diff options
Diffstat (limited to 'TOOLS/movinfo.c')
| -rw-r--r-- | TOOLS/movinfo.c | 356 |
1 files changed, 0 insertions, 356 deletions
diff --git a/TOOLS/movinfo.c b/TOOLS/movinfo.c deleted file mode 100644 index df9c0e541d..0000000000 --- a/TOOLS/movinfo.c +++ /dev/null @@ -1,356 +0,0 @@ -/* show QuickTime .mov file structure (C) 2001. by A'rpi/ESP-team - * various hacks by alex@naxine.org - * - * 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. - */ - -/* - Blocks: 4bytes atom_size - 4bytes atom_type (name) - ... - - By older files, mdat is at the beginning, and moov follows it later, - by newer files, moov is at the begininng. - - Fontosabb typeok: - - trak: track: ezeken belul van egy-egy stream (video/audio) - tkhd: track header: fps (video esten picture size is itt van) - vmhd: video media handler (video stream informaciok) - smhd: sound media handler (audio stream informaciok) -*/ - -#include <stdio.h> -#include <stdlib.h> - -#undef NO_SPECIAL - -static char *atom2human_type(int type) -{ -switch (type) -{ - case 0x766F6F6D: return "Information sections"; /* moov */ - case 0x6468766D: return "Movie header"; /* mvhd */ - case 0x6169646D: return "Media stream"; /* mdia */ - case 0x64686D76: return "Video media header"; /* vmhd */ - case 0x64686D73: return "Sound media header"; /* smhd */ - case 0x6468646D: return "Media header"; /* mdhd */ - case 0x666E696D: return "Media information"; /* minf */ - case 0x726C6468: return "Handler reference"; /* hdlr */ - case 0x6B617274: return "New track (stream)"; /* trak */ - case 0x75716D72: return "rmqu"; - case 0x65657266: return "free"; - case 0x64686B74: return "Track header"; /* tkhd */ - case 0x61746475: return "User data"; /* udta */ - case 0x7461646D: return "Movie data"; /* mdat */ - case 0x6C627473: return "Sample information table"; /* stbl */ - case 0x64737473: return "Sample description"; /* stsd */ - case 0x6F637473: return "Chunk offset table"; /* stco */ - case 0x73747473: return "Sample time table"; /* stts */ - case 0x63737473: return "Sample->Chunk mapping table"; /* stsc */ - case 0x7A737473: return "Sample size table"; /* stsz */ -} - return "unknown"; -} - -#define S_NONE 0 -#define S_AUDIO 1 -#define S_VIDEO 2 -int stream = S_NONE; -int v_stream = 0; -int a_stream = 0; - -static unsigned int read_dword(FILE *f){ - unsigned char atom_size_b[4]; - if(fread(&atom_size_b,4,1,f)<=0) return -1; - return (atom_size_b[0]<<24)|(atom_size_b[1]<<16)|(atom_size_b[2]<<8)|atom_size_b[3]; -} - -static void video_stream_info(FILE *f, int len) -{ - int orig_pos = ftell(f); - unsigned char data[len-8]; - int i; -// char codec[len-8]; - - len -= 8; - for (i=0; i<len; i++) - fread(&data[i], 1, 1, f); - -// strncpy(codec, &data[43], len-43); -// printf(" [codec: %s]\n", &codec); - fseek(f,orig_pos,SEEK_SET); -} - -static void audio_stream_info(FILE *f, int len) -{ - int orig_pos = ftell(f); - unsigned char data[len-8]; - int i; - - len -= 8; - for (i=0; i<len; i++) - fread(&data[i], 1, 1, f); - - printf(" [%d bit", data[19]); - if (data[17] == 1) - printf(" mono"); - else - printf(" %d channels", data[17]); - printf("]\n"); - fseek(f,orig_pos,SEEK_SET); -} - -#if 0 -static void userdata_info(FILE *f, int len, int pos, int level) -{ - int orig_pos = pos; /*ftell(f);*/ - unsigned int atom_size = 1; - unsigned int atom_type; - -// printf("userdata @ %d:%d (%d)\n", pos, pos+len, len); - -// fseek(f, pos+3, SEEK_SET); - - while (atom_size != 0) - { - atom_size=read_dword(f);// if(fread(&atom_size_b,4,1,f)<=0) break; - if(fread(&atom_type,4,1,f)<=0) break; - - if(atom_size<8) break; // error - -// printf("%08X: %*s %.4s (%08X) %05d (begin: %08X)\n",pos,level*2,"", -// &atom_type,atom_type,atom_size,pos+8); - - switch(atom_type) - { - case 0x797063A9: /* cpy (copyright) */ - { - char *data = malloc(atom_size-8); - - fseek(f, pos+6, SEEK_SET); - fread(data, atom_size-8, 1, f); - printf(" Copyright: %s\n", data); - free(data); - } - break; - case 0x666E69A9: /* inf (information) */ - { - char data[atom_size-8]; - - fread(&data, 1, atom_size-8, f); - printf(" Owner: %s\n", &data); - } - break; - case 0x6D616EA9: /* nam (name) */ - { - char data[atom_size-8]; - - fread(&data, 1, atom_size-8, f); - printf(" Name: %s\n", &data); - } - break; - } - } - fseek(f,orig_pos,SEEK_SET); -} -#endif - -int time_scale = 0; - -static void lschunks(FILE *f,int level,unsigned int endpos){ - unsigned int atom_size; - unsigned int atom_type; - int pos; - - while(endpos==0 || ftell(f)<endpos){ - pos=ftell(f); - atom_size=read_dword(f);// if(fread(&atom_size_b,4,1,f)<=0) break; - if(fread(&atom_type,4,1,f)<=0) break; - - if(atom_size<8) break; // error - - printf("%08X: %*s %.4s (%08X) %05d [%s] (begin: %08X)\n",pos,level*2,"",&atom_type,atom_type,atom_size, - atom2human_type(atom_type), pos+8); // 8: atom_size fields (4) + atom_type fields (4) - -#ifndef NO_SPECIAL -// if (atom_type == 0x61746475) -// userdata_info(f, atom_size, pos, level); - - if (atom_type == 0x6468646D) - { - char data[4]; - - fread(&data, 1, 1, f); // char - printf("mdhd version %d\n", data[0]); - fread(&data, 3, 1, f); // int24 - fread(&data, 4, 1, f); // int32 - fread(&data, 4, 1, f); // int32 - fread(&data, 4, 1, f); // int32 - time_scale = (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3]; - printf("timescale: %d\n", time_scale); - fread(&data, 4, 1, f); // int32 - fread(&data, 2, 1, f); // int16 - fread(&data, 2, 1, f); // int16 - } - - if (atom_type == 0x64686D76) - { - stream = S_VIDEO; - printf(" Found VIDEO Stream #%d\n", v_stream++); - } - - if (atom_type == 0x64686D73) - { - stream = S_AUDIO; - printf(" Found AUDIO Stream #%d\n", a_stream++); - } - - if (atom_type == 0x64686B74) // tkhd - track header - { - int i; - unsigned char data[atom_size]; - int x, y; - - for (i=0; i<atom_size; i++) - fread(&data[i], 1, 1, f); - - x = data[77]; - y = data[81]; - printf(" Flags: %d\n", data[3]); - printf(" Picture size: %dx%d\n", x, y); - if (x == 0 && y == 0) - printf(" Possible audio stream!\n"); - } - - if(atom_type==0x64737473) { // stsd - unsigned int tmp; - unsigned int count; - int i; - fread(&tmp,4,1,f); - count=read_dword(f);// fread(&count,4,1,f); - printf("desc count = %d\n",count); - for(i=0;i<count;i++){ - unsigned int len; - unsigned int format; - len=read_dword(f); // fread(&len,4,1,f); - fread(&format,4,1,f); - printf(" desc #%d: %.4s (%d)\n",i+1,&format,len); - if (stream == S_VIDEO) - video_stream_info(f, len); - if (stream == S_AUDIO) - audio_stream_info(f, len); - fseek(f,len-8,SEEK_CUR); - } - } - - if(atom_type==0x6F637473) { // stco - int len,i; - read_dword(f); - len=read_dword(f); - printf("Chunk table size :%d\n",len); - for(i=0;i<len;i++) printf(" chunk #%d: 0x%X\n",i+1,read_dword(f)); - } - - - if(atom_type==0x73747473) { // stts - int len,i; - read_dword(f); - len=read_dword(f); - printf("T->S table size :%d\n",len); - for(i=0;i<len;i++){ - int num=read_dword(f); - int dur=read_dword(f); - printf("%5d samples: %d duration", num, dur); - if (stream == S_AUDIO) - printf("(rate: %f Hz)\n", (float)time_scale/dur); - else - printf("(fps: %f)\n", (float)time_scale/dur); - } - } - - if(atom_type==0x63737473) { // stsc - int len,i; - read_dword(f); - len=read_dword(f); - printf("S->C table size :%d\n",len); - for(i=0;i<len;i++){ - int first=read_dword(f); - int spc=read_dword(f); - int sdid=read_dword(f); - printf(" chunk %d... %d s/c desc: %d\n",first,spc,sdid); - } - } - - if(atom_type==0x7A737473) { // stsz - int len,i,ss; - read_dword(f); - ss=read_dword(f); - len=read_dword(f); - printf("Sample size table len: %d\n",len); - if(ss){ - printf(" common sample size: %d bytes\n",ss); - } else { - for(i=0;i<len;i++) printf(" sample #%d: %d bytes\n",i+1,read_dword(f)); - } - } -#endif - -#if 1 - switch(atom_type){ - case 0x7461646D: // mdat Movie data - case 0x75716D72: // rmqu - case 0x65657266: // free JUNK - case 0x64686B74: // tkhd Track header - case 0x61746475: // udta User data - case 0x64737473: // stsd Sample description - case 0x6F637473: // stco Chunk offset table - case 0x73747473: // stts Sample time table - case 0x63737473: // stsc Sample->Chunk mapping table - case 0x7A737473: // stsz Sample size table - case 0x746f6e70: // pnot - case 0x54434950: // PICT - case 0x70797466: - break; - default: lschunks(f,level+1,pos+atom_size); - } -#else - switch(atom_type){ - case 0x766F6F6D: // moov - case 0x61726D72: // rmra - case 0x61646D72: // rmda - lschunks(f,level+1,pos+atom_size); - } -#endif - fseek(f,pos+atom_size,SEEK_SET); - } -} - -int main(int argc,char* argv[]) -{ - FILE *f; - - if ((f = fopen(argc>1?argv[1]:"Akira.mov","rb")) == NULL) - return 1; - - printf("%.8s %.4s (%.8s) %5s [%s]\n\n", - "position", "atom", "atomtype", "len", "human readable atom name"); - - lschunks(f, 0, 0); - - printf("\nSummary: streams: %d video/%d audio\n", v_stream, a_stream); - - return 0; -} |