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Diffstat (limited to 'third_party/libwebrtc/modules/video_coding/codecs/vp8/libvpx_vp8_decoder.h')
-rw-r--r-- | third_party/libwebrtc/modules/video_coding/codecs/vp8/libvpx_vp8_decoder.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/video_coding/codecs/vp8/libvpx_vp8_decoder.h b/third_party/libwebrtc/modules/video_coding/codecs/vp8/libvpx_vp8_decoder.h new file mode 100644 index 0000000000..f9acd70bad --- /dev/null +++ b/third_party/libwebrtc/modules/video_coding/codecs/vp8/libvpx_vp8_decoder.h @@ -0,0 +1,74 @@ +/* + * Copyright (c) 2018 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_VP8_LIBVPX_VP8_DECODER_H_ +#define MODULES_VIDEO_CODING_CODECS_VP8_LIBVPX_VP8_DECODER_H_ + +#include <memory> + +#include "absl/types/optional.h" +#include "api/video/encoded_image.h" +#include "api/video_codecs/video_decoder.h" +#include "common_video/include/video_frame_buffer_pool.h" +#include "modules/video_coding/codecs/vp8/include/vp8.h" +#include "modules/video_coding/include/video_codec_interface.h" +#include "vpx/vp8dx.h" +#include "vpx/vpx_decoder.h" + +namespace webrtc { + +class LibvpxVp8Decoder : public VideoDecoder { + public: + LibvpxVp8Decoder(); + ~LibvpxVp8Decoder() override; + + bool Configure(const Settings& settings) override; + int Decode(const EncodedImage& input_image, + bool missing_frames, + int64_t /*render_time_ms*/) override; + + int RegisterDecodeCompleteCallback(DecodedImageCallback* callback) override; + int Release() override; + + DecoderInfo GetDecoderInfo() const override; + const char* ImplementationName() const override; + + struct DeblockParams { + DeblockParams() : max_level(6), degrade_qp(1), min_qp(0) {} + DeblockParams(int max_level, int degrade_qp, int min_qp) + : max_level(max_level), degrade_qp(degrade_qp), min_qp(min_qp) {} + int max_level; // Deblocking strength: [0, 16]. + int degrade_qp; // If QP value is below, start lowering `max_level`. + int min_qp; // If QP value is below, turn off deblocking. + }; + + private: + class QpSmoother; + int ReturnFrame(const vpx_image_t* img, + uint32_t timeStamp, + int qp, + const webrtc::ColorSpace* explicit_color_space); + const bool use_postproc_; + + VideoFrameBufferPool buffer_pool_; + DecodedImageCallback* decode_complete_callback_; + bool inited_; + vpx_codec_ctx_t* decoder_; + int propagation_cnt_; + int last_frame_width_; + int last_frame_height_; + bool key_frame_required_; + const absl::optional<DeblockParams> deblock_params_; + const std::unique_ptr<QpSmoother> qp_smoother_; +}; + +} // namespace webrtc + +#endif // MODULES_VIDEO_CODING_CODECS_VP8_LIBVPX_VP8_DECODER_H_ |