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/*
* Copyright (c) 2017 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_MULTIPLEX_INCLUDE_MULTIPLEX_DECODER_ADAPTER_H_
#define MODULES_VIDEO_CODING_CODECS_MULTIPLEX_INCLUDE_MULTIPLEX_DECODER_ADAPTER_H_
#include <map>
#include <memory>
#include <vector>
#include "api/video_codecs/sdp_video_format.h"
#include "api/video_codecs/video_decoder.h"
#include "api/video_codecs/video_decoder_factory.h"
#include "modules/video_coding/codecs/multiplex/include/multiplex_encoder_adapter.h"
namespace webrtc {
class MultiplexDecoderAdapter : public VideoDecoder {
public:
// `factory` is not owned and expected to outlive this class.
MultiplexDecoderAdapter(VideoDecoderFactory* factory,
const SdpVideoFormat& associated_format,
bool supports_augmenting_data = false);
virtual ~MultiplexDecoderAdapter();
// Implements VideoDecoder
bool Configure(const Settings& settings) override;
int32_t Decode(const EncodedImage& input_image,
bool missing_frames,
int64_t render_time_ms) override;
int32_t RegisterDecodeCompleteCallback(
DecodedImageCallback* callback) override;
int32_t Release() override;
void Decoded(AlphaCodecStream stream_idx,
VideoFrame* decoded_image,
absl::optional<int32_t> decode_time_ms,
absl::optional<uint8_t> qp);
private:
// Wrapper class that redirects Decoded() calls.
class AdapterDecodedImageCallback;
// Holds the decoded image output of a frame.
struct DecodedImageData;
// Holds the augmenting data of an image
struct AugmentingData;
void MergeAlphaImages(VideoFrame* decoded_image,
const absl::optional<int32_t>& decode_time_ms,
const absl::optional<uint8_t>& qp,
VideoFrame* multiplex_decoded_image,
const absl::optional<int32_t>& multiplex_decode_time_ms,
const absl::optional<uint8_t>& multiplex_qp,
std::unique_ptr<uint8_t[]> augmenting_data,
uint16_t augmenting_data_length);
VideoDecoderFactory* const factory_;
const SdpVideoFormat associated_format_;
std::vector<std::unique_ptr<VideoDecoder>> decoders_;
std::vector<std::unique_ptr<AdapterDecodedImageCallback>> adapter_callbacks_;
DecodedImageCallback* decoded_complete_callback_;
// Holds YUV or AXX decode output of a frame that is identified by timestamp.
std::map<uint32_t /* timestamp */, DecodedImageData> decoded_data_;
std::map<uint32_t /* timestamp */, AugmentingData> decoded_augmenting_data_;
const bool supports_augmenting_data_;
};
} // namespace webrtc
#endif // MODULES_VIDEO_CODING_CODECS_MULTIPLEX_INCLUDE_MULTIPLEX_DECODER_ADAPTER_H_
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