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

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Macros
Pre-defined values for CTL interface

## Macros

#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...

## Detailed Description

See also
  Generic CTLs, Encoder related CTLs

## Macro Definition Documentation

#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.

Voice-optimized modes cannot be used.

#define OPUS_APPLICATION_VOIP

Best for most VoIP/videoconference applications where listening quality and intelligibility matter most.

#define OPUS_AUTO

Auto/default setting.

#define OPUS_BANDWIDTH_FULLBAND

20 kHz bandpass

#define OPUS_BANDWIDTH_MEDIUMBAND

6 kHz bandpass

#define OPUS_BANDWIDTH_NARROWBAND

4 kHz bandpass

#define OPUS_BANDWIDTH_SUPERWIDEBAND

12 kHz bandpass

#define OPUS_BANDWIDTH_WIDEBAND

8 kHz bandpass

#define OPUS_BITRATE_MAX

Maximum bitrate.

#define OPUS_FRAMESIZE_10_MS 5003

Use 10 ms frames.

#define OPUS_FRAMESIZE_20_MS 5004

Use 20 ms frames.

#define OPUS_FRAMESIZE_2_5_MS 5001

Use 2.5 ms frames.

#define OPUS_FRAMESIZE_40_MS 5005

Use 40 ms frames.

#define OPUS_FRAMESIZE_5_MS 5002

Use 5 ms frames.

#define OPUS_FRAMESIZE_60_MS 5006

Use 60 ms frames.

#define OPUS_FRAMESIZE_ARG 5000

Select frame size from the argument (default)

#define OPUS_SIGNAL_MUSIC 3002

Signal being encoded is music.

#define OPUS_SIGNAL_VOICE 3001

Signal being encoded is voice.

For more information visit the Opus Website. |