static int qt_rtp_parse_packet(AVFormatContext *s, PayloadContext *qt,
AVStream *st, AVPacket *pkt,
uint32_t *timestamp, const uint8_t *buf,
static int qt_rtp_parse_packet(AVFormatContext *s, PayloadContext *qt,
AVStream *st, AVPacket *pkt,
uint32_t *timestamp, const uint8_t *buf,