+
+int ff_standardize_creation_time(AVFormatContext *s)
+{
+ int64_t timestamp;
+ int ret = ff_parse_creation_time_metadata(s, ×tamp, 0);
+ if (ret == 1) {
+ time_t seconds = timestamp / 1000000;
+ struct tm *ptm, tmbuf;
+ ptm = gmtime_r(&seconds, &tmbuf);
+ if (ptm) {
+ char buf[32];
+ if (!strftime(buf, sizeof(buf), "%Y-%m-%dT%H:%M:%S", ptm))
+ return AVERROR_EXTERNAL;
+ av_strlcatf(buf, sizeof(buf), ".%06dZ", (int)(timestamp % 1000000));
+ av_dict_set(&s->metadata, "creation_time", buf, 0);
+ } else {
+ return AVERROR_EXTERNAL;
+ }
+ }
+ return ret;
+}
+
+int ff_get_packet_palette(AVFormatContext *s, AVPacket *pkt, int ret, uint32_t *palette)
+{
+ uint8_t *side_data;
+ int size;
+
+ side_data = av_packet_get_side_data(pkt, AV_PKT_DATA_PALETTE, &size);
+ if (side_data) {
+ if (size != AVPALETTE_SIZE) {
+ av_log(s, AV_LOG_ERROR, "Invalid palette side data\n");
+ return AVERROR_INVALIDDATA;
+ }
+ memcpy(palette, side_data, AVPALETTE_SIZE);
+ return 1;
+ }
+
+ if (ret == CONTAINS_PAL) {
+ int i;
+ for (i = 0; i < AVPALETTE_COUNT; i++)
+ palette[i] = AV_RL32(pkt->data + pkt->size - AVPALETTE_SIZE + i*4);
+ return 1;
+ }
+
+ return 0;
+}