#ifndef AVUTILS_H #define AVUTILS_H extern "C" { #include } AVRational get_video_frame_rate(AVFormatContext *ifmt_ctx, int in_vstream_idx); int64_t get_video_frame_count(AVFormatContext *ifmt_ctx, int in_vstream_idx); AVPixelFormat get_encoder_default_pix_fmt(const AVCodec *encoder, AVPixelFormat target_pix_fmt); float get_frame_diff(AVFrame *frame1, AVFrame *frame2); void av_bufferref_deleter(AVBufferRef *bufferref); void av_frame_deleter(AVFrame *frame); void av_packet_deleter(AVPacket *packet); #endif // AVUTILS_H