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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_factory.cc | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.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_factory.cc | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/video_codecs/vp8_temporal_layers_factory.cc b/third_party/libwebrtc/api/video_codecs/vp8_temporal_layers_factory.cc new file mode 100644 index 0000000000..193494d71d --- /dev/null +++ b/third_party/libwebrtc/api/video_codecs/vp8_temporal_layers_factory.cc @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2019 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. + */ + +#include "api/video_codecs/vp8_temporal_layers_factory.h" + +#include <algorithm> +#include <memory> +#include <utility> +#include <vector> + +#include "api/fec_controller_override.h" +#include "modules/video_coding/codecs/vp8/default_temporal_layers.h" +#include "modules/video_coding/codecs/vp8/screenshare_layers.h" +#include "modules/video_coding/utility/simulcast_utility.h" +#include "rtc_base/checks.h" + +namespace webrtc { + +std::unique_ptr<Vp8FrameBufferController> Vp8TemporalLayersFactory::Create( + const VideoCodec& codec, + const VideoEncoder::Settings& settings, + FecControllerOverride* fec_controller_override) { + std::vector<std::unique_ptr<Vp8FrameBufferController>> controllers; + const int num_streams = SimulcastUtility::NumberOfSimulcastStreams(codec); + RTC_DCHECK_GE(num_streams, 1); + controllers.reserve(num_streams); + + for (int i = 0; i < num_streams; ++i) { + int num_temporal_layers = + SimulcastUtility::NumberOfTemporalLayers(codec, i); + RTC_DCHECK_GE(num_temporal_layers, 1); + if (SimulcastUtility::IsConferenceModeScreenshare(codec) && i == 0) { + // Legacy screenshare layers supports max 2 layers. + num_temporal_layers = std::max(2, num_temporal_layers); + controllers.push_back( + std::make_unique<ScreenshareLayers>(num_temporal_layers)); + } else { + controllers.push_back( + std::make_unique<DefaultTemporalLayers>(num_temporal_layers)); + } + } + + return std::make_unique<Vp8TemporalLayers>(std::move(controllers), + fec_controller_override); +} + +std::unique_ptr<Vp8FrameBufferControllerFactory> +Vp8TemporalLayersFactory::Clone() const { + return std::make_unique<Vp8TemporalLayersFactory>(); +} + +} // namespace webrtc |