AVDictionary **options,
const AVIOInterruptCB &interrupt_cb);
AVFormatContextWithCloser avformat_open_input_unique(
int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),
AVDictionary **options,
const AVIOInterruptCB &interrupt_cb);
AVFormatContextWithCloser avformat_open_input_unique(
int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),