[FFmpeg-cvslog] avcodec/noise_bsf: Check for wrapped frames
Michael Niedermayer
git at videolan.org
Wed Jun 7 02:24:25 EEST 2023
ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Sun Jun 4 19:59:40 2023 +0200| [0889ebc577749ee6abc620bc9030d2002487935f] | committer: Michael Niedermayer
avcodec/noise_bsf: Check for wrapped frames
Wrapped frames contain pointers so they need specific code to
noise them, the generic code would lead to segfaults
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0889ebc577749ee6abc620bc9030d2002487935f
---
libavcodec/noise_bsf.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libavcodec/noise_bsf.c b/libavcodec/noise_bsf.c
index 168f3aa373..7bdaa3c1db 100644
--- a/libavcodec/noise_bsf.c
+++ b/libavcodec/noise_bsf.c
@@ -86,6 +86,12 @@ static int noise_init(AVBSFContext *ctx)
return AVERROR(ENOMEM);
}
+ if (ctx->par_in->codec_id == AV_CODEC_ID_WRAPPED_AVFRAME &&
+ strcmp(s->amount_str, "0")) {
+ av_log(ctx, AV_LOG_ERROR, "Wrapped AVFrame noising is unsupported\n");
+ return AVERROR_PATCHWELCOME;
+ }
+
ret = av_expr_parse(&s->amount_pexpr, s->amount_str,
var_names, NULL, NULL, NULL, NULL, 0, ctx);
if (ret < 0) {
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