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-rw-r--r--TOOLS/asfinfo.c255
1 files changed, 255 insertions, 0 deletions
diff --git a/TOOLS/asfinfo.c b/TOOLS/asfinfo.c
new file mode 100644
index 0000000000..3e26bfe18a
--- /dev/null
+++ b/TOOLS/asfinfo.c
@@ -0,0 +1,255 @@
+#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;
+
+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;
+}
+
+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: %d\n",h->nSamplesPerSec);
+ printf("avg byte/sec: %d\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");
+
+
+}
+
+void print_video_header(BITMAPINFOHEADER *h){
+ printf("======= VIDEO Format ======\n");
+ printf(" biSize %d\n", h->biSize);
+ printf(" biWidth %d\n", h->biWidth);
+ printf(" biHeight %d\n", h->biHeight);
+ printf(" biPlanes %d\n", h->biPlanes);
+ printf(" biBitCount %d\n", h->biBitCount);
+ printf(" biCompression %d='%.4s'\n", h->biCompression, &h->biCompression);
+ printf(" biSizeImage %d\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%X\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=%d 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];
+ sprintf(name,"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);
+}
+
+
+}
+
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