Revel_Error Revel_BaseEncoder::EncodeAudio(const void *sampleBuffer, const int numBytes, int *numTotalBytes) { // Make sure it's safe to be encoding. if (!m_isEncoding) return REVEL_ERR_BUSY; if (m_params.hasAudio != 1) return REVEL_ERR_NONE; // Check args if (numBytes == 0) return REVEL_ERR_NONE; if (sampleBuffer == NULL) return REVEL_ERR_PARAMS; int err = AVI_write_audio(m_outFile, (char*)sampleBuffer, numBytes); if (err != 0) return REVEL_ERR_FILE; m_totalOutBytes += numBytes; if (numTotalBytes != NULL) *numTotalBytes = AVI_audio_bytes(m_outFile); return REVEL_ERR_NONE; }
static void avr_on_audio_frame ( void *udta, char *buffer, u32 buffer_size, u32 time, u32 delay_ms ) { GF_AVRedirect *avr = ( GF_AVRedirect * ) udta; if (start_if_needed(avr)) return; #ifdef AVR_DUMP_RAW_AVI AVI_write_audio ( avr->avi_out, buffer, buffer_size ); #endif /* AVR_DUMP_RAW_AVI */ { gf_ringbuffer_write(avr->pcmAudio, buffer, buffer_size); avr->audioCurrentTime = time - delay_ms; } }
/* for supported audio formats */ static int AV_synch_avi2avi(AVIData *data, double vid_ms, double *aud_ms, avi_t *in, avi_t *out) { long bytes = 0; while (*aud_ms < vid_ms) { bytes = AVI_read_audio_chunk(in, data->data); if (bytes < 0) { AVI_print_error("AVI audio read frame"); return -2; } if (out) { if (AVI_write_audio(out, data->data, bytes) < 0) { AVI_print_error("AVI write audio frame"); return -1; } } // pass-through null frames (!?) if (bytes == 0) { *aud_ms = vid_ms; break; // !? } if (data->vbr && tc_get_audio_header(data->data, bytes, data->format, NULL, NULL, &(data->mp3rate)) < 0) { // if this is the last frame of the file, slurp in audio chunks //if (n == frames-1) continue; *aud_ms = vid_ms; } else { if (data->vbr) data->mp3rate *= 1000; *aud_ms += (bytes*8.0*1000.0)/(double)data->mp3rate; } } return 0; }
/* for UNsupported audio formats */ static int AV_synch_avi2avi_raw(AVIData *data, avi_t *in, avi_t *out) { long bytes = 0; do { bytes = AVI_read_audio_chunk(in, data->data); if (bytes < 0) { AVI_print_error("AVI audio read frame"); return -2; } if (out) { if (AVI_write_audio(out, data->data, bytes) < 0) { AVI_print_error("AVI write audio frame"); return -1; } } } while (AVI_can_read_audio(in)); return 0; }
static int sync_audio_frame(struct ALL_DATA *all_data, AudBuff *proc_buff) { struct paRecordData *pdata = all_data->pdata; struct GLOBAL *global = all_data->global; struct VideoFormatData *videoF = all_data->videoF; switch (global->VidFormat) { case AVI_FORMAT: /*first audio data - sync with video (audio stream capture can take */ /*a bit longer to start) */ /*no need of locking the audio mutex yet, since we are not reading from the buffer*/ if (!(videoF->AviOut->track[0].audio_bytes)) { /*only 1 audio stream*/ /*time diff for audio-video*/ int synctime= (int) (pdata->delay + pdata->snd_begintime - pdata->ts_ref)/1000000; /*convert to miliseconds*/ if (global->debug) g_print("shift sound by %d ms\n", synctime); if(synctime>10 && synctime<2000) { /*only sync between 10ms and 2 seconds*/ if(global->Sound_Format == PA_FOURCC) { /*shift sound by synctime*/ UINT32 shiftFrames = abs(synctime * global->Sound_SampRate / 1000); UINT32 shiftSamples = shiftFrames * global->Sound_NumChan; if (global->debug) g_print("shift sound forward by %d samples\n", shiftSamples); short *EmptySamp; EmptySamp=g_new0(short, shiftSamples); AVI_write_audio(videoF->AviOut,(BYTE *) EmptySamp,shiftSamples*sizeof(short)); g_free(EmptySamp); } else { /*use lavc encoder*/ } }
int main(int argc, char *argv[]) { avi_t *avifile, *avifile1, *avifile2; char *outfile=NULL, *infile=NULL, *audfile=NULL; long rate, mp3rate; int j, ch, cc=0, track_num=0, out_track_num=-1; int width, height, format=0, format_add, chan, bits, aud_error=0; double fps; char *codec; long offset, frames, n, bytes, aud_offset=0; int key; int aud_tracks; // for mp3 audio FILE *f=NULL; int len, headlen, chan_i, rate_i, mp3rate_i; unsigned long vid_chunks=0; char head[8]; off_t pos; double aud_ms = 0.0, vid_ms = 0.0; double aud_ms_w[AVI_MAX_TRACKS]; ac_init(AC_ALL); if(argc==1) usage(EXIT_FAILURE); while ((ch = getopt(argc, argv, "A:a:b:ci:o:p:f:x:?hv")) != -1) { switch (ch) { case 'i': if(optarg[0]=='-') usage(EXIT_FAILURE); infile = optarg; break; case 'A': if(optarg[0]=='-') usage(EXIT_FAILURE); out_track_num = atoi(optarg); if(out_track_num<-1) usage(EXIT_FAILURE); break; case 'a': if(optarg[0]=='-') usage(EXIT_FAILURE); track_num = atoi(optarg); if(track_num<0) usage(EXIT_FAILURE); break; case 'b': if(optarg[0]=='-') usage(EXIT_FAILURE); is_vbr = atoi(optarg); if(is_vbr<0) usage(EXIT_FAILURE); break; case 'c': drop_video = 1; break; case 'o': if(optarg[0]=='-') usage(EXIT_FAILURE); outfile = optarg; break; case 'p': if(optarg[0]=='-') usage(EXIT_FAILURE); audfile = optarg; break; case 'f': if(optarg[0]=='-') usage(EXIT_FAILURE); comfile = optarg; break; case 'x': if(optarg[0]=='-') usage(EXIT_FAILURE); indexfile = optarg; break; case 'v': version(); exit(EXIT_SUCCESS); case 'h': usage(EXIT_SUCCESS); default: usage(EXIT_FAILURE); } } if(outfile == NULL || infile == NULL) usage(EXIT_FAILURE); printf("scanning file %s for video/audio parameter\n", infile); // open first file for video/audio info read only if(indexfile) { if (NULL == (avifile1 = AVI_open_input_indexfile(infile,0,indexfile))) { AVI_print_error("AVI open with index file"); } } else if(NULL == (avifile1 = AVI_open_input_file(infile,1))) { AVI_print_error("AVI open"); exit(1); } AVI_info(avifile1); // safety checks if(strcmp(infile, outfile)==0) { printf("error: output filename conflicts with input filename\n"); exit(1); } ch = optind; while (ch < argc) { if(tc_file_check(argv[ch]) != 0) { printf("error: file not found\n"); exit(1); } if(strcmp(argv[ch++], outfile)==0) { printf("error: output filename conflicts with input filename\n"); exit(1); } } // open output file if(NULL == (avifile = AVI_open_output_file(outfile))) { AVI_print_error("AVI open"); exit(1); } // read video info; width = AVI_video_width(avifile1); height = AVI_video_height(avifile1); fps = AVI_frame_rate(avifile1); codec = AVI_video_compressor(avifile1); //set video in outputfile AVI_set_video(avifile, width, height, fps, codec); if (comfile!=NULL) AVI_set_comment_fd(avifile, open(comfile, O_RDONLY)); //multi audio tracks? aud_tracks = AVI_audio_tracks(avifile1); if (out_track_num < 0) out_track_num = aud_tracks; for(j=0; j<aud_tracks; ++j) { if (out_track_num == j) continue; AVI_set_audio_track(avifile1, j); rate = AVI_audio_rate(avifile1); chan = AVI_audio_channels(avifile1); bits = AVI_audio_bits(avifile1); format = AVI_audio_format(avifile1); mp3rate= AVI_audio_mp3rate(avifile1); //printf("TRACK %d MP3RATE %ld VBR %ld\n", j, mp3rate, AVI_get_audio_vbr(avifile1)); //set next track of output file AVI_set_audio_track(avifile, j); AVI_set_audio(avifile, chan, rate, bits, format, mp3rate); AVI_set_audio_vbr(avifile, AVI_get_audio_vbr(avifile1)); } if(audfile!=NULL) goto audio_merge; // close reopen in merger function AVI_close(avifile1); //------------------------------------------------------------- printf("merging multiple AVI-files (concatenating) ...\n"); // extract and write to new files printf ("file %02d %s\n", ++cc, infile); merger(avifile, infile); while (optind < argc) { printf ("file %02d %s\n", ++cc, argv[optind]); merger(avifile, argv[optind++]); } // close new AVI file AVI_close(avifile); printf("... done merging %d file(s) in %s\n", cc, outfile); // reopen file for video/audio info if(NULL == (avifile = AVI_open_input_file(outfile,1))) { AVI_print_error("AVI open"); exit(1); } AVI_info(avifile); return(0); //------------------------------------------------------------- // ************************************************* // Merge the audio track of an additional AVI file // ************************************************* audio_merge: printf("merging audio %s track %d (multiplexing) into %d ...\n", audfile, track_num, out_track_num); // open audio file read only if(NULL == (avifile2 = AVI_open_input_file(audfile,1))) { int f=open(audfile, O_RDONLY), ret=0; char head[1024], *c; c = head; if (f>0 && (1024 == read(f, head, 1024)) ) { while ((c-head<1024-8) && (ret = tc_probe_audio_header(c, 8))<=0 ) { c++; } close(f); if (ret > 0) { aud_offset = c-head; //printf("found atrack 0x%x off=%ld\n", ret, aud_offset); goto merge_mp3; } } AVI_print_error("AVI open"); exit(1); } AVI_info(avifile2); //switch to requested track if(AVI_set_audio_track(avifile2, track_num)<0) { fprintf(stderr, "invalid audio track\n"); } rate = AVI_audio_rate(avifile2); chan = AVI_audio_channels(avifile2); bits = AVI_audio_bits(avifile2); format = AVI_audio_format(avifile2); mp3rate= AVI_audio_mp3rate(avifile2); //set next track AVI_set_audio_track(avifile, out_track_num); AVI_set_audio(avifile, chan, rate, bits, format, mp3rate); AVI_set_audio_vbr(avifile, AVI_get_audio_vbr(avifile2)); AVI_seek_start(avifile1); frames = AVI_video_frames(avifile1); offset = 0; printf ("file %02d %s\n", ++cc, infile); for (n=0; n<AVI_MAX_TRACKS; n++) aud_ms_w[n] = 0.0; vid_chunks=0; for (n=0; n<frames; ++n) { // video bytes = AVI_read_frame(avifile1, data, &key); if(bytes < 0) { AVI_print_error("AVI read video frame"); return(-1); } if(AVI_write_frame(avifile, data, bytes, key)<0) { AVI_print_error("AVI write video frame"); return(-1); } ++vid_chunks; vid_ms = vid_chunks*1000.0/fps; for(j=0; j<aud_tracks; ++j) { if (j == out_track_num) continue; AVI_set_audio_track(avifile1, j); AVI_set_audio_track(avifile, j); chan = AVI_audio_channels(avifile1); // audio chan = AVI_audio_channels(avifile1); if(chan) { sync_audio_video_avi2avi(vid_ms, &aud_ms_w[j], avifile1, avifile); } } // merge additional track // audio chan = AVI_audio_channels(avifile2); AVI_set_audio_track(avifile, out_track_num); if(chan) { sync_audio_video_avi2avi(vid_ms, &aud_ms, avifile2, avifile); } // progress fprintf(stderr, "[%s] (%06ld-%06ld)\r", outfile, offset, offset + n); } fprintf(stderr,"\n"); offset = frames; //more files to merge? AVI_close(avifile1); while (optind < argc) { printf ("file %02d %s\n", ++cc, argv[optind]); if(NULL == ( avifile1 = AVI_open_input_file(argv[optind++],1))) { AVI_print_error("AVI open"); goto finish; } AVI_seek_start(avifile1); frames = AVI_video_frames(avifile1); for (n=0; n<frames; ++n) { // video bytes = AVI_read_frame(avifile1, data, &key); if(bytes < 0) { AVI_print_error("AVI read video frame"); return(-1); } if(AVI_write_frame(avifile, data, bytes, key)<0) { AVI_print_error("AVI write video frame"); return(-1); } ++vid_chunks; vid_ms = vid_chunks*1000.0/fps; // audio for(j=0; j<aud_tracks; ++j) { if (j == out_track_num) continue; AVI_set_audio_track(avifile1, j); AVI_set_audio_track(avifile, j); chan = AVI_audio_channels(avifile1); if(chan) { sync_audio_video_avi2avi(vid_ms, &aud_ms_w[j], avifile1, avifile); } } // merge additional track chan = AVI_audio_channels(avifile2); AVI_set_audio_track(avifile, out_track_num); if(chan) { sync_audio_video_avi2avi(vid_ms, &aud_ms, avifile2, avifile); } // chan // progress fprintf(stderr, "[%s] (%06ld-%06ld)\r", outfile, offset, offset + n); } fprintf(stderr, "\n"); offset += frames; AVI_close(avifile1); } finish: // close new AVI file printf("... done multiplexing in %s\n", outfile); AVI_info(avifile); AVI_close(avifile); return(0); // ************************************************* // Merge a raw audio file which is either MP3 or AC3 // ************************************************* merge_mp3: f = fopen(audfile,"rb"); if (!f) { perror ("fopen"); exit(1); } fseek(f, aud_offset, SEEK_SET); len = fread(head, 1, 8, f); format_add = tc_probe_audio_header(head, len); headlen = tc_get_audio_header(head, len, format_add, &chan_i, &rate_i, &mp3rate_i); fprintf(stderr, "... this looks like a %s track ...\n", (format_add==0x55)?"MP3":"AC3"); fseek(f, aud_offset, SEEK_SET); //set next track AVI_set_audio_track(avifile, out_track_num); AVI_set_audio(avifile, chan_i, rate_i, 16, format_add, mp3rate_i); AVI_set_audio_vbr(avifile, is_vbr); AVI_seek_start(avifile1); frames = AVI_video_frames(avifile1); offset = 0; for (n=0; n<AVI_MAX_TRACKS; ++n) aud_ms_w[n] = 0.0; for (n=0; n<frames; ++n) { // video bytes = AVI_read_frame(avifile1, data, &key); if(bytes < 0) { AVI_print_error("AVI read video frame"); return(-1); } if(AVI_write_frame(avifile, data, bytes, key)<0) { AVI_print_error("AVI write video frame"); return(-1); } vid_chunks++; vid_ms = vid_chunks*1000.0/fps; for(j=0; j<aud_tracks; ++j) { if (j == out_track_num) continue; AVI_set_audio_track(avifile1, j); AVI_set_audio_track(avifile, j); chan = AVI_audio_channels(avifile1); if(chan) { sync_audio_video_avi2avi(vid_ms, &aud_ms_w[j], avifile1, avifile); } } // merge additional track if(headlen>4 && !aud_error) { while (aud_ms < vid_ms) { //printf("reading Audio Chunk ch(%ld) vms(%lf) ams(%lf)\n", vid_chunks, vid_ms, aud_ms); pos = ftell(f); len = fread (head, 1, 8, f); if (len<=0) { //eof fprintf(stderr, "EOF in %s; continuing ..\n", audfile); aud_error=1; break; } if ( (headlen = tc_get_audio_header(head, len, format_add, NULL, NULL, &mp3rate_i))<0) { fprintf(stderr, "Broken %s track #(%d)? skipping\n", (format_add==0x55?"MP3":"AC3"), aud_tracks); aud_ms = vid_ms; aud_error=1; } else { // look in import/tcscan.c for explanation aud_ms += (headlen*8.0)/(mp3rate_i); } fseek (f, pos, SEEK_SET); len = fread (data, headlen, 1, f); if (len<=0) { //eof fprintf(stderr, "EOF in %s; continuing ..\n", audfile); aud_error=1; break; } AVI_set_audio_track(avifile, out_track_num); if(AVI_write_audio(avifile, data, headlen)<0) { AVI_print_error("AVI write audio frame"); return(-1); } } } // progress fprintf(stderr, "[%s] (%06ld-%06ld)\r", outfile, offset, offset + n); } fprintf(stderr,"\n"); offset = frames; // more files? while (optind < argc) { printf ("file %02d %s\n", ++cc, argv[optind]); if(NULL == ( avifile1 = AVI_open_input_file(argv[optind++],1))) { AVI_print_error("AVI open"); goto finish; } AVI_seek_start(avifile1); frames = AVI_video_frames(avifile1); for (n=0; n<frames; ++n) { // video bytes = AVI_read_frame(avifile1, data, &key); if(bytes < 0) { AVI_print_error("AVI read video frame"); return(-1); } if(AVI_write_frame(avifile, data, bytes, key)<0) { AVI_print_error("AVI write video frame"); return(-1); } vid_chunks++; vid_ms = vid_chunks*1000.0/fps; for(j=0; j<aud_tracks; ++j) { if (j == out_track_num) continue; AVI_set_audio_track(avifile1, j); AVI_set_audio_track(avifile, j); chan = AVI_audio_channels(avifile1); if(chan) { sync_audio_video_avi2avi(vid_ms, &aud_ms_w[j], avifile1, avifile); } } // merge additional track // audio if(headlen>4 && !aud_error) { while (aud_ms < vid_ms) { //printf("reading Audio Chunk ch(%ld) vms(%lf) ams(%lf)\n", vid_chunks, vid_ms, aud_ms); pos = ftell(f); len = fread (head, 8, 1, f); if (len<=0) { //eof fprintf(stderr, "EOF in %s; continuing ..\n", audfile); aud_error=1; break; } if ( (headlen = tc_get_audio_header(head, len, format_add, NULL, NULL, &mp3rate_i))<0) { fprintf(stderr, "Broken %s track #(%d)?\n", (format_add==0x55?"MP3":"AC3"), aud_tracks); aud_ms = vid_ms; aud_error=1; } else { // look in import/tcscan.c for explanation aud_ms += (headlen*8.0)/(mp3rate_i); } fseek (f, pos, SEEK_SET); len = fread (data, headlen, 1, f); if (len<=0) { //eof fprintf(stderr, "EOF in %s; continuing ..\n", audfile); aud_error=1; break; } AVI_set_audio_track(avifile, out_track_num); if(AVI_write_audio(avifile, data, headlen)<0) { AVI_print_error("AVI write audio frame"); return(-1); } } } // progress fprintf(stderr, "[%s] (%06ld-%06ld)\r", outfile, offset, offset + n); } fprintf(stderr, "\n"); offset += frames; AVI_close(avifile1); } if (f) fclose(f); printf("... done multiplexing in %s\n", outfile); AVI_close(avifile); return(0); }
int main(int argc, char *argv[]) { avi_t *avifile1=NULL; avi_t *avifile2=NULL; avi_t *avifile3=NULL; char *in_file=NULL, *out_file=NULL; long frames, bytes; double fps; char *codec; int track_num=0, aud_tracks; int encode_null=0; int i, j, n, key, shift=0; int ch, preload=0; long rate, mp3rate; int width, height, format, chan, bits; int be_quiet = 0; FILE *status_fd = stderr; /* for null frame encoding */ char nulls[32000]; long nullbytes=0; char tmp0[] = "/tmp/nullfile.00.avi"; /* XXX: use mktemp*() */ buffer_list_t *ptr; double vid_ms = 0.0, shift_ms = 0.0, one_vid_ms = 0.0; double aud_ms [ AVI_MAX_TRACKS ]; int aud_bitrate = 0; int aud_chunks = 0; ac_init(AC_ALL); if(argc==1) usage(EXIT_FAILURE); while ((ch = getopt(argc, argv, "a:b:vi:o:n:Nq?h")) != -1) { switch (ch) { case 'i': if(optarg[0]=='-') usage(EXIT_FAILURE); in_file=optarg; break; case 'a': if(optarg[0]=='-') usage(EXIT_FAILURE); track_num = atoi(optarg); if(track_num<0) usage(EXIT_FAILURE); break; case 'b': if(optarg[0]=='-') usage(EXIT_FAILURE); is_vbr = atoi(optarg); if(is_vbr<0) usage(EXIT_FAILURE); break; case 'o': if(optarg[0]=='-') usage(EXIT_FAILURE); out_file=optarg; break; case 'f': if(optarg[0]=='-') usage(EXIT_FAILURE); comfile = optarg; break; case 'n': if(sscanf(optarg,"%d", &shift)!=1) { fprintf(stderr, "invalid parameter for option -n\n"); usage(EXIT_FAILURE); } break; case 'N': encode_null=1; break; case 'q': be_quiet = 1; break; case 'v': version(); exit(0); break; case 'h': usage(EXIT_SUCCESS); default: usage(EXIT_FAILURE); } } // check if(in_file==NULL || out_file == NULL) usage(EXIT_FAILURE); if(shift == 0) fprintf(stderr, "no sync requested - exit"); memset (nulls, 0, sizeof(nulls)); // open file if(NULL == (avifile1 = AVI_open_input_file(in_file,1))) { AVI_print_error("AVI open"); exit(1); } if(strcmp(in_file, out_file)==0) { printf("error: output filename conflicts with input filename\n"); exit(1); } if(NULL == (avifile2 = AVI_open_output_file(out_file))) { AVI_print_error("AVI open"); exit(1); } if (be_quiet) { if (!(status_fd = fopen("/dev/null", "w"))) { fprintf(stderr, "Can't open /dev/null\n"); exit(1); } } // read video info; AVI_info(avifile1); // read video info; frames = AVI_video_frames(avifile1); width = AVI_video_width(avifile1); height = AVI_video_height(avifile1); fps = AVI_frame_rate(avifile1); codec = AVI_video_compressor(avifile1); //set video in outputfile AVI_set_video(avifile2, width, height, fps, codec); if (comfile!=NULL) AVI_set_comment_fd(avifile2, open(comfile, O_RDONLY)); aud_tracks = AVI_audio_tracks(avifile1); for(j=0; j<aud_tracks; ++j) { AVI_set_audio_track(avifile1, j); rate = AVI_audio_rate(avifile1); chan = AVI_audio_channels(avifile1); bits = AVI_audio_bits(avifile1); format = AVI_audio_format(avifile1); mp3rate= AVI_audio_mp3rate(avifile1); //set next track of output file AVI_set_audio_track(avifile2, j); AVI_set_audio(avifile2, chan, rate, bits, format, mp3rate); AVI_set_audio_vbr(avifile2, is_vbr); } //switch to requested audio_channel if(AVI_set_audio_track(avifile1, track_num)<0) { fprintf(stderr, "invalid auto track\n"); } AVI_set_audio_track(avifile2, track_num); if (encode_null) { char cmd[1024]; rate = AVI_audio_rate(avifile2); chan = AVI_audio_channels(avifile2); bits = AVI_audio_bits(avifile2); format = AVI_audio_format(avifile2); mp3rate= AVI_audio_mp3rate(avifile2); if (bits==0) bits=16; if (mp3rate%2) mp3rate++; fprintf(status_fd, "Creating silent mp3 frame with current parameter\n"); memset (cmd, 0, sizeof(cmd)); tc_snprintf(cmd, sizeof(cmd), "transcode -i /dev/zero -o %s -x raw,raw" " -n 0x1 -g 16x16 -y raw,raw -c 0-5 -e %ld,%d,%d -b %ld -q0", tmp0, rate,bits,chan, mp3rate); printf(cmd); system(cmd); if(NULL == (avifile3 = AVI_open_input_file(tmp0,1))) { AVI_print_error("AVI open"); exit(1); } nullbytes = AVI_audio_size(avifile3, 3); /* just read a few frames */ if(AVI_read_audio(avifile3, nulls, nullbytes) < 0) { AVI_print_error("AVI audio read frame"); return(-1); } memset (nulls, 0, sizeof(nulls)); if(AVI_read_audio(avifile3, nulls, nullbytes) < 0) { AVI_print_error("AVI audio read frame"); return(-1); } memset (nulls, 0, sizeof(nulls)); if(AVI_read_audio(avifile3, nulls, nullbytes) < 0) { AVI_print_error("AVI audio read frame"); return(-1); } /* printf("\nBytes (%ld): \n", nullbytes); { int asd=0; for (asd=0; asd<nullbytes; asd++){ printf("%x ",(unsigned char)nulls[asd]); } printf("\n"); } */ } vid_ms = 0.0; shift_ms = 0.0; for (n=0; n<AVI_MAX_TRACKS; ++n) aud_ms[n] = 0.0; // --------------------------------------------------------------------- for (n=0; n<frames; ++n) { // video unchanged bytes = AVI_read_frame(avifile1, data, &key); if(bytes < 0) { AVI_print_error("AVI read video frame"); return(-1); } if(AVI_write_frame(avifile2, data, bytes, key)<0) { AVI_print_error("AVI write video frame"); return(-1); } vid_ms = (n+1)*1000.0/fps; // Pass-through all other audio tracks. for(j=0; j<aud_tracks; ++j) { // skip track we want to modify if (j == track_num) continue; // switch to track AVI_set_audio_track(avifile1, j); AVI_set_audio_track(avifile2, j); sync_audio_video_avi2avi(vid_ms, &aud_ms[j], avifile1, avifile2); } //switch to requested audio_channel if(AVI_set_audio_track(avifile1, track_num)<0) { fprintf(stderr, "invalid auto track\n"); } AVI_set_audio_track(avifile2, track_num); shift_ms = (double)shift*1000.0/fps; one_vid_ms = 1000.0/fps; format = AVI_audio_format(avifile1); rate = AVI_audio_rate(avifile1); chan = AVI_audio_channels(avifile1); bits = AVI_audio_bits(avifile1); bits = bits==0?16:bits; mp3rate= AVI_audio_mp3rate(avifile1); if(shift>0) { // for n < shift, shift audio frames are discarded if(!preload) { if (tc_format_ms_supported(format)) { for(i=0;i<shift;++i) { //fprintf (stderr, "shift (%d) i (%d) n (%d) a (%d)\n", shift, i, n, aud_chunks); while (aud_ms[track_num] < vid_ms + one_vid_ms*(double)i) { aud_bitrate = (format==0x1||format==0x2000)?1:0; aud_chunks++; if( (bytes = AVI_read_audio_chunk(avifile1, data)) <= 0) { aud_ms[track_num] = vid_ms + one_vid_ms*i; if (bytes == 0) continue; AVI_print_error("AVI 2 audio read frame"); break; } if ( !aud_bitrate && tc_get_audio_header(data, bytes, format, NULL, NULL, &aud_bitrate)<0) { // if this is the last frame of the file, slurp in audio chunks if (n == frames-1) continue; aud_ms[track_num] = vid_ms + one_vid_ms*i; } else aud_ms[track_num] += (bytes*8.0)/(format==0x1?((double)(rate*chan*bits)/1000.0): (format==0x2000?(double)(mp3rate):aud_bitrate)); } } } else { // fallback bytes=0; for(i=0;i<shift;++i) { do { if( (bytes = AVI_read_audio_chunk(avifile1, data)) < 0) { AVI_print_error("AVI audio read frame"); return(-1); } } while (AVI_can_read_audio(avifile1)); } } preload=1; } // copy rest of the track if(n<frames-shift) { if (tc_format_ms_supported(format)) { while (aud_ms[track_num] < vid_ms + shift_ms) { aud_chunks++; aud_bitrate = (format==0x1||format==0x2000)?1:0; if( (bytes = AVI_read_audio_chunk(avifile1, data)) < 0) { aud_ms[track_num] = vid_ms + shift_ms; AVI_print_error("AVI 3 audio read frame"); break; } if(AVI_write_audio(avifile2, data, bytes) < 0) { AVI_print_error("AVI 3 write audio frame"); return(-1); } fprintf(status_fd, "V [%05d][%08.2f] | A [%05d][%08.2f] [%05ld]\r", n, vid_ms, aud_chunks, aud_ms[track_num], bytes); if (bytes == 0) { aud_ms[track_num] = vid_ms + shift_ms; continue; } if(n>=frames-2*shift) { // save audio frame for later ptr = buffer_register(n); if(ptr==NULL) { fprintf(stderr,"buffer allocation failed\n"); break; } ac_memcpy(ptr->data, data, bytes); ptr->size = bytes; ptr->status = BUFFER_READY; } if ( !aud_bitrate && tc_get_audio_header(data, bytes, format, NULL, NULL, &aud_bitrate)<0) { if (n == frames-1) continue; aud_ms[track_num] = vid_ms + shift_ms; } else aud_ms[track_num] += (bytes*8.0)/(format==0x1?((double)(rate*chan*bits)/1000.0): (format==0x2000?(double)(mp3rate):aud_bitrate)); } } else { // fallback bytes = AVI_audio_size(avifile1, n+shift-1); do { if( (bytes = AVI_read_audio_chunk(avifile1, data)) < 0) { AVI_print_error("AVI audio read frame"); return(-1); } if(AVI_write_audio(avifile2, data, bytes) < 0) { AVI_print_error("AVI write audio frame"); return(-1); } fprintf(status_fd, "V [%05d] | A [%05d] [%05ld]\r", n, n+shift, bytes); if(n>=frames-2*shift) { // save audio frame for later ptr = buffer_register(n); if(ptr==NULL) { fprintf(stderr,"buffer allocation failed\n"); break; } ac_memcpy(ptr->data, data, bytes); ptr->size = bytes; ptr->status = BUFFER_READY; } } while (AVI_can_read_audio(avifile1)); } } // padding at the end if(n>=frames-shift) { if (!ptrlen) { ptr = buffer_retrieve(); ac_memcpy (ptrdata, ptr->data, ptr->size); ptrlen = ptr->size; } if (tc_format_ms_supported(format)) { while (aud_ms[track_num] < vid_ms + shift_ms) { aud_bitrate = (format==0x1||format==0x2000)?1:0; // mute this -- check if can mute (valid A header)! if (tc_probe_audio_header(ptrdata, ptrlen) > 0) tc_format_mute(ptrdata, ptrlen, format); if(AVI_write_audio(avifile2, ptrdata, ptrlen) < 0) { AVI_print_error("AVI write audio frame"); return(-1); } fprintf(status_fd, " V [%05d][%08.2f] | A [%05d][%08.2f] [%05ld]\r", n, vid_ms, n+shift, aud_ms[track_num], bytes); if ( !aud_bitrate && tc_get_audio_header(ptrdata, ptrlen, format, NULL, NULL, &aud_bitrate)<0) { //if (n == frames-1) continue; aud_ms[track_num] = vid_ms + shift_ms; } else aud_ms[track_num] += (ptrlen*8.0)/(format==0x1?((double)(rate*chan*bits)/1000.0): (format==0x2000?(double)(mp3rate):aud_bitrate)); } } else { // fallback // get next audio frame ptr = buffer_retrieve(); while (1) { printf("ptr->id (%d) ptr->size (%d)\n", ptr->id, ptr->size); if(ptr==NULL) { fprintf(stderr,"no buffer found\n"); break; } if (encode_null) { if(AVI_write_audio(avifile2, nulls, nullbytes)<0) { AVI_print_error("AVI write audio frame"); return(-1); } } else { // simple keep old frames to force exact time delay if(AVI_write_audio(avifile2, ptr->data, ptr->size)<0) { AVI_print_error("AVI write audio frame"); return(-1); } } fprintf(status_fd, "V [%05d] | padding\r", n); if (ptr->next && ptr->next->id == ptr->id) { buffer_remove(ptr); ptr = buffer_retrieve(); continue; } buffer_remove(ptr); break; } // 1 } } // ************************************* // negative shift (pad audio at start) // ************************************* } else { if (tc_format_ms_supported(format)) { /* fprintf(status_fd, "n(%d) -shift(%d) shift_ms (%.2lf) vid_ms(%.2lf) aud_ms[%d](%.2lf) v-s(%.2lf)\n", n, -shift, shift_ms, vid_ms, track_num, aud_ms[track_num], vid_ms + shift_ms); */ // shift<0 -> shift_ms<0 ! while (aud_ms[track_num] < vid_ms) { /* fprintf(stderr, " 1 (%02d) %s frame_read len=%4ld (A/V) (%8.2f/%8.2f)\n", n, format==0x55?"MP3":"AC3", bytes, aud_ms[track_num], vid_ms); */ aud_bitrate = (format==0x1||format==0x2000)?1:0; if( (bytes = AVI_read_audio_chunk(avifile1, data)) < 0) { AVI_print_error("AVI 2 audio read frame"); aud_ms[track_num] = vid_ms; break; //return(-1); } // save audio frame for later ptr = buffer_register(n); if(ptr==NULL) { fprintf(stderr,"buffer allocation failed\n"); break; } ac_memcpy(ptr->data, data, bytes); ptr->size = bytes; ptr->status = BUFFER_READY; if(n<-shift) { // mute this -- check if can mute! if (tc_probe_audio_header(data, bytes) > 0) tc_format_mute(data, bytes, format); // simple keep old frames to force exact time delay if(AVI_write_audio(avifile2, data, bytes)<0) { AVI_print_error("AVI write audio frame"); return(-1); } fprintf(status_fd, "V [%05d] | padding\r", n); } else { if (n==-shift) fprintf(status_fd, "\n"); // get next audio frame ptr = buffer_retrieve(); if(ptr==NULL) { fprintf(stderr,"no buffer found\n"); break; } if(AVI_write_audio(avifile2, ptr->data, ptr->size)<0) { AVI_print_error("AVI write audio frame"); return(-1); } bytes = ptr->size; ac_memcpy (data, ptr->data, bytes); fprintf(status_fd, "V [%05d] | A [%05d]\r", n, ptr->id); buffer_remove(ptr); } if ( !aud_bitrate && tc_get_audio_header(data, bytes, format, NULL, NULL, &aud_bitrate)<0) { if (n == frames-1) continue; aud_ms[track_num] = vid_ms; } else aud_ms[track_num] += (bytes*8.0)/(format==0x1?((double)(rate*chan*bits)/1000.0): (format==0x2000?(double)(mp3rate):aud_bitrate)); /* fprintf(stderr, " 1 (%02d) %s frame_read len=%4ld (A/V) (%8.2f/%8.2f)\n", n, format==0x55?"MP3":"AC3", bytes, aud_ms[track_num], vid_ms); */ } } else { // no supported format bytes = AVI_audio_size(avifile1, n); if(bytes > SIZE_RGB_FRAME) { fprintf(stderr, "invalid frame size\n"); return(-1); } if(AVI_read_audio(avifile1, data, bytes) < 0) { AVI_print_error("AVI audio read frame"); return(-1); } // save audio frame for later ptr = buffer_register(n); if(ptr==NULL) { fprintf(stderr,"buffer allocation failed\n"); break; } ac_memcpy(ptr->data, data, bytes); ptr->size = bytes; ptr->status = BUFFER_READY; if(n<-shift) { if (encode_null) { if(AVI_write_audio(avifile2, nulls, nullbytes)<0) { AVI_print_error("AVI write audio frame"); return(-1); } } else { // simple keep old frames to force exact time delay if(AVI_write_audio(avifile2, data, bytes)<0) { AVI_print_error("AVI write audio frame"); return(-1); } } fprintf(status_fd, "V [%05d] | padding\r", n); } else { // get next audio frame ptr = buffer_retrieve(); if(ptr==NULL) { fprintf(stderr,"no buffer found\n"); break; } if(AVI_write_audio(avifile2, ptr->data, ptr->size)<0) { AVI_print_error("AVI write audio frame"); return(-1); } fprintf(status_fd, "V [%05d] | A [%05d]\r", n, ptr->id); buffer_remove(ptr); } } } } fprintf(status_fd, "\n"); if (be_quiet) { fclose(status_fd); } AVI_close(avifile1); AVI_close(avifile2); if (avifile3) { memset(nulls, 0, sizeof(nulls)); tc_snprintf(nulls, sizeof(nulls), "rm -f %s", tmp0); system(nulls); AVI_close(avifile3); } return(0); }