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-rw-r--r--gst/audioresample/gstaudioresample.c53
1 files changed, 28 insertions, 25 deletions
diff --git a/gst/audioresample/gstaudioresample.c b/gst/audioresample/gstaudioresample.c
index 3304f274..732ada70 100644
--- a/gst/audioresample/gstaudioresample.c
+++ b/gst/audioresample/gstaudioresample.c
@@ -60,13 +60,6 @@ GST_ELEMENT_DETAILS ("Audio scaler",
"Resample audio",
"David Schleef <ds@schleef.org>");
-/* GstAudioresample signals and args */
-enum
-{
- /* FILL ME */
- LAST_SIGNAL
-};
-
#define DEFAULT_FILTERLEN 16
enum
@@ -111,8 +104,6 @@ static GstStaticPadTemplate gst_audioresample_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC, GST_PAD_ALWAYS, SUPPORTED_CAPS);
-static void gst_audioresample_dispose (GObject * object);
-
static void gst_audioresample_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_audioresample_get_property (GObject * object,
@@ -133,8 +124,8 @@ static GstFlowReturn audioresample_pushthrough (GstAudioresample *
static GstFlowReturn audioresample_transform (GstBaseTransform * base,
GstBuffer * inbuf, GstBuffer * outbuf);
static gboolean audioresample_event (GstBaseTransform * base, GstEvent * event);
-
-/*static guint gst_audioresample_signals[LAST_SIGNAL] = { 0 }; */
+static gboolean audioresample_start (GstBaseTransform * base);
+static gboolean audioresample_stop (GstBaseTransform * base);
#define DEBUG_INIT(bla) \
GST_DEBUG_CATEGORY_INIT (audioresample_debug, "audioresample", 0, "audio resampling element");
@@ -164,13 +155,16 @@ gst_audioresample_class_init (GstAudioresampleClass * klass)
gobject_class->set_property = gst_audioresample_set_property;
gobject_class->get_property = gst_audioresample_get_property;
- gobject_class->dispose = gst_audioresample_dispose;
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_FILTERLEN,
g_param_spec_int ("filter_length", "filter_length", "filter_length",
0, G_MAXINT, DEFAULT_FILTERLEN,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+ GST_BASE_TRANSFORM_CLASS (klass)->start =
+ GST_DEBUG_FUNCPTR (audioresample_start);
+ GST_BASE_TRANSFORM_CLASS (klass)->stop =
+ GST_DEBUG_FUNCPTR (audioresample_stop);
GST_BASE_TRANSFORM_CLASS (klass)->transform_size =
GST_DEBUG_FUNCPTR (audioresample_transform_size);
GST_BASE_TRANSFORM_CLASS (klass)->get_unit_size =
@@ -191,7 +185,6 @@ static void
gst_audioresample_init (GstAudioresample * audioresample,
GstAudioresampleClass * klass)
{
- ResampleState *r;
GstBaseTransform *trans;
trans = GST_BASE_TRANSFORM (audioresample);
@@ -200,29 +193,39 @@ gst_audioresample_init (GstAudioresample * audioresample,
* is trivial in the passtrough case. */
gst_pad_set_bufferalloc_function (trans->sinkpad, NULL);
- r = resample_new ();
- audioresample->resample = r;
+ audioresample->filter_length = DEFAULT_FILTERLEN;
+}
+
+/* vmethods */
+static gboolean
+audioresample_start (GstBaseTransform * base)
+{
+ GstAudioresample *audioresample = GST_AUDIORESAMPLE (base);
+
+ audioresample->resample = resample_new ();
audioresample->ts_offset = -1;
audioresample->offset = -1;
audioresample->next_ts = -1;
- resample_set_filter_length (r, DEFAULT_FILTERLEN);
+ resample_set_filter_length (audioresample->resample,
+ audioresample->filter_length);
+
+ return TRUE;
}
-static void
-gst_audioresample_dispose (GObject * object)
+static gboolean
+audioresample_stop (GstBaseTransform * base)
{
- GstAudioresample *audioresample = GST_AUDIORESAMPLE (object);
+ GstAudioresample *audioresample = GST_AUDIORESAMPLE (base);
if (audioresample->resample) {
resample_free (audioresample->resample);
audioresample->resample = NULL;
}
- G_OBJECT_CLASS (parent_class)->dispose (object);
+ return TRUE;
}
-/* vmethods */
gboolean
audioresample_get_unit_size (GstBaseTransform * base, GstCaps * caps,
guint * size)
@@ -639,7 +642,6 @@ gst_audioresample_set_property (GObject * object, guint prop_id,
{
GstAudioresample *audioresample;
- g_return_if_fail (GST_IS_AUDIORESAMPLE (object));
audioresample = GST_AUDIORESAMPLE (object);
switch (prop_id) {
@@ -647,8 +649,10 @@ gst_audioresample_set_property (GObject * object, guint prop_id,
audioresample->filter_length = g_value_get_int (value);
GST_DEBUG_OBJECT (GST_ELEMENT (audioresample), "new filter length %d",
audioresample->filter_length);
- resample_set_filter_length (audioresample->resample,
- audioresample->filter_length);
+ if (audioresample->resample) {
+ resample_set_filter_length (audioresample->resample,
+ audioresample->filter_length);
+ }
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@@ -662,7 +666,6 @@ gst_audioresample_get_property (GObject * object, guint prop_id,
{
GstAudioresample *audioresample;
- g_return_if_fail (GST_IS_AUDIORESAMPLE (object));
audioresample = GST_AUDIORESAMPLE (object);
switch (prop_id) {