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// 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.
#ifndef MEDIA_CAST_SENDER_SOFTWARE_VIDEO_ENCODER_H_
#define MEDIA_CAST_SENDER_SOFTWARE_VIDEO_ENCODER_H_
#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
namespace base {
class TimeTicks;
}
namespace media {
class VideoFrame;
}
namespace media {
namespace cast {
struct EncodedFrame;
class SoftwareVideoEncoder {
public:
virtual ~SoftwareVideoEncoder() {}
// Initialize the encoder before Encode() can be called. This method
// must be called on the thread that Encode() is called.
virtual void Initialize() = 0;
// Encode a raw image (as a part of a video stream).
virtual void Encode(const scoped_refptr<media::VideoFrame>& video_frame,
const base::TimeTicks& reference_time,
EncodedFrame* encoded_frame) = 0;
// Update the encoder with a new target bit rate.
virtual void UpdateRates(uint32 new_bitrate) = 0;
// Set the next frame to be a key frame.
virtual void GenerateKeyFrame() = 0;
// Set the last frame to reference.
virtual void LatestFrameIdToReference(uint32 frame_id) = 0;
};
} // namespace cast
} // namespace media
#endif // MEDIA_CAST_SENDER_SOFTWARE_VIDEO_ENCODER_H_