On 9/15/2022 10:10 PM, Andreas Rheinhardt wrote:
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
Maybe use av_channel_layout_check?
libavcodec/decode.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/decode.c b/libavcodec/decode.c
index 2961705c9d..e24005cc44 100644
--- a/libavcodec/decode.c
+++ b/libavcodec/decode.c
@@ -1595,7 +1595,7 @@ FF_DISABLE_DEPRECATION_WARNINGS
FF_ENABLE_DEPRECATION_WARNINGS
#endif
- if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && avctx->ch_layout.nb_channels == 0 &&
+ if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && avctx->ch_layout.nb_channels <= 0
&&
!(avctx->codec->capabilities & AV_CODEC_CAP_CHANNEL_CONF)) {
av_log(avctx, AV_LOG_ERROR, "Decoder requires channel count but channels
not set\n");
return AVERROR(EINVAL);
This is a AV_CODEC_CAP_CHANNEL_CONF specific check to see if a channel
count is set. A general sanity check like < 0 should be in
avcodec_open2() before the ff_decode_preinit() call, next to (or as part
of) the similar FF_SANE_NB_CHANNELS check, IMO.
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