ISM path fixed functions integration (64efb3d5) · Commits · SA4 / Audio / IVAS BASOP

lib_com/cldfb.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1657,6 +1657,7 @@ ivas_error openCldfb_ivas(
		return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Cannot allocate memory for CLDFB" );
		}
		hs->cldfb_state_length = buf_len;//Temporarily added to store the length of buffer
		hs->cldfb_size = buf_len; /for having original size at intermediatery conversion, will be removed on removing conversion/
		set32_fx(hs->cldfb_state_fx, 0, buf_len);
		#endif // IVAS_FLOAT_FIXED

		@@ -1709,6 +1710,7 @@ ivas_error openCldfb_ivas_fx(
		}

		hs->cldfb_state_length = buf_len; // Temporarily added to store the length of buffer
		hs->cldfb_size = buf_len; /for having original size at intermediatery conversion, will be removed on removing conversion/
		set32_fx(hs->cldfb_state_fx, 0, buf_len);

		/* TODO: remove the floating point dependency */

lib_com/ivas_prot_fx.h

+8 −0

Original line number	Diff line number	Diff line
		@@ -1725,4 +1725,12 @@ void update_bits_next_block(
		const Word16 max_k /* i : n umber of subframes */
		);
		#endif

		UWord32 ivas_syn_output_fx(
		Word32 synth[], / i/o: float synthesis signal */
		const Word16 q_synth,
		const Word16 output_frame, /* i : output frame length (one channel) */
		const Word16 n_channels, /* i : number of output channels */
		Word16 synth_out / o : integer 16 bits synthesis signal */
		);
		#endif

lib_com/ivas_tools.c

+31 −0

Original line number	Diff line number	Diff line
		@@ -151,6 +151,37 @@ uint32_t ivas_syn_output(
		return noClipping;
		}

		#ifdef IVAS_FLOAT_FIXED
		UWord32 ivas_syn_output_fx(
		Word32 synth[], / i/o: float synthesis signal */
		const Word16 q_synth,
		const Word16 output_frame, /* i : output frame length (one channel) */
		const Word16 n_channels, /* i : number of output channels */
		Word16 synth_out / o : integer 16 bits synthesis signal */
		)
		{
		Word16 i, n;
		Word16 synth_loc[MAX_JBM_L_FRAME48k];
		UWord32 noClipping = 0;

		/-----------------------------------------------------------------
		* float to integer conversion with saturation control
		-----------------------------------------------------------------/

		FOR ( n = 0; n < n_channels; n++ )
		{
		noClipping += mvl2s_r( synth[n], q_synth, synth_loc, output_frame );

		FOR ( i = 0; i < output_frame; i++ )
		{
		synth_out[i * n_channels + n] = synth_loc[i];
		}
		}

		return noClipping;
		}
		#endif


		/-------------------------------------------------------------------
		* ivas_syn_output_f()

lib_com/prot_fx2.h

+28 −1

Original line number	Diff line number	Diff line
		@@ -7421,6 +7421,21 @@ void generate_comfort_noise_dec_hf_ivas_fx(
		Word16* Qsynth /* i/o: Scaling of ACELP exit (Q_syn2-1) or HQ exit (Qsynth); changes after this function */
		);

		ivas_error core_switching_post_dec_ivas_fx(
		Decoder_State st_fx, / i/o: decoder state structure */
		Word16 synth, / i/o: output synthesis Qsynth */
		Word32 output_fx, / i/o: LB synth/upsampled LB synth */
		Word16 output_mem_fx[], /* i : OLA memory from last TCX/HQ frame */
		const IVAS_FORMAT ivas_format, /* i : IVAS format */
		const Word16 use_cldfb_for_dft, /* i : flag to use of CLDFB for DFT Stereo */
		const Word16 output_frame, /* i : frame length */
		const Word16 core_switching_flag, /* i : ACELP->HQ switching flag */
		const Word16 sba_dirac_stereo_flag, /* i : signal stereo output for SBA DirAC */
		const Word16 nchan_out, /* i : number of output channels */
		const Word16 last_element_mode, /* i : element mode of previous frame */
		Word16 Qsynth / i/o: Scaling of ACELP exit (Q_syn2-1) or HQ exit (Qsynth); changes after this function */
		);

		void core_switching_hq_prepare_dec_fx(
		Decoder_State st_fx, / i/o: encoder state structure */
		Word16 num_bits, / i/o: bit budget update */
		@@ -8939,6 +8954,11 @@ void cldfbAnalysis_ts_fx_fixed_q(
		Word16* q_cldfb
		);

		void configureCldfb_ivas_fx(
		HANDLE_CLDFB_FILTER_BANK h_cldfb, /* i/o: filter bank handle */
		const Word32 sampling_rate /* i : sampling rate */
		);

		// dec4t64.c
		void dec_acelp_fast_fx(
		Decoder_State st, / i/o: decoder state structure */
		@@ -9194,3 +9214,10 @@ void ivas_bw_switching_pre_proc_fx(
		void acelp_decoder_state_float2fix(Decoder_State *st, STEREO_CNG_DEC_HANDLE hStereoCng);
		void acelp_decoder_state_fix2float(Decoder_State *st, STEREO_CNG_DEC_HANDLE hStereoCng);
		#endif

		uint32_t mvl2s_r(
		const Word32 x[], /* i : input vector */
		const Word16 q,
		int16_t y[], /* o : output vector */
		const int16_t n /* i : vector size */
		);

lib_com/stat_com.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -771,6 +771,7 @@ typedef struct cldfb_filter_bank_struct
		#ifdef IVAS_FLOAT_FIXED
		Word32 *cldfb_state_fx;
		Word16 cldfb_state_length;
		Word16 cldfb_size;
		Word16 Q_cldfb_state;
		#endif

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