Commit 65d7ce39 authored Jun 13, 2023 by Vidhya V P

Made correction in SID MD bits calculation

parent 46b0859c

lib_com/options.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -180,7 +180,7 @@

		#define MASA_PREREND /* Nokia: Contribution 42: Support for IVAS_rend to merge MASA + other format to MASA */
		#define ISM_25k6_HZ_CORE /* VA: issue 540: 1ISM 48 kbps - change ACELP/TCX 16 kHz core to TCX only 25.6 kHz core */

		#define FIX_137_SID_MD_BITS /* Dlb: Fix issue #137 , SID bitrate mismatch correction */


		#define FIX_528_ISM_MD_FILE_TOO_SHORT /* VA: issue 528: ISM Metadata file too short */

lib_dec/ivas_qmetadata_dec.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -1187,8 +1187,13 @@ int16_t ivas_qmetadata_dec_sid_decode(

		if ( ivas_format == SBA_FORMAT )
		{
		#ifndef FIX_137_SID_MD_BITS
		/* TODO: still use old sid frame size to keep bitexactness */
		metadata_sid_bits = (int16_t) ( 5000 /IVAS_SID_5k2/ - SID_2k40 ) / FRAMES_PER_SEC - ( SPAR_DTX_BANDS * 18 ) - 1; /* -1 for inactive mode header bit*/
		#else
		metadata_sid_bits = (int16_t) ( IVAS_SID_5k2 - SID_2k40 ) / FRAMES_PER_SEC - ( SPAR_DTX_BANDS * 18 ) - 1; /* -1 for inactive mode header bit*/

		#endif
		}
		else
		{

lib_enc/ivas_qmetadata_enc.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -985,8 +985,13 @@ void ivas_qmetadata_enc_sid_encode(

		if ( ivas_format == SBA_FORMAT )
		{
		#ifndef FIX_137_SID_MD_BITS
		/* TODO: still use old sid frame size to keep bitexactness */
		metadata_sid_bits = (int16_t) ( 5000 /IVAS_SID_5k2/ - SID_2k40 ) / FRAMES_PER_SEC - ( SPAR_DTX_BANDS * SPAR_SID_BITS_TAR_PER_BAND ) - 1; /* -1 for inactive mode header bit*/
		#else
		metadata_sid_bits = (int16_t) ( IVAS_SID_5k2 - SID_2k40 ) / FRAMES_PER_SEC - ( SPAR_DTX_BANDS * SPAR_SID_BITS_TAR_PER_BAND ) - 1; /* -1 for inactive mode header bit*/

		#endif
		}
		else
		{