static void
mpegtsdemux_set_header_on_caps (MpegTsMux * mux)
{
GstBuffer *buf;
GstStructure *structure;
GValue array = { 0 };
GValue value = { 0 };
GstCaps *caps = GST_PAD_CAPS (mux->srcpad);
GList *sh;
caps = gst_caps_make_writable (caps);
structure = gst_caps_get_structure (caps, 0);
g_value_init (&array, GST_TYPE_ARRAY);
sh = mux->streamheader;
while (sh) {
buf = sh->data;
GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_IN_CAPS);
g_value_init (&value, GST_TYPE_BUFFER);
gst_value_take_buffer (&value, buf);
gst_value_array_append_value (&array, &value);
g_value_unset (&value);
sh = g_list_next (sh);
}
g_list_free (mux->streamheader);
mux->streamheader = NULL;
gst_structure_set_value (structure, "streamheader", &array);
gst_pad_set_caps (mux->srcpad, caps);
g_value_unset (&array);
gst_caps_unref (caps);
}
/* Can't use glib-genmarshal for this, as it doesn't know how to handle
* GstMiniObject-based types, which are a new fundamental type */
static void
gst_app_marshal_BUFFER__VOID (GClosure * closure,
GValue * return_value,
guint n_param_values,
const GValue * param_values,
gpointer invocation_hint, gpointer marshal_data)
{
typedef GstBuffer *(*GMarshalFunc_BUFFER__VOID) (gpointer data1,
gpointer data2);
register GMarshalFunc_BUFFER__VOID callback;
register GCClosure *cc = (GCClosure *) closure;
register gpointer data1, data2;
GstBuffer *v_return;
g_return_if_fail (return_value != NULL);
g_return_if_fail (n_param_values == 1);
if (G_CCLOSURE_SWAP_DATA (closure)) {
data1 = closure->data;
data2 = g_value_peek_pointer (param_values + 0);
} else {
data1 = g_value_peek_pointer (param_values + 0);
data2 = closure->data;
}
callback =
(GMarshalFunc_BUFFER__VOID) (marshal_data ? marshal_data : cc->callback);
v_return = callback (data1, data2);
gst_value_take_buffer (return_value, v_return);
}
/* prepare the source pad for output */
static gboolean
mpegpsdemux_prepare_srcpad (MpegPsMux * mux)
{
GstSegment segment;
GValue val = { 0, };
GList *headers, *l;
GstCaps *caps;
caps = gst_caps_new_simple ("video/mpeg",
"mpegversion", G_TYPE_INT, 2, "systemstream", G_TYPE_BOOLEAN, TRUE, NULL);
headers = psmux_get_stream_headers (mux->psmux);
g_value_init (&val, GST_TYPE_ARRAY);
for (l = headers; l != NULL; l = l->next) {
GValue buf_val = { 0, };
g_value_init (&buf_val, GST_TYPE_BUFFER);
gst_value_take_buffer (&buf_val, GST_BUFFER (l->data));
l->data = NULL;
gst_value_array_append_value (&val, &buf_val);
g_value_unset (&buf_val);
}
gst_caps_set_value (caps, "streamheader", &val);
g_value_unset (&val);
g_list_free (headers);
/* Set caps on src pad and push new segment */
gst_pad_push_event (mux->srcpad, gst_event_new_caps (caps));
gst_caps_unref (caps);
gst_segment_init (&segment, GST_FORMAT_BYTES);
gst_pad_push_event (mux->srcpad, gst_event_new_segment (&segment));
return TRUE;
}
static gboolean
mpegpsdemux_prepare_srcpad (MpegPsMux * mux)
{
GValue val = { 0, };
GList *headers, *l;
/* prepare the source pad for output */
GstEvent *new_seg =
gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES, 0, -1, 0);
GstCaps *caps = gst_caps_new_simple ("video/mpeg",
"mpegversion", G_TYPE_INT, 2,
"systemstream", G_TYPE_BOOLEAN, TRUE,
NULL);
/* gst_static_pad_template_get_caps (&mpegpsmux_src_factory); */
headers = psmux_get_stream_headers (mux->psmux);
g_value_init (&val, GST_TYPE_ARRAY);
for (l = headers; l != NULL; l = l->next) {
GValue buf_val = { 0, };
g_value_init (&buf_val, GST_TYPE_BUFFER);
gst_value_take_buffer (&buf_val, GST_BUFFER (l->data));
l->data = NULL;
gst_value_array_append_value (&val, &buf_val);
g_value_unset (&buf_val);
}
gst_caps_set_value (caps, "streamheader", &val);
g_value_unset (&val);
g_list_free (headers);
/* Set caps on src pad from our template and push new segment */
gst_pad_set_caps (mux->srcpad, caps);
if (!gst_pad_push_event (mux->srcpad, new_seg)) {
GST_WARNING_OBJECT (mux, "New segment event was not handled");
return FALSE;
}
return TRUE;
}
GstCaps *
gst_kate_util_set_header_on_caps (GstElement * element, GstCaps * caps,
GList * headers)
{
GstStructure *structure;
GValue array = { 0 };
GST_LOG_OBJECT (element, "caps: %" GST_PTR_FORMAT, caps);
if (G_UNLIKELY (!caps))
return NULL;
if (G_UNLIKELY (!headers))
return NULL;
caps = gst_caps_make_writable (caps);
structure = gst_caps_get_structure (caps, 0);
g_value_init (&array, GST_TYPE_ARRAY);
while (headers) {
GValue value = { 0 };
GstBuffer *buffer = headers->data;
g_assert (buffer);
g_value_init (&value, GST_TYPE_BUFFER);
buffer = gst_buffer_copy (buffer);
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_HEADER);
gst_value_take_buffer (&value, buffer);
gst_value_array_append_value (&array, &value);
g_value_unset (&value);
headers = headers->next;
}
gst_structure_take_value (structure, "streamheader", &array);
GST_LOG_OBJECT (element, "here are the newly set caps: %" GST_PTR_FORMAT,
caps);
return caps;
}
