Integration of fixed point sub-functions - 6 (cd8ff809) · Commits · SA4 / Audio / IVAS BASOP

lib_com/cnst.h

+13 −1

Original line number	Diff line number	Diff line
		@@ -156,11 +156,20 @@
		#define MIN16B ( -32768 )
		#define MAX16B_FLT 32767.0f
		#define MIN16B_FLT ( -32768.0f )
		#ifdef IVAS_FLOAT_FIXED
		#define MIN16B_FLT_FX -32768 //Q0
		#define MIN16B_FLT_FX_IN_Q11 -67108864//Q11
		#define MIN16B_FLT_FX_IN_Q15 -1073741824//Q15
		#endif
		#define PCM16_TO_FLT_FAC 32768.0f
		#ifdef IVAS_FLOAT_FIXED
		#define PCM16_TO_FLT_FAC_FX 32768
		#define PCM16_TO_FLT_FAC_FX 32768 //Q0
		#endif // IVAS_FLOAT_FIXED
		#define MDFT_NORM_SCALING ( 1.0f / PCM16_TO_FLT_FAC )
		#ifdef IVAS_FLOAT_FIXED
		#define MDFT_NORM_SCALING_FX 65536 //Q31
		#define LOG2_MDFT_NORM_SCALING_FX -503316448 //Q25
		#endif
		#define MAX_FRAME_COUNTER 200
		#define MAX_BITS_PER_FRAME 10240 /* Bits per frame for max. bitrate 512kbps, == IVAS_MAX_BITS_PER_FRAME */

		@@ -734,6 +743,9 @@ enum
		#define L_HP20_MEM 4 /* HP20 filter memory length */

		#define CLDFB_NO_CHANNELS_MAX 60 /* CLDFB resampling - max number of CLDFB channels, == IVAS_CLDFB_NO_CHANNELS_MAX */
		#ifdef IVAS_FLOAT_FIXED
		#define CLDFB_NO_CHANNELS_MAX_FX 30720 /Q9/
		#endif
		#define CLDFB_NO_COL_MAX 16 /* CLDFB resampling - max number of CLDFB col., == IVAS_CLDFB_NO_COL_MAX */
		#define CLDFB_NO_COL_MAX_SWITCH 6 /* CLDFB resampling - max number of CLDFB col. for switching */
		#define CLDFB_NO_COL_MAX_SWITCH_BFI 10 /* CLDFB resampling - max number of CLDFB col. for switching, BFI */

lib_com/common_api_types.h

+3 −1

Original line number	Diff line number	Diff line
		@@ -248,7 +248,9 @@ typedef struct _IVAS_RENDER_CONFIG
		{
		IVAS_ROOM_ACOUSTICS_CONFIG_DATA roomAcoustics;
		float directivity[IVAS_MAX_NUM_OBJECTS * 3];

		#ifdef IVAS_FLOAT_FIXED
		Word16 directivity_fx[IVAS_MAX_NUM_OBJECTS * 3]; // has the following q-factor pattern: {6, 6, 15, 6, 6, 15, 6, 6, 15, 6, 6, 15}
		#endif
		} IVAS_RENDER_CONFIG_DATA, *IVAS_RENDER_CONFIG_HANDLE;

		#endif /* COMMON_API_TYPES_H */

lib_com/ivas_ism_com.c

+53 −4

Original line number	Diff line number	Diff line
		@@ -43,6 +43,7 @@
		#include "ivas_prot_fx.h"
		#include "prot_fx1.h"

		#define IVAS_FLOAT_FIXED_TO_BE_REMOVED

		/-----------------------------------------------------------------------
		* Local constants
		@@ -734,30 +735,51 @@ ivas_error ivas_ism_config_fx(
		* Reset ISM metadata parameters
		-------------------------------------------------------------------/

		#ifdef IVAS_FLOAT_FIXED
		void ivas_ism_reset_metadata(
		ISM_METADATA_HANDLE hIsmMeta /* i/o: ISM metadata handle */
		)
		{
		#ifdef IVAS_FLOAT_FIXED
		hIsmMeta->azimuth_fx = 0;
		move32();
		hIsmMeta->elevation_fx = 0;
		move32();
		hIsmMeta->yaw_fx = 0;
		move32();
		hIsmMeta->pitch_fx = 0;
		move32();
		hIsmMeta->radius_fx = 1 << 9;
		#endif
		// To be removed later /////////////////////
		move16();
		#ifdef IVAS_FLOAT_FIXED_TO_BE_REMOVED
		hIsmMeta->azimuth = 0.0f;
		hIsmMeta->elevation = 0.0f;
		hIsmMeta->yaw = 0.0f;
		hIsmMeta->pitch = 0.0f;
		hIsmMeta->radius = 1.0f;
		////////////////////////////////////////////
		#endif
		hIsmMeta->ism_metadata_flag = 0;
		move16();
		hIsmMeta->non_diegetic_flag = 0;
		move16();

		return;
		}
		#else
		void ivas_ism_reset_metadata(
		ISM_METADATA_HANDLE hIsmMeta /* i/o: ISM metadata handle */
		)
		{
		hIsmMeta->azimuth = 0.0f;
		hIsmMeta->elevation = 0.0f;
		hIsmMeta->yaw = 0.0f;
		hIsmMeta->pitch = 0.0f;
		hIsmMeta->radius = 1.0f;
		hIsmMeta->ism_metadata_flag = 0;
		hIsmMeta->non_diegetic_flag = 0;

		return;
		}
		#endif

		/-------------------------------------------------------------------
		* ivas_ism_reset_metadata_API()
		@@ -1006,6 +1028,32 @@ ISM_MODE ivas_ism_mode_select(
		* Deallocate ISM metadata handles
		* ---------------------------------------------------------------*/

		#ifdef IVAS_FLOAT_FIXED
		void ivas_ism_metadata_close(
		ISM_METADATA_HANDLE hIsmMetaData[], /* i/o: object metadata handles */
		const Word16 first_idx /* i : index of first handle to deallocate */
		)
		{
		Word16 n;

		test();
		IF( hIsmMetaData == NULL \|\| *hIsmMetaData == NULL )
		{
		return;
		}

		FOR( n = first_idx; n < MAX_NUM_OBJECTS; n++ )
		{
		IF( hIsmMetaData[n] != NULL )
		{
		free( hIsmMetaData[n] );
		hIsmMetaData[n] = NULL;
		}
		}

		return;
		}
		#else
		void ivas_ism_metadata_close(
		ISM_METADATA_HANDLE hIsmMetaData[], /* i/o: object metadata handles */
		const int16_t first_idx /* i : index of first handle to deallocate */
		@@ -1029,6 +1077,7 @@ void ivas_ism_metadata_close(

		return;
		}
		#endif


		/-------------------------------------------------------------------

lib_com/ivas_prot.h

+41 −2

Original line number	Diff line number	Diff line
		@@ -3554,12 +3554,22 @@ void ivas_mdct_core_tns_ns(
		const int16_t MCT_flag /* i : hMCT handle allocated (1) or not (0) */
		);

		#ifdef IVAS_FLOAT_FIXED
		void ivas_mct_core_dec(
		MCT_DEC_HANDLE hMCT, /* i/o: MCT decoder structure */
		CPE_DEC_HANDLE hCPE[MCT_MAX_BLOCKS], /* i/o: CPE decoder structure */
		const Word16 nCPE, /* i : number of CPEs */
		Word32 *signal_out_fx[],
		Word16 q_x[MCT_MAX_CHANNELS]
		);
		#else
		void ivas_mct_core_dec(
		MCT_DEC_HANDLE hMCT, /* i/o: MCT decoder structure */
		CPE_DEC_HANDLE hCPE[MCT_MAX_BLOCKS], /* i/o: CPE decoder structure */
		const int16_t nCPE, /* i : number of CPEs */
		float signal_out[] / o : synthesis @internal_FS */
		);
		#endif

		void ivas_mct_dec_mct(
		MCT_DEC_HANDLE hMCT, /* i/o: MCT decoder structure */
		@@ -4819,16 +4829,46 @@ int16_t ivas_agc_enc_get_flag(
		const int16_t nchan_transport /* i : number of transport channels */
		);

		#ifdef IVAS_FLOAT_FIXED
		Word16 ivas_agc_enc_get_flag_fx(
		const Word16 nchan_transport /* i : number of transport channels */
		);
		#endif

		ivas_error ivas_spar_agc_enc_open(
		ivas_agc_enc_state_t *hAgcEnc, / i/o: AGC decoder handle */
		const int32_t input_Fs, /* i : input sampling rate */
		const int16_t nchan_inp /* i : number of input channels */
		);

		#ifdef IVAS_FLOAT_FIXED
		ivas_error ivas_spar_agc_enc_open_fx(
		ivas_agc_enc_state_t *hAgcEnc, / i/o: SPAR AGC encoder handle */
		const Word32 input_Fs, /* i : input sampling rate */
		const Word16 nchan_inp /* i : number of input channels */
		);
		#endif

		void ivas_spar_agc_enc_close(
		ivas_agc_enc_state_t *hAgcEnc / i/o: AGC encoder handle */
		);

		#ifdef IVAS_FLOAT_FIXED
		void ivas_spar_agc_enc_close_fx(
		ivas_agc_enc_state_t *hAgcEnc / i/o: SPAR AGC encoder handle */
		);

		void ivas_agc_enc_process_fx(
		ivas_agc_enc_state_t hAgcEnc, / i/o: AGC encoder handle */
		BSTR_ENC_HANDLE hMetaData, /* i/o: MetaData handle */
		Word32 *ppPcm_in, / i : input audio channels */
		Word32 *ppPcm_out, / o : output audio channels */
		const Word16 n_channels, /* i : number of channels */
		const ENCODER_CONFIG_HANDLE hEncoderConfig, /* i : configuration structure */
		Word16 *q_ppPcm
		);
		#endif

		void ivas_agc_enc_process(
		ivas_agc_enc_state_t hAgcEnc, / i/o: AGC encoder handle */
		BSTR_ENC_HANDLE hMetaData, /* i/o: MetaData handle */
		@@ -6642,8 +6682,7 @@ void ivas_omasa_modify_masa_energy_ratios(
		ivas_error ivas_td_binaural_open_fx(
		Decoder_Struct st_ivas, / i/o: IVAS decoder structure */
		Word16 * SrcInd, /Temporarily used to store the updated value of SrcInd/
		Word16 *num_src,
		Word16 *directivity_fx
		Word16 *num_src
		);
		#endif // IVAS_FLOAT_FIXED

lib_com/ivas_prot_fx.h

+22 −0

Original line number	Diff line number	Diff line
		@@ -147,6 +147,14 @@ ivas_error ivas_omasa_ism_metadata_dec_fx(
		const Word16 dirac_bs_md_write_idx, /* i : DirAC bitstream write index */
		Word16 nb_bits_metadata[] /* o : number of ISM metadata bits */
		);
		ivas_error ivas_omasa_dec_config_fx(
		Decoder_Struct st_ivas, / i/o: IVAS decoder structure */
		UWord16 nSamplesRendered, / o : number of samples flushed from the previous frame (JBM) */
		Word16 Q_cldfbSynDec, /* i : Q factor for cldfb state */
		Word16 *num_src,
		Word16 SrcInd[MAX_NUM_TDREND_CHANNELS],
		Word16 data / o : output synthesis signal */
		);
		#endif

		void ivas_omasa_modify_masa_energy_ratios_fx(
		@@ -564,6 +572,20 @@ void ivas_jbm_dec_get_adapted_subframes_fx(
		Word16 nb_subframes / i/o: number of subframes in the frame */
		);

		void ivas_jbm_dec_copy_tc_no_tsm_fx(
		Decoder_Struct st_ivas, / i/o: IVAS decoder handle Q0 */
		Word32 tc_fx[], / i : transport channels Q11 */
		const Word16 output_frame /* i : output frame size Q0 */
		);

		void ivas_ism_param_dec_tc_gain_ajust_fx(
		Decoder_Struct st_ivas, / i/o: IVAS decoder handle */
		const UWord16 nSamples, /* i : number of samples to be compensate */
		const UWord16 nFadeLength, /* i : length of the crossfade in samples */
		Word32 transport_channels_f[], / i : synthesized core-coder transport channels/DirAC output Q_tc*/
		Word16 Q_tc / i/o : Q of input tc buffer */
		);

		#ifdef IVAS_FLOAT_FIXED
		/! r: number of bits read /
		Word16 read_GR0(

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