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mpv/libmpcodecs/vd_mpegpes.c
Uoti Urpala 31db39d8ec Make video decoder description structs const
This makes the per-decoder struct vd_functions and its ->info
struct constants. Same for the mpcodecs_vd_drivers[] table of
pointers to those structs.
2008-04-25 07:16:32 +03:00

67 lines
1.7 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include "config.h"
#include "mp_msg.h"
#include "libmpdemux/mpeg_hdr.h"
#include "vd_internal.h"
static const vd_info_t info =
{
"MPEG 1/2 Video passthrough",
"mpegpes",
"A'rpi",
"A'rpi",
"for hw decoders"
};
LIBVD_EXTERN(mpegpes)
//#include "libmpdemux/parse_es.h"
#include "libvo/video_out.h"
// to set/get/query special features/parameters
static int control(sh_video_t *sh,int cmd,void* arg,...){
return CONTROL_UNKNOWN;
}
// init driver
static int init(sh_video_t *sh){
return mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_MPEGPES);
}
// uninit driver
static void uninit(sh_video_t *sh){
}
// decode a frame
static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
mp_image_t* mpi;
static vo_mpegpes_t packet;
mp_mpeg_header_t picture;
const unsigned char *d = data;
if(len>10 && !d[0] && !d[1] && d[2]==1 && d[3]==0xB3) {
float old_aspect = sh->aspect;
int oldw = sh->disp_w, oldh = sh->disp_h;
mp_header_process_sequence_header(&picture, &d[4]);
sh->aspect = mpeg12_aspect_info(&picture);
sh->disp_w = picture.display_picture_width;
sh->disp_h = picture.display_picture_height;
if(sh->aspect != old_aspect || sh->disp_w != oldw || sh->disp_h != oldh) {
if(!mpcodecs_config_vo(sh, sh->disp_w,sh->disp_h,IMGFMT_MPEGPES))
return 0;
}
}
mpi=mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, 0, sh->disp_w, sh->disp_h);
packet.data=data;
packet.size=len;
packet.timestamp=sh->timer*90000.0;
packet.id=0x1E0; //+sh_video->ds->id;
mpi->planes[0]=(uint8_t*)(&packet);
return mpi;
}