ref: 75ff53c70e7e2b8781dadd21a84be3056e1cde69
dir: /libcelt/opus_defines.h/
/* Copyright (c) 2010-2011 Xiph.Org Foundation, Skype Limited
Written by Jean-Marc Valin and Koen Vos */
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @file opus_defines.h
* @brief Opus reference implementation constants
*/
#ifndef OPUS_DEFINES_H
#define OPUS_DEFINES_H
#include "opus_types.h"
#ifdef __cplusplus
extern "C" {
#endif
/** \defgroup errorcodes Error codes
* @{
*/
/** No error @hideinitializer*/
#define OPUS_OK 0
/** One or more invalid/out of range arguments @hideinitializer*/
#define OPUS_BAD_ARG -1
/** The mode struct passed is invalid @hideinitializer*/
#define OPUS_BUFFER_TOO_SMALL -2
/** An internal error was detected @hideinitializer*/
#define OPUS_INTERNAL_ERROR -3
/** The compressed data passed is corrupted @hideinitializer*/
#define OPUS_INVALID_PACKET -4
/** Invalid/unsupported request number @hideinitializer*/
#define OPUS_UNIMPLEMENTED -5
/** An encoder or decoder structure is invalid or already freed @hideinitializer*/
#define OPUS_INVALID_STATE -6
/** Memory allocation has failed @hideinitializer*/
#define OPUS_ALLOC_FAIL -7
/**@}*/
/** \cond OPUS_INTERNAL_DOC */
/**Export control for opus functions */
#if defined(__GNUC__) && defined(OPUS_BUILD)
# define OPUS_EXPORT __attribute__ ((visibility ("default")))
#elif defined(WIN32)
# ifdef OPUS_BUILD
# define OPUS_EXPORT __declspec(dllexport)
# else
# define OPUS_EXPORT __declspec(dllimport)
# endif
#else
# define OPUS_EXPORT
#endif
/** These are the actual Encoder CTL ID numbers.
* They should not be used directly by applications. */
#define OPUS_SET_COMPLEXITY_REQUEST 4010
#define OPUS_GET_COMPLEXITY_REQUEST 4011
#define OPUS_SET_BITRATE_REQUEST 4002
#define OPUS_GET_BITRATE_REQUEST 4003
#define OPUS_SET_VBR_REQUEST 4006
#define OPUS_GET_VBR_REQUEST 4007
#define OPUS_SET_VBR_CONSTRAINT_REQUEST 4020
#define OPUS_GET_VBR_CONSTRAINT_REQUEST 4021
#define OPUS_SET_FORCE_MONO_REQUEST 4022
#define OPUS_GET_FORCE_MONO_REQUEST 4023
#define OPUS_SET_BANDWIDTH_REQUEST 4008
#define OPUS_GET_BANDWIDTH_REQUEST 4009
#define OPUS_SET_SIGNAL_REQUEST 4024
#define OPUS_GET_SIGNAL_REQUEST 4025
#define OPUS_SET_VOICE_RATIO_REQUEST 4018
#define OPUS_GET_VOICE_RATIO_REQUEST 4019
#define OPUS_SET_APPLICATION_REQUEST 4000
#define OPUS_GET_APPLICATION_REQUEST 4001
#define OPUS_GET_LOOKAHEAD_REQUEST 4027
#define OPUS_SET_INBAND_FEC_REQUEST 4012
#define OPUS_GET_INBAND_FEC_REQUEST 4013
#define OPUS_SET_PACKET_LOSS_PERC_REQUEST 4014
#define OPUS_GET_PACKET_LOSS_PERC_REQUEST 4015
#define OPUS_SET_DTX_REQUEST 4016
#define OPUS_GET_DTX_REQUEST 4017
#define OPUS_GET_FINAL_RANGE_REQUEST 4031
/* Macros to trigger compilation errors when the wrong types are provided to a CTL */
#define __opus_check_int(x) (((void)((x) == (opus_int32)0)), (opus_int32)(x))
#define __opus_check_int_ptr(ptr) ((ptr) + ((ptr) - (opus_int32*)(ptr)))
#define __opus_check_uint_ptr(ptr) ((ptr) + ((ptr) - (opus_uint32*)(ptr)))
/** \endcond */
/** \defgroup encoderctls Encoder related CTLs
* @see [opus_encoder_ctl]
* @{
*/
/** \cond DOXYGEN_EXCLUDE */
/* Values for the varrious encoder CTLs */
#define OPUS_BITRATE_AUTO -2 /**<Auto bitrate @hideinitializer*/
#define OPUS_BITRATE_MAX -1 /**<Maximum bitrate @hideinitializer*/
#define OPUS_APPLICATION_VOIP 2000
#define OPUS_APPLICATION_AUDIO 2001
#define OPUS_SIGNAL_AUTO 3000
#define OPUS_SIGNAL_VOICE 3001
#define OPUS_SIGNAL_MUSIC 3002
#define OPUS_BANDWIDTH_AUTO 1100 /**<Automatic bandpass @hideinitializer*/
#define OPUS_BANDWIDTH_NARROWBAND 1101 /**< 4kHz bandpass @hideinitializer*/
#define OPUS_BANDWIDTH_MEDIUMBAND 1102 /**< 6kHz bandpass @hideinitializer*/
#define OPUS_BANDWIDTH_WIDEBAND 1103 /**< 8kHz bandpass @hideinitializer*/
#define OPUS_BANDWIDTH_SUPERWIDEBAND 1104 /**<12kHz bandpass @hideinitializer*/
#define OPUS_BANDWIDTH_FULLBAND 1105 /**<24kHz bandpass @hideinitializer*/
/** \endcond */
/** Configures the encoder's computational complexity.
* The supported range is 0-10 inclusive with 10 representing the highest complexity.
* The default value is inconsistent between modes
* @todo Complexity is inconsistent between modes
* \param[in] x <tt>int</tt>: 0-10, inclusive
* @hideinitializer */
#define OPUS_SET_COMPLEXITY(x) OPUS_SET_COMPLEXITY_REQUEST, __opus_check_int(x)
/** Gets the encoder's complexity configuration, @see [OPUS_SET_COMPLEXITY]
* \param[out] x <tt>int*</tt>: 0-10, inclusive
* @hideinitializer */
#define OPUS_GET_COMPLEXITY(x) OPUS_GET_COMPLEXITY_REQUEST, __opus_check_int_ptr(x)
/** Configures the bitrate in the encoder.
* Rates from 500 to 512000 bits per second are meaningful as well as the
* special values OPUS_BITRATE_AUTO and OPUS_BITRATE_MAX.
* The value OPUS_BITRATE_MAX can be used to cause the codec to use as much rate
* as it can, which is useful for controlling the rate by adjusting the output
* buffer size.
* \param[in] x <tt>opus_int32</tt>: bitrate in bits per second.
* @hideinitializer */
#define OPUS_SET_BITRATE(x) OPUS_SET_BITRATE_REQUEST, __opus_check_int(x)
/** Gets the encoder's bitrate configuration, @see [OPUS_SET_BITRATE]
* \param[out] x <tt>opus_int32*</tt>: bitrate in bits per second.
* @hideinitializer */
#define OPUS_GET_BITRATE(x) OPUS_GET_BITRATE_REQUEST, __opus_check_int_ptr(x)
/** Configures VBR in the encoder.
* The following values are currently supported:
* - 0 CBR (default)
* - 1 VBR
* The configured bitrate may not be met exactly because frames must
* be an integer number of bytes in length.
* @warning Only the MDCT mode of Opus can provide hard CBR behavior.
* \param[in] x <tt>int</tt>: 0 (default); 1
* @hideinitializer */
#define OPUS_SET_VBR(x) OPUS_SET_VBR_REQUEST, __opus_check_int(x)
/** Gets the encoder's VBR configuration, @see [OPUS_SET_VBR]
* \param[out] x <tt>int*</tt>: 0; 1
* @hideinitializer */
#define OPUS_GET_VBR(x) OPUS_GET_VBR_REQUEST, __opus_check_int_ptr(x)
/** Configures constrained VBR in the encoder.
* The following values are currently supported:
* - 0 Unconstrained VBR
* - 1 Maximum one frame buffering delay assuming transport with a serialization speed of the nominal bitrate (default)
* This setting is irrelevant when the encoder is in CBR mode.
* @warning Only the MDCT mode of Opus currently heeds the constraint.
* Speech mode ignores it completely, hybrid mode may fail to obey it
* if the LPC layer uses more bitrate than the constraint would have
* permitted.
* \param[in] x <tt>int</tt>: 0; 1 (default)
* @hideinitializer */
#define OPUS_SET_VBR_CONSTRAINT(x) OPUS_SET_VBR_CONSTRAINT_REQUEST, __opus_check_int(x)
/** Gets the encoder's constrained VBR configuration @see [OPUS_SET_VBR_CONSTRAINT]
* \param[out] x <tt>int*</tt>: 0; 1
* @hideinitializer */
#define OPUS_GET_VBR_CONSTRAINT(x) OPUS_GET_VBR_CONSTRAINT_REQUEST, __opus_check_int_ptr(x)
/** Configures mono forcing in the encoder.
* This is useful when the caller knows that the input signal is currently a mono
* source embedded in a stereo stream.
* \param[in] x <tt>int</tt>: 0 (default); 1 (forced mono)
* @hideinitializer */
#define OPUS_SET_FORCE_MONO(x) OPUS_SET_FORCE_MONO_REQUEST, __opus_check_int(x)
/** Gets the encoder's forced mono configuration, @see [OPUS_SET_FORCE_MONO]
* \param[out] x <tt>int*</tt>: 0; 1
* @hideinitializer */
#define OPUS_GET_FORCE_MONO(x) OPUS_GET_FORCE_MONO_REQUEST, __opus_check_int_ptr(x)
/** Configures the encoder's bandpass.
* The supported values are:
* - OPUS_BANDWIDTH_AUTO (default)
* - OPUS_BANDWIDTH_NARROWBAND 4kHz passband
* - OPUS_BANDWIDTH_MEDIUMBAND 6kHz passband
* - OPUS_BANDWIDTH_WIDEBAND 8kHz passband
* - OPUS_BANDWIDTH_SUPERWIDEBAND 12kHz passband
* - OPUS_BANDWIDTH_FULLBAND 24kHz passband
* \param[in] x <tt>int</tt>: Bandwidth value
* @hideinitializer */
#define OPUS_SET_BANDWIDTH(x) OPUS_SET_BANDWIDTH_REQUEST, __opus_check_int(x)
/** Gets the encoder's configured bandpass, @see [OPUS_SET_BANDWIDTH]
* \param[out] x <tt>int*</tt>: Bandwidth value
* @hideinitializer */
#define OPUS_GET_BANDWIDTH(x) OPUS_GET_BANDWIDTH_REQUEST, __opus_check_int_ptr(x)
/** Configures the type of signal being encoded.
* This is a hint which helps the encoder's mode selection.
* The supported values are:
* - OPUS_SIGNAL_AUTO (default)
* - OPUS_SIGNAL_VOICE
* - OPUS_SIGNAL_MUSIC
* \param[in] x <tt>int</tt>: Signal type
* @hideinitializer */
#define OPUS_SET_SIGNAL(x) OPUS_SET_SIGNAL_REQUEST, __opus_check_int(x)
/** Gets the encoder's configured signal type, @see [OPUS_SET_SIGNAL]
*
* \param[out] x <tt>int*</tt>: Signal type
* @hideinitializer */
#define OPUS_GET_SIGNAL(x) OPUS_GET_SIGNAL_REQUEST, __opus_check_int_ptr(x)
/** Configures the encoder's expected percentage of voice
* opposed to music or other signals.
*
* @note This interface is currently more aspiration than actuality. It's
* ultimately expected to bias an automatic signal classifier, but it currently
* just shifts the static bitrate to mode mapping around a little bit.
*
* \param[in] x <tt>int</tt>: Voice percentage in the range 0-100, inclusive.
* @hideinitializer */
#define OPUS_SET_VOICE_RATIO(x) OPUS_SET_VOICE_RATIO_REQUEST, __opus_check_int(x)
/** Gets the encoder's configured voice ratio value, @see [OPUS_SET_VOICE_RATIO]
*
* \param[out] x <tt>int*</tt>: Voice percentage in the range 0-100, inclusive.
* @hideinitializer */
#define OPUS_GET_VOICE_RATIO(x) OPUS_GET_VOICE_RATIO_REQUEST, __opus_check_int_ptr(x)
/** Configures the encoder's intended application.
* The initial value is a mandatory argument to the encoder_create function.
* The supported values are:
* - OPUS_APPLICATION_VOIP Process signal for improved speech intelligibility
* - OPUS_APPLICATION_AUDIO Favor faithfulness to the original input
* \param[in] x <tt>int</tt>: Application value
* @hideinitializer */
#define OPUS_SET_APPLICATION(x) OPUS_SET_APPLICATION_REQUEST, __opus_check_int(x)
/** Gets the encoder's configured application, @see [OPUS_SET_APPLICATION]
*
* \param[out] x <tt>int*</tt>: Application value
* @hideinitializer */
#define OPUS_GET_APPLICATION(x) OPUS_GET_APPLICATION_REQUEST, __opus_check_int_ptr(x)
/** Gets the total samples of delay added by the entire codec.
* This can be queried by the encoder and then the provided number of samples can be
* skipped on from the start of the decoder's output to provide time aligned input
* and output. From the perspective of a decoding application the real data begins this many
* samples late.
*
* The decoder contribution to this delay is identical for all decoders, but the
* encoder portion of the delay may vary from implementation to implementation,
* version to version, or even depend on the encoder's initial configuration.
* Applications needing delay compensation should call this CTL rather than
* hard-coding a value.
* \param[out] x <tt>int*</tt>: Number of lookahead samples
* @hideinitializer */
#define OPUS_GET_LOOKAHEAD(x) OPUS_GET_LOOKAHEAD_REQUEST, __opus_check_int_ptr(x)
/** Configures the encoder's use of inband forward error correction.
* @note This is only applicable to the LPC layer
*
* \param[in] x <tt>int</tt>: FEC flag, 0 (disabled) is default
* @hideinitializer */
#define OPUS_SET_INBAND_FEC(x) OPUS_SET_INBAND_FEC_REQUEST, __opus_check_int(x)
/** Gets encoder's configured use of inband forward error correction, @see [OPUS_SET_INBAND_FEC]
*
* \param[out] x <tt>int*</tt>: FEC flag
* @hideinitializer */
#define OPUS_GET_INBAND_FEC(x) OPUS_GET_INBAND_FEC_REQUEST, __opus_check_int_ptr(x)
/** Configures the encoder's expected packet loss percentage.
* Higher values with trigger progressively more loss resistant behavior in the encoder
* at the expense of quality at a given bitrate in the lossless case, but greater quality
* under loss.
*
* \param[in] x <tt>int</tt>: Loss percentage in the range 0-100, inclusive.
* @hideinitializer */
#define OPUS_SET_PACKET_LOSS_PERC(x) OPUS_SET_PACKET_LOSS_PERC_REQUEST, __opus_check_int(x)
/** Gets the encoder's configured packet loss percentage, @see [OPUS_SET_PACKET_LOSS_PERC]
*
* \param[out] x <tt>int*</tt>: Loss percentage in the range 0-100, inclusive.
* @hideinitializer */
#define OPUS_GET_PACKET_LOSS_PERC(x) OPUS_GET_PACKET_LOSS_PERC_REQUEST, __opus_check_int_ptr(x)
/** Configures the encoder's use of discontinuous transmission.
* @note This is only applicable to the LPC layer
*
* \param[in] x <tt>int</tt>: DTX flag, 0 (disabled) is default
* @hideinitializer */
#define OPUS_SET_DTX(x) OPUS_SET_DTX_REQUEST, __opus_check_int(x)
/** Gets encoder's configured use of discontinuous transmission, @see [OPUS_SET_DTX]
*
* \param[out] x <tt>int*</tt>: DTX flag
* @hideinitializer */
#define OPUS_GET_DTX(x) OPUS_GET_DTX_REQUEST, __opus_check_int_ptr(x)
/**@}*/
/** \defgroup genericctls Generic CTLs
* @see [opus_encoder_ctl,opus_decoder_ctl]
* @{
*/
/** Resets the codec state to be equivalent to a freshly initialized state.
* This should be called when switching streams in order to prevent
* the back to back decoding from giving different results from
* one at a time decoding.
* @hideinitializer */
#define OPUS_RESET_STATE 4028
/** Gets the final state of the codec's entropy coder.
* This is used for testing purposes,
* The encoder and decoder state should be identical after coding a payload
* (assuming no data corruption or software bugs)
*
* \param[out] x <tt>opus_int32*</tt>: Entropy coder state
*
* @hideinitializer */
#define OPUS_GET_FINAL_RANGE(x) OPUS_GET_FINAL_RANGE_REQUEST, __opus_check_uint_ptr(x)
/**@}*/
/** \defgroup libinfo Opus library information functions
* @{
*/
/** Converts an opus error code into a human readable string.
*
* \param[in] error <tt>int</tt>: Error number
* \retval Error string
*/
OPUS_EXPORT const char *opus_strerror(int error);
/** Gets the libopus version string.
*
* \retval Version string
*/
OPUS_EXPORT const char *opus_get_version_string(void);
/**@}*/
#ifdef __cplusplus
}
#endif
#endif /* OPUS_DEFINES_H */