return AVERROR_INVALIDDATA;
}
- if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
- return ret;
-
chunk_id = AV_RL16(avpkt->data + 4);
if (chunk_id == HNM4_CHUNK_ID_PL) {
hnm_update_palette(avctx, avpkt->data, avpkt->size);
- frame->palette_has_changed = 1;
} else if (chunk_id == HNM4_CHUNK_ID_IZ) {
if (avpkt->size < 12) {
av_log(avctx, AV_LOG_ERROR, "packet too small\n");
return AVERROR_INVALIDDATA;
}
+ if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
+ return ret;
+
unpack_intraframe(avctx, avpkt->data + 12, avpkt->size - 12);
memcpy(hnm->previous, hnm->current, hnm->width * hnm->height);
if (hnm->version == 0x4a)
memcpy(frame->data[1], hnm->palette, 256 * 4);
*got_frame = 1;
} else if (chunk_id == HNM4_CHUNK_ID_IU) {
+ if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
+ return ret;
+
if (hnm->version == 0x4a) {
decode_interframe_v4a(avctx, avpkt->data + 8, avpkt->size - 8);
memcpy(hnm->processed, hnm->current, hnm->width * hnm->height);