opus_defines.h(3)

NAME
opus_defines.h - Opus reference implementation constants.

SYNOPSIS

#include 'opus_types.h'

  Macros

#define OPUS_OK
No error.
#define OPUS_BAD_ARG
One or more invalid/out of range arguments.
#define OPUS_BUFFER_TOO_SMALL
Not enough bytes allocated in the buffer.
#define OPUS_INTERNAL_ERROR
An internal error was detected.
#define OPUS_INVALID_PACKET
The compressed data passed is corrupted.
#define OPUS_UNIMPLEMENTED
Invalid/unsupported request number.
#define OPUS_INVALID_STATE
An encoder or decoder structure is invalid or already freed.
#define OPUS_ALLOC_FAIL
Memory allocation has failed.
#define OPUS_AUTO
Auto/default setting.
#define OPUS_BITRATE_MAX
Maximum bitrate.
#define OPUS_APPLICATION_VOIP
Best for most VoIP/videoconference applications where listening quality and intelligibility matter most.
#define OPUS_APPLICATION_AUDIO
Best for broadcast/high-fidelity application where the decoded audio should be as close as possible to the input.
#define OPUS_APPLICATION_RESTRICTED_LOWDELAY
Only use when lowest-achievable latency is what matters most.
#define OPUS_SIGNAL_VOICE 3001
Signal being encoded is voice.
#define OPUS_SIGNAL_MUSIC 3002
Signal being encoded is music.
#define OPUS_BANDWIDTH_NARROWBAND
4 kHz bandpass
#define OPUS_BANDWIDTH_MEDIUMBAND
6 kHz bandpass
#define OPUS_BANDWIDTH_WIDEBAND
8 kHz bandpass
#define OPUS_BANDWIDTH_SUPERWIDEBAND
12 kHz bandpass
#define OPUS_BANDWIDTH_FULLBAND
20 kHz bandpass
#define OPUS_FRAMESIZE_ARG 5000
Select frame size from the argument (default)
#define OPUS_FRAMESIZE_2_5_MS 5001
Use 2.5 ms frames.
#define OPUS_FRAMESIZE_5_MS 5002
Use 5 ms frames.
#define OPUS_FRAMESIZE_10_MS 5003
Use 10 ms frames.
#define OPUS_FRAMESIZE_20_MS 5004
Use 20 ms frames.
#define OPUS_FRAMESIZE_40_MS 5005
Use 40 ms frames.
#define OPUS_FRAMESIZE_60_MS 5006
Use 60 ms frames.
#define OPUS_FRAMESIZE_80_MS 5007
Use 80 ms frames.
#define OPUS_FRAMESIZE_100_MS 5008
Use 100 ms frames.
#define OPUS_FRAMESIZE_120_MS 5009
Use 120 ms frames.
#define OPUS_SET_COMPLEXITY(x)
Configures the encoder's computational complexity.
#define OPUS_GET_COMPLEXITY(x)
Gets the encoder's complexity configuration.
#define OPUS_SET_BITRATE(x)
Configures the bitrate in the encoder.
#define OPUS_GET_BITRATE(x)
Gets the encoder's bitrate configuration.
#define OPUS_SET_VBR(x)
Enables or disables variable bitrate (VBR) in the encoder.
#define OPUS_GET_VBR(x)
Determine if variable bitrate (VBR) is enabled in the encoder.
#define OPUS_SET_VBR_CONSTRAINT(x)
Enables or disables constrained VBR in the encoder.
#define OPUS_GET_VBR_CONSTRAINT(x)
Determine if constrained VBR is enabled in the encoder.
#define OPUS_SET_FORCE_CHANNELS(x)
Configures mono/stereo forcing in the encoder.
#define OPUS_GET_FORCE_CHANNELS(x)
Gets the encoder's forced channel configuration.
#define OPUS_SET_MAX_BANDWIDTH(x)
Configures the maximum bandpass that the encoder will select automatically.
#define OPUS_GET_MAX_BANDWIDTH(x)
Gets the encoder's configured maximum allowed bandpass.
#define OPUS_SET_BANDWIDTH(x)
Sets the encoder's bandpass to a specific value.
#define OPUS_SET_SIGNAL(x)
Configures the type of signal being encoded.
#define OPUS_GET_SIGNAL(x)
Gets the encoder's configured signal type.
#define OPUS_SET_APPLICATION(x)
Configures the encoder's intended application.
#define OPUS_GET_APPLICATION(x)
Gets the encoder's configured application.
#define OPUS_GET_LOOKAHEAD(x)
Gets the total samples of delay added by the entire codec.
#define OPUS_SET_INBAND_FEC(x)
Configures the encoder's use of inband forward error correction (FEC).
#define OPUS_GET_INBAND_FEC(x)
Gets encoder's configured use of inband forward error correction.
#define OPUS_SET_PACKET_LOSS_PERC(x)
Configures the encoder's expected packet loss percentage.
#define OPUS_GET_PACKET_LOSS_PERC(x)
Gets the encoder's configured packet loss percentage.
#define OPUS_SET_DTX(x)
Configures the encoder's use of discontinuous transmission (DTX).
#define OPUS_GET_DTX(x)
Gets encoder's configured use of discontinuous transmission.
#define OPUS_SET_LSB_DEPTH(x)
Configures the depth of signal being encoded.
#define OPUS_GET_LSB_DEPTH(x)
Gets the encoder's configured signal depth.
#define OPUS_SET_EXPERT_FRAME_DURATION(x)
Configures the encoder's use of variable duration frames.
#define OPUS_GET_EXPERT_FRAME_DURATION(x)
Gets the encoder's configured use of variable duration frames.
#define OPUS_SET_PREDICTION_DISABLED(x)
If set to 1, disables almost all use of prediction, making frames almost completely independent.
#define OPUS_GET_PREDICTION_DISABLED(x)
Gets the encoder's configured prediction status.
#define OPUS_RESET_STATE
Resets the codec state to be equivalent to a freshly initialized state.
#define OPUS_GET_FINAL_RANGE(x)
Gets the final state of the codec's entropy coder.
#define OPUS_GET_BANDWIDTH(x)
Gets the encoder's configured bandpass or the decoder's last bandpass.
#define OPUS_GET_SAMPLE_RATE(x)
Gets the sampling rate the encoder or decoder was initialized with.
#define OPUS_SET_PHASE_INVERSION_DISABLED(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.
#define OPUS_GET_PHASE_INVERSION_DISABLED(x)
Gets the encoder's configured phase inversion status.
#define OPUS_SET_GAIN(x)
Configures decoder gain adjustment.
#define OPUS_GET_GAIN(x)
Gets the decoder's configured gain adjustment.
#define OPUS_GET_LAST_PACKET_DURATION(x)
Gets the duration (in samples) of the last packet successfully decoded or concealed.
#define OPUS_GET_PITCH(x)
Gets the pitch of the last decoded frame, if available.

  Functions

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

Detailed Description

Opus reference implementation constants.

Author

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