52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
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/*
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* Copyright 2019 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 PC_JITTER_BUFFER_DELAY_H_
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#define PC_JITTER_BUFFER_DELAY_H_
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#include <stdint.h>
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#include "absl/types/optional.h"
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#include "media/base/delayable.h"
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#include "pc/jitter_buffer_delay_interface.h"
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#include "rtc_base/thread.h"
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namespace webrtc {
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// JitterBufferDelay converts delay from seconds to milliseconds for the
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// underlying media channel. It also handles cases when user sets delay before
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// the start of media_channel by caching its request. Note, this class is not
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// thread safe. Its thread safe version is defined in
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// pc/jitter_buffer_delay_proxy.h
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class JitterBufferDelay : public JitterBufferDelayInterface {
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public:
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// Must be called on signaling thread.
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explicit JitterBufferDelay(rtc::Thread* worker_thread);
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void OnStart(cricket::Delayable* media_channel, uint32_t ssrc) override;
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void OnStop() override;
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void Set(absl::optional<double> delay_seconds) override;
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private:
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// Throughout webrtc source, sometimes it is also called as |main_thread_|.
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rtc::Thread* const signaling_thread_;
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rtc::Thread* const worker_thread_;
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// Media channel and ssrc together uniqely identify audio stream.
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cricket::Delayable* media_channel_ = nullptr;
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absl::optional<uint32_t> ssrc_;
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absl::optional<double> cached_delay_seconds_;
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};
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} // namespace webrtc
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#endif // PC_JITTER_BUFFER_DELAY_H_
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