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pulsesrc: Add a source-output-index property

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This exposes the source output index of the record stream that we open
so that clients can use this with the introspection if they want (to
move the stream, for example).
This commit is contained in:
Arun Raghavan 2011-07-29 00:07:52 +05:30
parent 3a98f6f0fd
commit 379049809c
2 changed files with 26 additions and 0 deletions
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25
ext/pulse/pulsesrc.c
View file

@ -63,6 +63,7 @@ enum
PROP_DEVICE_NAME,
PROP_CLIENT,
PROP_STREAM_PROPERTIES,
PROP_SOURCE_OUTPUT_INDEX,
PROP_LAST
};
@ -286,6 +287,20 @@ gst_pulsesrc_class_init (GstPulseSrcClass * klass)
g_param_spec_boxed ("stream-properties", "stream properties",
"list of pulseaudio stream properties",
GST_TYPE_STRUCTURE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstPulseSrc:source-output-index
*
* The index of the PulseAudio source output corresponding to this element.
*
* Since: 0.10.31
*/
g_object_class_install_property (gobject_class,
PROP_SOURCE_OUTPUT_INDEX,
g_param_spec_uint ("source-output-index", "source output index",
"The index of the PulseAudio source output corresponding to this "
"record stream", 0, G_MAXUINT, PA_INVALID_INDEX,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
}
static void
@ -298,6 +313,7 @@ gst_pulsesrc_init (GstPulseSrc * pulsesrc, GstPulseSrcClass * klass)
pulsesrc->context = NULL;
pulsesrc->stream = NULL;
pulsesrc->source_output_idx = PA_INVALID_INDEX;
pulsesrc->read_buffer = NULL;
pulsesrc->read_buffer_length = 0;
@ -327,6 +343,8 @@ gst_pulsesrc_destroy_stream (GstPulseSrc * pulsesrc)
pa_stream_disconnect (pulsesrc->stream);
pa_stream_unref (pulsesrc->stream);
pulsesrc->stream = NULL;
pulsesrc->source_output_idx = PA_INVALID_INDEX;
g_object_notify (G_OBJECT (pulsesrc), "source-output-index");
}
g_free (pulsesrc->device_description);
@ -524,6 +542,9 @@ gst_pulsesrc_get_property (GObject * object,
case PROP_STREAM_PROPERTIES:
gst_value_set_structure (value, pulsesrc->properties);
break;
case PROP_SOURCE_OUTPUT_INDEX:
g_value_set_uint (value, pulsesrc->source_output_idx);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -1065,6 +1086,10 @@ gst_pulsesrc_prepare (GstAudioSrc * asrc, GstRingBufferSpec * spec)
pa_threaded_mainloop_wait (pulsesrc->mainloop);
}
/* store the source output index so it can be accessed via a property */
pulsesrc->source_output_idx = pa_stream_get_index (pulsesrc->stream);
g_object_notify (G_OBJECT (pulsesrc), "source-output-index");
/* get the actual buffering properties now */
actual = pa_stream_get_buffer_attr (pulsesrc->stream);

1
ext/pulse/pulsesrc.h
View file

@ -61,6 +61,7 @@ struct _GstPulseSrc
pa_context *context;
pa_stream *stream;
guint32 source_output_idx;
pa_sample_spec sample_spec;