zqz/platform-external-webrtc
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Encoder side of Multistream Opus.

Browse Source 
Follows https://webrtc-review.googlesource.com/c/src/+/129768 closely.
Adds an ENCODER and sets it up to parse SDP config for multistream
opus.

E.g. this is the new SDP syntax for 6.1 surround sound:
"multiopus/48000/6 channel_mapping=0,4,1,2,3,5 num_streams=4 coupled_streams=2"


Bug: webrtc:8649
Change-Id: I3fc341e76f5c41dab0243cf65f6461e4c3d9d67d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/132001
Commit-Queue: Alex Loiko <aleloi@webrtc.org>
Reviewed-by: Oskar Sundbom <ossu@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27775}
This commit is contained in:
Alex Loiko
2019-04-25 15:09:32 +02:00
committed by Commit Bot
parent 9e79e6b9b3
commit 44c21f48ee
14 changed files with 966 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
api/audio_codecs/opus/audio_encoder_opus_config.cc
View File

@ -55,9 +55,9 @@ AudioEncoderOpusConfig& AudioEncoderOpusConfig::operator=(
bool AudioEncoderOpusConfig::IsOk() const {
if (frame_size_ms <= 0 || frame_size_ms % 10 != 0)
return false;
if (num_channels != 1 && num_channels != 2 && num_channels != 4 &&
num_channels != 6 && num_channels != 8)
if (num_channels < 0 || num_channels >= 255) {
return false;
}
if (!bitrate_bps)
return false;
if (*bitrate_bps < kMinBitrateBps || *bitrate_bps > kMaxBitrateBps)