Lines Matching defs:extradata
30 * via the AVCodecContext's extradata[_size] field:
32 * AVCodecContext.extradata = pointer to ImageDescription, first characters
1121 unsigned char *extradata;
1155 /* prowl for the "SEQH" marker in the extradata */
1156 extradata = (unsigned char *)avctx->extradata;
1157 extradata_end = avctx->extradata + avctx->extradata_size;
1158 if (extradata) {
1160 if (!memcmp(extradata, "SEQH", 4)) {
1164 extradata++;
1175 size = AV_RB32(&extradata[4]);
1176 if (size > extradata_end - extradata - 8)
1178 init_get_bits(&gb, extradata + 8, size * 8);
1268 if (uncompress(buf, &buf_len, extradata + 8 + offset,