+ return 0;
+}
+
+static int decode_picture_timing(H264SEIPictureTiming *h, GetBitContext *gb,
+ void *logctx)
+{
+ int index = get_bits_count(gb);
+ int size_bits = get_bits_left(gb);
+ int size = (size_bits + 7) / 8;
+
+ if (index & 7) {
+ av_log(logctx, AV_LOG_ERROR, "Unaligned SEI payload\n");
+ return AVERROR_INVALIDDATA;
+ }
+ if (size > sizeof(h->payload)) {
+ av_log(logctx, AV_LOG_ERROR, "Picture timing SEI payload too large\n");
+ return AVERROR_INVALIDDATA;
+ }
+ memcpy(h->payload, gb->buffer + index / 8, size);
+
+ h->payload_size_bits = size_bits;
+