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wavdec: avoid output of arbitrary chars

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use av_get_codec_tag_string() in wav_read_header() for printing the
faulty start code from riff header

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Thomas Volkert 2014-12-19 23:39:01 +01:00 committed by Michael Niedermayer
parent 1a971d33eb
commit e8d57e4163
1 changed files with 3 additions and 1 deletions
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4
libavformat/wavdec.c
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@ -249,6 +249,7 @@ static int wav_read_header(AVFormatContext *s)
int64_t size, av_uninit(data_size);
int64_t sample_count = 0;
int rf64 = 0;
char start_code[5];
uint32_t tag;
AVIOContext *pb = s->pb;
AVStream *st = NULL;
@ -272,7 +273,8 @@ static int wav_read_header(AVFormatContext *s)
rf64 = 1;
break;
default:
av_log(s, AV_LOG_ERROR, "invalid start code %c%c%c%c in RIFF header\n", tag & 0xFF, (tag >> 8) & 0xFF, (tag >> 16) & 0xFF, (tag >> 24) & 0xFF);
av_get_codec_tag_string(start_code, 5, tag);
av_log(s, AV_LOG_ERROR, "invalid start code %s in RIFF header\n", start_code);
return AVERROR_INVALIDDATA;
}