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/*
* Copyright (c) 2012 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.
*/
#ifndef WEBRTC_COMMON_VIDEO_INCLUDE_INCOMING_VIDEO_STREAM_H_
#define WEBRTC_COMMON_VIDEO_INCLUDE_INCOMING_VIDEO_STREAM_H_
#include "webrtc/base/platform_thread.h"
#include "webrtc/base/scoped_ptr.h"
#include "webrtc/base/thread_annotations.h"
#include "webrtc/common_video/video_render_frames.h"
namespace webrtc {
class CriticalSectionWrapper;
class EventTimerWrapper;
class VideoRenderCallback {
public:
virtual int32_t RenderFrame(const uint32_t streamId,
const VideoFrame& videoFrame) = 0;
protected:
virtual ~VideoRenderCallback() {}
};
class IncomingVideoStream : public VideoRenderCallback {
public:
IncomingVideoStream(uint32_t stream_id, bool disable_prerenderer_smoothing);
~IncomingVideoStream();
// Get callback to deliver frames to the module.
VideoRenderCallback* ModuleCallback();
virtual int32_t RenderFrame(const uint32_t stream_id,
const VideoFrame& video_frame);
// Set callback to the platform dependent code.
void SetRenderCallback(VideoRenderCallback* render_callback);
// Callback for file recording, snapshot, ...
void SetExternalCallback(VideoRenderCallback* render_object);
// Start/Stop.
int32_t Start();
int32_t Stop();
// Clear all buffers.
int32_t Reset();
// Properties.
uint32_t StreamId() const;
uint32_t IncomingRate() const;
int32_t SetStartImage(const VideoFrame& video_frame);
int32_t SetTimeoutImage(const VideoFrame& video_frame,
const uint32_t timeout);
int32_t SetExpectedRenderDelay(int32_t delay_ms);
protected:
static bool IncomingVideoStreamThreadFun(void* obj);
bool IncomingVideoStreamProcess();
private:
enum { kEventStartupTimeMs = 10 };
enum { kEventMaxWaitTimeMs = 100 };
enum { kFrameRatePeriodMs = 1000 };
void DeliverFrame(const VideoFrame& video_frame);
uint32_t const stream_id_;
const bool disable_prerenderer_smoothing_;
// Critsects in allowed to enter order.
const rtc::scoped_ptr<CriticalSectionWrapper> stream_critsect_;
const rtc::scoped_ptr<CriticalSectionWrapper> thread_critsect_;
const rtc::scoped_ptr<CriticalSectionWrapper> buffer_critsect_;
// TODO(pbos): Make plain member and stop resetting this thread, just
// start/stoping it is enough.
rtc::scoped_ptr<rtc::PlatformThread> incoming_render_thread_
GUARDED_BY(thread_critsect_);
rtc::scoped_ptr<EventTimerWrapper> deliver_buffer_event_;
bool running_ GUARDED_BY(stream_critsect_);
VideoRenderCallback* external_callback_ GUARDED_BY(thread_critsect_);
VideoRenderCallback* render_callback_ GUARDED_BY(thread_critsect_);
const rtc::scoped_ptr<VideoRenderFrames> render_buffers_
GUARDED_BY(buffer_critsect_);
uint32_t incoming_rate_ GUARDED_BY(stream_critsect_);
int64_t last_rate_calculation_time_ms_ GUARDED_BY(stream_critsect_);
uint16_t num_frames_since_last_calculation_ GUARDED_BY(stream_critsect_);
int64_t last_render_time_ms_ GUARDED_BY(thread_critsect_);
VideoFrame temp_frame_ GUARDED_BY(thread_critsect_);
VideoFrame start_image_ GUARDED_BY(thread_critsect_);
VideoFrame timeout_image_ GUARDED_BY(thread_critsect_);
uint32_t timeout_time_ GUARDED_BY(thread_critsect_);
};
} // namespace webrtc
#endif // WEBRTC_COMMON_VIDEO_INCLUDE_INCOMING_VIDEO_STREAM_H_
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