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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /third_party/libwebrtc/api/video_codecs/vp8_temporal_layers.h | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/api/video_codecs/vp8_temporal_layers.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/video_codecs/vp8_temporal_layers.h b/third_party/libwebrtc/api/video_codecs/vp8_temporal_layers.h new file mode 100644 index 0000000000..2ffe6eacdf --- /dev/null +++ b/third_party/libwebrtc/api/video_codecs/vp8_temporal_layers.h @@ -0,0 +1,77 @@ +/* + * Copyright (c) 2018 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 API_VIDEO_CODECS_VP8_TEMPORAL_LAYERS_H_ +#define API_VIDEO_CODECS_VP8_TEMPORAL_LAYERS_H_ + +#include <memory> +#include <vector> + +#include "api/fec_controller_override.h" +#include "api/video_codecs/video_codec.h" +#include "api/video_codecs/vp8_frame_buffer_controller.h" +#include "api/video_codecs/vp8_frame_config.h" + +namespace webrtc { + +// Two different flavors of temporal layers are currently available: +// kFixedPattern uses a fixed repeating pattern of 1-4 layers. +// kBitrateDynamic can allocate frames dynamically to 1 or 2 layers, based on +// the bitrate produced. +// TODO(eladalon): Remove this enum. +enum class Vp8TemporalLayersType { kFixedPattern, kBitrateDynamic }; + +// This interface defines a way of getting the encoder settings needed to +// realize a temporal layer structure. +class Vp8TemporalLayers final : public Vp8FrameBufferController { + public: + Vp8TemporalLayers( + std::vector<std::unique_ptr<Vp8FrameBufferController>>&& controllers, + FecControllerOverride* fec_controller_override); + ~Vp8TemporalLayers() override = default; + + void SetQpLimits(size_t stream_index, int min_qp, int max_qp) override; + + size_t StreamCount() const override; + + bool SupportsEncoderFrameDropping(size_t stream_index) const override; + + void OnRatesUpdated(size_t stream_index, + const std::vector<uint32_t>& bitrates_bps, + int framerate_fps) override; + + Vp8EncoderConfig UpdateConfiguration(size_t stream_index) override; + + Vp8FrameConfig NextFrameConfig(size_t stream_index, + uint32_t rtp_timestamp) override; + + void OnEncodeDone(size_t stream_index, + uint32_t rtp_timestamp, + size_t size_bytes, + bool is_keyframe, + int qp, + CodecSpecificInfo* info) override; + + void OnFrameDropped(size_t stream_index, uint32_t rtp_timestamp) override; + + void OnPacketLossRateUpdate(float packet_loss_rate) override; + + void OnRttUpdate(int64_t rtt_ms) override; + + void OnLossNotification( + const VideoEncoder::LossNotification& loss_notification) override; + + private: + std::vector<std::unique_ptr<Vp8FrameBufferController>> controllers_; +}; + +} // namespace webrtc + +#endif // API_VIDEO_CODECS_VP8_TEMPORAL_LAYERS_H_ |