TOOLS/dump_mp4.c

   1 #include <stdio.h>
   2
   3 int main(void){
   4 int c;
   5 unsigned int head=-1;
   6 int pos=-3;
   7
   8 while((c=getchar())>=0){
   9     head<<=8;
  10     if(head==0x100){
  11         int startcode=head|c;
  12         printf("%08X 1%02X ",pos,c);
  13             if     (startcode<=0x11F) printf("Video Object Start");
  14             else if(startcode<=0x12F) printf("Video Object Layer Start");
  15             else if(startcode<=0x13F) printf("Reserved");
  16             else if(startcode<=0x15F) printf("FGS bp start");
  17             else if(startcode<=0x1AF) printf("Reserved");
  18             else if(startcode==0x1B0) printf("Visual Object Seq Start");
  19             else if(startcode==0x1B1) printf("Visual Object Seq End");
  20             else if(startcode==0x1B2) printf("User Data");
  21             else if(startcode==0x1B3) printf("Group of VOP start");
  22             else if(startcode==0x1B4) printf("Video Session Error");
  23             else if(startcode==0x1B5) printf("Visual Object Start");
  24             else if(startcode==0x1B6) printf("Video Object Plane start");
  25             else if(startcode==0x1B7) printf("slice start");
  26             else if(startcode==0x1B8) printf("extension start");
  27             else if(startcode==0x1B9) printf("fgs start");
  28             else if(startcode==0x1BA) printf("FBA Object start");
  29             else if(startcode==0x1BB) printf("FBA Object Plane start");
  30             else if(startcode==0x1BC) printf("Mesh Object start");
  31             else if(startcode==0x1BD) printf("Mesh Object Plane start");
  32             else if(startcode==0x1BE) printf("Still Textutre Object start");
  33             else if(startcode==0x1BF) printf("Textutre Spatial Layer start");
  34             else if(startcode==0x1C0) printf("Textutre SNR Layer start");
  35             else if(startcode==0x1C1) printf("Textutre Tile start");
  36             else if(startcode==0x1C2) printf("Textutre Shape Layer start");
  37             else if(startcode==0x1C3) printf("stuffing start");
  38             else if(startcode<=0x1C5) printf("reserved");
  39             else if(startcode<=0x1FF) printf("System start");
  40             printf("\n");
  41     }
  42     head|=c;
  43     ++pos;
  44 }
  45
  46 return 0;
  47 }