Friendly ping for feedback on the patch below.
Thank you.
-----Original Message-----
From: ffmpeg-devel <ffmpeg-devel-boun...@ffmpeg.org> On Behalf Of Eric Juteau
Sent: Thursday, January 27, 2022 9:06 AM
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH] libavformat/utils: Check codec whitelist
Modified the function av_find_best_stream() such that, when a list of
allowed codecs is supplied in the format context, and when the caller is
requesting a decoder be returned, the function will select the best
stream that has a decoder in the allowed decoders list.
Signed-off-by: Eric Juteau <eric...@outlook.com>
---
libavformat/utils.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavformat/utils.c b/libavformat/utils.c
index e643821fc9..5a96f16c0f 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -529,7 +529,8 @@ int av_find_best_stream(AVFormatContext *ic, enum
AVMediaType type,
continue;
if (decoder_ret) {
decoder = ff_find_decoder(ic, st, par->codec_id);
- if (!decoder) {
+ if ((!decoder) ||
+ (ic->codec_whitelist && av_match_list(decoder->name,
ic->codec_whitelist, ',') <= 0)) {
if (ret < 0)
ret = AVERROR_DECODER_NOT_FOUND;
continue;
--
2.25.1
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