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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/libwebrtc/modules/video_coding/utility/simulcast_rate_allocator.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/modules/video_coding/utility/simulcast_rate_allocator.h')
-rw-r--r-- | third_party/libwebrtc/modules/video_coding/utility/simulcast_rate_allocator.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/video_coding/utility/simulcast_rate_allocator.h b/third_party/libwebrtc/modules/video_coding/utility/simulcast_rate_allocator.h new file mode 100644 index 0000000000..6f93dbde74 --- /dev/null +++ b/third_party/libwebrtc/modules/video_coding/utility/simulcast_rate_allocator.h @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef MODULES_VIDEO_CODING_UTILITY_SIMULCAST_RATE_ALLOCATOR_H_ +#define MODULES_VIDEO_CODING_UTILITY_SIMULCAST_RATE_ALLOCATOR_H_ + +#include <stddef.h> +#include <stdint.h> + +#include <vector> + +#include "api/video/video_bitrate_allocation.h" +#include "api/video/video_bitrate_allocator.h" +#include "api/video_codecs/video_codec.h" +#include "rtc_base/experiments/rate_control_settings.h" +#include "rtc_base/experiments/stable_target_rate_experiment.h" + +namespace webrtc { + +class SimulcastRateAllocator : public VideoBitrateAllocator { + public: + explicit SimulcastRateAllocator(const VideoCodec& codec); + ~SimulcastRateAllocator() override; + + SimulcastRateAllocator(const SimulcastRateAllocator&) = delete; + SimulcastRateAllocator& operator=(const SimulcastRateAllocator&) = delete; + + VideoBitrateAllocation Allocate( + VideoBitrateAllocationParameters parameters) override; + const VideoCodec& GetCodec() const; + + static float GetTemporalRateAllocation(int num_layers, + int temporal_id, + bool base_heavy_tl3_alloc); + + void SetLegacyConferenceMode(bool mode) override; + + private: + void DistributeAllocationToSimulcastLayers( + DataRate total_bitrate, + DataRate stable_bitrate, + VideoBitrateAllocation* allocated_bitrates); + void DistributeAllocationToTemporalLayers( + VideoBitrateAllocation* allocated_bitrates) const; + std::vector<uint32_t> DefaultTemporalLayerAllocation(int bitrate_kbps, + int max_bitrate_kbps, + int simulcast_id) const; + std::vector<uint32_t> ScreenshareTemporalLayerAllocation( + int bitrate_kbps, + int max_bitrate_kbps, + int simulcast_id) const; + int NumTemporalStreams(size_t simulcast_id) const; + + const VideoCodec codec_; + const StableTargetRateExperiment stable_rate_settings_; + const RateControlSettings rate_control_settings_; + std::vector<bool> stream_enabled_; + bool legacy_conference_mode_; +}; + +} // namespace webrtc + +#endif // MODULES_VIDEO_CODING_UTILITY_SIMULCAST_RATE_ALLOCATOR_H_ |