mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-01-11 18:05:37 +00:00
resindvd: Extend the Resin audio decoder element, and switch rsndvdbin to use it
This commit is contained in:
parent
7d33cf22a9
commit
09b41120e4
3 changed files with 316 additions and 13 deletions
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@ -439,8 +439,8 @@ create_elements (RsnDvdBin * dvdbin)
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RSN_TYPE_AUDIOMUNGE, "audiomunge", "Audio output filter"))
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RSN_TYPE_AUDIOMUNGE, "audiomunge", "Audio output filter"))
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return FALSE;
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return FALSE;
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if (!try_create_piece (dvdbin, DVD_ELEM_AUDDEC, "a52dec", 0, "auddec",
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if (!try_create_piece (dvdbin, DVD_ELEM_AUDDEC, NULL,
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"audio decoder"))
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RSN_TYPE_AUDIODEC, "auddec", "audio decoder"))
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return FALSE;
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return FALSE;
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src = gst_element_get_static_pad (dvdbin->pieces[DVD_ELEM_AUDDEC], "src");
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src = gst_element_get_static_pad (dvdbin->pieces[DVD_ELEM_AUDDEC], "src");
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@ -31,7 +31,8 @@ static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_ALWAYS,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/mpeg,mpegversion=(int)1;"
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GST_STATIC_CAPS ("audio/mpeg,mpegversion=(int)1;"
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"audio/x-private1-lpcm;"
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"audio/x-private1-lpcm;"
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"audio/x-private1-ac3;" "audio/x-private1-dts;" "audio/ac3")
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"audio/x-private1-ac3;" "audio/ac3;" "audio/x-ac3;"
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"audio/x-private1-dts;")
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);
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);
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static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
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static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
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@ -72,10 +73,22 @@ static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
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G_DEFINE_TYPE (RsnAudioDec, rsn_audiodec, GST_TYPE_BIN);
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G_DEFINE_TYPE (RsnAudioDec, rsn_audiodec, GST_TYPE_BIN);
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static gboolean rsn_audiodec_set_sink_caps (GstPad * sinkpad, GstCaps * caps);
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static gboolean rsn_audiodec_set_sink_caps (GstPad * pad, GstCaps * caps);
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static GstCaps *rsn_audiodec_get_sink_caps (GstPad * sinkpad);
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static GstCaps *rsn_audiodec_get_sink_caps (GstPad * pad);
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static GstFlowReturn rsn_audiodec_chain (GstPad * pad, GstBuffer * buf);
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static GstFlowReturn rsn_audiodec_chain (GstPad * pad, GstBuffer * buf);
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static gboolean rsn_audiodec_sink_event (GstPad * pad, GstEvent * event);
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static gboolean rsn_audiodec_sink_event (GstPad * pad, GstEvent * event);
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static GstStateChangeReturn rsn_audiodec_change_state (GstElement * element,
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GstStateChange transition);
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static GstCaps *rsn_audiodec_get_proxy_sink_caps (GstPad * pad);
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static GstCaps *rsn_audiodec_get_proxy_src_caps (GstPad * pad);
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static GstFlowReturn rsn_audiodec_proxy_src_chain (GstPad * pad,
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GstBuffer * buf);
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static gboolean rsn_audiodec_proxy_src_event (GstPad * pad, GstEvent * event);
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static void rsn_audiodec_dispose (GObject * gobj);
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static void cleanup_child (RsnAudioDec * self);
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static void
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static void
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rsn_audiodec_class_init (RsnAudioDecClass * klass)
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rsn_audiodec_class_init (RsnAudioDecClass * klass)
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@ -86,11 +99,16 @@ rsn_audiodec_class_init (RsnAudioDecClass * klass)
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"Resin DVD audio stream decoder",
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"Resin DVD audio stream decoder",
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"Jan Schmidt <thaytan@noraisin.net>"
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"Jan Schmidt <thaytan@noraisin.net>"
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};
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};
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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GST_DEBUG_CATEGORY_INIT (rsn_audiodec_debug, "rsn_audiodec",
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GST_DEBUG_CATEGORY_INIT (rsn_audiodec_debug, "rsnaudiodec",
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0, "Resin DVD audio stream decoder");
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0, "Resin DVD audio stream decoder");
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object_class->dispose = rsn_audiodec_dispose;
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element_class->change_state = GST_DEBUG_FUNCPTR (rsn_audiodec_change_state);
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gst_element_class_add_pad_template (element_class,
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&src_template));
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gst_static_pad_template_get (&src_template));
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gst_element_class_add_pad_template (element_class,
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gst_element_class_add_pad_template (element_class,
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@ -114,30 +132,306 @@ rsn_audiodec_init (RsnAudioDec * self)
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gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
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gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
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self->srcpad = gst_pad_new_from_static_template (&src_template, "src");
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self->srcpad = gst_pad_new_from_static_template (&src_template, "src");
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gst_element_add_pad (GST_ELEMENT (self), self->srcpad);
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gst_element_add_pad (GST_ELEMENT (self), self->srcpad);
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}
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}
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static gboolean
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static void
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rsn_audiodec_set_sink_caps (GstPad * sinkpad, GstCaps * caps)
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rsn_audiodec_dispose (GObject * object)
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{
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{
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RsnAudioDec *self = (RsnAudioDec *) object;
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cleanup_child (self);
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G_OBJECT_CLASS (rsn_audiodec_parent_class)->dispose (object);
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}
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static gboolean
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rsn_audiodec_set_sink_caps (GstPad * pad, GstCaps * caps)
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{
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RsnAudioDec *self = (RsnAudioDec *) gst_pad_get_parent (pad);
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gboolean res;
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if (self == NULL)
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goto error;
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res = gst_pad_set_caps (self->child_sink, caps);
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gst_object_unref (self);
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return res;
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error:
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if (self)
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gst_object_unref (self);
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return FALSE;
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return FALSE;
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}
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}
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static GstCaps *
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static GstCaps *
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rsn_audiodec_get_sink_caps (GstPad * sinkpad)
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rsn_audiodec_get_sink_caps (GstPad * sinkpad)
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{
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{
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return NULL;
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/* FIXME: Calculate set of allowed caps for all discovered decoders */
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RsnAudioDec *self = (RsnAudioDec *) gst_pad_get_parent (sinkpad);
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GstCaps *res;
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if (self == NULL || self->child_sink == NULL)
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goto error;
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res = gst_pad_get_caps (self->child_sink);
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GST_INFO_OBJECT (self, "Returning caps %" GST_PTR_FORMAT, res);
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gst_object_unref (self);
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return res;
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error:
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if (self)
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gst_object_unref (self);
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return gst_caps_copy (gst_pad_get_pad_template_caps (sinkpad));
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}
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}
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static GstFlowReturn
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static GstFlowReturn
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rsn_audiodec_chain (GstPad * pad, GstBuffer * buf)
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rsn_audiodec_chain (GstPad * pad, GstBuffer * buf)
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{
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{
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RsnAudioDec *self = (RsnAudioDec *) gst_pad_get_parent (pad);
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GstFlowReturn res;
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if (self == NULL)
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goto error;
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GST_INFO_OBJECT (self, "Pushing buffer %" GST_PTR_FORMAT " into decoder",
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buf);
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res = gst_pad_chain (self->child_sink, buf);
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gst_object_unref (self);
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return res;
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error:
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if (self)
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gst_object_unref (self);
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return GST_FLOW_ERROR;
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return GST_FLOW_ERROR;
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}
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}
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static gboolean
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static gboolean
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rsn_audiodec_sink_event (GstPad * pad, GstEvent * event)
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rsn_audiodec_sink_event (GstPad * pad, GstEvent * event)
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{
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{
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RsnAudioDec *self = (RsnAudioDec *) gst_pad_get_parent (pad);
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gboolean res;
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if (self == NULL)
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goto error;
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GST_INFO_OBJECT (self, "Sending event %" GST_PTR_FORMAT " into decoder",
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event);
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res = gst_pad_send_event (self->child_sink, event);
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gst_object_unref (self);
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return res;
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error:
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if (self)
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gst_object_unref (self);
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return FALSE;
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return FALSE;
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}
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}
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static GstCaps *
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rsn_audiodec_get_proxy_sink_caps (GstPad * pad)
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{
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RsnAudioDec *self = (RsnAudioDec *) gst_pad_get_parent (pad);
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GstCaps *ret;
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if (self != NULL && self->child_sink != NULL) {
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ret = gst_pad_get_caps (self->child_sink);
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} else
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ret = gst_caps_new_any ();
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if (self)
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gst_object_unref (self);
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return ret;
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}
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static GstCaps *
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rsn_audiodec_get_proxy_src_caps (GstPad * pad)
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{
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RsnAudioDec *self = (RsnAudioDec *) gst_pad_get_parent (pad);
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GstCaps *ret;
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if (self != NULL && self->child_src != NULL) {
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ret = gst_pad_get_caps (self->child_src);
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} else
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ret = gst_caps_new_any ();
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if (self)
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gst_object_unref (self);
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return ret;
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}
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static GstFlowReturn
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rsn_audiodec_proxy_src_chain (GstPad * pad, GstBuffer * buf)
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{
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RsnAudioDec *self = (RsnAudioDec *) gst_pad_get_parent (pad);
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GstFlowReturn ret;
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g_print ("srcpad %p\n", self->srcpad);
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if (self != NULL && self->srcpad != NULL) {
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GST_DEBUG_OBJECT (self, "Data from decoder, pushing to pad %"
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GST_PTR_FORMAT, self->srcpad);
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ret = gst_pad_push (self->srcpad, buf);
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} else
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ret = GST_FLOW_ERROR;
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if (self)
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gst_object_unref (self);
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return ret;
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}
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static gboolean
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rsn_audiodec_proxy_src_event (GstPad * pad, GstEvent * event)
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{
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RsnAudioDec *self = (RsnAudioDec *) gst_pad_get_parent (pad);
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gboolean ret;
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if (self != NULL && self->srcpad != NULL) {
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ret = gst_pad_push_event (self->srcpad, event);
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} else
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ret = GST_FLOW_ERROR;
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if (self)
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gst_object_unref (self);
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return ret;
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}
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static void
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create_proxy_pads (RsnAudioDec * self)
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{
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if (self->child_sink_proxy == NULL) {
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/* A src pad the child can query/send events to */
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self->child_sink_proxy = gst_pad_new ("sink_proxy", GST_PAD_SRC);
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gst_pad_set_getcaps_function (self->child_sink_proxy,
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GST_DEBUG_FUNCPTR (rsn_audiodec_get_proxy_sink_caps));
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gst_object_set_parent ((GstObject *) self->child_sink_proxy,
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(GstObject *) self);
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}
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if (self->child_src_proxy == NULL) {
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/* A sink pad the child can push to */
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self->child_src_proxy = gst_pad_new ("src_proxy", GST_PAD_SINK);
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gst_object_set_parent ((GstObject *) self->child_src_proxy,
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(GstObject *) self);
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gst_pad_set_getcaps_function (self->child_src_proxy,
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GST_DEBUG_FUNCPTR (rsn_audiodec_get_proxy_src_caps));
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gst_pad_set_chain_function (self->child_src_proxy,
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GST_DEBUG_FUNCPTR (rsn_audiodec_proxy_src_chain));
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gst_pad_set_event_function (self->child_src_proxy,
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GST_DEBUG_FUNCPTR (rsn_audiodec_proxy_src_event));
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}
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}
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static gboolean
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rsn_audiodec_set_child (RsnAudioDec * self, GstElement * new_child)
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{
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if (self->current_decoder) {
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gst_bin_remove ((GstBin *) self, self->current_decoder);
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self->current_decoder = NULL;
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}
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if (self->child_sink) {
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(void) gst_pad_unlink (self->child_sink_proxy, self->child_sink);
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gst_object_unref (self->child_sink);
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self->child_sink = NULL;
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}
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if (self->child_src) {
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(void) gst_pad_unlink (self->child_src, self->child_src_proxy);
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gst_object_unref (self->child_src);
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self->child_src = NULL;
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}
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if (new_child == NULL)
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return TRUE;
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self->child_sink = gst_element_get_static_pad (new_child, "sink");
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if (self->child_sink == NULL)
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return FALSE;
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self->child_src = gst_element_get_static_pad (new_child, "src");
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if (self->child_src == NULL)
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return FALSE;
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if (!gst_bin_add ((GstBin *) self, new_child))
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return FALSE;
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GST_DEBUG_OBJECT (self, "Add child %" GST_PTR_FORMAT, new_child);
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self->current_decoder = new_child;
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if (gst_pad_link (self->child_sink_proxy,
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self->child_sink) != GST_PAD_LINK_OK)
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return FALSE;
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GST_DEBUG_OBJECT (self, "linked proxy sink pad %" GST_PTR_FORMAT
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" to child sink %" GST_PTR_FORMAT, self->child_sink_proxy,
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self->child_sink);
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if (gst_pad_link (self->child_src, self->child_src_proxy) != GST_PAD_LINK_OK)
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return FALSE;
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GST_DEBUG_OBJECT (self, "linked child src pad %" GST_PTR_FORMAT
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" to proxy pad %" GST_PTR_FORMAT, self->child_src, self->child_src_proxy);
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g_print ("Returning TRUE\n");
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return TRUE;
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}
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static void
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cleanup_child (RsnAudioDec * self)
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{
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GST_DEBUG_OBJECT (self, "Removing child element");
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(void) rsn_audiodec_set_child (self, NULL);
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GST_DEBUG_OBJECT (self, "Destroying proxy pads");
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if (self->child_sink_proxy != NULL) {
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gst_object_unparent ((GstObject *) self->child_sink_proxy);
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self->child_sink_proxy = NULL;
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}
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if (self->child_src_proxy != NULL) {
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gst_object_unparent ((GstObject *) self->child_src_proxy);
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self->child_src_proxy = NULL;
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}
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}
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static GstStateChangeReturn
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rsn_audiodec_change_state (GstElement * element, GstStateChange transition)
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{
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GstStateChangeReturn ret;
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RsnAudioDec *self = RSN_AUDIODEC (element);
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g_print ("State change in element %p trans %d\n", element, transition);
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||||||
|
switch (transition) {
|
||||||
|
case GST_STATE_CHANGE_NULL_TO_READY:{
|
||||||
|
GstElement *new_child;
|
||||||
|
create_proxy_pads (self);
|
||||||
|
GST_DEBUG_OBJECT (self, "Created proxy pads");
|
||||||
|
new_child = gst_element_factory_make ("a52dec", NULL);
|
||||||
|
if (new_child == NULL || !rsn_audiodec_set_child (self, new_child))
|
||||||
|
ret = GST_STATE_CHANGE_FAILURE;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
||||||
|
GST_DEBUG_OBJECT (self, "Activating proxy pads");
|
||||||
|
if (self->child_sink_proxy)
|
||||||
|
gst_pad_set_active (self->child_sink_proxy, TRUE);
|
||||||
|
if (self->child_src_proxy)
|
||||||
|
gst_pad_set_active (self->child_src_proxy, TRUE);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
ret =
|
||||||
|
GST_ELEMENT_CLASS (rsn_audiodec_parent_class)->change_state (element,
|
||||||
|
transition);
|
||||||
|
if (ret == GST_STATE_CHANGE_FAILURE)
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
switch (transition) {
|
||||||
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
||||||
|
GST_DEBUG_OBJECT (self, "Deactivating proxy pads");
|
||||||
|
if (self->child_sink_proxy)
|
||||||
|
gst_pad_set_active (self->child_sink_proxy, FALSE);
|
||||||
|
if (self->child_src_proxy)
|
||||||
|
gst_pad_set_active (self->child_src_proxy, FALSE);
|
||||||
|
break;
|
||||||
|
case GST_STATE_CHANGE_READY_TO_NULL:
|
||||||
|
cleanup_child (self);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
}
|
||||||
|
|
|
@ -25,8 +25,8 @@
|
||||||
G_BEGIN_DECLS
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
#define RSN_TYPE_AUDIODEC (rsn_audiodec_get_type())
|
#define RSN_TYPE_AUDIODEC (rsn_audiodec_get_type())
|
||||||
#define RSN_AUDIODEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),RSN_TYPE_AUDIODEC,RsnAudioMunge))
|
#define RSN_AUDIODEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),RSN_TYPE_AUDIODEC,RsnAudioDec))
|
||||||
#define RSN_AUDIODEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),RSN_TYPE_AUDIODEC,RsnAudioMungeClass))
|
#define RSN_AUDIODEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),RSN_TYPE_AUDIODEC,RsnAudioDecClass))
|
||||||
#define RSN_IS_AUDIODEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),RSN_TYPE_AUDIODEC))
|
#define RSN_IS_AUDIODEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),RSN_TYPE_AUDIODEC))
|
||||||
#define RSN_IS_AUDIODEC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),RSN_TYPE_AUDIODEC))
|
#define RSN_IS_AUDIODEC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),RSN_TYPE_AUDIODEC))
|
||||||
|
|
||||||
|
@ -38,10 +38,19 @@ typedef struct _RsnAudioDecClass RsnAudioDecClass;
|
||||||
struct _RsnAudioDec {
|
struct _RsnAudioDec {
|
||||||
GstBin element;
|
GstBin element;
|
||||||
|
|
||||||
|
/* Our sink and source pads */
|
||||||
GstPad *sinkpad;
|
GstPad *sinkpad;
|
||||||
GstPad *srcpad;
|
GstPad *srcpad;
|
||||||
|
|
||||||
GstElement *cur_dec;
|
/* Proxy pads that are linked to the child sink pad
|
||||||
|
* and source pad respectively */
|
||||||
|
GstPad *child_sink_proxy;
|
||||||
|
GstPad *child_src_proxy;
|
||||||
|
|
||||||
|
GstElement *current_decoder;
|
||||||
|
/* Current child's sink and source pads */
|
||||||
|
GstPad *child_sink;
|
||||||
|
GstPad *child_src;
|
||||||
};
|
};
|
||||||
|
|
||||||
struct _RsnAudioDecClass {
|
struct _RsnAudioDecClass {
|
||||||
|
|
Loading…
Reference in a new issue