uint8_t* av_packet_get_side_data(const AVPacket *pkt, enum AVPacketSideDataType type,
int *size);
+#if FF_API_MERGE_SD_API
+attribute_deprecated
int av_packet_merge_side_data(AVPacket *pkt);
+attribute_deprecated
int av_packet_split_side_data(AVPacket *pkt);
+#endif
const char *av_packet_side_data_name(enum AVPacketSideDataType type);