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 "help_mp.h"
  26 #include "options.h"
  27
  28 #include "codec-cfg.h"
  29
  30 #include "img_format.h"
  31
  32 #include "stream/stream.h"
  33 #include "libmpdemux/demuxer.h"
  34 #include "libmpdemux/stheader.h"
  35 #include "dec_video.h"
  36
  37 #include "vd.h"
  38 #include "vf.h"
  39
  40 extern const vd_functions_t mpcodecs_vd_null;
  41 extern const vd_functions_t mpcodecs_vd_ffmpeg;
  42 extern const vd_functions_t mpcodecs_vd_theora;
  43 extern const vd_functions_t mpcodecs_vd_dshow;
  44 extern const vd_functions_t mpcodecs_vd_dmo;
  45 extern const vd_functions_t mpcodecs_vd_vfw;
  46 extern const vd_functions_t mpcodecs_vd_vfwex;
  47 extern const vd_functions_t mpcodecs_vd_raw;
  48 extern const vd_functions_t mpcodecs_vd_hmblck;
  49 extern const vd_functions_t mpcodecs_vd_xanim;
  50 extern const vd_functions_t mpcodecs_vd_mpng;
  51 extern const vd_functions_t mpcodecs_vd_ijpg;
  52 extern const vd_functions_t mpcodecs_vd_mtga;
  53 extern const vd_functions_t mpcodecs_vd_sgi;
  54 extern const vd_functions_t mpcodecs_vd_libmpeg2;
  55 extern const vd_functions_t mpcodecs_vd_mpegpes;
  56 extern const vd_functions_t mpcodecs_vd_zrmjpeg;
  57 extern const vd_functions_t mpcodecs_vd_realvid;
  58 extern const vd_functions_t mpcodecs_vd_xvid;
  59 extern const vd_functions_t mpcodecs_vd_libdv;
  60 extern const vd_functions_t mpcodecs_vd_lzo;
  61 extern const vd_functions_t mpcodecs_vd_qtvideo;
  62
  63 /* Please do not add any new decoders here. If you want to implement a new
  64  * decoder, add it to libavcodec, except for wrappers around external
  65  * libraries and decoders requiring binary support. */
  66
  67 const vd_functions_t * const mpcodecs_vd_drivers[] = {
  68     &mpcodecs_vd_null,
  69 #ifdef CONFIG_LIBAVCODEC
  70     &mpcodecs_vd_ffmpeg,
  71 #endif
  72 #ifdef CONFIG_OGGTHEORA
  73     &mpcodecs_vd_theora,
  74 #endif
  75 #ifdef CONFIG_WIN32DLL
  76     &mpcodecs_vd_dshow,
  77     &mpcodecs_vd_dmo,
  78     &mpcodecs_vd_vfw,
  79     &mpcodecs_vd_vfwex,
  80 #endif
  81     &mpcodecs_vd_lzo,
  82     &mpcodecs_vd_raw,
  83     &mpcodecs_vd_hmblck,
  84 #ifdef CONFIG_XANIM
  85     &mpcodecs_vd_xanim,
  86 #endif
  87 #ifdef CONFIG_PNG
  88     &mpcodecs_vd_mpng,
  89 #endif
  90 #ifdef CONFIG_JPEG
  91     &mpcodecs_vd_ijpg,
  92 #endif
  93     &mpcodecs_vd_mtga,
  94     &mpcodecs_vd_sgi,
  95 #ifdef CONFIG_LIBMPEG2
  96     &mpcodecs_vd_libmpeg2,
  97 #endif
  98     &mpcodecs_vd_mpegpes,
  99 #ifdef CONFIG_ZR
 100     &mpcodecs_vd_zrmjpeg,
 101 #endif
 102 #ifdef CONFIG_REALCODECS
 103     &mpcodecs_vd_realvid,
 104 #endif
 105 #ifdef CONFIG_XVID4
 106     &mpcodecs_vd_xvid,
 107 #endif
 108 #ifdef CONFIG_LIBDV095
 109     &mpcodecs_vd_libdv,
 110 #endif
 111 #ifdef CONFIG_QTX_CODECS
 112     &mpcodecs_vd_qtvideo,
 113 #endif
 114     /* Please do not add any new decoders here. If you want to implement a new
 115      * decoder, add it to libavcodec, except for wrappers around external
 116      * libraries and decoders requiring binary support. */
 117     NULL
 118 };
 119
 120 #include "libvo/video_out.h"
 121
 122 int mpcodecs_config_vo(sh_video_t *sh, int w, int h,
 123                        unsigned int preferred_outfmt)
 124 {
 125     struct MPOpts *opts = sh->opts;
 126     int i, j;
 127     unsigned int out_fmt = 0;
 128     int screen_size_x = 0;
 129     int screen_size_y = 0;
 130     vf_instance_t *vf = sh->vfilter, *sc = NULL;
 131     int palette = 0;
 132     int vocfg_flags = 0;
 133
 134     if (w)
 135         sh->disp_w = w;
 136     if (h)
 137         sh->disp_h = h;
 138
 139     if (!sh->disp_w || !sh->disp_h)
 140         return 0;
 141
 142     mp_msg(MSGT_DECVIDEO, MSGL_V,
 143            "VDec: vo config request - %d x %d (preferred colorspace: %s)\n",
 144            w, h, vo_format_name(preferred_outfmt));
 145
 146     if (get_video_quality_max(sh) <= 0 && divx_quality) {
 147         // user wants postprocess but no pp filter yet:
 148         sh->vfilter = vf = vf_open_filter(opts, vf, "pp", NULL);
 149     }
 150     // check if libvo and codec has common outfmt (no conversion):
 151   csp_again:
 152
 153     if (mp_msg_test(MSGT_DECVIDEO, MSGL_V)) {
 154         vf_instance_t *f = vf;
 155         mp_msg(MSGT_DECVIDEO, MSGL_V, "Trying filter chain:");
 156         for (f = vf; f; f = f->next)
 157             mp_msg(MSGT_DECVIDEO, MSGL_V, " %s", f->info->name);
 158         mp_msg(MSGT_DECVIDEO, MSGL_V, "\n");
 159     }
 160
 161     j = -1;
 162     for (i = 0; i < CODECS_MAX_OUTFMT; i++) {
 163         int flags;
 164         out_fmt = sh->codec->outfmt[i];
 165         if (out_fmt == (unsigned int) 0xFFFFFFFF)
 166             continue;
 167         flags = vf->query_format(vf, out_fmt);
 168         mp_msg(MSGT_CPLAYER, MSGL_DBG2,
 169                "vo_debug: query(%s) returned 0x%X (i=%d) \n",
 170                vo_format_name(out_fmt), flags, i);
 171         if ((flags & VFCAP_CSP_SUPPORTED_BY_HW)
 172             || (flags & VFCAP_CSP_SUPPORTED && j < 0)) {
 173             // check (query) if codec really support this outfmt...
 174             sh->outfmtidx = j; // pass index to the control() function this way
 175             if (sh->vd_driver->control(sh, VDCTRL_QUERY_FORMAT, &out_fmt) ==
 176                 CONTROL_FALSE) {
 177                 mp_msg(MSGT_CPLAYER, MSGL_DBG2,
 178                        "vo_debug: codec query_format(%s) returned FALSE\n",
 179                        vo_format_name(out_fmt));
 180                 continue;
 181             }
 182             j = i;
 183             sh->output_flags = flags;
 184             if (flags & VFCAP_CSP_SUPPORTED_BY_HW)
 185                 break;
 186         } else if (!palette
 187                    && !(flags &
 188                         (VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_CSP_SUPPORTED))
 189                    && (out_fmt == IMGFMT_RGB8 || out_fmt == IMGFMT_BGR8)) {
 190             sh->outfmtidx = j; // pass index to the control() function this way
 191             if (sh->vd_driver->control(sh, VDCTRL_QUERY_FORMAT, &out_fmt) !=
 192                 CONTROL_FALSE)
 193                 palette = 1;
 194         }
 195     }
 196     if (j < 0) {
 197         // TODO: no match - we should use conversion...
 198         if (strcmp(vf->info->name, "scale") && palette != -1) {
 199             mp_tmsg(MSGT_DECVIDEO, MSGL_INFO, "Could not find matching colorspace - retrying with -vf scale...\n");
 200             sc = vf = vf_open_filter(opts, vf, "scale", NULL);
 201             goto csp_again;
 202         } else if (palette == 1) {
 203             mp_msg(MSGT_DECVIDEO, MSGL_V, "vd: Trying -vf palette...\n");
 204             palette = -1;
 205             vf = vf_open_filter(opts, vf, "palette", NULL);
 206             goto csp_again;
 207         } else {
 208             // sws failed, if the last filter (vf_vo) support MPEGPES try
 209             // to append vf_lavc
 210             vf_instance_t *vo, *vp = NULL, *ve, *vpp = NULL;
 211             // Remove the scale filter if we added it ourselves
 212             if (vf == sc) {
 213                 ve = vf;
 214                 vf = vf->next;
 215                 vf_uninit_filter(ve);
 216             }
 217             // Find the last filter (vf_vo)
 218             for (vo = vf; vo->next; vo = vo->next) {
 219                 vpp = vp;
 220                 vp = vo;
 221             }
 222             if (vo->query_format(vo, IMGFMT_MPEGPES)
 223                 && (!vp || (vp && strcmp(vp->info->name, "lavc")))) {
 224                 ve = vf_open_filter(opts, vo, "lavc", NULL);
 225                 if (vp)
 226                     vp->next = ve;
 227                 else
 228                     vf = ve;
 229                 goto csp_again;
 230             }
 231             if (vp && !strcmp(vp->info->name,"lavc")) {
 232                 if (vpp)
 233                     vpp->next = vo;
 234                 else
 235                     vf = vo;
 236                 vf_uninit_filter(vp);
 237             }
 238         }
 239         mp_tmsg(MSGT_CPLAYER, MSGL_WARN,
 240             "The selected video_out device is incompatible with this codec.\n"\
 241             "Try appending the scale filter to your filter list,\n"\
 242             "e.g. -vf spp,scale instead of -vf spp.\n");
 243         sh->vf_initialized = -1;
 244         return 0;               // failed
 245     }
 246     out_fmt = sh->codec->outfmt[j];
 247     mp_msg(MSGT_CPLAYER, MSGL_V, "VDec: using %s as output csp (no %d)\n",
 248            vo_format_name(out_fmt), j);
 249     sh->outfmtidx = j;
 250     sh->vfilter = vf;
 251
 252     // autodetect flipping
 253     if (opts->flip == -1) {
 254         opts->flip = 0;
 255         if (sh->codec->outflags[j] & CODECS_FLAG_FLIP)
 256             if (!(sh->codec->outflags[j] & CODECS_FLAG_NOFLIP))
 257                 opts->flip = 1;
 258     }
 259     if (sh->output_flags & VFCAP_FLIPPED)
 260         opts->flip ^= 1;
 261     if (opts->flip && !(sh->output_flags & VFCAP_FLIP)) {
 262         // we need to flip, but no flipping filter avail.
 263         vf_add_before_vo(&vf, "flip", NULL);
 264         sh->vfilter = vf;
 265     }
 266     // time to do aspect ratio corrections...
 267
 268     if (opts->movie_aspect > -1.0)
 269         sh->aspect = opts->movie_aspect;        // cmdline overrides autodetect
 270     else if (sh->stream_aspect != 0.0)
 271         sh->aspect = sh->stream_aspect;
 272
 273     if (opts->screen_size_x || opts->screen_size_y) {
 274         screen_size_x = opts->screen_size_x;
 275         screen_size_y = opts->screen_size_y;
 276         if (!opts->vidmode) {
 277             if (!screen_size_x)
 278                 screen_size_x = 1;
 279             if (!screen_size_y)
 280                 screen_size_y = 1;
 281             if (screen_size_x <= 8)
 282                 screen_size_x *= sh->disp_w;
 283             if (screen_size_y <= 8)
 284                 screen_size_y *= sh->disp_h;
 285         }
 286     } else {
 287         // check source format aspect, calculate prescale ::atmos
 288         screen_size_x = sh->disp_w;
 289         screen_size_y = sh->disp_h;
 290         if (opts->screen_size_xy >= 0.001) {
 291             if (opts->screen_size_xy <= 8) {
 292                 // -xy means x+y scale
 293                 screen_size_x *= opts->screen_size_xy;
 294                 screen_size_y *= opts->screen_size_xy;
 295             } else {
 296                 // -xy means forced width while keeping correct aspect
 297                 screen_size_x = opts->screen_size_xy;
 298                 screen_size_y = opts->screen_size_xy * sh->disp_h / sh->disp_w;
 299             }
 300         }
 301         if (sh->aspect > 0.01) {
 302             int w;
 303             mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Movie-Aspect is %.2f:1 - prescaling to correct movie aspect.\n",
 304                    sh->aspect);
 305             mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VIDEO_ASPECT=%1.4f\n",
 306                    sh->aspect);
 307             w = (int) ((float) screen_size_y * sh->aspect);
 308             w += w % 2;         // round
 309             // we don't like horizontal downscale || user forced width:
 310             if (w < screen_size_x || opts->screen_size_xy > 8) {
 311                 screen_size_y =
 312                     (int) ((float) screen_size_x * (1.0 / sh->aspect));
 313                 screen_size_y += screen_size_y % 2;     // round
 314             } else
 315                 screen_size_x = w;      // keep new width
 316         } else {
 317             mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Movie-Aspect is undefined - no prescaling applied.\n");
 318         }
 319     }
 320
 321     vocfg_flags = (opts->fullscreen ? VOFLAG_FULLSCREEN : 0)
 322         | (opts->vidmode ? VOFLAG_MODESWITCHING : 0)
 323         | (opts->softzoom ? VOFLAG_SWSCALE : 0)
 324         | (opts->flip ? VOFLAG_FLIPPING : 0);
 325
 326     // Time to config libvo!
 327     mp_msg(MSGT_CPLAYER, MSGL_V,
 328            "VO Config (%dx%d->%dx%d,flags=%d,'%s',0x%X)\n", sh->disp_w,
 329            sh->disp_h, screen_size_x, screen_size_y, vocfg_flags, "MPlayer",
 330            out_fmt);
 331
 332     vf->w = sh->disp_w;
 333     vf->h = sh->disp_h;
 334     if (vf_config_wrapper
 335         (vf, sh->disp_w, sh->disp_h, screen_size_x, screen_size_y, vocfg_flags,
 336          out_fmt) == 0) {
 337         mp_tmsg(MSGT_CPLAYER, MSGL_WARN, "FATAL: Cannot initialize video driver.\n");
 338         sh->vf_initialized = -1;
 339         return 0;
 340     }
 341
 342     sh->vf_initialized = 1;
 343
 344     if (opts->vo_gamma_gamma != 1000)
 345         set_video_colors(sh, "gamma", opts->vo_gamma_gamma);
 346     if (opts->vo_gamma_brightness != 1000)
 347         set_video_colors(sh, "brightness", opts->vo_gamma_brightness);
 348     if (opts->vo_gamma_contrast != 1000)
 349         set_video_colors(sh, "contrast", opts->vo_gamma_contrast);
 350     if (opts->vo_gamma_saturation != 1000)
 351         set_video_colors(sh, "saturation", opts->vo_gamma_saturation);
 352     if (opts->vo_gamma_hue != 1000)
 353         set_video_colors(sh, "hue", opts->vo_gamma_hue);
 354
 355     return 1;
 356 }
 357
 358 // mp_imgtype: buffering type, see mp_image.h
 359 // mp_imgflag: buffer requirements (read/write, preserve, stride limits), see mp_image.h
 360 // returns NULL or allocated mp_image_t*
 361 // Note: buffer allocation may be moved to mpcodecs_config_vo() later...
 362 mp_image_t *mpcodecs_get_image(sh_video_t *sh, int mp_imgtype, int mp_imgflag,
 363                                int w, int h)
 364 {
 365     mp_image_t *mpi =
 366         vf_get_image(sh->vfilter, sh->codec->outfmt[sh->outfmtidx], mp_imgtype,
 367                      mp_imgflag, w, h);
 368     if (mpi)
 369         mpi->x = mpi->y = 0;
 370     return mpi;
 371 }
 372
 373 void mpcodecs_draw_slice(sh_video_t *sh, unsigned char **src, int *stride,
 374                          int w, int h, int x, int y)
 375 {
 376     struct vf_instance *vf = sh->vfilter;
 377
 378     if (vf->draw_slice)
 379         vf->draw_slice(vf, src, stride, w, h, x, y);
 380 }