b420191743
Exposes VideoEncoders as part of the public API and provides a factory method for creating them. BUG=3070 R=mflodman@webrtc.org, stefan@webrtc.org Review URL: https://webrtc-codereview.appspot.com/21929004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@7114 4adac7df-926f-26a2-2b94-8c16560cd09d
71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
/*
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* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_VIDEO_ENCODER_H_
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#define WEBRTC_VIDEO_ENCODER_H_
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#include <vector>
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#include "webrtc/typedefs.h"
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#include "webrtc/video_frame.h"
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namespace webrtc {
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class RTPFragmentationHeader;
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// TODO(pbos): Expose these through a public (root) header or change these APIs.
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struct CodecSpecificInfo;
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struct VideoCodec;
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class EncodedImageCallback {
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public:
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virtual ~EncodedImageCallback() {}
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// Callback function which is called when an image has been encoded.
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// TODO(pbos): Make encoded_image const or pointer. Remove default arguments.
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virtual int32_t Encoded(
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EncodedImage& encoded_image,
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const CodecSpecificInfo* codec_specific_info = NULL,
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const RTPFragmentationHeader* fragmentation = NULL) = 0;
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};
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class VideoEncoder {
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public:
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enum EncoderType {
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kVp8,
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};
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static VideoEncoder* Create(EncoderType codec_type);
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virtual ~VideoEncoder() {}
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virtual int32_t InitEncode(const VideoCodec* codec_settings,
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int32_t number_of_cores,
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uint32_t max_payload_size) = 0;
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virtual int32_t RegisterEncodeCompleteCallback(
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EncodedImageCallback* callback) = 0;
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virtual int32_t Release() = 0;
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virtual int32_t Encode(const I420VideoFrame& frame,
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const CodecSpecificInfo* codec_specific_info,
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const std::vector<VideoFrameType>* frame_types) = 0;
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virtual int32_t SetChannelParameters(uint32_t packet_loss, int rtt) = 0;
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virtual int32_t SetRates(uint32_t bitrate, uint32_t framerate) = 0;
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virtual int32_t SetPeriodicKeyFrames(bool enable) { return -1; }
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virtual int32_t CodecConfigParameters(uint8_t* /*buffer*/, int32_t /*size*/) {
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return -1;
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}
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};
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} // namespace webrtc
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#endif // WEBRTC_VIDEO_ENCODER_H_
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