doc: fix dependencies in pod generation

[ffmpeg] / libavcodec / ivi_common.c

diff --git a/libavcodec/ivi_common.c b/libavcodec/ivi_common.c
index 9b81094411be710f1b5dd195e725a4b7e00de844..76782e517320ac217f9cf666c8a0ce9ed7af9b67 100644 (file)
--- a/libavcodec/ivi_common.c
+++ b/libavcodec/ivi_common.c
@@ -460,6 +460,11 @@ static int ivi_decode_blocks(GetBitContext *gb, IVIBandDesc *band, IVITile *tile
             }
 
             if (cbp & 1) { /* block coded ? */
+                if (!band->scan) {
+                    av_log(avctx, AV_LOG_ERROR, "Scan pattern is not set.\n");
+                    return AVERROR_INVALIDDATA;
+                }
+
                 scan_pos = -1;
                 memset(trvec, 0, num_coeffs*sizeof(trvec[0])); /* zero transform vector */
                 memset(col_flags, 0, sizeof(col_flags));      /* zero column flags */