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/*
* Copyright (c) 2016 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_API_ANDROIDVIDEOTRACKSOURCE_H_
#define WEBRTC_API_ANDROIDVIDEOTRACKSOURCE_H_
#include "webrtc/api/android/jni/native_handle_impl.h"
#include "webrtc/api/android/jni/surfacetexturehelper_jni.h"
#include "webrtc/api/mediastreaminterface.h"
#include "webrtc/api/notifier.h"
#include "webrtc/base/asyncinvoker.h"
#include "webrtc/base/checks.h"
#include "webrtc/base/thread_checker.h"
#include "webrtc/base/timestampaligner.h"
#include "webrtc/common_video/include/i420_buffer_pool.h"
#include "webrtc/media/base/videoadapter.h"
#include "webrtc/media/base/videobroadcaster.h"
#include "webrtc/media/base/videosinkinterface.h"
namespace webrtc {
class AndroidVideoTrackSource : public Notifier<VideoTrackSourceInterface> {
public:
AndroidVideoTrackSource(rtc::Thread* signaling_thread,
JNIEnv* jni,
jobject j_egl_context,
bool is_screencast = false);
bool is_screencast() const override { return is_screencast_; }
// Indicates that the encoder should denoise video before encoding it.
// If it is not set, the default configuration is used which is different
// depending on video codec.
rtc::Optional<bool> needs_denoising() const override {
return rtc::Optional<bool>(false);
}
// Returns false if no stats are available, e.g, for a remote
// source, or a source which has not seen its first frame yet.
// Should avoid blocking.
bool GetStats(Stats* stats) override;
// Called by the native capture observer
void SetState(SourceState state);
SourceState state() const override { return state_; }
bool remote() const override { return false; }
void AddOrUpdateSink(rtc::VideoSinkInterface<cricket::VideoFrame>* sink,
const rtc::VideoSinkWants& wants) override;
void RemoveSink(rtc::VideoSinkInterface<cricket::VideoFrame>* sink) override;
void OnByteBufferFrameCaptured(const void* frame_data,
int length,
int width,
int height,
int rotation,
int64_t timestamp_ns);
void OnTextureFrameCaptured(int width,
int height,
int rotation,
int64_t timestamp_ns,
const webrtc_jni::NativeHandleImpl& handle);
void OnOutputFormatRequest(int width, int height, int fps);
rtc::scoped_refptr<webrtc_jni::SurfaceTextureHelper>
surface_texture_helper() {
return surface_texture_helper_;
}
private:
rtc::Thread* signaling_thread_;
rtc::AsyncInvoker invoker_;
rtc::ThreadChecker worker_thread_checker_;
rtc::ThreadChecker camera_thread_checker_;
rtc::CriticalSection stats_crit_;
rtc::Optional<Stats> stats_ GUARDED_BY(stats_crit_);
SourceState state_;
rtc::VideoBroadcaster broadcaster_;
rtc::TimestampAligner timestamp_aligner_;
cricket::VideoAdapter video_adapter_;
rtc::CriticalSection apply_rotation_crit_;
bool apply_rotation_ GUARDED_BY(apply_rotation_crit_);
std::vector<uint8_t> unscaled_uv_planes_;
webrtc::I420BufferPool buffer_pool_;
rtc::scoped_refptr<webrtc_jni::SurfaceTextureHelper> surface_texture_helper_;
const bool is_screencast_;
void OnFrame(const cricket::VideoFrame& frame, int width, int height);
void OnSinkWantsChanged(const rtc::VideoSinkWants& wants);
bool AdaptFrame(int width,
int height,
int64_t camera_time_us,
int* out_width,
int* out_height,
int* crop_width,
int* crop_height,
int* crop_x,
int* crop_y,
int64_t* translated_camera_time_us);
};
} // namespace webrtc
#endif // WEBRTC_API_ANDROIDVIDEOTRACKSOURCE_H_