// .asf fileformat docs from http://divx.euro.ru #include #include extern int verbose; // defined in mplayer.c #include "stream.h" #include "demuxer.h" #include "wine/mmreg.h" #include "wine/avifmt.h" #include "wine/vfw.h" #include "codec-cfg.h" #include "stheader.h" // BB: Moved to asf.h --------------------- FROM HERE ------------------- #ifndef STREAMING 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 short title_size; unsigned short author_size; unsigned short copyright_size; unsigned short comment_size; unsigned short rating_size; } ASF_content_description_t; #else #include "asf.h" #endif // BB: Moved to asf.h --------------------- TO HERE ------------------- static ASF_header_t asfh; static ASF_obj_header_t objh; static ASF_file_header_t fileh; static ASF_stream_header_t streamh; static ASF_content_description_t contenth; unsigned char* asf_packet=NULL; int asf_scrambling_h=1; int asf_scrambling_w=1; int asf_scrambling_b=1; int asf_packetsize=0; //int i; // the variable string is modify in this function void pack_asf_string(char* string, int length) { int i,j; if( string==NULL ) return; for( i=0, j=0; istream,(char*) &asfh,sizeof(asfh)); // header obj // for(i=0;i<16;i++) printf(" %02X",temp[i]);printf("\n"); // for(i=0;i<16;i++) printf(" %02X",asfhdrguid[i]);printf("\n"); if(memcmp(asfhdrguid,asfh.objh.guid,16)){ if(verbose) printf("ASF_check: not ASF guid!\n"); return 0; // not ASF guid } if(asfh.cno>256){ if(verbose) printf("ASF_check: invalid subchunks_no %d\n",(int) asfh.cno); return 0; // invalid header??? } return 1; } extern void print_wave_header(WAVEFORMATEX *h); extern void print_video_header(BITMAPINFOHEADER *h); int read_asf_header(demuxer_t *demuxer){ static unsigned char buffer[1024]; #if 1 //printf("ASF file! (subchunks: %d)\n",asfh.cno); while(!stream_eof(demuxer->stream)){ int pos,endpos; pos=stream_tell(demuxer->stream); stream_read(demuxer->stream,(char*) &objh,sizeof(objh)); if(stream_eof(demuxer->stream)) break; // EOF endpos=pos+objh.size; // for(i=0;i<16;i++) printf("%02X ",objh.guid[i]); //printf("0x%08X [%s] %d\n",pos, asf_chunk_type(objh.guid),(int) objh.size); switch(*((unsigned int*)&objh.guid)){ case 0xB7DC0791: // guid_stream_header stream_read(demuxer->stream,(char*) &streamh,sizeof(streamh)); if(verbose){ printf("stream type: %s\n",asf_chunk_type(streamh.type)); printf("stream concealment: %s\n",asf_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("unk1: %lX unk2: %X\n",(unsigned long)streamh.unk1,(unsigned int)streamh.unk2); printf("FILEPOS=0x%X\n",stream_tell(demuxer->stream)); } if(streamh.type_size>1024 || streamh.stream_size>1024){ printf("FATAL: header size bigger than 1024 bytes!\n"); printf("Please contact mplayer authors, and upload/send this file.\n"); exit(1); } // type-specific data: stream_read(demuxer->stream,(char*) buffer,streamh.type_size); switch(*((unsigned int*)&streamh.type)){ case 0xF8699E40: { // guid_audio_stream sh_audio_t* sh_audio=new_sh_audio(demuxer,streamh.stream_no & 0x7F); sh_audio->wf=calloc((streamh.type_sizewf,buffer,streamh.type_size); if(verbose>=1) print_wave_header(sh_audio->wf); if((*((unsigned int*)&streamh.concealment))==0xbfc3cd50){ stream_read(demuxer->stream,(char*) buffer,streamh.stream_size); asf_scrambling_h=buffer[0]; asf_scrambling_w=(buffer[2]<<8)|buffer[1]; asf_scrambling_b=(buffer[4]<<8)|buffer[3]; asf_scrambling_w/=asf_scrambling_b; } else { asf_scrambling_b=asf_scrambling_h=asf_scrambling_w=1; } printf("ASF: audio scrambling: %d x %d x %d\n",asf_scrambling_h,asf_scrambling_w,asf_scrambling_b); //if(demuxer->audio->id==-1) demuxer->audio->id=streamh.stream_no & 0x7F; break; } case 0xBC19EFC0: { // guid_video_stream sh_video_t* sh_video=new_sh_video(demuxer,streamh.stream_no & 0x7F); int len=streamh.type_size-(4+4+1+2); // sh_video->bih=malloc(chunksize); memset(sh_video->bih,0,chunksize); sh_video->bih=calloc((lenbih,&buffer[4+4+1+2],len); //sh_video->fps=(float)sh_video->video.dwRate/(float)sh_video->video.dwScale; //sh_video->frametime=(float)sh_video->video.dwScale/(float)sh_video->video.dwRate; if(verbose>=1) print_video_header(sh_video->bih); //asf_video_id=streamh.stream_no & 0x7F; //if(demuxer->video->id==-1) demuxer->video->id=streamh.stream_no & 0x7F; break; } } // stream-specific data: // stream_read(demuxer->stream,(char*) buffer,streamh.stream_size); break; // case 0xD6E229D1: return "guid_header_2_0"; case 0x8CABDCA1: // guid_file_header stream_read(demuxer->stream,(char*) &fileh,sizeof(fileh)); if(verbose) printf("ASF: packets: %d flags: %d pack_size: %d frame_size: %d\n",(int)fileh.packets,(int)fileh.flags,(int)fileh.packetsize,(int)fileh.frame_size); asf_packetsize=fileh.packetsize; asf_packet=malloc(asf_packetsize); // !!! break; case 0x75b22636: // guid_data_chunk demuxer->movi_start=stream_tell(demuxer->stream)+26; demuxer->movi_end=endpos; if(verbose>=1) printf("Found movie at 0x%X - 0x%X\n",demuxer->movi_start,demuxer->movi_end); break; // case 0x33000890: return "guid_index_chunk"; case 0x75b22633: // Content description if(verbose){ char *string=NULL; stream_read(demuxer->stream,(char*) &contenth,sizeof(contenth)); // extract the title if( contenth.title_size!=0 ) { string=(char*)malloc(contenth.title_size); stream_read(demuxer->stream, string, contenth.title_size); print_asf_string("\n Title: ", string, contenth.title_size); } // extract the author if( contenth.author_size!=0 ) { string=(char*)realloc((void*)string, contenth.author_size); stream_read(demuxer->stream, string, contenth.author_size); print_asf_string(" Author: ", string, contenth.author_size); } // extract the copyright if( contenth.copyright_size!=0 ) { string=(char*)realloc((void*)string, contenth.copyright_size); stream_read(demuxer->stream, string, contenth.copyright_size); print_asf_string(" Copyright: ", string, contenth.copyright_size); } // extract the comment if( contenth.comment_size!=0 ) { string=(char*)realloc((void*)string, contenth.comment_size); stream_read(demuxer->stream, string, contenth.comment_size); print_asf_string(" Comment: ", string, contenth.comment_size); } // extract the rating if( contenth.rating_size!=0 ) { string=(char*)realloc((void*)string, contenth.rating_size); stream_read(demuxer->stream, string, contenth.rating_size); print_asf_string(" Rating: ", string, contenth.rating_size); } printf("\n"); free(string); } break; } // switch GUID if((*((unsigned int*)&objh.guid))==0x75b22636) break; // movi chunk if(!stream_seek(demuxer->stream,endpos)) break; } // while EOF #if 0 if(verbose){ printf("ASF duration: %d\n",(int)fileh.duration); printf("ASF start pts: %d\n",(int)fileh.start_timestamp); printf("ASF end pts: %d\n",(int)fileh.end_timestamp); } #endif #endif return 1; }