Opus audio codec (RFC 6716): API and operations manual
1.1.2

Macros | Functions
opus_defines.h File Reference

Opus reference implementation constants. More...

`#include "opus_types.h"`

Go to the source code of this file.

## Macros

#define | OPUS_OK
| No error. More...
#define | OPUS_BAD_ARG
| One or more invalid/out of range arguments. More...
#define | OPUS_BUFFER_TOO_SMALL
| Not enough bytes allocated in the buffer. More...
#define | OPUS_INTERNAL_ERROR
| An internal error was detected. More...
#define | OPUS_INVALID_PACKET
| The compressed data passed is corrupted. More...
#define | OPUS_UNIMPLEMENTED
| Invalid/unsupported request number. More...
#define | OPUS_INVALID_STATE
| An encoder or decoder structure is invalid or already freed. More...
#define | OPUS_ALLOC_FAIL
| Memory allocation has failed. More...
#define | OPUS_AUTO
| Auto/default setting. More...
#define | OPUS_BITRATE_MAX
| Maximum bitrate. More...
#define | OPUS_APPLICATION_VOIP
| Best for most VoIP/videoconference applications where listening quality and intelligibility matter most. More...
#define | OPUS_APPLICATION_AUDIO
| Best for broadcast/high-fidelity application where the decoded audio should be as close as possible to the input. More...
#define | OPUS_APPLICATION_RESTRICTED_LOWDELAY
| Only use when lowest-achievable latency is what matters most. More...
#define | OPUS_SIGNAL_VOICE 3001
| Signal being encoded is voice. More...
#define | OPUS_SIGNAL_MUSIC 3002
| Signal being encoded is music. More...
#define | OPUS_BANDWIDTH_NARROWBAND
| 4 kHz bandpass More...
#define | OPUS_BANDWIDTH_MEDIUMBAND
| 6 kHz bandpass More...
#define | OPUS_BANDWIDTH_WIDEBAND
| 8 kHz bandpass More...
#define | OPUS_BANDWIDTH_SUPERWIDEBAND
| 12 kHz bandpass More...
#define | OPUS_BANDWIDTH_FULLBAND
| 20 kHz bandpass More...
#define | OPUS_FRAMESIZE_ARG 5000
| Select frame size from the argument (default) More...
#define | OPUS_FRAMESIZE_2_5_MS 5001
| Use 2.5 ms frames. More...
#define | OPUS_FRAMESIZE_5_MS 5002
| Use 5 ms frames. More...
#define | OPUS_FRAMESIZE_10_MS 5003
| Use 10 ms frames. More...
#define | OPUS_FRAMESIZE_20_MS 5004
| Use 20 ms frames. More...
#define | OPUS_FRAMESIZE_40_MS 5005
| Use 40 ms frames. More...
#define | OPUS_FRAMESIZE_60_MS 5006
| Use 60 ms frames. More...
#define | OPUS_SET_COMPLEXITY(x)
| Configures the encoder's computational complexity. More...
#define | OPUS_GET_COMPLEXITY(x)
| Gets the encoder's complexity configuration. More...
#define | OPUS_SET_BITRATE(x)
| Configures the bitrate in the encoder. More...
#define | OPUS_GET_BITRATE(x)
| Gets the encoder's bitrate configuration. More...
#define | OPUS_SET_VBR(x)
| Enables or disables variable bitrate (VBR) in the encoder. More...
#define | OPUS_GET_VBR(x)
| Determine if variable bitrate (VBR) is enabled in the encoder. More...
#define | OPUS_SET_VBR_CONSTRAINT(x)
| Enables or disables constrained VBR in the encoder. More...
#define | OPUS_GET_VBR_CONSTRAINT(x)
| Determine if constrained VBR is enabled in the encoder. More...
#define | OPUS_SET_FORCE_CHANNELS(x)
| Configures mono/stereo forcing in the encoder. More...
#define | OPUS_GET_FORCE_CHANNELS(x)
| Gets the encoder's forced channel configuration. More...
#define | OPUS_SET_MAX_BANDWIDTH(x)
| Configures the maximum bandpass that the encoder will select automatically. More...
#define | OPUS_GET_MAX_BANDWIDTH(x)
| Gets the encoder's configured maximum allowed bandpass. More...
#define | OPUS_SET_BANDWIDTH(x)
| Sets the encoder's bandpass to a specific value. More...
#define | OPUS_SET_SIGNAL(x)
| Configures the type of signal being encoded. More...
#define | OPUS_GET_SIGNAL(x)
| Gets the encoder's configured signal type. More...
#define | OPUS_SET_APPLICATION(x)
| Configures the encoder's intended application. More...
#define | OPUS_GET_APPLICATION(x)
| Gets the encoder's configured application. More...
#define | OPUS_GET_LOOKAHEAD(x)
| Gets the total samples of delay added by the entire codec. More...
#define | OPUS_SET_INBAND_FEC(x)
| Configures the encoder's use of inband forward error correction (FEC). More...
#define | OPUS_GET_INBAND_FEC(x)
| Gets encoder's configured use of inband forward error correction. More...
#define | OPUS_SET_PACKET_LOSS_PERC(x)
| Configures the encoder's expected packet loss percentage. More...
#define | OPUS_GET_PACKET_LOSS_PERC(x)
| Gets the encoder's configured packet loss percentage. More...
#define | OPUS_SET_DTX(x)
| Configures the encoder's use of discontinuous transmission (DTX). More...
#define | OPUS_GET_DTX(x)
| Gets encoder's configured use of discontinuous transmission. More...
#define | OPUS_SET_LSB_DEPTH(x)
| Configures the depth of signal being encoded. More...
#define | OPUS_GET_LSB_DEPTH(x)
| Gets the encoder's configured signal depth. More...
#define | OPUS_SET_EXPERT_FRAME_DURATION(x)
| Configures the encoder's use of variable duration frames. More...
#define | OPUS_GET_EXPERT_FRAME_DURATION(x)
| Gets the encoder's configured use of variable duration frames. More...
#define | OPUS_SET_PREDICTION_DISABLED(x)
| If set to 1, disables almost all use of prediction, making frames almost completely independent. More...
#define | OPUS_GET_PREDICTION_DISABLED(x)
| Gets the encoder's configured prediction status. More...
#define | OPUS_RESET_STATE
| Resets the codec state to be equivalent to a freshly initialized state. More...
#define | OPUS_GET_FINAL_RANGE(x)
| Gets the final state of the codec's entropy coder. More...
#define | OPUS_GET_BANDWIDTH(x)
| Gets the encoder's configured bandpass or the decoder's last bandpass. More...
#define | OPUS_GET_SAMPLE_RATE(x)
| Gets the sampling rate the encoder or decoder was initialized with. More...
#define | OPUS_SET_GAIN(x)
| Configures decoder gain adjustment. More...
#define | OPUS_GET_GAIN(x)
| Gets the decoder's configured gain adjustment. More...
#define | OPUS_GET_LAST_PACKET_DURATION(x)
| Gets the duration (in samples) of the last packet successfully decoded or concealed. More...
#define | OPUS_GET_PITCH(x)
| Gets the pitch of the last decoded frame, if available. More...

## Functions

const char * | opus_strerror (int error)
| Converts an opus error code into a human readable string. More...
const char * | opus_get_version_string (void)
| Gets the libopus version string. More...

## Detailed Description

Opus reference implementation constants.

For more information visit the Opus Website. |