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avformat/wavarc: Check if extradata has been fully read
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -22,6 +22,7 @@
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#include "libavutil/channel_layout.h"
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#include "libavutil/intreadwrite.h"
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#include "avformat.h"
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#include "avio_internal.h"
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#include "demux.h"
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#include "internal.h"
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@ -84,7 +85,9 @@ static int wavarc_read_header(AVFormatContext *s)
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if (ret < 0)
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return ret;
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memcpy(par->extradata, data, sizeof(data));
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avio_read(pb, par->extradata + sizeof(data), fmt_len);
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ret = ffio_read_size(pb, par->extradata + sizeof(data), fmt_len);
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if (ret < 0)
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return ret;
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par->codec_type = AVMEDIA_TYPE_AUDIO;
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par->codec_id = AV_CODEC_ID_WAVARC;
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