Invalidate it if not supported.
Sample-Id: 00000262-google
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: [email protected]
---
Not sure if it is really better, I prefer the former one.
libavcodec/indeo4.c | 17 ++++++++++++-----
1 file changed, 12 insertions(+), 5 deletions(-)
diff --git a/libavcodec/indeo4.c b/libavcodec/indeo4.c
index 3c749a9..2a25972 100644
--- a/libavcodec/indeo4.c
+++ b/libavcodec/indeo4.c
@@ -370,13 +370,15 @@ static int decode_band_hdr(IVI45DecContext *ctx,
IVIBandDesc *band,
band->scan = scan_index_to_tab[scan_indx];
band->quant_mat = get_bits(&ctx->gb, 5);
- if (band->quant_mat == 31) {
- av_log(avctx, AV_LOG_ERROR, "Custom quant matrix
encountered!\n");
- return AVERROR_INVALIDDATA;
- }
if (band->quant_mat >= FF_ARRAY_ELEMS(quant_index_to_tab)) {
- avpriv_request_sample(avctx, "Quantization matrix %d",
+
+ if (band->quant_mat == 31)
+ av_log(avctx, AV_LOG_ERROR,
+ "Custom quant matrix encountered!\n");
+ else
+ avpriv_request_sample(avctx, "Quantization matrix %d",
band->quant_mat);
+ band->quant_mat = -1;
return AVERROR_INVALIDDATA;
}
} else {
@@ -386,6 +388,11 @@ static int decode_band_hdr(IVI45DecContext *ctx,
IVIBandDesc *band,
"inherited\n");
return AVERROR_INVALIDDATA;
}
+ if (band->quant_mat < 0) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Invalid quant_mat inherited\n"
+ return AVERROR_INVALIDDATA;
+ }
}
/* decode block huffman codebook */
--
1.8.3.2
_______________________________________________
libav-devel mailing list
[email protected]
https://lists.libav.org/mailman/listinfo/libav-devel
