readability improvements/code deduplication in renderer.c (40f1b098) · Commits · IVAS Codec Public Collaboration / IVAS Codec

apps/renderer.c

+133 −53

Original line number	Diff line number	Diff line
		@@ -742,8 +742,11 @@ int main(

		CmdlnArgs args = parseCmdlnArgs( argc, argv );

		if ( args.nonDiegeticPan && !( ( args.inConfig.numAudioObjects == 0 && args.inConfig.multiChannelBuses[0].audioConfig == IVAS_AUDIO_CONFIG_MONO ) \|\|
		( args.inConfig.numAudioObjects > 0 && args.inConfig.audioObjects[0].audioConfig == IVAS_AUDIO_CONFIG_OBA && args.inConfig.numAudioObjects == 1 ) ) )
		if ( args.nonDiegeticPan &&
		!( ( args.inConfig.numAudioObjects == 0 &&
		args.inConfig.multiChannelBuses[0].audioConfig == IVAS_AUDIO_CONFIG_MONO ) \|\|
		( args.inConfig.numAudioObjects > 0 &&
		args.inConfig.audioObjects[0].audioConfig == IVAS_AUDIO_CONFIG_OBA && args.inConfig.numAudioObjects == 1 ) ) )
		{
		fprintf( stderr, "\ninvalid configuration - non-diegetic panning requires mono or ISM1 input\n" );
		goto cleanup;
		@@ -820,12 +823,20 @@ int main(
		if ( args.sceneDescriptionInput )
		{
		/* With scene description input, inputFilePath is the path to the scene description file. Parse it. */
		parseSceneDescriptionFile( args.inputFilePath, audioFilePath, &args.inConfig, positionProvider, masaReaders, lfeRoutingConfigs );
		parseSceneDescriptionFile( args.inputFilePath,
		audioFilePath,
		&args.inConfig,
		positionProvider,
		masaReaders,
		lfeRoutingConfigs );
		}
		else
		{
		/* With single-format input, all information is given on command line. */
		setupWithSingleFormatInput( args, audioFilePath, positionProvider, masaReaders );
		setupWithSingleFormatInput( args,
		audioFilePath,
		positionProvider,
		masaReaders );
		}

		/* Check that there is allowed configuration for MASA format output */
		@@ -891,7 +902,15 @@ int main(

		const int16_t frameSize_smpls = (int16_t) ( ( args.render_framesize ) * args.sampleRate * 5 / ( 1000 ) );

		if ( ( error = IVAS_REND_Open( &hIvasRend, args.sampleRate, args.outConfig.audioConfig, !isEmptyString( args.customHrtfFilePath ), args.nonDiegeticPan, args.nonDiegeticPanGain, args.Opt_Headrotation, args.Opt_ExternalOrientation, (int16_t) args.render_framesize ) ) != IVAS_ERR_OK )
		if ( ( error = IVAS_REND_Open( &hIvasRend,
		args.sampleRate,
		args.outConfig.audioConfig,
		!isEmptyString( args.customHrtfFilePath ),
		args.nonDiegeticPan,
		args.nonDiegeticPanGain,
		args.Opt_Headrotation,
		args.Opt_ExternalOrientation,
		(int16_t) args.render_framesize ) ) != IVAS_ERR_OK )
		{
		fprintf( stderr, "\nError opening renderer handle: %s\n", ivas_error_to_string( error ) );
		goto cleanup;
		@@ -1064,7 +1083,10 @@ int main(
		{

		/* sanity check */
		if ( ( args.outConfig.audioConfig != IVAS_AUDIO_CONFIG_BINAURAL ) && ( args.outConfig.audioConfig != IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR ) && ( args.outConfig.audioConfig != IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB ) && !is_split_pre_rend_mode( &args ) )
		if ( ( args.outConfig.audioConfig != IVAS_AUDIO_CONFIG_BINAURAL ) &&
		( args.outConfig.audioConfig != IVAS_AUDIO_CONFIG_BINAURAL_ROOM_IR ) &&
		( args.outConfig.audioConfig != IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB ) &&
		!is_split_pre_rend_mode( &args ) )
		{
		fprintf( stderr, "\nExternal Renderer Config is supported only when binaural output configurations is used as output OR when Split pre-rendering mode is enabled. Exiting. \n" );
		goto cleanup;
		@@ -1210,7 +1232,9 @@ int main(
		goto cleanup;
		}

		if ( ( error = IVAS_REND_SetInputGain( hIvasRend, mcIds[i], args.inputGainGlobal * dBToLin( args.inConfig.multiChannelBuses[i].gain_dB ) ) ) != IVAS_ERR_OK )
		if ( ( error = IVAS_REND_SetInputGain( hIvasRend,
		mcIds[i],
		args.inputGainGlobal * dBToLin( args.inConfig.multiChannelBuses[i].gain_dB ) ) ) != IVAS_ERR_OK )
		{
		fprintf( stderr, "\nIVAS_REND_SetInputGain failed: %s\n", ivas_error_to_string( error ) );
		goto cleanup;
		@@ -1243,7 +1267,11 @@ int main(
		/* set panning gains for input LFE */
		else if ( args.lfePanningEnabled )
		{
		if ( ( error = IVAS_REND_SetInputLfePos( hIvasRend, mcIds[i], args.lfeConfigGain, args.lfeConfigAzimuth, args.lfeConfigElevation ) ) != IVAS_ERR_OK )
		if ( ( error = IVAS_REND_SetInputLfePos( hIvasRend,
		mcIds[i],
		args.lfeConfigGain,
		args.lfeConfigAzimuth,
		args.lfeConfigElevation ) ) != IVAS_ERR_OK )
		{
		fprintf( stderr, "\nIVAS_REND_SetInputLfePos failed: %s\n", ivas_error_to_string( error ) );
		goto cleanup;
		@@ -1272,7 +1300,11 @@ int main(
		/* set position based gains */
		else
		{
		if ( ( error = IVAS_REND_SetInputLfePos( hIvasRend, mcIds[i], lfeRoutingConfigs[i]->lfe_gain_dB, lfeRoutingConfigs[i]->lfe_azi, lfeRoutingConfigs[i]->lfe_ele ) ) != IVAS_ERR_OK )
		if ( ( error = IVAS_REND_SetInputLfePos( hIvasRend,
		mcIds[i],
		lfeRoutingConfigs[i]->lfe_gain_dB,
		lfeRoutingConfigs[i]->lfe_azi,
		lfeRoutingConfigs[i]->lfe_ele ) ) != IVAS_ERR_OK )
		{
		fprintf( stderr, "\nIVAS_REND_SetInputLfePos failed: %s\n", ivas_error_to_string( error ) );
		goto cleanup;
		@@ -1290,7 +1322,9 @@ int main(
		goto cleanup;
		}

		if ( ( error = IVAS_REND_SetInputGain( hIvasRend, ismIds[i], args.inputGainGlobal * dBToLin( args.inConfig.audioObjects[i].gain_dB ) ) ) != IVAS_ERR_OK )
		if ( ( error = IVAS_REND_SetInputGain( hIvasRend,
		ismIds[i],
		args.inputGainGlobal * dBToLin( args.inConfig.audioObjects[i].gain_dB ) ) ) != IVAS_ERR_OK )
		{
		fprintf( stderr, "\nIVAS_REND_SetInputGain failed: %s\n", ivas_error_to_string( error ) );
		goto cleanup;
		@@ -1311,7 +1345,9 @@ int main(
		goto cleanup;
		}

		if ( ( error = IVAS_REND_SetInputGain( hIvasRend, sbaIds[i], args.inputGainGlobal * dBToLin( args.inConfig.ambisonicsBuses[i].gain_dB ) ) ) != IVAS_ERR_OK )
		if ( ( error = IVAS_REND_SetInputGain( hIvasRend,
		sbaIds[i],
		args.inputGainGlobal * dBToLin( args.inConfig.ambisonicsBuses[i].gain_dB ) ) ) != IVAS_ERR_OK )
		{
		fprintf( stderr, "\nIVAS_REND_SetInputGain failed: %s\n", ivas_error_to_string( error ) );
		goto cleanup;
		@@ -1326,7 +1362,9 @@ int main(
		goto cleanup;
		}

		if ( ( error = IVAS_REND_SetInputGain( hIvasRend, masaIds[i], args.inputGainGlobal * dBToLin( args.inConfig.masaBuses[i].gain_dB ) ) ) != IVAS_ERR_OK )
		if ( ( error = IVAS_REND_SetInputGain( hIvasRend,
		masaIds[i],
		args.inputGainGlobal * dBToLin( args.inConfig.masaBuses[i].gain_dB ) ) ) != IVAS_ERR_OK )
		{
		fprintf( stderr, "\nIVAS_REND_SetInputGain failed: %s\n", ivas_error_to_string( error ) );
		goto cleanup;
		@@ -1358,39 +1396,30 @@ int main(

		if ( cldfb_in_flag )
		{
		if ( ( error = IVAS_REND_openCldfb( cldfbAna, cldfbSyn, totalNumInChannels, numOutChannels, args.sampleRate ) ) != IVAS_ERR_OK )
		if ( ( error = IVAS_REND_openCldfb( cldfbAna,
		cldfbSyn,
		totalNumInChannels,
		numOutChannels,
		args.sampleRate ) ) != IVAS_ERR_OK )
		{
		fprintf( stderr, "\nError in IVAS_REND_openCldfb(): %s\n", ivas_error_to_string( error ) );
		goto cleanup;
		}
		}

		if ( args.outConfig.audioConfig == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_CODED )
		{
		if ( ( error = IVAS_REND_GetSplitRendBitstreamHeader( hIvasRend, &bitsBuffer.config.codec, &bitsBuffer.config.poseCorrection, &bitsBuffer.config.codec_frame_size_ms, &bitsBuffer.config.isar_frame_size_ms ) ) != IVAS_ERR_OK )
		{
		fprintf( stderr, "\nError in IVAS_REND_GetSplitRendBitstreamHeader()!\n" );
		goto cleanup;
		}

		if ( IVAS_REND_GetDelay( hIvasRend, &delayNumSamples_temp, &delayTimeScale_temp ) != IVAS_ERR_OK )
		if ( args.outConfig.audioConfig == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_CODED \|\| args.outConfig.audioConfig == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_PCM )
		{
		fprintf( stderr, "\nUnable to get delay of renderer!\n" );
		goto cleanup;
		}

		if ( ( error = split_rend_writer_open( &hSplitRendFileReadWrite, args.outputFilePath, delayNumSamples_temp, delayTimeScale_temp, bitsBuffer.config.codec, bitsBuffer.config.poseCorrection, bitsBuffer.config.codec_frame_size_ms, bitsBuffer.config.isar_frame_size_ms, args.sampleRate, bitsBuffer.config.lc3plus_highres ) ) != IVAS_ERR_OK )
		char *outFile = args.outMetadataFilePath;
		if ( args.outConfig.audioConfig == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_CODED )
		{
		fprintf( stderr, "\nCould not open split rend metadata file %s\n", args.outputFilePath );
		goto cleanup;
		}
		outFile = args.outputFilePath;
		audioWriter = NULL;
		}
		else
		{
		if ( args.outConfig.audioConfig == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_PCM )
		{
		if ( ( error = IVAS_REND_GetSplitRendBitstreamHeader( hIvasRend, &bitsBuffer.config.codec, &bitsBuffer.config.poseCorrection, &bitsBuffer.config.codec_frame_size_ms, &bitsBuffer.config.isar_frame_size_ms ) ) != IVAS_ERR_OK )
		if ( ( error = IVAS_REND_GetSplitRendBitstreamHeader( hIvasRend,
		&bitsBuffer.config.codec,
		&bitsBuffer.config.poseCorrection,
		&bitsBuffer.config.codec_frame_size_ms,
		&bitsBuffer.config.isar_frame_size_ms ) ) != IVAS_ERR_OK )
		{
		fprintf( stderr, "\nError in IVAS_REND_GetSplitRendBitstreamHeader()!\n" );
		goto cleanup;
		@@ -1402,12 +1431,23 @@ int main(
		goto cleanup;
		}

		if ( ( error = split_rend_writer_open( &hSplitRendFileReadWrite, args.outMetadataFilePath, delayNumSamples_temp, delayTimeScale_temp, bitsBuffer.config.codec, bitsBuffer.config.poseCorrection, bitsBuffer.config.codec_frame_size_ms, bitsBuffer.config.isar_frame_size_ms, args.sampleRate, bitsBuffer.config.lc3plus_highres ) ) != IVAS_ERR_OK )
		if ( ( error = split_rend_writer_open( &hSplitRendFileReadWrite,
		outFile,
		delayNumSamples_temp,
		delayTimeScale_temp,
		bitsBuffer.config.codec,
		bitsBuffer.config.poseCorrection,
		bitsBuffer.config.codec_frame_size_ms,
		bitsBuffer.config.isar_frame_size_ms,
		args.sampleRate,
		bitsBuffer.config.lc3plus_highres ) ) != IVAS_ERR_OK )
		{
		fprintf( stderr, "\nCould not open split rend metadata file %s\n", args.outMetadataFilePath );
		fprintf( stderr, "\nCould not open split rend metadata file %s\n", outFile );
		goto cleanup;
		}
		}
		else
		{

		if ( AudioFileWriter_open( &audioWriter, args.outputFilePath, args.sampleRate, numOutChannels ) != IVAS_ERR_OK )
		{
		@@ -1502,7 +1542,9 @@ int main(
		args.aeSequence.selected = 0;
		}
		args.aeSequence.frameCounter = 0;
		if ( ( error = RenderConfigReader_getAcousticEnvironment( renderConfigReader, args.aeSequence.pID[args.aeSequence.selected], &renderConfig.roomAcoustics ) ) == IVAS_ERR_OK )
		if ( ( error = RenderConfigReader_getAcousticEnvironment( renderConfigReader,
		args.aeSequence.pID[args.aeSequence.selected],
		&renderConfig.roomAcoustics ) ) == IVAS_ERR_OK )
		{
		if ( RenderConfigReader_checkValues( &renderConfig ) != IVAS_ERR_OK )
		{
		@@ -1538,7 +1580,13 @@ int main(
		}

		/* Convert from int to float and from interleaved to packed */
		convertInputBuffer( inpInt16Buffer, numSamplesRead, inBuffer.config.numSamplesPerChannel, num_in_channels, inFloatBuffer, inBuffer.config.is_cldfb, cldfbAna );
		convertInputBuffer( inpInt16Buffer,
		numSamplesRead,
		inBuffer.config.numSamplesPerChannel,
		num_in_channels,
		inFloatBuffer,
		inBuffer.config.is_cldfb,
		cldfbAna );

		int16_t num_subframes, sf_idx;
		num_subframes = (int16_t) args.render_framesize;
		@@ -1622,7 +1670,12 @@ int main(
		int16_t numFramesToTargetOrientation[IVAS_MAX_PARAM_SPATIAL_SUBFRAMES];
		for ( sf_idx = 0; sf_idx < num_subframes; sf_idx++ )
		{
		if ( ( error = ExternalOrientationFileReading( externalOrientationFileReader, &quatBuffer[sf_idx], &enableHeadRotation[sf_idx], &enableExternalOrientation[sf_idx], &enableRotationInterpolation[sf_idx], &numFramesToTargetOrientation[sf_idx] ) ) != IVAS_ERR_OK )
		if ( ( error = ExternalOrientationFileReading( externalOrientationFileReader,
		&quatBuffer[sf_idx],
		&enableHeadRotation[sf_idx],
		&enableExternalOrientation[sf_idx],
		&enableRotationInterpolation[sf_idx],
		&numFramesToTargetOrientation[sf_idx] ) ) != IVAS_ERR_OK )
		{
		fprintf( stderr, "\nError in External Orientation File Reading: %s\n", ivas_error_to_string( error ) );
		goto cleanup;
		@@ -1630,7 +1683,13 @@ int main(
		}
		for ( sf_idx = 0; sf_idx < num_subframes; sf_idx++ )
		{
		if ( ( error = IVAS_REND_SetExternalOrientation( hIvasRend, &quatBuffer[sf_idx], enableHeadRotation[sf_idx], enableExternalOrientation[sf_idx], enableRotationInterpolation[sf_idx], numFramesToTargetOrientation[sf_idx], sf_idx ) ) != IVAS_ERR_OK )
		if ( ( error = IVAS_REND_SetExternalOrientation( hIvasRend,
		&quatBuffer[sf_idx],
		enableHeadRotation[sf_idx],
		enableExternalOrientation[sf_idx],
		enableRotationInterpolation[sf_idx],
		numFramesToTargetOrientation[sf_idx],
		sf_idx ) ) != IVAS_ERR_OK )
		{
		fprintf( stderr, "\nError setting External Orientation: %s\n", ivas_error_to_string( error ) );
		goto cleanup;
		@@ -1653,7 +1712,9 @@ int main(
		fprintf( stderr, "\nIVAS_REND_GetInputNumChannels failed: %s\n", ivas_error_to_string( error ) );
		goto cleanup;
		}
		IVAS_REND_ReadOnlyAudioBuffer tmpBuffer = getReadOnlySubBuffer( inBuffer, (int16_t) args.inConfig.multiChannelBuses[i].inputChannelIndex, numChannels );
		IVAS_REND_ReadOnlyAudioBuffer tmpBuffer = getReadOnlySubBuffer( inBuffer,
		(int16_t) args.inConfig.multiChannelBuses[i].inputChannelIndex,
		numChannels );

		if ( ( error = IVAS_REND_FeedInputAudio( hIvasRend, mcIds[i], tmpBuffer ) ) != IVAS_ERR_OK )
		{
		@@ -1668,7 +1729,9 @@ int main(
		{
		if ( i == 0 )
		{
		IVAS_REND_ReadOnlyAudioBuffer tmpBuffer = getReadOnlySubBuffer( inBuffer, (int16_t) args.inConfig.audioObjects[i].inputChannelIndex, args.inConfig.numAudioObjects );
		IVAS_REND_ReadOnlyAudioBuffer tmpBuffer = getReadOnlySubBuffer( inBuffer,
		(int16_t) args.inConfig.audioObjects[i].inputChannelIndex,
		args.inConfig.numAudioObjects );

		if ( ( error = IVAS_REND_FeedInputAudio( hIvasRend, ismIds[i], tmpBuffer ) ) != IVAS_ERR_OK )
		{
		@@ -1685,7 +1748,9 @@ int main(
		}
		else
		{
		IVAS_REND_ReadOnlyAudioBuffer tmpBuffer = getReadOnlySubBuffer( inBuffer, (int16_t) args.inConfig.audioObjects[i].inputChannelIndex, 1 );
		IVAS_REND_ReadOnlyAudioBuffer tmpBuffer = getReadOnlySubBuffer( inBuffer,
		(int16_t) args.inConfig.audioObjects[i].inputChannelIndex,
		1 );

		if ( ( error = IVAS_REND_FeedInputAudio( hIvasRend, ismIds[i], tmpBuffer ) ) != IVAS_ERR_OK )
		{
		@@ -1708,7 +1773,9 @@ int main(
		fprintf( stderr, "\nIVAS_REND_GetInputNumChannels failed: %s\n", ivas_error_to_string( error ) );
		goto cleanup;
		}
		IVAS_REND_ReadOnlyAudioBuffer tmpBuffer = getReadOnlySubBuffer( inBuffer, (int16_t) args.inConfig.ambisonicsBuses[i].inputChannelIndex, numChannels );
		IVAS_REND_ReadOnlyAudioBuffer tmpBuffer = getReadOnlySubBuffer( inBuffer,
		(int16_t) args.inConfig.ambisonicsBuses[i].inputChannelIndex,
		numChannels );

		if ( ( error = IVAS_REND_FeedInputAudio( hIvasRend, sbaIds[i], tmpBuffer ) ) != IVAS_ERR_OK )
		{
		@@ -1724,7 +1791,9 @@ int main(
		fprintf( stderr, "IVAS_REND_GetInputNumChannels failed: %s\n", ivas_error_to_string( error ) );
		goto cleanup;
		}
		IVAS_REND_ReadOnlyAudioBuffer tmpBuffer = getReadOnlySubBuffer( inBuffer, (int16_t) args.inConfig.masaBuses[i].inputChannelIndex, numChannels );
		IVAS_REND_ReadOnlyAudioBuffer tmpBuffer = getReadOnlySubBuffer( inBuffer,
		(int16_t) args.inConfig.masaBuses[i].inputChannelIndex,
		numChannels );

		if ( ( error = IVAS_REND_FeedInputAudio( hIvasRend, masaIds[i], tmpBuffer ) ) != IVAS_ERR_OK )
		{
		@@ -1774,7 +1843,12 @@ int main(

		/* Convert from float to int and from packed to interleaved.
		* Values in outFloatBuffer are guaranteed to be within range INT16_MIN:INT16_MAX */
		convertOutputBuffer( outFloatBuffer, outBuffer.config.numSamplesPerChannel, num_out_channels, outInt16Buffer, cldfb_in_flag, cldfbSyn );
		convertOutputBuffer( outFloatBuffer,
		outBuffer.config.numSamplesPerChannel,
		num_out_channels,
		outInt16Buffer,
		cldfb_in_flag,
		cldfbSyn );

		if ( delayNumSamples == -1 )
		{
		@@ -1809,7 +1883,9 @@ int main(
		{
		if ( delayNumSamples * num_out_channels < outBufferSize )
		{
		if ( AudioFileWriter_write( audioWriter, &outInt16Buffer[delayNumSamples * num_out_channels], outBufferSize - ( delayNumSamples * num_out_channels ) ) != IVAS_ERR_OK )
		if ( AudioFileWriter_write( audioWriter,
		&outInt16Buffer[delayNumSamples * num_out_channels],
		outBufferSize - ( delayNumSamples * num_out_channels ) ) != IVAS_ERR_OK )
		{
		fprintf( stderr, "\nError writing audio file %s\n", args.outputFilePath );
		goto cleanup;
		@@ -1898,7 +1974,8 @@ int main(
		}
		}

		if ( ( args.inConfig.numAmbisonicsBuses > 0 \|\| args.inConfig.numMultiChannelBuses > 0 \|\| args.inConfig.numMasaBuses > 0 ) && args.inConfig.numAudioObjects > 0 )
		if ( ( args.inConfig.numAmbisonicsBuses > 0 \|\| args.inConfig.numMultiChannelBuses > 0 \|\| args.inConfig.numMasaBuses > 0 ) &&
		args.inConfig.numAudioObjects > 0 )
		{
		inputType2 = IVAS_REND_AUDIO_CONFIG_TYPE_OBJECT_BASED;
		if ( ( error = IVAS_REND_MergeMasaMetadata( hIvasRend, &hMetaOutput, inputType1, inputType2 ) ) != IVAS_ERR_OK )
		@@ -1949,9 +2026,11 @@ int main(
		zeroPadToWrite = 0;
		}

		if ( args.inConfig.numAudioObjects != 0 && ( args.outConfig.audioConfig == IVAS_AUDIO_CONFIG_BINAURAL \|\| args.outConfig.audioConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB ) )
		if ( args.inConfig.numAudioObjects != 0 &&
		( args.outConfig.audioConfig == IVAS_AUDIO_CONFIG_BINAURAL \|\| args.outConfig.audioConfig == IVAS_AUDIO_CONFIG_BINAURAL_ROOM_REVERB ) )
		{
		fprintf( stdout, "\n\nMetadata delayed %d subframes\n\n", (int16_t) round( args.syncMdDelay / ( 1000 / IVAS_NUM_FRAMES_PER_SEC / IVAS_MAX_PARAM_SPATIAL_SUBFRAMES ) ) );
		fprintf( stdout, "\n\nMetadata delayed %d subframes\n\n",
		(int16_t) round( args.syncMdDelay / ( 1000 / IVAS_NUM_FRAMES_PER_SEC / IVAS_MAX_PARAM_SPATIAL_SUBFRAMES ) ) );
		}

		if ( !args.quietModeEnabled && args.delayCompensationEnabled )
		@@ -3281,7 +3360,8 @@ static void parseObjectPosition(
		*positionDuration = (uint16_t) strtol( line, &endptr, 10 );
		readNextMetadataChunk( line, "\n" );

		read_values = (int16_t) sscanf( line, "%f,%f,%f,%f,%f,%f,%f,%f", &meta_prm[0], &meta_prm[1], &meta_prm[2], &meta_prm[3], &meta_prm[4], &meta_prm[5], &meta_prm[6], &meta_prm[7] );
		read_values = (int16_t) sscanf( line, "%f,%f,%f,%f,%f,%f,%f,%f",
		&meta_prm[0], &meta_prm[1], &meta_prm[2], &meta_prm[3], &meta_prm[4], &meta_prm[5], &meta_prm[6], &meta_prm[7] );

		if ( read_values < 2 )
		{