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b6f002b55f
Bug: webrtc:11956 Change-Id: Id8734b8f0fd87ac9b849d70b0c5764bf1ffd9c75 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/185300 Commit-Queue: Ilya Nikolaevskiy <ilnik@webrtc.org> Reviewed-by: Henrik Boström <hbos@webrtc.org> Cr-Commit-Position: refs/heads/master@{#32225}
74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
/*
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* Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_VIDEO_CODING_CODECS_VP8_LIBVPX_VP8_DECODER_H_
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#define MODULES_VIDEO_CODING_CODECS_VP8_LIBVPX_VP8_DECODER_H_
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#include <memory>
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#include "absl/types/optional.h"
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#include "api/video/encoded_image.h"
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#include "api/video_codecs/video_decoder.h"
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#include "common_video/include/video_frame_buffer_pool.h"
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#include "modules/video_coding/codecs/vp8/include/vp8.h"
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#include "modules/video_coding/include/video_codec_interface.h"
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#include "vpx/vp8dx.h"
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#include "vpx/vpx_decoder.h"
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namespace webrtc {
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class LibvpxVp8Decoder : public VideoDecoder {
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public:
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LibvpxVp8Decoder();
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~LibvpxVp8Decoder() override;
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int InitDecode(const VideoCodec* inst, int number_of_cores) override;
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int Decode(const EncodedImage& input_image,
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bool missing_frames,
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int64_t /*render_time_ms*/) override;
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int RegisterDecodeCompleteCallback(DecodedImageCallback* callback) override;
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int Release() override;
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const char* ImplementationName() const override;
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struct DeblockParams {
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int max_level = 6; // Deblocking strength: [0, 16].
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int degrade_qp = 1; // If QP value is below, start lowering |max_level|.
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int min_qp = 0; // If QP value is below, turn off deblocking.
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};
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private:
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class QpSmoother;
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int ReturnFrame(const vpx_image_t* img,
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uint32_t timeStamp,
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int qp,
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const webrtc::ColorSpace* explicit_color_space);
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const bool use_postproc_;
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VideoFrameBufferPool buffer_pool_;
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DecodedImageCallback* decode_complete_callback_;
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bool inited_;
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vpx_codec_ctx_t* decoder_;
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int propagation_cnt_;
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int last_frame_width_;
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int last_frame_height_;
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bool key_frame_required_;
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const absl::optional<DeblockParams> deblock_params_;
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const std::unique_ptr<QpSmoother> qp_smoother_;
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// Decoder should produce this format if possible.
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const VideoFrameBuffer::Type preferred_output_format_;
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};
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} // namespace webrtc
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#endif // MODULES_VIDEO_CODING_CODECS_VP8_LIBVPX_VP8_DECODER_H_
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