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Code Issues Releases Activity

Refactor the tag checking into a switch statement

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Tomas Härdin 2011-02-17 15:58:10 +01:00 committed by Michael Niedermayer
parent 93df511ec7
commit a06d238e8c
1 changed files with 9 additions and 4 deletions
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13
libavformat/wav.c
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@ -254,7 +254,8 @@ static int wav_read_header(AVFormatContext *s,
size = next_tag(pb, &tag);
next_tag_ofs = avio_tell(pb) + size;
if (tag == MKTAG('f', 'm', 't', ' ')) {
switch (tag) {
case MKTAG('f', 'm', 't', ' '):
/* only parse the first 'fmt ' tag found */
if (!got_fmt && (ret = wav_parse_fmt_tag(s, size, &st) < 0)) {
return ret;
@ -262,18 +263,22 @@ static int wav_read_header(AVFormatContext *s,
av_log(s, AV_LOG_WARNING, "found more than one 'fmt ' tag\n");
got_fmt = 1;
} else if (tag == MKTAG('d', 'a', 't', 'a')) {
break;
case MKTAG('d', 'a', 't', 'a'):
if (!got_fmt) {
av_log(s, AV_LOG_ERROR, "found no 'fmt ' tag before the 'data' tag\n");
return AVERROR_INVALIDDATA;
}
break;
}else if (tag == MKTAG('f','a','c','t') && !sample_count){
goto break_loop;
case MKTAG('f','a','c','t'):
if(!sample_count)
sample_count = avio_rl32(pb);
break;
}
avio_seek(pb, next_tag_ofs, SEEK_SET);
}
break_loop:
if (rf64)
size = data_size;
if (size < 0)