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/*
* Copyright (c) 2014 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_VIDEO_ENCODER_H_
#define WEBRTC_VIDEO_ENCODER_H_
#include <vector>
#include "webrtc/common_types.h"
#include "webrtc/typedefs.h"
#include "webrtc/video_frame.h"
namespace webrtc {
class RTPFragmentationHeader;
// TODO(pbos): Expose these through a public (root) header or change these APIs.
struct CodecSpecificInfo;
struct VideoCodec;
class EncodedImageCallback {
public:
virtual ~EncodedImageCallback() {}
// Callback function which is called when an image has been encoded.
// TODO(pbos): Make encoded_image const or pointer. Remove default arguments.
virtual int32_t Encoded(
EncodedImage& encoded_image,
const CodecSpecificInfo* codec_specific_info = NULL,
const RTPFragmentationHeader* fragmentation = NULL) = 0;
};
class VideoEncoder {
public:
enum EncoderType {
kVp8,
};
static VideoEncoder* Create(EncoderType codec_type);
static VideoCodecVP8 GetDefaultVp8Settings();
static VideoCodecH264 GetDefaultH264Settings();
virtual ~VideoEncoder() {}
virtual int32_t InitEncode(const VideoCodec* codec_settings,
int32_t number_of_cores,
uint32_t max_payload_size) = 0;
virtual int32_t RegisterEncodeCompleteCallback(
EncodedImageCallback* callback) = 0;
virtual int32_t Release() = 0;
virtual int32_t Encode(const I420VideoFrame& frame,
const CodecSpecificInfo* codec_specific_info,
const std::vector<VideoFrameType>* frame_types) = 0;
virtual int32_t SetChannelParameters(uint32_t packet_loss, int rtt) = 0;
virtual int32_t SetRates(uint32_t bitrate, uint32_t framerate) = 0;
virtual int32_t SetPeriodicKeyFrames(bool enable) { return -1; }
virtual int32_t CodecConfigParameters(uint8_t* /*buffer*/, int32_t /*size*/) {
return -1;
}
};
} // namespace webrtc
#endif // WEBRTC_VIDEO_ENCODER_H_
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