static int decode_nal_sei_prefix(HEVCContext *s, int type, int size)
{
GetBitContext *gb = &s->HEVClc->gb;
switch (type) {
case 256: // Mismatched value from HM 8.1
return decode_nal_sei_decoded_picture_hash(s);
case SEI_TYPE_FRAME_PACKING:
return decode_nal_sei_frame_packing_arrangement(s);
case SEI_TYPE_DISPLAY_ORIENTATION:
return decode_nal_sei_display_orientation(s);
case SEI_TYPE_PICTURE_TIMING:
{
int ret = decode_pic_timing(s);
av_log(s->avctx, AV_LOG_DEBUG, "Skipped PREFIX SEI %d\n", type);
skip_bits(gb, 8 * size);
return ret;
}
case SEI_TYPE_ACTIVE_PARAMETER_SETS:
active_parameter_sets(s);
av_log(s->avctx, AV_LOG_DEBUG, "Skipped PREFIX SEI %d\n", type);
return 0;
case SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35:
return decode_nal_sei_user_data_registered_itu_t_t35(s, size);
default:
av_log(s->avctx, AV_LOG_DEBUG, "Skipped PREFIX SEI %d\n", type);
skip_bits_long(gb, 8 * size);
return 0;
}
}
static int decode_nal_sei_message(HEVCContext *s)
{
GetBitContext *gb = &s->HEVClc->gb;
int payload_type = 0;
int payload_size = 0;
int byte = 0xFF;
av_log(s->avctx, AV_LOG_DEBUG, "Decoding SEI\n");
while (byte == 0xFF) {
byte = get_bits(gb, 8);
payload_type += byte;
}
byte = 0xFF;
while (byte == 0xFF) {
byte = get_bits(gb, 8);
payload_size += byte;
}
if (s->nal_unit_type == NAL_SEI_PREFIX) {
if (payload_type == 256 /*&& s->decode_checksum_sei*/) {
decode_nal_sei_decoded_picture_hash(s);
} else if (payload_type == 45) {
decode_nal_sei_frame_packing_arrangement(s);
} else if (payload_type == 47) {
decode_nal_sei_display_orientation(s);
} else if (payload_type == 1){
int ret = decode_pic_timing(s);
av_log(s->avctx, AV_LOG_DEBUG, "Skipped PREFIX SEI %d\n", payload_type);
skip_bits(gb, 8 * payload_size);
return ret;
} else if (payload_type == 129){
active_parameter_sets(s);
av_log(s->avctx, AV_LOG_DEBUG, "Skipped PREFIX SEI %d\n", payload_type);
} else {
av_log(s->avctx, AV_LOG_DEBUG, "Skipped PREFIX SEI %d\n", payload_type);
skip_bits(gb, 8*payload_size);
}
} else { /* nal_unit_type == NAL_SEI_SUFFIX */
if (payload_type == 132 /* && s->decode_checksum_sei */)
decode_nal_sei_decoded_picture_hash(s);
else {
av_log(s->avctx, AV_LOG_DEBUG, "Skipped SUFFIX SEI %d\n", payload_type);
skip_bits(gb, 8 * payload_size);
}
}
return 1;
}
