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https://github.com/FFmpeg/FFmpeg.git
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Refactor the tag checking into a switch statement
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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parent
93df511ec7
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a06d238e8c
@ -254,7 +254,8 @@ static int wav_read_header(AVFormatContext *s,
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size = next_tag(pb, &tag);
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next_tag_ofs = avio_tell(pb) + size;
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if (tag == MKTAG('f', 'm', 't', ' ')) {
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switch (tag) {
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case MKTAG('f', 'm', 't', ' '):
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/* only parse the first 'fmt ' tag found */
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if (!got_fmt && (ret = wav_parse_fmt_tag(s, size, &st) < 0)) {
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return ret;
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@ -262,18 +263,22 @@ static int wav_read_header(AVFormatContext *s,
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av_log(s, AV_LOG_WARNING, "found more than one 'fmt ' tag\n");
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got_fmt = 1;
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} else if (tag == MKTAG('d', 'a', 't', 'a')) {
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break;
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case MKTAG('d', 'a', 't', 'a'):
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if (!got_fmt) {
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av_log(s, AV_LOG_ERROR, "found no 'fmt ' tag before the 'data' tag\n");
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return AVERROR_INVALIDDATA;
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}
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break;
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}else if (tag == MKTAG('f','a','c','t') && !sample_count){
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goto break_loop;
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case MKTAG('f','a','c','t'):
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if(!sample_count)
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sample_count = avio_rl32(pb);
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break;
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}
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avio_seek(pb, next_tag_ofs, SEEK_SET);
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}
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break_loop:
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if (rf64)
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size = data_size;
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if (size < 0)
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