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riff-media: Don't divide block align by zero channels

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https://bugzilla.gnome.org/show_bug.cgi?id=777525
This commit is contained in:
Sebastian Dröge 2017-01-20 12:41:16 +02:00
parent d894c19db6
commit 5d505d1088
1 changed files with 20 additions and 14 deletions
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34
gst-libs/gst/riff/riff-media.c
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@ -1299,22 +1299,28 @@ gst_riff_create_audio_caps (guint16 codec_id,
if (strf != NULL) {
gint ba = strf->blockalign;
gint ch = strf->channels;
gint wd = ba * 8 / ch;
caps = gst_caps_new_simple ("audio/x-raw",
"format", G_TYPE_STRING, wd == 64 ? "F64LE" : "F32LE",
"layout", G_TYPE_STRING, "interleaved",
"channels", G_TYPE_INT, ch, NULL);
if (ba > 0 && ch > 0 && (ba == (64 / 8) * ch || ba == (32 / 8) * ch)) {
gint wd = ba * 8 / ch;
/* Add default channel layout. We know no default layout for more than
* 8 channels. */
if (ch > 8)
GST_WARNING ("don't know default layout for %d channels", ch);
else if (gst_riff_wave_add_default_channel_mask (caps, ch,
channel_reorder_map))
GST_DEBUG ("using default channel layout for %d channels", ch);
else
GST_WARNING ("failed to add channel layout");
caps = gst_caps_new_simple ("audio/x-raw",
"format", G_TYPE_STRING, wd == 64 ? "F64LE" : "F32LE",
"layout", G_TYPE_STRING, "interleaved",
"channels", G_TYPE_INT, ch, NULL);
/* Add default channel layout. We know no default layout for more than
* 8 channels. */
if (ch > 8)
GST_WARNING ("don't know default layout for %d channels", ch);
else if (gst_riff_wave_add_default_channel_mask (caps, ch,
channel_reorder_map))
GST_DEBUG ("using default channel layout for %d channels", ch);
else
GST_WARNING ("failed to add channel layout");
} else {
GST_WARNING ("invalid block align %d or channel count %d", ba, ch);
return NULL;
}
} else {
/* FIXME: this is pretty useless - we need fixed caps */
caps = gst_caps_from_string ("audio/x-raw, "