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mpv/libmpcodecs/dec_video.c

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/*
* 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 "config.h"
#include "options.h"
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <unistd.h>
#include "mp_msg.h"
#include "osdep/timer.h"
#include "osdep/shmem.h"
#include "stream/stream.h"
#include "libmpdemux/demuxer.h"
#include "codec-cfg.h"
#include "libvo/video_out.h"
#include "libvo/csputils.h"
#include "libmpdemux/stheader.h"
#include "vd.h"
#include "vf.h"
#include "dec_video.h"
// ===================================================================
#include "cpudetect.h"
int field_dominance = -1;
int divx_quality = 0;
int get_video_quality_max(sh_video_t *sh_video)
{
vf_instance_t *vf = sh_video->vfilter;
if (vf) {
int ret = vf->control(vf, VFCTRL_QUERY_MAX_PP_LEVEL, NULL);
if (ret > 0) {
mp_tmsg(MSGT_DECVIDEO, MSGL_INFO, "[PP] Using external postprocessing filter, max q = %d.\n", ret);
return ret;
}
}
const struct vd_functions *vd = sh_video->vd_driver;
if (vd) {
int ret = vd->control(sh_video, VDCTRL_QUERY_MAX_PP_LEVEL, NULL);
if (ret > 0) {
mp_tmsg(MSGT_DECVIDEO, MSGL_INFO, "[PP] Using codec's postprocessing, max q = %d.\n", ret);
return ret;
}
}
return 0;
}
int set_video_colors(sh_video_t *sh_video, const char *item, int value)
{
vf_instance_t *vf = sh_video->vfilter;
vf_equalizer_t data;
data.item = item;
data.value = value;
mp_dbg(MSGT_DECVIDEO, MSGL_V, "set video colors %s=%d \n", item, value);
if (vf) {
int ret = vf->control(vf, VFCTRL_SET_EQUALIZER, &data);
if (ret == CONTROL_TRUE)
return 1;
}
/* try software control */
const struct vd_functions *vd = sh_video->vd_driver;
if (vd &&
vd->control(sh_video, VDCTRL_SET_EQUALIZER, (void *)item, value)
== CONTROL_OK)
return 1;
mp_tmsg(MSGT_DECVIDEO, MSGL_V, "Video attribute '%s' is not supported by selected vo & vd.\n",
item);
return 0;
}
int get_video_colors(sh_video_t *sh_video, const char *item, int *value)
{
vf_instance_t *vf = sh_video->vfilter;
vf_equalizer_t data;
data.item = item;
mp_dbg(MSGT_DECVIDEO, MSGL_V, "get video colors %s \n", item);
if (vf) {
int ret = vf->control(vf, VFCTRL_GET_EQUALIZER, &data);
if (ret == CONTROL_TRUE) {
*value = data.value;
return 1;
}
}
/* try software control */
const struct vd_functions *vd = sh_video->vd_driver;
if (vd)
return vd->control(sh_video, VDCTRL_GET_EQUALIZER, (void *)item, value);
return 0;
}
void get_detected_video_colorspace(struct sh_video *sh, struct mp_csp_details *csp)
{
struct MPOpts *opts = sh->opts;
struct vf_instance *vf = sh->vfilter;
csp->format = opts->requested_colorspace;
csp->levels_in = opts->requested_input_range;
csp->levels_out = opts->requested_output_range;
if (csp->format == MP_CSP_AUTO)
csp->format = sh->colorspace;
if (csp->format == MP_CSP_AUTO)
csp->format = mp_csp_guess_colorspace(vf->w, vf->h);
if (csp->levels_in == MP_CSP_LEVELS_AUTO)
csp->levels_in = sh->color_range;
if (csp->levels_in == MP_CSP_LEVELS_AUTO)
csp->levels_in = MP_CSP_LEVELS_TV;
if (csp->levels_out == MP_CSP_LEVELS_AUTO)
csp->levels_out = MP_CSP_LEVELS_PC;
}
void set_video_colorspace(struct sh_video *sh)
{
struct vf_instance *vf = sh->vfilter;
struct mp_csp_details requested;
get_detected_video_colorspace(sh, &requested);
vf->control(vf, VFCTRL_SET_YUV_COLORSPACE, &requested);
struct mp_csp_details actual = MP_CSP_DETAILS_DEFAULTS;
vf->control(vf, VFCTRL_GET_YUV_COLORSPACE, &actual);
int success = actual.format == requested.format
&& actual.levels_in == requested.levels_in
&& actual.levels_out == requested.levels_out;
if (!success)
mp_tmsg(MSGT_DECVIDEO, MSGL_WARN,
"Colorspace details not fully supported by selected vo.\n");
if (actual.format != requested.format
&& requested.format == MP_CSP_SMPTE_240M) {
// BT.709 is pretty close, much better than BT.601
requested.format = MP_CSP_BT_709;
vf->control(vf, VFCTRL_SET_YUV_COLORSPACE, &requested);
}
}
void resync_video_stream(sh_video_t *sh_video)
{
const struct vd_functions *vd = sh_video->vd_driver;
if (vd)
vd->control(sh_video, VDCTRL_RESYNC_STREAM, NULL);
sh_video->prev_codec_reordered_pts = MP_NOPTS_VALUE;
sh_video->prev_sorted_pts = MP_NOPTS_VALUE;
}
void video_reset_aspect(struct sh_video *sh_video)
{
int r = sh_video->vd_driver->control(sh_video, VDCTRL_RESET_ASPECT, NULL);
if (r != true)
mpcodecs_config_vo(sh_video, sh_video->disp_w, sh_video->disp_h, 0);
}
int get_current_video_decoder_lag(sh_video_t *sh_video)
{
const struct vd_functions *vd = sh_video->vd_driver;
if (!vd)
return -1;
int ret = vd->control(sh_video, VDCTRL_QUERY_UNSEEN_FRAMES, NULL);
if (ret >= 10)
return ret - 10;
return -1;
}
void uninit_video(sh_video_t *sh_video)
{
if (!sh_video->initialized)
return;
mp_tmsg(MSGT_DECVIDEO, MSGL_V, "Uninit video: %s\n", sh_video->codec->drv);
sh_video->vd_driver->uninit(sh_video);
vf_uninit_filter_chain(sh_video->vfilter);
sh_video->initialized = 0;
}
void vfm_help(void)
{
int i;
mp_tmsg(MSGT_DECVIDEO, MSGL_INFO, "Available (compiled-in) video codec families/drivers:\n");
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VIDEO_DRIVERS\n");
mp_msg(MSGT_DECVIDEO, MSGL_INFO, " vfm: info: (comment)\n");
for (i = 0; mpcodecs_vd_drivers[i] != NULL; i++)
mp_msg(MSGT_DECVIDEO, MSGL_INFO, "%8s %s (%s)\n",
mpcodecs_vd_drivers[i]->info->short_name,
mpcodecs_vd_drivers[i]->info->name,
mpcodecs_vd_drivers[i]->info->comment);
}
static int init_video(sh_video_t *sh_video, char *codecname, char *vfm,
int status, stringset_t *selected)
{
int force = 0;
unsigned int orig_fourcc =
sh_video->bih ? sh_video->bih->biCompression : 0;
sh_video->codec = NULL;
sh_video->vf_initialized = 0;
if (codecname && codecname[0] == '+') {
codecname = &codecname[1];
force = 1;
}
while (1) {
int i;
int orig_w, orig_h;
// restore original fourcc:
if (sh_video->bih)
sh_video->bih->biCompression = orig_fourcc;
if (!
(sh_video->codec =
find_video_codec(sh_video->format,
sh_video->bih ? ((unsigned int *) &sh_video->
bih->biCompression) : NULL,
sh_video->codec, force)))
break;
// ok we found one codec
if (stringset_test(selected, sh_video->codec->name))
continue; // already tried & failed
if (codecname && strcmp(sh_video->codec->name, codecname))
continue; // -vc
if (vfm && strcmp(sh_video->codec->drv, vfm))
continue; // vfm doesn't match
if (!force && sh_video->codec->status < status)
continue; // too unstable
stringset_add(selected, sh_video->codec->name); // tagging it
// ok, it matches all rules, let's find the driver!
for (i = 0; mpcodecs_vd_drivers[i] != NULL; i++)
if (!strcmp(mpcodecs_vd_drivers[i]->info->short_name,
sh_video->codec->drv))
break;
sh_video->vd_driver = mpcodecs_vd_drivers[i];
if (!sh_video->vd_driver) { // driver not available (==compiled in)
mp_tmsg(MSGT_DECVIDEO, MSGL_WARN,
_("Requested video codec family [%s] (vfm=%s) not available.\nEnable it at compilation.\n"),
sh_video->codec->name, sh_video->codec->drv);
continue;
}
orig_w = sh_video->bih ? sh_video->bih->biWidth : sh_video->disp_w;
orig_h = sh_video->bih ? sh_video->bih->biHeight : sh_video->disp_h;
sh_video->disp_w = orig_w;
sh_video->disp_h = orig_h;
// it's available, let's try to init!
if (sh_video->codec->flags & CODECS_FLAG_ALIGN16) {
// align width/height to n*16
sh_video->disp_w = (sh_video->disp_w + 15) & (~15);
sh_video->disp_h = (sh_video->disp_h + 15) & (~15);
}
if (sh_video->bih) {
sh_video->bih->biWidth = sh_video->disp_w;
sh_video->bih->biHeight = sh_video->disp_h;
}
// init()
const struct vd_functions *vd = sh_video->vd_driver;
mp_tmsg(MSGT_DECVIDEO, MSGL_V, "Opening video decoder: [%s] %s\n",
vd->info->short_name, vd->info->name);
// clear vf init error, it is no longer relevant
if (sh_video->vf_initialized < 0)
sh_video->vf_initialized = 0;
if (!vd->init(sh_video)) {
mp_tmsg(MSGT_DECVIDEO, MSGL_INFO, "Video decoder init failed for "
"codecs.conf entry \"%s\".\n", sh_video->codec->name);
sh_video->disp_w = orig_w;
sh_video->disp_h = orig_h;
if (sh_video->bih) {
sh_video->bih->biWidth = sh_video->disp_w;
sh_video->bih->biHeight = sh_video->disp_h;
}
continue; // try next...
}
// Yeah! We got it!
sh_video->initialized = 1;
sh_video->prev_codec_reordered_pts = MP_NOPTS_VALUE;
sh_video->prev_sorted_pts = MP_NOPTS_VALUE;
return 1;
}
return 0;
}
int init_best_video_codec(sh_video_t *sh_video, char **video_codec_list,
char **video_fm_list)
{
char *vc_l_default[2] = { "", (char *) NULL };
stringset_t selected;
// hack:
if (!video_codec_list)
video_codec_list = vc_l_default;
// Go through the codec.conf and find the best codec...
sh_video->initialized = 0;
stringset_init(&selected);
while (!sh_video->initialized && *video_codec_list) {
char *video_codec = *(video_codec_list++);
if (video_codec[0]) {
if (video_codec[0] == '-') {
// disable this codec:
stringset_add(&selected, video_codec + 1);
} else {
// forced codec by name:
mp_tmsg(MSGT_DECVIDEO, MSGL_INFO, "Forced video codec: %s\n",
video_codec);
init_video(sh_video, video_codec, NULL, -1, &selected);
}
} else {
int status;
// try in stability order: UNTESTED, WORKING, BUGGY. never try CRASHING.
if (video_fm_list) {
char **fmlist = video_fm_list;
// try first the preferred codec families:
while (!sh_video->initialized && *fmlist) {
char *video_fm = *(fmlist++);
mp_tmsg(MSGT_DECVIDEO, MSGL_INFO, "Trying to force video codec driver family %s...\n",
video_fm);
for (status = CODECS_STATUS__MAX;
status >= CODECS_STATUS__MIN; --status)
if (init_video
(sh_video, NULL, video_fm, status, &selected))
break;
}
}
if (!sh_video->initialized)
for (status = CODECS_STATUS__MAX; status >= CODECS_STATUS__MIN;
--status)
if (init_video(sh_video, NULL, NULL, status, &selected))
break;
}
}
stringset_free(&selected);
if (!sh_video->initialized) {
mp_tmsg(MSGT_DECVIDEO, MSGL_ERR, "Cannot find codec matching selected -vo and video format 0x%X.\n",
sh_video->format);
return 0; // failed
}
mp_tmsg(MSGT_DECVIDEO, MSGL_INFO, "Selected video codec: %s [%s]\n",
sh_video->codecname ? sh_video->codecname : sh_video->codec->info,
sh_video->vd_driver->info->print_name ?
sh_video->vd_driver->info->print_name :
sh_video->vd_driver->info->short_name);
mp_tmsg(MSGT_DECVIDEO, MSGL_V,
"Video codecs.conf entry: %s (%s) vfm: %s\n",
sh_video->codec->name, sh_video->codec->info, sh_video->codec->drv);
return 1; // success
}
void *decode_video(sh_video_t *sh_video, struct demux_packet *packet,
unsigned char *start, int in_size,
int drop_frame, double pts)
{
mp_image_t *mpi = NULL;
struct MPOpts *opts = sh_video->opts;
if (opts->correct_pts && pts != MP_NOPTS_VALUE) {
int delay = get_current_video_decoder_lag(sh_video);
if (delay >= 0) {
if (delay > sh_video->num_buffered_pts)
#if 0
// this is disabled because vd_ffmpeg reports the same lag
// after seek even when there are no buffered frames,
// leading to incorrect error messages
mp_msg(MSGT_DECVIDEO, MSGL_ERR, "Not enough buffered pts\n");
#else
;
#endif
else
sh_video->num_buffered_pts = delay;
}
if (sh_video->num_buffered_pts ==
sizeof(sh_video->buffered_pts) / sizeof(double))
mp_msg(MSGT_DECVIDEO, MSGL_ERR, "Too many buffered pts\n");
else {
int i, j;
for (i = 0; i < sh_video->num_buffered_pts; i++)
if (sh_video->buffered_pts[i] < pts)
break;
for (j = sh_video->num_buffered_pts; j > i; j--)
sh_video->buffered_pts[j] = sh_video->buffered_pts[j - 1];
sh_video->buffered_pts[i] = pts;
sh_video->num_buffered_pts++;
}
}
if (sh_video->vd_driver->decode2) {
mpi = sh_video->vd_driver->decode2(sh_video, packet, start, in_size,
drop_frame, &pts);
} else {
mpi = sh_video->vd_driver->decode(sh_video, start, in_size,
drop_frame);
pts = MP_NOPTS_VALUE;
}
//------------------------ frame decoded. --------------------
#if HAVE_MMX
// some codecs are broken, and doesn't restore MMX state :(
// it happens usually with broken/damaged files.
if (gCpuCaps.hasMMX) {
__asm__ volatile("emms\n\t":::"memory");
}
#endif
if (!mpi || drop_frame)
return NULL; // error / skipped frame
if (field_dominance == 0)
mpi->fields |= MP_IMGFIELD_TOP_FIRST;
else if (field_dominance == 1)
mpi->fields &= ~MP_IMGFIELD_TOP_FIRST;
double prevpts = sh_video->codec_reordered_pts;
sh_video->prev_codec_reordered_pts = prevpts;
sh_video->codec_reordered_pts = pts;
if (prevpts != MP_NOPTS_VALUE && pts <= prevpts
|| pts == MP_NOPTS_VALUE)
sh_video->num_reordered_pts_problems++;
prevpts = sh_video->sorted_pts;
if (opts->correct_pts) {
if (sh_video->num_buffered_pts) {
sh_video->num_buffered_pts--;
sh_video->sorted_pts =
sh_video->buffered_pts[sh_video->num_buffered_pts];
} else {
mp_msg(MSGT_CPLAYER, MSGL_ERR,
"No pts value from demuxer to use for frame!\n");
sh_video->sorted_pts = MP_NOPTS_VALUE;
}
}
pts = sh_video->sorted_pts;
if (prevpts != MP_NOPTS_VALUE && pts <= prevpts
|| pts == MP_NOPTS_VALUE)
sh_video->num_sorted_pts_problems++;
return mpi;
}
int filter_video(sh_video_t *sh_video, void *frame, double pts)
{
mp_image_t *mpi = frame;
vf_instance_t *vf = sh_video->vfilter;
// apply video filters and call the leaf vo/ve
return vf->put_image(vf, mpi, pts);
}
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