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mpv/libmpcodecs/dec_video.c

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#include "config.h"
#include <stdio.h>
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#include <stdlib.h>
#include <unistd.h>
#include "mp_msg.h"
#include "help_mp.h"
#include "osdep/timer.h"
#include "osdep/shmem.h"
#include "stream/stream.h"
#include "libmpdemux/demuxer.h"
#include "libmpdemux/parse_es.h"
#include "codec-cfg.h"
#include "libvo/video_out.h"
#include "libmpdemux/stheader.h"
#include "vd.h"
#include "vf.h"
#include "dec_video.h"
#ifdef DYNAMIC_PLUGINS
#include <dlfcn.h>
#endif
// ===================================================================
extern double video_time_usage;
extern double vout_time_usage;
#include "cpudetect.h"
int field_dominance=-1;
int divx_quality=0;
vd_functions_t* mpvdec=NULL;
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_msg(MSGT_DECVIDEO,MSGL_INFO,MSGTR_UsingExternalPP,ret);
return ret;
}
}
if(mpvdec){
int ret=mpvdec->control(sh_video,VDCTRL_QUERY_MAX_PP_LEVEL,NULL);
if(ret>0){
mp_msg(MSGT_DECVIDEO,MSGL_INFO,MSGTR_UsingCodecPP,ret);
return ret;
}
}
// mp_msg(MSGT_DECVIDEO,MSGL_INFO,"[PP] Sorry, postprocessing is not available\n");
return 0;
}
void set_video_quality(sh_video_t *sh_video,int quality){
vf_instance_t* vf=sh_video->vfilter;
if(vf){
int ret=vf->control(vf,VFCTRL_SET_PP_LEVEL, (void*)(&quality));
if(ret==CONTROL_TRUE) return; // success
}
if(mpvdec)
mpvdec->control(sh_video,VDCTRL_SET_PP_LEVEL, (void*)(&quality));
}
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 */
if(mpvdec)
if( mpvdec->control(sh_video,VDCTRL_SET_EQUALIZER, item, (int *)value)
== CONTROL_OK) return 1;
mp_msg(MSGT_DECVIDEO,MSGL_V,MSGTR_VideoAttributeNotSupportedByVO_VD,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 */
if(mpvdec) return mpvdec->control(sh_video,VDCTRL_GET_EQUALIZER, item, value);
return 0;
}
int set_rectangle(sh_video_t *sh_video,int param,int value)
{
vf_instance_t* vf=sh_video->vfilter;
int data[] = {param, value};
mp_dbg(MSGT_DECVIDEO,MSGL_V,"set rectangle \n");
if (vf)
{
int ret = vf->control(vf, VFCTRL_CHANGE_RECTANGLE, data);
if (ret)
return(1);
}
return 0;
}
void resync_video_stream(sh_video_t *sh_video)
{
if(mpvdec) mpvdec->control(sh_video, VDCTRL_RESYNC_STREAM, NULL);
}
int get_current_video_decoder_lag(sh_video_t *sh_video)
{
int ret;
if (!mpvdec)
return -1;
ret = mpvdec->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_msg(MSGT_DECVIDEO,MSGL_V,MSGTR_UninitVideoStr,sh_video->codec->drv);
mpvdec->uninit(sh_video);
#ifdef DYNAMIC_PLUGINS
if (sh_video->dec_handle)
dlclose(sh_video->dec_handle);
#endif
vf_uninit_filter_chain(sh_video->vfilter);
sh_video->initialized=0;
}
void vfm_help(void){
int i;
mp_msg(MSGT_DECVIDEO,MSGL_INFO,MSGTR_AvailableVideoFm);
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(mpcodecs_vd_drivers[i]->info->id==sh_video->codec->driver) break;
if(!strcmp(mpcodecs_vd_drivers[i]->info->short_name,sh_video->codec->drv)) break;
mpvdec=mpcodecs_vd_drivers[i];
#ifdef DYNAMIC_PLUGINS
if (!mpvdec)
{
/* try to open shared decoder plugin */
int buf_len;
char *buf;
vd_functions_t *funcs_sym;
vd_info_t *info_sym;
buf_len = strlen(MPLAYER_LIBDIR)+strlen(sh_video->codec->drv)+16;
buf = malloc(buf_len);
if (!buf)
break;
snprintf(buf, buf_len, "%s/mplayer/vd_%s.so", MPLAYER_LIBDIR, sh_video->codec->drv);
mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "Trying to open external plugin: %s\n", buf);
sh_video->dec_handle = dlopen(buf, RTLD_LAZY);
if (!sh_video->dec_handle)
break;
snprintf(buf, buf_len, "mpcodecs_vd_%s", sh_video->codec->drv);
funcs_sym = dlsym(sh_video->dec_handle, buf);
if (!funcs_sym || !funcs_sym->info || !funcs_sym->init ||
!funcs_sym->uninit || !funcs_sym->control || !funcs_sym->decode)
break;
info_sym = funcs_sym->info;
if (strcmp(info_sym->short_name, sh_video->codec->drv))
break;
free(buf);
mpvdec = funcs_sym;
mp_msg(MSGT_DECVIDEO, MSGL_V, "Using external decoder plugin (%s/mplayer/vd_%s.so)!\n",
MPLAYER_LIBDIR, sh_video->codec->drv);
}
#endif
if(!mpvdec){ // driver not available (==compiled in)
mp_msg(MSGT_DECVIDEO,MSGL_WARN,MSGTR_VideoCodecFamilyNotAvailableStr,
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()
mp_msg(MSGT_DECVIDEO,MSGL_INFO,MSGTR_OpeningVideoDecoder,mpvdec->info->short_name,mpvdec->info->name);
// clear vf init error, it is no longer relevant
if (sh_video->vf_initialized < 0)
sh_video->vf_initialized = 0;
if(!mpvdec->init(sh_video)){
mp_msg(MSGT_DECVIDEO,MSGL_INFO,MSGTR_VDecoderInitFailed);
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;
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_msg(MSGT_DECVIDEO,MSGL_INFO,MSGTR_ForcedVideoCodec,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_msg(MSGT_DECVIDEO,MSGL_INFO,MSGTR_TryForceVideoFmtStr,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_msg(MSGT_DECVIDEO,MSGL_ERR,MSGTR_CantFindVideoCodec,sh_video->format);
mp_msg(MSGT_DECAUDIO,MSGL_HINT, MSGTR_RTFMCodecs);
return 0; // failed
}
mp_msg(MSGT_DECVIDEO,MSGL_INFO,MSGTR_SelectedVideoCodec,
sh_video->codec->name,sh_video->codec->drv,sh_video->codec->info);
return 1; // success
}
void *decode_video(sh_video_t *sh_video, unsigned char *start, int in_size,
int drop_frame, double pts)
{
mp_image_t *mpi = NULL;
unsigned int t = GetTimer();
unsigned int t2;
double tt;
if (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++;
}
}
mpi = mpvdec->decode(sh_video, start, in_size, drop_frame);
//------------------------ frame decoded. --------------------
#ifdef HAVE_MMX
// some codecs are broken, and doesn't restore MMX state :(
// it happens usually with broken/damaged files.
if (gCpuCaps.has3DNow) {
__asm __volatile ("femms\n\t":::"memory");
}
else if (gCpuCaps.hasMMX) {
__asm __volatile ("emms\n\t":::"memory");
}
#endif
t2 = GetTimer(); t = t2-t;
tt = t*0.000001f;
video_time_usage += tt;
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;
if (correct_pts) {
if (sh_video->num_buffered_pts) {
sh_video->num_buffered_pts--;
sh_video->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->pts = MP_NOPTS_VALUE;
}
}
return mpi;
}
int filter_video(sh_video_t *sh_video, void *frame, double pts)
{
mp_image_t *mpi = frame;
unsigned int t2 = GetTimer();
vf_instance_t *vf = sh_video->vfilter;
// apply video filters and call the leaf vo/ve
int ret = vf->put_image(vf, mpi, pts);
if (ret > 0) {
vf->control(vf, VFCTRL_DRAW_OSD, NULL);
#ifdef USE_ASS
vf->control(vf, VFCTRL_DRAW_EOSD, NULL);
#endif
}
t2 = GetTimer()-t2;
vout_time_usage += t2*0.000001;
return ret;
}
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