add OSBA/OMASA support to IVAS_rend (2e3c706a) · Commits · IVAS Codec Public Collaboration / IVAS Codec

apps/renderer.c

+50 −7

Original line number	Diff line number	Diff line
		@@ -397,6 +397,8 @@ static IVAS_AUDIO_CONFIG ambisonicsOrderToEnum( const int16_t order );

		static void parseSceneDescriptionFile( char path, char audioFilePath, InputConfig inConfig, IsmPositionProvider positionProvider, MasaFileReader masaReaders, LfeRoutingConfig lfeRoutingConfigs );

		static void parseCombinedFormatInput( InputConfig inConfig, char *configString );

		static ivas_error parseCustomLayoutFile( const char filePath, IVAS_CUSTOM_LS_DATA pLsSetupCustom );

		static CmdlnArgs parseCmdlnArgs( const int argc, char **argv );
		@@ -2093,16 +2095,11 @@ static bool parseInConfig(
		inConfig->masaBuses[0].gain_dB = 0.0f;
		break;
		case IVAS_AUDIO_CONFIG_OBA:
		/* If input format is objects, parse the characters after "ISM" to get number of objects */
		/* If input format is objects, parse the characters after "ISM" to get
		* number of objects and check for combined formats. */
		{
		char *ptr = NULL;
		inConfig->numAudioObjects = (uint16_t) strtol( inFormatStr + 3, &ptr, 10 );
		if ( ptr == NULL \|\| *ptr != '\0' )
		{
		/* Failed to parse string as a number */
		fprintf( stderr, "Cannot parse string \"%s\" as a valid input format", inFormatStr );
		return false;
		}
		if ( inConfig->numAudioObjects > RENDERER_MAX_ISM_INPUTS )
		{
		fprintf( stderr, "Too many objects at input. Max %d supported.", RENDERER_MAX_ISM_INPUTS );
		@@ -2114,6 +2111,17 @@ static bool parseInConfig(
		inConfig->audioObjects[i].inputChannelIndex = i;
		inConfig->audioObjects[i].gain_dB = 0.0f;
		}
		if ( *ptr != '\0' )
		{
		/* Try to parse combined format */
		parseCombinedFormatInput( inConfig, &ptr );
		}
		if ( ptr == NULL \|\| *ptr != '\0' )
		{
		/* Failed to parse string as a number */
		fprintf( stderr, "Cannot parse string \"%s\" as a valid input format", inFormatStr );
		return false;
		}
		}
		break;
		case IVAS_AUDIO_CONFIG_INVALID:
		@@ -3436,6 +3444,41 @@ static void parseMasa(
		return;
		}

		static void parseCombinedFormatInput(
		InputConfig *inConfig,
		char **configString )
		{
		IVAS_AUDIO_CONFIG audioConfig;
		audioConfig = parseAudioConfig( *configString );

		if ( audioConfig == IVAS_AUDIO_CONFIG_FOA \|\| audioConfig == IVAS_AUDIO_CONFIG_HOA2 \|\| audioConfig == IVAS_AUDIO_CONFIG_HOA3 )
		{
		/* OSBA */
		inConfig->numAmbisonicsBuses = 1;
		inConfig->ambisonicsBuses[0].audioConfig = audioConfig;
		inConfig->ambisonicsBuses[0].inputChannelIndex = inConfig->numAudioObjects;
		inConfig->ambisonicsBuses[0].gain_dB = -6.f;
		*configString += 4;

		/* Modify input gain for objects too */
		for ( int16_t i = 0; i < inConfig->numAudioObjects; ++i )
		{
		inConfig->audioObjects[i].gain_dB = -6.f;
		}
		}
		else if ( audioConfig == IVAS_AUDIO_CONFIG_MASA1 \|\| audioConfig == IVAS_AUDIO_CONFIG_MASA2 )
		{
		/* OMASA */
		inConfig->numMasaBuses = 1;
		inConfig->masaBuses[0].audioConfig = audioConfig;
		inConfig->masaBuses[0].inputChannelIndex = inConfig->numAudioObjects;
		inConfig->masaBuses[0].gain_dB = 0.0f;
		*configString += 5;
		}

		return;
		}

		static ivas_error parseCustomLayoutFile(
		const char *filePath,
		IVAS_CUSTOM_LS_DATA *pLsSetupCustom )