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media / gpu / vaapi / test / vp9_decoder.h [blame]
// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_GPU_VAAPI_TEST_VP9_DECODER_H_
#define MEDIA_GPU_VAAPI_TEST_VP9_DECODER_H_
#include "media/gpu/vaapi/test/video_decoder.h"
#include "media/parsers/vp9_parser.h"
namespace media {
class IvfParser;
namespace vaapi_test {
class ScopedVAConfig;
class ScopedVAContext;
class SharedVASurface;
class VaapiDevice;
// A Vp9Decoder decodes VP9-encoded IVF streams using direct libva calls.
class Vp9Decoder : public VideoDecoder {
public:
Vp9Decoder(std::unique_ptr<IvfParser> ivf_parser,
const VaapiDevice& va_device,
SharedVASurface::FetchPolicy fetch_policy);
Vp9Decoder(const Vp9Decoder&) = delete;
Vp9Decoder& operator=(const Vp9Decoder&) = delete;
~Vp9Decoder() override;
// VideoDecoder implementation.
VideoDecoder::Result DecodeNextFrame() override;
private:
// Reads next frame from IVF stream and its size into |vp9_frame_header| and
// |size| respectively.
Vp9Parser::Result ReadNextFrame(Vp9FrameHeader& vp9_frame_header,
gfx::Size& size);
// Refreshes current reference frame slots to refer to |surface| according to
// |refresh_frame_flags|.
void RefreshReferenceSlots(uint8_t refresh_frame_flags,
scoped_refptr<SharedVASurface> surface);
// VA handles.
std::unique_ptr<ScopedVAConfig> va_config_;
std::unique_ptr<ScopedVAContext> va_context_;
// VP9-specific data.
const std::unique_ptr<Vp9Parser> vp9_parser_;
std::vector<scoped_refptr<SharedVASurface>> ref_frames_;
// Parser for the IVF stream to decode.
const std::unique_ptr<IvfParser> ivf_parser_;
};
} // namespace vaapi_test
} // namespace media
#endif // MEDIA_GPU_VAAPI_TEST_VP9_DECODER_H_