62057627ef
Rename: - call/adaptation/resource_adaptation_module_interface.[h/cc] --> call/adaptation/resource_adaptation_processor_interface.[h/cc] - call/adaptation/resource_adaptation_processor.[h/cc] --> call/adaptation/new_resource_adaptation_processor_poc.[h/cc] Move + Rename: - video/overuse_frame_detector_resource_adaptation_module.[h/cc] --> video/adaptation/resource_adaptation_processor.[h/cc] Move: - video/encode_usage_resource.[h/cc] --> video/adaptation/... - video/overuse_frame_detector.[h/cc] --> video/adaptation/... - video/quality_scaler_resource.[h/cc] --> video/adaptation/... Unittests are also moved. In order to avoid a circular dependency, VideoStreamEncoder::kDefaultLastFrameInfo[Width/Height] is moved and renamed to kDefaultInputPixels[Width/Height] in video/adaptation/resource_adaptation_processor.[h/cc]. Bug: webrtc:11222 Change-Id: Icf920e8a7362002b1c63c42b2d9e2e63c990b532 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/170117 Reviewed-by: Evan Shrubsole <eshr@google.com> Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> Reviewed-by: Niels Moller <nisse@webrtc.org> Commit-Queue: Henrik Boström <hbos@webrtc.org> Cr-Commit-Position: refs/heads/master@{#30754}
76 lines
3.3 KiB
C++
76 lines
3.3 KiB
C++
/*
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* Copyright 2020 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 VIDEO_VIDEO_SOURCE_SINK_CONTROLLER_H_
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#define VIDEO_VIDEO_SOURCE_SINK_CONTROLLER_H_
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#include "absl/types/optional.h"
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#include "api/video/video_frame.h"
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#include "api/video/video_sink_interface.h"
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#include "api/video/video_source_interface.h"
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#include "call/adaptation/video_source_restrictions.h"
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#include "rtc_base/critical_section.h"
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namespace webrtc {
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// Responsible for configuring source/sink settings, i.e. performing
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// rtc::VideoSourceInterface<VideoFrame>::AddOrUpdateSink(). It does this by
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// storing settings internally which are converted to rtc::VideoSinkWants when
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// PushSourceSinkSettings() is performed.
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class VideoSourceSinkController {
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public:
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VideoSourceSinkController(rtc::VideoSinkInterface<VideoFrame>* sink,
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rtc::VideoSourceInterface<VideoFrame>* source);
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void SetSource(rtc::VideoSourceInterface<VideoFrame>* source);
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// Must be called in order for changes to settings to have an effect. This
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// allows you to modify multiple properties in a single push to the sink.
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void PushSourceSinkSettings();
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VideoSourceRestrictions restrictions() const;
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absl::optional<size_t> pixels_per_frame_upper_limit() const;
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absl::optional<double> frame_rate_upper_limit() const;
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bool rotation_applied() const;
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int resolution_alignment() const;
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// Updates the settings stored internally. In order for these settings to be
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// applied to the sink, PushSourceSinkSettings() must subsequently be called.
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void SetRestrictions(VideoSourceRestrictions restrictions);
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void SetPixelsPerFrameUpperLimit(
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absl::optional<size_t> pixels_per_frame_upper_limit);
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void SetFrameRateUpperLimit(absl::optional<double> frame_rate_upper_limit);
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void SetRotationApplied(bool rotation_applied);
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void SetResolutionAlignment(int resolution_alignment);
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private:
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rtc::VideoSinkWants CurrentSettingsToSinkWants() const
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RTC_EXCLUSIVE_LOCKS_REQUIRED(crit_);
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// TODO(hbos): If everything is handled on the same sequence (i.e.
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// VideoStreamEncoder's encoder queue) then |crit_| can be replaced by
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// sequence checker. Investigate if we want to do this.
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mutable rtc::CriticalSection crit_;
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rtc::VideoSinkInterface<VideoFrame>* const sink_;
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rtc::VideoSourceInterface<VideoFrame>* source_ RTC_GUARDED_BY(&crit_);
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// Pixel and frame rate restrictions.
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VideoSourceRestrictions restrictions_ RTC_GUARDED_BY(&crit_);
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// Ensures that even if we are not restricted, the sink is never configured
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// above this limit. Example: We are not CPU limited (no |restrictions_|) but
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// our encoder is capped at 30 fps (= |frame_rate_upper_limit_|).
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absl::optional<size_t> pixels_per_frame_upper_limit_ RTC_GUARDED_BY(&crit_);
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absl::optional<double> frame_rate_upper_limit_ RTC_GUARDED_BY(&crit_);
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bool rotation_applied_ RTC_GUARDED_BY(&crit_) = false;
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int resolution_alignment_ RTC_GUARDED_BY(&crit_) = 1;
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};
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} // namespace webrtc
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#endif // VIDEO_VIDEO_SOURCE_SINK_CONTROLLER_H_
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