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53d4be223b
Bug: webrtc:13045 Change-Id: I1fa28a7c2dd59f0889d98c8ec5f58161c0ec9f95 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/228380 Reviewed-by: Åsa Persson <asapersson@webrtc.org> Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/master@{#34716}
77 lines
2.6 KiB
C++
77 lines
2.6 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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bool Configure(const Settings& settings) 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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DecoderInfo GetDecoderInfo() const override;
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const char* ImplementationName() const override;
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struct DeblockParams {
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DeblockParams() : max_level(6), degrade_qp(1), min_qp(0) {}
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DeblockParams(int max_level, int degrade_qp, int min_qp)
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: max_level(max_level), degrade_qp(degrade_qp), min_qp(min_qp) {}
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int max_level; // Deblocking strength: [0, 16].
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int degrade_qp; // If QP value is below, start lowering `max_level`.
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int min_qp; // 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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