static void vivo_parse_text_header(demuxer_t *demux, int header_len) { vivo_priv_t* priv = demux->priv; char *buf; int i; char *token; char *opt, *param; int parser_in_audio_block = 0; if (!demux->priv) { priv = malloc(sizeof(vivo_priv_t)); memset(priv, 0, sizeof(vivo_priv_t)); demux->priv = priv; priv->supported = 0; } buf = malloc(header_len); opt = malloc(header_len); param = malloc(header_len); stream_read(demux->stream, buf, header_len); i=0; while(i<header_len && buf[i]==0x0D && buf[i+1]==0x0A) i+=2; // skip empty lines token = strtok(buf, (char *)&("\x0d\x0a")); while (token && (header_len>2)) { header_len -= strlen(token)+2; if (sscanf(token, "%[^:]:%[^\n]", opt, param) != 2) { mp_msg(MSGT_DEMUX, MSGL_V, "viv_text_header_parser: bad line: '%s' at ~%#"PRIx64"\n", token, (int64_t)stream_tell(demux->stream)); break; } mp_dbg(MSGT_DEMUX, MSGL_DBG3, "token: '%s' (%d bytes/%d bytes left)\n", token, strlen(token), header_len); mp_dbg(MSGT_DEMUX, MSGL_DBG3, "token => o: '%s', p: '%s'\n", opt, param); /* checking versions: only v1 or v2 is suitable (or known?:) */ if (!strcmp(opt, "Version")) { mp_msg(MSGT_DEMUX, MSGL_DBG2, "Version: %s\n", param); if (!strncmp(param, "Vivo/1", 6) || !strncmp(param, "Vivo/2", 6)) { priv->supported = 1; /* save major version for fourcc */ priv->version = param[5]; } } /* video specific */ if (!strcmp(opt, "FPS")) { mp_msg(MSGT_DEMUX, MSGL_DBG2, "FPS: %f\n", atof(param)); priv->fps = atof(param); } if (!strcmp(opt, "Width")) { mp_msg(MSGT_DEMUX, MSGL_DBG2, "Width: %d\n", atoi(param)); priv->width = atoi(param); } if (!strcmp(opt, "Height")) { mp_msg(MSGT_DEMUX, MSGL_DBG2, "Height: %d\n", atoi(param)); priv->height = atoi(param); } if (!strcmp(opt, "DisplayWidth")) { mp_msg(MSGT_DEMUX, MSGL_DBG2, "Display Width: %d\n", atoi(param)); priv->disp_width = atoi(param); } if (!strcmp(opt, "DisplayHeight")) { mp_msg(MSGT_DEMUX, MSGL_DBG2, "Display Height: %d\n", atoi(param)); priv->disp_height = atoi(param); } /* audio specific */ if (!strcmp(opt, "RecordType")) { /* no audio recordblock by Vivo/1.00, 3 and 4 by Vivo/2.00 */ if ((atoi(param) == 3) || (atoi(param) == 4)) parser_in_audio_block = 1; else parser_in_audio_block = 0; } if (!strcmp(opt, "NominalBitrate")) { priv->audio_bitrate = atoi(param); if (priv->audio_bitrate == 2000) priv->audio_codec = VIVO_AUDIO_SIREN; if (priv->audio_bitrate == 800) priv->audio_codec = VIVO_AUDIO_G723; } if (!strcmp(opt, "SamplingFrequency")) { priv->audio_samplerate = atoi(param); if (priv->audio_samplerate == 16000) priv->audio_codec = VIVO_AUDIO_SIREN; if (priv->audio_samplerate == 8000) priv->audio_codec = VIVO_AUDIO_G723; } if (!strcmp(opt, "Length") && (parser_in_audio_block == 1)) { priv->audio_bytesperblock = atoi(param); /* 24 or 40 kbps */ if (priv->audio_bytesperblock == 40) priv->audio_codec = VIVO_AUDIO_SIREN; if (priv->audio_bytesperblock == 24) priv->audio_codec = VIVO_AUDIO_G723; } /* only for displaying some informations about movie*/ if (!strcmp(opt, "Title")) { demux_info_add(demux, "name", param); priv->title = strdup(param); } if (!strcmp(opt, "Author")) { demux_info_add(demux, "author", param); priv->author = strdup(param); } if (!strcmp(opt, "Copyright")) { demux_info_add(demux, "copyright", param); priv->copyright = strdup(param); } if (!strcmp(opt, "Producer")) { demux_info_add(demux, "encoder", param); priv->producer = strdup(param); } /* get next token */ token = strtok(NULL, (char *)&("\x0d\x0a")); } if (buf) free(buf); if (opt) free(opt); if (param) free(param); }
static demuxer_t* demux_open_lavf(demuxer_t *demuxer){ AVFormatContext *avfc; AVDictionaryEntry *t = NULL; lavf_priv_t *priv= demuxer->priv; int i; char mp_filename[256]="mp:"; stream_seek(demuxer->stream, 0); avfc = avformat_alloc_context(); if (opt_cryptokey) parse_cryptokey(avfc, opt_cryptokey); if (user_correct_pts != 0) avfc->flags |= AVFMT_FLAG_GENPTS; if (index_mode == 0) avfc->flags |= AVFMT_FLAG_IGNIDX; if(opt_probesize) { if (av_opt_set_int(avfc, "probesize", opt_probesize, 0) < 0) mp_msg(MSGT_HEADER,MSGL_ERR, "demux_lavf, couldn't set option probesize to %u\n", opt_probesize); } if(opt_analyzeduration) { if (av_opt_set_int(avfc, "analyzeduration", opt_analyzeduration * AV_TIME_BASE, 0) < 0) mp_msg(MSGT_HEADER,MSGL_ERR, "demux_lavf, couldn't set option analyzeduration to %u\n", opt_analyzeduration); } if(opt_avopt){ if(parse_avopts(avfc, opt_avopt) < 0){ mp_msg(MSGT_HEADER,MSGL_ERR, "Your options /%s/ look like gibberish to me pal\n", opt_avopt); return NULL; } } if(demuxer->stream->url) { if (!strncmp(demuxer->stream->url, "ffmpeg://rtsp:", 14)) av_strlcpy(mp_filename, demuxer->stream->url + 9, sizeof(mp_filename)); else av_strlcat(mp_filename, demuxer->stream->url, sizeof(mp_filename)); } else av_strlcat(mp_filename, "foobar.dummy", sizeof(mp_filename)); if (!(priv->avif->flags & AVFMT_NOFILE)) { priv->pb = avio_alloc_context(priv->buffer, BIO_BUFFER_SIZE, 0, demuxer, mp_read, NULL, mp_seek); priv->pb->read_seek = mp_read_seek; if (!demuxer->stream->end_pos || (demuxer->stream->flags & MP_STREAM_SEEK) != MP_STREAM_SEEK) priv->pb->seekable = 0; avfc->pb = priv->pb; } if(avformat_open_input(&avfc, mp_filename, priv->avif, NULL)<0){ mp_msg(MSGT_HEADER,MSGL_ERR,"LAVF_header: av_open_input_stream() failed\n"); return NULL; } priv->avfc= avfc; if(avformat_find_stream_info(avfc, NULL) < 0){ mp_msg(MSGT_HEADER,MSGL_ERR,"LAVF_header: av_find_stream_info() failed\n"); return NULL; } /* Add metadata. */ while((t = av_dict_get(avfc->metadata, "", t, AV_DICT_IGNORE_SUFFIX))) demux_info_add(demuxer, t->key, t->value); for(i=0; i < avfc->nb_chapters; i++) { AVChapter *c = avfc->chapters[i]; uint64_t start = av_rescale_q(c->start, c->time_base, (AVRational){1,1000}); uint64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,1000}); t = av_dict_get(c->metadata, "title", NULL, 0); demuxer_add_chapter(demuxer, t ? t->value : NULL, start, end); } for(i=0; i<avfc->nb_streams; i++) handle_stream(demuxer, avfc, i); priv->nb_streams_last = avfc->nb_streams; if(avfc->nb_programs) { int p; for (p = 0; p < avfc->nb_programs; p++) { AVProgram *program = avfc->programs[p]; t = av_dict_get(program->metadata, "title", NULL, 0); mp_msg(MSGT_HEADER,MSGL_INFO,"LAVF: Program %d %s\n", program->id, t ? t->value : ""); mp_msg(MSGT_IDENTIFY, MSGL_V, "PROGRAM_ID=%d\n", program->id); } } mp_msg(MSGT_HEADER,MSGL_V,"LAVF: %d audio and %d video streams found\n",priv->audio_streams,priv->video_streams); mp_msg(MSGT_HEADER,MSGL_V,"LAVF: build %d\n", LIBAVFORMAT_BUILD); if(!priv->audio_streams) demuxer->audio->id=-2; // nosound // else if(best_audio > 0 && demuxer->audio->id == -1) demuxer->audio->id=best_audio; if(!priv->video_streams){ if(!priv->audio_streams){ mp_msg(MSGT_HEADER,MSGL_ERR,"LAVF: no audio or video headers found - broken file?\n"); return NULL; } demuxer->video->id=-2; // audio-only } //else if (best_video > 0 && demuxer->video->id == -1) demuxer->video->id = best_video; return demuxer; }
static demuxer_t* demux_open_vqf(demuxer_t* demuxer) { sh_audio_t* sh_audio; WAVEFORMATEX* w; stream_t *s; headerInfo *hi; s = demuxer->stream; sh_audio = new_sh_audio(demuxer,0, NULL); sh_audio->wf = w = malloc(sizeof(WAVEFORMATEX)+sizeof(headerInfo)); hi = (headerInfo *)&w[1]; memset(hi,0,sizeof(headerInfo)); w->wFormatTag = 0x1; sh_audio->format = mmioFOURCC('T','W','I','N'); /* TWinVQ */ w->nChannels = sh_audio->channels = 2; w->nSamplesPerSec = sh_audio->samplerate = 44100; w->nAvgBytesPerSec = w->nSamplesPerSec*sh_audio->channels*2; w->nBlockAlign = 0; sh_audio->samplesize = 2; w->wBitsPerSample = 8*sh_audio->samplesize; w->cbSize = 0; strcpy(hi->ID,"TWIN"); stream_read(s,hi->ID+KEYWORD_BYTES,VERSION_BYTES); /* fourcc+version_id */ while(1) { char chunk_id[4]; unsigned chunk_size; hi->size=chunk_size=stream_read_dword(s); /* include itself */ stream_read(s,chunk_id,4); if (chunk_size < 8) return NULL; chunk_size -= 8; if(AV_RL32(chunk_id)==mmioFOURCC('C','O','M','M')) { char buf[BUFSIZ]; unsigned i,subchunk_size; if (chunk_size > sizeof(buf) || chunk_size < 20) return NULL; if(stream_read(s,buf,chunk_size)!=chunk_size) return NULL; i=0; subchunk_size = AV_RB32(buf); hi->channelMode = AV_RB32(buf + 4); w->nChannels=sh_audio->channels=hi->channelMode+1; /*0-mono;1-stereo*/ hi->bitRate = AV_RB32(buf + 8); sh_audio->i_bps=hi->bitRate*1000/8; /* bitrate kbit/s */ w->nAvgBytesPerSec = sh_audio->i_bps; hi->samplingRate = AV_RB32(buf + 12); switch(hi->samplingRate){ case 44: w->nSamplesPerSec=44100; break; case 22: w->nSamplesPerSec=22050; break; case 11: w->nSamplesPerSec=11025; break; default: w->nSamplesPerSec=hi->samplingRate*1000; break; } sh_audio->samplerate=w->nSamplesPerSec; hi->securityLevel = AV_RB32(buf + 16); w->nBlockAlign = 0; sh_audio->samplesize = 4; w->wBitsPerSample = 8*sh_audio->samplesize; w->cbSize = 0; if (subchunk_size > chunk_size - 4) continue; i+=subchunk_size+4; while(i + 8 < chunk_size) { unsigned slen,sid; char sdata[BUFSIZ]; sid = AV_RL32(buf + i); i+=4; slen = AV_RB32(buf + i); i+=4; if (slen > sizeof(sdata) - 1 || slen > chunk_size - i) break; if(sid==mmioFOURCC('D','S','I','Z')) { hi->Dsiz=AV_RB32(buf + i); continue; /* describes the same info as size of DATA chunk */ } memcpy(sdata,&buf[i],slen); sdata[slen]=0; i+=slen; if(sid==mmioFOURCC('N','A','M','E')) { memcpy(hi->Name,sdata,FFMIN(BUFSIZ,slen)); demux_info_add(demuxer,"Title",sdata); } else if(sid==mmioFOURCC('A','U','T','H')) { memcpy(hi->Auth,sdata,FFMIN(BUFSIZ,slen)); demux_info_add(demuxer,"Author",sdata); } else if(sid==mmioFOURCC('C','O','M','T')) { memcpy(hi->Comt,sdata,FFMIN(BUFSIZ,slen)); demux_info_add(demuxer,"Comment",sdata); } else if(sid==mmioFOURCC('(','c',')',' ')) { memcpy(hi->Cpyr,sdata,FFMIN(BUFSIZ,slen)); demux_info_add(demuxer,"Copyright",sdata); } else if(sid==mmioFOURCC('F','I','L','E')) { memcpy(hi->File,sdata,FFMIN(BUFSIZ,slen)); } else if(sid==mmioFOURCC('A','L','B','M')) demux_info_add(demuxer,"Album",sdata); else if(sid==mmioFOURCC('Y','E','A','R')) demux_info_add(demuxer,"Date",sdata); else if(sid==mmioFOURCC('T','R','A','C')) demux_info_add(demuxer,"Track",sdata); else if(sid==mmioFOURCC('E','N','C','D')) demux_info_add(demuxer,"Encoder",sdata); else mp_msg(MSGT_DEMUX, MSGL_V, "Unhandled subchunk '%c%c%c%c'='%s'\n",((char *)&sid)[0],((char *)&sid)[1],((char *)&sid)[2],((char *)&sid)[3],sdata); /* other stuff is unrecognized due untranslatable japan's idiomatics */ } } else if(AV_RL32(chunk_id)==mmioFOURCC('D','A','T','A')) { demuxer->movi_start=stream_tell(s); demuxer->movi_end=demuxer->movi_start+chunk_size; mp_msg(MSGT_DEMUX, MSGL_V, "Found data at %"PRIX64" size %"PRIu64"\n",demuxer->movi_start,demuxer->movi_end); /* Done! play it */ break; } else { mp_msg(MSGT_DEMUX, MSGL_V, "Unhandled chunk '%c%c%c%c' %u bytes\n",chunk_id[0],chunk_id[1],chunk_id[2],chunk_id[3],chunk_size); stream_skip(s,chunk_size); /*unknown chunk type */ } } demuxer->audio->id = 0; demuxer->audio->sh = sh_audio; sh_audio->ds = demuxer->audio; stream_seek(s,demuxer->movi_start); demuxer->seekable=0; return demuxer; }
static demuxer_t* demux_open_lavf(demuxer_t *demuxer){ AVFormatContext *avfc; AVFormatParameters ap; const AVOption *opt; AVMetadataTag *t = NULL; lavf_priv_t *priv= demuxer->priv; int i; //start_time = 0.0; char mp_filename[256]="mp:"; memset(&ap, 0, sizeof(AVFormatParameters)); //demux_lavf_find_geodata(demuxer); stream_seek(demuxer->stream, 0); int filepos=stream_tell(demuxer->stream); avfc = avformat_alloc_context(); if (opt_cryptokey) parse_cryptokey(avfc, opt_cryptokey); if (user_correct_pts != 0) avfc->flags |= AVFMT_FLAG_GENPTS; /* if (index_mode == 0) */ /* avfc->flags |= AVFMT_FLAG_IGNIDX; */ ap.prealloced_context = 1; #if 0 if(opt_probesize) { opt = av_set_int(avfc, "probesize", opt_probesize); if(!opt) mp_msg(MSGT_HEADER,MSGL_ERR, "demux_lavf, couldn't set option probesize to %u\n", opt_probesize); } if(opt_analyzeduration) { opt = av_set_int(avfc, "analyzeduration", opt_analyzeduration * AV_TIME_BASE); if(!opt) mp_msg(MSGT_HEADER,MSGL_ERR, "demux_lavf, couldn't set option analyzeduration to %u\n", opt_analyzeduration); } if(opt_avopt){ if(parse_avopts(avfc, opt_avopt) < 0){ mp_msg(MSGT_HEADER,MSGL_ERR, "Your options /%s/ look like gibberish to me pal\n", opt_avopt); return NULL; } } #endif if(demuxer->stream->url) { if (!strncmp(demuxer->stream->url, "ffmpeg://rtsp:", 14)) av_strlcpy(mp_filename, demuxer->stream->url + 9, sizeof(mp_filename)); else av_strlcat(mp_filename, demuxer->stream->url, sizeof(mp_filename)); } else av_strlcat(mp_filename, "foobar.dummy", sizeof(mp_filename)); priv->pb = av_alloc_put_byte(priv->buffer, BIO_BUFFER_SIZE, 0, demuxer, mp_read, NULL, mp_seek); priv->pb->read_seek = mp_read_seek; priv->pb->is_streamed = !demuxer->stream->end_pos || (demuxer->stream->flags & MP_STREAM_SEEK) != MP_STREAM_SEEK; filepos=stream_tell(demuxer->stream); if(av_open_input_stream(&avfc, priv->pb, mp_filename, priv->avif, &ap)<0){ mp_msg(MSGT_HEADER,MSGL_ERR,"LAVF_header: av_open_input_stream() failed\n"); return NULL; } filepos=stream_tell(demuxer->stream); priv->avfc= avfc; if(av_find_stream_info(avfc) < 0){ mp_msg(MSGT_HEADER,MSGL_ERR,"LAVF_header: av_find_stream_info() failed\n"); return NULL; } filepos=stream_tell(demuxer->stream); if(!strncmp(avfc->iformat->name,"aac",4)) get_aac_duration(demuxer,avfc); if(!strncmp(avfc->iformat->name,"mp3",4)) priv->avfc->duration = get_mp3_duration(demuxer) * AV_TIME_BASE; /* Add metadata. */ av_metadata_conv(avfc, NULL, avfc->iformat->metadata_conv); while((t = av_metadata_get(avfc->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))){ demux_info_add(demuxer, t->key, t->value); } for(i=0; i < avfc->nb_chapters; i++) { AVChapter *c = avfc->chapters[i]; uint64_t start = av_rescale_q(c->start, c->time_base, (AVRational){1,1000}); uint64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,1000}); t = av_metadata_get(c->metadata, "title", NULL, 0); demuxer_add_chapter(demuxer, t ? t->value : NULL, start, end); } demuxer->ttaflag = 0; for(i=0; i<avfc->nb_streams; i++) handle_stream(demuxer, avfc, i); if(demuxer->matroflag && !demuxer->ttaflag) return NULL; if(avfc->nb_programs) { int p; for (p = 0; p < avfc->nb_programs; p++) { AVProgram *program = avfc->programs[p]; t = av_metadata_get(program->metadata, "title", NULL, 0); mp_msg(MSGT_HEADER,MSGL_INFO,"LAVF: Program %d %s\n", program->id, t ? t->value : ""); } } mp_msg(MSGT_HEADER,MSGL_V,"LAVF: %d audio and %d video streams found\n",priv->audio_streams,priv->video_streams); mp_msg(MSGT_HEADER,MSGL_V,"LAVF: build %d\n", LIBAVFORMAT_BUILD); if(!priv->audio_streams) demuxer->audio->id=-2; // nosound // else if(best_audio > 0 && demuxer->audio->id == -1) demuxer->audio->id=best_audio; if(!priv->video_streams){ if(!priv->audio_streams){ mp_msg(MSGT_HEADER,MSGL_ERR,"LAVF: no audio or video headers found - broken file?\n"); return NULL; } demuxer->video->id=-2; // audio-only } //else if (best_video > 0 && demuxer->video->id == -1) demuxer->video->id = best_video; filepos=stream_tell(demuxer->stream); int j=0; AVCodecContext *codec; AVCodec *avc; demuxer->audio_info = malloc(100*avfc->nb_streams); for(i=0; i<avfc->nb_streams; i++){ if(demuxer->a_streams[i]){ char *info = malloc(100); codec= ((AVStream *)avfc->streams[i])->codec; avc = avcodec_find_decoder(codec->codec_id); char *cn = avc ? avc->name : "unknown"; char *codec_name = malloc(100); strncpy(codec_name,cn,100); if((codec_name[0]=='d')&&(codec_name[1]=='c')&&(codec_name[2]=='a')) strncpy(codec_name,"dts",100); int a; for(a=0;codec_name[a];a++) if(codec_name[a]>='a'&&codec_name[a]<='z') codec_name[a]-=32; sprintf(info, "%s(%dHz %dCh)--%d", codec_name,codec->sample_rate, codec->channels, i); free(codec_name); memcpy(demuxer->audio_info+j*100,info, 100); j++; free(info); info = NULL; } } j = 0; demuxer->sub_info = malloc(100*avfc->nb_streams); for(i=0; i<avfc->nb_streams; i++){ if(demuxer->s_streams[i]){ char *info = malloc(100); AVStream *st= avfc->streams[i]; AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL, 0); codec= st->codec; if (lang && lang->value) strcpy(info, lang->value); else strcpy(info, "unknown"); sprintf(info, "%s--%d", info,i); memcpy(demuxer->sub_info+j*100,info, 100); j++; free(info); info = NULL; } } if(AV_NOPTS_VALUE == priv->avfc->start_time){ LOGW("priv->avfc->start_time = AV_NOPTS_VALUE"); demuxer->start_time = 0; }else{ demuxer->start_time = priv->avfc->start_time; } return demuxer; }
int read_asf_header(demuxer_t *demuxer,struct asf_priv* asf){ int hdr_len = asf->header.objh.size - sizeof(asf->header); int hdr_skip = 0; char *hdr = NULL; char guid_buffer[16]; int pos, start = stream_tell(demuxer->stream); uint32_t* streams = NULL; int audio_streams=0; int video_streams=0; uint16_t stream_count=0; int best_video = -1; int best_audio = -1; uint64_t data_len; ASF_stream_header_t *streamh; uint8_t *buffer; int audio_pos=0; if(hdr_len < 0) { mp_msg(MSGT_HEADER, MSGL_FATAL, "Header size is too small.\n"); return 0; } if (hdr_len > 1024 * 1024) { mp_msg(MSGT_HEADER, MSGL_ERR, MSGTR_MPDEMUX_ASFHDR_HeaderSizeOver1MB, hdr_len); hdr_skip = hdr_len - 1024 * 1024; hdr_len = 1024 * 1024; } hdr = malloc(hdr_len); if (!hdr) { mp_msg(MSGT_HEADER, MSGL_FATAL, MSGTR_MPDEMUX_ASFHDR_HeaderMallocFailed, hdr_len); return 0; } stream_read(demuxer->stream, hdr, hdr_len); if (hdr_skip) stream_skip(demuxer->stream, hdr_skip); if (stream_eof(demuxer->stream)) { mp_msg(MSGT_HEADER, MSGL_FATAL, MSGTR_MPDEMUX_ASFHDR_EOFWhileReadingHeader); goto err_out; } if (is_drm(hdr, hdr_len)) mp_msg(MSGT_HEADER, MSGL_FATAL, MSGTR_MPDEMUX_ASFHDR_DRMProtected); if ((pos = find_asf_guid(hdr, asf_ext_stream_audio, 0, hdr_len)) >= 0) { // Special case: found GUID for dvr-ms audio. // Now skip back to associated stream header. int sh_pos=0; sh_pos = find_backwards_asf_guid(hdr, asf_stream_header_guid, pos); if (sh_pos > 0) { sh_audio_t *sh_audio; mp_msg(MSGT_HEADER, MSGL_V, "read_asf_header found dvr-ms audio stream header pos=%d\n", sh_pos); // found audio stream header - following code reads header and // initializes audio stream. audio_pos = pos - 16 - 8; streamh = (ASF_stream_header_t *)&hdr[sh_pos]; le2me_ASF_stream_header_t(streamh); audio_pos += 64; //16+16+4+4+4+16+4; buffer = &hdr[audio_pos]; sh_audio=new_sh_audio(demuxer,streamh->stream_no & 0x7F, NULL); sh_audio->needs_parsing = 1; mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_AudioID, "asfheader", streamh->stream_no & 0x7F); ++audio_streams; if (!asf_init_audio_stream(demuxer, asf, sh_audio, streamh, &audio_pos, &buffer, hdr, hdr_len)) goto len_err_out; if (!get_ext_stream_properties(hdr, hdr_len, streamh->stream_no, asf, 0)) goto len_err_out; } } // find stream headers // only reset pos if we didnt find dvr_ms audio stream // if we did find it then we want to avoid reading its header twice if (audio_pos == 0) pos = 0; while ((pos = find_asf_guid(hdr, asf_stream_header_guid, pos, hdr_len)) >= 0) { streamh = (ASF_stream_header_t *)&hdr[pos]; pos += sizeof(ASF_stream_header_t); if (pos > hdr_len) goto len_err_out; le2me_ASF_stream_header_t(streamh); mp_msg(MSGT_HEADER, MSGL_V, "stream type: %s\n", asf_chunk_type(streamh->type)); mp_msg(MSGT_HEADER, MSGL_V, "stream concealment: %s\n", asf_chunk_type(streamh->concealment)); mp_msg(MSGT_HEADER, MSGL_V, "type: %d bytes, stream: %d bytes ID: %d\n", (int)streamh->type_size, (int)streamh->stream_size, (int)streamh->stream_no); mp_msg(MSGT_HEADER, MSGL_V, "unk1: %lX unk2: %X\n", (unsigned long)streamh->unk1, (unsigned int)streamh->unk2); mp_msg(MSGT_HEADER, MSGL_V, "FILEPOS=0x%X\n", pos + start); // type-specific data: buffer = &hdr[pos]; pos += streamh->type_size; if (pos > hdr_len) goto len_err_out; switch(ASF_LOAD_GUID_PREFIX(streamh->type)){ case ASF_GUID_PREFIX_audio_stream: { sh_audio_t* sh_audio=new_sh_audio(demuxer,streamh->stream_no & 0x7F, NULL); mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_AudioID, "asfheader", streamh->stream_no & 0x7F); ++audio_streams; if (!asf_init_audio_stream(demuxer, asf, sh_audio, streamh, &pos, &buffer, hdr, hdr_len)) goto len_err_out; //if(demuxer->audio->id==-1) demuxer->audio->id=streamh.stream_no & 0x7F; break; } case ASF_GUID_PREFIX_video_stream: { unsigned int len; float asp_ratio; sh_video_t* sh_video=new_sh_video(demuxer,streamh->stream_no & 0x7F); mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_VideoID, "asfheader", streamh->stream_no & 0x7F); len=streamh->type_size-(4+4+1+2); ++video_streams; // sh_video->bih=malloc(chunksize); memset(sh_video->bih,0,chunksize); sh_video->bih=calloc((len<sizeof(*sh_video->bih))?sizeof(*sh_video->bih):len,1); memcpy(sh_video->bih,&buffer[4+4+1+2],len); le2me_BITMAPINFOHEADER(sh_video->bih); if (sh_video->bih->biSize > len && sh_video->bih->biSize > sizeof(*sh_video->bih)) sh_video->bih->biSize = len; if (sh_video->bih->biCompression == mmioFOURCC('D', 'V', 'R', ' ')) { //mp_msg(MSGT_DEMUXER, MSGL_WARN, MSGTR_MPDEMUX_ASFHDR_DVRWantsLibavformat); //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; asf->asf_frame_state=-1; asf->asf_frame_start_found=0; asf->asf_is_dvr_ms=1; asf->dvr_last_vid_pts=0.0; } else asf->asf_is_dvr_ms=0; if (!get_ext_stream_properties(hdr, hdr_len, streamh->stream_no, asf, 1)) goto len_err_out; if (get_meta(hdr, hdr_len, streamh->stream_no, &asp_ratio)) { sh_video->aspect = asp_ratio * sh_video->bih->biWidth / sh_video->bih->biHeight; } sh_video->i_bps = asf->bps; if( mp_msg_test(MSGT_DEMUX,MSGL_V) ) print_video_header(sh_video->bih, MSGL_V); //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); } // find file header pos = find_asf_guid(hdr, asf_file_header_guid, 0, hdr_len); if (pos >= 0) { ASF_file_header_t *fileh = (ASF_file_header_t *)&hdr[pos]; pos += sizeof(ASF_file_header_t); if (pos > hdr_len) goto len_err_out; le2me_ASF_file_header_t(fileh); mp_msg(MSGT_HEADER, MSGL_V, "ASF: packets: %d flags: %d " "max_packet_size: %d min_packet_size: %d max_bitrate: %d " "preroll: %d\n", (int)fileh->num_packets, (int)fileh->flags, (int)fileh->min_packet_size, (int)fileh->max_packet_size, (int)fileh->max_bitrate, (int)fileh->preroll); asf->packetsize=fileh->max_packet_size; asf->packet=malloc(asf->packetsize); // !!! asf->packetrate=fileh->max_bitrate/8.0/(double)asf->packetsize; asf->movielength=(fileh->play_duration-10000*fileh->preroll)/10000000.0; } // find content header pos = find_asf_guid(hdr, asf_content_desc_guid, 0, hdr_len); if (pos >= 0) { ASF_content_description_t *contenth = (ASF_content_description_t *)&hdr[pos]; char *string=NULL; uint16_t* wstring = NULL; uint16_t len; pos += sizeof(ASF_content_description_t); if (pos > hdr_len) goto len_err_out; le2me_ASF_content_description_t(contenth); mp_msg(MSGT_HEADER,MSGL_V,"\n"); // extract the title if((len = contenth->title_size) != 0) { wstring = (uint16_t*)&hdr[pos]; pos += len; if (pos > hdr_len) goto len_err_out; if ((string = get_ucs2str(wstring, len))) { mp_msg(MSGT_HEADER,MSGL_V," Title: %s\n", string); demux_info_add(demuxer, "title", string); free(string); } } // extract the author if((len = contenth->author_size) != 0) { wstring = (uint16_t*)&hdr[pos]; pos += len; if (pos > hdr_len) goto len_err_out; if ((string = get_ucs2str(wstring, len))) { mp_msg(MSGT_HEADER,MSGL_V," Author: %s\n", string); demux_info_add(demuxer, "author", string); free(string); } } // extract the copyright if((len = contenth->copyright_size) != 0) { wstring = (uint16_t*)&hdr[pos]; pos += len; if (pos > hdr_len) goto len_err_out; if ((string = get_ucs2str(wstring, len))) { mp_msg(MSGT_HEADER,MSGL_V," Copyright: %s\n", string); demux_info_add(demuxer, "copyright", string); free(string); } } // extract the comment if((len = contenth->comment_size) != 0) { wstring = (uint16_t*)&hdr[pos]; pos += len; if (pos > hdr_len) goto len_err_out; if ((string = get_ucs2str(wstring, len))) { mp_msg(MSGT_HEADER,MSGL_V," Comment: %s\n", string); demux_info_add(demuxer, "comments", string); free(string); } } // extract the rating if((len = contenth->rating_size) != 0) { wstring = (uint16_t*)&hdr[pos]; pos += len; if (pos > hdr_len) goto len_err_out; if ((string = get_ucs2str(wstring, len))) { mp_msg(MSGT_HEADER,MSGL_V," Rating: %s\n", string); free(string); } } mp_msg(MSGT_HEADER,MSGL_V,"\n"); } // find content header pos = find_asf_guid(hdr, asf_stream_group_guid, 0, hdr_len); if (pos >= 0) { int max_streams = (hdr_len - pos - 2) / 6; uint16_t stream_id, i; uint32_t max_bitrate; char *ptr = &hdr[pos]; mp_msg(MSGT_HEADER,MSGL_V,"============ ASF Stream group == START ===\n"); if(max_streams <= 0) goto len_err_out; stream_count = AV_RL16(ptr); ptr += sizeof(uint16_t); if(stream_count > max_streams) stream_count = max_streams; if(stream_count > 0) streams = malloc(2*stream_count*sizeof(uint32_t)); mp_msg(MSGT_HEADER,MSGL_V," stream count=[0x%x][%u]\n", stream_count, stream_count ); for( i=0 ; i<stream_count ; i++ ) { stream_id = AV_RL16(ptr); ptr += sizeof(uint16_t); max_bitrate = AV_RL32(ptr); ptr += sizeof(uint32_t); mp_msg(MSGT_HEADER,MSGL_V," stream id=[0x%x][%u]\n", stream_id, stream_id ); mp_msg(MSGT_HEADER,MSGL_V," max bitrate=[0x%x][%u]\n", max_bitrate, max_bitrate ); streams[2*i] = stream_id; streams[2*i+1] = max_bitrate; } mp_msg(MSGT_HEADER,MSGL_V,"============ ASF Stream group == END ===\n"); } free(hdr); hdr = NULL; start = stream_tell(demuxer->stream); // start of first data chunk stream_read(demuxer->stream, guid_buffer, 16); if (memcmp(guid_buffer, asf_data_chunk_guid, 16) != 0) { mp_msg(MSGT_HEADER, MSGL_FATAL, MSGTR_MPDEMUX_ASFHDR_NoDataChunkAfterHeader); free(streams); streams = NULL; return 0; } // read length of chunk data_len = stream_read_qword_le(demuxer->stream); demuxer->movi_start = stream_tell(demuxer->stream) + 26; demuxer->movi_end = start + data_len; mp_msg(MSGT_HEADER, MSGL_V, "Found movie at 0x%X - 0x%X\n", (int)demuxer->movi_start, (int)demuxer->movi_end); if(streams) { // stream selection is done in the network code, it shouldn't be done here // as the servers often do not care about what we requested. #if 0 uint32_t vr = 0, ar = 0,i; #ifdef CONFIG_NETWORKING if( demuxer->stream->streaming_ctrl!=NULL ) { if( demuxer->stream->streaming_ctrl->bandwidth!=0 && demuxer->stream->streaming_ctrl->data!=NULL ) { best_audio = ((asf_http_streaming_ctrl_t*)demuxer->stream->streaming_ctrl->data)->audio_id; best_video = ((asf_http_streaming_ctrl_t*)demuxer->stream->streaming_ctrl->data)->video_id; } } else #endif for(i = 0; i < stream_count; i++) { uint32_t id = streams[2*i]; uint32_t rate = streams[2*i+1]; if(demuxer->v_streams[id] && rate > vr) { vr = rate; best_video = id; } else if(demuxer->a_streams[id] && rate > ar) { ar = rate; best_audio = id; } } #endif free(streams); streams = NULL; } mp_msg(MSGT_HEADER,MSGL_V,"ASF: %d audio and %d video streams found\n",audio_streams,video_streams); if(!audio_streams) demuxer->audio->id=-2; // nosound else if(best_audio > 0 && demuxer->audio->id == -1) demuxer->audio->id=best_audio; if(!video_streams){ if(!audio_streams){ mp_msg(MSGT_HEADER,MSGL_ERR,MSGTR_MPDEMUX_ASFHDR_AudioVideoHeaderNotFound); return 0; } demuxer->video->id=-2; // audio-only } else if (best_video > 0 && demuxer->video->id == -1) demuxer->video->id = best_video; #if 0 if( mp_msg_test(MSGT_HEADER,MSGL_V) ){ 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 return 1; len_err_out: mp_msg(MSGT_HEADER, MSGL_FATAL, MSGTR_MPDEMUX_ASFHDR_InvalidLengthInASFHeader); err_out: if (hdr) free(hdr); if (streams) free(streams); return 0; }
static int demux_lavf_find_geodata(demuxer_t *demuxer){ int fould_geodata = 0; AVMetadataTag metadata; int64_t old_filepos= stream_tell(demuxer->stream); stream_seek(demuxer->stream, 0); int udta_len = 320; unsigned char udta_buf[udta_len]; int ret = stream_read(demuxer->stream, udta_buf, udta_len); #if 0 int j = udta_len; while(j){ if(j%16 == 0){ printf("\n"); } printf("%02x, ", udta_buf[udta_len - j]); --j; } printf("\n\n"); #endif unsigned char *pch; pch = memstr(udta_buf, "udta", udta_len); //printf("%x\n", 'udta'); if(pch){ //printf("fould udta box, %02x, %02x, %02x, %02x\n", pch[0], pch[1], pch[2], pch[3]); //printf("%x\n", 'zyx\xA9'); pch = memstr(pch + 4, "\xA9xyz", udta_len - (pch + 4 - udta_buf)); if(pch){ //printf("xyz fould %02x, %02x, %02x, %02x\n", pch[0], pch[1], pch[2], pch[3]); GeoDataBox geoDataBox; memcpy(&geoDataBox, pch, sizeof(GeoDataBox)); geoDataBox.latitude_longitudex[8+ 9] = '\0'; //printf("geodata_start_tag = %x\n", geoDataBox.geodata_start_tag); //printf("lang_code = %x\n", geoDataBox.lang_code); printf("lat_long = %s\n", geoDataBox.latitude_longitudex); metadata.key = "location"; metadata.value = &geoDataBox.latitude_longitudex; printf("demux_info_add: k->key = %s, t->value = %s, demuxer = 0x%x\n", metadata.key, metadata.value, demuxer); demux_info_add(demuxer, metadata.key, metadata.value); fould_geodata = 1; }else{ printf("Geodata xyz NOT fould\n"); } }else{ printf("udta box not fould\n"); } stream_seek(demuxer->stream, old_filepos); return fould_geodata; }
static demuxer_t* demux_open_lavf(demuxer_t *demuxer){ AVFormatContext *avfc; AVFormatParameters ap; AVOption *opt; lavf_priv_t *priv= demuxer->priv; int i,g; char mp_filename[256]="mp:"; memset(&ap, 0, sizeof(AVFormatParameters)); stream_seek(demuxer->stream, 0); register_protocol(&mp_protocol); avfc = av_alloc_format_context(); if (correct_pts) avfc->flags |= AVFMT_FLAG_GENPTS; if (index_mode == 0) avfc->flags |= AVFMT_FLAG_IGNIDX; ap.prealloced_context = 1; if(opt_probesize) { double d = (double) opt_probesize; opt = av_set_double(avfc, "probesize", opt_probesize); if(!opt) mp_msg(MSGT_HEADER,MSGL_ERR, "demux_lavf, couldn't set option probesize to %.3f\r\n", d); } if(demuxer->stream->url) strncpy(mp_filename + 3, demuxer->stream->url, sizeof(mp_filename)-3); else strncpy(mp_filename + 3, "foobar.dummy", sizeof(mp_filename)-3); url_fopen(&priv->pb, mp_filename, URL_RDONLY); ((URLContext*)(priv->pb.opaque))->priv_data= demuxer->stream; if(av_open_input_stream(&avfc, &priv->pb, mp_filename, priv->avif, &ap)<0){ mp_msg(MSGT_HEADER,MSGL_ERR,"LAVF_header: av_open_input_stream() failed\n"); return NULL; } priv->avfc= avfc; if(av_find_stream_info(avfc) < 0){ mp_msg(MSGT_HEADER,MSGL_ERR,"LAVF_header: av_find_stream_info() failed\n"); return NULL; } if(avfc->title [0]) demux_info_add(demuxer, "name" , avfc->title ); if(avfc->author [0]) demux_info_add(demuxer, "author" , avfc->author ); if(avfc->copyright[0]) demux_info_add(demuxer, "copyright", avfc->copyright); if(avfc->comment [0]) demux_info_add(demuxer, "comments" , avfc->comment ); if(avfc->album [0]) demux_info_add(demuxer, "album" , avfc->album ); // if(avfc->year ) demux_info_add(demuxer, "year" , avfc->year ); // if(avfc->track ) demux_info_add(demuxer, "track" , avfc->track ); if(avfc->genre [0]) demux_info_add(demuxer, "genre" , avfc->genre ); for(i=0; i<avfc->nb_streams; i++){ AVStream *st= avfc->streams[i]; AVCodecContext *codec= st->codec; switch(codec->codec_type){ case CODEC_TYPE_AUDIO:{ WAVEFORMATEX *wf= calloc(sizeof(WAVEFORMATEX) + codec->extradata_size, 1); sh_audio_t* sh_audio; if(priv->audio_streams >= MAX_A_STREAMS) break; sh_audio=new_sh_audio(demuxer, i); if(!sh_audio) break; priv->astreams[priv->audio_streams] = i; priv->audio_streams++; if(!codec->codec_tag) codec->codec_tag= av_codec_get_tag(mp_wav_taglists, codec->codec_id); wf->wFormatTag= codec->codec_tag; wf->nChannels= codec->channels; wf->nSamplesPerSec= codec->sample_rate; wf->nAvgBytesPerSec= codec->bit_rate/8; wf->nBlockAlign= codec->block_align ? codec->block_align : 1; wf->wBitsPerSample= codec->bits_per_sample; wf->cbSize= codec->extradata_size; if(codec->extradata_size){ memcpy( wf + 1, codec->extradata, codec->extradata_size); } sh_audio->wf= wf; sh_audio->audio.dwSampleSize= codec->block_align; if(codec->frame_size && codec->sample_rate){ sh_audio->audio.dwScale=codec->frame_size; sh_audio->audio.dwRate= codec->sample_rate; }else{ sh_audio->audio.dwScale= codec->block_align ? codec->block_align*8 : 8; sh_audio->audio.dwRate = codec->bit_rate; } g= ff_gcd(sh_audio->audio.dwScale, sh_audio->audio.dwRate); sh_audio->audio.dwScale /= g; sh_audio->audio.dwRate /= g; // printf("sca:%d rat:%d fs:%d sr:%d ba:%d\n", sh_audio->audio.dwScale, sh_audio->audio.dwRate, codec->frame_size, codec->sample_rate, codec->block_align); sh_audio->ds= demuxer->audio; sh_audio->format= codec->codec_tag; sh_audio->channels= codec->channels; sh_audio->samplerate= codec->sample_rate; sh_audio->i_bps= codec->bit_rate/8; switch (codec->codec_id) { case CODEC_ID_PCM_S8: case CODEC_ID_PCM_U8: sh_audio->samplesize = 1; break; case CODEC_ID_PCM_S16LE: case CODEC_ID_PCM_S16BE: case CODEC_ID_PCM_U16LE: case CODEC_ID_PCM_U16BE: sh_audio->samplesize = 2; break; case CODEC_ID_PCM_ALAW: sh_audio->format = 0x6; break; case CODEC_ID_PCM_MULAW: sh_audio->format = 0x7; break; } if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_wave_header(sh_audio->wf, MSGL_V); if((audio_lang && st->language[0] && !strncmp(audio_lang, st->language, 3)) || (demuxer->audio->id == i || demuxer->audio->id == -1) ) { demuxer->audio->id = i; demuxer->audio->sh= demuxer->a_streams[i]; } else st->discard= AVDISCARD_ALL; break;} case CODEC_TYPE_VIDEO:{ sh_video_t* sh_video; BITMAPINFOHEADER *bih; if(priv->video_streams >= MAX_V_STREAMS) break; sh_video=new_sh_video(demuxer, i); if(!sh_video) break; priv->vstreams[priv->video_streams] = i; priv->video_streams++; bih=calloc(sizeof(BITMAPINFOHEADER) + codec->extradata_size,1); if(!codec->codec_tag) codec->codec_tag= av_codec_get_tag(mp_bmp_taglists, codec->codec_id); bih->biSize= sizeof(BITMAPINFOHEADER) + codec->extradata_size; bih->biWidth= codec->width; bih->biHeight= codec->height; bih->biBitCount= codec->bits_per_sample; bih->biSizeImage = bih->biWidth * bih->biHeight * bih->biBitCount/8; bih->biCompression= codec->codec_tag; sh_video->bih= bih; sh_video->disp_w= codec->width; sh_video->disp_h= codec->height; if (st->time_base.den) { /* if container has time_base, use that */ sh_video->video.dwRate= st->time_base.den; sh_video->video.dwScale= st->time_base.num; } else { sh_video->video.dwRate= codec->time_base.den; sh_video->video.dwScale= codec->time_base.num; } sh_video->fps=av_q2d(st->r_frame_rate); sh_video->frametime=1/av_q2d(st->r_frame_rate); sh_video->format = bih->biCompression; sh_video->aspect= codec->width * codec->sample_aspect_ratio.num / (float)(codec->height * codec->sample_aspect_ratio.den); sh_video->i_bps= codec->bit_rate/8; mp_msg(MSGT_DEMUX,MSGL_DBG2,"aspect= %d*%d/(%d*%d)\n", codec->width, codec->sample_aspect_ratio.num, codec->height, codec->sample_aspect_ratio.den); sh_video->ds= demuxer->video; if(codec->extradata_size) memcpy(sh_video->bih + 1, codec->extradata, codec->extradata_size); if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_video_header(sh_video->bih, MSGL_V); /* short biPlanes; int biXPelsPerMeter; int biYPelsPerMeter; int biClrUsed; int biClrImportant;*/ if(demuxer->video->id != i && demuxer->video->id != -1) st->discard= AVDISCARD_ALL; else{ demuxer->video->id = i; demuxer->video->sh= demuxer->v_streams[i]; } break;} default: st->discard= AVDISCARD_ALL; } } mp_msg(MSGT_HEADER,MSGL_V,"LAVF: %d audio and %d video streams found\n",priv->audio_streams,priv->video_streams); mp_msg(MSGT_HEADER,MSGL_V,"LAVF: build %d\n", LIBAVFORMAT_BUILD); if(!priv->audio_streams) demuxer->audio->id=-2; // nosound // else if(best_audio > 0 && demuxer->audio->id == -1) demuxer->audio->id=best_audio; if(!priv->video_streams){ if(!priv->audio_streams){ mp_msg(MSGT_HEADER,MSGL_ERR,"LAVF: no audio or video headers found - broken file?\n"); return NULL; } demuxer->video->id=-2; // audio-only } //else if (best_video > 0 && demuxer->video->id == -1) demuxer->video->id = best_video; return demuxer; }
static demuxer_t* demux_dshow_open (demuxer_t *demuxer) { sh_video_t *sh_video; sh_audio_t *sh_audio; stream_pos = 0; last_vpts = 0; b_stopped = 0; b_vfinished = 0; b_afinished = 0; b_firstframe = 1; b_firstaframe = 1; g_vpkg.pData = NULL; g_apkg.pData = NULL; apkg_buf = NULL; apkg_buf_size = 0; if(AudioInfo.demuxer) demux_info_add(demuxer, "DShow Demuxer", AudioInfo.demuxer); if(VideoInfo.haveVideo) { if (VideoInfo.avgtimeperframe < 10000) VideoInfo.avgtimeperframe = 400000; sh_video = new_sh_video(demuxer, 0); if (demuxer->video->id == -1) demuxer->video->id = 0; if (demuxer->video->id == 0) demuxer->video->sh = sh_video; sh_video->ds = demuxer->video; sh_video->disp_w = VideoInfo.width; sh_video->disp_h = VideoInfo.height; sh_video->format = mmioFOURCC('Y', 'V', '1', '2'); sh_video->frametime = (float)(VideoInfo.avgtimeperframe/1E7); sh_video->fps = 1.0 / sh_video->frametime; sh_video->bih = calloc (1, sizeof (BITMAPINFOHEADER)); sh_video->bih->biSize = sizeof (BITMAPINFOHEADER); sh_video->bih->biWidth = VideoInfo.width; sh_video->bih->biHeight = VideoInfo.height; sh_video->bih->biBitCount = 12; sh_video->bih->biSizeImage = sh_video->bih->biWidth * sh_video->bih->biHeight * sh_video->bih->biBitCount/8; sh_video->bih->biCompression = sh_video->format; if(VideoInfo.videoDecoder) demux_info_add(demuxer, "DShow Video", VideoInfo.videoDecoder); if(VideoInfo.aspectX > 1 && VideoInfo.aspectY > 1) sh_video->aspect = (float)VideoInfo.width*(float)VideoInfo.aspectX/((float)VideoInfo.height*(float)VideoInfo.aspectY); } if(AudioInfo.haveAudio) { sh_audio = new_sh_audio_aid(demuxer, 0, 0, NULL); demuxer->audio->id = 0; demuxer->audio->sh = sh_audio; sh_audio->ds = demuxer->audio; sh_audio->wf = malloc (sizeof (WAVEFORMATEX)); memset(sh_audio->wf, 0, sizeof (WAVEFORMATEX)); if(AudioInfo.audioDecoder) { if(AudioInfo.wFormatTag == 0xfffe && !strcmp(AudioInfo.audioDecoder, "Microsoft DTV-DVD Audio Decoder")) AudioInfo.wFormatTag = 0x3; demux_info_add(demuxer, "DShow Audio", AudioInfo.audioDecoder); } sh_audio->format = sh_audio->wf->wFormatTag = AudioInfo.wFormatTag; sh_audio->channels = sh_audio->wf->nChannels = AudioInfo.nChannels; sh_audio->samplerate = sh_audio->wf->nSamplesPerSec = AudioInfo.nSamplesPerSec; sh_audio->wf->wBitsPerSample = AudioInfo.wBitsPerSample; sh_audio->wf->nBlockAlign = sh_audio->channels * sh_audio->wf->wBitsPerSample / 8; sh_audio->wf->nAvgBytesPerSec = sh_audio->wf->nBlockAlign * sh_audio->samplerate; sh_audio->i_bps = sh_audio->wf->nAvgBytesPerSec; } duration = GetGraphDuration(g_pdgi); hWaitVSend = CreateEventA(NULL, FALSE, FALSE, NULL); hWaitASend = CreateEventA(NULL, FALSE, FALSE, NULL); hWaitVDec = CreateEventA(NULL, FALSE, FALSE, NULL); hWaitADec = CreateEventA(NULL, FALSE, FALSE, NULL); StartGraph(g_pdgi); return demuxer; }
static demuxer_t* demux_open_lavf(demuxer_t *demuxer){ AVFormatContext *avfc; AVFormatParameters ap; const AVOption *opt; lavf_priv_t *priv= demuxer->priv; int i; char mp_filename[256]="mp:"; memset(&ap, 0, sizeof(AVFormatParameters)); stream_seek(demuxer->stream, 0); register_protocol(&mp_protocol); avfc = av_alloc_format_context(); if (opt_cryptokey) parse_cryptokey(avfc, opt_cryptokey); if (correct_pts) avfc->flags |= AVFMT_FLAG_GENPTS; if (index_mode == 0) avfc->flags |= AVFMT_FLAG_IGNIDX; ap.prealloced_context = 1; if(opt_probesize) { opt = av_set_int(avfc, "probesize", opt_probesize); if(!opt) mp_msg(MSGT_HEADER,MSGL_ERR, "demux_lavf, couldn't set option probesize to %u\n", opt_probesize); } if(opt_analyzeduration) { opt = av_set_int(avfc, "analyzeduration", opt_analyzeduration * AV_TIME_BASE); if(!opt) mp_msg(MSGT_HEADER,MSGL_ERR, "demux_lavf, couldn't set option analyzeduration to %u\n", opt_analyzeduration); } if(demuxer->stream->url) strncpy(mp_filename + 3, demuxer->stream->url, sizeof(mp_filename)-3); else strncpy(mp_filename + 3, "foobar.dummy", sizeof(mp_filename)-3); url_fopen(&priv->pb, mp_filename, URL_RDONLY); ((URLContext*)(priv->pb->opaque))->priv_data= demuxer->stream; if(av_open_input_stream(&avfc, priv->pb, mp_filename, priv->avif, &ap)<0){ mp_msg(MSGT_HEADER,MSGL_ERR,"LAVF_header: av_open_input_stream() failed\n"); return NULL; } priv->avfc= avfc; if(av_find_stream_info(avfc) < 0){ mp_msg(MSGT_HEADER,MSGL_ERR,"LAVF_header: av_find_stream_info() failed\n"); return NULL; } if(avfc->title [0]) demux_info_add(demuxer, "name" , avfc->title ); if(avfc->author [0]) demux_info_add(demuxer, "author" , avfc->author ); if(avfc->copyright[0]) demux_info_add(demuxer, "copyright", avfc->copyright); if(avfc->comment [0]) demux_info_add(demuxer, "comments" , avfc->comment ); if(avfc->album [0]) demux_info_add(demuxer, "album" , avfc->album ); // if(avfc->year ) demux_info_add(demuxer, "year" , avfc->year ); // if(avfc->track ) demux_info_add(demuxer, "track" , avfc->track ); if(avfc->genre [0]) demux_info_add(demuxer, "genre" , avfc->genre ); if(avfc->nb_programs) { int p, start=0, found=0; if(ts_prog) { for(p=0; p<avfc->nb_programs; p++) { if(avfc->programs[p]->id == ts_prog) { start = p; found = 1; break; } } if(!found) { mp_msg(MSGT_HEADER,MSGL_ERR,"DEMUX_LAVF: program %d doesn't seem to be present\n", ts_prog); return NULL; } } p = start; do { AVProgram *program = avfc->programs[p]; mp_msg(MSGT_HEADER,MSGL_INFO,"LAVF: Program %d %s\n", program->id, (program->name ? program->name : "")); for(i=0; i<program->nb_stream_indexes; i++) handle_stream(demuxer, avfc, program->stream_index[i]); if(!priv->cur_program && (demuxer->video->sh || demuxer->audio->sh)) priv->cur_program = program->id; p = (p + 1) % avfc->nb_programs; } while(p!=start); } else for(i=0; i<avfc->nb_streams; i++) handle_stream(demuxer, avfc, i); mp_msg(MSGT_HEADER,MSGL_V,"LAVF: %d audio and %d video streams found\n",priv->audio_streams,priv->video_streams); mp_msg(MSGT_HEADER,MSGL_V,"LAVF: build %d\n", LIBAVFORMAT_BUILD); if(!priv->audio_streams) demuxer->audio->id=-2; // nosound // else if(best_audio > 0 && demuxer->audio->id == -1) demuxer->audio->id=best_audio; if(!priv->video_streams){ if(!priv->audio_streams){ mp_msg(MSGT_HEADER,MSGL_ERR,"LAVF: no audio or video headers found - broken file?\n"); return NULL; } demuxer->video->id=-2; // audio-only } //else if (best_video > 0 && demuxer->video->id == -1) demuxer->video->id = best_video; return demuxer; }
void read_avi_header(demuxer_t *demuxer,int index_mode){ sh_audio_t *sh_audio=NULL; sh_video_t *sh_video=NULL; int stream_id=-1; int idxfix_videostream=0; int idxfix_divx=0; avi_priv_t* priv=demuxer->priv; off_t list_end=0; //---- AVI header: priv->idx_size=0; priv->audio_streams=0; while(1){ int id=stream_read_dword_le(demuxer->stream); unsigned chunksize,size2; static int last_fccType=0; static int last_fccHandler=0; char* hdr=NULL; // if(stream_eof(demuxer->stream)) break; // Imply -forceidx if -saveidx is specified if (index_file_save) index_mode = 2; // if(id==mmioFOURCC('L','I','S','T')){ unsigned len=stream_read_dword_le(demuxer->stream); // list size id=stream_read_dword_le(demuxer->stream); // list type mp_msg(MSGT_HEADER,MSGL_DBG2,"LIST %.4s len=%u\n",(char *) &id,len); if(len >= 4) { len -= 4; list_end=stream_tell(demuxer->stream)+((len+1)&(~1)); } else { mp_msg(MSGT_HEADER,MSGL_WARN,MSGTR_MPDEMUX_AVIHDR_EmptyList); list_end = 0; } mp_msg(MSGT_HEADER,MSGL_V,"list_end=0x%X\n",(int)list_end); if(id==listtypeAVIMOVIE){ // found MOVI header if(!demuxer->movi_start) demuxer->movi_start=stream_tell(demuxer->stream); demuxer->movi_end=stream_tell(demuxer->stream)+len; mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_FoundMovieAt,(int)demuxer->movi_start,(int)demuxer->movi_end); if(demuxer->stream->end_pos>demuxer->movi_end) demuxer->movi_end=demuxer->stream->end_pos; if(index_mode==-2 || index_mode==2 || index_mode==0) break; // reading from non-seekable source (stdin) or forced index or no index forced if(list_end>0) stream_seek(demuxer->stream,list_end); // skip movi list_end=0; } continue; } size2=stream_read_dword_le(demuxer->stream); mp_msg(MSGT_HEADER,MSGL_DBG2,"CHUNK %.4s len=%u\n",(char *) &id,size2); chunksize=(size2+1)&(~1); switch(id){ // Indicates where the subject of the file is archived case mmioFOURCC('I','A','R','L'): hdr="Archival Location";break; // Lists the artist of the original subject of the file; // for example, "Michaelangelo." case mmioFOURCC('I','A','R','T'): hdr="Artist";break; // Lists the name of the person or organization that commissioned // the subject of the file; for example "Pope Julian II." case mmioFOURCC('I','C','M','S'): hdr="Commissioned";break; // Provides general comments about the file or the subject // of the file. If the comment is several sentences long, end each // sentence with a period. Do not include new-line characters. case mmioFOURCC('I','C','M','T'): hdr="Comments";break; // Records the copyright information for the file; for example, // "Copyright Encyclopedia International 1991." If there are multiple // copyrights, separate them by semicolon followed by a space. case mmioFOURCC('I','C','O','P'): hdr="Copyright";break; // Describes whether an image has been cropped and, if so, how it // was cropped; for example, "lower-right corner." case mmioFOURCC('I','C','R','D'): hdr="Creation Date";break; // Describes whether an image has been cropped and, if so, how it // was cropped; for example, "lower-right corner." case mmioFOURCC('I','C','R','P'): hdr="Cropped";break; // Specifies the size of the original subject of the file; for // example, "8.5 in h, 11 in w." case mmioFOURCC('I','D','I','M'): hdr="Dimensions";break; // Stores dots per inch setting of the digitizer used to // produce the file, such as "300." case mmioFOURCC('I','D','P','I'): hdr="Dots Per Inch";break; // Stores the of the engineer who worked on the file. If there are // multiple engineers, separate the names by a semicolon and a blank; // for example, "Smith, John; Adams, Joe." case mmioFOURCC('I','E','N','G'): hdr="Engineer";break; // Describes the original work, such as "landscape,", "portrait," // "still liefe," etc. case mmioFOURCC('I','G','N','R'): hdr="Genre";break; // Provides a list of keywords that refer to the file or subject of the // file. Separate multiple keywords with a semicolon and a blank; // for example, "Seattle, aerial view; scenery." case mmioFOURCC('I','K','E','Y'): hdr="Keywords";break; // ILGT - Describes the changes in the lightness settings on the digitizer // required to produce the file. Note that the format of this information // depends on the hardware used. case mmioFOURCC('I','L','G','T'): hdr="Lightness";break; // IMED - Decribes the original subject of the file, such as // "computer image," "drawing," "lithograph," and so on. case mmioFOURCC('I','M','E','D'): hdr="Medium";break; // INAM - Stores the title of the subject of the file, such as // "Seattle from Above." case mmioFOURCC('I','N','A','M'): hdr="Title";break; // IPLT - Specifies the number of colors requested when digitizing // an image, such as "256." case mmioFOURCC('I','P','L','T'): hdr="Palette Setting";break; // IPRD - Specifies the name of title the file was originally intended // for, such as "Encyclopedia of Pacific Northwest Geography." case mmioFOURCC('I','P','R','D'): hdr="Product";break; // ISBJ - Decsribes the contents of the file, such as // "Aerial view of Seattle." case mmioFOURCC('I','S','B','J'): hdr="Subject";break; // ISFT - Identifies the name of the software packages used to create the // file, such as "Microsoft WaveEdit" case mmioFOURCC('I','S','F','T'): hdr="Software";break; // ISHP - Identifies the change in sharpness for the digitizer // required to produce the file (the format depends on the hardware used). case mmioFOURCC('I','S','H','P'): hdr="Sharpness";break; // ISRC - Identifies the name of the person or organization who // suplied the original subject of the file; for example, "Try Research." case mmioFOURCC('I','S','R','C'): hdr="Source";break; // ISRF - Identifies the original form of the material that was digitized, // such as "slide," "paper," "map," and so on. This is not necessarily // the same as IMED case mmioFOURCC('I','S','R','F'): hdr="Source Form";break; // ITCH - Identifies the technician who digitized the subject file; // for example, "Smith, John." case mmioFOURCC('I','T','C','H'): hdr="Technician";break; case mmioFOURCC('I','S','M','P'): hdr="Time Code";break; case mmioFOURCC('I','D','I','T'): hdr="Digitization Time";break; case ckidAVIMAINHDR: // read 'avih' stream_read(demuxer->stream,(char*) &avih,FFMIN(size2,sizeof(avih))); le2me_MainAVIHeader(&avih); // swap to machine endian chunksize-=FFMIN(size2,sizeof(avih)); if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_avih(&avih,MSGL_V); // else print_avih_flags(&avih,MSGL_V); break; case ckidSTREAMHEADER: { // read 'strh' AVIStreamHeader h; stream_read(demuxer->stream,(char*) &h,FFMIN(size2,sizeof(h))); le2me_AVIStreamHeader(&h); // swap to machine endian chunksize-=FFMIN(size2,sizeof(h)); ++stream_id; if(h.fccType==streamtypeVIDEO){ sh_video=new_sh_video(demuxer,stream_id); mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_VideoID, "aviheader", stream_id); memcpy(&sh_video->video,&h,sizeof(h)); sh_video->stream_delay = (float)sh_video->video.dwStart * sh_video->video.dwScale/sh_video->video.dwRate; } else if(h.fccType==streamtypeAUDIO){ sh_audio=new_sh_audio(demuxer,stream_id); mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_AudioID, "aviheader", stream_id); memcpy(&sh_audio->audio,&h,sizeof(h)); sh_audio->stream_delay = (float)sh_audio->audio.dwStart * sh_audio->audio.dwScale/sh_audio->audio.dwRate; } last_fccType=h.fccType; last_fccHandler=h.fccHandler; if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_strh(&h,MSGL_V); break; } case mmioFOURCC('i', 'n', 'd', 'x'): { uint32_t i; avisuperindex_chunk *s; if(!index_mode) break; if(chunksize<=24){ break; } priv->suidx_size++; priv->suidx = realloc_struct(priv->suidx, priv->suidx_size, sizeof (avisuperindex_chunk)); s = &priv->suidx[priv->suidx_size-1]; chunksize-=24; memcpy(s->fcc, "indx", 4); s->dwSize = size2; s->wLongsPerEntry = stream_read_word_le(demuxer->stream); s->bIndexSubType = stream_read_char(demuxer->stream); s->bIndexType = stream_read_char(demuxer->stream); s->nEntriesInUse = stream_read_dword_le(demuxer->stream); *(uint32_t *)s->dwChunkId = stream_read_dword_le(demuxer->stream); stream_read(demuxer->stream, (char *)s->dwReserved, 3*4); memset(s->dwReserved, 0, 3*4); print_avisuperindex_chunk(s,MSGL_V); // Check and fix this useless crap if(s->wLongsPerEntry != sizeof (avisuperindex_entry)/4) { mp_msg (MSGT_HEADER, MSGL_WARN, "Broken super index chunk size: %u\n",s->wLongsPerEntry); s->wLongsPerEntry = sizeof(avisuperindex_entry)/4; } if( ((chunksize/4)/s->wLongsPerEntry) < s->nEntriesInUse){ mp_msg (MSGT_HEADER, MSGL_WARN, "Broken super index chunk\n"); s->nEntriesInUse = (chunksize/4)/s->wLongsPerEntry; } s->aIndex = calloc(s->nEntriesInUse, sizeof (avisuperindex_entry)); s->stdidx = calloc(s->nEntriesInUse, sizeof (avistdindex_chunk)); // now the real index of indices for (i=0; i<s->nEntriesInUse; i++) { chunksize-=16; s->aIndex[i].qwOffset = stream_read_qword_le(demuxer->stream); s->aIndex[i].dwSize = stream_read_dword_le(demuxer->stream); s->aIndex[i].dwDuration = stream_read_dword_le(demuxer->stream); mp_msg (MSGT_HEADER, MSGL_V, "ODML (%.4s): [%d] 0x%016"PRIx64" 0x%04x %u\n", (s->dwChunkId), i, (uint64_t)s->aIndex[i].qwOffset, s->aIndex[i].dwSize, s->aIndex[i].dwDuration); } break; } case ckidSTREAMFORMAT: { // read 'strf' if(last_fccType==streamtypeVIDEO){ sh_video->bih=calloc(FFMAX(chunksize, sizeof(BITMAPINFOHEADER)), 1); // sh_video->bih=malloc(chunksize); memset(sh_video->bih,0,chunksize); mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_FoundBitmapInfoHeader,chunksize,sizeof(BITMAPINFOHEADER)); stream_read(demuxer->stream,(char*) sh_video->bih,chunksize); le2me_BITMAPINFOHEADER(sh_video->bih); // swap to machine endian if (sh_video->bih->biSize > chunksize && sh_video->bih->biSize > sizeof(BITMAPINFOHEADER)) sh_video->bih->biSize = chunksize; // fixup MS-RLE header (seems to be broken for <256 color files) if(sh_video->bih->biCompression<=1 && sh_video->bih->biSize==40) sh_video->bih->biSize=chunksize; if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_video_header(sh_video->bih,MSGL_V); chunksize=0; 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; sh_video->format = sh_video->bih->biCompression; // if(demuxer->video->id==-1) demuxer->video->id=stream_id; // IdxFix: idxfix_videostream=stream_id; switch(sh_video->bih->biCompression){ case mmioFOURCC('M', 'P', 'G', '4'): case mmioFOURCC('m', 'p', 'g', '4'): case mmioFOURCC('D', 'I', 'V', '1'): idxfix_divx=3; // set index recovery mpeg4 flavour: msmpeg4v1 mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_RegeneratingKeyfTableForMPG4V1); break; case mmioFOURCC('D', 'I', 'V', '3'): case mmioFOURCC('d', 'i', 'v', '3'): case mmioFOURCC('D', 'I', 'V', '4'): case mmioFOURCC('d', 'i', 'v', '4'): case mmioFOURCC('D', 'I', 'V', '5'): case mmioFOURCC('d', 'i', 'v', '5'): case mmioFOURCC('D', 'I', 'V', '6'): case mmioFOURCC('d', 'i', 'v', '6'): case mmioFOURCC('M', 'P', '4', '3'): case mmioFOURCC('m', 'p', '4', '3'): case mmioFOURCC('M', 'P', '4', '2'): case mmioFOURCC('m', 'p', '4', '2'): case mmioFOURCC('D', 'I', 'V', '2'): case mmioFOURCC('A', 'P', '4', '1'): idxfix_divx=1; // set index recovery mpeg4 flavour: msmpeg4v3 mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_RegeneratingKeyfTableForDIVX3); break; case mmioFOURCC('D', 'I', 'V', 'X'): case mmioFOURCC('d', 'i', 'v', 'x'): case mmioFOURCC('D', 'X', '5', '0'): case mmioFOURCC('X', 'V', 'I', 'D'): case mmioFOURCC('x', 'v', 'i', 'd'): case mmioFOURCC('F', 'M', 'P', '4'): case mmioFOURCC('f', 'm', 'p', '4'): idxfix_divx=2; // set index recovery mpeg4 flavour: generic mpeg4 mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_RegeneratingKeyfTableForMPEG4); break; } } else if(last_fccType==streamtypeAUDIO){ unsigned wf_size = chunksize<sizeof(WAVEFORMATEX)?sizeof(WAVEFORMATEX):chunksize; sh_audio->wf=calloc(wf_size,1); // sh_audio->wf=malloc(chunksize); memset(sh_audio->wf,0,chunksize); mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_FoundWaveFmt,chunksize,sizeof(WAVEFORMATEX)); stream_read(demuxer->stream,(char*) sh_audio->wf,chunksize); le2me_WAVEFORMATEX(sh_audio->wf); if (sh_audio->wf->cbSize != 0 && wf_size < sizeof(WAVEFORMATEX)+sh_audio->wf->cbSize) { sh_audio->wf=realloc(sh_audio->wf, sizeof(WAVEFORMATEX)+sh_audio->wf->cbSize); } sh_audio->format=sh_audio->wf->wFormatTag; if (sh_audio->format == 1 && last_fccHandler == mmioFOURCC('A', 'x', 'a', 'n')) sh_audio->format = last_fccHandler; sh_audio->i_bps=sh_audio->wf->nAvgBytesPerSec; chunksize=0; if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_wave_header(sh_audio->wf,MSGL_V); ++priv->audio_streams; // if(demuxer->audio->id==-1) demuxer->audio->id=stream_id; } break; } case mmioFOURCC('v', 'p', 'r', 'p'): { VideoPropHeader *vprp = malloc(chunksize); unsigned int i; stream_read(demuxer->stream, (void*)vprp, chunksize); le2me_VideoPropHeader(vprp); chunksize -= sizeof(*vprp)-sizeof(vprp->FieldInfo); chunksize /= sizeof(VIDEO_FIELD_DESC); if (vprp->nbFieldPerFrame > chunksize) { vprp->nbFieldPerFrame = chunksize; } chunksize = 0; for (i=0; i<vprp->nbFieldPerFrame; i++) { le2me_VIDEO_FIELD_DESC(&vprp->FieldInfo[i]); } if (sh_video) { sh_video->aspect = GET_AVI_ASPECT(vprp->dwFrameAspectRatio); } if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_vprp(vprp,MSGL_V); free(vprp); break; } case mmioFOURCC('d', 'm', 'l', 'h'): { // dmlh 00 00 00 04 frms unsigned int total_frames = stream_read_dword_le(demuxer->stream); mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_FoundAVIV2Header, chunksize, total_frames); stream_skip(demuxer->stream, chunksize-4); chunksize = 0; } break; case ckidAVINEWINDEX: if(demuxer->movi_end>stream_tell(demuxer->stream)) demuxer->movi_end=stream_tell(demuxer->stream); // fixup movi-end if(index_mode && !priv->isodml){ int i; priv->idx_size=size2>>4; mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_ReadingIndexBlockChunksForFrames, priv->idx_size,avih.dwTotalFrames, (int64_t)stream_tell(demuxer->stream)); priv->idx=malloc(priv->idx_size<<4); // printf("\nindex to %p !!!!! (priv=%p)\n",priv->idx,priv); stream_read(demuxer->stream,(char*)priv->idx,priv->idx_size<<4); for (i = 0; i < priv->idx_size; i++) { // swap index to machine endian AVIINDEXENTRY *entry=(AVIINDEXENTRY*)priv->idx + i; le2me_AVIINDEXENTRY(entry); /* * We (ab)use the upper word for bits 32-47 of the offset, so * we'll clear them here. * FIXME: AFAIK no codec uses them, but if one does it will break */ entry->dwFlags&=0xffff; } chunksize-=priv->idx_size<<4; if( mp_msg_test(MSGT_HEADER,MSGL_DBG2) ) print_index(priv->idx,priv->idx_size,MSGL_DBG2); } break; /* added May 2002 */ case mmioFOURCC('R','I','F','F'): { char riff_type[4]; mp_msg(MSGT_HEADER, MSGL_V, MSGTR_MPDEMUX_AVIHDR_AdditionalRIFFHdr); stream_read(demuxer->stream, riff_type, sizeof riff_type); if (strncmp(riff_type, "AVIX", sizeof riff_type)) mp_msg(MSGT_HEADER, MSGL_WARN, MSGTR_MPDEMUX_AVIHDR_WarnNotExtendedAVIHdr); else { /* * We got an extended AVI header, so we need to switch to * ODML to get seeking to work, provided we got indx chunks * in the header (suidx_size > 0). */ if (priv->suidx_size > 0) priv->isodml = 1; } chunksize = 0; list_end = 0; /* a new list will follow */ break; } case ckidAVIPADDING: stream_skip(demuxer->stream, chunksize); chunksize = 0; break; } if(hdr){ mp_msg(MSGT_HEADER,MSGL_V,"hdr=%s size=%u\n",hdr,size2); if(size2==3) chunksize=1; // empty else { char buf[256]; int len=(size2<250)?size2:250; stream_read(demuxer->stream,buf,len); chunksize-=len; buf[len]=0; mp_msg(MSGT_HEADER,MSGL_V,"%-10s: %s\n",hdr,buf); demux_info_add(demuxer, hdr, buf); } } mp_msg(MSGT_HEADER,MSGL_DBG2,"list_end=0x%"PRIX64" pos=0x%"PRIX64" chunksize=0x%"PRIX64" next=0x%"PRIX64"\n", (int64_t)list_end, (int64_t)stream_tell(demuxer->stream), (int64_t)chunksize, (int64_t)chunksize+(int64_t)stream_tell(demuxer->stream)); if(list_end>0 && chunksize+stream_tell(demuxer->stream) == list_end) list_end=0; if(list_end>0 && chunksize+stream_tell(demuxer->stream)>list_end){ mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_BrokenChunk,chunksize,(char *) &id); stream_seek(demuxer->stream,list_end); list_end=0; } else if(chunksize>0) stream_skip(demuxer->stream,chunksize); else if((int)chunksize<0) mp_msg(MSGT_HEADER,MSGL_WARN,"chunksize=%u (id=%.4s)\n",chunksize,(char *) &id); }