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vorbisdec: don't reorder streams with channels count greater than eight

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vorbis_reorder_map is defined for eight channels max. If we have more
than eight channels, it's the application which shall define the order.
Since we set audio position to none, we just interleave all the channels
without any particular reordering.

https://bugzilla.gnome.org/show_bug.cgi?id=737742
This commit is contained in:
Aurélien Zanelli 2014-10-02 00:14:03 +02:00 committed by Sebastian Dröge
parent 09872442f8
commit b7ab2f0b08
1 changed files with 31 additions and 1 deletions
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32
ext/vorbis/gstvorbisdeclib.c
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@ -81,6 +81,28 @@ copy_samples (vorbis_sample_t * out, vorbis_sample_t ** in, guint samples,
#endif
}
static void
copy_samples_no_reorder (vorbis_sample_t * out, vorbis_sample_t ** in,
guint samples, gint channels)
{
#ifdef GST_VORBIS_DEC_SEQUENTIAL
gint i;
for (i = 0; i < channels; i++) {
memcpy (out, in[i], samples * sizeof (float));
out += samples;
}
#else
gint i, j;
for (j = 0; j < samples; j++) {
for (i = 0; i < channels; i++) {
*out++ = in[i][j];
}
}
#endif
}
CopySampleFunc
gst_vorbis_get_copy_sample_func (gint channels)
{
@ -93,9 +115,17 @@ gst_vorbis_get_copy_sample_func (gint channels)
case 2:
f = copy_samples_s;
break;
default:
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
f = copy_samples;
break;
default:
f = copy_samples_no_reorder;
break;
}
return f;