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51 lines
1.5 KiB
51 lines
1.5 KiB
#pragma once
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#include <memory>
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#include <string>
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#include <vector>
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#include "cereal/visionipc/visionbuf.h"
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#include "tools/replay/filereader.h"
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extern "C" {
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#include <libavcodec/avcodec.h>
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#include <libavformat/avformat.h>
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}
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struct AVFrameDeleter {
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void operator()(AVFrame* frame) const { av_frame_free(&frame); }
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};
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class FrameReader {
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public:
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FrameReader();
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~FrameReader();
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bool load(const std::string &url, bool no_hw_decoder = false, std::atomic<bool> *abort = nullptr, bool local_cache = false,
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int chunk_size = -1, int retries = 0);
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bool load(const std::byte *data, size_t size, bool no_hw_decoder = false, std::atomic<bool> *abort = nullptr);
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bool get(int idx, VisionBuf *buf);
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int getYUVSize() const { return width * height * 3 / 2; }
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size_t getFrameCount() const { return packets.size(); }
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bool valid() const { return valid_; }
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int width = 0, height = 0;
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private:
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bool initHardwareDecoder(AVHWDeviceType hw_device_type);
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bool decode(int idx, VisionBuf *buf);
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AVFrame * decodeFrame(AVPacket *pkt);
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bool copyBuffers(AVFrame *f, VisionBuf *buf);
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std::vector<AVPacket*> packets;
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std::unique_ptr<AVFrame, AVFrameDeleter>av_frame_, hw_frame;
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AVFormatContext *input_ctx = nullptr;
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AVCodecContext *decoder_ctx = nullptr;
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int key_frames_count_ = 0;
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bool valid_ = false;
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AVIOContext *avio_ctx_ = nullptr;
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AVPixelFormat hw_pix_fmt = AV_PIX_FMT_NONE;
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AVBufferRef *hw_device_ctx = nullptr;
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int prev_idx = -1;
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inline static std::atomic<bool> has_hw_decoder = true;
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};
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