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gst-libs/gst/riff/riff-media.c: Add audio/x-raw-float support, now that audioconvert support non-native endianness fl...

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Original commit message from CVS:
* gst-libs/gst/riff/riff-media.c: (gst_riff_create_audio_caps):
Add audio/x-raw-float support, now that audioconvert support
non-native endianness floats.
This commit is contained in:
Sebastian Dröge 2007-03-30 17:05:23 +00:00
parent 90aa33ce83
commit fac74a841b
2 changed files with 54 additions and 0 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2007-03-30 Sebastian Dröge <slomo@circular-chaos.org>
* gst-libs/gst/riff/riff-media.c: (gst_riff_create_audio_caps):
Add audio/x-raw-float support, now that audioconvert support
non-native endianness floats.
2007-03-30 Tim-Philipp Müller <tim at centricular dot net>
* docs/libs/gst-plugins-base-libs-docs.sgml:

48
gst-libs/gst/riff/riff-media.c
View file

@ -813,6 +813,54 @@ gst_riff_create_audio_caps (guint16 codec_id,
block_align = TRUE;
break;
case GST_RIFF_WAVE_FORMAT_IEEE_FLOAT:
if (strf != NULL) {
gint ba = strf->blockalign;
gint ch = strf->channels;
gint wd = ba * 8 / ch;
caps = gst_caps_new_simple ("audio/x-raw-float",
"endianness", G_TYPE_INT, G_LITTLE_ENDIAN,
"channels", G_TYPE_INT, ch, "width", G_TYPE_INT, wd, NULL);
/* Add default MS channel layout if we have more than 2 channels,
* but the layout isn't specified like with WAVEEXT below. Not sure
* if this is right, but at least it makes sound output work at all
* in those cases. Somebody with a a 5.1 setup should double-check
* with chan-id.wav */
if (ch > 2) {
guint32 channel_mask;
switch (ch) {
case 4:
channel_mask = 0x33;
break;
case 6:
channel_mask = 0x3f;
break;
default:
GST_WARNING ("don't know default layout for %d channels", ch);
channel_mask = 0;
break;
}
if (channel_mask) {
GST_DEBUG ("using default channel layout for %d channels", ch);
if (!gst_riff_wavext_add_channel_layout (caps, channel_mask)) {
GST_WARNING ("failed to add channel layout");
}
}
}
} else {
/* FIXME: this is pretty useless - we need fixed caps */
caps = gst_caps_from_string ("audio/x-raw-float, "
"endianness = (int) LITTLE_ENDIAN, " "width = (int) { 32, 64 }");
}
if (codec_name && strf)
*codec_name = g_strdup_printf ("Uncompressed %d-bit IEEE float audio",
strf->size);
break;
case GST_RIFF_WAVE_FORMAT_IBM_CVSD:
goto unknown;