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Support for Musepack SV4-6 stream files. Patch by Andrew Cupper.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10843 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thom Johansen 2006-09-01 12:05:04 +00:00
parent 47e4f6ce48
commit 5e182e0862
2 changed files with 25 additions and 3 deletions
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21
apps/metadata.c
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@ -1260,9 +1260,24 @@ static bool get_musepack_metadata(int fd, struct mp3entry *id3)
"%d.%d dB", album_gain/100, abs(album_gain)%100);
}
} else {
/* There's no certain way to detect these pre-sv7 streams, apparently */
/* TODO: add sv6 parsing here */
return false;
header[0] = letoh32(header[0]);
unsigned int streamversion = (header[0] >> 11) & 0x03FF;
if (streamversion != 4 && streamversion != 5 && streamversion != 6)
return false;
id3->frequency = 44100;
id3->track_gain = 0;
id3->track_peak = 0;
id3->album_gain = 0;
id3->album_peak = 0;
if (streamversion >= 5)
samples = (uint64_t)header[1]*1152; // 32 bit
else
samples = (uint64_t)(header[1] >> 16)*1152; // 16 bit
samples -= 576;
if (streamversion < 6)
samples -= 1152;
}
id3->vbr = true;