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| 1 /* |
| 2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 #ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_ALPHA_INCLUDE_ALPHA_ENCODER_ADAPTER_H
_ |
| 12 #define WEBRTC_MODULES_VIDEO_CODING_CODECS_ALPHA_INCLUDE_ALPHA_ENCODER_ADAPTER_H
_ |
| 13 |
| 14 #include <map> |
| 15 #include <memory> |
| 16 #include <vector> |
| 17 |
| 18 #include "webrtc/api/video_codecs/video_encoder.h" |
| 19 #include "webrtc/modules/video_coding/include/video_codec_interface.h" |
| 20 |
| 21 namespace webrtc { |
| 22 |
| 23 enum StereoCodecStream { |
| 24 kYUVStream = 0, |
| 25 kAXXStream = 1, |
| 26 kStereoCodecStreams = 2, |
| 27 }; |
| 28 |
| 29 class StereoEncoderAdapter : public VideoEncoder { |
| 30 public: |
| 31 explicit StereoEncoderAdapter(VideoEncoderFactory* factory); |
| 32 virtual ~StereoEncoderAdapter(); |
| 33 |
| 34 // Implements VideoEncoder |
| 35 int InitEncode(const VideoCodec* inst, |
| 36 int number_of_cores, |
| 37 size_t max_payload_size) override; |
| 38 int Encode(const VideoFrame& input_image, |
| 39 const CodecSpecificInfo* codec_specific_info, |
| 40 const std::vector<FrameType>* frame_types) override; |
| 41 int RegisterEncodeCompleteCallback(EncodedImageCallback* callback) override; |
| 42 int SetChannelParameters(uint32_t packet_loss, int64_t rtt) override; |
| 43 int SetRateAllocation(const BitrateAllocation& bitrate, |
| 44 uint32_t new_framerate) override; |
| 45 int Release() override; |
| 46 const char* ImplementationName() const override { |
| 47 return "StereoEncoderAdapter"; |
| 48 } |
| 49 |
| 50 EncodedImageCallback::Result OnEncodedImage( |
| 51 StereoCodecStream stream_idx, |
| 52 const EncodedImage& encodedImage, |
| 53 const CodecSpecificInfo* codecSpecificInfo, |
| 54 const RTPFragmentationHeader* fragmentation); |
| 55 |
| 56 private: |
| 57 // Wrapper class that redirects OnEncodedImage() calls. |
| 58 class AdapterEncodedImageCallback; |
| 59 |
| 60 // Holds the encoded image output of a frame. |
| 61 struct EncodedImageData; |
| 62 |
| 63 EncodedImageCallback::Result SendEncodedImages( |
| 64 const EncodedImage& encoded_image, |
| 65 const CodecSpecificInfo* codec_specific_info, |
| 66 const RTPFragmentationHeader* fragmentation, |
| 67 const EncodedImage& stereo_encoded_image, |
| 68 const CodecSpecificInfo* stereo_codec_specific_info, |
| 69 const RTPFragmentationHeader* stereo_fragmentation); |
| 70 |
| 71 std::unique_ptr<VideoEncoderFactory> factory_; |
| 72 std::vector<VideoEncoder*> encoders_; |
| 73 std::vector<std::unique_ptr<AdapterEncodedImageCallback>> adapter_callbacks_; |
| 74 EncodedImageCallback* encoded_complete_callback_; |
| 75 |
| 76 // Holds YUV or AXX encode output of a frame that is identified by timestamp. |
| 77 std::map<uint32_t /* timestamp */, EncodedImageData> encoded_data_; |
| 78 |
| 79 std::vector<uint8_t> merged_image_buffer_; |
| 80 std::vector<uint8_t> stereo_dummy_planes_; |
| 81 }; |
| 82 |
| 83 } // namespace webrtc |
| 84 |
| 85 #endif // WEBRTC_MODULES_VIDEO_CODING_CODECS_ALPHA_INCLUDE_ALPHA_ENCODER_ADAPTE
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