| /* |
| * 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. |
| * |
| */ |
| |
| #ifndef MODULES_VIDEO_CODING_CODECS_H264_H264_ENCODER_IMPL_H_ |
| #define MODULES_VIDEO_CODING_CODECS_H264_H264_ENCODER_IMPL_H_ |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "common_video/h264/h264_bitstream_parser.h" |
| #include "modules/video_coding/codecs/h264/include/h264.h" |
| #include "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 { |
| public: |
| 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 VideoBitrateAllocation& 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; |
| |
| // Exposed for testing. |
| H264PacketizationMode PacketizationModeForTesting() const { |
| return packetization_mode_; |
| } |
| |
| private: |
| 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 |
| |
| #endif // MODULES_VIDEO_CODING_CODECS_H264_H264_ENCODER_IMPL_H_ |