mpv/video/decode/vd.c

185 lines
6.2 KiB
C

/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "config.h"
#include "core/mp_msg.h"
#include "core/options.h"
#include "video/img_format.h"
#include "stream/stream.h"
#include "demux/demux.h"
#include "demux/stheader.h"
#include "dec_video.h"
#include "vd.h"
#include "video/filter/vf.h"
#include "video/out/vo.h"
extern const vd_functions_t mpcodecs_vd_ffmpeg;
/* Please do not add any new decoders here. If you want to implement a new
* decoder, add it to libavcodec, except for wrappers around external
* libraries and decoders requiring binary support. */
const vd_functions_t * const mpcodecs_vd_drivers[] = {
&mpcodecs_vd_ffmpeg,
/* Please do not add any new decoders here. If you want to implement a new
* decoder, add it to libavcodec, except for wrappers around external
* libraries and decoders requiring binary support. */
NULL
};
int mpcodecs_config_vo(sh_video_t *sh, int w, int h, unsigned int out_fmt)
{
struct MPOpts *opts = sh->opts;
vf_instance_t *vf = sh->vfilter;
int vocfg_flags = 0;
if (w)
sh->disp_w = w;
if (h)
sh->disp_h = h;
mp_msg(MSGT_DECVIDEO, MSGL_V,
"VIDEO: %dx%d %5.3f fps %5.1f kbps (%4.1f kB/s)\n",
sh->disp_w, sh->disp_h, sh->fps, sh->i_bps * 0.008,
sh->i_bps / 1000.0);
if (!sh->disp_w || !sh->disp_h)
return 0;
mp_msg(MSGT_DECVIDEO, MSGL_V, "VDec: vo config request - %d x %d (%s)\n",
w, h, vo_format_name(out_fmt));
if (get_video_quality_max(sh) <= 0 && divx_quality) {
// user wants postprocess but no pp filter yet:
sh->vfilter = vf = vf_open_filter(opts, vf, "pp", NULL);
}
// check if libvo and codec has common outfmt (no conversion):
for (;;) {
mp_msg(MSGT_VFILTER, MSGL_V, "Trying filter chain:\n");
vf_print_filter_chain(MSGL_V, vf);
int flags = vf->query_format(vf, out_fmt);
mp_msg(MSGT_CPLAYER, MSGL_DBG2, "vo_debug: query(%s) returned 0x%X \n",
vo_format_name(out_fmt), flags);
if ((flags & VFCAP_CSP_SUPPORTED_BY_HW)
|| (flags & VFCAP_CSP_SUPPORTED))
{
sh->output_flags = flags;
break;
}
// TODO: no match - we should use conversion...
if (strcmp(vf->info->name, "scale")) {
mp_tmsg(MSGT_DECVIDEO, MSGL_INFO, "Could not find matching colorspace - retrying with -vf scale...\n");
vf = vf_open_filter(opts, vf, "scale", NULL);
continue;
}
mp_tmsg(MSGT_CPLAYER, MSGL_WARN,
"The selected video_out device is incompatible with this codec.\n"\
"Try appending the scale filter to your filter list,\n"\
"e.g. -vf filter,scale instead of -vf filter.\n");
mp_tmsg(MSGT_VFILTER, MSGL_WARN, "Attempted filter chain:\n");
vf_print_filter_chain(MSGL_WARN, vf);
sh->vf_initialized = -1;
return 0; // failed
}
sh->outfmt = out_fmt;
mp_msg(MSGT_CPLAYER, MSGL_V, "VDec: using %s as output csp\n",
vo_format_name(out_fmt));
sh->vfilter = vf;
// autodetect flipping
bool flip = opts->flip;
if (flip && !(sh->output_flags & VFCAP_FLIP)) {
// we need to flip, but no flipping filter avail.
vf_add_before_vo(&vf, "flip", NULL);
sh->vfilter = vf;
flip = false;
}
// time to do aspect ratio corrections...
if (opts->movie_aspect > -1.0)
sh->aspect = opts->movie_aspect; // cmdline overrides autodetect
else if (sh->stream_aspect != 0.0)
sh->aspect = sh->stream_aspect;
int d_w = sh->disp_w;
int d_h = sh->disp_h;
if (sh->aspect > 0.01) {
int new_w = d_h * sh->aspect;
int new_h = d_h;
// we don't like horizontal downscale
if (new_w < d_w) {
new_w = d_w;
new_h = d_w / sh->aspect;
}
if (abs(d_w - new_w) >= 4 || abs(d_h - new_h) >= 4) {
d_w = new_w;
d_h = new_h;
mp_tmsg(MSGT_CPLAYER, MSGL_V, "Aspect ratio is %.2f:1 - "
"scaling to correct movie aspect.\n", sh->aspect);
}
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VIDEO_ASPECT=%1.4f\n", sh->aspect);
}
vocfg_flags = (opts->fullscreen ? VOFLAG_FULLSCREEN : 0) |
(flip ? VOFLAG_FLIPPING : 0);
// Time to config libvo!
mp_msg(MSGT_CPLAYER, MSGL_V,
"VO Config (%dx%d->%dx%d,flags=%d,0x%X)\n", sh->disp_w,
sh->disp_h, d_w, d_h, vocfg_flags, out_fmt);
if (vf_config_wrapper(vf, sh->disp_w, sh->disp_h, d_w, d_h, vocfg_flags,
out_fmt) == 0) {
mp_tmsg(MSGT_CPLAYER, MSGL_WARN, "FATAL: Cannot initialize video driver.\n");
sh->vf_initialized = -1;
return 0;
}
mp_tmsg(MSGT_VFILTER, MSGL_V, "Video filter chain:\n");
vf_print_filter_chain(MSGL_V, vf);
sh->vf_initialized = 1;
set_video_colorspace(sh);
if (opts->gamma_gamma != 1000)
set_video_colors(sh, "gamma", opts->gamma_gamma);
if (opts->gamma_brightness != 1000)
set_video_colors(sh, "brightness", opts->gamma_brightness);
if (opts->gamma_contrast != 1000)
set_video_colors(sh, "contrast", opts->gamma_contrast);
if (opts->gamma_saturation != 1000)
set_video_colors(sh, "saturation", opts->gamma_saturation);
if (opts->gamma_hue != 1000)
set_video_colors(sh, "hue", opts->gamma_hue);
return 1;
}