libmpcodecs/vd_mpegpes.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3
   4 #include "config.h"
   5 #include "mp_msg.h"
   6 #include "libmpdemux/mpeg_hdr.h"
   7
   8 #include "vd_internal.h"
   9
  10 static vd_info_t info =
  11 {
  12         "MPEG 1/2 Video passthrough",
  13         "mpegpes",
  14         "A'rpi",
  15         "A'rpi",
  16         "for hw decoders"
  17 };
  18
  19 LIBVD_EXTERN(mpegpes)
  20
  21 //#include "libmpdemux/parse_es.h"
  22
  23 #include "libvo/video_out.h"
  24
  25 // to set/get/query special features/parameters
  26 static int control(sh_video_t *sh,int cmd,void* arg,...){
  27     return CONTROL_UNKNOWN;
  28 }
  29
  30 // init driver
  31 static int init(sh_video_t *sh){
  32     return mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_MPEGPES);
  33 }
  34
  35 // uninit driver
  36 static void uninit(sh_video_t *sh){
  37 }
  38
  39 // decode a frame
  40 static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
  41     mp_image_t* mpi;
  42     static vo_mpegpes_t packet;
  43     mp_mpeg_header_t picture;
  44     const unsigned char *d = data;
  45
  46     if(len>10 && !d[0] && !d[1] && d[2]==1 && d[3]==0xB3) {
  47         float old_aspect = sh->aspect;
  48         int oldw = sh->disp_w, oldh = sh->disp_h;
  49         mp_header_process_sequence_header(&picture, &d[4]);
  50         sh->aspect = mpeg12_aspect_info(&picture);
  51         sh->disp_w = picture.display_picture_width;
  52         sh->disp_h = picture.display_picture_height;
  53         if(sh->aspect != old_aspect || sh->disp_w != oldw || sh->disp_h != oldh) {
  54             if(!mpcodecs_config_vo(sh, sh->disp_w,sh->disp_h,IMGFMT_MPEGPES))
  55                 return 0;
  56         }
  57     }
  58
  59     mpi=mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, 0, sh->disp_w, sh->disp_h);
  60     packet.data=data;
  61     packet.size=len;
  62     packet.timestamp=sh->timer*90000.0;
  63     packet.id=0x1E0; //+sh_video->ds->id;
  64     mpi->planes[0]=(uint8_t*)(&packet);
  65     return mpi;
  66 }