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Adding SetOpusMaxBandwidth in VoE and ACM

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This is a step to solve
https://code.google.com/p/webrtc/issues/detail?id=1906

In particular, we add an API in VoE and ACM to call Opus's API of setting maximum bandwidth.

TEST = added a test in voe_cmd_test and listened to the result

BUG=
R=henrika@google.com, henrika@webrtc.org, turaj@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/21129004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6869 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
minyue@webrtc.org
2014-08-12 08:13:33 +00:00
parent c98ce3b34c
commit 6aac93bd9c
14 changed files with 136 additions and 0 deletions
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17
webrtc/modules/audio_coding/main/interface/audio_coding_module.h
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@ -915,6 +915,23 @@ class AudioCodingModule: public Module {
int init_rate_bps,
bool enforce_frame_size = false) = 0;
///////////////////////////////////////////////////////////////////////////
// int SetOpusMaxBandwidth()
// If current send codec is Opus, informs it about maximum audio bandwidth
// needs to be encoded. A use case of this is when the receiver can only play
// audio up to frequency limit. Opus can use this information to optimize
// the bit rate and increase the computation efficiency.
//
// Input:
// -banbwidth_hz : maximum bandwidth in Hz.
//
// Return value:
// -1 if current send codec is not Opus or
// error occurred in setting the bandwidth,
// 0 maximum bandwidth is set successfully.
//
virtual int SetOpusMaxBandwidth(int banbwidth_hz) = 0;
///////////////////////////////////////////////////////////////////////////
// statistics
//