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Setting Opus target application.

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This CL is to allow to set Opus target application at the creation of an encoder.

According to Opus spec, there are three applications:

OPUS_APPLICATION_VOIP
OPUS_APPLICATION_AUDIO
OPUS_APPLICATION_RESTRICTED_LOWDELAY

BUG=
R=henrik.lundin@webrtc.org, tina.legrand@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/37479004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@8103 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
minyue@webrtc.org
2015-01-20 16:01:50 +00:00
parent 853049fa30
commit 7dba7860c7
21 changed files with 489 additions and 317 deletions
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14
webrtc/modules/audio_coding/main/interface/audio_coding_module.h
View File

@ -874,6 +874,20 @@ class AudioCodingModule: public Module {
int init_rate_bps,
bool enforce_frame_size = false) = 0;
///////////////////////////////////////////////////////////////////////////
// int SetOpusApplication()
// Sets the intended application for the Opus encoder. Opus uses this to
// optimize the encoding for applications like VOIP and music.
//
// Input:
// - application : intended application.
//
// Return value:
// -1 if failed or on codecs other than Opus.
// 0 if succeeded.
//
virtual int SetOpusApplication(OpusApplicationMode /*application*/) = 0;
///////////////////////////////////////////////////////////////////////////
// int SetOpusMaxPlaybackRate()
// If current send codec is Opus, informs it about maximum playback rate the

12
webrtc/modules/audio_coding/main/interface/audio_coding_module_typedefs.h
View File

@ -200,6 +200,18 @@ enum ACMBackgroundNoiseMode {
Off
};
///////////////////////////////////////////////////////////////////////////
//
// Enumeration of Opus mode for intended application.
//
// kVoip : optimized for voice signals.
// kAudio : optimized for non-voice signals like music.
//
enum OpusApplicationMode {
kVoip = 0,
kAudio = 1,
};
} // namespace webrtc
#endif // WEBRTC_MODULES_AUDIO_CODING_MAIN_INTERFACE_AUDIO_CODING_MODULE_TYPEDEFS_H_