libmpcodecs/vd.c

   1 /*
   2  * This file is part of MPlayer.
   3  *
   4  * MPlayer is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * MPlayer is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22
  23 #include "config.h"
  24 #include "mp_msg.h"
  25 #include "options.h"
  26
  27 #include "codec-cfg.h"
  28
  29 #include "img_format.h"
  30
  31 #include "stream/stream.h"
  32 #include "libmpdemux/demuxer.h"
  33 #include "libmpdemux/stheader.h"
  34 #include "dec_video.h"
  35
  36 #include "vd.h"
  37 #include "vf.h"
  38
  39 extern const vd_functions_t mpcodecs_vd_null;
  40 extern const vd_functions_t mpcodecs_vd_ffmpeg;
  41 extern const vd_functions_t mpcodecs_vd_theora;
  42 extern const vd_functions_t mpcodecs_vd_dshow;
  43 extern const vd_functions_t mpcodecs_vd_dmo;
  44 extern const vd_functions_t mpcodecs_vd_vfw;
  45 extern const vd_functions_t mpcodecs_vd_vfwex;
  46 extern const vd_functions_t mpcodecs_vd_raw;
  47 extern const vd_functions_t mpcodecs_vd_hmblck;
  48 extern const vd_functions_t mpcodecs_vd_xanim;
  49 extern const vd_functions_t mpcodecs_vd_mpng;
  50 extern const vd_functions_t mpcodecs_vd_ijpg;
  51 extern const vd_functions_t mpcodecs_vd_mtga;
  52 extern const vd_functions_t mpcodecs_vd_sgi;
  53 extern const vd_functions_t mpcodecs_vd_libmpeg2;
  54 extern const vd_functions_t mpcodecs_vd_mpegpes;
  55 extern const vd_functions_t mpcodecs_vd_zrmjpeg;
  56 extern const vd_functions_t mpcodecs_vd_realvid;
  57 extern const vd_functions_t mpcodecs_vd_xvid;
  58 extern const vd_functions_t mpcodecs_vd_libdv;
  59 extern const vd_functions_t mpcodecs_vd_lzo;
  60 extern const vd_functions_t mpcodecs_vd_qtvideo;
  61
  62 /* Please do not add any new decoders here. If you want to implement a new
  63  * decoder, add it to libavcodec, except for wrappers around external
  64  * libraries and decoders requiring binary support. */
  65
  66 const vd_functions_t * const mpcodecs_vd_drivers[] = {
  67     &mpcodecs_vd_null,
  68 #ifdef CONFIG_LIBAVCODEC
  69     &mpcodecs_vd_ffmpeg,
  70 #endif
  71 #ifdef CONFIG_OGGTHEORA
  72     &mpcodecs_vd_theora,
  73 #endif
  74 #ifdef CONFIG_WIN32DLL
  75     &mpcodecs_vd_dshow,
  76     &mpcodecs_vd_dmo,
  77     &mpcodecs_vd_vfw,
  78     &mpcodecs_vd_vfwex,
  79 #endif
  80     &mpcodecs_vd_lzo,
  81     &mpcodecs_vd_raw,
  82     &mpcodecs_vd_hmblck,
  83 #ifdef CONFIG_XANIM
  84     &mpcodecs_vd_xanim,
  85 #endif
  86 #ifdef CONFIG_PNG
  87     &mpcodecs_vd_mpng,
  88 #endif
  89 #ifdef CONFIG_JPEG
  90     &mpcodecs_vd_ijpg,
  91 #endif
  92     &mpcodecs_vd_mtga,
  93     &mpcodecs_vd_sgi,
  94 #ifdef CONFIG_LIBMPEG2
  95     &mpcodecs_vd_libmpeg2,
  96 #endif
  97     &mpcodecs_vd_mpegpes,
  98 #ifdef CONFIG_ZR
  99     &mpcodecs_vd_zrmjpeg,
 100 #endif
 101 #ifdef CONFIG_REALCODECS
 102     &mpcodecs_vd_realvid,
 103 #endif
 104 #ifdef CONFIG_XVID4
 105     &mpcodecs_vd_xvid,
 106 #endif
 107 #ifdef CONFIG_LIBDV095
 108     &mpcodecs_vd_libdv,
 109 #endif
 110 #ifdef CONFIG_QTX_CODECS
 111     &mpcodecs_vd_qtvideo,
 112 #endif
 113     /* Please do not add any new decoders here. If you want to implement a new
 114      * decoder, add it to libavcodec, except for wrappers around external
 115      * libraries and decoders requiring binary support. */
 116     NULL
 117 };
 118
 119 #include "libvo/video_out.h"
 120
 121 int mpcodecs_config_vo(sh_video_t *sh, int w, int h,
 122                        unsigned int preferred_outfmt)
 123 {
 124     struct MPOpts *opts = sh->opts;
 125     int i, j;
 126     unsigned int out_fmt = 0;
 127     int screen_size_x = 0;
 128     int screen_size_y = 0;
 129     vf_instance_t *vf = sh->vfilter, *sc = NULL;
 130     int palette = 0;
 131     int vocfg_flags = 0;
 132
 133     if (w)
 134         sh->disp_w = w;
 135     if (h)
 136         sh->disp_h = h;
 137
 138     if (!sh->disp_w || !sh->disp_h)
 139         return 0;
 140
 141     mp_msg(MSGT_DECVIDEO, MSGL_V,
 142            "VDec: vo config request - %d x %d (preferred colorspace: %s)\n",
 143            w, h, vo_format_name(preferred_outfmt));
 144
 145     if (get_video_quality_max(sh) <= 0 && divx_quality) {
 146         // user wants postprocess but no pp filter yet:
 147         sh->vfilter = vf = vf_open_filter(opts, vf, "pp", NULL);
 148     }
 149     // check if libvo and codec has common outfmt (no conversion):
 150   csp_again:
 151
 152     if (mp_msg_test(MSGT_DECVIDEO, MSGL_V)) {
 153         vf_instance_t *f = vf;
 154         mp_msg(MSGT_DECVIDEO, MSGL_V, "Trying filter chain:");
 155         for (f = vf; f; f = f->next)
 156             mp_msg(MSGT_DECVIDEO, MSGL_V, " %s", f->info->name);
 157         mp_msg(MSGT_DECVIDEO, MSGL_V, "\n");
 158     }
 159
 160     j = -1;
 161     for (i = 0; i < CODECS_MAX_OUTFMT; i++) {
 162         int flags;
 163         out_fmt = sh->codec->outfmt[i];
 164         if (out_fmt == (unsigned int) 0xFFFFFFFF)
 165             continue;
 166         flags = vf->query_format(vf, out_fmt);
 167         mp_msg(MSGT_CPLAYER, MSGL_DBG2,
 168                "vo_debug: query(%s) returned 0x%X (i=%d) \n",
 169                vo_format_name(out_fmt), flags, i);
 170         if ((flags & VFCAP_CSP_SUPPORTED_BY_HW)
 171             || (flags & VFCAP_CSP_SUPPORTED && j < 0)) {
 172             // check (query) if codec really support this outfmt...
 173             sh->outfmtidx = j; // pass index to the control() function this way
 174             if (sh->vd_driver->control(sh, VDCTRL_QUERY_FORMAT, &out_fmt) ==
 175                 CONTROL_FALSE) {
 176                 mp_msg(MSGT_CPLAYER, MSGL_DBG2,
 177                        "vo_debug: codec query_format(%s) returned FALSE\n",
 178                        vo_format_name(out_fmt));
 179                 continue;
 180             }
 181             j = i;
 182             sh->output_flags = flags;
 183             if (flags & VFCAP_CSP_SUPPORTED_BY_HW)
 184                 break;
 185         } else if (!palette
 186                    && !(flags &
 187                         (VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_CSP_SUPPORTED))
 188                    && (out_fmt == IMGFMT_RGB8 || out_fmt == IMGFMT_BGR8)) {
 189             sh->outfmtidx = j; // pass index to the control() function this way
 190             if (sh->vd_driver->control(sh, VDCTRL_QUERY_FORMAT, &out_fmt) !=
 191                 CONTROL_FALSE)
 192                 palette = 1;
 193         }
 194     }
 195     if (j < 0) {
 196         // TODO: no match - we should use conversion...
 197         if (strcmp(vf->info->name, "scale") && palette != -1) {
 198             mp_tmsg(MSGT_DECVIDEO, MSGL_INFO, "Could not find matching colorspace - retrying with -vf scale...\n");
 199             sc = vf = vf_open_filter(opts, vf, "scale", NULL);
 200             goto csp_again;
 201         } else if (palette == 1) {
 202             mp_msg(MSGT_DECVIDEO, MSGL_V, "vd: Trying -vf palette...\n");
 203             palette = -1;
 204             vf = vf_open_filter(opts, vf, "palette", NULL);
 205             goto csp_again;
 206         } else {
 207             // sws failed, if the last filter (vf_vo) support MPEGPES try
 208             // to append vf_lavc
 209             vf_instance_t *vo, *vp = NULL, *ve, *vpp = NULL;
 210             // Remove the scale filter if we added it ourselves
 211             if (vf == sc) {
 212                 ve = vf;
 213                 vf = vf->next;
 214                 vf_uninit_filter(ve);
 215             }
 216             // Find the last filter (vf_vo)
 217             for (vo = vf; vo->next; vo = vo->next) {
 218                 vpp = vp;
 219                 vp = vo;
 220             }
 221             if (vo->query_format(vo, IMGFMT_MPEGPES)
 222                 && (!vp || (vp && strcmp(vp->info->name, "lavc")))) {
 223                 ve = vf_open_filter(opts, vo, "lavc", NULL);
 224                 if (vp)
 225                     vp->next = ve;
 226                 else
 227                     vf = ve;
 228                 goto csp_again;
 229             }
 230             if (vp && !strcmp(vp->info->name,"lavc")) {
 231                 if (vpp)
 232                     vpp->next = vo;
 233                 else
 234                     vf = vo;
 235                 vf_uninit_filter(vp);
 236             }
 237         }
 238         mp_tmsg(MSGT_CPLAYER, MSGL_WARN,
 239             "The selected video_out device is incompatible with this codec.\n"\
 240             "Try appending the scale filter to your filter list,\n"\
 241             "e.g. -vf spp,scale instead of -vf spp.\n");
 242         sh->vf_initialized = -1;
 243         return 0;               // failed
 244     }
 245     out_fmt = sh->codec->outfmt[j];
 246     mp_msg(MSGT_CPLAYER, MSGL_V, "VDec: using %s as output csp (no %d)\n",
 247            vo_format_name(out_fmt), j);
 248     sh->outfmtidx = j;
 249     sh->vfilter = vf;
 250
 251     // autodetect flipping
 252     if (opts->flip == -1) {
 253         opts->flip = 0;
 254         if (sh->codec->outflags[j] & CODECS_FLAG_FLIP)
 255             if (!(sh->codec->outflags[j] & CODECS_FLAG_NOFLIP))
 256                 opts->flip = 1;
 257     }
 258     if (sh->output_flags & VFCAP_FLIPPED)
 259         opts->flip ^= 1;
 260     if (opts->flip && !(sh->output_flags & VFCAP_FLIP)) {
 261         // we need to flip, but no flipping filter avail.
 262         vf_add_before_vo(&vf, "flip", NULL);
 263         sh->vfilter = vf;
 264     }
 265     // time to do aspect ratio corrections...
 266
 267     if (opts->movie_aspect > -1.0)
 268         sh->aspect = opts->movie_aspect;        // cmdline overrides autodetect
 269     else if (sh->stream_aspect != 0.0)
 270         sh->aspect = sh->stream_aspect;
 271
 272     if (opts->screen_size_x || opts->screen_size_y) {
 273         screen_size_x = opts->screen_size_x;
 274         screen_size_y = opts->screen_size_y;
 275         if (!opts->vidmode) {
 276             if (!screen_size_x)
 277                 screen_size_x = 1;
 278             if (!screen_size_y)
 279                 screen_size_y = 1;
 280             if (screen_size_x <= 8)
 281                 screen_size_x *= sh->disp_w;
 282             if (screen_size_y <= 8)
 283                 screen_size_y *= sh->disp_h;
 284         }
 285     } else {
 286         // check source format aspect, calculate prescale ::atmos
 287         screen_size_x = sh->disp_w;
 288         screen_size_y = sh->disp_h;
 289         if (opts->screen_size_xy >= 0.001) {
 290             if (opts->screen_size_xy <= 8) {
 291                 // -xy means x+y scale
 292                 screen_size_x *= opts->screen_size_xy;
 293                 screen_size_y *= opts->screen_size_xy;
 294             } else {
 295                 // -xy means forced width while keeping correct aspect
 296                 screen_size_x = opts->screen_size_xy;
 297                 screen_size_y = opts->screen_size_xy * sh->disp_h / sh->disp_w;
 298             }
 299         }
 300         if (sh->aspect > 0.01) {
 301             int w;
 302             mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Movie-Aspect is %.2f:1 - prescaling to correct movie aspect.\n",
 303                    sh->aspect);
 304             mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VIDEO_ASPECT=%1.4f\n",
 305                    sh->aspect);
 306             w = (int) ((float) screen_size_y * sh->aspect);
 307             w += w % 2;         // round
 308             // we don't like horizontal downscale || user forced width:
 309             if (w < screen_size_x || opts->screen_size_xy > 8) {
 310                 screen_size_y =
 311                     (int) ((float) screen_size_x * (1.0 / sh->aspect));
 312                 screen_size_y += screen_size_y % 2;     // round
 313             } else
 314                 screen_size_x = w;      // keep new width
 315         } else {
 316             mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Movie-Aspect is undefined - no prescaling applied.\n");
 317         }
 318     }
 319
 320     vocfg_flags = (opts->fullscreen ? VOFLAG_FULLSCREEN : 0)
 321         | (opts->vidmode ? VOFLAG_MODESWITCHING : 0)
 322         | (opts->softzoom ? VOFLAG_SWSCALE : 0)
 323         | (opts->flip ? VOFLAG_FLIPPING : 0);
 324
 325     // Time to config libvo!
 326     mp_msg(MSGT_CPLAYER, MSGL_V,
 327            "VO Config (%dx%d->%dx%d,flags=%d,'%s',0x%X)\n", sh->disp_w,
 328            sh->disp_h, screen_size_x, screen_size_y, vocfg_flags, "MPlayer",
 329            out_fmt);
 330
 331     vf->w = sh->disp_w;
 332     vf->h = sh->disp_h;
 333     if (vf_config_wrapper
 334         (vf, sh->disp_w, sh->disp_h, screen_size_x, screen_size_y, vocfg_flags,
 335          out_fmt) == 0) {
 336         mp_tmsg(MSGT_CPLAYER, MSGL_WARN, "FATAL: Cannot initialize video driver.\n");
 337         sh->vf_initialized = -1;
 338         return 0;
 339     }
 340
 341     sh->vf_initialized = 1;
 342
 343     if (opts->vo_gamma_gamma != 1000)
 344         set_video_colors(sh, "gamma", opts->vo_gamma_gamma);
 345     if (opts->vo_gamma_brightness != 1000)
 346         set_video_colors(sh, "brightness", opts->vo_gamma_brightness);
 347     if (opts->vo_gamma_contrast != 1000)
 348         set_video_colors(sh, "contrast", opts->vo_gamma_contrast);
 349     if (opts->vo_gamma_saturation != 1000)
 350         set_video_colors(sh, "saturation", opts->vo_gamma_saturation);
 351     if (opts->vo_gamma_hue != 1000)
 352         set_video_colors(sh, "hue", opts->vo_gamma_hue);
 353
 354     return 1;
 355 }
 356
 357 // mp_imgtype: buffering type, see mp_image.h
 358 // mp_imgflag: buffer requirements (read/write, preserve, stride limits), see mp_image.h
 359 // returns NULL or allocated mp_image_t*
 360 // Note: buffer allocation may be moved to mpcodecs_config_vo() later...
 361 mp_image_t *mpcodecs_get_image(sh_video_t *sh, int mp_imgtype, int mp_imgflag,
 362                                int w, int h)
 363 {
 364     mp_image_t *mpi =
 365         vf_get_image(sh->vfilter, sh->codec->outfmt[sh->outfmtidx], mp_imgtype,
 366                      mp_imgflag, w, h);
 367     if (mpi)
 368         mpi->x = mpi->y = 0;
 369     return mpi;
 370 }
 371
 372 void mpcodecs_draw_slice(sh_video_t *sh, unsigned char **src, int *stride,
 373                          int w, int h, int x, int y)
 374 {
 375     struct vf_instance *vf = sh->vfilter;
 376
 377     if (vf->draw_slice)
 378         vf->draw_slice(vf, src, stride, w, h, x, y);
 379 }