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opus: include streams count in caps

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=665078
This commit is contained in:
Vincent Penquerc'h 2011-12-08 19:47:55 +00:00
parent f807905786
commit dbca14b23b
2 changed files with 17 additions and 2 deletions
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2
ext/opus/gstopusenc.c
View file

@ -126,7 +126,7 @@ static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-opus")
GST_STATIC_CAPS ("audio/x-opus, streams = (int) [1, 255 ]")
);
#define DEFAULT_AUDIO TRUE

17
ext/opus/gstopusheader.c
View file

@ -150,11 +150,26 @@ void
gst_opus_header_create_caps_from_headers (GstCaps ** caps, GSList ** headers,
GstBuffer * buf1, GstBuffer * buf2)
{
int n_streams, family;
g_return_if_fail (caps);
g_return_if_fail (headers && !*headers);
g_return_if_fail (GST_BUFFER_SIZE (buf1) >= 19);
/* work out the number of streams */
family = GST_BUFFER_DATA (buf1)[18];
if (family == 0) {
n_streams = 1;
} else {
/* only included in the header for family > 0 */
g_return_if_fail (GST_BUFFER_SIZE (buf1) >= 20);
n_streams = GST_BUFFER_DATA (buf1)[19];
}
/* mark and put on caps */
*caps = gst_caps_from_string ("audio/x-opus");
*caps =
gst_caps_new_simple ("audio/x-opus", "streams", G_TYPE_INT, n_streams,
NULL);
*caps = _gst_caps_set_buffer_array (*caps, "streamheader", buf1, buf2, NULL);
*headers = g_slist_prepend (*headers, buf2);