mpv/libmpcodecs/dec_video.c

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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 "linux/timer.h"
#include "linux/shmem.h"
extern int verbose; // defined in mplayer.c
#include "stream.h"
#include "demuxer.h"
#include "parse_es.h"
#include "codec-cfg.h"
#include "libvo/video_out.h"
#include "stheader.h"
#include "vd.h"
#include "dec_video.h"
// ===================================================================
extern double video_time_usage;
extern double vout_time_usage;
extern vo_vaa_t vo_vaa;
#include "postproc/postprocess.h"
#include "cpudetect.h"
int divx_quality=0;
vd_functions_t* mpvdec=NULL;
int get_video_quality_max(sh_video_t *sh_video){
if(mpvdec){
int ret=mpvdec->control(sh_video,VDCTRL_QUERY_MAX_PP_LEVEL,NULL);
if(ret>=0) return ret;
}
return 0;
}
void set_video_quality(sh_video_t *sh_video,int quality){
if(mpvdec)
mpvdec->control(sh_video,VDCTRL_SET_PP_LEVEL, (void*)(&quality));
}
int set_video_colors(sh_video_t *sh_video,char *item,int value)
{
if(vo_vaa.get_video_eq)
{
vidix_video_eq_t veq;
if(vo_vaa.get_video_eq(&veq) == 0)
{
int v_hw_equ_cap = veq.cap;
if(v_hw_equ_cap != 0)
{
if(vo_vaa.set_video_eq)
{
vidix_video_eq_t veq;
veq.flags = VEQ_FLG_ITU_R_BT_601; /* Fixme please !!! */
if(strcmp(item,"Brightness") == 0)
{
if(!(v_hw_equ_cap & VEQ_CAP_BRIGHTNESS)) goto try_sw_control;
veq.brightness = value*10;
veq.cap = VEQ_CAP_BRIGHTNESS;
}
else
if(strcmp(item,"Contrast") == 0)
{
if(!(v_hw_equ_cap & VEQ_CAP_CONTRAST)) goto try_sw_control;
veq.contrast = value*10;
veq.cap = VEQ_CAP_CONTRAST;
}
else
if(strcmp(item,"Saturation") == 0)
{
if(!(v_hw_equ_cap & VEQ_CAP_SATURATION)) goto try_sw_control;
veq.saturation = value*10;
veq.cap = VEQ_CAP_SATURATION;
}
else
if(strcmp(item,"Hue") == 0)
{
if(!(v_hw_equ_cap & VEQ_CAP_HUE)) goto try_sw_control;
veq.hue = value*10;
veq.cap = VEQ_CAP_HUE;
}
else goto try_sw_control;;
vo_vaa.set_video_eq(&veq);
}
return 1;
}
}
}
try_sw_control:
if(mpvdec) return mpvdec->control(sh_video,VDCTRL_SET_EQUALIZER,item,(int)value);
return 0;
}
void uninit_video(sh_video_t *sh_video){
if(!sh_video->inited) return;
mp_msg(MSGT_DECVIDEO,MSGL_V,"uninit video: %d \n",sh_video->codec->driver);
mpvdec->uninit(sh_video);
sh_video->inited=0;
}
int init_video(sh_video_t *sh_video,char* codecname,int vfm,int status){
sh_video->codec=NULL;
while((sh_video->codec=find_codec(sh_video->format,
sh_video->bih?((unsigned int*) &sh_video->bih->biCompression):NULL,
sh_video->codec,0) )){
// ok we found one codec
int i;
if(codecname && strcmp(sh_video->codec->name,codecname)) continue; // -vc
if(vfm>=0 && sh_video->codec->driver!=vfm) continue; // vfm doesn't match
if(sh_video->codec->status<status) continue; // too unstable
// 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;
mpvdec=mpcodecs_vd_drivers[i];
if(!mpvdec){ // driver not available (==compiled in)
mp_msg(MSGT_DECVIDEO,MSGL_ERR,"Requested video codec family [%s] (vfm=%d) not available (enable it at compile time!)\n",
sh_video->codec->name, sh_video->codec->driver);
continue;
}
// it's available, let's try to init!
printf("Opening Video Decoder: [%s] %s\n",mpvdec->info->short_name,mpvdec->info->name);
if(!mpvdec->init(sh_video)){
printf("VDecoder init failed :(\n");
continue; // try next...
}
// Yeah! We got it!
sh_video->inited=1;
return 1;
}
return 0;
}
extern int vo_directrendering;
int decode_video(vo_functions_t *video_out,sh_video_t *sh_video,unsigned char *start,int in_size,int drop_frame){
mp_image_t *mpi=NULL;
int blit_frame=0;
unsigned int t=GetTimer();
unsigned int t2;
double tt;
sh_video->video_out=video_out;
//if(!(sh_video->ds->flags&1) || sh_video->ds->pack_no<5)
mpi=mpvdec->decode(sh_video, start, in_size, drop_frame);
//------------------------ frame decoded. --------------------
#ifdef ARCH_X86
// some codecs is 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
if(!mpi) return 0; // error / skipped frame
t2=GetTimer();t=t2-t;
tt = t*0.000001f;
video_time_usage+=tt;
if(drop_frame) return 0;
if(!(mpi->flags&(MP_IMGFLAG_DIRECT|MP_IMGFLAG_DRAW_CALLBACK))){
// blit frame:
if(mpi->flags&MP_IMGFLAG_PLANAR)
video_out->draw_slice(mpi->planes,mpi->stride,sh_video->disp_w,sh_video->disp_h,0,0);
else
video_out->draw_frame(mpi->planes);
}
t2=GetTimer()-t2;
tt=t2*0.000001f;
vout_time_usage+=tt;
blit_frame=1;
return blit_frame;
}