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Allow disabling phase inversion for multistream

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Also clarify in doc that conformance issue relates to decoder only.
This commit is contained in:
Mark Harris 2016-09-03 10:42:19 -07:00
parent f25b46a303
commit 691d49355f
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GPG key ID: 92293B4D0118BDB0
3 changed files with 10 additions and 5 deletions
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11
include/opus_defines.h
View file

@ -682,11 +682,12 @@ extern "C" {
*/
#define OPUS_GET_SAMPLE_RATE(x) OPUS_GET_SAMPLE_RATE_REQUEST, __opus_check_int_ptr(x)
/** If set to 1, disables the use of phase inversion for intensity stereo, improving the
* quality of mono downmixes, but slightly reducing normal stereo quality. Disabling phase
* inversion does not comply with RFC6716, even though it does not cause any
* interoperability issue. It will become part of the Opus standard once RFC6716 gets
* updated with draft-ietf-codec-opus-update.
/** If set to 1, disables the use of phase inversion for intensity stereo,
* improving the quality of mono downmixes, but slightly reducing normal
* stereo quality. Disabling phase inversion in the decoder does not comply
* with RFC 6716, although it does not cause any interoperability issue and
* is expected to become part of the Opus standard once RFC 6716 is updated
* by draft-ietf-codec-opus-update.
* @see OPUS_GET_PHASE_INVERSION_DISABLED
* @param[in] x <tt>opus_int32</tt>: Allowed values:
* <dl>

2
src/opus_multistream_decoder.c
View file

@ -425,6 +425,7 @@ int opus_multistream_decoder_ctl(OpusMSDecoder *st, int request, ...)
case OPUS_GET_SAMPLE_RATE_REQUEST:
case OPUS_GET_GAIN_REQUEST:
case OPUS_GET_LAST_PACKET_DURATION_REQUEST:
case OPUS_GET_PHASE_INVERSION_DISABLED_REQUEST:
{
OpusDecoder *dec;
/* For int32* GET params, just query the first stream */
@ -499,6 +500,7 @@ int opus_multistream_decoder_ctl(OpusMSDecoder *st, int request, ...)
}
break;
case OPUS_SET_GAIN_REQUEST:
case OPUS_SET_PHASE_INVERSION_DISABLED_REQUEST:
{
int s;
/* This works for int32 params */

2
src/opus_multistream_encoder.c
View file

@ -1204,6 +1204,7 @@ int opus_multistream_encoder_ctl(OpusMSEncoder *st, int request, ...)
case OPUS_GET_INBAND_FEC_REQUEST:
case OPUS_GET_FORCE_CHANNELS_REQUEST:
case OPUS_GET_PREDICTION_DISABLED_REQUEST:
case OPUS_GET_PHASE_INVERSION_DISABLED_REQUEST:
{
OpusEncoder *enc;
/* For int32* GET params, just query the first stream */
@ -1250,6 +1251,7 @@ int opus_multistream_encoder_ctl(OpusMSEncoder *st, int request, ...)
case OPUS_SET_FORCE_MODE_REQUEST:
case OPUS_SET_FORCE_CHANNELS_REQUEST:
case OPUS_SET_PREDICTION_DISABLED_REQUEST:
case OPUS_SET_PHASE_INVERSION_DISABLED_REQUEST:
{
int s;
/* This works for int32 params */