mirror of
https://github.com/mpv-player/mpv
synced 2024-12-21 06:14:32 +00:00
c5d5fe98b2
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@26607 b3059339-0415-0410-9bf9-f77b7e298cf2
256 lines
9.0 KiB
C
256 lines
9.0 KiB
C
#define SAVE_STREAMS
|
|
|
|
// simple ASF header display program by A'rpi/ESP-team
|
|
// .asf fileformat docs from http://divx.euro.ru
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
typedef struct __attribute__((packed))
|
|
{
|
|
long biSize; // sizeof(BITMAPINFOHEADER)
|
|
long biWidth;
|
|
long biHeight;
|
|
short biPlanes; // unused
|
|
short biBitCount;
|
|
long biCompression; // fourcc of image
|
|
long biSizeImage; // size of image. For uncompressed images
|
|
// ( biCompression 0 or 3 ) can be zero.
|
|
|
|
|
|
long biXPelsPerMeter; // unused
|
|
long biYPelsPerMeter; // unused
|
|
long biClrUsed; // valid only for palettized images.
|
|
// Number of colors in palette.
|
|
long biClrImportant;
|
|
} BITMAPINFOHEADER;
|
|
|
|
typedef struct
|
|
{
|
|
short wFormatTag; // value that identifies compression format
|
|
short nChannels;
|
|
long nSamplesPerSec;
|
|
long nAvgBytesPerSec;
|
|
short nBlockAlign; // size of a data sample
|
|
short wBitsPerSample;
|
|
short cbSize; // size of format-specific data
|
|
} WAVEFORMATEX;
|
|
|
|
typedef struct __attribute__((packed)) {
|
|
unsigned char guid[16];
|
|
unsigned long long size;
|
|
} ASF_obj_header_t;
|
|
|
|
typedef struct __attribute__((packed)) {
|
|
ASF_obj_header_t objh;
|
|
unsigned int cno; // number of subchunks
|
|
unsigned char v1; // unknown (0x01)
|
|
unsigned char v2; // unknown (0x02)
|
|
} ASF_header_t;
|
|
|
|
typedef struct __attribute__((packed)) {
|
|
unsigned char client[16]; // Client GUID
|
|
unsigned long long file_size;
|
|
unsigned long long creat_time; //File creation time FILETIME 8
|
|
unsigned long long packets; //Number of packets UINT64 8
|
|
unsigned long long end_timestamp; //Timestamp of the end position UINT64 8
|
|
unsigned long long duration; //Duration of the playback UINT64 8
|
|
unsigned long start_timestamp; //Timestamp of the start position UINT32 4
|
|
unsigned long unk1; //Unknown, maybe reserved ( usually contains 0 ) UINT32 4
|
|
unsigned long flags; //Unknown, maybe flags ( usually contains 2 ) UINT32 4
|
|
unsigned long packetsize; //Size of packet, in bytes UINT32 4
|
|
unsigned long packetsize2; //Size of packet ( confirm ) UINT32 4
|
|
unsigned long frame_size; //Size of uncompressed video frame UINT32 4
|
|
} ASF_file_header_t;
|
|
|
|
typedef struct __attribute__((packed)) {
|
|
unsigned char type[16]; // Stream type (audio/video) GUID 16
|
|
unsigned char concealment[16]; // Audio error concealment type GUID 16
|
|
unsigned long long unk1; // Unknown, maybe reserved ( usually contains 0 ) UINT64 8
|
|
unsigned long type_size; //Total size of type-specific data UINT32 4
|
|
unsigned long stream_size; //Size of stream-specific data UINT32 4
|
|
unsigned short stream_no; //Stream number UINT16 2
|
|
unsigned long unk2; //Unknown UINT32 4
|
|
} ASF_stream_header_t;
|
|
|
|
typedef struct __attribute__((packed)) {
|
|
unsigned char streamno;
|
|
unsigned char seq;
|
|
unsigned long x;
|
|
unsigned char flag;
|
|
} ASF_segmhdr_t;
|
|
|
|
|
|
ASF_header_t asfh;
|
|
ASF_obj_header_t objh;
|
|
ASF_file_header_t fileh;
|
|
ASF_stream_header_t streamh;
|
|
unsigned char buffer[8192];
|
|
|
|
int i;
|
|
|
|
static char* chunk_type(unsigned char* guid){
|
|
switch(*((unsigned int*)guid)){
|
|
case 0xF8699E40: return "guid_audio_stream";
|
|
case 0xBC19EFC0: return "guid_video_stream";
|
|
case 0x49f1a440: return "guid_audio_conceal_none";
|
|
case 0xbfc3cd50: return "guid_audio_conceal_interleave";
|
|
case 0x75B22630: return "guid_header";
|
|
case 0x75b22636: return "guid_data_chunk";
|
|
case 0x33000890: return "guid_index_chunk";
|
|
case 0xB7DC0791: return "guid_stream_header";
|
|
case 0xD6E229D1: return "guid_header_2_0";
|
|
case 0x8CABDCA1: return "guid_file_header";
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static void print_wave_header(WAVEFORMATEX *h){
|
|
|
|
printf("======= WAVE Format =======\n");
|
|
|
|
printf("Format Tag: %d (0x%X)\n",h->wFormatTag,h->wFormatTag);
|
|
printf("Channels: %d\n",h->nChannels);
|
|
printf("Samplerate: %ld\n",h->nSamplesPerSec);
|
|
printf("avg byte/sec: %ld\n",h->nAvgBytesPerSec);
|
|
printf("Block align: %d\n",h->nBlockAlign);
|
|
printf("bits/sample: %d\n",h->wBitsPerSample);
|
|
printf("cbSize: %d\n",h->cbSize);
|
|
|
|
switch(h->wFormatTag){
|
|
case 0x01: printf("Audio in PCM format\n");break;
|
|
case 0x50: printf("Audio in MPEG Layer 1/2 format\n");break;
|
|
case 0x55: printf("Audio in MPEG Layer-3 format\n");break; // ACM
|
|
case 0x02: printf("Audio in MS ADPCM format\n");break; // ACM
|
|
case 0x11: printf("Audio in IMA ADPCM format\n");break; // ACM
|
|
case 0x31:
|
|
case 0x32: printf("Audio in MS GSM 6.10 format\n");break; // ACM
|
|
case 0x160:
|
|
case 0x161: printf("Audio in DivX WMA format\n");break; // ACM
|
|
default: printf("Audio in UNKNOWN (id=0x%X) format\n",h->wFormatTag);
|
|
}
|
|
|
|
printf("===========================\n");
|
|
|
|
|
|
}
|
|
|
|
static void print_video_header(BITMAPINFOHEADER *h){
|
|
printf("======= VIDEO Format ======\n");
|
|
printf(" biSize %ld\n", h->biSize);
|
|
printf(" biWidth %ld\n", h->biWidth);
|
|
printf(" biHeight %ld\n", h->biHeight);
|
|
printf(" biPlanes %d\n", h->biPlanes);
|
|
printf(" biBitCount %d\n", h->biBitCount);
|
|
printf(" biCompression %ld='%.4s'\n", h->biCompression, &h->biCompression);
|
|
printf(" biSizeImage %ld\n", h->biSizeImage);
|
|
printf("===========================\n");
|
|
}
|
|
|
|
FILE* streams[128];
|
|
|
|
int main(int argc,char* argv[]){
|
|
FILE *f=fopen(argc>1?argv[1]:"Alice Deejay - Back In My Life.asf","rb");
|
|
|
|
if(!f){ printf("file not found\n");exit(1);}
|
|
|
|
//printf("sizeof=%d\n",sizeof(objh));
|
|
//printf("sizeof=%d\n",sizeof(asfh));
|
|
|
|
fread(&asfh,sizeof(asfh),1,f); // header obj
|
|
//for(i=0;i<16;i++) printf("%02X ",asfh.objh.guid[i]);
|
|
printf("[%s] %d (subchunks: %d)\n",chunk_type(asfh.objh.guid),(int) asfh.objh.size,asfh.cno);
|
|
|
|
while(fread(&objh,sizeof(objh),1,f)>0){
|
|
int pos=ftell(f);
|
|
// for(i=0;i<16;i++) printf("%02X ",objh.guid[i]);
|
|
printf("0x%08X [%s] %d\n",pos-sizeof(objh), chunk_type(objh.guid),(int) objh.size);
|
|
switch(*((unsigned int*)&objh.guid)){
|
|
case 0xB7DC0791: // guid_stream_header
|
|
fread(&streamh,sizeof(streamh),1,f);
|
|
printf("stream type: %s\n",chunk_type(streamh.type));
|
|
printf("stream concealment: %s\n",chunk_type(streamh.concealment));
|
|
printf("type: %d bytes, stream: %d bytes ID: %d\n",(int)streamh.type_size,(int)streamh.stream_size,(int)streamh.stream_no);
|
|
printf("FILEPOS=0x%lX\n",ftell(f));
|
|
// type-specific data:
|
|
fread(buffer,streamh.type_size,1,f);
|
|
switch(*((unsigned int*)&streamh.type)){
|
|
case 0xF8699E40: // guid_audio_stream
|
|
print_wave_header((WAVEFORMATEX*)buffer);
|
|
break;
|
|
case 0xBC19EFC0: // guid_video_stream
|
|
print_video_header((BITMAPINFOHEADER*)&buffer[4+4+1+2]);
|
|
break;
|
|
}
|
|
// stream-specific data:
|
|
fread(buffer,streamh.stream_size,1,f);
|
|
break;
|
|
// case 0xD6E229D1: return "guid_header_2_0";
|
|
case 0x8CABDCA1: // guid_file_header
|
|
fread(&fileh,sizeof(fileh),1,f);
|
|
printf("packets: %d flags: %d pack_size: %d frame_size: %d\n",(int)fileh.packets,(int)fileh.flags,(int)fileh.packetsize,(int)fileh.frame_size);
|
|
break;
|
|
case 0x75b22636: // guid_data_chunk
|
|
{ int endp=pos+objh.size-sizeof(objh);
|
|
unsigned char* packet=malloc((int)fileh.packetsize);
|
|
int fpos;
|
|
fseek(f,26,SEEK_CUR);
|
|
while((fpos=ftell(f))<endp){
|
|
fread(packet,(int)fileh.packetsize,1,f);
|
|
if(packet[0]==0x82){
|
|
unsigned char flags=packet[3];
|
|
unsigned char* p=&packet[5];
|
|
unsigned long time;
|
|
unsigned short duration;
|
|
int segs=1;
|
|
int seg;
|
|
int padding=0;
|
|
if(flags&8){
|
|
padding=p[0];++p;
|
|
} else
|
|
if(flags&16){
|
|
padding=p[0]|(p[1]<<8);p+=2;
|
|
}
|
|
time=*((unsigned long*)p);p+=4;
|
|
duration=*((unsigned short*)p);p+=2;
|
|
if(flags&1){
|
|
segs=p[0]-0x80;++p;
|
|
}
|
|
printf("%08X: flag=%02X segs=%d pad=%d time=%ld dur=%d\n",
|
|
fpos,flags,segs,padding,time,duration);
|
|
for(seg=0;seg<segs;seg++){
|
|
ASF_segmhdr_t* sh=(ASF_segmhdr_t*)p;
|
|
int len=0;
|
|
p+=sizeof(ASF_segmhdr_t);
|
|
if(sh->flag&8) p+=8;// else
|
|
if(sh->flag&1) ++p;
|
|
if(flags&1){
|
|
len=*((unsigned short*)p);p+=2;
|
|
}
|
|
printf(" seg #%d: streamno=%d seq=%d flag=%02X len=%d\n",seg,sh->streamno&0x7F,sh->seq,sh->flag,len);
|
|
#ifdef SAVE_STREAMS
|
|
if(!streams[sh->streamno&0x7F]){
|
|
char name[256];
|
|
snprintf(name,256,"stream%02X.dat",sh->streamno&0x7F);
|
|
streams[sh->streamno&0x7F]=fopen(name,"wb");
|
|
}
|
|
fwrite(p,len,1,streams[sh->streamno&0x7F]);
|
|
#endif
|
|
p+=len;
|
|
}
|
|
} else
|
|
printf("%08X: UNKNOWN %02X %02X %02X %02X %02X...\n",fpos,packet[0],packet[1],packet[2],packet[3],packet[4]);
|
|
}
|
|
}
|
|
break;
|
|
|
|
// case 0x33000890: return "guid_index_chunk";
|
|
|
|
}
|
|
fseek(f,pos+objh.size-sizeof(objh),SEEK_SET);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|