opus_ctlvalues(3)

NAME
opus_ctlvalues - Pre-defined values for CTL interface

SYNOPSIS

  Macros
#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_APPLICATION_RESTRICTED_SILK 2052
Experts only: forces SILK encoding; don't allocate CELT state at all.
#define OPUS_APPLICATION_RESTRICTED_CELT 2053
Experts only: forces CELT encoding; don't allocate SILK state at all.
#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.

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_CELT 2053

Experts only: forces CELT encoding; don't allocate SILK state at all. Disables OPUS_SET_APPLICATION.

  #define OPUS_APPLICATION_RESTRICTED_LOWDELAY

Only use when lowest-achievable latency is what matters most. Voice-optimized modes cannot be used.

  #define OPUS_APPLICATION_RESTRICTED_SILK 2052

Experts only: forces SILK encoding; don't allocate CELT state at all. Disables OPUS_SET_APPLICATION.

  #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_100_MS 5008

Use 100 ms frames.

  #define OPUS_FRAMESIZE_10_MS 5003

Use 10 ms frames.

  #define OPUS_FRAMESIZE_120_MS 5009

Use 120 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_80_MS 5007

Use 80 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.

Author

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