mirror of
https://github.com/moonlight-stream/moonlight-ios.git
synced 2026-04-02 22:16:07 +00:00
Update to libopus 1.3.1
This commit is contained in:
@@ -531,7 +531,7 @@ OPUS_EXPORT int opus_packet_parse(
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const unsigned char *frames[48],
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opus_int16 size[48],
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int *payload_offset
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) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(4);
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) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(5);
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/** Gets the bandwidth of an Opus packet.
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* @param [in] data <tt>char*</tt>: Opus packet
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@@ -165,8 +165,13 @@ extern "C" {
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#define OPUS_GET_EXPERT_FRAME_DURATION_REQUEST 4041
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#define OPUS_SET_PREDICTION_DISABLED_REQUEST 4042
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#define OPUS_GET_PREDICTION_DISABLED_REQUEST 4043
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/* Don't use 4045, it's already taken by OPUS_GET_GAIN_REQUEST */
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#define OPUS_SET_PHASE_INVERSION_DISABLED_REQUEST 4046
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#define OPUS_GET_PHASE_INVERSION_DISABLED_REQUEST 4047
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#define OPUS_GET_IN_DTX_REQUEST 4049
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/** Defines for the presence of extended APIs. */
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#define OPUS_HAVE_OPUS_PROJECTION_H
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/* Macros to trigger compilation errors when the wrong types are provided to a CTL */
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#define __opus_check_int(x) (((void)((x) == (opus_int32)0)), (opus_int32)(x))
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@@ -208,6 +213,9 @@ extern "C" {
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#define OPUS_FRAMESIZE_20_MS 5004 /**< Use 20 ms frames */
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#define OPUS_FRAMESIZE_40_MS 5005 /**< Use 40 ms frames */
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#define OPUS_FRAMESIZE_60_MS 5006 /**< Use 60 ms frames */
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#define OPUS_FRAMESIZE_80_MS 5007 /**< Use 80 ms frames */
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#define OPUS_FRAMESIZE_100_MS 5008 /**< Use 100 ms frames */
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#define OPUS_FRAMESIZE_120_MS 5009 /**< Use 120 ms frames */
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/**@}*/
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@@ -566,7 +574,9 @@ extern "C" {
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* <dt>OPUS_FRAMESIZE_20_MS</dt><dd>Use 20 ms frames.</dd>
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* <dt>OPUS_FRAMESIZE_40_MS</dt><dd>Use 40 ms frames.</dd>
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* <dt>OPUS_FRAMESIZE_60_MS</dt><dd>Use 60 ms frames.</dd>
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* <dt>OPUS_FRAMESIZE_VARIABLE</dt><dd>Optimize the frame size dynamically.</dd>
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* <dt>OPUS_FRAMESIZE_80_MS</dt><dd>Use 80 ms frames.</dd>
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* <dt>OPUS_FRAMESIZE_100_MS</dt><dd>Use 100 ms frames.</dd>
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* <dt>OPUS_FRAMESIZE_120_MS</dt><dd>Use 120 ms frames.</dd>
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* </dl>
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* @hideinitializer */
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#define OPUS_SET_EXPERT_FRAME_DURATION(x) OPUS_SET_EXPERT_FRAME_DURATION_REQUEST, __opus_check_int(x)
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@@ -581,7 +591,9 @@ extern "C" {
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* <dt>OPUS_FRAMESIZE_20_MS</dt><dd>Use 20 ms frames.</dd>
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* <dt>OPUS_FRAMESIZE_40_MS</dt><dd>Use 40 ms frames.</dd>
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* <dt>OPUS_FRAMESIZE_60_MS</dt><dd>Use 60 ms frames.</dd>
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* <dt>OPUS_FRAMESIZE_VARIABLE</dt><dd>Optimize the frame size dynamically.</dd>
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* <dt>OPUS_FRAMESIZE_80_MS</dt><dd>Use 80 ms frames.</dd>
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* <dt>OPUS_FRAMESIZE_100_MS</dt><dd>Use 100 ms frames.</dd>
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* <dt>OPUS_FRAMESIZE_120_MS</dt><dd>Use 120 ms frames.</dd>
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* </dl>
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* @hideinitializer */
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#define OPUS_GET_EXPERT_FRAME_DURATION(x) OPUS_GET_EXPERT_FRAME_DURATION_REQUEST, __opus_check_int_ptr(x)
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@@ -681,6 +693,40 @@ extern "C" {
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*/
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#define OPUS_GET_SAMPLE_RATE(x) OPUS_GET_SAMPLE_RATE_REQUEST, __opus_check_int_ptr(x)
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/** If set to 1, disables the use of phase inversion for intensity stereo,
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* improving the quality of mono downmixes, but slightly reducing normal
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* stereo quality. Disabling phase inversion in the decoder does not comply
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* with RFC 6716, although it does not cause any interoperability issue and
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* is expected to become part of the Opus standard once RFC 6716 is updated
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* by draft-ietf-codec-opus-update.
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* @see OPUS_GET_PHASE_INVERSION_DISABLED
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* @param[in] x <tt>opus_int32</tt>: Allowed values:
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* <dl>
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* <dt>0</dt><dd>Enable phase inversion (default).</dd>
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* <dt>1</dt><dd>Disable phase inversion.</dd>
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* </dl>
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* @hideinitializer */
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#define OPUS_SET_PHASE_INVERSION_DISABLED(x) OPUS_SET_PHASE_INVERSION_DISABLED_REQUEST, __opus_check_int(x)
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/** Gets the encoder's configured phase inversion status.
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* @see OPUS_SET_PHASE_INVERSION_DISABLED
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* @param[out] x <tt>opus_int32 *</tt>: Returns one of the following values:
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* <dl>
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* <dt>0</dt><dd>Stereo phase inversion enabled (default).</dd>
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* <dt>1</dt><dd>Stereo phase inversion disabled.</dd>
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* </dl>
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* @hideinitializer */
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#define OPUS_GET_PHASE_INVERSION_DISABLED(x) OPUS_GET_PHASE_INVERSION_DISABLED_REQUEST, __opus_check_int_ptr(x)
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/** Gets the DTX state of the encoder.
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* Returns whether the last encoded frame was either a comfort noise update
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* during DTX or not encoded because of DTX.
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* @param[out] x <tt>opus_int32 *</tt>: Returns one of the following values:
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* <dl>
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* <dt>0</dt><dd>The encoder is not in DTX.</dd>
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* <dt>1</dt><dd>The encoder is in DTX.</dd>
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* </dl>
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* @hideinitializer */
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#define OPUS_GET_IN_DTX(x) OPUS_GET_IN_DTX_REQUEST, __opus_check_int_ptr(x)
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/**@}*/
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/** @defgroup opus_decoderctls Decoder related CTLs
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@@ -273,7 +273,7 @@ OPUS_EXPORT OPUS_WARN_UNUSED_RESULT OpusMSEncoder *opus_multistream_surround_enc
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unsigned char *mapping,
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int application,
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int *error
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) OPUS_ARG_NONNULL(5);
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) OPUS_ARG_NONNULL(4) OPUS_ARG_NONNULL(5) OPUS_ARG_NONNULL(6);
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/** Initialize a previously allocated multistream encoder state.
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* The memory pointed to by \a st must be at least the size returned by
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@@ -342,7 +342,7 @@ OPUS_EXPORT int opus_multistream_surround_encoder_init(
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int *coupled_streams,
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unsigned char *mapping,
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int application
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) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(6);
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) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(5) OPUS_ARG_NONNULL(6) OPUS_ARG_NONNULL(7);
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/** Encodes a multistream Opus frame.
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* @param st <tt>OpusMSEncoder*</tt>: Multistream encoder state.
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568
libs/opus/include/opus/opus_projection.h
Normal file
568
libs/opus/include/opus/opus_projection.h
Normal file
@@ -0,0 +1,568 @@
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/* Copyright (c) 2017 Google Inc.
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Written by Andrew Allen */
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/*
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* @file opus_projection.h
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* @brief Opus projection reference API
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*/
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#ifndef OPUS_PROJECTION_H
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#define OPUS_PROJECTION_H
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#include "opus_multistream.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** @cond OPUS_INTERNAL_DOC */
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/** These are the actual encoder and decoder CTL ID numbers.
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* They should not be used directly by applications.c
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* In general, SETs should be even and GETs should be odd.*/
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/**@{*/
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#define OPUS_PROJECTION_GET_DEMIXING_MATRIX_GAIN_REQUEST 6001
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#define OPUS_PROJECTION_GET_DEMIXING_MATRIX_SIZE_REQUEST 6003
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#define OPUS_PROJECTION_GET_DEMIXING_MATRIX_REQUEST 6005
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/**@}*/
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/** @endcond */
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/** @defgroup opus_projection_ctls Projection specific encoder and decoder CTLs
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*
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* These are convenience macros that are specific to the
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* opus_projection_encoder_ctl() and opus_projection_decoder_ctl()
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* interface.
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* The CTLs from @ref opus_genericctls, @ref opus_encoderctls,
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* @ref opus_decoderctls, and @ref opus_multistream_ctls may be applied to a
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* projection encoder or decoder as well.
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*/
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/**@{*/
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/** Gets the gain (in dB. S7.8-format) of the demixing matrix from the encoder.
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* @param[out] x <tt>opus_int32 *</tt>: Returns the gain (in dB. S7.8-format)
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* of the demixing matrix.
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* @hideinitializer
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*/
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#define OPUS_PROJECTION_GET_DEMIXING_MATRIX_GAIN(x) OPUS_PROJECTION_GET_DEMIXING_MATRIX_GAIN_REQUEST, __opus_check_int_ptr(x)
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/** Gets the size in bytes of the demixing matrix from the encoder.
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* @param[out] x <tt>opus_int32 *</tt>: Returns the size in bytes of the
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* demixing matrix.
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* @hideinitializer
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*/
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#define OPUS_PROJECTION_GET_DEMIXING_MATRIX_SIZE(x) OPUS_PROJECTION_GET_DEMIXING_MATRIX_SIZE_REQUEST, __opus_check_int_ptr(x)
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/** Copies the demixing matrix to the supplied pointer location.
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* @param[out] x <tt>unsigned char *</tt>: Returns the demixing matrix to the
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* supplied pointer location.
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* @param y <tt>opus_int32</tt>: The size in bytes of the reserved memory at the
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* pointer location.
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* @hideinitializer
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*/
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#define OPUS_PROJECTION_GET_DEMIXING_MATRIX(x,y) OPUS_PROJECTION_GET_DEMIXING_MATRIX_REQUEST, x, __opus_check_int(y)
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/**@}*/
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/** Opus projection encoder state.
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* This contains the complete state of a projection Opus encoder.
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* It is position independent and can be freely copied.
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* @see opus_projection_ambisonics_encoder_create
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*/
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typedef struct OpusProjectionEncoder OpusProjectionEncoder;
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/** Opus projection decoder state.
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* This contains the complete state of a projection Opus decoder.
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* It is position independent and can be freely copied.
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* @see opus_projection_decoder_create
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* @see opus_projection_decoder_init
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*/
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typedef struct OpusProjectionDecoder OpusProjectionDecoder;
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/**\name Projection encoder functions */
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/**@{*/
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/** Gets the size of an OpusProjectionEncoder structure.
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* @param channels <tt>int</tt>: The total number of input channels to encode.
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* This must be no more than 255.
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* @param mapping_family <tt>int</tt>: The mapping family to use for selecting
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* the appropriate projection.
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* @returns The size in bytes on success, or a negative error code
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* (see @ref opus_errorcodes) on error.
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*/
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OPUS_EXPORT OPUS_WARN_UNUSED_RESULT opus_int32 opus_projection_ambisonics_encoder_get_size(
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int channels,
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int mapping_family
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);
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/** Allocates and initializes a projection encoder state.
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* Call opus_projection_encoder_destroy() to release
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* this object when finished.
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* @param Fs <tt>opus_int32</tt>: Sampling rate of the input signal (in Hz).
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* This must be one of 8000, 12000, 16000,
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* 24000, or 48000.
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* @param channels <tt>int</tt>: Number of channels in the input signal.
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* This must be at most 255.
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* It may be greater than the number of
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* coded channels (<code>streams +
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* coupled_streams</code>).
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* @param mapping_family <tt>int</tt>: The mapping family to use for selecting
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* the appropriate projection.
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* @param[out] streams <tt>int *</tt>: The total number of streams that will
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* be encoded from the input.
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* @param[out] coupled_streams <tt>int *</tt>: Number of coupled (2 channel)
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* streams that will be encoded from the input.
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* @param application <tt>int</tt>: The target encoder application.
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* This must be one of the following:
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* <dl>
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* <dt>#OPUS_APPLICATION_VOIP</dt>
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* <dd>Process signal for improved speech intelligibility.</dd>
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* <dt>#OPUS_APPLICATION_AUDIO</dt>
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* <dd>Favor faithfulness to the original input.</dd>
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* <dt>#OPUS_APPLICATION_RESTRICTED_LOWDELAY</dt>
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* <dd>Configure the minimum possible coding delay by disabling certain modes
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* of operation.</dd>
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* </dl>
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* @param[out] error <tt>int *</tt>: Returns #OPUS_OK on success, or an error
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* code (see @ref opus_errorcodes) on
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* failure.
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*/
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OPUS_EXPORT OPUS_WARN_UNUSED_RESULT OpusProjectionEncoder *opus_projection_ambisonics_encoder_create(
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opus_int32 Fs,
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int channels,
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int mapping_family,
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int *streams,
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int *coupled_streams,
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int application,
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int *error
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) OPUS_ARG_NONNULL(4) OPUS_ARG_NONNULL(5);
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/** Initialize a previously allocated projection encoder state.
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* The memory pointed to by \a st must be at least the size returned by
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* opus_projection_ambisonics_encoder_get_size().
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* This is intended for applications which use their own allocator instead of
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* malloc.
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* To reset a previously initialized state, use the #OPUS_RESET_STATE CTL.
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* @see opus_projection_ambisonics_encoder_create
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* @see opus_projection_ambisonics_encoder_get_size
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* @param st <tt>OpusProjectionEncoder*</tt>: Projection encoder state to initialize.
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* @param Fs <tt>opus_int32</tt>: Sampling rate of the input signal (in Hz).
|
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* This must be one of 8000, 12000, 16000,
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* 24000, or 48000.
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* @param channels <tt>int</tt>: Number of channels in the input signal.
|
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* This must be at most 255.
|
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* It may be greater than the number of
|
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* coded channels (<code>streams +
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* coupled_streams</code>).
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* @param streams <tt>int</tt>: The total number of streams to encode from the
|
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* input.
|
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* This must be no more than the number of channels.
|
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* @param coupled_streams <tt>int</tt>: Number of coupled (2 channel) streams
|
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* to encode.
|
||||
* This must be no larger than the total
|
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* number of streams.
|
||||
* Additionally, The total number of
|
||||
* encoded channels (<code>streams +
|
||||
* coupled_streams</code>) must be no
|
||||
* more than the number of input channels.
|
||||
* @param application <tt>int</tt>: The target encoder application.
|
||||
* This must be one of the following:
|
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* <dl>
|
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* <dt>#OPUS_APPLICATION_VOIP</dt>
|
||||
* <dd>Process signal for improved speech intelligibility.</dd>
|
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* <dt>#OPUS_APPLICATION_AUDIO</dt>
|
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* <dd>Favor faithfulness to the original input.</dd>
|
||||
* <dt>#OPUS_APPLICATION_RESTRICTED_LOWDELAY</dt>
|
||||
* <dd>Configure the minimum possible coding delay by disabling certain modes
|
||||
* of operation.</dd>
|
||||
* </dl>
|
||||
* @returns #OPUS_OK on success, or an error code (see @ref opus_errorcodes)
|
||||
* on failure.
|
||||
*/
|
||||
OPUS_EXPORT int opus_projection_ambisonics_encoder_init(
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OpusProjectionEncoder *st,
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||||
opus_int32 Fs,
|
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int channels,
|
||||
int mapping_family,
|
||||
int *streams,
|
||||
int *coupled_streams,
|
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int application
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||||
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(5) OPUS_ARG_NONNULL(6);
|
||||
|
||||
|
||||
/** Encodes a projection Opus frame.
|
||||
* @param st <tt>OpusProjectionEncoder*</tt>: Projection encoder state.
|
||||
* @param[in] pcm <tt>const opus_int16*</tt>: The input signal as interleaved
|
||||
* samples.
|
||||
* This must contain
|
||||
* <code>frame_size*channels</code>
|
||||
* samples.
|
||||
* @param frame_size <tt>int</tt>: Number of samples per channel in the input
|
||||
* signal.
|
||||
* This must be an Opus frame size for the
|
||||
* encoder's sampling rate.
|
||||
* For example, at 48 kHz the permitted values
|
||||
* are 120, 240, 480, 960, 1920, and 2880.
|
||||
* Passing in a duration of less than 10 ms
|
||||
* (480 samples at 48 kHz) will prevent the
|
||||
* encoder from using the LPC or hybrid modes.
|
||||
* @param[out] data <tt>unsigned char*</tt>: Output payload.
|
||||
* This must contain storage for at
|
||||
* least \a max_data_bytes.
|
||||
* @param [in] max_data_bytes <tt>opus_int32</tt>: Size of the allocated
|
||||
* memory for the output
|
||||
* payload. This may be
|
||||
* used to impose an upper limit on
|
||||
* the instant bitrate, but should
|
||||
* not be used as the only bitrate
|
||||
* control. Use #OPUS_SET_BITRATE to
|
||||
* control the bitrate.
|
||||
* @returns The length of the encoded packet (in bytes) on success or a
|
||||
* negative error code (see @ref opus_errorcodes) on failure.
|
||||
*/
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||||
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_projection_encode(
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||||
OpusProjectionEncoder *st,
|
||||
const opus_int16 *pcm,
|
||||
int frame_size,
|
||||
unsigned char *data,
|
||||
opus_int32 max_data_bytes
|
||||
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(2) OPUS_ARG_NONNULL(4);
|
||||
|
||||
|
||||
/** Encodes a projection Opus frame from floating point input.
|
||||
* @param st <tt>OpusProjectionEncoder*</tt>: Projection encoder state.
|
||||
* @param[in] pcm <tt>const float*</tt>: The input signal as interleaved
|
||||
* samples with a normal range of
|
||||
* +/-1.0.
|
||||
* Samples with a range beyond +/-1.0
|
||||
* are supported but will be clipped by
|
||||
* decoders using the integer API and
|
||||
* should only be used if it is known
|
||||
* that the far end supports extended
|
||||
* dynamic range.
|
||||
* This must contain
|
||||
* <code>frame_size*channels</code>
|
||||
* samples.
|
||||
* @param frame_size <tt>int</tt>: Number of samples per channel in the input
|
||||
* signal.
|
||||
* This must be an Opus frame size for the
|
||||
* encoder's sampling rate.
|
||||
* For example, at 48 kHz the permitted values
|
||||
* are 120, 240, 480, 960, 1920, and 2880.
|
||||
* Passing in a duration of less than 10 ms
|
||||
* (480 samples at 48 kHz) will prevent the
|
||||
* encoder from using the LPC or hybrid modes.
|
||||
* @param[out] data <tt>unsigned char*</tt>: Output payload.
|
||||
* This must contain storage for at
|
||||
* least \a max_data_bytes.
|
||||
* @param [in] max_data_bytes <tt>opus_int32</tt>: Size of the allocated
|
||||
* memory for the output
|
||||
* payload. This may be
|
||||
* used to impose an upper limit on
|
||||
* the instant bitrate, but should
|
||||
* not be used as the only bitrate
|
||||
* control. Use #OPUS_SET_BITRATE to
|
||||
* control the bitrate.
|
||||
* @returns The length of the encoded packet (in bytes) on success or a
|
||||
* negative error code (see @ref opus_errorcodes) on failure.
|
||||
*/
|
||||
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_projection_encode_float(
|
||||
OpusProjectionEncoder *st,
|
||||
const float *pcm,
|
||||
int frame_size,
|
||||
unsigned char *data,
|
||||
opus_int32 max_data_bytes
|
||||
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(2) OPUS_ARG_NONNULL(4);
|
||||
|
||||
|
||||
/** Frees an <code>OpusProjectionEncoder</code> allocated by
|
||||
* opus_projection_ambisonics_encoder_create().
|
||||
* @param st <tt>OpusProjectionEncoder*</tt>: Projection encoder state to be freed.
|
||||
*/
|
||||
OPUS_EXPORT void opus_projection_encoder_destroy(OpusProjectionEncoder *st);
|
||||
|
||||
|
||||
/** Perform a CTL function on a projection Opus encoder.
|
||||
*
|
||||
* Generally the request and subsequent arguments are generated by a
|
||||
* convenience macro.
|
||||
* @param st <tt>OpusProjectionEncoder*</tt>: Projection encoder state.
|
||||
* @param request This and all remaining parameters should be replaced by one
|
||||
* of the convenience macros in @ref opus_genericctls,
|
||||
* @ref opus_encoderctls, @ref opus_multistream_ctls, or
|
||||
* @ref opus_projection_ctls
|
||||
* @see opus_genericctls
|
||||
* @see opus_encoderctls
|
||||
* @see opus_multistream_ctls
|
||||
* @see opus_projection_ctls
|
||||
*/
|
||||
OPUS_EXPORT int opus_projection_encoder_ctl(OpusProjectionEncoder *st, int request, ...) OPUS_ARG_NONNULL(1);
|
||||
|
||||
|
||||
/**@}*/
|
||||
|
||||
/**\name Projection decoder functions */
|
||||
/**@{*/
|
||||
|
||||
/** Gets the size of an <code>OpusProjectionDecoder</code> structure.
|
||||
* @param channels <tt>int</tt>: The total number of output channels.
|
||||
* This must be no more than 255.
|
||||
* @param streams <tt>int</tt>: The total number of streams coded in the
|
||||
* input.
|
||||
* This must be no more than 255.
|
||||
* @param coupled_streams <tt>int</tt>: Number streams to decode as coupled
|
||||
* (2 channel) streams.
|
||||
* This must be no larger than the total
|
||||
* number of streams.
|
||||
* Additionally, The total number of
|
||||
* coded channels (<code>streams +
|
||||
* coupled_streams</code>) must be no
|
||||
* more than 255.
|
||||
* @returns The size in bytes on success, or a negative error code
|
||||
* (see @ref opus_errorcodes) on error.
|
||||
*/
|
||||
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT opus_int32 opus_projection_decoder_get_size(
|
||||
int channels,
|
||||
int streams,
|
||||
int coupled_streams
|
||||
);
|
||||
|
||||
|
||||
/** Allocates and initializes a projection decoder state.
|
||||
* Call opus_projection_decoder_destroy() to release
|
||||
* this object when finished.
|
||||
* @param Fs <tt>opus_int32</tt>: Sampling rate to decode at (in Hz).
|
||||
* This must be one of 8000, 12000, 16000,
|
||||
* 24000, or 48000.
|
||||
* @param channels <tt>int</tt>: Number of channels to output.
|
||||
* This must be at most 255.
|
||||
* It may be different from the number of coded
|
||||
* channels (<code>streams +
|
||||
* coupled_streams</code>).
|
||||
* @param streams <tt>int</tt>: The total number of streams coded in the
|
||||
* input.
|
||||
* This must be no more than 255.
|
||||
* @param coupled_streams <tt>int</tt>: Number of streams to decode as coupled
|
||||
* (2 channel) streams.
|
||||
* This must be no larger than the total
|
||||
* number of streams.
|
||||
* Additionally, The total number of
|
||||
* coded channels (<code>streams +
|
||||
* coupled_streams</code>) must be no
|
||||
* more than 255.
|
||||
* @param[in] demixing_matrix <tt>const unsigned char[demixing_matrix_size]</tt>: Demixing matrix
|
||||
* that mapping from coded channels to output channels,
|
||||
* as described in @ref opus_projection and
|
||||
* @ref opus_projection_ctls.
|
||||
* @param demixing_matrix_size <tt>opus_int32</tt>: The size in bytes of the
|
||||
* demixing matrix, as
|
||||
* described in @ref
|
||||
* opus_projection_ctls.
|
||||
* @param[out] error <tt>int *</tt>: Returns #OPUS_OK on success, or an error
|
||||
* code (see @ref opus_errorcodes) on
|
||||
* failure.
|
||||
*/
|
||||
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT OpusProjectionDecoder *opus_projection_decoder_create(
|
||||
opus_int32 Fs,
|
||||
int channels,
|
||||
int streams,
|
||||
int coupled_streams,
|
||||
unsigned char *demixing_matrix,
|
||||
opus_int32 demixing_matrix_size,
|
||||
int *error
|
||||
) OPUS_ARG_NONNULL(5);
|
||||
|
||||
|
||||
/** Intialize a previously allocated projection decoder state object.
|
||||
* The memory pointed to by \a st must be at least the size returned by
|
||||
* opus_projection_decoder_get_size().
|
||||
* This is intended for applications which use their own allocator instead of
|
||||
* malloc.
|
||||
* To reset a previously initialized state, use the #OPUS_RESET_STATE CTL.
|
||||
* @see opus_projection_decoder_create
|
||||
* @see opus_projection_deocder_get_size
|
||||
* @param st <tt>OpusProjectionDecoder*</tt>: Projection encoder state to initialize.
|
||||
* @param Fs <tt>opus_int32</tt>: Sampling rate to decode at (in Hz).
|
||||
* This must be one of 8000, 12000, 16000,
|
||||
* 24000, or 48000.
|
||||
* @param channels <tt>int</tt>: Number of channels to output.
|
||||
* This must be at most 255.
|
||||
* It may be different from the number of coded
|
||||
* channels (<code>streams +
|
||||
* coupled_streams</code>).
|
||||
* @param streams <tt>int</tt>: The total number of streams coded in the
|
||||
* input.
|
||||
* This must be no more than 255.
|
||||
* @param coupled_streams <tt>int</tt>: Number of streams to decode as coupled
|
||||
* (2 channel) streams.
|
||||
* This must be no larger than the total
|
||||
* number of streams.
|
||||
* Additionally, The total number of
|
||||
* coded channels (<code>streams +
|
||||
* coupled_streams</code>) must be no
|
||||
* more than 255.
|
||||
* @param[in] demixing_matrix <tt>const unsigned char[demixing_matrix_size]</tt>: Demixing matrix
|
||||
* that mapping from coded channels to output channels,
|
||||
* as described in @ref opus_projection and
|
||||
* @ref opus_projection_ctls.
|
||||
* @param demixing_matrix_size <tt>opus_int32</tt>: The size in bytes of the
|
||||
* demixing matrix, as
|
||||
* described in @ref
|
||||
* opus_projection_ctls.
|
||||
* @returns #OPUS_OK on success, or an error code (see @ref opus_errorcodes)
|
||||
* on failure.
|
||||
*/
|
||||
OPUS_EXPORT int opus_projection_decoder_init(
|
||||
OpusProjectionDecoder *st,
|
||||
opus_int32 Fs,
|
||||
int channels,
|
||||
int streams,
|
||||
int coupled_streams,
|
||||
unsigned char *demixing_matrix,
|
||||
opus_int32 demixing_matrix_size
|
||||
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(6);
|
||||
|
||||
|
||||
/** Decode a projection Opus packet.
|
||||
* @param st <tt>OpusProjectionDecoder*</tt>: Projection decoder state.
|
||||
* @param[in] data <tt>const unsigned char*</tt>: Input payload.
|
||||
* Use a <code>NULL</code>
|
||||
* pointer to indicate packet
|
||||
* loss.
|
||||
* @param len <tt>opus_int32</tt>: Number of bytes in payload.
|
||||
* @param[out] pcm <tt>opus_int16*</tt>: Output signal, with interleaved
|
||||
* samples.
|
||||
* This must contain room for
|
||||
* <code>frame_size*channels</code>
|
||||
* samples.
|
||||
* @param frame_size <tt>int</tt>: The number of samples per channel of
|
||||
* available space in \a pcm.
|
||||
* If this is less than the maximum packet duration
|
||||
* (120 ms; 5760 for 48kHz), this function will not be capable
|
||||
* of decoding some packets. In the case of PLC (data==NULL)
|
||||
* or FEC (decode_fec=1), then frame_size needs to be exactly
|
||||
* the duration of audio that is missing, otherwise the
|
||||
* decoder will not be in the optimal state to decode the
|
||||
* next incoming packet. For the PLC and FEC cases, frame_size
|
||||
* <b>must</b> be a multiple of 2.5 ms.
|
||||
* @param decode_fec <tt>int</tt>: Flag (0 or 1) to request that any in-band
|
||||
* forward error correction data be decoded.
|
||||
* If no such data is available, the frame is
|
||||
* decoded as if it were lost.
|
||||
* @returns Number of samples decoded on success or a negative error code
|
||||
* (see @ref opus_errorcodes) on failure.
|
||||
*/
|
||||
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_projection_decode(
|
||||
OpusProjectionDecoder *st,
|
||||
const unsigned char *data,
|
||||
opus_int32 len,
|
||||
opus_int16 *pcm,
|
||||
int frame_size,
|
||||
int decode_fec
|
||||
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(4);
|
||||
|
||||
|
||||
/** Decode a projection Opus packet with floating point output.
|
||||
* @param st <tt>OpusProjectionDecoder*</tt>: Projection decoder state.
|
||||
* @param[in] data <tt>const unsigned char*</tt>: Input payload.
|
||||
* Use a <code>NULL</code>
|
||||
* pointer to indicate packet
|
||||
* loss.
|
||||
* @param len <tt>opus_int32</tt>: Number of bytes in payload.
|
||||
* @param[out] pcm <tt>opus_int16*</tt>: Output signal, with interleaved
|
||||
* samples.
|
||||
* This must contain room for
|
||||
* <code>frame_size*channels</code>
|
||||
* samples.
|
||||
* @param frame_size <tt>int</tt>: The number of samples per channel of
|
||||
* available space in \a pcm.
|
||||
* If this is less than the maximum packet duration
|
||||
* (120 ms; 5760 for 48kHz), this function will not be capable
|
||||
* of decoding some packets. In the case of PLC (data==NULL)
|
||||
* or FEC (decode_fec=1), then frame_size needs to be exactly
|
||||
* the duration of audio that is missing, otherwise the
|
||||
* decoder will not be in the optimal state to decode the
|
||||
* next incoming packet. For the PLC and FEC cases, frame_size
|
||||
* <b>must</b> be a multiple of 2.5 ms.
|
||||
* @param decode_fec <tt>int</tt>: Flag (0 or 1) to request that any in-band
|
||||
* forward error correction data be decoded.
|
||||
* If no such data is available, the frame is
|
||||
* decoded as if it were lost.
|
||||
* @returns Number of samples decoded on success or a negative error code
|
||||
* (see @ref opus_errorcodes) on failure.
|
||||
*/
|
||||
OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_projection_decode_float(
|
||||
OpusProjectionDecoder *st,
|
||||
const unsigned char *data,
|
||||
opus_int32 len,
|
||||
float *pcm,
|
||||
int frame_size,
|
||||
int decode_fec
|
||||
) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(4);
|
||||
|
||||
|
||||
/** Perform a CTL function on a projection Opus decoder.
|
||||
*
|
||||
* Generally the request and subsequent arguments are generated by a
|
||||
* convenience macro.
|
||||
* @param st <tt>OpusProjectionDecoder*</tt>: Projection decoder state.
|
||||
* @param request This and all remaining parameters should be replaced by one
|
||||
* of the convenience macros in @ref opus_genericctls,
|
||||
* @ref opus_decoderctls, @ref opus_multistream_ctls, or
|
||||
* @ref opus_projection_ctls.
|
||||
* @see opus_genericctls
|
||||
* @see opus_decoderctls
|
||||
* @see opus_multistream_ctls
|
||||
* @see opus_projection_ctls
|
||||
*/
|
||||
OPUS_EXPORT int opus_projection_decoder_ctl(OpusProjectionDecoder *st, int request, ...) OPUS_ARG_NONNULL(1);
|
||||
|
||||
|
||||
/** Frees an <code>OpusProjectionDecoder</code> allocated by
|
||||
* opus_projection_decoder_create().
|
||||
* @param st <tt>OpusProjectionDecoder</tt>: Projection decoder state to be freed.
|
||||
*/
|
||||
OPUS_EXPORT void opus_projection_decoder_destroy(OpusProjectionDecoder *st);
|
||||
|
||||
|
||||
/**@}*/
|
||||
|
||||
/**@}*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* OPUS_PROJECTION_H */
|
||||
@@ -33,14 +33,29 @@
|
||||
#ifndef OPUS_TYPES_H
|
||||
#define OPUS_TYPES_H
|
||||
|
||||
/* Use the real stdint.h if it's there (taken from Paul Hsieh's pstdint.h) */
|
||||
#if (defined(__STDC__) && __STDC__ && __STDC_VERSION__ >= 199901L) || (defined(__GNUC__) && (defined(_STDINT_H) || defined(_STDINT_H_)) || defined (HAVE_STDINT_H))
|
||||
#include <stdint.h>
|
||||
#define opus_int int /* used for counters etc; at least 16 bits */
|
||||
#define opus_int64 long long
|
||||
#define opus_int8 signed char
|
||||
|
||||
#define opus_uint unsigned int /* used for counters etc; at least 16 bits */
|
||||
#define opus_uint64 unsigned long long
|
||||
#define opus_uint8 unsigned char
|
||||
|
||||
/* Use the real stdint.h if it's there (taken from Paul Hsieh's pstdint.h) */
|
||||
#if (defined(__STDC__) && __STDC__ && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || (defined(__GNUC__) && (defined(_STDINT_H) || defined(_STDINT_H_)) || defined (HAVE_STDINT_H))
|
||||
#include <stdint.h>
|
||||
# undef opus_int64
|
||||
# undef opus_int8
|
||||
# undef opus_uint64
|
||||
# undef opus_uint8
|
||||
typedef int8_t opus_int8;
|
||||
typedef uint8_t opus_uint8;
|
||||
typedef int16_t opus_int16;
|
||||
typedef uint16_t opus_uint16;
|
||||
typedef int32_t opus_int32;
|
||||
typedef uint32_t opus_uint32;
|
||||
typedef int64_t opus_int64;
|
||||
typedef uint64_t opus_uint64;
|
||||
#elif defined(_WIN32)
|
||||
|
||||
# if defined(__CYGWIN__)
|
||||
@@ -148,12 +163,4 @@
|
||||
|
||||
#endif
|
||||
|
||||
#define opus_int int /* used for counters etc; at least 16 bits */
|
||||
#define opus_int64 long long
|
||||
#define opus_int8 signed char
|
||||
|
||||
#define opus_uint unsigned int /* used for counters etc; at least 16 bits */
|
||||
#define opus_uint64 unsigned long long
|
||||
#define opus_uint8 unsigned char
|
||||
|
||||
#endif /* OPUS_TYPES_H */
|
||||
|
||||
Binary file not shown.
Binary file not shown.
Reference in New Issue
Block a user