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 #include "libvo/video_out.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_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     &mpcodecs_vd_ffmpeg,
  68 #ifdef CONFIG_OGGTHEORA
  69     &mpcodecs_vd_theora,
  70 #endif
  71 #ifdef CONFIG_WIN32DLL
  72     &mpcodecs_vd_dshow,
  73     &mpcodecs_vd_dmo,
  74     &mpcodecs_vd_vfw,
  75     &mpcodecs_vd_vfwex,
  76 #endif
  77     &mpcodecs_vd_lzo,
  78     &mpcodecs_vd_raw,
  79     &mpcodecs_vd_hmblck,
  80 #ifdef CONFIG_XANIM
  81     &mpcodecs_vd_xanim,
  82 #endif
  83 #ifdef CONFIG_PNG
  84     &mpcodecs_vd_mpng,
  85 #endif
  86 #ifdef CONFIG_JPEG
  87     &mpcodecs_vd_ijpg,
  88 #endif
  89     &mpcodecs_vd_mtga,
  90     &mpcodecs_vd_sgi,
  91     &mpcodecs_vd_mpegpes,
  92 #ifdef CONFIG_REALCODECS
  93     &mpcodecs_vd_realvid,
  94 #endif
  95 #ifdef CONFIG_XVID4
  96     &mpcodecs_vd_xvid,
  97 #endif
  98 #ifdef CONFIG_LIBDV095
  99     &mpcodecs_vd_libdv,
 100 #endif
 101 #ifdef CONFIG_QTX_CODECS
 102     &mpcodecs_vd_qtvideo,
 103 #endif
 104     /* Please do not add any new decoders here. If you want to implement a new
 105      * decoder, add it to libavcodec, except for wrappers around external
 106      * libraries and decoders requiring binary support. */
 107     NULL
 108 };
 109
 110 int mpcodecs_config_vo2(sh_video_t *sh, int w, int h,
 111                         const unsigned int *outfmts,
 112                         unsigned int preferred_outfmt)
 113 {
 114     struct MPOpts *opts = sh->opts;
 115     int j;
 116     unsigned int out_fmt = 0;
 117     int screen_size_x = 0;
 118     int screen_size_y = 0;
 119     vf_instance_t *vf = sh->vfilter, *sc = NULL;
 120     int palette = 0;
 121     int vocfg_flags = 0;
 122
 123     if (w)
 124         sh->disp_w = w;
 125     if (h)
 126         sh->disp_h = h;
 127
 128     if (!sh->disp_w || !sh->disp_h)
 129         return 0;
 130
 131     mp_msg(MSGT_DECVIDEO, MSGL_V,
 132            "VDec: vo config request - %d x %d (preferred colorspace: %s)\n",
 133            w, h, vo_format_name(preferred_outfmt));
 134
 135     if (get_video_quality_max(sh) <= 0 && divx_quality) {
 136         // user wants postprocess but no pp filter yet:
 137         sh->vfilter = vf = vf_open_filter(opts, vf, "pp", NULL);
 138     }
 139
 140     if (!outfmts || sh->codec->outfmt[0] != 0xffffffff)
 141         outfmts = sh->codec->outfmt;
 142
 143     // check if libvo and codec has common outfmt (no conversion):
 144   csp_again:
 145
 146     if (mp_msg_test(MSGT_DECVIDEO, MSGL_V)) {
 147         vf_instance_t *f = vf;
 148         mp_msg(MSGT_DECVIDEO, MSGL_V, "Trying filter chain:");
 149         for (f = vf; f; f = f->next)
 150             mp_msg(MSGT_DECVIDEO, MSGL_V, " %s", f->info->name);
 151         mp_msg(MSGT_DECVIDEO, MSGL_V, "\n");
 152     }
 153
 154     j = -1;
 155     for (int i = 0; i < CODECS_MAX_OUTFMT; i++) {
 156         int flags;
 157         out_fmt = outfmts[i];
 158         if (out_fmt == (unsigned int) 0xFFFFFFFF)
 159             break;
 160         flags = vf->query_format(vf, out_fmt);
 161         mp_msg(MSGT_CPLAYER, MSGL_DBG2,
 162                "vo_debug: query(%s) returned 0x%X (i=%d) \n",
 163                vo_format_name(out_fmt), flags, i);
 164         if ((flags & VFCAP_CSP_SUPPORTED_BY_HW)
 165             || (flags & VFCAP_CSP_SUPPORTED && j < 0)) {
 166             // check (query) if codec really support this outfmt...
 167             sh->outfmtidx = j; // pass index to the control() function this way
 168             if (sh->vd_driver->control(sh, VDCTRL_QUERY_FORMAT, &out_fmt) ==
 169                 CONTROL_FALSE) {
 170                 mp_msg(MSGT_CPLAYER, MSGL_DBG2,
 171                        "vo_debug: codec query_format(%s) returned FALSE\n",
 172                        vo_format_name(out_fmt));
 173                 continue;
 174             }
 175             j = i;
 176             sh->output_flags = flags;
 177             if (flags & VFCAP_CSP_SUPPORTED_BY_HW)
 178                 break;
 179         } else if (!palette
 180                    && !(flags &
 181                         (VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_CSP_SUPPORTED))
 182                    && (out_fmt == IMGFMT_RGB8 || out_fmt == IMGFMT_BGR8)) {
 183             sh->outfmtidx = j; // pass index to the control() function this way
 184             if (sh->vd_driver->control(sh, VDCTRL_QUERY_FORMAT, &out_fmt) !=
 185                 CONTROL_FALSE)
 186                 palette = 1;
 187         }
 188     }
 189     if (j < 0) {
 190         // TODO: no match - we should use conversion...
 191         if (strcmp(vf->info->name, "scale") && palette != -1) {
 192             mp_tmsg(MSGT_DECVIDEO, MSGL_INFO, "Could not find matching colorspace - retrying with -vf scale...\n");
 193             sc = vf = vf_open_filter(opts, vf, "scale", NULL);
 194             goto csp_again;
 195         } else if (palette == 1) {
 196             mp_msg(MSGT_DECVIDEO, MSGL_V, "vd: Trying -vf palette...\n");
 197             palette = -1;
 198             vf = vf_open_filter(opts, vf, "palette", NULL);
 199             goto csp_again;
 200         } else {
 201             // sws failed, if the last filter (vf_vo) support MPEGPES try
 202             // to append vf_lavc
 203             vf_instance_t *vo, *vp = NULL, *ve, *vpp = NULL;
 204             // Remove the scale filter if we added it ourselves
 205             if (vf == sc) {
 206                 ve = vf;
 207                 vf = vf->next;
 208                 vf_uninit_filter(ve);
 209             }
 210             // Find the last filter (vf_vo)
 211             for (vo = vf; vo->next; vo = vo->next) {
 212                 vpp = vp;
 213                 vp = vo;
 214             }
 215             if (vo->query_format(vo, IMGFMT_MPEGPES)
 216                 && (!vp || (vp && strcmp(vp->info->name, "lavc")))) {
 217                 ve = vf_open_filter(opts, vo, "lavc", NULL);
 218                 if (vp)
 219                     vp->next = ve;
 220                 else
 221                     vf = ve;
 222                 goto csp_again;
 223             }
 224             if (vp && !strcmp(vp->info->name,"lavc")) {
 225                 if (vpp)
 226                     vpp->next = vo;
 227                 else
 228                     vf = vo;
 229                 vf_uninit_filter(vp);
 230             }
 231         }
 232         mp_tmsg(MSGT_CPLAYER, MSGL_WARN,
 233             "The selected video_out device is incompatible with this codec.\n"\
 234             "Try appending the scale filter to your filter list,\n"\
 235             "e.g. -vf spp,scale instead of -vf spp.\n");
 236         sh->vf_initialized = -1;
 237         return 0;               // failed
 238     }
 239     out_fmt = outfmts[j];
 240     sh->outfmt = out_fmt;
 241     mp_msg(MSGT_CPLAYER, MSGL_V, "VDec: using %s as output csp (no %d)\n",
 242            vo_format_name(out_fmt), j);
 243     sh->outfmtidx = j;
 244     sh->vfilter = vf;
 245
 246     // autodetect flipping
 247     if (opts->flip == -1) {
 248         opts->flip = 0;
 249         if (sh->codec->outflags[j] & CODECS_FLAG_FLIP)
 250             if (!(sh->codec->outflags[j] & CODECS_FLAG_NOFLIP))
 251                 opts->flip = 1;
 252     }
 253     if (sh->output_flags & VFCAP_FLIPPED)
 254         opts->flip ^= 1;
 255     if (opts->flip && !(sh->output_flags & VFCAP_FLIP)) {
 256         // we need to flip, but no flipping filter avail.
 257         vf_add_before_vo(&vf, "flip", NULL);
 258         sh->vfilter = vf;
 259     }
 260     // time to do aspect ratio corrections...
 261
 262     if (opts->movie_aspect > -1.0)
 263         sh->aspect = opts->movie_aspect;        // cmdline overrides autodetect
 264     else if (sh->stream_aspect != 0.0)
 265         sh->aspect = sh->stream_aspect;
 266
 267     if (opts->screen_size_x || opts->screen_size_y) {
 268         screen_size_x = opts->screen_size_x;
 269         screen_size_y = opts->screen_size_y;
 270         if (!opts->vidmode) {
 271             if (!screen_size_x)
 272                 screen_size_x = 1;
 273             if (!screen_size_y)
 274                 screen_size_y = 1;
 275             if (screen_size_x <= 8)
 276                 screen_size_x *= sh->disp_w;
 277             if (screen_size_y <= 8)
 278                 screen_size_y *= sh->disp_h;
 279         }
 280     } else {
 281         // check source format aspect, calculate prescale ::atmos
 282         screen_size_x = sh->disp_w;
 283         screen_size_y = sh->disp_h;
 284         if (opts->screen_size_xy >= 0.001) {
 285             if (opts->screen_size_xy <= 8) {
 286                 // -xy means x+y scale
 287                 screen_size_x *= opts->screen_size_xy;
 288                 screen_size_y *= opts->screen_size_xy;
 289             } else {
 290                 // -xy means forced width while keeping correct aspect
 291                 screen_size_x = opts->screen_size_xy;
 292                 screen_size_y = opts->screen_size_xy * sh->disp_h / sh->disp_w;
 293             }
 294         }
 295         if (sh->aspect > 0.01) {
 296             int w;
 297             mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Movie-Aspect is %.2f:1 - prescaling to correct movie aspect.\n",
 298                    sh->aspect);
 299             mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VIDEO_ASPECT=%1.4f\n",
 300                    sh->aspect);
 301             w = (int) ((float) screen_size_y * sh->aspect);
 302             w += w % 2;         // round
 303             // we don't like horizontal downscale || user forced width:
 304             if (w < screen_size_x || opts->screen_size_xy > 8) {
 305                 screen_size_y =
 306                     (int) ((float) screen_size_x * (1.0 / sh->aspect));
 307                 screen_size_y += screen_size_y % 2;     // round
 308             } else
 309                 screen_size_x = w;      // keep new width
 310         } else {
 311             mp_tmsg(MSGT_CPLAYER, MSGL_INFO, "Movie-Aspect is undefined - no prescaling applied.\n");
 312         }
 313     }
 314
 315     vocfg_flags = (opts->fullscreen ? VOFLAG_FULLSCREEN : 0)
 316         | (opts->vidmode ? VOFLAG_MODESWITCHING : 0)
 317         | (opts->softzoom ? VOFLAG_SWSCALE : 0)
 318         | (opts->flip ? VOFLAG_FLIPPING : 0);
 319
 320     // Time to config libvo!
 321     mp_msg(MSGT_CPLAYER, MSGL_V,
 322            "VO Config (%dx%d->%dx%d,flags=%d,0x%X)\n", sh->disp_w,
 323            sh->disp_h, screen_size_x, screen_size_y, vocfg_flags, out_fmt);
 324
 325     vf->w = sh->disp_w;
 326     vf->h = sh->disp_h;
 327
 328     if (vf_config_wrapper
 329         (vf, sh->disp_w, sh->disp_h, screen_size_x, screen_size_y, vocfg_flags,
 330          out_fmt) == 0) {
 331         mp_tmsg(MSGT_CPLAYER, MSGL_WARN, "FATAL: Cannot initialize video driver.\n");
 332         sh->vf_initialized = -1;
 333         return 0;
 334     }
 335
 336     sh->vf_initialized = 1;
 337
 338     set_video_colorspace(sh);
 339
 340     if (opts->vo_gamma_gamma != 1000)
 341         set_video_colors(sh, "gamma", opts->vo_gamma_gamma);
 342     if (opts->vo_gamma_brightness != 1000)
 343         set_video_colors(sh, "brightness", opts->vo_gamma_brightness);
 344     if (opts->vo_gamma_contrast != 1000)
 345         set_video_colors(sh, "contrast", opts->vo_gamma_contrast);
 346     if (opts->vo_gamma_saturation != 1000)
 347         set_video_colors(sh, "saturation", opts->vo_gamma_saturation);
 348     if (opts->vo_gamma_hue != 1000)
 349         set_video_colors(sh, "hue", opts->vo_gamma_hue);
 350
 351     return 1;
 352 }
 353
 354 // mp_imgtype: buffering type, see mp_image.h
 355 // mp_imgflag: buffer requirements (read/write, preserve, stride limits), see mp_image.h
 356 // returns NULL or allocated mp_image_t*
 357 // Note: buffer allocation may be moved to mpcodecs_config_vo() later...
 358 mp_image_t *mpcodecs_get_image(sh_video_t *sh, int mp_imgtype, int mp_imgflag,
 359                                int w, int h)
 360 {
 361     mp_image_t *mpi =
 362         vf_get_image(sh->vfilter, sh->outfmt, mp_imgtype, 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 }