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sirenenc: fix events and caps

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Add an event function that clears the adapter.
Add a setcaps function to configure caps on the srcpad. Remove the instance
variable for the caps.
This commit is contained in:
Wim Taymans 2009-09-03 19:04:33 +02:00
parent 823f06f039
commit 00f395e82f
2 changed files with 54 additions and 23 deletions
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75
gst/siren/gstsirenenc.c
View file

@ -79,7 +79,10 @@ enum
static void gst_siren_enc_dispose (GObject * object);
static void gst_siren_enc_finalize (GObject * object);
static gboolean gst_siren_enc_sink_setcaps (GstPad * pad, GstCaps * caps);
static gboolean gst_siren_enc_sink_event (GstPad * pad, GstEvent * event);
static GstFlowReturn gst_siren_enc_chain (GstPad * pad, GstBuffer * buf);
static GstStateChangeReturn
@ -119,7 +122,7 @@ gst_siren_enc_class_init (GstSirenEncClass * klass)
GST_DEBUG ("Initializing Class");
gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_siren_enc_dispose);
gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_siren_enc_finalize);
gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_siren_change_state);
@ -137,42 +140,72 @@ gst_siren_enc_init (GstSirenEnc * enc, GstSirenEncClass * klass)
enc->sinkpad = gst_pad_new_from_static_template (&sinktemplate, "sink");
enc->srcpad = gst_pad_new_from_static_template (&srctemplate, "src");
gst_pad_set_setcaps_function (enc->sinkpad,
GST_DEBUG_FUNCPTR (gst_siren_enc_sink_setcaps));
gst_pad_set_event_function (enc->sinkpad,
GST_DEBUG_FUNCPTR (gst_siren_enc_sink_event));
gst_pad_set_chain_function (enc->sinkpad,
GST_DEBUG_FUNCPTR (gst_siren_enc_chain));
gst_element_add_pad (GST_ELEMENT (enc), enc->sinkpad);
gst_element_add_pad (GST_ELEMENT (enc), enc->srcpad);
enc->srccaps = gst_static_pad_template_get_caps (&srctemplate);
GST_DEBUG_OBJECT (enc, "Init done");
}
static void
gst_siren_enc_dispose (GObject * object)
gst_siren_enc_finalize (GObject * object)
{
GstSirenEnc *enc = GST_SIREN_ENC (object);
GST_DEBUG_OBJECT (object, "Disposing");
if (enc->encoder) {
Siren7_CloseEncoder (enc->encoder);
enc->encoder = NULL;
}
if (enc->adapter) {
g_object_unref (enc->adapter);
enc->adapter = NULL;
}
if (enc->srccaps) {
gst_caps_unref (enc->srccaps);
enc->srccaps = NULL;
}
Siren7_CloseEncoder (enc->encoder);
g_object_unref (enc->adapter);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static gboolean
gst_siren_enc_sink_setcaps (GstPad * pad, GstCaps * caps)
{
GstSirenEnc *enc;
gboolean res;
GstCaps *outcaps;
enc = GST_SIREN_ENC (GST_PAD_PARENT (pad));
outcaps = gst_static_pad_template_get_caps (&srctemplate);
res = gst_pad_set_caps (enc->srcpad, outcaps);
gst_caps_unref (outcaps);
return res;
}
static gboolean
gst_siren_enc_sink_event (GstPad * pad, GstEvent * event)
{
GstSirenEnc *enc;
gboolean res;
enc = GST_SIREN_ENC (GST_PAD_PARENT (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
gst_adapter_clear (enc->adapter);
res = gst_pad_push_event (enc->srcpad, event);
break;
case GST_EVENT_FLUSH_STOP:
gst_adapter_clear (enc->adapter);
res = gst_pad_push_event (enc->srcpad, event);
break;
default:
res = gst_pad_push_event (enc->srcpad, event);
break;
}
return res;
}
static GstFlowReturn
gst_siren_enc_chain (GstPad * pad, GstBuffer * buf)
{
@ -210,7 +243,7 @@ gst_siren_enc_chain (GstPad * pad, GstBuffer * buf)
if (num_frames == 0)
goto done;
/* this is the output size */
/* this is the input/output size */
in_size = num_frames * 640;
out_size = num_frames * 40;
@ -219,7 +252,7 @@ gst_siren_enc_chain (GstPad * pad, GstBuffer * buf)
/* get a buffer */
ret = gst_pad_alloc_buffer_and_set_caps (enc->srcpad, -1,
out_size, enc->srccaps, &out_buf);
out_size, GST_PAD_CAPS (enc->srcpad), &out_buf);
if (ret != GST_FLOW_OK)
goto alloc_failed;

2
gst/siren/gstsirenenc.h
View file

@ -58,8 +58,6 @@ struct _GstSirenEnc
GstPad *srcpad;
GstPad *sinkpad;
GstCaps *srccaps;
};
struct _GstSirenEncClass