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Add CurrentLayerId() to temporal layers.

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same patch as: https://webrtc-codereview.appspot.com/2427004/

TBR=holmer@google.com

Review URL: https://webrtc-codereview.appspot.com/2729004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5012 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
marpan@webrtc.org 2013-10-22 01:55:07 +00:00
parent 50bc553852
commit 943e3b95a6
4 changed files with 13 additions and 3 deletions
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10
webrtc/modules/video_coding/codecs/vp8/default_temporal_layers.cc
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@ -36,6 +36,13 @@ DefaultTemporalLayers::DefaultTemporalLayers(int numberOfTemporalLayers,
memset(temporal_pattern_, 0, sizeof(temporal_pattern_));
}
int DefaultTemporalLayers::CurrentLayerId() const {
assert(temporal_ids_length_ > 0);
int index = pattern_idx_ % temporal_ids_length_;
assert(index >= 0);
return temporal_ids_[index];
}
bool DefaultTemporalLayers::ConfigureBitrates(int bitrateKbit,
int max_bitrate_kbit,
int framerate,
@ -247,8 +254,7 @@ void DefaultTemporalLayers::PopulateCodecSpecific(
vp8_info->temporalIdx = 0;
vp8_info->layerSync = true;
} else {
vp8_info->temporalIdx = temporal_ids_
[pattern_idx_ % temporal_ids_length_];
vp8_info->temporalIdx = CurrentLayerId();
TemporalReferences temporal_reference =
temporal_pattern_[pattern_idx_ % temporal_pattern_length_];

2
webrtc/modules/video_coding/codecs/vp8/default_temporal_layers.h
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@ -37,6 +37,8 @@ class DefaultTemporalLayers : public TemporalLayers {
virtual void FrameEncoded(unsigned int size, uint32_t timestamp) {}
virtual int CurrentLayerId() const;
private:
enum TemporalReferences {
// For 1 layer case: reference all (last, golden, and alt ref), but only

2
webrtc/modules/video_coding/codecs/vp8/realtime_temporal_layers.cc
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@ -189,7 +189,7 @@ class RealTimeTemporalLayers : public TemporalLayers {
return encode_flags_[index];
}
unsigned int CurrentLayerId() const {
virtual int CurrentLayerId() const {
assert(layer_ids_length_ > 0 && layer_ids_ != NULL);
int index = frame_counter_ % layer_ids_length_;
assert(index >= 0 && index < layer_ids_length_);

2
webrtc/modules/video_coding/codecs/vp8/temporal_layers.h
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@ -49,6 +49,8 @@ class TemporalLayers {
uint32_t timestamp) = 0;
virtual void FrameEncoded(unsigned int size, uint32_t timestamp) = 0;
virtual int CurrentLayerId() const = 0;
};
// Factory for a temporal layers strategy that adaptively changes the number of