static int decode_display_orientation(H264Context *h) { h->sei_display_orientation_present = !get_bits1(&h->gb); if (h->sei_display_orientation_present) { h->sei_hflip = get_bits1(&h->gb); // hor_flip h->sei_vflip = get_bits1(&h->gb); // ver_flip h->sei_anticlockwise_rotation = get_bits(&h->gb, 16); get_ue_golomb(&h->gb); // display_orientation_repetition_period skip_bits1(&h->gb); // display_orientation_extension_flag } return 0; }