/*------------------------------------------------------------------------------ * Open an encoding session *----------------------------------------------------------------------------*/ bool LameLibEncoder :: open ( void ) throw ( Exception ) { if ( isOpen() ) { close(); } lameGlobalFlags = lame_init(); // ugly lame returns -1 in a pointer on allocation errors if ( !lameGlobalFlags || ((int)lameGlobalFlags) == -1 ) { throw Exception( __FILE__, __LINE__, "lame lib init error", (int) lameGlobalFlags); } if ( 0 > lame_set_num_channels( lameGlobalFlags, getInChannel()) ) { throw Exception( __FILE__, __LINE__, "lame lib setting channels error", getInChannel() ); } if ( 0 > lame_set_mode( lameGlobalFlags, getOutChannel() == 1 ? MONO : JOINT_STEREO) ) { throw Exception( __FILE__, __LINE__, "lame lib setting mode error", JOINT_STEREO ); } reportEvent( 5, "set lame mode", lame_get_mode( lameGlobalFlags)); reportEvent( 5, "set lame channels", lame_get_num_channels( lameGlobalFlags)); if ( 0 > lame_set_in_samplerate( lameGlobalFlags, getInSampleRate()) ) { throw Exception( __FILE__, __LINE__, "lame lib setting input sample rate error", getInSampleRate() ); } reportEvent( 5, "set lame in sample rate", lame_get_in_samplerate( lameGlobalFlags)); if ( 0 > lame_set_out_samplerate( lameGlobalFlags, getOutSampleRate()) ) { throw Exception( __FILE__, __LINE__, "lame lib setting output sample rate error", getOutSampleRate() ); } reportEvent( 5, "set lame out sample rate", lame_get_out_samplerate( lameGlobalFlags)); switch ( getOutBitrateMode() ) { case cbr: { if ( 0 > lame_set_brate( lameGlobalFlags, getOutBitrate()) ) { throw Exception( __FILE__, __LINE__, "lame lib setting output bit rate error", getOutBitrate() ); } reportEvent( 5, "set lame bit rate", lame_get_brate( lameGlobalFlags)); double d = (1.0 - getOutQuality()) * 10.0; int q = int (d + 0.499999); if ( 0 > lame_set_quality( lameGlobalFlags, q) ) { throw Exception( __FILE__, __LINE__, "lame lib setting quality error", q); } reportEvent( 5, "set lame quality", lame_get_quality( lameGlobalFlags)); } break; case abr: if ( 0 > lame_set_VBR( lameGlobalFlags,vbr_abr)) { throw Exception( __FILE__, __LINE__, "lame lib setting abr error", vbr_abr); } reportEvent( 5, "set lame abr bitrate", lame_get_VBR( lameGlobalFlags)); if ( 0 > lame_set_VBR_mean_bitrate_kbps( lameGlobalFlags, getOutBitrate())) { throw Exception( __FILE__, __LINE__, "lame lib setting abr mean bitrate error", getOutBitrate()); } reportEvent( 5, "set lame abr mean bitrate", lame_get_VBR_mean_bitrate_kbps( lameGlobalFlags)); break; case vbr: { if ( 0 > lame_set_VBR( lameGlobalFlags, vbr_mtrh)) { throw Exception( __FILE__, __LINE__, "lame lib setting vbr error", vbr_mtrh ); } reportEvent( 5, "set lame vbr bitrate", lame_get_VBR( lameGlobalFlags)); double d = (1.0 - getOutQuality()) * 10.0; int q = int (d + 0.499999); if ( 0 > lame_set_VBR_q( lameGlobalFlags, q) ) { throw Exception( __FILE__, __LINE__, "lame lib setting vbr quality error", q); } reportEvent( 5, "set lame vbr quality", lame_get_VBR_q( lameGlobalFlags)); } break; } if ( 0 > lame_set_lowpassfreq( lameGlobalFlags, lowpass) ) { throw Exception( __FILE__, __LINE__, "lame lib setting lowpass frequency error", lowpass ); } reportEvent( 5, "set lame lowpass frequency", lame_get_lowpassfreq( lameGlobalFlags)); if ( 0 > lame_set_highpassfreq( lameGlobalFlags, highpass) ) { throw Exception( __FILE__, __LINE__, "lame lib setting highpass frequency error", lowpass ); } reportEvent( 5, "set lame highpass frequency", lame_get_highpassfreq( lameGlobalFlags)); // not configurable lame settings if ( 0 > lame_set_exp_nspsytune( lameGlobalFlags, 1) ) { throw Exception( __FILE__, __LINE__, "lame lib setting psycho acoustic model error"); } reportEvent( 5, "set lame psycho acoustic model", lame_get_exp_nspsytune( lameGlobalFlags)); if ( 0 > lame_set_error_protection( lameGlobalFlags, 1) ) { throw Exception( __FILE__, __LINE__, "lame lib setting error protection error", 1 ); } reportEvent( 5, "set lame error protection", lame_get_error_protection( lameGlobalFlags)); // let lame init its own params based on our settings if ( 0 > lame_init_params( lameGlobalFlags) ) { throw Exception( __FILE__, __LINE__, "lame lib initializing params error" ); } lame_print_config( lameGlobalFlags); // open the underlying sink if ( !sink->open() ) { throw Exception( __FILE__, __LINE__, "lame lib opening underlying sink error"); } return true; }
static int lame_decoder(lame_t gfp, FILE * outf, char *inPath, char *outPath) { short int Buffer[2][1152]; int i, iread; double wavsize; int tmp_num_channels = lame_get_num_channels(gfp); int skip_start = samples_to_skip_at_start(); int skip_end = samples_to_skip_at_end(); DecoderProgress dp = 0; if (!(tmp_num_channels >= 1 && tmp_num_channels <= 2)) { error_printf("Internal error. Aborting."); exit(-1); } if (global_ui_config.silent < 9) { console_printf("\rinput: %s%s(%g kHz, %i channel%s, ", strcmp(inPath, "-") ? inPath : "<stdin>", strlen(inPath) > 26 ? "\n\t" : " ", lame_get_in_samplerate(gfp) / 1.e3, tmp_num_channels, tmp_num_channels != 1 ? "s" : ""); printInputFormat(gfp); console_printf(")\noutput: %s%s(16 bit, Microsoft WAVE)\n", strcmp(outPath, "-") ? outPath : "<stdout>", strlen(outPath) > 45 ? "\n\t" : " "); if (skip_start > 0) console_printf("skipping initial %i samples (encoder+decoder delay)\n", skip_start); if (skip_end > 0) console_printf("skipping final %i samples (encoder padding-decoder delay)\n", skip_end); switch (global_reader.input_format) { case sf_mp3: case sf_mp2: case sf_mp1: dp = decoder_progress_init(lame_get_num_samples(gfp), global_decoder.mp3input_data.framesize); break; case sf_raw: case sf_wave: case sf_aiff: default: dp = decoder_progress_init(lame_get_num_samples(gfp), lame_get_in_samplerate(gfp) < 32000 ? 576 : 1152); break; } } if (0 == global_decoder.disable_wav_header) WriteWaveHeader(outf, 0x7FFFFFFF, lame_get_in_samplerate(gfp), tmp_num_channels, 16); /* unknown size, so write maximum 32 bit signed value */ wavsize = 0; do { iread = get_audio16(gfp, Buffer); /* read in 'iread' samples */ if (iread >= 0) { wavsize += iread; if (dp != 0) { decoder_progress(dp, &global_decoder.mp3input_data, iread); } put_audio16(outf, Buffer, iread, tmp_num_channels); } } while (iread > 0); i = (16 / 8) * tmp_num_channels; assert(i > 0); if (wavsize <= 0) { if (global_ui_config.silent < 10) error_printf("WAVE file contains 0 PCM samples\n"); wavsize = 0; } else if (wavsize > 0xFFFFFFD0 / i) { if (global_ui_config.silent < 10) error_printf("Very huge WAVE file, can't set filesize accordingly\n"); wavsize = 0xFFFFFFD0; } else { wavsize *= i; } /* if outf is seekable, rewind and adjust length */ if (!global_decoder.disable_wav_header && strcmp("-", outPath) && !fseek(outf, 0l, SEEK_SET)) WriteWaveHeader(outf, (int) wavsize, lame_get_in_samplerate(gfp), tmp_num_channels, 16); fclose(outf); close_infile(); if (dp != 0) decoder_progress_finish(dp); return 0; }
int lame_decoder(lame_global_flags * gfp, FILE * outf, int skip, char *inPath, char *outPath) { short int Buffer[2][1152]; int iread; double wavsize; int i; void (*WriteFunction) (FILE * fp, char *p, int n); int tmp_num_channels = lame_get_num_channels( gfp ); if (silent < 10) fprintf(stderr, "\rinput: %s%s(%g kHz, %i channel%s, ", strcmp(inPath, "-") ? inPath : "<stdin>", strlen(inPath) > 26 ? "\n\t" : " ", lame_get_in_samplerate( gfp ) / 1.e3, tmp_num_channels, tmp_num_channels != 1 ? "s" : ""); switch (input_format) { case sf_mp3: if (skip==0) { if (enc_delay>-1) skip = enc_delay + 528+1; else skip=lame_get_encoder_delay(gfp)+528+1; }else{ /* user specified a value of skip. just add for decoder */ skip += 528+1; /* mp3 decoder has a 528 sample delay, plus user supplied "skip" */ } if (silent < 10) fprintf(stderr, "MPEG-%u%s Layer %s", 2 - lame_get_version(gfp), lame_get_out_samplerate( gfp ) < 16000 ? ".5" : "", "III"); break; case sf_mp2: skip += 240 + 1; if (silent < 10) fprintf(stderr, "MPEG-%u%s Layer %s", 2 - lame_get_version(gfp), lame_get_out_samplerate( gfp ) < 16000 ? ".5" : "", "II"); break; case sf_mp1: skip += 240 + 1; if (silent < 10) fprintf(stderr, "MPEG-%u%s Layer %s", 2 - lame_get_version(gfp), lame_get_out_samplerate( gfp ) < 16000 ? ".5" : "", "I"); break; case sf_raw: if (silent < 10) fprintf(stderr, "raw PCM data"); mp3input_data.nsamp = lame_get_num_samples( gfp ); mp3input_data.framesize = 1152; skip = 0; /* other formats have no delay *//* is += 0 not better ??? */ break; case sf_wave: if (silent < 10) fprintf(stderr, "Microsoft WAVE"); mp3input_data.nsamp = lame_get_num_samples( gfp ); mp3input_data.framesize = 1152; skip = 0; /* other formats have no delay *//* is += 0 not better ??? */ break; case sf_aiff: if (silent < 10) fprintf(stderr, "SGI/Apple AIFF"); mp3input_data.nsamp = lame_get_num_samples( gfp ); mp3input_data.framesize = 1152; skip = 0; /* other formats have no delay *//* is += 0 not better ??? */ break; default: if (silent < 10) fprintf(stderr, "unknown"); mp3input_data.nsamp = lame_get_num_samples( gfp ); mp3input_data.framesize = 1152; skip = 0; /* other formats have no delay *//* is += 0 not better ??? */ assert(0); break; } if (silent < 10) { fprintf(stderr, ")\noutput: %s%s(16 bit, Microsoft WAVE)\n", strcmp(outPath, "-") ? outPath : "<stdout>", strlen(outPath) > 45 ? "\n\t" : " "); if (skip > 0) fprintf(stderr, "skipping initial %i samples (encoder+decoder delay)\n", skip); } if ( 0 == disable_wav_header ) WriteWaveHeader(outf, 0x7FFFFFFF, lame_get_in_samplerate( gfp ), tmp_num_channels, 16); /* unknown size, so write maximum 32 bit signed value */ wavsize = -skip; WriteFunction = swapbytes ? WriteBytesSwapped : WriteBytes; mp3input_data.totalframes = mp3input_data.nsamp / mp3input_data.framesize; assert(tmp_num_channels >= 1 && tmp_num_channels <= 2); do { iread = get_audio16(gfp, Buffer); /* read in 'iread' samples */ mp3input_data.framenum += iread / mp3input_data.framesize; wavsize += iread; if (silent <= 0) decoder_progress(gfp, &mp3input_data); skip -= (i = skip < iread ? skip : iread); /* 'i' samples are to skip in this frame */ for (; i < iread; i++) { if ( disable_wav_header ) { WriteFunction(outf, (char *) &Buffer[0][i], sizeof(short)); if (tmp_num_channels == 2) WriteFunction(outf, (char *) &Buffer[1][i], sizeof(short)); } else { Write16BitsLowHigh(outf, Buffer[0][i]); if (tmp_num_channels == 2) Write16BitsLowHigh(outf, Buffer[1][i]); } } } while (iread); i = (16 / 8) * tmp_num_channels; assert(i > 0); if (wavsize <= 0) { if (silent < 10) fprintf(stderr, "WAVE file contains 0 PCM samples\n"); wavsize = 0; } else if (wavsize > 0xFFFFFFD0 / i) { if (silent < 10) fprintf(stderr, "Very huge WAVE file, can't set filesize accordingly\n"); wavsize = 0xFFFFFFD0; } else { wavsize *= i; } if ( 0 == disable_wav_header ) if (!fseek(outf, 0l, SEEK_SET)) /* if outf is seekable, rewind and adjust length */ WriteWaveHeader(outf, (int)wavsize, lame_get_in_samplerate( gfp ), tmp_num_channels, 16); fclose(outf); if (silent <= 0) decoder_progress_finish(gfp); return 0; }
/*------------------------------------------------------------------------------ * Open an encoding session *----------------------------------------------------------------------------*/ bool LameLibEncoder :: open ( void ) throw ( Exception ) { if ( isOpen() ) { close(); } lameGlobalFlags = lame_init(); // ugly lame returns -1 in a pointer on allocation errors if ( !lameGlobalFlags || ((int)lameGlobalFlags) == -1 ) { throw Exception( __FILE__, __LINE__, "lame lib init error", (int) lameGlobalFlags); } if ( 0 > lame_set_num_channels( lameGlobalFlags, getInChannel()) ) { throw Exception( __FILE__, __LINE__, "lame lib setting channels error", getInChannel() ); } if ( 0 > lame_set_mode( lameGlobalFlags, getInChannel() == 1 ? MONO : JOINT_STEREO) ) { throw Exception( __FILE__, __LINE__, "lame lib setting mode error", JOINT_STEREO ); } reportEvent( 5, "set lame mode", lame_get_mode( lameGlobalFlags)); reportEvent( 5, "set lame channels", lame_get_num_channels( lameGlobalFlags)); if ( 0 > lame_set_in_samplerate( lameGlobalFlags, getInSampleRate()) ) { throw Exception( __FILE__, __LINE__, "lame lib setting input sample rate error", getInSampleRate() ); } reportEvent( 5, "set lame in sample rate", lame_get_in_samplerate( lameGlobalFlags)); if ( 0 > lame_set_out_samplerate( lameGlobalFlags, getOutSampleRate()) ) { throw Exception( __FILE__, __LINE__, "lame lib setting output sample rate error", getOutSampleRate() ); } reportEvent( 5, "set lame out sample rate", lame_get_out_samplerate( lameGlobalFlags)); if ( 0 > lame_set_brate( lameGlobalFlags, getOutBitrate()) ) { throw Exception( __FILE__, __LINE__, "lame lib setting output bit rate error", getOutBitrate() ); } reportEvent( 5, "set lame bit rate", lame_get_brate( lameGlobalFlags)); if ( lowpass ) { if ( 0 > lame_set_lowpassfreq( lameGlobalFlags, lowpass) ) { throw Exception( __FILE__, __LINE__, "lame lib setting lowpass frequency error", lowpass ); } reportEvent( 5, "set lame lowpass frequency", lame_get_lowpassfreq( lameGlobalFlags)); } if ( highpass ) { if ( 0 > lame_set_highpassfreq( lameGlobalFlags, highpass) ) { throw Exception( __FILE__, __LINE__, "lame lib setting highpass frequency error", lowpass ); } reportEvent( 5, "set lame highpass frequency", lame_get_highpassfreq( lameGlobalFlags)); } // not configurable lame settings if ( 0 > lame_set_quality( lameGlobalFlags, 2) ) { throw Exception( __FILE__, __LINE__, "lame lib setting quality error", 2 ); } reportEvent( 5, "set lame quality", lame_get_quality( lameGlobalFlags)); if ( 0 > lame_set_exp_nspsytune( lameGlobalFlags, 1) ) { throw Exception( __FILE__, __LINE__, "lame lib setting psycho acoustic model error"); } reportEvent( 5, "set lame psycho acoustic model", lame_get_exp_nspsytune( lameGlobalFlags)); if ( 0 > lame_set_error_protection( lameGlobalFlags, 1) ) { throw Exception( __FILE__, __LINE__, "lame lib setting error protection error", 1 ); } reportEvent( 5, "set lame error protection", lame_get_error_protection( lameGlobalFlags)); // let lame init its own params based on our settings if ( 0 > lame_init_params( lameGlobalFlags) ) { throw Exception( __FILE__, __LINE__, "lame lib initializing params error" ); } lame_print_config( lameGlobalFlags); // open the underlying sink if ( !sink->open() ) { throw Exception( __FILE__, __LINE__, "lame lib opening underlying sink error"); } return true; }
bool ACMStream::open(const AEncodeProperties & the_Properties) { bool bResult = false; // Init the MP3 Stream // Init the global flags structure gfp = lame_init(); // Set input sample frequency lame_set_in_samplerate( gfp, my_SamplesPerSec ); // Set output sample frequency lame_set_out_samplerate( gfp, my_OutBytesPerSec ); lame_set_num_channels( gfp, my_Channels ); if (my_Channels == 1) lame_set_mode( gfp, MONO ); else lame_set_mode( gfp, (MPEG_mode_e)the_Properties.GetChannelModeValue()) ; /// \todo Get the mode from the default configuration // lame_set_VBR( gfp, vbr_off ); /// \note VBR not supported for the moment lame_set_VBR( gfp, my_VBRMode ); /// \note VBR not supported for the moment if (my_VBRMode == vbr_abr) { lame_set_VBR_q( gfp, 1 ); lame_set_VBR_mean_bitrate_kbps( gfp, (my_AvgBytesPerSec * 8 + 500) / 1000 ); if (24000 > lame_get_in_samplerate( gfp )) { // For MPEG-II lame_set_VBR_min_bitrate_kbps( gfp, 8); lame_set_VBR_max_bitrate_kbps( gfp, 160); } else { // For MPEG-I lame_set_VBR_min_bitrate_kbps( gfp, 32); lame_set_VBR_max_bitrate_kbps( gfp, 320); } } // Set bitrate lame_set_brate( gfp, my_AvgBytesPerSec * 8 / 1000 ); /// \todo Get the mode from the default configuration // Set copyright flag? lame_set_copyright( gfp, the_Properties.GetCopyrightMode()?1:0 ); // Do we have to tag it as non original lame_set_original( gfp, the_Properties.GetOriginalMode()?1:0 ); // Add CRC? lame_set_error_protection( gfp, the_Properties.GetCRCMode()?1:0 ); // Set private bit? lame_set_extension( gfp, the_Properties.GetPrivateMode()?1:0 ); // INFO tag support not possible in ACM - it requires rewinding // output stream to the beginning after encoding is finished. lame_set_bWriteVbrTag( gfp, 0 ); if (0 == lame_init_params( gfp )) { //LAME encoding call will accept any number of samples. if ( 0 == lame_get_version( gfp ) ) { // For MPEG-II, only 576 samples per frame per channel my_SamplesPerBlock = 576 * lame_get_num_channels( gfp ); } else { // For MPEG-I, 1152 samples per frame per channel my_SamplesPerBlock = 1152 * lame_get_num_channels( gfp ); } } my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "version =%d",lame_get_version( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Layer =3"); switch ( lame_get_mode( gfp ) ) { case STEREO: my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "mode =Stereo" ); break; case JOINT_STEREO: my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "mode =Joint-Stereo" ); break; case DUAL_CHANNEL: my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "mode =Forced Stereo" ); break; case MONO: my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "mode =Mono" ); break; case NOT_SET: /* FALLTROUGH */ default: my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "mode =Error (unknown)" ); break; } my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "sampling frequency =%.1f kHz", lame_get_in_samplerate( gfp ) /1000.0 ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "bitrate =%d kbps", lame_get_brate( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Vbr Min bitrate =%d kbps", lame_get_VBR_min_bitrate_kbps( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Vbr Max bitrate =%d kbps", lame_get_VBR_max_bitrate_kbps( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Quality Setting =%d", lame_get_quality( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Low pass frequency =%d", lame_get_lowpassfreq( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Low pass width =%d", lame_get_lowpasswidth( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "High pass frequency =%d", lame_get_highpassfreq( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "High pass width =%d", lame_get_highpasswidth( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "No Short Blocks =%d", lame_get_no_short_blocks( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "de-emphasis =%d", lame_get_emphasis( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "private flag =%d", lame_get_extension( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "copyright flag =%d", lame_get_copyright( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "original flag =%d", lame_get_original( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "CRC =%s", lame_get_error_protection( gfp ) ? "on" : "off" ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Fast mode =%s", ( lame_get_quality( gfp ) )? "enabled" : "disabled" ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Force mid/side stereo =%s", ( lame_get_force_ms( gfp ) )?"enabled":"disabled" ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Padding Type =%d", lame_get_padding_type( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Disable Resorvoir =%d", lame_get_disable_reservoir( gfp ) ); my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "VBR =%s, VBR_q =%d, VBR method =", ( lame_get_VBR( gfp ) !=vbr_off ) ? "enabled": "disabled", lame_get_VBR_q( gfp ) ); switch ( lame_get_VBR( gfp ) ) { case vbr_off: my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "vbr_off" ); break; case vbr_mt : my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "vbr_mt" ); break; case vbr_rh : my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "vbr_rh" ); break; case vbr_mtrh: my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "vbr_mtrh" ); break; case vbr_abr: my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "vbr_abr (average bitrate %d kbps)", lame_get_VBR_mean_bitrate_kbps( gfp ) ); break; default: my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "error, unknown VBR setting"); break; } my_debug->OutPut(DEBUG_LEVEL_FUNC_DEBUG, "Write VBR Header =%s\n", ( lame_get_bWriteVbrTag( gfp ) ) ?"Yes":"No"); #ifdef FROM_DLL beConfig.format.LHV1.dwReSampleRate = my_OutBytesPerSec; // force the user resampling #endif // FROM_DLL bResult = true; return bResult; }
int lame_encoder_impl_internal::get_input_sample_rate() const { return lame_get_in_samplerate(m_Lame.get()); }
encoder_funcs_t* init_lame( output_format_t* format, int channels, int bitrate ) { encoder_funcs_t* funcs = NULL; lame_opts = lame_init(); if (lame_opts==NULL) { rotter_error("lame error: failed to initialise."); return NULL; } if ( 0 > lame_set_num_channels( lame_opts, channels ) ) { rotter_error("lame error: failed to set number of channels."); return NULL; } if ( 0 > lame_set_in_samplerate( lame_opts, jack_get_sample_rate( client ) )) { rotter_error("lame error: failed to set input samplerate."); return NULL; } if ( 0 > lame_set_out_samplerate( lame_opts, jack_get_sample_rate( client ) )) { rotter_error("lame error: failed to set output samplerate."); return NULL; } if ( 0 > lame_set_brate( lame_opts, bitrate) ) { rotter_error("lame error: failed to set bitrate."); return NULL; } if ( 0 > lame_init_params( lame_opts ) ) { rotter_error("lame error: failed to initialize parameters."); return NULL; } rotter_info( "Encoding using liblame version %s.", get_lame_version() ); rotter_debug( " Input: %d Hz, %d channels", lame_get_in_samplerate(lame_opts), lame_get_num_channels(lame_opts)); rotter_debug( " Output: %s Layer 3, %d kbps, %s", lame_get_version_name(lame_opts), lame_get_brate(lame_opts), lame_get_mode_name(lame_opts)); // Allocate memory for encoded audio mpeg_buffer = malloc( 1.25*SAMPLES_PER_FRAME + 7200 ); if ( mpeg_buffer==NULL ) { rotter_error( "Failed to allocate memery for encoded audio." ); return NULL; } // Allocate memory for callback functions funcs = calloc( 1, sizeof(encoder_funcs_t) ); if ( funcs==NULL ) { rotter_error( "Failed to allocate memery for encoder callback functions structure." ); return NULL; } funcs->file_suffix = "mp3"; funcs->open = open_mpegaudio_file; funcs->close = close_mpegaudio_file; funcs->write = write_lame; funcs->deinit = deinit_lame; return funcs; }