avformat/mp3dec: 4x faster probing

Signed-off-by: N Michael Niedermayer <michaelni@gmx.at>

avformat/mp3dec: 4x faster probing
Signed-off-by: N Michael Niedermayer <michaelni@gmx.at>
64f48169 · Michael Niedermayer · 557571ff · 64f48169
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libavformat/mp3dec.c libavformat/mp3dec.c +2 -0

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--- a/libavformat/mp3dec.c
+++ b/libavformat/mp3dec.c
@@ -67,6 +67,8 @@ static int mp3_read_probe(AVProbeData *p)

    for(; buf < end; buf= buf2+1) {
        buf2 = buf;
+        if(ff_mpa_check_header(AV_RB32(buf2)))
+            continue;

        for(frames = 0; buf2 < end; frames++) {
            header = AV_RB32(buf2);