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Base padding bitrate for an encoder on the bitrate allocated for that encoder, rather than the total bitrate of the channel group.

Browse Source 
Review URL: https://codereview.webrtc.org/1231273004

Cr-Commit-Position: refs/heads/master@{#9584}
This commit is contained in:
stefan
2015-07-15 04:39:22 -07:00
committed by Commit bot
parent 3258db26ed
commit a4a8d4ad27
3 changed files with 7 additions and 10 deletions
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6
webrtc/video_engine/vie_channel_group.cc
View File

@ -479,10 +479,8 @@ void ChannelGroup::OnNetworkChanged(uint32_t target_bitrate_bps,
int pad_up_to_bitrate_bps = 0;
{
CriticalSectionScoped lock(encoder_map_cs_.get());
for (const auto& encoder : send_encoders_) {
pad_up_to_bitrate_bps +=
encoder.second->GetPaddingNeededBps(target_bitrate_bps);
}
for (const auto& encoder : send_encoders_)
pad_up_to_bitrate_bps += encoder.second->GetPaddingNeededBps();
}
pacer_->UpdateBitrate(
target_bitrate_bps / 1000,

9
webrtc/video_engine/vie_encoder.cc
View File

@ -397,9 +397,10 @@ int32_t ViEEncoder::ScaleInputImage(bool enable) {
return 0;
}
int ViEEncoder::GetPaddingNeededBps(int bitrate_bps) const {
int ViEEncoder::GetPaddingNeededBps() const {
int64_t time_of_last_frame_activity_ms;
int min_transmit_bitrate_bps;
int bitrate_bps;
{
CriticalSectionScoped cs(data_cs_.get());
bool send_padding =
@ -408,15 +409,12 @@ int ViEEncoder::GetPaddingNeededBps(int bitrate_bps) const {
return 0;
time_of_last_frame_activity_ms = time_of_last_frame_activity_ms_;
min_transmit_bitrate_bps = 1000 * min_transmit_bitrate_kbps_;
bitrate_bps = last_observed_bitrate_bps_;
}
VideoCodec send_codec;
if (vcm_->SendCodec(&send_codec) != 0)
return 0;
SimulcastStream* stream_configs = send_codec.simulcastStream;
// Allocate the bandwidth between the streams.
std::vector<uint32_t> stream_bitrates = AllocateStreamBitrates(
bitrate_bps, stream_configs, send_codec.numberOfSimulcastStreams);
bool video_is_suspended = vcm_->VideoSuspended();
@ -427,6 +425,7 @@ int ViEEncoder::GetPaddingNeededBps(int bitrate_bps) const {
if (send_codec.numberOfSimulcastStreams == 0) {
pad_up_to_bitrate_bps = send_codec.minBitrate * 1000;
} else {
SimulcastStream* stream_configs = send_codec.simulcastStream;
pad_up_to_bitrate_bps =
stream_configs[send_codec.numberOfSimulcastStreams - 1].minBitrate *
1000;

2
webrtc/video_engine/vie_encoder.h
View File

@ -177,7 +177,7 @@ class ViEEncoder : public RtcpIntraFrameObserver,
int channel_id() const { return channel_id_; }
int GetPaddingNeededBps(int bitrate_bps) const;
int GetPaddingNeededBps() const;
protected:
// Called by BitrateObserver.