tor-browser

The Tor Browser
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libvpx_vp9_decoder.h (1989B)

      1 /*
      2 *  Copyright (c) 2020 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 
     12 #ifndef MODULES_VIDEO_CODING_CODECS_VP9_LIBVPX_VP9_DECODER_H_
     13 #define MODULES_VIDEO_CODING_CODECS_VP9_LIBVPX_VP9_DECODER_H_
     14 
     15 #ifdef RTC_ENABLE_VP9
     16 
     17 #include <cstdint>
     18 
     19 #include "api/video/color_space.h"
     20 #include "api/video/encoded_image.h"
     21 #include "api/video_codecs/video_decoder.h"
     22 #include "modules/video_coding/codecs/vp9/include/vp9.h"
     23 #include "modules/video_coding/codecs/vp9/vp9_frame_buffer_pool.h"
     24 #include "third_party/libvpx/source/libvpx/vpx/vpx_codec.h"
     25 #include "third_party/libvpx/source/libvpx/vpx/vpx_image.h"
     26 
     27 namespace webrtc {
     28 
     29 class LibvpxVp9Decoder : public VP9Decoder {
     30 public:
     31  LibvpxVp9Decoder();
     32  virtual ~LibvpxVp9Decoder();
     33 
     34  bool Configure(const Settings& settings) override;
     35 
     36  int Decode(const EncodedImage& input_image,
     37             int64_t /*render_time_ms*/) override;
     38 
     39  int RegisterDecodeCompleteCallback(DecodedImageCallback* callback) override;
     40 
     41  int Release() override;
     42 
     43  DecoderInfo GetDecoderInfo() const override;
     44  const char* ImplementationName() const override;
     45 
     46 private:
     47  int ReturnFrame(const vpx_image_t* img,
     48                  uint32_t timestamp,
     49                  int qp,
     50                  const ColorSpace* explicit_color_space);
     51 
     52  // Memory pool used to share buffers between libvpx and webrtc.
     53  Vp9FrameBufferPool libvpx_buffer_pool_;
     54  DecodedImageCallback* decode_complete_callback_;
     55  bool inited_;
     56  vpx_codec_ctx_t* decoder_;
     57  bool key_frame_required_;
     58  Settings current_settings_;
     59 };
     60 }  // namespace webrtc
     61 
     62 #endif  // RTC_ENABLE_VP9
     63 
     64 #endif  // MODULES_VIDEO_CODING_CODECS_VP9_LIBVPX_VP9_DECODER_H_