int quicktime_encode_audio(quicktime_t *file, int16_t **input_i, float **input_f, long samples) { int result = 1; char *compressor = quicktime_audio_compressor(file, 0); result = ((quicktime_codec_t*)file->atracks[0].codec)->encode_audio(file, input_i, input_f, 0, samples); file->atracks[0].current_position += samples; return result; }
void decode_mov(decode_t *decode) { quicktime_t *qt_handle=NULL; unsigned char **p_raw_buffer; char *p_v_codec=NULL,*p_a_codec=NULL,*p_buffer=NULL,*p_tmp=NULL; int s_width=0,s_height=0,s_channel=0,s_bits=0,s_buff_size=0,s_audio_size=0,s_video_size=0,s_sample=0; int s_cont,s_frames; double s_fps=0; long s_audio_rate,s_qt_pos; uint16_t *p_mask1, *p_mask2; char msgbuf[TC_BUF_MIN]; qt_handle = quicktime_open((char * )decode->name, 1, 0); if (qt_handle == NULL) { QT_ABORT("can't open quicktime!"); } quicktime_set_preload(qt_handle, 10240000); s_fps = quicktime_frame_rate(qt_handle, 0); if (decode->format == TC_CODEC_PCM) { if (quicktime_audio_tracks(qt_handle) == 0) { QT_ABORT("no audio track in quicktime found!"); } s_channel = quicktime_track_channels(qt_handle, 0); s_audio_rate = quicktime_sample_rate(qt_handle, 0); s_bits = quicktime_audio_bits(qt_handle, 0); s_audio_size = quicktime_audio_length(qt_handle,0); p_a_codec = quicktime_audio_compressor(qt_handle, 0); if (decode->frame_limit[1] < s_audio_size) { s_audio_size = decode->frame_limit[1] - decode->frame_limit[0]; } else { s_audio_size -= decode->frame_limit[0]; } if (decode->verbose) { tc_log_info(__FILE__, "Audio codec=%s, rate=%ld Hz, bits=%d, channels=%d", p_a_codec, s_audio_rate, s_bits, s_channel); } if ((s_bits != 8) && (s_bits != 16)) { tc_snprintf(msgbuf, sizeof(msgbuf), "unsupported %d bit rate" " in quicktime!", s_bits); QT_ABORT(msgbuf); } if (s_channel > 2) { tc_snprintf(msgbuf, sizeof(msgbuf), "too many audio tracks " "(%d) found in quicktime!", s_channel); QT_ABORT(msgbuf); } if (strlen(p_a_codec) == 0) { QT_ABORT("unsupported codec (empty!) in quicktime!"); } if (quicktime_supported_audio(qt_handle, 0) != 0) { s_qt_pos = quicktime_audio_position(qt_handle,0); s_sample = (1.00 * s_channel * s_bits *s_audio_rate)/(s_fps * 8); s_buff_size = s_sample * sizeof(uint16_t); p_buffer = tc_malloc(s_buff_size); if (s_bits == 16) s_sample /= 2; if (s_channel == 1) { p_mask1=(uint16_t *)p_buffer; quicktime_set_audio_position(qt_handle, s_qt_pos + decode->frame_limit[0], 0); for (; s_audio_size > 0; s_audio_size -= s_sample) { if (quicktime_decode_audio(qt_handle, p_mask1, NULL, s_sample, 0) < 0) { QT_ABORT("error reading quicktime audio frame"); } QT_WRITE(decode->fd_out, p_buffer, s_buff_size); } } else { s_sample /= 2; p_mask1 = (uint16_t *)p_buffer; p_mask2 = tc_malloc(s_sample * sizeof(uint16_t)); s_qt_pos += decode->frame_limit[0]; quicktime_set_audio_position(qt_handle, s_qt_pos, 0); for (; s_audio_size > 0; s_audio_size -= s_sample) { if (quicktime_decode_audio(qt_handle, p_mask1, NULL, s_sample, 0) < 0) { QT_ABORT("error reading quicktime audio frame"); } quicktime_set_audio_position(qt_handle, s_qt_pos, 0); if (quicktime_decode_audio(qt_handle,p_mask2, NULL,s_sample, 1) < 0) { QT_ABORT("error reading quicktime audio frame"); } for (s_cont = s_sample - 1; s_cont >= 0; s_cont--) p_mask1[s_cont<<1] = p_mask1[s_cont]; for (s_cont = 0; s_cont < s_sample; s_cont++) p_mask1[1+(s_cont<<1)] = p_mask2[s_cont]; s_qt_pos += s_sample; QT_WRITE(decode->fd_out, p_buffer, s_buff_size >> 1); } free(p_mask2); } free(p_buffer); } #if !defined(LIBQUICKTIME_000904) else if ((strcasecmp(p_a_codec, QUICKTIME_RAW) == 0)
void probe_mov(info_t *ipipe) { quicktime_t *qt_file=NULL; char *codec=NULL; int j, tracks; /* open movie for video probe */ if(qt_file==NULL) if(NULL == (qt_file = quicktime_open((char *)ipipe->name,1,0))){ tc_log_error(__FILE__,"can't open quicktime!"); ipipe->error=1; return; } // extract audio parameters tracks=quicktime_audio_tracks(qt_file); if(tracks>TC_MAX_AUD_TRACKS) { tc_log_warn(__FILE__, "only %d of %d audio tracks scanned", TC_MAX_AUD_TRACKS, tracks); tracks=TC_MAX_AUD_TRACKS; } for(j=0; j<tracks; ++j) { ipipe->probe_info->track[j].samplerate = quicktime_sample_rate(qt_file, j); ipipe->probe_info->track[j].chan = quicktime_track_channels(qt_file, j); ipipe->probe_info->track[j].bits = quicktime_audio_bits(qt_file, j); codec = quicktime_audio_compressor(qt_file, j); if(strcasecmp(codec,QUICKTIME_RAW)==0 || strcasecmp(codec,QUICKTIME_TWOS)==0) ipipe->probe_info->track[j].format = CODEC_PCM; else if(strcasecmp(codec,QUICKTIME_IMA4)==0) ipipe->probe_info->track[j].format = CODEC_IMA4; else /* XXX not right but works */ ipipe->probe_info->track[j].format = CODEC_PCM; if (! binary_dump) tc_log_info(__FILE__, "audio codec=%s", codec); if(ipipe->probe_info->track[j].chan>0) ++ipipe->probe_info->num_tracks; } // read all video parameter from input file ipipe->probe_info->width = quicktime_video_width(qt_file, 0); ipipe->probe_info->height = quicktime_video_height(qt_file, 0); ipipe->probe_info->fps = quicktime_frame_rate(qt_file, 0); ipipe->probe_info->frames = quicktime_video_length(qt_file, 0); codec = quicktime_video_compressor(qt_file, 0); //check for supported codecs if(codec!=NULL) { if(strlen(codec)==0) { ipipe->probe_info->codec=TC_CODEC_RGB; } else { if(strcasecmp(codec,QUICKTIME_DV)==0) ipipe->probe_info->codec=TC_CODEC_DV; if(strcasecmp(codec,"dvsd")==0) ipipe->probe_info->codec=TC_CODEC_DV; if(strcasecmp(codec,"DIV3")==0) ipipe->probe_info->codec=TC_CODEC_DIVX3; if(strcasecmp(codec,"DIVX")==0) ipipe->probe_info->codec=TC_CODEC_DIVX4; if(strcasecmp(codec,"DX50")==0) ipipe->probe_info->codec=TC_CODEC_DIVX5; if(strcasecmp(codec,"MJPG")==0 || strcasecmp(codec,"JPEG")==0) ipipe->probe_info->codec=TC_CODEC_MJPEG; if(strcasecmp(codec,"YUV2")==0) ipipe->probe_info->codec=TC_CODEC_YUV2; if(strcasecmp(codec,"SVQ1")==0) ipipe->probe_info->codec=TC_CODEC_SVQ1; if(strcasecmp(codec,"SVQ3")==0) ipipe->probe_info->codec=TC_CODEC_SVQ3; } } else ipipe->probe_info->codec=TC_CODEC_UNKNOWN; if (! binary_dump) tc_log_info(__FILE__, "video codec=%s", codec); ipipe->probe_info->magic=TC_MAGIC_MOV; tc_frc_code_from_value(&(ipipe->probe_info->frc), ipipe->probe_info->fps); return; }