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au: validate bits-per-sample separately from codec tag

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This commit is contained in:
Justin Ruggles 2012-12-23 13:17:05 -05:00
parent 71194ef6a8
commit 3f98848d6e
1 changed files with 8 additions and 1 deletions
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9
libavformat/au.c
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@ -64,6 +64,7 @@ static int au_read_header(AVFormatContext *s)
unsigned int tag;
AVIOContext *pb = s->pb;
unsigned int id, channels, rate;
int bps;
enum AVCodecID codec;
AVStream *st;
@ -80,7 +81,13 @@ static int au_read_header(AVFormatContext *s)
codec = ff_codec_get_id(codec_au_tags, id);
if (!av_get_bits_per_sample(codec)) {
if (codec == AV_CODEC_ID_NONE) {
av_log_ask_for_sample(s, "unknown or unsupported codec tag: %d\n", id);
return AVERROR_PATCHWELCOME;
}
bps = av_get_bits_per_sample(codec);
if (!bps) {
av_log_ask_for_sample(s, "could not determine bits per sample\n");
return AVERROR_PATCHWELCOME;
}