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decoder/faad: test "seekable" after ADTS frame check

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Don't bother to check for ADIF just because the stream is not
seekable.
This commit is contained in:
Max Kellermann 2014-07-11 23:58:51 +02:00
parent 18787ebe8f
commit 54b6f8a4ae
1 changed files with 5 additions and 1 deletions
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6
src/decoder/FaadDecoderPlugin.cxx
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@ -186,9 +186,13 @@ faad_song_duration(DecoderBuffer *buffer, InputStream &is)
return -1; return -1;
} }
if (is.IsSeekable() && length >= 2 && if (length >= 2 &&
data[0] == 0xFF && ((data[1] & 0xF6) == 0xF0)) { data[0] == 0xFF && ((data[1] & 0xF6) == 0xF0)) {
/* obtain the duration from the ADTS header */ /* obtain the duration from the ADTS header */
if (!is.IsSeekable())
return -1;
float song_length = adts_song_duration(buffer); float song_length = adts_song_duration(buffer);
is.LockSeek(tagsize, SEEK_SET, IgnoreError()); is.LockSeek(tagsize, SEEK_SET, IgnoreError());