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Work on adding pulsevideosink

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Add the beginnings of a pulsevideosink
Make a new client-source object for every client that wants to provide
a stream. The client will have a handle to write the stream to.
This commit is contained in:
Wim Taymans 2015-05-11 18:23:24 +02:00
parent 7bb3ae2562
commit ca7e4602f6
13 changed files with 1232 additions and 23 deletions
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83
src/client/pv-stream.c
View file

@ -417,7 +417,7 @@ do_connect_capture (PvStream *stream)
g_dbus_proxy_call (context->priv->client,
"CreateSourceOutput",
g_variant_new ("(o@a{sv})",
g_variant_new ("(o@a{sv})",
(priv->target ? priv->target : "/"),
priv->spec),
G_DBUS_CALL_FLAGS_NONE,
@ -434,6 +434,7 @@ do_connect_capture (PvStream *stream)
* @stream: a #PvStream
* @source: the source name to connect to
* @flags: a #PvStreamFlags
* @spec: a #GVariant
*
* Connect @stream for capturing from @source.
*
@ -465,6 +466,61 @@ pv_stream_connect_capture (PvStream *stream,
return TRUE;
}
static gboolean
do_connect_provide (PvStream *stream)
{
PvStreamPrivate *priv = stream->priv;
PvContext *context = priv->context;
g_assert (g_main_context_get_thread_default () == priv->context->priv->context);
g_dbus_proxy_call (context->priv->client,
"CreateSourceInput",
g_variant_new ("(@a{sv})",
priv->spec),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL, /* GCancellable *cancellable */
on_source_output_created,
stream);
return FALSE;
}
/**
* pv_stream_connect_provide:
* @stream: a #PvStream
* @flags: a #PvStreamFlags
* @spec: a #GVariant
*
* Connect @stream for providing data for a new source.
*
* Returns: %TRUE on success.
*/
gboolean
pv_stream_connect_provide (PvStream *stream,
PvStreamFlags flags,
GVariant *spec)
{
PvStreamPrivate *priv;
PvContext *context;
g_return_val_if_fail (PV_IS_STREAM (stream), FALSE);
g_return_val_if_fail (spec != NULL, FALSE);
priv = stream->priv;
context = priv->context;
g_return_val_if_fail (pv_context_get_state (context) == PV_CONTEXT_STATE_READY, FALSE);
priv->spec = spec;
stream_set_state (stream, PV_STREAM_STATE_CONNECTING);
g_main_context_invoke (context->priv->context, (GSourceFunc) do_connect_provide, stream);
return TRUE;
}
static void
on_source_output_removed (GObject *source_object,
GAsyncResult *res,
@ -861,3 +917,28 @@ pv_stream_capture_buffer (PvStream *stream, PvBufferInfo *info)
return TRUE;
}
/**
* pv_stream_provide_buffer:
* @stream: a #PvStream
* @info: a #PvBufferInfo
*
* Provide the next buffer from @stream. This function should be called every
* time a new frame becomes available.
*
* Returns: %TRUE when @info was handled
*/
gboolean
pv_stream_provide_buffer (PvStream *stream, PvBufferInfo *info)
{
PvStreamPrivate *priv;
g_return_val_if_fail (PV_IS_STREAM (stream), FALSE);
g_return_val_if_fail (info != NULL, FALSE);
priv = stream->priv;
g_return_val_if_fail (priv->state == PV_STREAM_STATE_STREAMING, FALSE);
return TRUE;
}