48 lines
893 B
C
48 lines
893 B
C
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#ifndef SCAR_VIDEO_DECODER_H
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#define SCAR_VIDEO_DECODER_H
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#include <vector>
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#include <cstdint>
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#include <memory>
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#include <mutex>
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#include <QImage>
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extern "C" {
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#include <libavcodec/avcodec.h>
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#include <libavutil/imgutils.h>
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#include <libswscale/swscale.h>
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}
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namespace scar {
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class VideoDecoder {
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public:
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VideoDecoder();
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~VideoDecoder();
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// Initialize decoder
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bool initialize();
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// Decode H.264 packet and return RGB24 data
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// Returns empty vector if no frame ready yet
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std::vector<uint8_t> decode(const std::vector<uint8_t>& encoded_data, int& out_width, int& out_height);
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// Cleanup
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void cleanup();
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private:
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AVCodecContext* codec_ctx_;
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AVFrame* frame_;
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SwsContext* sws_ctx_;
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int width_;
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int height_;
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bool initialized_;
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std::mutex decode_mutex_;
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};
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} // namespace scar
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#endif // SCAR_VIDEO_DECODER_H
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