From c26db46d1e782c2bb21450c8470eb674293136b7 Mon Sep 17 00:00:00 2001 From: Laurent Aimar Date: Thu, 28 Apr 2011 23:12:32 +0200 Subject: [PATCH] No functionnal changes (vout). K&R and removed variables prefixe. --- include/vlc_spu.h | 2 +- src/video_output/interlacing.c | 515 +++--- src/video_output/postprocessing.c | 274 ++- src/video_output/video_epg.c | 633 ++++--- src/video_output/vout_subpictures.c | 3274 +++++++++++++++++------------------ 5 files changed, 2279 insertions(+), 2419 deletions(-) rewrite src/video_output/interlacing.c (66%) rewrite src/video_output/postprocessing.c (63%) rewrite src/video_output/video_epg.c (72%) rewrite src/video_output/vout_subpictures.c (74%) diff --git a/include/vlc_spu.h b/include/vlc_spu.h index d40327e514..0773716a67 100644 --- a/include/vlc_spu.h +++ b/include/vlc_spu.h @@ -80,7 +80,7 @@ VLC_EXPORT( void, spu_PutSubpicture, ( spu_t *, subpicture_t * ) ); * * The returned value if non NULL must be released by subpicture_Delete(). */ -VLC_EXPORT( subpicture_t *, spu_Render, ( spu_t *, const vlc_fourcc_t *p_chroma_list, const video_format_t *p_fmt_dst, const video_format_t *p_fmt_src, mtime_t render_subtitle_date, mtime_t render_osd_date, bool b_subtitle_only ) ); +VLC_EXPORT( subpicture_t *, spu_Render, ( spu_t *, const vlc_fourcc_t *p_chroma_list, const video_format_t *p_fmt_dst, const video_format_t *p_fmt_src, mtime_t render_subtitle_date, mtime_t render_osd_date, bool ignore_osd ) ); /** * It registers a new SPU channel. diff --git a/src/video_output/interlacing.c b/src/video_output/interlacing.c dissimilarity index 66% index d5dc241595..a5dec239fc 100644 --- a/src/video_output/interlacing.c +++ b/src/video_output/interlacing.c @@ -1,266 +1,249 @@ -/***************************************************************************** - * interlacing.c - ***************************************************************************** - * Copyright (C) 2010 Laurent Aimar - * $Id$ - * - * Authors: Laurent Aimar - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. - *****************************************************************************/ - -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif -#include - -#include -#include - -#include "interlacing.h" - -/***************************************************************************** - * Deinterlacing - *****************************************************************************/ -/* XXX - * You can use the non vout filter if and only if the video properties stay the - * same (width/height/chroma/fps), at least for now. - */ -static const char *deinterlace_modes[] = { - "" - "discard", - "blend", - "mean", - "bob", - "linear", - "x", - "yadif", - "yadif2x", - "phosphor", - "ivtc", - NULL -}; -static bool DeinterlaceIsModeValid(const char *mode) -{ - for (unsigned i = 0; deinterlace_modes[i]; i++) { - if( !strcmp(deinterlace_modes[i], mode)) - return true; - } - return false; -} - -static char *FilterFind( char *psz_filter_base, const char *psz_module ) -{ - const size_t i_module = strlen( psz_module ); - const char *psz_filter = psz_filter_base; - - if( !psz_filter || i_module <= 0 ) - return NULL; - - for( ;; ) - { - char *psz_find = strstr( psz_filter, psz_module ); - if( !psz_find ) - return NULL; - if( psz_find[i_module] == '\0' || psz_find[i_module] == ':' ) - return psz_find; - psz_filter = &psz_find[i_module]; - } -} - -static bool DeinterlaceIsPresent( vout_thread_t *p_vout ) -{ - char *psz_filter = var_GetNonEmptyString( p_vout, "video-filter" ); - - bool b_found = FilterFind( psz_filter, "deinterlace" ) != NULL; - - free( psz_filter ); - - return b_found; -} - -static void DeinterlaceRemove( vout_thread_t *p_vout ) -{ - char *psz_filter = var_GetNonEmptyString( p_vout, "video-filter" ); - - char *psz = FilterFind( psz_filter, "deinterlace" ); - if( !psz ) - { - free( psz_filter ); - return; - } - - /* */ - strcpy( &psz[0], &psz[strlen("deinterlace")] ); - if( *psz == ':' ) - strcpy( &psz[0], &psz[1] ); - - var_SetString( p_vout, "video-filter", psz_filter ); - free( psz_filter ); -} -static void DeinterlaceAdd( vout_thread_t *p_vout ) -{ - char *psz_filter = var_GetNonEmptyString( p_vout, "video-filter" ); - - if( FilterFind( psz_filter, "deinterlace" ) ) - { - free( psz_filter ); - return; - } - - /* */ - if( psz_filter ) - { - char *psz_tmp = psz_filter; - if( asprintf( &psz_filter, "%s:%s", psz_tmp, "deinterlace" ) < 0 ) - psz_filter = psz_tmp; - else - free( psz_tmp ); - } - else - { - psz_filter = strdup( "deinterlace" ); - } - - if( psz_filter ) - { - var_SetString( p_vout, "video-filter", psz_filter ); - free( psz_filter ); - } -} - -static int DeinterlaceCallback( vlc_object_t *p_this, char const *psz_cmd, - vlc_value_t oldval, vlc_value_t newval, void *p_data ) -{ - VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(newval); VLC_UNUSED(p_data); - vout_thread_t *p_vout = (vout_thread_t *)p_this; - - /* */ - const int i_deinterlace = var_GetInteger( p_this, "deinterlace" ); - char *psz_mode = var_GetString( p_this, "deinterlace-mode" ); - const bool is_needed = var_GetBool( p_this, "deinterlace-needed" ); - if( !psz_mode || !DeinterlaceIsModeValid(psz_mode) ) - return VLC_EGENERIC; - - /* */ - char *psz_old = var_CreateGetString( p_vout, "sout-deinterlace-mode" ); - var_SetString( p_vout, "sout-deinterlace-mode", psz_mode ); - - msg_Dbg( p_vout, "deinterlace %d, mode %s, is_needed %d", i_deinterlace, psz_mode, is_needed ); - if( i_deinterlace == 0 || ( i_deinterlace == -1 && !is_needed ) ) - { - DeinterlaceRemove( p_vout ); - } - else if( !DeinterlaceIsPresent( p_vout ) ) - { - DeinterlaceAdd( p_vout ); - } - else if( psz_old && strcmp( psz_old, psz_mode ) ) - { - var_TriggerCallback( p_vout, "video-filter" ); - } - - /* */ - free( psz_old ); - free( psz_mode ); - return VLC_SUCCESS; -} - -void vout_InitInterlacingSupport( vout_thread_t *p_vout, bool is_interlaced ) -{ - vlc_value_t val, text; - - msg_Dbg( p_vout, "Deinterlacing available" ); - - /* Create the configuration variables */ - /* */ - var_Create( p_vout, "deinterlace", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT | VLC_VAR_HASCHOICE ); - int i_deinterlace = var_GetInteger( p_vout, "deinterlace" ); - i_deinterlace = __MAX( __MIN( i_deinterlace, 1 ), -1 ); - - text.psz_string = _("Deinterlace"); - var_Change( p_vout, "deinterlace", VLC_VAR_SETTEXT, &text, NULL ); - - const module_config_t *p_optd = config_FindConfig( VLC_OBJECT(p_vout), "deinterlace" ); - var_Change( p_vout, "deinterlace", VLC_VAR_CLEARCHOICES, NULL, NULL ); - for( int i = 0; p_optd && i < p_optd->i_list; i++ ) - { - val.i_int = p_optd->pi_list[i]; - text.psz_string = (char*)vlc_gettext(p_optd->ppsz_list_text[i]); - var_Change( p_vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text ); - } - var_AddCallback( p_vout, "deinterlace", DeinterlaceCallback, NULL ); - /* */ - var_Create( p_vout, "deinterlace-mode", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_HASCHOICE ); - char *psz_deinterlace = var_GetNonEmptyString( p_vout, "deinterlace-mode" ); - - text.psz_string = _("Deinterlace mode"); - var_Change( p_vout, "deinterlace-mode", VLC_VAR_SETTEXT, &text, NULL ); - - const module_config_t *p_optm = config_FindConfig( VLC_OBJECT(p_vout), "deinterlace-mode" ); - var_Change( p_vout, "deinterlace-mode", VLC_VAR_CLEARCHOICES, NULL, NULL ); - for( int i = 0; p_optm && i < p_optm->i_list; i++ ) - { - if( !DeinterlaceIsModeValid( p_optm->ppsz_list[i] ) ) - continue; - - val.psz_string = p_optm->ppsz_list[i]; - text.psz_string = (char*)vlc_gettext(p_optm->ppsz_list_text[i]); - var_Change( p_vout, "deinterlace-mode", VLC_VAR_ADDCHOICE, &val, &text ); - } - var_AddCallback( p_vout, "deinterlace-mode", DeinterlaceCallback, NULL ); - /* */ - var_Create( p_vout, "deinterlace-needed", VLC_VAR_BOOL ); - var_AddCallback( p_vout, "deinterlace-needed", DeinterlaceCallback, NULL ); - - /* Override the initial value from filters if present */ - char *psz_filter_mode = NULL; - if( DeinterlaceIsPresent( p_vout ) ) - psz_filter_mode = var_CreateGetNonEmptyString( p_vout, "sout-deinterlace-mode" ); - if( psz_filter_mode ) - { - i_deinterlace = 1; - free( psz_deinterlace ); - psz_deinterlace = psz_filter_mode; - } - - /* */ - val.psz_string = psz_deinterlace ? psz_deinterlace : p_optm->orig.psz; - var_Change( p_vout, "deinterlace-mode", VLC_VAR_SETVALUE, &val, NULL ); - val.b_bool = is_interlaced; - var_Change( p_vout, "deinterlace-needed", VLC_VAR_SETVALUE, &val, NULL ); - - var_SetInteger( p_vout, "deinterlace", i_deinterlace ); - free( psz_deinterlace ); -} - -void vout_SetInterlacingState( vout_thread_t *p_vout, vout_interlacing_support_t *state, bool is_interlaced ) -{ - /* Wait 30s before quiting interlacing mode */ - const int interlacing_change = (!!is_interlaced) - (!!state->is_interlaced); - if ((interlacing_change == 1) || - (interlacing_change == -1 && state->date + 30000000 < mdate())) { - - msg_Dbg( p_vout, "Detected %s video", - is_interlaced ? "interlaced" : "progressive" ); - var_SetBool( p_vout, "deinterlace-needed", is_interlaced ); - - state->is_interlaced = is_interlaced; - } - if (is_interlaced) - state->date = mdate(); -} - - +/***************************************************************************** + * interlacing.c + ***************************************************************************** + * Copyright (C) 2010 Laurent Aimar + * $Id$ + * + * Authors: Laurent Aimar + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. + *****************************************************************************/ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif +#include + +#include +#include + +#include "interlacing.h" + +/***************************************************************************** + * Deinterlacing + *****************************************************************************/ +/* XXX + * You can use the non vout filter if and only if the video properties stay the + * same (width/height/chroma/fps), at least for now. + */ +static const char *deinterlace_modes[] = { + "" + "discard", + "blend", + "mean", + "bob", + "linear", + "x", + "yadif", + "yadif2x", + "phosphor", + "ivtc", + NULL +}; +static bool DeinterlaceIsModeValid(const char *mode) +{ + for (unsigned i = 0; deinterlace_modes[i]; i++) { + if (!strcmp(deinterlace_modes[i], mode)) + return true; + } + return false; +} + +static char *FilterFind(char *filter_base, const char *module_name) +{ + const size_t module_length = strlen(module_name); + const char *filter = filter_base; + + if (!filter || module_length <= 0) + return NULL; + + for (;;) { + char *start = strstr(filter, module_name); + if (!start) + return NULL; + if (start[module_length] == '\0' || start[module_length] == ':') + return start; + filter = &start[module_length]; + } +} + +static bool DeinterlaceIsPresent(vout_thread_t *vout) +{ + char *filter = var_GetNonEmptyString(vout, "video-filter"); + + bool is_found = FilterFind(filter, "deinterlace") != NULL; + + free(filter); + + return is_found; +} + +static void DeinterlaceRemove(vout_thread_t *vout) +{ + char *filter = var_GetNonEmptyString(vout, "video-filter"); + + char *start = FilterFind(filter, "deinterlace"); + if (!start) { + free(filter); + return; + } + + /* */ + strcpy(&start[0], &start[strlen("deinterlace")]); + if (*start == ':') + strcpy(&start[0], &start[1]); + + var_SetString(vout, "video-filter", filter); + free(filter); +} +static void DeinterlaceAdd(vout_thread_t *vout) +{ + char *filter = var_GetNonEmptyString(vout, "video-filter"); + + if (FilterFind(filter, "deinterlace")) { + free(filter); + return; + } + + /* */ + if (filter) { + char *tmp = filter; + if (asprintf(&filter, "%s:%s", tmp, "deinterlace") < 0) + filter = tmp; + else + free(tmp); + } else { + filter = strdup("deinterlace"); + } + + if (filter) { + var_SetString(vout, "video-filter", filter); + free(filter); + } +} + +static int DeinterlaceCallback(vlc_object_t *object, char const *cmd, + vlc_value_t oldval, vlc_value_t newval, void *data) +{ + VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(newval); VLC_UNUSED(data); + vout_thread_t *vout = (vout_thread_t *)object; + + /* */ + const int deinterlace_state = var_GetInteger(vout, "deinterlace"); + char *mode = var_GetString(vout, "deinterlace-mode"); + const bool is_needed = var_GetBool(vout, "deinterlace-needed"); + if (!mode || !DeinterlaceIsModeValid(mode)) + return VLC_EGENERIC; + + /* */ + char *old = var_CreateGetString(vout, "sout-deinterlace-mode"); + var_SetString(vout, "sout-deinterlace-mode", mode); + + msg_Dbg(vout, "deinterlace %d, mode %s, is_needed %d", deinterlace_state, mode, is_needed); + if (deinterlace_state == 0 || (deinterlace_state == -1 && !is_needed)) + DeinterlaceRemove(vout); + else if (!DeinterlaceIsPresent(vout)) + DeinterlaceAdd(vout); + else if (old && strcmp(old, mode)) + var_TriggerCallback(vout, "video-filter"); + + /* */ + free(old); + free(mode); + return VLC_SUCCESS; +} + +void vout_InitInterlacingSupport(vout_thread_t *vout, bool is_interlaced) +{ + vlc_value_t val, text; + + msg_Dbg(vout, "Deinterlacing available"); + + /* Create the configuration variables */ + /* */ + var_Create(vout, "deinterlace", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT | VLC_VAR_HASCHOICE); + int deinterlace_state = var_GetInteger(vout, "deinterlace"); + deinterlace_state = __MAX(__MIN(deinterlace_state, 1), -1); + + text.psz_string = _("Deinterlace"); + var_Change(vout, "deinterlace", VLC_VAR_SETTEXT, &text, NULL); + + const module_config_t *optd = config_FindConfig(VLC_OBJECT(vout), "deinterlace"); + var_Change(vout, "deinterlace", VLC_VAR_CLEARCHOICES, NULL, NULL); + for (int i = 0; optd && i < optd->i_list; i++) { + val.i_int = optd->pi_list[i]; + text.psz_string = (char*)vlc_gettext(optd->ppsz_list_text[i]); + var_Change(vout, "deinterlace", VLC_VAR_ADDCHOICE, &val, &text); + } + var_AddCallback(vout, "deinterlace", DeinterlaceCallback, NULL); + /* */ + var_Create(vout, "deinterlace-mode", VLC_VAR_STRING | VLC_VAR_DOINHERIT | VLC_VAR_HASCHOICE); + char *deinterlace_mode = var_GetNonEmptyString(vout, "deinterlace-mode"); + + text.psz_string = _("Deinterlace mode"); + var_Change(vout, "deinterlace-mode", VLC_VAR_SETTEXT, &text, NULL); + + const module_config_t *optm = config_FindConfig(VLC_OBJECT(vout), "deinterlace-mode"); + var_Change(vout, "deinterlace-mode", VLC_VAR_CLEARCHOICES, NULL, NULL); + for (int i = 0; optm && i < optm->i_list; i++) { + if (!DeinterlaceIsModeValid(optm->ppsz_list[i])) + continue; + + val.psz_string = optm->ppsz_list[i]; + text.psz_string = (char*)vlc_gettext(optm->ppsz_list_text[i]); + var_Change(vout, "deinterlace-mode", VLC_VAR_ADDCHOICE, &val, &text); + } + var_AddCallback(vout, "deinterlace-mode", DeinterlaceCallback, NULL); + /* */ + var_Create(vout, "deinterlace-needed", VLC_VAR_BOOL); + var_AddCallback(vout, "deinterlace-needed", DeinterlaceCallback, NULL); + + /* Override the initial value from filters if present */ + char *filter_mode = NULL; + if (DeinterlaceIsPresent(vout)) + filter_mode = var_CreateGetNonEmptyString(vout, "sout-deinterlace-mode"); + if (filter_mode) { + deinterlace_state = 1; + free(deinterlace_mode); + deinterlace_mode = filter_mode; + } + + /* */ + val.psz_string = deinterlace_mode ? deinterlace_mode : optm->orig.psz; + var_Change(vout, "deinterlace-mode", VLC_VAR_SETVALUE, &val, NULL); + val.b_bool = is_interlaced; + var_Change(vout, "deinterlace-needed", VLC_VAR_SETVALUE, &val, NULL); + + var_SetInteger(vout, "deinterlace", deinterlace_state); + free(deinterlace_mode); +} + +void vout_SetInterlacingState(vout_thread_t *vout, vout_interlacing_support_t *state, bool is_interlaced) +{ + /* Wait 30s before quiting interlacing mode */ + const int interlacing_change = (!!is_interlaced) - (!!state->is_interlaced); + if ((interlacing_change == 1) || + (interlacing_change == -1 && state->date + 30000000 < mdate())) { + msg_Dbg(vout, "Detected %s video", + is_interlaced ? "interlaced" : "progressive"); + var_SetBool(vout, "deinterlace-needed", is_interlaced); + + state->is_interlaced = is_interlaced; + } + if (is_interlaced) + state->date = mdate(); +} + + diff --git a/src/video_output/postprocessing.c b/src/video_output/postprocessing.c dissimilarity index 63% index 6b86efd2f2..6c3e98b3dc 100644 --- a/src/video_output/postprocessing.c +++ b/src/video_output/postprocessing.c @@ -1,143 +1,131 @@ -/***************************************************************************** - * postprocessing.c - ***************************************************************************** - * Copyright (C) 2010 Laurent Aimar - * $Id$ - * - * Authors: Laurent Aimar - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. - *****************************************************************************/ - -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif -#include - -#include -#include - -#include "postprocessing.h" - -static bool PostProcessIsPresent( const char *psz_filter ) -{ - const char *psz_pp = "postproc"; - const size_t i_pp = strlen(psz_pp); - return psz_filter && - !strncmp( psz_filter, psz_pp, strlen(psz_pp) ) && - ( psz_filter[i_pp] == '\0' || psz_filter[i_pp] == ':' ); -} - -static int PostProcessCallback( vlc_object_t *p_this, char const *psz_cmd, - vlc_value_t oldval, vlc_value_t newval, void *p_data ) -{ - vout_thread_t *p_vout = (vout_thread_t *)p_this; - VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_data); - - static const char *psz_pp = "postproc"; - - char *psz_vf2 = var_GetString( p_vout, "video-filter" ); - - if( newval.i_int <= 0 ) - { - if( PostProcessIsPresent( psz_vf2 ) ) - { - strcpy( psz_vf2, &psz_vf2[strlen(psz_pp)] ); - if( *psz_vf2 == ':' ) - strcpy( psz_vf2, &psz_vf2[1] ); - } - } - else - { - if( !PostProcessIsPresent( psz_vf2 ) ) - { - if( psz_vf2 ) - { - char *psz_tmp = psz_vf2; - if( asprintf( &psz_vf2, "%s:%s", psz_pp, psz_tmp ) < 0 ) - psz_vf2 = psz_tmp; - else - free( psz_tmp ); - } - else - { - psz_vf2 = strdup( psz_pp ); - } - } - } - if( newval.i_int > 0 ) - var_SetInteger( p_vout, "postproc-q", newval.i_int ); - if( psz_vf2 ) - { - var_SetString( p_vout, "video-filter", psz_vf2 ); - free( psz_vf2 ); - } - else if( newval.i_int > 0 ) - { - var_TriggerCallback( p_vout, "video-filter" ); - } - return VLC_SUCCESS; -} -static void PostProcessEnable( vout_thread_t *p_vout ) -{ - vlc_value_t text; - msg_Dbg( p_vout, "Post-processing available" ); - var_Create( p_vout, "postprocess", VLC_VAR_INTEGER | VLC_VAR_HASCHOICE ); - text.psz_string = _("Post processing"); - var_Change( p_vout, "postprocess", VLC_VAR_SETTEXT, &text, NULL ); - - for( int i = 0; i <= 6; i++ ) - { - vlc_value_t val; - vlc_value_t text; - char psz_text[1+1]; - - val.i_int = i; - snprintf( psz_text, sizeof(psz_text), "%d", i ); - if( i == 0 ) - text.psz_string = _("Disable"); - else - text.psz_string = psz_text; - var_Change( p_vout, "postprocess", VLC_VAR_ADDCHOICE, &val, &text ); - } - var_AddCallback( p_vout, "postprocess", PostProcessCallback, NULL ); - - /* */ - char *psz_filter = var_GetNonEmptyString( p_vout, "video-filter" ); - int i_postproc_q = 0; - if( PostProcessIsPresent( psz_filter ) ) - i_postproc_q = var_CreateGetInteger( p_vout, "postproc-q" ); - - var_SetInteger( p_vout, "postprocess", i_postproc_q ); - - free( psz_filter ); -} -static void PostProcessDisable( vout_thread_t *p_vout ) -{ - msg_Dbg( p_vout, "Post-processing no more available" ); - var_Destroy( p_vout, "postprocess" ); -} - -void vout_SetPostProcessingState(vout_thread_t *vout, vout_postprocessing_support_t *state, int qtype) -{ - const int postproc_change = (qtype != QTYPE_NONE) - (state->qtype != QTYPE_NONE); - if (postproc_change == 1) - PostProcessEnable(vout); - else if (postproc_change == -1) - PostProcessDisable(vout); - if (postproc_change) - state->qtype = qtype; -} - +/***************************************************************************** + * postprocessing.c + ***************************************************************************** + * Copyright (C) 2010 Laurent Aimar + * $Id$ + * + * Authors: Laurent Aimar + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. + *****************************************************************************/ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif +#include + +#include +#include + +#include "postprocessing.h" + +static bool PostProcessIsPresent(const char *filter) +{ + const char *pp = "postproc"; + const size_t pp_length = strlen(pp); + return filter && + !strncmp(filter, pp, strlen(pp)) && + (filter[pp_length] == '\0' || filter[pp_length] == ':'); +} + +static int PostProcessCallback(vlc_object_t *object, char const *cmd, + vlc_value_t oldval, vlc_value_t newval, void *data) +{ + vout_thread_t *vout = (vout_thread_t *)object; + VLC_UNUSED(cmd); VLC_UNUSED(oldval); VLC_UNUSED(data); + + static const char *pp = "postproc"; + + char *filters = var_GetString(vout, "video-filter"); + + if (newval.i_int <= 0) { + if (PostProcessIsPresent(filters)) { + strcpy(filters, &filters[strlen(pp)]); + if (*filters == ':') + strcpy(filters, &filters[1]); + } + } else { + if (!PostProcessIsPresent(filters)) { + if (filters) { + char *tmp = filters; + if (asprintf(&filters, "%s:%s", pp, tmp) < 0) + filters = tmp; + else + free(tmp); + } else { + filters = strdup(pp); + } + } + } + if (newval.i_int > 0) + var_SetInteger(vout, "postproc-q", newval.i_int); + if (filters) { + var_SetString(vout, "video-filter", filters); + free(filters); + } else if (newval.i_int > 0) { + var_TriggerCallback(vout, "video-filter"); + } + return VLC_SUCCESS; +} +static void PostProcessEnable(vout_thread_t *vout) +{ + vlc_value_t text; + msg_Dbg(vout, "Post-processing available"); + var_Create(vout, "postprocess", VLC_VAR_INTEGER | VLC_VAR_HASCHOICE); + text.psz_string = _("Post processing"); + var_Change(vout, "postprocess", VLC_VAR_SETTEXT, &text, NULL); + + for (int i = 0; i <= 6; i++) { + vlc_value_t val; + vlc_value_t text; + char tmp[1+1]; + + val.i_int = i; + snprintf(tmp, sizeof(tmp), "%d", i); + if (i == 0) + text.psz_string = _("Disable"); + else + text.psz_string = tmp; + var_Change(vout, "postprocess", VLC_VAR_ADDCHOICE, &val, &text); + } + var_AddCallback(vout, "postprocess", PostProcessCallback, NULL); + + /* */ + char *filters = var_GetNonEmptyString(vout, "video-filter"); + int postproc_q = 0; + if (PostProcessIsPresent(filters)) + postproc_q = var_CreateGetInteger(vout, "postproc-q"); + + var_SetInteger(vout, "postprocess", postproc_q); + + free(filters); +} +static void PostProcessDisable(vout_thread_t *vout) +{ + msg_Dbg(vout, "Post-processing no more available"); + var_Destroy(vout, "postprocess"); +} + +void vout_SetPostProcessingState(vout_thread_t *vout, vout_postprocessing_support_t *state, int qtype) +{ + const int postproc_change = (qtype != QTYPE_NONE) - (state->qtype != QTYPE_NONE); + if (postproc_change == 1) + PostProcessEnable(vout); + else if (postproc_change == -1) + PostProcessDisable(vout); + if (postproc_change) + state->qtype = qtype; +} + diff --git a/src/video_output/video_epg.c b/src/video_output/video_epg.c dissimilarity index 72% index 48d31d76c8..e82edfd9f0 100644 --- a/src/video_output/video_epg.c +++ b/src/video_output/video_epg.c @@ -1,321 +1,312 @@ -/***************************************************************************** - * video_epg.c : EPG manipulation functions - ***************************************************************************** - * Copyright (C) 2010 Adrien Maglo - * - * Author: Adrien Maglo - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. - *****************************************************************************/ - -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - -#include -#include -#include -#include -#include -#include - -/* Layout percentage defines */ -#define EPG_TOP 0.7 -#define EPG_LEFT 0.1 -#define EPG_NAME_SIZE 0.05 -#define EPG_PROGRAM_SIZE 0.03 - -static subpicture_region_t * vout_OSDEpgSlider( int i_x, int i_y, - int i_width, int i_height, - float f_ratio ) -{ - video_format_t fmt; - subpicture_region_t *p_region; - - /* Create a new subpicture region */ - video_format_Init( &fmt, VLC_CODEC_YUVA ); - fmt.i_width = fmt.i_visible_width = i_width; - fmt.i_height = fmt.i_visible_height = i_height; - fmt.i_sar_num = 0; - fmt.i_sar_den = 1; - - p_region = subpicture_region_New( &fmt ); - if( !p_region ) - return NULL; - - p_region->i_x = i_x; - p_region->i_y = i_y; - - picture_t *p_picture = p_region->p_picture; - - f_ratio = __MIN( __MAX( f_ratio, 0 ), 1 ); - int i_filled_part_width = f_ratio * i_width; - - for( int j = 0; j < i_height; j++ ) - { - for( int i = 0; i < i_width; i++ ) - { - #define WRITE_COMP( plane, value ) \ - p_picture->p[plane].p_pixels[p_picture->p[plane].i_pitch * j + i] = value - - /* Draw the slider. */ - bool is_outline = j == 0 || j == i_height - 1 - || i == 0 || i == i_width - 1; - WRITE_COMP( 0, is_outline ? 0x00 : 0xff ); - WRITE_COMP( 1, 0x80 ); - WRITE_COMP( 2, 0x80 ); - - /* We can see the video through the part of the slider - which corresponds to the leaving time. */ - bool is_border = j < 3 || j > i_height - 4 - || i < 3 || i > i_width - 4 - || i < i_filled_part_width; - WRITE_COMP( 3, is_border ? 0xff : 0x00 ); - - #undef WRITE_COMP - } - } - - return p_region; -} - - -static subpicture_region_t * vout_OSDEpgText( const char *psz_string, - int i_x, int i_y, - int i_size, uint32_t i_color ) -{ - video_format_t fmt; - subpicture_region_t *p_region; - - if( !psz_string ) - return NULL; - - /* Create a new subpicture region */ - video_format_Init( &fmt, VLC_CODEC_TEXT ); - fmt.i_sar_num = 0; - fmt.i_sar_den = 1; - - p_region = subpicture_region_New( &fmt ); - if( !p_region ) - return NULL; - - /* Set subpicture parameters */ - p_region->psz_text = strdup( psz_string ); - p_region->i_align = 0; - p_region->i_x = i_x; - p_region->i_y = i_y; - - /* Set text style */ - p_region->p_style = text_style_New(); - if( p_region->p_style ) - { - p_region->p_style->i_font_size = i_size; - p_region->p_style->i_font_color = i_color; - p_region->p_style->i_font_alpha = 0; - } - - return p_region; -} - - -static subpicture_region_t * vout_BuildOSDEpg( vlc_epg_t *p_epg, - int i_x, int i_y, - int i_visible_width, - int i_visible_height ) -{ - subpicture_region_t *p_region_ret; - subpicture_region_t **pp_region = &p_region_ret; - - time_t i_test = time( NULL ); - - /* Display the name of the channel. */ - *pp_region = vout_OSDEpgText( p_epg->psz_name, - i_x + i_visible_width * EPG_LEFT, - i_y + i_visible_height * EPG_TOP, - i_visible_height * EPG_NAME_SIZE, - 0x00ffffff ); - - if( !*pp_region ) - return p_region_ret; - - /* Display the name of the current program. */ - pp_region = &(* pp_region)->p_next; - *pp_region = vout_OSDEpgText( p_epg->p_current->psz_name, - i_x + i_visible_width * ( EPG_LEFT + 0.025 ), - i_y + i_visible_height * ( EPG_TOP + 0.05 ), - i_visible_height * EPG_PROGRAM_SIZE, - 0x00ffffff ); - - if( !*pp_region ) - return p_region_ret; - - /* Display the current program time slider. */ - pp_region = &(* pp_region)->p_next; - *pp_region = vout_OSDEpgSlider( i_x + i_visible_width * EPG_LEFT, - i_y + i_visible_height * ( EPG_TOP + 0.1 ), - i_visible_width * ( 1 - 2 * EPG_LEFT ), - i_visible_height * 0.05, - ( i_test - p_epg->p_current->i_start ) - / (float)p_epg->p_current->i_duration ); - - if( !*pp_region ) - return p_region_ret; - - /* Format the hours of the beginning and the end of the current program. */ - struct tm tm_start, tm_end; - time_t t_start = p_epg->p_current->i_start; - time_t t_end = p_epg->p_current->i_start + p_epg->p_current->i_duration; - localtime_r( &t_start, &tm_start ); - localtime_r( &t_end, &tm_end ); - char psz_start[128]; - char psz_end[128]; - snprintf( psz_start, sizeof(psz_start), "%2.2d:%2.2d", - tm_start.tm_hour, tm_start.tm_min ); - snprintf( psz_end, sizeof(psz_end), "%2.2d:%2.2d", - tm_end.tm_hour, tm_end.tm_min ); - - /* Display those hours. */ - pp_region = &(* pp_region)->p_next; - *pp_region = vout_OSDEpgText( psz_start, - i_x + i_visible_width * ( EPG_LEFT + 0.02 ), - i_y + i_visible_height * ( EPG_TOP + 0.15 ), - i_visible_height * EPG_PROGRAM_SIZE, - 0x00ffffff ); - - if( !*pp_region ) - return p_region_ret; - - pp_region = &(* pp_region)->p_next; - *pp_region = vout_OSDEpgText( psz_end, - i_x + i_visible_width * ( 1 - EPG_LEFT - 0.085 ), - i_y + i_visible_height * ( EPG_TOP + 0.15 ), - i_visible_height * EPG_PROGRAM_SIZE, - 0x00ffffff ); - - return p_region_ret; -} - -struct subpicture_updater_sys_t -{ - vlc_epg_t *p_epg; -}; - -static int OSDEpgValidate( subpicture_t *p_subpic, - bool has_src_changed, const video_format_t *p_fmt_src, - bool has_dst_changed, const video_format_t *p_fmt_dst, - mtime_t i_ts ) -{ - VLC_UNUSED(p_subpic); VLC_UNUSED(i_ts); VLC_UNUSED(p_fmt_src); - VLC_UNUSED(has_dst_changed); VLC_UNUSED(p_fmt_dst); - - if( !has_src_changed && !has_dst_changed) - return VLC_SUCCESS; - return VLC_EGENERIC; -} - -static void OSDEpgUpdate( subpicture_t *p_subpic, - const video_format_t *p_fmt_src, - const video_format_t *p_fmt_dst, - mtime_t i_ts ) -{ - subpicture_updater_sys_t *p_sys = p_subpic->updater.p_sys; - VLC_UNUSED(p_fmt_dst); VLC_UNUSED(i_ts); - - p_subpic->i_original_picture_width = p_fmt_src->i_width; - p_subpic->i_original_picture_height = p_fmt_src->i_height; - p_subpic->p_region = vout_BuildOSDEpg( p_sys->p_epg, - p_fmt_src->i_x_offset, - p_fmt_src->i_y_offset, - p_fmt_src->i_visible_width, - p_fmt_src->i_visible_height ); -} - -static void OSDEpgDestroy( subpicture_t *p_subpic ) -{ - subpicture_updater_sys_t *p_sys = p_subpic->updater.p_sys; - - vlc_epg_Delete( p_sys->p_epg ); - free( p_sys ); -} - -/** - * \brief Show EPG information about the current program of an input item - * \param p_vout pointer to the vout the information is to be showed on - * \param p_input pointer to the input item the information is to be showed - */ -int vout_OSDEpg( vout_thread_t *p_vout, input_item_t *p_input ) -{ - subpicture_t *p_spu; - mtime_t i_now = mdate(); - - char *psz_now_playing = input_item_GetNowPlaying( p_input ); - vlc_epg_t *p_epg = NULL; - - vlc_mutex_lock( &p_input->lock ); - - /* Look for the current program EPG event */ - for( int i = 0; i < p_input->i_epg; i++ ) - { - vlc_epg_t *p_tmp = p_input->pp_epg[i]; - - if( p_tmp->p_current && p_tmp->p_current->psz_name - && psz_now_playing != NULL - && !strcmp( p_tmp->p_current->psz_name, psz_now_playing ) ) - { - p_epg = vlc_epg_New( p_tmp->psz_name ); - vlc_epg_Merge( p_epg, p_tmp ); - break; - } - } - - vlc_mutex_unlock( &p_input->lock ); - - /* If no EPG event has been found. */ - if( p_epg == NULL ) - return VLC_EGENERIC; - - subpicture_updater_sys_t *p_sys = malloc( sizeof( *p_sys ) ); - if( !p_sys ) - { - vlc_epg_Delete( p_epg ); - return VLC_EGENERIC; - } - p_sys->p_epg = p_epg; - subpicture_updater_t updater = { - .pf_validate = OSDEpgValidate, - .pf_update = OSDEpgUpdate, - .pf_destroy = OSDEpgDestroy, - .p_sys = p_sys - }; - - p_spu = subpicture_New( &updater ); - if( !p_spu ) - { - vlc_epg_Delete( p_sys->p_epg ); - free( p_sys ); - return VLC_EGENERIC; - } - - p_spu->i_channel = SPU_DEFAULT_CHANNEL; - p_spu->i_start = i_now; - p_spu->i_stop = i_now + 3000 * INT64_C(1000); - p_spu->b_ephemer = true; - p_spu->b_absolute = true; - p_spu->b_fade = true; - - vout_PutSubpicture( p_vout, p_spu ); - - return VLC_SUCCESS; -} +/***************************************************************************** + * video_epg.c : EPG manipulation functions + ***************************************************************************** + * Copyright (C) 2010 Adrien Maglo + * + * Author: Adrien Maglo + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. + *****************************************************************************/ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include +#include +#include +#include +#include +#include + +/* Layout percentage defines */ +#define EPG_TOP 0.7 +#define EPG_LEFT 0.1 +#define EPG_NAME_SIZE 0.05 +#define EPG_PROGRAM_SIZE 0.03 + +static subpicture_region_t * vout_OSDEpgSlider(int x, int y, + int width, int height, + float ratio) +{ + video_format_t fmt; + subpicture_region_t *region; + + /* Create a new subpicture region */ + video_format_Init(&fmt, VLC_CODEC_YUVA); + fmt.i_width = fmt.i_visible_width = width; + fmt.i_height = fmt.i_visible_height = height; + fmt.i_sar_num = 0; + fmt.i_sar_den = 1; + + region = subpicture_region_New(&fmt); + if (!region) + return NULL; + + region->i_x = x; + region->i_y = y; + + picture_t *picture = region->p_picture; + + ratio = __MIN(__MAX(ratio, 0), 1); + int filled_part_width = ratio * width; + + for (int j = 0; j < height; j++) { + for (int i = 0; i < width; i++) { + #define WRITE_COMP(plane, value) \ + picture->p[plane].p_pixels[picture->p[plane].i_pitch * j + i] = value + + /* Draw the slider. */ + bool is_outline = j == 0 || j == height - 1 || + i == 0 || i == width - 1; + WRITE_COMP(0, is_outline ? 0x00 : 0xff); + WRITE_COMP(1, 0x80); + WRITE_COMP(2, 0x80); + + /* We can see the video through the part of the slider + which corresponds to the leaving time. */ + bool is_border = j < 3 || j > height - 4 || + i < 3 || i > width - 4 || + i < filled_part_width; + WRITE_COMP(3, is_border ? 0xff : 0x00); + + #undef WRITE_COMP + } + } + + return region; +} + + +static subpicture_region_t * vout_OSDEpgText(const char *text, + int x, int y, + int size, uint32_t color) +{ + video_format_t fmt; + subpicture_region_t *region; + + if (!text) + return NULL; + + /* Create a new subpicture region */ + video_format_Init(&fmt, VLC_CODEC_TEXT); + fmt.i_sar_num = 0; + fmt.i_sar_den = 1; + + region = subpicture_region_New(&fmt); + if (!region) + return NULL; + + /* Set subpicture parameters */ + region->psz_text = strdup(text); + region->i_align = 0; + region->i_x = x; + region->i_y = y; + + /* Set text style */ + region->p_style = text_style_New(); + if (region->p_style) { + region->p_style->i_font_size = size; + region->p_style->i_font_color = color; + region->p_style->i_font_alpha = 0; + } + + return region; +} + + +static subpicture_region_t * vout_BuildOSDEpg(vlc_epg_t *epg, + int x, int y, + int visible_width, + int visible_height) +{ + subpicture_region_t *head; + subpicture_region_t **last_ptr = &head; + + time_t current_time = time(NULL); + + /* Display the name of the channel. */ + *last_ptr = vout_OSDEpgText(epg->psz_name, + x + visible_width * EPG_LEFT, + y + visible_height * EPG_TOP, + visible_height * EPG_NAME_SIZE, + 0x00ffffff); + + if (!*last_ptr) + return head; + + /* Display the name of the current program. */ + last_ptr = &(*last_ptr)->p_next; + *last_ptr = vout_OSDEpgText(epg->p_current->psz_name, + x + visible_width * (EPG_LEFT + 0.025), + y + visible_height * (EPG_TOP + 0.05), + visible_height * EPG_PROGRAM_SIZE, + 0x00ffffff); + + if (!*last_ptr) + return head; + + /* Display the current program time slider. */ + last_ptr = &(*last_ptr)->p_next; + *last_ptr = vout_OSDEpgSlider(x + visible_width * EPG_LEFT, + y + visible_height * (EPG_TOP + 0.1), + visible_width * (1 - 2 * EPG_LEFT), + visible_height * 0.05, + (current_time - epg->p_current->i_start) + / (float)epg->p_current->i_duration); + + if (!*last_ptr) + return head; + + /* Format the hours of the beginning and the end of the current program. */ + struct tm tm_start, tm_end; + time_t t_start = epg->p_current->i_start; + time_t t_end = epg->p_current->i_start + epg->p_current->i_duration; + localtime_r(&t_start, &tm_start); + localtime_r(&t_end, &tm_end); + char text_start[128]; + char text_end[128]; + snprintf(text_start, sizeof(text_start), "%2.2d:%2.2d", + tm_start.tm_hour, tm_start.tm_min); + snprintf(text_end, sizeof(text_end), "%2.2d:%2.2d", + tm_end.tm_hour, tm_end.tm_min); + + /* Display those hours. */ + last_ptr = &(*last_ptr)->p_next; + *last_ptr = vout_OSDEpgText(text_start, + x + visible_width * (EPG_LEFT + 0.02), + y + visible_height * (EPG_TOP + 0.15), + visible_height * EPG_PROGRAM_SIZE, + 0x00ffffff); + + if (!*last_ptr) + return head; + + last_ptr = &(*last_ptr)->p_next; + *last_ptr = vout_OSDEpgText(text_end, + x + visible_width * (1 - EPG_LEFT - 0.085), + y + visible_height * (EPG_TOP + 0.15), + visible_height * EPG_PROGRAM_SIZE, + 0x00ffffff); + + return head; +} + +struct subpicture_updater_sys_t +{ + vlc_epg_t *epg; +}; + +static int OSDEpgValidate(subpicture_t *subpic, + bool has_src_changed, const video_format_t *fmt_src, + bool has_dst_changed, const video_format_t *fmt_dst, + mtime_t ts) +{ + VLC_UNUSED(subpic); VLC_UNUSED(ts); VLC_UNUSED(fmt_src); + VLC_UNUSED(has_dst_changed); VLC_UNUSED(fmt_dst); + + if (!has_src_changed && !has_dst_changed) + return VLC_SUCCESS; + return VLC_EGENERIC; +} + +static void OSDEpgUpdate(subpicture_t *subpic, + const video_format_t *fmt_src, + const video_format_t *fmt_dst, + mtime_t ts) +{ + subpicture_updater_sys_t *sys = subpic->updater.p_sys; + VLC_UNUSED(fmt_dst); VLC_UNUSED(ts); + + subpic->i_original_picture_width = fmt_src->i_width; + subpic->i_original_picture_height = fmt_src->i_height; + subpic->p_region = vout_BuildOSDEpg(sys->epg, + fmt_src->i_x_offset, + fmt_src->i_y_offset, + fmt_src->i_visible_width, + fmt_src->i_visible_height); +} + +static void OSDEpgDestroy(subpicture_t *subpic) +{ + subpicture_updater_sys_t *sys = subpic->updater.p_sys; + + vlc_epg_Delete(sys->epg); + free(sys); +} + +/** + * \brief Show EPG information about the current program of an input item + * \param vout pointer to the vout the information is to be showed on + * \param p_input pointer to the input item the information is to be showed + */ +int vout_OSDEpg(vout_thread_t *vout, input_item_t *input) +{ + char *now_playing = input_item_GetNowPlaying(input); + vlc_epg_t *epg = NULL; + + vlc_mutex_lock(&input->lock); + + /* Look for the current program EPG event */ + for (int i = 0; i < input->i_epg; i++) { + vlc_epg_t *tmp = input->pp_epg[i]; + + if (tmp->p_current && + tmp->p_current->psz_name && now_playing != NULL && + !strcmp(tmp->p_current->psz_name, now_playing)) { + epg = vlc_epg_New(tmp->psz_name); + vlc_epg_Merge(epg, tmp); + break; + } + } + + vlc_mutex_unlock(&input->lock); + + /* If no EPG event has been found. */ + if (epg == NULL) + return VLC_EGENERIC; + + subpicture_updater_sys_t *sys = malloc(sizeof(*sys)); + if (!sys) { + vlc_epg_Delete(epg); + return VLC_EGENERIC; + } + sys->epg = epg; + subpicture_updater_t updater = { + .pf_validate = OSDEpgValidate, + .pf_update = OSDEpgUpdate, + .pf_destroy = OSDEpgDestroy, + .p_sys = sys + }; + + const mtime_t now = mdate(); + subpicture_t *subpic = subpicture_New(&updater); + if (!subpic) { + vlc_epg_Delete(sys->epg); + free(sys); + return VLC_EGENERIC; + } + + subpic->i_channel = SPU_DEFAULT_CHANNEL; + subpic->i_start = now; + subpic->i_stop = now + 3000 * INT64_C(1000); + subpic->b_ephemer = true; + subpic->b_absolute = true; + subpic->b_fade = true; + + vout_PutSubpicture(vout, subpic); + + return VLC_SUCCESS; +} diff --git a/src/video_output/vout_subpictures.c b/src/video_output/vout_subpictures.c dissimilarity index 74% index ac7d849fc2..ec1e8fbadf 100644 --- a/src/video_output/vout_subpictures.c +++ b/src/video_output/vout_subpictures.c @@ -1,1688 +1,1586 @@ -/***************************************************************************** - * vout_subpictures.c : subpicture management functions - ***************************************************************************** - * Copyright (C) 2000-2007 the VideoLAN team - * $Id$ - * - * Authors: Vincent Seguin - * Samuel Hocevar - * Gildas Bazin - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. - *****************************************************************************/ - -/***************************************************************************** - * Preamble - *****************************************************************************/ -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - -#include -#include - -#include -#include -#include -#include -#include -#include - -#include "../libvlc.h" -#include "vout_internal.h" -#include "../misc/subpicture.h" - -/***************************************************************************** - * Local prototypes - *****************************************************************************/ - -/* Number of simultaneous subpictures */ -#define VOUT_MAX_SUBPICTURES (__MAX(VOUT_MAX_PICTURES, SPU_MAX_PREPARE_TIME/5000)) - -/* */ -typedef struct -{ - subpicture_t *p_subpicture; - bool b_reject; -} spu_heap_entry_t; - -typedef struct -{ - spu_heap_entry_t p_entry[VOUT_MAX_SUBPICTURES]; - -} spu_heap_t; - -struct spu_private_t -{ - vlc_mutex_t lock; /* lock to protect all followings fields */ - vlc_object_t *p_input; - - spu_heap_t heap; - - int i_channel; /**< number of subpicture channels registered */ - filter_t *p_text; /**< text renderer module */ - filter_t *p_scale_yuvp; /**< scaling module for YUVP */ - filter_t *p_scale; /**< scaling module (all but YUVP) */ - bool b_force_crop; /**< force cropping of subpicture */ - int i_crop_x, i_crop_y, i_crop_width, i_crop_height; /**< cropping */ - - int i_margin; /**< force position of a subpicture */ - bool b_force_palette; /**< force palette of subpicture */ - uint8_t palette[4][4]; /**< forced palette */ - - /* Subpiture filters */ - char *psz_source_chain_update; - vlc_mutex_t source_chain_lock; - filter_chain_t *p_source_chain; - char *psz_filter_chain_update; - vlc_mutex_t filter_chain_lock; - filter_chain_t *p_filter_chain; - - /* */ - mtime_t i_last_sort_date; -}; - -/***************************************************************************** - * heap managment - *****************************************************************************/ -static void SpuHeapInit( spu_heap_t *p_heap ) -{ - for( int i = 0; i < VOUT_MAX_SUBPICTURES; i++ ) - { - spu_heap_entry_t *e = &p_heap->p_entry[i]; - - e->p_subpicture = NULL; - e->b_reject = false; - } -} - -static int SpuHeapPush( spu_heap_t *p_heap, subpicture_t *p_subpic ) -{ - for( int i = 0; i < VOUT_MAX_SUBPICTURES; i++ ) - { - spu_heap_entry_t *e = &p_heap->p_entry[i]; - - if( e->p_subpicture ) - continue; - - e->p_subpicture = p_subpic; - e->b_reject = false; - return VLC_SUCCESS; - } - return VLC_EGENERIC; -} - -static void SpuHeapDeleteAt( spu_heap_t *p_heap, int i_index ) -{ - spu_heap_entry_t *e = &p_heap->p_entry[i_index]; - - if( e->p_subpicture ) - subpicture_Delete( e->p_subpicture ); - - e->p_subpicture = NULL; -} - -static int SpuHeapDeleteSubpicture( spu_heap_t *p_heap, subpicture_t *p_subpic ) -{ - for( int i = 0; i < VOUT_MAX_SUBPICTURES; i++ ) - { - spu_heap_entry_t *e = &p_heap->p_entry[i]; - - if( e->p_subpicture != p_subpic ) - continue; - - SpuHeapDeleteAt( p_heap, i ); - return VLC_SUCCESS; - } - return VLC_EGENERIC; -} - -static void SpuHeapClean( spu_heap_t *p_heap ) -{ - for( int i = 0; i < VOUT_MAX_SUBPICTURES; i++ ) - { - spu_heap_entry_t *e = &p_heap->p_entry[i]; - if( e->p_subpicture ) - subpicture_Delete( e->p_subpicture ); - } -} - -struct filter_owner_sys_t -{ - spu_t *p_spu; - int i_channel; -}; - -static void FilterRelease( filter_t *p_filter ) -{ - if( p_filter->p_module ) - module_unneed( p_filter, p_filter->p_module ); - if( p_filter->p_owner ) - free( p_filter->p_owner ); - - vlc_object_release( p_filter ); -} - -static picture_t *spu_new_video_buffer( filter_t *p_filter ) -{ - const video_format_t *p_fmt = &p_filter->fmt_out.video; - - VLC_UNUSED(p_filter); - return picture_NewFromFormat( p_fmt ); -} -static void spu_del_video_buffer( filter_t *p_filter, picture_t *p_picture ) -{ - VLC_UNUSED(p_filter); - picture_Release( p_picture ); -} - -static int spu_get_attachments( filter_t *p_filter, - input_attachment_t ***ppp_attachment, - int *pi_attachment ) -{ - spu_t *p_spu = p_filter->p_owner->p_spu; - - int i_ret = VLC_EGENERIC; - if( p_spu->p->p_input ) - i_ret = input_Control( (input_thread_t*)p_spu->p->p_input, - INPUT_GET_ATTACHMENTS, - ppp_attachment, pi_attachment ); - return i_ret; -} - -static filter_t *SpuRenderCreateAndLoadText( spu_t *p_spu ) -{ - filter_t *p_text = vlc_custom_create( p_spu, sizeof(*p_text), - VLC_OBJECT_GENERIC, "spu text" ); - if( !p_text ) - return NULL; - - p_text->p_owner = xmalloc( sizeof(*p_text->p_owner) ); - p_text->p_owner->p_spu = p_spu; - - es_format_Init( &p_text->fmt_in, VIDEO_ES, 0 ); - - es_format_Init( &p_text->fmt_out, VIDEO_ES, 0 ); - p_text->fmt_out.video.i_width = - p_text->fmt_out.video.i_visible_width = 32; - p_text->fmt_out.video.i_height = - p_text->fmt_out.video.i_visible_height = 32; - - p_text->pf_get_attachments = spu_get_attachments; - - vlc_object_attach( p_text, p_spu ); - p_text->p_module = module_need( p_text, "text renderer", "$text-renderer", false ); - - /* Create a few variables used for enhanced text rendering */ - var_Create( p_text, "spu-elapsed", VLC_VAR_TIME ); - var_Create( p_text, "text-rerender", VLC_VAR_BOOL ); - var_Create( p_text, "scale", VLC_VAR_INTEGER ); - - return p_text; -} - -static filter_t *SpuRenderCreateAndLoadScale( vlc_object_t *p_obj, - vlc_fourcc_t i_src_chroma, vlc_fourcc_t i_dst_chroma, - bool b_resize ) -{ - filter_t *p_scale = vlc_custom_create( p_obj, sizeof(*p_scale), - VLC_OBJECT_GENERIC, "scale" ); - if( !p_scale ) - return NULL; - - es_format_Init( &p_scale->fmt_in, VIDEO_ES, 0 ); - p_scale->fmt_in.video.i_chroma = i_src_chroma; - p_scale->fmt_in.video.i_width = - p_scale->fmt_in.video.i_height = 32; - - es_format_Init( &p_scale->fmt_out, VIDEO_ES, 0 ); - p_scale->fmt_out.video.i_chroma = i_dst_chroma; - p_scale->fmt_out.video.i_width = - p_scale->fmt_out.video.i_height = b_resize ? 16 : 32; - - p_scale->pf_video_buffer_new = spu_new_video_buffer; - p_scale->pf_video_buffer_del = spu_del_video_buffer; - - vlc_object_attach( p_scale, p_obj ); - p_scale->p_module = module_need( p_scale, "video filter2", NULL, false ); - - return p_scale; -} - -static void SpuRenderText( spu_t *p_spu, bool *pb_rerender_text, - subpicture_region_t *p_region, - mtime_t render_date ) -{ - filter_t *p_text = p_spu->p->p_text; - - assert( p_region->fmt.i_chroma == VLC_CODEC_TEXT ); - - if( !p_text || !p_text->p_module ) - return; - - /* Setup 3 variables which can be used to render - * time-dependent text (and effects). The first indicates - * the total amount of time the text will be on screen, - * the second the amount of time it has already been on - * screen (can be a negative value as text is layed out - * before it is rendered) and the third is a feedback - * variable from the renderer - if the renderer sets it - * then this particular text is time-dependent, eg. the - * visual progress bar inside the text in karaoke and the - * text needs to be rendered multiple times in order for - * the effect to work - we therefore need to return the - * region to its original state at the end of the loop, - * instead of leaving it in YUVA or YUVP. - * Any renderer which is unaware of how to render - * time-dependent text can happily ignore the variables - * and render the text the same as usual - it should at - * least show up on screen, but the effect won't change - * the text over time. - */ - var_SetTime( p_text, "spu-elapsed", render_date ); - var_SetBool( p_text, "text-rerender", false ); - - if( p_text->pf_render_html && p_region->psz_html ) - { - p_text->pf_render_html( p_text, p_region, p_region ); - } - else if( p_text->pf_render_text ) - { - p_text->pf_render_text( p_text, p_region, p_region ); - } - *pb_rerender_text = var_GetBool( p_text, "text-rerender" ); -} - -/** - * A few scale functions helpers. - */ - -#define SCALE_UNIT (1000) -typedef struct -{ - int w; - int h; -} spu_scale_t; - -static spu_scale_t spu_scale_create( int w, int h ) -{ - spu_scale_t s = { .w = w, .h = h }; - if( s.w <= 0 ) - s.w = SCALE_UNIT; - if( s.h <= 0 ) - s.h = SCALE_UNIT; - return s; -} -static spu_scale_t spu_scale_unit( void ) -{ - return spu_scale_create( SCALE_UNIT, SCALE_UNIT ); -} -static spu_scale_t spu_scale_createq( int64_t wn, int64_t wd, int64_t hn, int64_t hd ) -{ - return spu_scale_create( wn * SCALE_UNIT / wd, - hn * SCALE_UNIT / hd ); -} -static int spu_scale_w( int v, const spu_scale_t s ) -{ - return v * s.w / SCALE_UNIT; -} -static int spu_scale_h( int v, const spu_scale_t s ) -{ - return v * s.h / SCALE_UNIT; -} -static int spu_invscale_w( int v, const spu_scale_t s ) -{ - return v * SCALE_UNIT / s.w; -} -static int spu_invscale_h( int v, const spu_scale_t s ) -{ - return v * SCALE_UNIT / s.h; -} - -/** - * A few area functions helpers - */ -typedef struct -{ - int i_x; - int i_y; - int i_width; - int i_height; - - spu_scale_t scale; -} spu_area_t; - -static spu_area_t spu_area_create( int x, int y, int w, int h, spu_scale_t s ) -{ - spu_area_t a = { .i_x = x, .i_y = y, .i_width = w, .i_height = h, .scale = s }; - return a; -} -static spu_area_t spu_area_scaled( spu_area_t a ) -{ - if( a.scale.w == SCALE_UNIT && a.scale.h == SCALE_UNIT ) - return a; - - a.i_x = spu_scale_w( a.i_x, a.scale ); - a.i_y = spu_scale_h( a.i_y, a.scale ); - - a.i_width = spu_scale_w( a.i_width, a.scale ); - a.i_height = spu_scale_h( a.i_height, a.scale ); - - a.scale = spu_scale_unit(); - return a; -} -static spu_area_t spu_area_unscaled( spu_area_t a, spu_scale_t s ) -{ - if( a.scale.w == s.w && a.scale.h == s.h ) - return a; - - a = spu_area_scaled( a ); - - a.i_x = spu_invscale_w( a.i_x, s ); - a.i_y = spu_invscale_h( a.i_y, s ); - - a.i_width = spu_invscale_w( a.i_width, s ); - a.i_height = spu_invscale_h( a.i_height, s ); - - a.scale = s; - return a; -} -static bool spu_area_overlap( spu_area_t a, spu_area_t b ) -{ - const int i_dx = 0; - const int i_dy = 0; - - a = spu_area_scaled( a ); - b = spu_area_scaled( b ); - - return __MAX( a.i_x-i_dx, b.i_x ) < __MIN( a.i_x+a.i_width +i_dx, b.i_x+b.i_width ) && - __MAX( a.i_y-i_dy, b.i_y ) < __MIN( a.i_y+a.i_height+i_dy, b.i_y+b.i_height ); -} - -/** - * Avoid area overlapping - */ -static void SpuAreaFixOverlap( spu_area_t *p_dst, - const spu_area_t *p_sub, int i_sub, int i_align ) -{ - spu_area_t a = spu_area_scaled( *p_dst ); - bool b_moved = false; - bool b_ok; - - /* Check for overlap - * XXX It is not fast O(n^2) but we should not have a lot of region */ - do - { - b_ok = true; - for( int i = 0; i < i_sub; i++ ) - { - spu_area_t sub = spu_area_scaled( p_sub[i] ); - - if( !spu_area_overlap( a, sub ) ) - continue; - - if( i_align & SUBPICTURE_ALIGN_TOP ) - { - /* We go down */ - int i_y = sub.i_y + sub.i_height; - a.i_y = i_y; - b_moved = true; - } - else if( i_align & SUBPICTURE_ALIGN_BOTTOM ) - { - /* We go up */ - int i_y = sub.i_y - a.i_height; - a.i_y = i_y; - b_moved = true; - } - else - { - /* TODO what to do in this case? */ - //fprintf( stderr, "Overlap with unsupported alignment\n" ); - break; - } - - b_ok = false; - break; - } - } while( !b_ok ); - - if( b_moved ) - *p_dst = spu_area_unscaled( a, p_dst->scale ); -} - - -static void SpuAreaFitInside( spu_area_t *p_area, const spu_area_t *p_boundary ) -{ - spu_area_t a = spu_area_scaled( *p_area ); - - const int i_error_x = (a.i_x + a.i_width) - p_boundary->i_width; - if( i_error_x > 0 ) - a.i_x -= i_error_x; - if( a.i_x < 0 ) - a.i_x = 0; - - const int i_error_y = (a.i_y + a.i_height) - p_boundary->i_height; - if( i_error_y > 0 ) - a.i_y -= i_error_y; - if( a.i_y < 0 ) - a.i_y = 0; - - *p_area = spu_area_unscaled( a, p_area->scale ); -} - -/** - * Place a region - */ -static void SpuRegionPlace( int *pi_x, int *pi_y, - const subpicture_t *p_subpic, - const subpicture_region_t *p_region ) -{ - assert( p_region->i_x != INT_MAX && p_region->i_y != INT_MAX ); - if( p_subpic->b_absolute ) - { - *pi_x = p_region->i_x; - *pi_y = p_region->i_y; - } - else - { - if( p_region->i_align & SUBPICTURE_ALIGN_TOP ) - { - *pi_y = p_region->i_y; - } - else if( p_region->i_align & SUBPICTURE_ALIGN_BOTTOM ) - { - *pi_y = p_subpic->i_original_picture_height - p_region->fmt.i_height - p_region->i_y; - } - else - { - *pi_y = p_subpic->i_original_picture_height / 2 - p_region->fmt.i_height / 2; - } - - if( p_region->i_align & SUBPICTURE_ALIGN_LEFT ) - { - *pi_x = p_region->i_x; - } - else if( p_region->i_align & SUBPICTURE_ALIGN_RIGHT ) - { - *pi_x = p_subpic->i_original_picture_width - p_region->fmt.i_width - p_region->i_x; - } - else - { - *pi_x = p_subpic->i_original_picture_width / 2 - p_region->fmt.i_width / 2; - } - } -} - -/** - * This function compares two 64 bits integers. - * It can be used by qsort. - */ -static int IntegerCmp( int64_t i0, int64_t i1 ) -{ - return i0 < i1 ? -1 : i0 > i1 ? 1 : 0; -} -/** - * This function compares 2 subpictures using the following properties - * (ordered by priority) - * 1. absolute positionning - * 2. start time - * 3. creation order (per channel) - * - * It can be used by qsort. - * - * XXX spu_RenderSubpictures depends heavily on this order. - */ -static int SubpictureCmp( const void *s0, const void *s1 ) -{ - subpicture_t *p_subpic0 = *(subpicture_t**)s0; - subpicture_t *p_subpic1 = *(subpicture_t**)s1; - int r; - - r = IntegerCmp( !p_subpic0->b_absolute, !p_subpic1->b_absolute ); - if( !r ) - r = IntegerCmp( p_subpic0->i_start, p_subpic1->i_start ); - if( !r ) - r = IntegerCmp( p_subpic0->i_channel, p_subpic1->i_channel ); - if( !r ) - r = IntegerCmp( p_subpic0->i_order, p_subpic1->i_order ); - return r; -} - -/***************************************************************************** - * SpuSelectSubpictures: find the subpictures to display - ***************************************************************************** - * This function parses all subpictures and decides which ones need to be - * displayed. If no picture has been selected, display_date will depend on - * the subpicture. - * We also check for ephemer DVD subpictures (subpictures that have - * to be removed if a newer one is available), which makes it a lot - * more difficult to guess if a subpicture has to be rendered or not. - *****************************************************************************/ -static void SpuSelectSubpictures( spu_t *p_spu, - unsigned int *pi_subpicture, - subpicture_t **pp_subpicture, - mtime_t render_subtitle_date, - mtime_t render_osd_date, - bool b_subtitle_only ) -{ - spu_private_t *p_sys = p_spu->p; - - /* */ - *pi_subpicture = 0; - - /* Create a list of channels */ - int pi_channel[VOUT_MAX_SUBPICTURES]; - int i_channel_count = 0; - - for( int i_index = 0; i_index < VOUT_MAX_SUBPICTURES; i_index++ ) - { - spu_heap_entry_t *p_entry = &p_sys->heap.p_entry[i_index]; - if( !p_entry->p_subpicture || p_entry->b_reject ) - continue; - const int i_channel = p_entry->p_subpicture->i_channel; - int i; - for( i = 0; i < i_channel_count; i++ ) - { - if( pi_channel[i] == i_channel ) - break; - } - if( i_channel_count <= i ) - pi_channel[i_channel_count++] = i_channel; - } - - /* Fill up the pp_subpicture arrays with relevent pictures */ - for( int i = 0; i < i_channel_count; i++ ) - { - const int i_channel = pi_channel[i]; - subpicture_t *p_available_subpic[VOUT_MAX_SUBPICTURES]; - bool pb_available_late[VOUT_MAX_SUBPICTURES]; - int i_available = 0; - - mtime_t start_date = render_subtitle_date; - mtime_t ephemer_subtitle_date = 0; - mtime_t ephemer_osd_date = 0; - int64_t i_ephemer_subtitle_order = INT64_MIN; - int64_t i_ephemer_system_order = INT64_MIN; - int i_index; - - /* Select available pictures */ - for( i_index = 0; i_index < VOUT_MAX_SUBPICTURES; i_index++ ) - { - spu_heap_entry_t *p_entry = &p_sys->heap.p_entry[i_index]; - subpicture_t *p_current = p_entry->p_subpicture; - bool b_stop_valid; - bool b_late; - - if( !p_current || p_entry->b_reject ) - { - if( p_entry->b_reject ) - SpuHeapDeleteAt( &p_sys->heap, i_index ); - continue; - } - - if( p_current->i_channel != i_channel || - ( b_subtitle_only && !p_current->b_subtitle ) ) - { - continue; - } - const mtime_t render_date = p_current->b_subtitle ? render_subtitle_date : render_osd_date; - if( render_date && - render_date < p_current->i_start ) - { - /* Too early, come back next monday */ - continue; - } - - mtime_t *pi_ephemer_date = p_current->b_subtitle ? &ephemer_subtitle_date : &ephemer_osd_date; - int64_t *pi_ephemer_order = p_current->b_subtitle ? &i_ephemer_subtitle_order : &i_ephemer_system_order; - if( p_current->i_start >= *pi_ephemer_date ) - { - *pi_ephemer_date = p_current->i_start; - if( p_current->i_order > *pi_ephemer_order ) - *pi_ephemer_order = p_current->i_order; - } - - b_stop_valid = !p_current->b_ephemer || p_current->i_stop > p_current->i_start; - - b_late = b_stop_valid && p_current->i_stop <= render_date; - - /* start_date will be used for correct automatic overlap support - * in case picture that should not be displayed anymore (display_time) - * overlap with a picture to be displayed (p_current->i_start) */ - if( p_current->b_subtitle && !b_late && !p_current->b_ephemer ) - start_date = p_current->i_start; - - /* */ - p_available_subpic[i_available] = p_current; - pb_available_late[i_available] = b_late; - i_available++; - } - - /* Only forced old picture display at the transition */ - if( start_date < p_sys->i_last_sort_date ) - start_date = p_sys->i_last_sort_date; - if( start_date <= 0 ) - start_date = INT64_MAX; - - /* Select pictures to be displayed */ - for( i_index = 0; i_index < i_available; i_index++ ) - { - subpicture_t *p_current = p_available_subpic[i_index]; - bool b_late = pb_available_late[i_index]; - - const mtime_t stop_date = p_current->b_subtitle ? __MAX( start_date, p_sys->i_last_sort_date ) : render_osd_date; - const mtime_t ephemer_date = p_current->b_subtitle ? ephemer_subtitle_date : ephemer_osd_date; - const int64_t i_ephemer_order = p_current->b_subtitle ? i_ephemer_subtitle_order : i_ephemer_system_order; - - /* Destroy late and obsolete ephemer subpictures */ - bool b_rejet = b_late && p_current->i_stop <= stop_date; - if( p_current->b_ephemer ) - { - if( p_current->i_start < ephemer_date ) - b_rejet = true; - else if( p_current->i_start == ephemer_date && - p_current->i_order < i_ephemer_order ) - b_rejet = true; - } - - if( b_rejet ) - SpuHeapDeleteSubpicture( &p_sys->heap, p_current ); - else - pp_subpicture[(*pi_subpicture)++] = p_current; - } - } - - p_sys->i_last_sort_date = render_subtitle_date; -} - - - -/** - * It will transform the provided region into another region suitable for rendering. - */ - -static void SpuRenderRegion( spu_t *p_spu, - subpicture_region_t **pp_dst, spu_area_t *p_dst_area, - subpicture_t *p_subpic, subpicture_region_t *p_region, - const spu_scale_t scale_size, - const vlc_fourcc_t *p_chroma_list, - const video_format_t *p_fmt, - const spu_area_t *p_subtitle_area, int i_subtitle_area, - mtime_t render_date ) -{ - spu_private_t *p_sys = p_spu->p; - - video_format_t fmt_original = p_region->fmt; - bool b_restore_text = false; - int i_x_offset; - int i_y_offset; - - video_format_t region_fmt; - picture_t *p_region_picture; - - /* Invalidate area by default */ - *p_dst_area = spu_area_create( 0,0, 0,0, scale_size ); - *pp_dst = NULL; - - /* Render text region */ - if( p_region->fmt.i_chroma == VLC_CODEC_TEXT ) - { - SpuRenderText( p_spu, &b_restore_text, p_region, - render_date ); - - /* Check if the rendering has failed ... */ - if( p_region->fmt.i_chroma == VLC_CODEC_TEXT ) - goto exit; - } - - /* Force palette if requested - * FIXME b_force_palette and b_force_crop are applied to all subpictures using palette - * instead of only the right one (being the dvd spu). - */ - const bool b_using_palette = p_region->fmt.i_chroma == VLC_CODEC_YUVP; - const bool b_force_palette = b_using_palette && p_sys->b_force_palette; - const bool b_force_crop = b_force_palette && p_sys->b_force_crop; - bool b_changed_palette = false; - - /* Compute the margin which is expressed in destination pixel unit - * The margin is applied only to subtitle and when no forced crop is - * requested (dvd menu) */ - int i_margin_y = 0; - if( !b_force_crop && p_subpic->b_subtitle ) - i_margin_y = spu_invscale_h( p_sys->i_margin, scale_size ); - - /* Place the picture - * We compute the position in the rendered size */ - SpuRegionPlace( &i_x_offset, &i_y_offset, - p_subpic, p_region ); - - /* Save this position for subtitle overlap support - * it is really important that there are given without scale_size applied */ - *p_dst_area = spu_area_create( i_x_offset, i_y_offset, - p_region->fmt.i_width, p_region->fmt.i_height, - scale_size ); - - /* Handle overlapping subtitles when possible */ - if( p_subpic->b_subtitle && !p_subpic->b_absolute ) - { - SpuAreaFixOverlap( p_dst_area, p_subtitle_area, i_subtitle_area, - p_region->i_align ); - } - - /* we copy the area: for the subtitle overlap support we want - * to only save the area without margin applied */ - spu_area_t restrained = *p_dst_area; - - /* apply margin to subtitles and correct if they go over the picture edge */ - if( p_subpic->b_subtitle ) - restrained.i_y -= i_margin_y; - - spu_area_t display = spu_area_create( 0, 0, p_fmt->i_width, p_fmt->i_height, - spu_scale_unit() ); - SpuAreaFitInside( &restrained, &display ); - - /* Fix the position for the current scale_size */ - i_x_offset = spu_scale_w( restrained.i_x, restrained.scale ); - i_y_offset = spu_scale_h( restrained.i_y, restrained.scale ); - - /* */ - if( b_force_palette ) - { - video_palette_t *p_palette = p_region->fmt.p_palette; - video_palette_t palette; - - /* We suppose DVD palette here */ - palette.i_entries = 4; - for( int i = 0; i < 4; i++ ) - for( int j = 0; j < 4; j++ ) - palette.palette[i][j] = p_sys->palette[i][j]; - - if( p_palette->i_entries == palette.i_entries ) - { - for( int i = 0; i < p_palette->i_entries; i++ ) - for( int j = 0; j < 4; j++ ) - b_changed_palette |= p_palette->palette[i][j] != palette.palette[i][j]; - } - else - { - b_changed_palette = true; - } - *p_palette = palette; - } - - /* */ - region_fmt = p_region->fmt; - p_region_picture = p_region->p_picture; - - bool b_convert_chroma = true; - for( int i = 0; p_chroma_list[i] && b_convert_chroma; i++ ) - { - if( region_fmt.i_chroma == p_chroma_list[i] ) - b_convert_chroma = false; - } - - /* Scale from rendered size to destination size */ - if( p_sys->p_scale && p_sys->p_scale->p_module && - ( !b_using_palette || ( p_sys->p_scale_yuvp && p_sys->p_scale_yuvp->p_module ) ) && - ( scale_size.w != SCALE_UNIT || scale_size.h != SCALE_UNIT || - b_using_palette || b_convert_chroma) ) - { - const unsigned i_dst_width = spu_scale_w( p_region->fmt.i_width, scale_size ); - const unsigned i_dst_height = spu_scale_h( p_region->fmt.i_height, scale_size ); - - /* Destroy the cache if unusable */ - if( p_region->p_private ) - { - subpicture_region_private_t *p_private = p_region->p_private; - bool b_changed = false; - - /* Check resize changes */ - if( i_dst_width != p_private->fmt.i_width || - i_dst_height != p_private->fmt.i_height ) - b_changed = true; - - /* Check forced palette changes */ - if( b_changed_palette ) - b_changed = true; - - if( b_convert_chroma && p_private->fmt.i_chroma != p_chroma_list[0] ) - b_changed = true; - - if( b_changed ) - { - subpicture_region_private_Delete( p_private ); - p_region->p_private = NULL; - } - } - - /* Scale if needed into cache */ - if( !p_region->p_private && i_dst_width > 0 && i_dst_height > 0 ) - { - filter_t *p_scale = p_sys->p_scale; - - picture_t *p_picture = p_region->p_picture; - picture_Hold( p_picture ); - - /* Convert YUVP to YUVA/RGBA first for better scaling quality */ - if( b_using_palette ) - { - filter_t *p_scale_yuvp = p_sys->p_scale_yuvp; - - p_scale_yuvp->fmt_in.video = p_region->fmt; - - p_scale_yuvp->fmt_out.video = p_region->fmt; - p_scale_yuvp->fmt_out.video.i_chroma = p_chroma_list[0]; - - p_picture = p_scale_yuvp->pf_video_filter( p_scale_yuvp, p_picture ); - if( !p_picture ) - { - /* Well we will try conversion+scaling */ - msg_Warn( p_spu, "%4.4s to %4.4s conversion failed", - (const char*)&p_scale_yuvp->fmt_in.video.i_chroma, - (const char*)&p_scale_yuvp->fmt_out.video.i_chroma ); - } - } - - /* Conversion(except from YUVP)/Scaling */ - if( p_picture && - ( p_picture->format.i_width != i_dst_width || - p_picture->format.i_height != i_dst_height || - ( b_convert_chroma && !b_using_palette ) ) ) - { - p_scale->fmt_in.video = p_picture->format; - p_scale->fmt_out.video = p_picture->format; - if( b_convert_chroma ) - p_scale->fmt_out.i_codec = - p_scale->fmt_out.video.i_chroma = p_chroma_list[0]; - - p_scale->fmt_out.video.i_width = i_dst_width; - p_scale->fmt_out.video.i_height = i_dst_height; - - p_scale->fmt_out.video.i_visible_width = - spu_scale_w( p_region->fmt.i_visible_width, scale_size ); - p_scale->fmt_out.video.i_visible_height = - spu_scale_h( p_region->fmt.i_visible_height, scale_size ); - - p_picture = p_scale->pf_video_filter( p_scale, p_picture ); - if( !p_picture ) - msg_Err( p_spu, "scaling failed" ); - } - - /* */ - if( p_picture ) - { - p_region->p_private = subpicture_region_private_New( &p_picture->format ); - if( p_region->p_private ) - { - p_region->p_private->p_picture = p_picture; - if( !p_region->p_private->p_picture ) - { - subpicture_region_private_Delete( p_region->p_private ); - p_region->p_private = NULL; - } - } - else - { - picture_Release( p_picture ); - } - } - } - - /* And use the scaled picture */ - if( p_region->p_private ) - { - region_fmt = p_region->p_private->fmt; - p_region_picture = p_region->p_private->p_picture; - } - } - - /* Force cropping if requested */ - if( b_force_crop ) - { - int i_crop_x = spu_scale_w( p_sys->i_crop_x, scale_size ); - int i_crop_y = spu_scale_h( p_sys->i_crop_y, scale_size ); - int i_crop_width = spu_scale_w( p_sys->i_crop_width, scale_size ); - int i_crop_height= spu_scale_h( p_sys->i_crop_height,scale_size ); - - /* Find the intersection */ - if( i_crop_x + i_crop_width <= i_x_offset || - i_x_offset + (int)region_fmt.i_visible_width < i_crop_x || - i_crop_y + i_crop_height <= i_y_offset || - i_y_offset + (int)region_fmt.i_visible_height < i_crop_y ) - { - /* No intersection */ - region_fmt.i_visible_width = - region_fmt.i_visible_height = 0; - } - else - { - int i_x, i_y, i_x_end, i_y_end; - i_x = __MAX( i_crop_x, i_x_offset ); - i_y = __MAX( i_crop_y, i_y_offset ); - i_x_end = __MIN( i_crop_x + i_crop_width, - i_x_offset + (int)region_fmt.i_visible_width ); - i_y_end = __MIN( i_crop_y + i_crop_height, - i_y_offset + (int)region_fmt.i_visible_height ); - - region_fmt.i_x_offset = i_x - i_x_offset; - region_fmt.i_y_offset = i_y - i_y_offset; - region_fmt.i_visible_width = i_x_end - i_x; - region_fmt.i_visible_height = i_y_end - i_y; - - i_x_offset = __MAX( i_x, 0 ); - i_y_offset = __MAX( i_y, 0 ); - } - } - - subpicture_region_t *p_dst = *pp_dst = subpicture_region_New( ®ion_fmt ); - if( p_dst ) - { - p_dst->i_x = i_x_offset; - p_dst->i_y = i_y_offset; - p_dst->i_align = 0; - if( p_dst->p_picture ) - picture_Release( p_dst->p_picture ); - p_dst->p_picture = picture_Hold( p_region_picture ); - int i_fade_alpha = 255; - if( p_subpic->b_fade ) - { - mtime_t fade_start = ( p_subpic->i_stop + - p_subpic->i_start ) / 2; - - if( fade_start <= render_date && fade_start < p_subpic->i_stop ) - i_fade_alpha = 255 * ( p_subpic->i_stop - render_date ) / - ( p_subpic->i_stop - fade_start ); - } - p_dst->i_alpha = i_fade_alpha * p_subpic->i_alpha * p_region->i_alpha / 65025; - } - -exit: - if( b_restore_text ) - { - /* Some forms of subtitles need to be re-rendered more than - * once, eg. karaoke. We therefore restore the region to its - * pre-rendered state, so the next time through everything is - * calculated again. - */ - if( p_region->p_picture ) - { - picture_Release( p_region->p_picture ); - p_region->p_picture = NULL; - } - if( p_region->p_private ) - { - subpicture_region_private_Delete( p_region->p_private ); - p_region->p_private = NULL; - } - p_region->fmt = fmt_original; - } -} - -/** - * This function renders all sub picture units in the list. - */ -static subpicture_t *SpuRenderSubpictures( spu_t *p_spu, - unsigned int i_subpicture, - subpicture_t **pp_subpicture, - const vlc_fourcc_t *p_chroma_list, - const video_format_t *p_fmt_dst, - const video_format_t *p_fmt_src, - mtime_t render_subtitle_date, - mtime_t render_osd_date ) -{ - spu_private_t *p_sys = p_spu->p; - - /* Count the number of regions and subtitle regions */ - unsigned int i_subtitle_region_count = 0; - unsigned int i_region_count = 0; - for( unsigned i = 0; i < i_subpicture; i++ ) - { - const subpicture_t *p_subpic = pp_subpicture[i]; - - unsigned i_count = 0; - for( subpicture_region_t *r = p_subpic->p_region; r != NULL; r = r->p_next ) - i_count++; - - if( p_subpic->b_subtitle ) - i_subtitle_region_count += i_count; - i_region_count += i_count; - } - if( i_region_count <= 0 ) - return NULL; - - /* Create the output subpicture */ - subpicture_t *p_output = subpicture_New( NULL ); - if( !p_output ) - return NULL; - p_output->i_original_picture_width = p_fmt_dst->i_width; - p_output->i_original_picture_height = p_fmt_dst->i_height; - subpicture_region_t **pp_output_last = &p_output->p_region; - - /* Allocate area array for subtitle overlap */ - spu_area_t p_subtitle_area_buffer[VOUT_MAX_SUBPICTURES]; - spu_area_t *p_subtitle_area; - int i_subtitle_area; - - i_subtitle_area = 0; - p_subtitle_area = p_subtitle_area_buffer; - if( i_subtitle_region_count > sizeof(p_subtitle_area_buffer)/sizeof(*p_subtitle_area_buffer) ) - p_subtitle_area = calloc( i_subtitle_region_count, sizeof(*p_subtitle_area) ); - - /* Process all subpictures and regions (in the right order) */ - for( unsigned int i_index = 0; i_index < i_subpicture; i_index++ ) - { - subpicture_t *p_subpic = pp_subpicture[i_index]; - subpicture_region_t *p_region; - - if( !p_subpic->p_region ) - continue; - - if( p_subpic->i_original_picture_width <= 0 || - p_subpic->i_original_picture_height <= 0 ) - { - if( p_subpic->i_original_picture_width > 0 || - p_subpic->i_original_picture_height > 0 ) - msg_Err( p_spu, "original picture size %dx%d is unsupported", - p_subpic->i_original_picture_width, - p_subpic->i_original_picture_height ); - else - msg_Warn( p_spu, "original picture size is undefined" ); - - p_subpic->i_original_picture_width = p_fmt_src->i_width; - p_subpic->i_original_picture_height = p_fmt_src->i_height; - } - - if( p_sys->p_text ) - { - /* FIXME aspect ratio ? */ - p_sys->p_text->fmt_out.video.i_width = - p_sys->p_text->fmt_out.video.i_visible_width = p_subpic->i_original_picture_width; - - p_sys->p_text->fmt_out.video.i_height = - p_sys->p_text->fmt_out.video.i_visible_height = p_subpic->i_original_picture_height; - - var_SetInteger( p_sys->p_text, "scale", SCALE_UNIT ); - } - - /* Render all regions - * We always transform non absolute subtitle into absolute one on the - * first rendering to allow good subtitle overlap support. - */ - for( p_region = p_subpic->p_region; p_region != NULL; p_region = p_region->p_next ) - { - spu_area_t area; - - /* Compute region scale AR */ - video_format_t region_fmt =p_region->fmt; - if( region_fmt.i_sar_num <= 0 || region_fmt.i_sar_den <= 0 ) - { - region_fmt.i_sar_num = p_fmt_src->i_sar_num; - region_fmt.i_sar_den = p_fmt_src->i_sar_den; - } - - /* Compute scaling from original size to destination size - * FIXME The current scaling ensure that the heights match, the width being - * cropped. - */ - spu_scale_t scale= spu_scale_createq( (int64_t)p_fmt_dst->i_height * p_fmt_dst->i_sar_den * region_fmt.i_sar_num, - (int64_t)p_subpic->i_original_picture_height * p_fmt_dst->i_sar_num * region_fmt.i_sar_den, - p_fmt_dst->i_height, - p_subpic->i_original_picture_height ); - - /* Check scale validity */ - if( scale.w <= 0 || scale.h <= 0 ) - continue; - - /* */ - SpuRenderRegion( p_spu, pp_output_last, &area, - p_subpic, p_region, scale, - p_chroma_list, p_fmt_dst, - p_subtitle_area, i_subtitle_area, - p_subpic->b_subtitle ? render_subtitle_date : render_osd_date ); - if( *pp_output_last ) - pp_output_last = &(*pp_output_last)->p_next; - - if( p_subpic->b_subtitle ) - { - area = spu_area_unscaled( area, scale ); - if( !p_subpic->b_absolute && area.i_width > 0 && area.i_height > 0 ) - { - p_region->i_x = area.i_x; - p_region->i_y = area.i_y; - } - if( p_subtitle_area ) - p_subtitle_area[i_subtitle_area++] = area; - } - } - if( p_subpic->b_subtitle && p_subpic->p_region ) - p_subpic->b_absolute = true; - } - - /* */ - if( p_subtitle_area != p_subtitle_area_buffer ) - free( p_subtitle_area ); - - return p_output; -} - -/***************************************************************************** - * Object variables callbacks - *****************************************************************************/ - -/***************************************************************************** - * UpdateSPU: update subpicture settings - ***************************************************************************** - * This function is called from CropCallback and at initialization time, to - * retrieve crop information from the input. - *****************************************************************************/ -static void UpdateSPU( spu_t *p_spu, vlc_object_t *p_object ) -{ - spu_private_t *p_sys = p_spu->p; - vlc_value_t val; - - vlc_mutex_lock( &p_sys->lock ); - - p_sys->b_force_palette = false; - p_sys->b_force_crop = false; - - if( var_Get( p_object, "highlight", &val ) || !val.b_bool ) - { - vlc_mutex_unlock( &p_sys->lock ); - return; - } - - p_sys->b_force_crop = true; - p_sys->i_crop_x = var_GetInteger( p_object, "x-start" ); - p_sys->i_crop_y = var_GetInteger( p_object, "y-start" ); - p_sys->i_crop_width = var_GetInteger( p_object, "x-end" ) - p_sys->i_crop_x; - p_sys->i_crop_height = var_GetInteger( p_object, "y-end" ) - p_sys->i_crop_y; - - if( var_Get( p_object, "menu-palette", &val ) == VLC_SUCCESS ) - { - memcpy( p_sys->palette, val.p_address, 16 ); - p_sys->b_force_palette = true; - } - vlc_mutex_unlock( &p_sys->lock ); - - msg_Dbg( p_object, "crop: %i,%i,%i,%i, palette forced: %i", - p_sys->i_crop_x, p_sys->i_crop_y, - p_sys->i_crop_width, p_sys->i_crop_height, - p_sys->b_force_palette ); -} - -/***************************************************************************** - * CropCallback: called when the highlight properties are changed - ***************************************************************************** - * This callback is called from the input thread when we need cropping - *****************************************************************************/ -static int CropCallback( vlc_object_t *p_object, char const *psz_var, - vlc_value_t oldval, vlc_value_t newval, void *p_data ) -{ - VLC_UNUSED(oldval); VLC_UNUSED(newval); VLC_UNUSED(psz_var); - - UpdateSPU( (spu_t *)p_data, p_object ); - return VLC_SUCCESS; -} - -/***************************************************************************** - * Buffers allocation callbacks for the filters - *****************************************************************************/ - -static subpicture_t *sub_new_buffer( filter_t *p_filter ) -{ - filter_owner_sys_t *p_sys = p_filter->p_owner; - - subpicture_t *p_subpicture = subpicture_New( NULL ); - if( p_subpicture ) - p_subpicture->i_channel = p_sys->i_channel; - return p_subpicture; -} -static void sub_del_buffer( filter_t *p_filter, subpicture_t *p_subpic ) -{ - VLC_UNUSED( p_filter ); - subpicture_Delete( p_subpic ); -} - -static int SubSourceAllocationInit( filter_t *p_filter, void *p_data ) -{ - spu_t *p_spu = p_data; - - filter_owner_sys_t *p_sys = malloc( sizeof(filter_owner_sys_t) ); - if( !p_sys ) - return VLC_EGENERIC; - - p_filter->pf_sub_buffer_new = sub_new_buffer; - p_filter->pf_sub_buffer_del = sub_del_buffer; - - p_filter->p_owner = p_sys; - p_sys->i_channel = spu_RegisterChannel( p_spu ); - p_sys->p_spu = p_spu; - - return VLC_SUCCESS; -} - -static void SubSourceAllocationClean( filter_t *p_filter ) -{ - filter_owner_sys_t *p_sys = p_filter->p_owner; - - spu_ClearChannel( p_sys->p_spu, p_sys->i_channel ); - free( p_filter->p_owner ); -} - -/***************************************************************************** - * Public API - *****************************************************************************/ - -#undef spu_Create -/** - * Creates the subpicture unit - * - * \param p_this the parent object which creates the subpicture unit - */ -spu_t *spu_Create( vlc_object_t *p_this ) -{ - spu_t *p_spu; - spu_private_t *p_sys; - - p_spu = vlc_custom_create( p_this, sizeof(spu_t) + sizeof(spu_private_t), - VLC_OBJECT_GENERIC, "subpicture" ); - if( !p_spu ) - return NULL; - vlc_object_attach( p_spu, p_this ); - - /* Initialize spu fields */ - p_spu->p = p_sys = (spu_private_t*)&p_spu[1]; - - /* Initialize private fields */ - vlc_mutex_init( &p_sys->lock ); - - SpuHeapInit( &p_sys->heap ); - - p_sys->p_text = NULL; - p_sys->p_scale = NULL; - p_sys->p_scale_yuvp = NULL; - - p_sys->i_margin = var_InheritInteger( p_spu, "sub-margin" ); - - /* Register the default subpicture channel */ - p_sys->i_channel = SPU_DEFAULT_CHANNEL + 1; - - p_sys->psz_source_chain_update = NULL; - p_sys->psz_filter_chain_update = NULL; - vlc_mutex_init( &p_sys->source_chain_lock ); - vlc_mutex_init( &p_sys->filter_chain_lock ); - p_sys->p_source_chain = filter_chain_New( p_spu, "sub source", false, - SubSourceAllocationInit, - SubSourceAllocationClean, - p_spu ); - p_sys->p_filter_chain = filter_chain_New( p_spu, "sub filter", false, - NULL, - NULL, - p_spu ); - - /* Load text and scale module */ - p_sys->p_text = SpuRenderCreateAndLoadText( p_spu ); - - /* XXX p_spu->p_scale is used for all conversion/scaling except yuvp to - * yuva/rgba */ - p_sys->p_scale = SpuRenderCreateAndLoadScale( VLC_OBJECT(p_spu), - VLC_CODEC_YUVA, VLC_CODEC_RGBA, true ); - - /* This one is used for YUVP to YUVA/RGBA without scaling - * FIXME rename it */ - p_sys->p_scale_yuvp = SpuRenderCreateAndLoadScale( VLC_OBJECT(p_spu), - VLC_CODEC_YUVP, VLC_CODEC_YUVA, false ); - - /* */ - p_sys->i_last_sort_date = -1; - - return p_spu; -} - -/** - * Destroy the subpicture unit - * - * \param p_this the parent object which destroys the subpicture unit - */ -void spu_Destroy( spu_t *p_spu ) -{ - spu_private_t *p_sys = p_spu->p; - - if( p_sys->p_text ) - FilterRelease( p_sys->p_text ); - - if( p_sys->p_scale_yuvp ) - FilterRelease( p_sys->p_scale_yuvp ); - - if( p_sys->p_scale ) - FilterRelease( p_sys->p_scale ); - - filter_chain_Delete( p_sys->p_source_chain ); - filter_chain_Delete( p_sys->p_filter_chain ); - vlc_mutex_destroy( &p_sys->source_chain_lock ); - vlc_mutex_destroy( &p_sys->filter_chain_lock ); - free( p_sys->psz_source_chain_update ); - free( p_sys->psz_filter_chain_update ); - - /* Destroy all remaining subpictures */ - SpuHeapClean( &p_sys->heap ); - - vlc_mutex_destroy( &p_sys->lock ); - - vlc_object_release( p_spu ); -} - -/** - * Attach/Detach the SPU from any input - * - * \param p_this the object in which to destroy the subpicture unit - * \param b_attach to select attach or detach - */ -void spu_Attach( spu_t *p_spu, vlc_object_t *p_input, bool b_attach ) -{ - if( b_attach ) - { - UpdateSPU( p_spu, p_input ); - var_Create( p_input, "highlight", VLC_VAR_BOOL ); - var_AddCallback( p_input, "highlight", CropCallback, p_spu ); - - vlc_mutex_lock( &p_spu->p->lock ); - p_spu->p->p_input = p_input; - - if( p_spu->p->p_text ) - FilterRelease( p_spu->p->p_text ); - p_spu->p->p_text = SpuRenderCreateAndLoadText( p_spu ); - - vlc_mutex_unlock( &p_spu->p->lock ); - } - else - { - vlc_mutex_lock( &p_spu->p->lock ); - p_spu->p->p_input = NULL; - vlc_mutex_unlock( &p_spu->p->lock ); - - /* Delete callbacks */ - var_DelCallback( p_input, "highlight", CropCallback, p_spu ); - var_Destroy( p_input, "highlight" ); - } -} - -/** - * Inform the SPU filters of mouse event - */ -int spu_ProcessMouse( spu_t *p_spu, - const vlc_mouse_t *p_mouse, - const video_format_t *p_fmt ) -{ - spu_private_t *p_sys = p_spu->p; - - vlc_mutex_lock( &p_sys->source_chain_lock ); - filter_chain_MouseEvent( p_sys->p_source_chain, p_mouse, p_fmt ); - vlc_mutex_unlock( &p_sys->source_chain_lock ); - - return VLC_SUCCESS; -} - -/** - * Display a subpicture - * - * Remove the reservation flag of a subpicture, which will cause it to be - * ready for display. - * \param p_spu the subpicture unit object - * \param p_subpic the subpicture to display - */ -void spu_PutSubpicture( spu_t *p_spu, subpicture_t *p_subpic ) -{ - spu_private_t *p_sys = p_spu->p; - - /* Update sub-filter chain */ - vlc_mutex_lock( &p_sys->lock ); - char *psz_chain_update = p_sys->psz_filter_chain_update; - p_sys->psz_filter_chain_update = NULL; - vlc_mutex_unlock( &p_sys->lock ); - - bool b_left_empty = false; - - vlc_mutex_lock( &p_sys->filter_chain_lock ); - if( psz_chain_update ) - { - filter_chain_Reset( p_sys->p_filter_chain, NULL, NULL ); - - filter_chain_AppendFromString( p_spu->p->p_filter_chain, psz_chain_update ); - - /* "sub-source" was formerly "sub-filter", so now the "sub-filter" - configuration may contain sub-filters or sub-sources configurations. - if the filters chain was left empty it may indicate that it's a sub-source configuration */ - b_left_empty = ( filter_chain_GetLength( p_spu->p->p_filter_chain ) == 0 ); - } - vlc_mutex_unlock( &p_sys->filter_chain_lock ); - - - if ( b_left_empty ) - { - /* try to use the configuration as a sub-source configuration */ - - vlc_mutex_lock( &p_sys->lock ); - if ( !p_sys->psz_source_chain_update || !*p_sys->psz_source_chain_update) /* null or empty */ - { - free( p_sys->psz_source_chain_update ); - p_sys->psz_source_chain_update = psz_chain_update; - psz_chain_update = NULL; - } - vlc_mutex_unlock( &p_sys->lock ); - } - - free( psz_chain_update ); - - /* Run filter chain on the new subpicture */ - p_subpic = filter_chain_SubFilter(p_spu->p->p_filter_chain, p_subpic); - if( !p_subpic ) - return; - - /* SPU_DEFAULT_CHANNEL always reset itself */ - if( p_subpic->i_channel == SPU_DEFAULT_CHANNEL ) - spu_ClearChannel( p_spu, SPU_DEFAULT_CHANNEL ); - - /* p_private is for spu only and cannot be non NULL here */ - for( subpicture_region_t *r = p_subpic->p_region; r != NULL; r = r->p_next ) - assert( r->p_private == NULL ); - - /* */ - vlc_mutex_lock( &p_sys->lock ); - if( SpuHeapPush( &p_sys->heap, p_subpic ) ) - { - vlc_mutex_unlock( &p_sys->lock ); - msg_Err( p_spu, "subpicture heap full" ); - subpicture_Delete( p_subpic ); - return; - } - vlc_mutex_unlock( &p_sys->lock ); -} - -subpicture_t *spu_Render( spu_t *p_spu, - const vlc_fourcc_t *p_chroma_list, - const video_format_t *p_fmt_dst, - const video_format_t *p_fmt_src, - mtime_t render_subtitle_date, - mtime_t render_osd_date, - bool b_subtitle_only ) -{ - spu_private_t *p_sys = p_spu->p; - - /* Update sub-source chain */ - vlc_mutex_lock( &p_sys->lock ); - char *psz_chain_update = p_sys->psz_source_chain_update; - p_sys->psz_source_chain_update = NULL; - vlc_mutex_unlock( &p_sys->lock ); - - vlc_mutex_lock( &p_sys->source_chain_lock ); - if( psz_chain_update ) - { - filter_chain_Reset( p_sys->p_source_chain, NULL, NULL ); - - filter_chain_AppendFromString( p_spu->p->p_source_chain, psz_chain_update ); - - free( psz_chain_update ); - } - /* Run subpicture sources */ - filter_chain_SubSource( p_sys->p_source_chain, render_osd_date ); - vlc_mutex_unlock( &p_sys->source_chain_lock ); - - static const vlc_fourcc_t p_chroma_list_default_yuv[] = { - VLC_CODEC_YUVA, - VLC_CODEC_RGBA, - VLC_CODEC_YUVP, - 0, - }; - static const vlc_fourcc_t p_chroma_list_default_rgb[] = { - VLC_CODEC_RGBA, - VLC_CODEC_YUVA, - VLC_CODEC_YUVP, - 0, - }; - - if( !p_chroma_list || *p_chroma_list == 0 ) - p_chroma_list = vlc_fourcc_IsYUV(p_fmt_dst->i_chroma) ? p_chroma_list_default_yuv - : p_chroma_list_default_rgb; - - vlc_mutex_lock( &p_sys->lock ); - - unsigned int i_subpicture; - subpicture_t *pp_subpicture[VOUT_MAX_SUBPICTURES]; - - /* Get an array of subpictures to render */ - SpuSelectSubpictures( p_spu, &i_subpicture, pp_subpicture, - render_subtitle_date, render_osd_date, b_subtitle_only ); - if( i_subpicture <= 0 ) - { - vlc_mutex_unlock( &p_sys->lock ); - return NULL; - } - - /* Updates the subpictures */ - for( unsigned i = 0; i < i_subpicture; i++ ) - { - subpicture_t *p_subpic = pp_subpicture[i]; - subpicture_Update( p_subpic, - p_fmt_src, p_fmt_dst, - p_subpic->b_subtitle ? render_subtitle_date : render_osd_date ); - } - - /* Now order the subpicture array - * XXX The order is *really* important for overlap subtitles positionning */ - qsort( pp_subpicture, i_subpicture, sizeof(*pp_subpicture), SubpictureCmp ); - - /* Render the subpictures */ - subpicture_t *p_render = SpuRenderSubpictures( p_spu, - i_subpicture, pp_subpicture, - p_chroma_list, - p_fmt_dst, - p_fmt_src, - render_subtitle_date, - render_osd_date ); - vlc_mutex_unlock( &p_sys->lock ); - - return p_render; -} - -void spu_OffsetSubtitleDate( spu_t *p_spu, mtime_t i_duration ) -{ - spu_private_t *p_sys = p_spu->p; - - vlc_mutex_lock( &p_sys->lock ); - for( int i = 0; i < VOUT_MAX_SUBPICTURES; i++ ) - { - spu_heap_entry_t *p_entry = &p_sys->heap.p_entry[i]; - subpicture_t *p_current = p_entry->p_subpicture; - - if( p_current && p_current->b_subtitle ) - { - if( p_current->i_start > 0 ) - p_current->i_start += i_duration; - if( p_current->i_stop > 0 ) - p_current->i_stop += i_duration; - } - } - vlc_mutex_unlock( &p_sys->lock ); -} - -int spu_RegisterChannel( spu_t *p_spu ) -{ - spu_private_t *p_sys = p_spu->p; - - vlc_mutex_lock( &p_sys->lock ); - int i_channel = p_sys->i_channel++; - vlc_mutex_unlock( &p_sys->lock ); - - return i_channel; -} - -void spu_ClearChannel( spu_t *p_spu, int i_channel ) -{ - spu_private_t *p_sys = p_spu->p; - - vlc_mutex_lock( &p_sys->lock ); - - for( int i_subpic = 0; i_subpic < VOUT_MAX_SUBPICTURES; i_subpic++ ) - { - spu_heap_entry_t *p_entry = &p_sys->heap.p_entry[i_subpic]; - subpicture_t *p_subpic = p_entry->p_subpicture; - - if( !p_subpic ) - continue; - if( p_subpic->i_channel != i_channel && ( i_channel != -1 || p_subpic->i_channel == SPU_DEFAULT_CHANNEL ) ) - continue; - - /* You cannot delete subpicture outside of spu_SortSubpictures */ - p_entry->b_reject = true; - } - - vlc_mutex_unlock( &p_sys->lock ); -} - -void spu_ChangeSources( spu_t *p_spu, const char *psz_filters ) -{ - spu_private_t *p_sys = p_spu->p; - - vlc_mutex_lock( &p_sys->lock ); - - free( p_sys->psz_source_chain_update ); - p_sys->psz_source_chain_update = strdup( psz_filters ); - - vlc_mutex_unlock( &p_sys->lock ); -} - -void spu_ChangeFilters( spu_t *p_spu, const char *psz_filters ) -{ - spu_private_t *p_sys = p_spu->p; - - vlc_mutex_lock( &p_sys->lock ); - - free( p_sys->psz_filter_chain_update ); - p_sys->psz_filter_chain_update = strdup( psz_filters ); - - vlc_mutex_unlock( &p_sys->lock ); -} - -void spu_ChangeMargin( spu_t *p_spu, int i_margin ) -{ - spu_private_t *p_sys = p_spu->p; - - vlc_mutex_lock( &p_sys->lock ); - p_sys->i_margin = i_margin; - vlc_mutex_unlock( &p_sys->lock ); -} - +/***************************************************************************** + * vout_subpictures.c : subpicture management functions + ***************************************************************************** + * Copyright (C) 2000-2007 the VideoLAN team + * $Id$ + * + * Authors: Vincent Seguin + * Samuel Hocevar + * Gildas Bazin + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. + *****************************************************************************/ + +/***************************************************************************** + * Preamble + *****************************************************************************/ +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include +#include + +#include +#include +#include +#include +#include +#include + +#include "../libvlc.h" +#include "vout_internal.h" +#include "../misc/subpicture.h" + +/***************************************************************************** + * Local prototypes + *****************************************************************************/ + +/* Number of simultaneous subpictures */ +#define VOUT_MAX_SUBPICTURES (__MAX(VOUT_MAX_PICTURES, SPU_MAX_PREPARE_TIME/5000)) + +/* */ +typedef struct { + subpicture_t *subpicture; + bool reject; +} spu_heap_entry_t; + +typedef struct { + spu_heap_entry_t entry[VOUT_MAX_SUBPICTURES]; +} spu_heap_t; + +struct spu_private_t { + vlc_mutex_t lock; /* lock to protect all followings fields */ + vlc_object_t *input; + + spu_heap_t heap; + + int channel; /**< number of subpicture channels registered */ + filter_t *text; /**< text renderer module */ + filter_t *scale_yuvp; /**< scaling module for YUVP */ + filter_t *scale; /**< scaling module (all but YUVP) */ + bool force_crop; /**< force cropping of subpicture */ + struct { + int x; + int y; + int width; + int height; + } crop; /**< cropping */ + + int margin; /**< force position of a subpicture */ + bool force_palette; /**< force palette of subpicture */ + uint8_t palette[4][4]; /**< forced palette */ + + /* Subpiture filters */ + char *source_chain_update; + vlc_mutex_t source_chain_lock; + filter_chain_t *source_chain; + char *filter_chain_update; + vlc_mutex_t filter_chain_lock; + filter_chain_t *filter_chain; + + /* */ + mtime_t last_sort_date; +}; + +/***************************************************************************** + * heap managment + *****************************************************************************/ +static void SpuHeapInit(spu_heap_t *heap) +{ + for (int i = 0; i < VOUT_MAX_SUBPICTURES; i++) { + spu_heap_entry_t *e = &heap->entry[i]; + + e->subpicture = NULL; + e->reject = false; + } +} + +static int SpuHeapPush(spu_heap_t *heap, subpicture_t *subpic) +{ + for (int i = 0; i < VOUT_MAX_SUBPICTURES; i++) { + spu_heap_entry_t *e = &heap->entry[i]; + + if (e->subpicture) + continue; + + e->subpicture = subpic; + e->reject = false; + return VLC_SUCCESS; + } + return VLC_EGENERIC; +} + +static void SpuHeapDeleteAt(spu_heap_t *heap, int index) +{ + spu_heap_entry_t *e = &heap->entry[index]; + + if (e->subpicture) + subpicture_Delete(e->subpicture); + + e->subpicture = NULL; +} + +static int SpuHeapDeleteSubpicture(spu_heap_t *heap, subpicture_t *subpic) +{ + for (int i = 0; i < VOUT_MAX_SUBPICTURES; i++) { + spu_heap_entry_t *e = &heap->entry[i]; + + if (e->subpicture != subpic) + continue; + + SpuHeapDeleteAt(heap, i); + return VLC_SUCCESS; + } + return VLC_EGENERIC; +} + +static void SpuHeapClean(spu_heap_t *heap) +{ + for (int i = 0; i < VOUT_MAX_SUBPICTURES; i++) { + spu_heap_entry_t *e = &heap->entry[i]; + if (e->subpicture) + subpicture_Delete(e->subpicture); + } +} + +struct filter_owner_sys_t { + spu_t *spu; + int channel; +}; + +static void FilterRelease(filter_t *filter) +{ + if (filter->p_module) + module_unneed(filter, filter->p_module); + if (filter->p_owner) + free(filter->p_owner); + + vlc_object_release(filter); +} + +static picture_t *spu_new_video_buffer(filter_t *filter) +{ + const video_format_t *fmt = &filter->fmt_out.video; + + VLC_UNUSED(filter); + return picture_NewFromFormat(fmt); +} +static void spu_del_video_buffer(filter_t *filter, picture_t *picture) +{ + VLC_UNUSED(filter); + picture_Release(picture); +} + +static int spu_get_attachments(filter_t *filter, + input_attachment_t ***attachment_ptr, + int *attachment_count) +{ + spu_t *spu = filter->p_owner->spu; + + int ret = VLC_EGENERIC; + if (spu->p->input) + ret = input_Control((input_thread_t*)spu->p->input, + INPUT_GET_ATTACHMENTS, + attachment_ptr, attachment_count); + return ret; +} + +static filter_t *SpuRenderCreateAndLoadText(spu_t *spu) +{ + filter_t *text = vlc_custom_create(spu, sizeof(*text), + VLC_OBJECT_GENERIC, "spu text"); + if (!text) + return NULL; + + text->p_owner = xmalloc(sizeof(*text->p_owner)); + text->p_owner->spu = spu; + + es_format_Init(&text->fmt_in, VIDEO_ES, 0); + + es_format_Init(&text->fmt_out, VIDEO_ES, 0); + text->fmt_out.video.i_width = + text->fmt_out.video.i_visible_width = 32; + text->fmt_out.video.i_height = + text->fmt_out.video.i_visible_height = 32; + + text->pf_get_attachments = spu_get_attachments; + + vlc_object_attach(text, spu); + text->p_module = module_need(text, "text renderer", "$text-renderer", false); + + /* Create a few variables used for enhanced text rendering */ + var_Create(text, "spu-elapsed", VLC_VAR_TIME); + var_Create(text, "text-rerender", VLC_VAR_BOOL); + var_Create(text, "scale", VLC_VAR_INTEGER); + + return text; +} + +static filter_t *SpuRenderCreateAndLoadScale(vlc_object_t *object, + vlc_fourcc_t src_chroma, + vlc_fourcc_t dst_chroma, + bool require_resize) +{ + filter_t *scale = vlc_custom_create(object, sizeof(*scale), + VLC_OBJECT_GENERIC, "scale"); + if (!scale) + return NULL; + + es_format_Init(&scale->fmt_in, VIDEO_ES, 0); + scale->fmt_in.video.i_chroma = src_chroma; + scale->fmt_in.video.i_width = + scale->fmt_in.video.i_height = 32; + + es_format_Init(&scale->fmt_out, VIDEO_ES, 0); + scale->fmt_out.video.i_chroma = dst_chroma; + scale->fmt_out.video.i_width = + scale->fmt_out.video.i_height = require_resize ? 16 : 32; + + scale->pf_video_buffer_new = spu_new_video_buffer; + scale->pf_video_buffer_del = spu_del_video_buffer; + + vlc_object_attach(scale, object); + scale->p_module = module_need(scale, "video filter2", NULL, false); + + return scale; +} + +static void SpuRenderText(spu_t *spu, bool *rerender_text, + subpicture_region_t *region, + mtime_t render_date) +{ + filter_t *text = spu->p->text; + + assert(region->fmt.i_chroma == VLC_CODEC_TEXT); + + if (!text || !text->p_module) + return; + + /* Setup 3 variables which can be used to render + * time-dependent text (and effects). The first indicates + * the total amount of time the text will be on screen, + * the second the amount of time it has already been on + * screen (can be a negative value as text is layed out + * before it is rendered) and the third is a feedback + * variable from the renderer - if the renderer sets it + * then this particular text is time-dependent, eg. the + * visual progress bar inside the text in karaoke and the + * text needs to be rendered multiple times in order for + * the effect to work - we therefore need to return the + * region to its original state at the end of the loop, + * instead of leaving it in YUVA or YUVP. + * Any renderer which is unaware of how to render + * time-dependent text can happily ignore the variables + * and render the text the same as usual - it should at + * least show up on screen, but the effect won't change + * the text over time. + */ + var_SetTime(text, "spu-elapsed", render_date); + var_SetBool(text, "text-rerender", false); + + if (text->pf_render_html && region->psz_html) + text->pf_render_html(text, region, region); + else if (text->pf_render_text) + text->pf_render_text(text, region, region); + *rerender_text = var_GetBool(text, "text-rerender"); +} + +/** + * A few scale functions helpers. + */ + +#define SCALE_UNIT (1000) +typedef struct { + int w; + int h; +} spu_scale_t; + +static spu_scale_t spu_scale_create(int w, int h) +{ + spu_scale_t s = { .w = w, .h = h }; + if (s.w <= 0) + s.w = SCALE_UNIT; + if (s.h <= 0) + s.h = SCALE_UNIT; + return s; +} +static spu_scale_t spu_scale_unit(void) +{ + return spu_scale_create(SCALE_UNIT, SCALE_UNIT); +} +static spu_scale_t spu_scale_createq(int64_t wn, int64_t wd, int64_t hn, int64_t hd) +{ + return spu_scale_create(wn * SCALE_UNIT / wd, + hn * SCALE_UNIT / hd); +} +static int spu_scale_w(int v, const spu_scale_t s) +{ + return v * s.w / SCALE_UNIT; +} +static int spu_scale_h(int v, const spu_scale_t s) +{ + return v * s.h / SCALE_UNIT; +} +static int spu_invscale_w(int v, const spu_scale_t s) +{ + return v * SCALE_UNIT / s.w; +} +static int spu_invscale_h(int v, const spu_scale_t s) +{ + return v * SCALE_UNIT / s.h; +} + +/** + * A few area functions helpers + */ +typedef struct { + int x; + int y; + int width; + int height; + + spu_scale_t scale; +} spu_area_t; + +static spu_area_t spu_area_create(int x, int y, int w, int h, spu_scale_t s) +{ + spu_area_t a = { .x = x, .y = y, .width = w, .height = h, .scale = s }; + return a; +} +static spu_area_t spu_area_scaled(spu_area_t a) +{ + if (a.scale.w == SCALE_UNIT && a.scale.h == SCALE_UNIT) + return a; + + a.x = spu_scale_w(a.x, a.scale); + a.y = spu_scale_h(a.y, a.scale); + a.width = spu_scale_w(a.width, a.scale); + a.height = spu_scale_h(a.height, a.scale); + + a.scale = spu_scale_unit(); + return a; +} +static spu_area_t spu_area_unscaled(spu_area_t a, spu_scale_t s) +{ + if (a.scale.w == s.w && a.scale.h == s.h) + return a; + + a = spu_area_scaled(a); + + a.x = spu_invscale_w(a.x, s); + a.y = spu_invscale_h(a.y, s); + a.width = spu_invscale_w(a.width, s); + a.height = spu_invscale_h(a.height, s); + + a.scale = s; + return a; +} +static bool spu_area_overlap(spu_area_t a, spu_area_t b) +{ + const int dx = 0; + const int dy = 0; + + a = spu_area_scaled(a); + b = spu_area_scaled(b); + + return __MAX(a.x - dx, b.x) < __MIN(a.x + a.width + dx, b.x + b.width ) && + __MAX(a.y - dy, b.y) < __MIN(a.y + a.height + dy, b.y + b.height); +} + +/** + * Avoid area overlapping + */ +static void SpuAreaFixOverlap(spu_area_t *dst, + const spu_area_t *sub_array, int sub_count, int align) +{ + spu_area_t a = spu_area_scaled(*dst); + bool is_moved = false; + bool is_ok; + + /* Check for overlap + * XXX It is not fast O(n^2) but we should not have a lot of region */ + do { + is_ok = true; + for (int i = 0; i < sub_count; i++) { + spu_area_t sub = spu_area_scaled(sub_array[i]); + + if (!spu_area_overlap(a, sub)) + continue; + + if (align & SUBPICTURE_ALIGN_TOP) { + /* We go down */ + int i_y = sub.y + sub.height; + a.y = i_y; + is_moved = true; + } else if (align & SUBPICTURE_ALIGN_BOTTOM) { + /* We go up */ + int i_y = sub.y - a.height; + a.y = i_y; + is_moved = true; + } else { + /* TODO what to do in this case? */ + //fprintf(stderr, "Overlap with unsupported alignment\n"); + break; + } + + is_ok = false; + break; + } + } while (!is_ok); + + if (is_moved) + *dst = spu_area_unscaled(a, dst->scale); +} + + +static void SpuAreaFitInside(spu_area_t *area, const spu_area_t *boundary) +{ + spu_area_t a = spu_area_scaled(*area); + + const int i_error_x = (a.x + a.width) - boundary->width; + if (i_error_x > 0) + a.x -= i_error_x; + if (a.x < 0) + a.x = 0; + + const int i_error_y = (a.y + a.height) - boundary->height; + if (i_error_y > 0) + a.y -= i_error_y; + if (a.y < 0) + a.y = 0; + + *area = spu_area_unscaled(a, area->scale); +} + +/** + * Place a region + */ +static void SpuRegionPlace(int *x, int *y, + const subpicture_t *subpic, + const subpicture_region_t *region) +{ + assert(region->i_x != INT_MAX && region->i_y != INT_MAX); + if (subpic->b_absolute) { + *x = region->i_x; + *y = region->i_y; + } else { + if (region->i_align & SUBPICTURE_ALIGN_TOP) + *y = region->i_y; + else if (region->i_align & SUBPICTURE_ALIGN_BOTTOM) + *y = subpic->i_original_picture_height - region->fmt.i_height - region->i_y; + else + *y = subpic->i_original_picture_height / 2 - region->fmt.i_height / 2; + + if (region->i_align & SUBPICTURE_ALIGN_LEFT) + *x = region->i_x; + else if (region->i_align & SUBPICTURE_ALIGN_RIGHT) + *x = subpic->i_original_picture_width - region->fmt.i_width - region->i_x; + else + *x = subpic->i_original_picture_width / 2 - region->fmt.i_width / 2; + } +} + +/** + * This function compares two 64 bits integers. + * It can be used by qsort. + */ +static int IntegerCmp(int64_t i0, int64_t i1) +{ + return i0 < i1 ? -1 : i0 > i1 ? 1 : 0; +} +/** + * This function compares 2 subpictures using the following properties + * (ordered by priority) + * 1. absolute positionning + * 2. start time + * 3. creation order (per channel) + * + * It can be used by qsort. + * + * XXX spu_RenderSubpictures depends heavily on this order. + */ +static int SubpictureCmp(const void *s0, const void *s1) +{ + subpicture_t *subpic0 = *(subpicture_t**)s0; + subpicture_t *subpic1 = *(subpicture_t**)s1; + int r; + + r = IntegerCmp(!subpic0->b_absolute, !subpic1->b_absolute); + if (!r) + r = IntegerCmp(subpic0->i_start, subpic1->i_start); + if (!r) + r = IntegerCmp(subpic0->i_channel, subpic1->i_channel); + if (!r) + r = IntegerCmp(subpic0->i_order, subpic1->i_order); + return r; +} + +/***************************************************************************** + * SpuSelectSubpictures: find the subpictures to display + ***************************************************************************** + * This function parses all subpictures and decides which ones need to be + * displayed. If no picture has been selected, display_date will depend on + * the subpicture. + * We also check for ephemer DVD subpictures (subpictures that have + * to be removed if a newer one is available), which makes it a lot + * more difficult to guess if a subpicture has to be rendered or not. + *****************************************************************************/ +static void SpuSelectSubpictures(spu_t *spu, + unsigned int *subpicture_count, + subpicture_t **subpicture_array, + mtime_t render_subtitle_date, + mtime_t render_osd_date, + bool ignore_osd) +{ + spu_private_t *sys = spu->p; + + /* */ + *subpicture_count = 0; + + /* Create a list of channels */ + int channel[VOUT_MAX_SUBPICTURES]; + int channel_count = 0; + + for (int index = 0; index < VOUT_MAX_SUBPICTURES; index++) { + spu_heap_entry_t *entry = &sys->heap.entry[index]; + if (!entry->subpicture || entry->reject) + continue; + const int i_channel = entry->subpicture->i_channel; + int i; + for (i = 0; i < channel_count; i++) { + if (channel[i] == i_channel) + break; + } + if (channel_count <= i) + channel[channel_count++] = i_channel; + } + + /* Fill up the subpicture_array arrays with relevent pictures */ + for (int i = 0; i < channel_count; i++) { + subpicture_t *available_subpic[VOUT_MAX_SUBPICTURES]; + bool is_available_late[VOUT_MAX_SUBPICTURES]; + int available_count = 0; + + mtime_t start_date = render_subtitle_date; + mtime_t ephemer_subtitle_date = 0; + mtime_t ephemer_osd_date = 0; + int64_t ephemer_subtitle_order = INT64_MIN; + int64_t ephemer_system_order = INT64_MIN; + + /* Select available pictures */ + for (int index = 0; index < VOUT_MAX_SUBPICTURES; index++) { + spu_heap_entry_t *entry = &sys->heap.entry[index]; + subpicture_t *current = entry->subpicture; + bool is_stop_valid; + bool is_late; + + if (!current || entry->reject) { + if (entry->reject) + SpuHeapDeleteAt(&sys->heap, index); + continue; + } + + if (current->i_channel != channel[i] || + (ignore_osd && !current->b_subtitle)) + continue; + + const mtime_t render_date = current->b_subtitle ? render_subtitle_date : render_osd_date; + if (render_date && + render_date < current->i_start) { + /* Too early, come back next monday */ + continue; + } + + mtime_t *ephemer_date_ptr = current->b_subtitle ? &ephemer_subtitle_date : &ephemer_osd_date; + int64_t *ephemer_order_ptr = current->b_subtitle ? &ephemer_subtitle_order : &ephemer_system_order; + if (current->i_start >= *ephemer_date_ptr) { + *ephemer_date_ptr = current->i_start; + if (current->i_order > *ephemer_order_ptr) + *ephemer_order_ptr = current->i_order; + } + + is_stop_valid = !current->b_ephemer || current->i_stop > current->i_start; + + is_late = is_stop_valid && current->i_stop <= render_date; + + /* start_date will be used for correct automatic overlap support + * in case picture that should not be displayed anymore (display_time) + * overlap with a picture to be displayed (current->i_start) */ + if (current->b_subtitle && !is_late && !current->b_ephemer) + start_date = current->i_start; + + /* */ + available_subpic[available_count] = current; + is_available_late[available_count] = is_late; + available_count++; + } + + /* Only forced old picture display at the transition */ + if (start_date < sys->last_sort_date) + start_date = sys->last_sort_date; + if (start_date <= 0) + start_date = INT64_MAX; + + /* Select pictures to be displayed */ + for (int index = 0; index < available_count; index++) { + subpicture_t *current = available_subpic[index]; + bool is_late = is_available_late[index]; + + const mtime_t stop_date = current->b_subtitle ? __MAX(start_date, sys->last_sort_date) : render_osd_date; + const mtime_t ephemer_date = current->b_subtitle ? ephemer_subtitle_date : ephemer_osd_date; + const int64_t ephemer_order = current->b_subtitle ? ephemer_subtitle_order : ephemer_system_order; + + /* Destroy late and obsolete ephemer subpictures */ + bool is_rejeted = is_late && current->i_stop <= stop_date; + if (current->b_ephemer) { + if (current->i_start < ephemer_date) + is_rejeted = true; + else if (current->i_start == ephemer_date && + current->i_order < ephemer_order) + is_rejeted = true; + } + + if (is_rejeted) + SpuHeapDeleteSubpicture(&sys->heap, current); + else + subpicture_array[(*subpicture_count)++] = current; + } + } + + sys->last_sort_date = render_subtitle_date; +} + + + +/** + * It will transform the provided region into another region suitable for rendering. + */ +static void SpuRenderRegion(spu_t *spu, + subpicture_region_t **dst_ptr, spu_area_t *dst_area, + subpicture_t *subpic, subpicture_region_t *region, + const spu_scale_t scale_size, + const vlc_fourcc_t *chroma_list, + const video_format_t *fmt, + const spu_area_t *subtitle_area, int subtitle_area_count, + mtime_t render_date) +{ + spu_private_t *sys = spu->p; + + video_format_t fmt_original = region->fmt; + bool restore_text = false; + int x_offset; + int y_offset; + + video_format_t region_fmt; + picture_t *region_picture; + + /* Invalidate area by default */ + *dst_area = spu_area_create(0,0, 0,0, scale_size); + *dst_ptr = NULL; + + /* Render text region */ + if (region->fmt.i_chroma == VLC_CODEC_TEXT) { + SpuRenderText(spu, &restore_text, region, + render_date); + + /* Check if the rendering has failed ... */ + if (region->fmt.i_chroma == VLC_CODEC_TEXT) + goto exit; + } + + /* Force palette if requested + * FIXME b_force_palette and force_crop are applied to all subpictures using palette + * instead of only the right one (being the dvd spu). + */ + const bool using_palette = region->fmt.i_chroma == VLC_CODEC_YUVP; + const bool force_palette = using_palette && sys->force_palette; + const bool force_crop = force_palette && sys->force_crop; + bool changed_palette = false; + + /* Compute the margin which is expressed in destination pixel unit + * The margin is applied only to subtitle and when no forced crop is + * requested (dvd menu) */ + int y_margin = 0; + if (!force_crop && subpic->b_subtitle) + y_margin = spu_invscale_h(sys->margin, scale_size); + + /* Place the picture + * We compute the position in the rendered size */ + SpuRegionPlace(&x_offset, &y_offset, + subpic, region); + + /* Save this position for subtitle overlap support + * it is really important that there are given without scale_size applied */ + *dst_area = spu_area_create(x_offset, y_offset, + region->fmt.i_width, region->fmt.i_height, + scale_size); + + /* Handle overlapping subtitles when possible */ + if (subpic->b_subtitle && !subpic->b_absolute) + SpuAreaFixOverlap(dst_area, subtitle_area, subtitle_area_count, + region->i_align); + + /* we copy the area: for the subtitle overlap support we want + * to only save the area without margin applied */ + spu_area_t restrained = *dst_area; + + /* apply margin to subtitles and correct if they go over the picture edge */ + if (subpic->b_subtitle) + restrained.y -= y_margin; + + spu_area_t display = spu_area_create(0, 0, fmt->i_width, fmt->i_height, + spu_scale_unit()); + SpuAreaFitInside(&restrained, &display); + + /* Fix the position for the current scale_size */ + x_offset = spu_scale_w(restrained.x, restrained.scale); + y_offset = spu_scale_h(restrained.y, restrained.scale); + + /* */ + if (force_palette) { + video_palette_t *old_palette = region->fmt.p_palette; + video_palette_t new_palette; + + /* We suppose DVD palette here */ + new_palette.i_entries = 4; + for (int i = 0; i < 4; i++) + for (int j = 0; j < 4; j++) + new_palette.palette[i][j] = sys->palette[i][j]; + + if (old_palette->i_entries == new_palette.i_entries) { + for (int i = 0; i < old_palette->i_entries; i++) + for (int j = 0; j < 4; j++) + changed_palette |= old_palette->palette[i][j] != new_palette.palette[i][j]; + } else { + changed_palette = true; + } + *old_palette = new_palette; + } + + /* */ + region_fmt = region->fmt; + region_picture = region->p_picture; + + bool convert_chroma = true; + for (int i = 0; chroma_list[i] && convert_chroma; i++) { + if (region_fmt.i_chroma == chroma_list[i]) + convert_chroma = false; + } + + /* Scale from rendered size to destination size */ + if (sys->scale && sys->scale->p_module && + (!using_palette || (sys->scale_yuvp && sys->scale_yuvp->p_module)) && + (scale_size.w != SCALE_UNIT || scale_size.h != SCALE_UNIT || + using_palette || convert_chroma)) { + const unsigned dst_width = spu_scale_w(region->fmt.i_width, scale_size); + const unsigned dst_height = spu_scale_h(region->fmt.i_height, scale_size); + + /* Destroy the cache if unusable */ + if (region->p_private) { + subpicture_region_private_t *private = region->p_private; + bool is_changed = false; + + /* Check resize changes */ + if (dst_width != private->fmt.i_width || + dst_height != private->fmt.i_height) + is_changed = true; + + /* Check forced palette changes */ + if (changed_palette) + is_changed = true; + + if (convert_chroma && private->fmt.i_chroma != chroma_list[0]) + is_changed = true; + + if (is_changed) { + subpicture_region_private_Delete(private); + region->p_private = NULL; + } + } + + /* Scale if needed into cache */ + if (!region->p_private && dst_width > 0 && dst_height > 0) { + filter_t *scale = sys->scale; + + picture_t *picture = region->p_picture; + picture_Hold(picture); + + /* Convert YUVP to YUVA/RGBA first for better scaling quality */ + if (using_palette) { + filter_t *scale_yuvp = sys->scale_yuvp; + + scale_yuvp->fmt_in.video = region->fmt; + + scale_yuvp->fmt_out.video = region->fmt; + scale_yuvp->fmt_out.video.i_chroma = chroma_list[0]; + + picture = scale_yuvp->pf_video_filter(scale_yuvp, picture); + if (!picture) { + /* Well we will try conversion+scaling */ + msg_Warn(spu, "%4.4s to %4.4s conversion failed", + (const char*)&scale_yuvp->fmt_in.video.i_chroma, + (const char*)&scale_yuvp->fmt_out.video.i_chroma); + } + } + + /* Conversion(except from YUVP)/Scaling */ + if (picture && + (picture->format.i_width != dst_width || + picture->format.i_height != dst_height || + (convert_chroma && !using_palette))) + { + scale->fmt_in.video = picture->format; + scale->fmt_out.video = picture->format; + if (convert_chroma) + scale->fmt_out.i_codec = + scale->fmt_out.video.i_chroma = chroma_list[0]; + + scale->fmt_out.video.i_width = dst_width; + scale->fmt_out.video.i_height = dst_height; + + scale->fmt_out.video.i_visible_width = + spu_scale_w(region->fmt.i_visible_width, scale_size); + scale->fmt_out.video.i_visible_height = + spu_scale_h(region->fmt.i_visible_height, scale_size); + + picture = scale->pf_video_filter(scale, picture); + if (!picture) + msg_Err(spu, "scaling failed"); + } + + /* */ + if (picture) { + region->p_private = subpicture_region_private_New(&picture->format); + if (region->p_private) { + region->p_private->p_picture = picture; + if (!region->p_private->p_picture) { + subpicture_region_private_Delete(region->p_private); + region->p_private = NULL; + } + } else { + picture_Release(picture); + } + } + } + + /* And use the scaled picture */ + if (region->p_private) { + region_fmt = region->p_private->fmt; + region_picture = region->p_private->p_picture; + } + } + + /* Force cropping if requested */ + if (force_crop) { + int crop_x = spu_scale_w(sys->crop.x, scale_size); + int crop_y = spu_scale_h(sys->crop.y, scale_size); + int crop_width = spu_scale_w(sys->crop.width, scale_size); + int crop_height= spu_scale_h(sys->crop.height,scale_size); + + /* Find the intersection */ + if (crop_x + crop_width <= x_offset || + x_offset + (int)region_fmt.i_visible_width < crop_x || + crop_y + crop_height <= y_offset || + y_offset + (int)region_fmt.i_visible_height < crop_y) { + /* No intersection */ + region_fmt.i_visible_width = + region_fmt.i_visible_height = 0; + } else { + int x, y, x_end, y_end; + x = __MAX(crop_x, x_offset); + y = __MAX(crop_y, y_offset); + x_end = __MIN(crop_x + crop_width, + x_offset + (int)region_fmt.i_visible_width); + y_end = __MIN(crop_y + crop_height, + y_offset + (int)region_fmt.i_visible_height); + + region_fmt.i_x_offset = x - x_offset; + region_fmt.i_y_offset = y - y_offset; + region_fmt.i_visible_width = x_end - x; + region_fmt.i_visible_height = y_end - y; + + x_offset = __MAX(x, 0); + y_offset = __MAX(y, 0); + } + } + + subpicture_region_t *dst = *dst_ptr = subpicture_region_New(®ion_fmt); + if (dst) { + dst->i_x = x_offset; + dst->i_y = y_offset; + dst->i_align = 0; + if (dst->p_picture) + picture_Release(dst->p_picture); + dst->p_picture = picture_Hold(region_picture); + int fade_alpha = 255; + if (subpic->b_fade) { + mtime_t fade_start = (subpic->i_stop + subpic->i_start) / 2; + + if (fade_start <= render_date && fade_start < subpic->i_stop) + fade_alpha = 255 * (subpic->i_stop - render_date) / + (subpic->i_stop - fade_start); + } + dst->i_alpha = fade_alpha * subpic->i_alpha * region->i_alpha / 65025; + } + +exit: + if (restore_text) { + /* Some forms of subtitles need to be re-rendered more than + * once, eg. karaoke. We therefore restore the region to its + * pre-rendered state, so the next time through everything is + * calculated again. + */ + if (region->p_picture) { + picture_Release(region->p_picture); + region->p_picture = NULL; + } + if (region->p_private) { + subpicture_region_private_Delete(region->p_private); + region->p_private = NULL; + } + region->fmt = fmt_original; + } +} + +/** + * This function renders all sub picture units in the list. + */ +static subpicture_t *SpuRenderSubpictures(spu_t *spu, + unsigned int i_subpicture, + subpicture_t **pp_subpicture, + const vlc_fourcc_t *chroma_list, + const video_format_t *fmt_dst, + const video_format_t *fmt_src, + mtime_t render_subtitle_date, + mtime_t render_osd_date) +{ + spu_private_t *sys = spu->p; + + /* Count the number of regions and subtitle regions */ + unsigned int subtitle_region_count = 0; + unsigned int region_count = 0; + for (unsigned i = 0; i < i_subpicture; i++) { + const subpicture_t *subpic = pp_subpicture[i]; + + unsigned count = 0; + for (subpicture_region_t *r = subpic->p_region; r != NULL; r = r->p_next) + count++; + + if (subpic->b_subtitle) + subtitle_region_count += count; + region_count += count; + } + if (region_count <= 0) + return NULL; + + /* Create the output subpicture */ + subpicture_t *output = subpicture_New(NULL); + if (!output) + return NULL; + output->i_original_picture_width = fmt_dst->i_width; + output->i_original_picture_height = fmt_dst->i_height; + subpicture_region_t **output_last_ptr = &output->p_region; + + /* Allocate area array for subtitle overlap */ + spu_area_t subtitle_area_buffer[VOUT_MAX_SUBPICTURES]; + spu_area_t *subtitle_area; + int subtitle_area_count; + + subtitle_area_count = 0; + subtitle_area = subtitle_area_buffer; + if (subtitle_region_count > sizeof(subtitle_area_buffer)/sizeof(*subtitle_area_buffer)) + subtitle_area = calloc(subtitle_region_count, sizeof(*subtitle_area)); + + /* Process all subpictures and regions (in the right order) */ + for (unsigned int index = 0; index < i_subpicture; index++) { + subpicture_t *subpic = pp_subpicture[index]; + subpicture_region_t *region; + + if (!subpic->p_region) + continue; + + if (subpic->i_original_picture_width <= 0 || + subpic->i_original_picture_height <= 0) { + if (subpic->i_original_picture_width > 0 || + subpic->i_original_picture_height > 0) + msg_Err(spu, "original picture size %dx%d is unsupported", + subpic->i_original_picture_width, + subpic->i_original_picture_height); + else + msg_Warn(spu, "original picture size is undefined"); + + subpic->i_original_picture_width = fmt_src->i_width; + subpic->i_original_picture_height = fmt_src->i_height; + } + + if (sys->text) { + /* FIXME aspect ratio ? */ + sys->text->fmt_out.video.i_width = + sys->text->fmt_out.video.i_visible_width = subpic->i_original_picture_width; + + sys->text->fmt_out.video.i_height = + sys->text->fmt_out.video.i_visible_height = subpic->i_original_picture_height; + + var_SetInteger(sys->text, "scale", SCALE_UNIT); + } + + /* Render all regions + * We always transform non absolute subtitle into absolute one on the + * first rendering to allow good subtitle overlap support. + */ + for (region = subpic->p_region; region != NULL; region = region->p_next) { + spu_area_t area; + + /* Compute region scale AR */ + video_format_t region_fmt = region->fmt; + if (region_fmt.i_sar_num <= 0 || region_fmt.i_sar_den <= 0) { + region_fmt.i_sar_num = fmt_src->i_sar_num; + region_fmt.i_sar_den = fmt_src->i_sar_den; + } + + /* Compute scaling from original size to destination size + * FIXME The current scaling ensure that the heights match, the width being + * cropped. + */ + spu_scale_t scale = spu_scale_createq((int64_t)fmt_dst->i_height * fmt_dst->i_sar_den * region_fmt.i_sar_num, + (int64_t)subpic->i_original_picture_height * fmt_dst->i_sar_num * region_fmt.i_sar_den, + fmt_dst->i_height, + subpic->i_original_picture_height); + + /* Check scale validity */ + if (scale.w <= 0 || scale.h <= 0) + continue; + + /* */ + SpuRenderRegion(spu, output_last_ptr, &area, + subpic, region, scale, + chroma_list, fmt_dst, + subtitle_area, subtitle_area_count, + subpic->b_subtitle ? render_subtitle_date : render_osd_date); + if (*output_last_ptr) + output_last_ptr = &(*output_last_ptr)->p_next; + + if (subpic->b_subtitle) { + area = spu_area_unscaled(area, scale); + if (!subpic->b_absolute && area.width > 0 && area.height > 0) { + region->i_x = area.x; + region->i_y = area.y; + } + if (subtitle_area) + subtitle_area[subtitle_area_count++] = area; + } + } + if (subpic->b_subtitle && subpic->p_region) + subpic->b_absolute = true; + } + + /* */ + if (subtitle_area != subtitle_area_buffer) + free(subtitle_area); + + return output; +} + +/***************************************************************************** + * Object variables callbacks + *****************************************************************************/ + +/***************************************************************************** + * UpdateSPU: update subpicture settings + ***************************************************************************** + * This function is called from CropCallback and at initialization time, to + * retrieve crop information from the input. + *****************************************************************************/ +static void UpdateSPU(spu_t *spu, vlc_object_t *object) +{ + spu_private_t *sys = spu->p; + vlc_value_t val; + + vlc_mutex_lock(&sys->lock); + + sys->force_palette = false; + sys->force_crop = false; + + if (var_Get(object, "highlight", &val) || !val.b_bool) { + vlc_mutex_unlock(&sys->lock); + return; + } + + sys->force_crop = true; + sys->crop.x = var_GetInteger(object, "x-start"); + sys->crop.y = var_GetInteger(object, "y-start"); + sys->crop.width = var_GetInteger(object, "x-end") - sys->crop.x; + sys->crop.height = var_GetInteger(object, "y-end") - sys->crop.y; + + if (var_Get(object, "menu-palette", &val) == VLC_SUCCESS) { + memcpy(sys->palette, val.p_address, 16); + sys->force_palette = true; + } + vlc_mutex_unlock(&sys->lock); + + msg_Dbg(object, "crop: %i,%i,%i,%i, palette forced: %i", + sys->crop.x, sys->crop.y, + sys->crop.width, sys->crop.height, + sys->force_palette); +} + +/***************************************************************************** + * CropCallback: called when the highlight properties are changed + ***************************************************************************** + * This callback is called from the input thread when we need cropping + *****************************************************************************/ +static int CropCallback(vlc_object_t *object, char const *var, + vlc_value_t oldval, vlc_value_t newval, void *data) +{ + VLC_UNUSED(oldval); VLC_UNUSED(newval); VLC_UNUSED(var); + + UpdateSPU((spu_t *)data, object); + return VLC_SUCCESS; +} + +/***************************************************************************** + * Buffers allocation callbacks for the filters + *****************************************************************************/ + +static subpicture_t *sub_new_buffer(filter_t *filter) +{ + filter_owner_sys_t *sys = filter->p_owner; + + subpicture_t *subpicture = subpicture_New(NULL); + if (subpicture) + subpicture->i_channel = sys->channel; + return subpicture; +} +static void sub_del_buffer(filter_t *filter, subpicture_t *subpic) +{ + VLC_UNUSED(filter); + subpicture_Delete(subpic); +} + +static int SubSourceAllocationInit(filter_t *filter, void *data) +{ + spu_t *spu = data; + + filter_owner_sys_t *sys = malloc(sizeof(*sys)); + if (!sys) + return VLC_EGENERIC; + + filter->pf_sub_buffer_new = sub_new_buffer; + filter->pf_sub_buffer_del = sub_del_buffer; + + filter->p_owner = sys; + sys->channel = spu_RegisterChannel(spu); + sys->spu = spu; + + return VLC_SUCCESS; +} + +static void SubSourceAllocationClean(filter_t *filter) +{ + filter_owner_sys_t *sys = filter->p_owner; + + spu_ClearChannel(sys->spu, sys->channel); + free(filter->p_owner); +} + +/***************************************************************************** + * Public API + *****************************************************************************/ + +#undef spu_Create +/** + * Creates the subpicture unit + * + * \param p_this the parent object which creates the subpicture unit + */ +spu_t *spu_Create(vlc_object_t *object) +{ + spu_t *spu = vlc_custom_create(object, sizeof(spu_t) + sizeof(spu_private_t), + VLC_OBJECT_GENERIC, "subpicture"); + if (!spu) + return NULL; + vlc_object_attach(spu, object); + + /* Initialize spu fields */ + spu_private_t *sys = spu->p = (spu_private_t*)&spu[1]; + + /* Initialize private fields */ + vlc_mutex_init(&sys->lock); + + SpuHeapInit(&sys->heap); + + sys->text = NULL; + sys->scale = NULL; + sys->scale_yuvp = NULL; + + sys->margin = var_InheritInteger(spu, "sub-margin"); + + /* Register the default subpicture channel */ + sys->channel = SPU_DEFAULT_CHANNEL + 1; + + sys->source_chain_update = NULL; + sys->filter_chain_update = NULL; + vlc_mutex_init(&sys->source_chain_lock); + vlc_mutex_init(&sys->filter_chain_lock); + sys->source_chain = filter_chain_New(spu, "sub source", false, + SubSourceAllocationInit, + SubSourceAllocationClean, + spu); + sys->filter_chain = filter_chain_New(spu, "sub filter", false, + NULL, + NULL, + spu); + + /* Load text and scale module */ + sys->text = SpuRenderCreateAndLoadText(spu); + + /* XXX spu->p_scale is used for all conversion/scaling except yuvp to + * yuva/rgba */ + sys->scale = SpuRenderCreateAndLoadScale(VLC_OBJECT(spu), + VLC_CODEC_YUVA, VLC_CODEC_RGBA, true); + + /* This one is used for YUVP to YUVA/RGBA without scaling + * FIXME rename it */ + sys->scale_yuvp = SpuRenderCreateAndLoadScale(VLC_OBJECT(spu), + VLC_CODEC_YUVP, VLC_CODEC_YUVA, false); + + /* */ + sys->last_sort_date = -1; + + return spu; +} + +/** + * Destroy the subpicture unit + * + * \param p_this the parent object which destroys the subpicture unit + */ +void spu_Destroy(spu_t *spu) +{ + spu_private_t *sys = spu->p; + + if (sys->text) + FilterRelease(sys->text); + + if (sys->scale_yuvp) + FilterRelease(sys->scale_yuvp); + + if (sys->scale) + FilterRelease(sys->scale); + + filter_chain_Delete(sys->source_chain); + filter_chain_Delete(sys->filter_chain); + vlc_mutex_destroy(&sys->source_chain_lock); + vlc_mutex_destroy(&sys->filter_chain_lock); + free(sys->source_chain_update); + free(sys->filter_chain_update); + + /* Destroy all remaining subpictures */ + SpuHeapClean(&sys->heap); + + vlc_mutex_destroy(&sys->lock); + + vlc_object_release(spu); +} + +/** + * Attach/Detach the SPU from any input + * + * \param p_this the object in which to destroy the subpicture unit + * \param b_attach to select attach or detach + */ +void spu_Attach(spu_t *spu, vlc_object_t *input, bool attach) +{ + if (attach) { + UpdateSPU(spu, input); + var_Create(input, "highlight", VLC_VAR_BOOL); + var_AddCallback(input, "highlight", CropCallback, spu); + + vlc_mutex_lock(&spu->p->lock); + spu->p->input = input; + + if (spu->p->text) + FilterRelease(spu->p->text); + spu->p->text = SpuRenderCreateAndLoadText(spu); + + vlc_mutex_unlock(&spu->p->lock); + } else { + vlc_mutex_lock(&spu->p->lock); + spu->p->input = NULL; + vlc_mutex_unlock(&spu->p->lock); + + /* Delete callbacks */ + var_DelCallback(input, "highlight", CropCallback, spu); + var_Destroy(input, "highlight"); + } +} + +/** + * Inform the SPU filters of mouse event + */ +int spu_ProcessMouse(spu_t *spu, + const vlc_mouse_t *mouse, + const video_format_t *fmt) +{ + spu_private_t *sys = spu->p; + + vlc_mutex_lock(&sys->source_chain_lock); + filter_chain_MouseEvent(sys->source_chain, mouse, fmt); + vlc_mutex_unlock(&sys->source_chain_lock); + + return VLC_SUCCESS; +} + +/** + * Display a subpicture + * + * Remove the reservation flag of a subpicture, which will cause it to be + * ready for display. + * \param spu the subpicture unit object + * \param subpic the subpicture to display + */ +void spu_PutSubpicture(spu_t *spu, subpicture_t *subpic) +{ + spu_private_t *sys = spu->p; + + /* Update sub-filter chain */ + vlc_mutex_lock(&sys->lock); + char *chain_update = sys->filter_chain_update; + sys->filter_chain_update = NULL; + vlc_mutex_unlock(&sys->lock); + + bool is_left_empty = false; + + vlc_mutex_lock(&sys->filter_chain_lock); + if (chain_update) { + filter_chain_Reset(sys->filter_chain, NULL, NULL); + + filter_chain_AppendFromString(spu->p->filter_chain, chain_update); + + /* "sub-source" was formerly "sub-filter", so now the "sub-filter" + configuration may contain sub-filters or sub-sources configurations. + if the filters chain was left empty it may indicate that it's a sub-source configuration */ + is_left_empty = (filter_chain_GetLength(spu->p->filter_chain) == 0); + } + vlc_mutex_unlock(&sys->filter_chain_lock); + + + if (is_left_empty) { + /* try to use the configuration as a sub-source configuration */ + + vlc_mutex_lock(&sys->lock); + if (!sys->source_chain_update || !*sys->source_chain_update) { + free(sys->source_chain_update); + sys->source_chain_update = chain_update; + chain_update = NULL; + } + vlc_mutex_unlock(&sys->lock); + } + + free(chain_update); + + /* Run filter chain on the new subpicture */ + subpic = filter_chain_SubFilter(spu->p->filter_chain, subpic); + if (!subpic) + return; + + /* SPU_DEFAULT_CHANNEL always reset itself */ + if (subpic->i_channel == SPU_DEFAULT_CHANNEL) + spu_ClearChannel(spu, SPU_DEFAULT_CHANNEL); + + /* p_private is for spu only and cannot be non NULL here */ + for (subpicture_region_t *r = subpic->p_region; r != NULL; r = r->p_next) + assert(r->p_private == NULL); + + /* */ + vlc_mutex_lock(&sys->lock); + if (SpuHeapPush(&sys->heap, subpic)) { + vlc_mutex_unlock(&sys->lock); + msg_Err(spu, "subpicture heap full"); + subpicture_Delete(subpic); + return; + } + vlc_mutex_unlock(&sys->lock); +} + +subpicture_t *spu_Render(spu_t *spu, + const vlc_fourcc_t *chroma_list, + const video_format_t *fmt_dst, + const video_format_t *fmt_src, + mtime_t render_subtitle_date, + mtime_t render_osd_date, + bool ignore_osd) +{ + spu_private_t *sys = spu->p; + + /* Update sub-source chain */ + vlc_mutex_lock(&sys->lock); + char *chain_update = sys->source_chain_update; + sys->source_chain_update = NULL; + vlc_mutex_unlock(&sys->lock); + + vlc_mutex_lock(&sys->source_chain_lock); + if (chain_update) { + filter_chain_Reset(sys->source_chain, NULL, NULL); + + filter_chain_AppendFromString(spu->p->source_chain, chain_update); + + free(chain_update); + } + /* Run subpicture sources */ + filter_chain_SubSource(sys->source_chain, render_osd_date); + vlc_mutex_unlock(&sys->source_chain_lock); + + static const vlc_fourcc_t chroma_list_default_yuv[] = { + VLC_CODEC_YUVA, + VLC_CODEC_RGBA, + VLC_CODEC_YUVP, + 0, + }; + static const vlc_fourcc_t chroma_list_default_rgb[] = { + VLC_CODEC_RGBA, + VLC_CODEC_YUVA, + VLC_CODEC_YUVP, + 0, + }; + + if (!chroma_list || *chroma_list == 0) + chroma_list = vlc_fourcc_IsYUV(fmt_dst->i_chroma) ? chroma_list_default_yuv + : chroma_list_default_rgb; + + vlc_mutex_lock(&sys->lock); + + unsigned int subpicture_count; + subpicture_t *subpicture_array[VOUT_MAX_SUBPICTURES]; + + /* Get an array of subpictures to render */ + SpuSelectSubpictures(spu, &subpicture_count, subpicture_array, + render_subtitle_date, render_osd_date, ignore_osd); + if (subpicture_count <= 0) { + vlc_mutex_unlock(&sys->lock); + return NULL; + } + + /* Updates the subpictures */ + for (unsigned i = 0; i < subpicture_count; i++) { + subpicture_t *subpic = subpicture_array[i]; + subpicture_Update(subpic, + fmt_src, fmt_dst, + subpic->b_subtitle ? render_subtitle_date : render_osd_date); + } + + /* Now order the subpicture array + * XXX The order is *really* important for overlap subtitles positionning */ + qsort(subpicture_array, subpicture_count, sizeof(*subpicture_array), SubpictureCmp); + + /* Render the subpictures */ + subpicture_t *render = SpuRenderSubpictures(spu, + subpicture_count, subpicture_array, + chroma_list, + fmt_dst, + fmt_src, + render_subtitle_date, + render_osd_date); + vlc_mutex_unlock(&sys->lock); + + return render; +} + +void spu_OffsetSubtitleDate(spu_t *spu, mtime_t duration) +{ + spu_private_t *sys = spu->p; + + vlc_mutex_lock(&sys->lock); + for (int i = 0; i < VOUT_MAX_SUBPICTURES; i++) { + spu_heap_entry_t *entry = &sys->heap.entry[i]; + subpicture_t *current = entry->subpicture; + + if (current && current->b_subtitle) { + if (current->i_start > 0) + current->i_start += duration; + if (current->i_stop > 0) + current->i_stop += duration; + } + } + vlc_mutex_unlock(&sys->lock); +} + +int spu_RegisterChannel(spu_t *spu) +{ + spu_private_t *sys = spu->p; + + vlc_mutex_lock(&sys->lock); + int channel = sys->channel++; + vlc_mutex_unlock(&sys->lock); + + return channel; +} + +void spu_ClearChannel(spu_t *spu, int channel) +{ + spu_private_t *sys = spu->p; + + vlc_mutex_lock(&sys->lock); + + for (int i = 0; i < VOUT_MAX_SUBPICTURES; i++) { + spu_heap_entry_t *entry = &sys->heap.entry[i]; + subpicture_t *subpic = entry->subpicture; + + if (!subpic) + continue; + if (subpic->i_channel != channel && (channel != -1 || subpic->i_channel == SPU_DEFAULT_CHANNEL)) + continue; + + /* You cannot delete subpicture outside of spu_SortSubpictures */ + entry->reject = true; + } + + vlc_mutex_unlock(&sys->lock); +} + +void spu_ChangeSources(spu_t *spu, const char *filters) +{ + spu_private_t *sys = spu->p; + + vlc_mutex_lock(&sys->lock); + + free(sys->source_chain_update); + sys->source_chain_update = strdup(filters); + + vlc_mutex_unlock(&sys->lock); +} + +void spu_ChangeFilters(spu_t *spu, const char *filters) +{ + spu_private_t *sys = spu->p; + + vlc_mutex_lock(&sys->lock); + + free(sys->filter_chain_update); + sys->filter_chain_update = strdup(filters); + + vlc_mutex_unlock(&sys->lock); +} + +void spu_ChangeMargin(spu_t *spu, int margin) +{ + spu_private_t *sys = spu->p; + + vlc_mutex_lock(&sys->lock); + sys->margin = margin; + vlc_mutex_unlock(&sys->lock); +} + -- 2.11.4.GIT