implement SBA-gain editing in stereo output (8e60e494) · Commits · IVAS Codec Public Collaboration / IVAS Codec

lib_dec/ivas_jbm_dec.c

+31 −4

Original line number	Diff line number	Diff line
		@@ -1254,11 +1254,38 @@ ivas_error ivas_jbm_dec_render(
		ivas_ism_render_sf( st_ivas, st_ivas->renderer_type, p_output, *nSamplesRendered );

		/* add already rendered SBA part */
		#ifdef OBJ_EDITING_API
		if (st_ivas->ivas_format == SBA_ISM_FORMAT && st_ivas->ism_mode == ISM_SBA_MODE_DISC)
		{
		float gain = st_ivas->hSbaIsmData->gain_bed;
		if ( gain != 1.0f && gain >= 0.0f )
		{
		int16_t i;
		for (n = 0; n < nchan_out; n++)
		{
		for (i = 0; i < *nSamplesRendered; i++)
		{
		p_output[n][i] += p_tc[n + st_ivas->nchan_ism][i] * gain;
		}
		}
		}
		else
		{
		for (n = 0; n < nchan_out; n++)
		{
		v_add(p_output[n], p_tc[n + st_ivas->nchan_ism], p_output[n], *nSamplesRendered);
		}
		}
		}
		else
		#endif
		{
		for ( n = 0; n < nchan_out; n++ )
		{
		v_add( p_output[n], p_tc[n + st_ivas->nchan_ism], p_output[n], *nSamplesRendered );
		}
		}
		}
		else if ( st_ivas->renderer_type == RENDERER_OSBA_AMBI \|\| st_ivas->renderer_type == RENDERER_OSBA_LS \|\| st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV_ROOM )
		{
		if ( ( error = ivas_osba_render_sf( st_ivas, nSamplesAskedLocal, nSamplesRendered, nSamplesAvailableNext, p_output ) ) != IVAS_ERR_OK )