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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
Download Patch File Download Diff File Expand all files Collapse all files

26
webrtc/modules/audio_coding/codecs/opus/opus_interface.c
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@ -31,17 +31,31 @@ enum {
kWebRtcOpusDefaultFrameSize = 960,
};
int16_t WebRtcOpus_EncoderCreate(OpusEncInst** inst, int32_t channels) {
int16_t WebRtcOpus_EncoderCreate(OpusEncInst** inst,
int32_t channels,
int32_t application) {
OpusEncInst* state;
if (inst != NULL) {
state = (OpusEncInst*) calloc(1, sizeof(OpusEncInst));
if (state) {
int error;
/* Default to VoIP application for mono, and AUDIO for stereo. */
int application = (channels == 1) ? OPUS_APPLICATION_VOIP :
OPUS_APPLICATION_AUDIO;
int opus_app;
switch (application) {
case 0: {
opus_app = OPUS_APPLICATION_VOIP;
break;
}
case 1: {
opus_app = OPUS_APPLICATION_AUDIO;
break;
}
default: {
free(state);
return -1;
}
}
state->encoder = opus_encoder_create(48000, channels, application,
int error;
state->encoder = opus_encoder_create(48000, channels, opus_app,
&error);
state->in_dtx_mode = 0;
if (error == OPUS_OK && state->encoder != NULL) {