libvpx_vp9_decoder.h

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/*

 *  Copyright (c) 2020 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_VP9_LIBVPX_VP9_DECODER_H_

#define MODULES_VIDEO_CODING_CODECS_VP9_LIBVPX_VP9_DECODER_H_

#ifdef RTC_ENABLE_VP9

#include "api/video_codecs/video_decoder.h"

#include "modules/video_coding/codecs/vp9/include/vp9.h"

#include "modules/video_coding/codecs/vp9/vp9_frame_buffer_pool.h"

#include "vpx/vp8cx.h"

namespace webrtc {

class LibvpxVp9Decoder : public VP9Decoder {

 public:

  LibvpxVp9Decoder();

  virtual ~LibvpxVp9Decoder();

  bool Configure(const Settings& settings) override;

  int Decode(const EncodedImage& input_image,

             int64_t /*render_time_ms*/) override;

  int RegisterDecodeCompleteCallback(DecodedImageCallback* callback) override;

  int Release() override;

  DecoderInfo GetDecoderInfo() const override;

  const char* ImplementationName() const override;

 private:

  int ReturnFrame(const vpx_image_t* img,

                  uint32_t timestamp,

                  int qp,

                  const webrtc::ColorSpace* explicit_color_space);

  // Memory pool used to share buffers between libvpx and webrtc.

  Vp9FrameBufferPool libvpx_buffer_pool_;

  DecodedImageCallback* decode_complete_callback_;

  bool inited_;

  vpx_codec_ctx_t* decoder_;

  bool key_frame_required_;

  Settings current_settings_;

};

}  // namespace webrtc

#endif  // RTC_ENABLE_VP9

#endif  // MODULES_VIDEO_CODING_CODECS_VP9_LIBVPX_VP9_DECODER_H_