00c7183614
This is a no-op change because rtc::Optional is an alias to absl::optional
This CL generated by running script with parameters 'media ortc p2p':
find $@ -type f \( -name \*.h -o -name \*.cc \) \
-exec sed -i 's|rtc::Optional|absl::optional|g' {} \+ \
-exec sed -i 's|rtc::nullopt|absl::nullopt|g' {} \+ \
-exec sed -i 's|#include "api/optional.h"|#include "absl/types/optional.h"|' {} \+
find $@ -type f -name BUILD.gn \
-exec sed -r -i 's|"(../)*api:optional"|"//third_party/abseil-cpp/absl/types:optional"|' {} \+;
git cl format
Bug: webrtc:9078
Change-Id: I19167714af7cc1436d34cfcba6c8b3718d8e677b
Reviewed-on: https://webrtc-review.googlesource.com/83731
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23638}
86 lines
3.0 KiB
C++
86 lines
3.0 KiB
C++
/*
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* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MEDIA_BASE_ADAPTEDVIDEOTRACKSOURCE_H_
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#define MEDIA_BASE_ADAPTEDVIDEOTRACKSOURCE_H_
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#include "api/mediastreaminterface.h"
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#include "api/notifier.h"
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#include "media/base/videoadapter.h"
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#include "media/base/videobroadcaster.h"
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namespace rtc {
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// Base class for sources which needs video adaptation, e.g., video
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// capture sources. Sinks must be added and removed on one and only
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// one thread, while AdaptFrame and OnFrame may be called on any
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// thread.
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class AdaptedVideoTrackSource
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: public webrtc::Notifier<webrtc::VideoTrackSourceInterface> {
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public:
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AdaptedVideoTrackSource();
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~AdaptedVideoTrackSource() override;
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protected:
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// Allows derived classes to initialize |video_adapter_| with a custom
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// alignment.
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explicit AdaptedVideoTrackSource(int required_alignment);
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// Checks the apply_rotation() flag. If the frame needs rotation, and it is a
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// plain memory frame, it is rotated. Subclasses producing native frames must
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// handle apply_rotation() themselves.
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void OnFrame(const webrtc::VideoFrame& frame);
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// Reports the appropriate frame size after adaptation. Returns true
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// if a frame is wanted. Returns false if there are no interested
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// sinks, or if the VideoAdapter decides to drop the frame.
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bool AdaptFrame(int width,
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int height,
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int64_t time_us,
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int* out_width,
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int* out_height,
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int* crop_width,
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int* crop_height,
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int* crop_x,
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int* crop_y);
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// Returns the current value of the apply_rotation flag, derived
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// from the VideoSinkWants of registered sinks. The value is derived
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// from sinks' wants, in AddOrUpdateSink and RemoveSink. Beware that
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// when using this method from a different thread, the value may
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// become stale before it is used.
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bool apply_rotation();
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cricket::VideoAdapter* video_adapter() { return &video_adapter_; }
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private:
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// Implements rtc::VideoSourceInterface.
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void AddOrUpdateSink(rtc::VideoSinkInterface<webrtc::VideoFrame>* sink,
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const rtc::VideoSinkWants& wants) override;
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void RemoveSink(rtc::VideoSinkInterface<webrtc::VideoFrame>* sink) override;
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// Part of VideoTrackSourceInterface.
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bool GetStats(Stats* stats) override;
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void OnSinkWantsChanged(const rtc::VideoSinkWants& wants);
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rtc::ThreadChecker thread_checker_;
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cricket::VideoAdapter video_adapter_;
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rtc::CriticalSection stats_crit_;
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absl::optional<Stats> stats_ RTC_GUARDED_BY(stats_crit_);
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VideoBroadcaster broadcaster_;
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};
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} // namespace rtc
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#endif // MEDIA_BASE_ADAPTEDVIDEOTRACKSOURCE_H_
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