avformat/wavarc: Check if extradata has been fully read

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2023-02-18 23:03:37 +01:00
parent 8ead0ae68e
commit 2df271c78c
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GPG Key ID: B18E8928B3948D64
1 changed files with 4 additions and 1 deletions

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@ -22,6 +22,7 @@
#include "libavutil/channel_layout.h"
#include "libavutil/intreadwrite.h"
#include "avformat.h"
#include "avio_internal.h"
#include "demux.h"
#include "internal.h"
@ -84,7 +85,9 @@ static int wavarc_read_header(AVFormatContext *s)
if (ret < 0)
return ret;
memcpy(par->extradata, data, sizeof(data));
avio_read(pb, par->extradata + sizeof(data), fmt_len);
ret = ffio_read_size(pb, par->extradata + sizeof(data), fmt_len);
if (ret < 0)
return ret;
par->codec_type = AVMEDIA_TYPE_AUDIO;
par->codec_id = AV_CODEC_ID_WAVARC;