blob: 7572c4adcfc5eb6291705697bc9869209f030aee [file] [log] [blame]
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/memory/scoped_ptr.h"
#include "media/cast/cast_config.h"
#include "media/cast/cast_environment.h"
#include "media/cast/sender/software_video_encoder.h"
#include "media/cast/sender/video_encoder.h"
namespace media {
class VideoFrame;
namespace cast {
// This object is called external from the main cast thread and internally from
// the video encoder thread.
class VideoEncoderImpl : public VideoEncoder {
struct CodecDynamicConfig {
bool key_frame_requested;
uint32 latest_frame_id_to_reference;
int bit_rate;
typedef base::Callback<void(scoped_ptr<EncodedFrame>)>
// Returns true if VideoEncoderImpl can be used with the given |video_config|.
static bool IsSupported(const VideoSenderConfig& video_config);
VideoEncoderImpl(scoped_refptr<CastEnvironment> cast_environment,
const VideoSenderConfig& video_config,
const StatusChangeCallback& status_change_cb);
~VideoEncoderImpl() override;
// VideoEncoder implementation.
bool EncodeVideoFrame(
const scoped_refptr<media::VideoFrame>& video_frame,
const base::TimeTicks& reference_time,
const FrameEncodedCallback& frame_encoded_callback) override;
void SetBitRate(int new_bit_rate) override;
void GenerateKeyFrame() override;
void LatestFrameIdToReference(uint32 frame_id) override;
scoped_refptr<CastEnvironment> cast_environment_;
CodecDynamicConfig dynamic_config_;
// This member belongs to the video encoder thread. It must not be
// dereferenced on the main thread. We manage the lifetime of this member
// manually because it needs to be initialize, used and destroyed on the
// video encoder thread and video encoder thread can out-live the main thread.
scoped_ptr<SoftwareVideoEncoder> encoder_;
} // namespace cast
} // namespace media