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bluez: Expose transport volume as a property on avdtpsrc

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This can be handy if we want to track Bluetooth volume changes from the
device, or if we want to set it.

https://bugzilla.gnome.org/show_bug.cgi?id=787020
This commit is contained in:
Arun Raghavan 2018-07-09 06:40:24 +05:30
parent dd981d4953
commit c43e74d885
3 changed files with 50 additions and 0 deletions
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21
sys/bluez/gstavdtpsrc.c
View file

@ -40,6 +40,7 @@ enum
{
PROP_0,
PROP_TRANSPORT,
PROP_TRANSPORT_VOLUME,
};
#define parent_class gst_avdtp_src_parent_class
@ -101,6 +102,12 @@ gst_avdtp_src_class_init (GstAvdtpSrcClass * klass)
g_param_spec_string ("transport",
"Transport", "Use configured transport", NULL, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, PROP_TRANSPORT_VOLUME,
g_param_spec_uint ("transport-volume",
"Transport volume",
"Volume of the transport (only valid if transport is acquired)",
0, 127, 127, G_PARAM_READWRITE));
gst_element_class_set_static_metadata (element_class,
"Bluetooth AVDTP Source",
"Source/Audio/Network/RTP",
@ -149,6 +156,11 @@ gst_avdtp_src_get_property (GObject * object, guint prop_id,
g_value_set_string (value, avdtpsrc->conn.transport);
break;
case PROP_TRANSPORT_VOLUME:
g_value_set_uint (value,
gst_avdtp_connection_get_volume (&avdtpsrc->conn));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -167,6 +179,10 @@ gst_avdtp_src_set_property (GObject * object, guint prop_id,
g_value_get_string (value));
break;
case PROP_TRANSPORT_VOLUME:
/* This is no-op because setting is handled via a GBinding */
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -376,6 +392,11 @@ gst_avdtp_src_start (GstBaseSrc * bsrc)
g_atomic_int_set (&avdtpsrc->unlocked, FALSE);
/* The life time of the connection is shorter than the src object, so we
* don't need to worry about memory management */
gst_avdtp_connection_notify_volume (&avdtpsrc->conn, G_OBJECT (avdtpsrc),
"transport-volume");
gst_avdtp_src_start_avrcp (avdtpsrc);
return TRUE;

24
sys/bluez/gstavdtputil.c
View file

@ -722,6 +722,30 @@ gst_avdtp_connection_get_caps (GstAvdtpConnection * conn)
return caps;
}
guint
gst_avdtp_connection_get_volume (GstAvdtpConnection * conn)
{
if (conn->data.is_acquired)
return bluez_media_transport1_get_volume (conn->data.conn);
else
return 127;
}
void
gst_avdtp_connection_set_volume (GstAvdtpConnection * conn, guint16 volume)
{
if (conn->data.is_acquired)
bluez_media_transport1_set_volume (conn->data.conn, volume);
}
void
gst_avdtp_connection_notify_volume (GstAvdtpConnection * conn,
GObject * target, const gchar * property)
{
g_object_bind_property (conn->data.conn, "volume", target, property,
G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
}
gboolean
gst_avdtp_connection_conf_recv_stream_fd (GstAvdtpConnection * conn)
{

5
sys/bluez/gstavdtputil.h
View file

@ -69,6 +69,11 @@ void gst_avdtp_connection_set_device (GstAvdtpConnection * conn,
const char *device);
void gst_avdtp_connection_set_transport (GstAvdtpConnection * conn,
const char *transport);
guint gst_avdtp_connection_get_volume (GstAvdtpConnection * conn);
void gst_avdtp_connection_set_volume (GstAvdtpConnection * conn,
guint16 volume);
void gst_avdtp_connection_notify_volume (GstAvdtpConnection * conn,
GObject * target, const gchar * property);
gboolean gst_avdtp_connection_conf_recv_stream_fd (GstAvdtpConnection * conn);
G_END_DECLS