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