mpv/TOOLS/dump_mp4.c

64 lines
2.7 KiB
C
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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
int main(void){
int c;
unsigned int head=-1;
int pos=-3;
while((c=getchar())>=0){
head<<=8;
if(head==0x100){
int startcode=head|c;
printf("%08X 1%02X ",pos,c);
if (startcode<=0x11F) printf("Video Object Start");
else if(startcode<=0x12F) printf("Video Object Layer Start");
else if(startcode<=0x13F) printf("Reserved");
else if(startcode<=0x15F) printf("FGS bp start");
else if(startcode<=0x1AF) printf("Reserved");
else if(startcode==0x1B0) printf("Visual Object Seq Start");
else if(startcode==0x1B1) printf("Visual Object Seq End");
else if(startcode==0x1B2) printf("User Data");
else if(startcode==0x1B3) printf("Group of VOP start");
else if(startcode==0x1B4) printf("Video Session Error");
else if(startcode==0x1B5) printf("Visual Object Start");
else if(startcode==0x1B6) printf("Video Object Plane start");
else if(startcode==0x1B7) printf("slice start");
else if(startcode==0x1B8) printf("extension start");
else if(startcode==0x1B9) printf("fgs start");
else if(startcode==0x1BA) printf("FBA Object start");
else if(startcode==0x1BB) printf("FBA Object Plane start");
else if(startcode==0x1BC) printf("Mesh Object start");
else if(startcode==0x1BD) printf("Mesh Object Plane start");
else if(startcode==0x1BE) printf("Still Textutre Object start");
else if(startcode==0x1BF) printf("Textutre Spatial Layer start");
else if(startcode==0x1C0) printf("Textutre SNR Layer start");
else if(startcode==0x1C1) printf("Textutre Tile start");
else if(startcode==0x1C2) printf("Textutre Shape Layer start");
else if(startcode==0x1C3) printf("stuffing start");
else if(startcode<=0x1C5) printf("reserved");
else if(startcode<=0x1FF) printf("System start");
printf("\n");
}
head|=c;
++pos;
}
return 0;
}