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