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-rw-r--r--libavformat/afc.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/libavformat/afc.c b/libavformat/afc.c
index 183a8e0030..8dbd232fc1 100644
--- a/libavformat/afc.c
+++ b/libavformat/afc.c
@@ -39,10 +39,8 @@ static int afc_read_header(AVFormatContext *s)
st->codec->codec_id = AV_CODEC_ID_ADPCM_AFC;
st->codec->channels = 2;
st->codec->channel_layout = AV_CH_LAYOUT_STEREO;
- st->codec->extradata_size = 1;
- st->codec->extradata = av_mallocz(1 + FF_INPUT_BUFFER_PADDING_SIZE);
- if (!st->codec->extradata)
+ if (ff_alloc_extradata(st->codec, 1))
return AVERROR(ENOMEM);
st->codec->extradata[0] = 8 * st->codec->channels;