blob: a455259bf2b93c42f3d8bb3b78a1947d6543bce7 [file] [log] [blame]
* Copyright (c) 2015 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.
#include <memory>
#include <vector>
#include "webrtc/common_video/h264/h264_bitstream_parser.h"
#include "webrtc/modules/video_coding/codecs/h264/include/h264.h"
#include "webrtc/modules/video_coding/utility/quality_scaler.h"
#include "third_party/openh264/src/codec/api/svc/codec_app_def.h"
class ISVCEncoder;
namespace webrtc {
class H264EncoderImpl : public H264Encoder {
explicit H264EncoderImpl(const cricket::VideoCodec& codec);
~H264EncoderImpl() override;
// |max_payload_size| is ignored.
// The following members of |codec_settings| are used. The rest are ignored.
// - codecType (must be kVideoCodecH264)
// - targetBitrate
// - maxFramerate
// - width
// - height
int32_t InitEncode(const VideoCodec* codec_settings,
int32_t number_of_cores,
size_t max_payload_size) override;
int32_t Release() override;
int32_t RegisterEncodeCompleteCallback(
EncodedImageCallback* callback) override;
int32_t SetRateAllocation(const BitrateAllocation& bitrate_allocation,
uint32_t framerate) override;
// The result of encoding - an EncodedImage and RTPFragmentationHeader - are
// passed to the encode complete callback.
int32_t Encode(const VideoFrame& frame,
const CodecSpecificInfo* codec_specific_info,
const std::vector<FrameType>* frame_types) override;
const char* ImplementationName() const override;
VideoEncoder::ScalingSettings GetScalingSettings() const override;
// Unsupported / Do nothing.
int32_t SetChannelParameters(uint32_t packet_loss, int64_t rtt) override;
int32_t SetPeriodicKeyFrames(bool enable) override;
// Exposed for testing.
H264PacketizationMode PacketizationModeForTesting() const {
return packetization_mode_;
bool IsInitialized() const;
SEncParamExt CreateEncoderParams() const;
webrtc::H264BitstreamParser h264_bitstream_parser_;
// Reports statistics with histograms.
void ReportInit();
void ReportError();
ISVCEncoder* openh264_encoder_;
// Settings that are used by this encoder.
int width_;
int height_;
float max_frame_rate_;
uint32_t target_bps_;
uint32_t max_bps_;
VideoCodecMode mode_;
// H.264 specifc parameters
bool frame_dropping_on_;
int key_frame_interval_;
H264PacketizationMode packetization_mode_;
size_t max_payload_size_;
int32_t number_of_cores_;
EncodedImage encoded_image_;
std::unique_ptr<uint8_t[]> encoded_image_buffer_;
EncodedImageCallback* encoded_image_callback_;
bool has_reported_init_;
bool has_reported_error_;
} // namespace webrtc