3c6eac2860
Framerate-reduction code is disabled on all platforms, and this code adds complexity. It's necessary to react fast, especially on mobile platforms or other bad network conditions and framerate reduction adds another step between HD and QVGA. BUG=webrtc:5678, webrtc:5830 R=jackychen@webrtc.org, mflodman@webrtc.org Review URL: https://codereview.webrtc.org/1885893002 . Cr-Commit-Position: refs/heads/master@{#12503}
100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
/*
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* Copyright (c) 2012 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_MODULES_VIDEO_CODING_GENERIC_ENCODER_H_
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#define WEBRTC_MODULES_VIDEO_CODING_GENERIC_ENCODER_H_
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#include <stdio.h>
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#include <vector>
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#include "webrtc/modules/video_coding/include/video_codec_interface.h"
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#include "webrtc/modules/video_coding/include/video_coding_defines.h"
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#include "webrtc/base/criticalsection.h"
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namespace webrtc {
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class CriticalSectionWrapper;
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namespace media_optimization {
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class MediaOptimization;
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} // namespace media_optimization
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struct EncoderParameters {
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uint32_t target_bitrate;
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uint8_t loss_rate;
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int64_t rtt;
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uint32_t input_frame_rate;
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};
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class VCMEncodedFrameCallback : public EncodedImageCallback {
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public:
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explicit VCMEncodedFrameCallback(EncodedImageCallback* post_encode_callback);
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virtual ~VCMEncodedFrameCallback();
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// Implements EncodedImageCallback.
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int32_t Encoded(const EncodedImage& encoded_image,
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const CodecSpecificInfo* codec_specific,
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const RTPFragmentationHeader* fragmentation_header) override;
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int32_t SetTransportCallback(VCMPacketizationCallback* transport);
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void SetMediaOpt(media_optimization::MediaOptimization* media_opt);
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void SetInternalSource(bool internal_source) {
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internal_source_ = internal_source;
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}
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void SignalLastEncoderImplementationUsed(
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const char* encoder_implementation_name);
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private:
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VCMPacketizationCallback* send_callback_;
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media_optimization::MediaOptimization* media_opt_;
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bool internal_source_;
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EncodedImageCallback* post_encode_callback_;
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};
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class VCMGenericEncoder {
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friend class VCMCodecDataBase;
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public:
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VCMGenericEncoder(VideoEncoder* encoder,
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VideoEncoderRateObserver* rate_observer,
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VCMEncodedFrameCallback* encoded_frame_callback,
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bool internal_source);
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~VCMGenericEncoder();
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int32_t Release();
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int32_t InitEncode(const VideoCodec* settings,
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int32_t number_of_cores,
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size_t max_payload_size);
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int32_t Encode(const VideoFrame& frame,
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const CodecSpecificInfo* codec_specific,
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const std::vector<FrameType>& frame_types);
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void SetEncoderParameters(const EncoderParameters& params);
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EncoderParameters GetEncoderParameters() const;
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int32_t SetPeriodicKeyFrames(bool enable);
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int32_t RequestFrame(const std::vector<FrameType>& frame_types);
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bool InternalSource() const;
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void OnDroppedFrame();
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bool SupportsNativeHandle() const;
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private:
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VideoEncoder* const encoder_;
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VideoEncoderRateObserver* const rate_observer_;
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VCMEncodedFrameCallback* const vcm_encoded_frame_callback_;
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const bool internal_source_;
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rtc::CriticalSection params_lock_;
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EncoderParameters encoder_params_ GUARDED_BY(params_lock_);
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bool is_screenshare_;
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_VIDEO_CODING_GENERIC_ENCODER_H_
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