9a63866272
Permits using IncomingVideoFrame in VideoReceiveStream without depending on VideoRender. BUG=4588 R=mflodman@webrtc.org Review URL: https://webrtc-codereview.appspot.com/49199004 Cr-Commit-Position: refs/heads/master@{#9184}
102 lines
3.4 KiB
C++
102 lines
3.4 KiB
C++
/*
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* Copyright (c) 2012 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 WEBRTC_COMMON_VIDEO_INTERFACE_INCOMING_VIDEO_STREAM_H_
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#define WEBRTC_COMMON_VIDEO_INTERFACE_INCOMING_VIDEO_STREAM_H_
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#include "webrtc/base/scoped_ptr.h"
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#include "webrtc/base/thread_annotations.h"
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#include "webrtc/common_video/video_render_frames.h"
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namespace webrtc {
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class CriticalSectionWrapper;
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class EventTimerWrapper;
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class ThreadWrapper;
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class VideoRenderCallback {
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public:
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virtual int32_t RenderFrame(const uint32_t streamId,
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const I420VideoFrame& videoFrame) = 0;
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protected:
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virtual ~VideoRenderCallback() {}
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};
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class IncomingVideoStream : public VideoRenderCallback {
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public:
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explicit IncomingVideoStream(uint32_t stream_id);
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~IncomingVideoStream();
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// Get callback to deliver frames to the module.
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VideoRenderCallback* ModuleCallback();
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virtual int32_t RenderFrame(const uint32_t stream_id,
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const I420VideoFrame& video_frame);
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// Set callback to the platform dependent code.
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void SetRenderCallback(VideoRenderCallback* render_callback);
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// Callback for file recording, snapshot, ...
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void SetExternalCallback(VideoRenderCallback* render_object);
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// Start/Stop.
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int32_t Start();
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int32_t Stop();
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// Clear all buffers.
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int32_t Reset();
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// Properties.
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uint32_t StreamId() const;
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uint32_t IncomingRate() const;
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int32_t SetStartImage(const I420VideoFrame& video_frame);
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int32_t SetTimeoutImage(const I420VideoFrame& video_frame,
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const uint32_t timeout);
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int32_t SetExpectedRenderDelay(int32_t delay_ms);
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protected:
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static bool IncomingVideoStreamThreadFun(void* obj);
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bool IncomingVideoStreamProcess();
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private:
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enum { kEventStartupTimeMs = 10 };
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enum { kEventMaxWaitTimeMs = 100 };
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enum { kFrameRatePeriodMs = 1000 };
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uint32_t const stream_id_;
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// Critsects in allowed to enter order.
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const rtc::scoped_ptr<CriticalSectionWrapper> stream_critsect_;
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const rtc::scoped_ptr<CriticalSectionWrapper> thread_critsect_;
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const rtc::scoped_ptr<CriticalSectionWrapper> buffer_critsect_;
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rtc::scoped_ptr<ThreadWrapper> incoming_render_thread_
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GUARDED_BY(thread_critsect_);
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rtc::scoped_ptr<EventTimerWrapper> deliver_buffer_event_;
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bool running_ GUARDED_BY(stream_critsect_);
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VideoRenderCallback* external_callback_ GUARDED_BY(thread_critsect_);
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VideoRenderCallback* render_callback_ GUARDED_BY(thread_critsect_);
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const rtc::scoped_ptr<VideoRenderFrames> render_buffers_
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GUARDED_BY(buffer_critsect_);
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uint32_t incoming_rate_ GUARDED_BY(stream_critsect_);
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int64_t last_rate_calculation_time_ms_ GUARDED_BY(stream_critsect_);
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uint16_t num_frames_since_last_calculation_ GUARDED_BY(stream_critsect_);
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int64_t last_render_time_ms_ GUARDED_BY(thread_critsect_);
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I420VideoFrame temp_frame_ GUARDED_BY(thread_critsect_);
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I420VideoFrame start_image_ GUARDED_BY(thread_critsect_);
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I420VideoFrame timeout_image_ GUARDED_BY(thread_critsect_);
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uint32_t timeout_time_ GUARDED_BY(thread_critsect_);
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};
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} // namespace webrtc
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#endif // WEBRTC_COMMON_VIDEO_INTERFACE_INCOMING_VIDEO_STREAM_H_
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