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gst/debug/efence.c: Fix negotiation. Add a bufferalloc function for the sink pad, and generally clean up some of the...

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Original commit message from CVS:
* gst/debug/efence.c: (gst_efence_init), (gst_efence_chain),
(gst_efence_buffer_alloc), (gst_fenced_buffer_new),
(gst_fenced_buffer_default_free), (gst_fenced_buffer_default_copy):
Fix negotiation.  Add a bufferalloc function for the sink pad,
and generally clean up some of the code.
This commit is contained in:
David Schleef 2004-01-12 23:24:05 +00:00
parent 79e59268f3
commit 21522cfe7d
2 changed files with 52 additions and 15 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
2004-01-12 David Schleef <ds@schleef.org>
* gst/debug/efence.c: (gst_efence_init), (gst_efence_chain),
(gst_efence_buffer_alloc), (gst_fenced_buffer_new),
(gst_fenced_buffer_default_free), (gst_fenced_buffer_default_copy):
Fix negotiation. Add a bufferalloc function for the sink pad,
and generally clean up some of the code.
2004-01-12 Julien MOUTTE <julien@moutte.net>
* gst-libs/gst/colorbalance/colorbalancechannel.c:

59
gst/debug/efence.c
View file

@ -94,10 +94,11 @@ struct _GstFencedBuffer {
unsigned int length;
};
void gst_fenced_buffer_default_free (GstBuffer *buffer);
GstBuffer* gst_fenced_buffer_default_copy (GstBuffer *buffer);
void gst_fenced_buffer_default_free (GstData *data);
GstData * gst_fenced_buffer_default_copy (const GstData *data);
void *gst_fenced_buffer_alloc(GstBuffer *buffer, unsigned int length,
gboolean fence_top);
static GstBuffer * gst_efence_buffer_alloc (GstPad *pad, guint64 offset, guint size);
GstBuffer *gst_fenced_buffer_new(void);
@ -169,14 +170,17 @@ gst_efence_init (GstEFence *filter)
{
filter->sinkpad = gst_pad_new_from_template (
gst_static_pad_template_get(&gst_efence_sink_factory), "sink");
gst_pad_set_getcaps_function (filter->sinkpad, gst_pad_proxy_getcaps);
gst_pad_set_link_function (filter->sinkpad, gst_pad_proxy_pad_link);
filter->srcpad = gst_pad_new_from_template (
gst_static_pad_template_get(&gst_efence_src_factory), "src");
gst_pad_set_getcaps_function (filter->srcpad, gst_pad_proxy_getcaps);
gst_pad_set_link_function (filter->srcpad, gst_pad_proxy_pad_link);
gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
gst_pad_set_chain_function (filter->sinkpad, gst_efence_chain);
gst_pad_set_bufferalloc_function (filter->sinkpad, gst_efence_buffer_alloc);
filter->fence_top = TRUE;
}
@ -201,6 +205,11 @@ gst_efence_chain (GstPad *pad, GstData *_data)
efence = GST_EFENCE (GST_OBJECT_PARENT (pad));
g_return_if_fail (GST_IS_EFENCE (efence));
if (GST_DATA_FREE_FUNC (_data) == gst_fenced_buffer_default_free) {
gst_pad_push (efence->srcpad, _data);
return;
}
copy = gst_fenced_buffer_new();
ptr = gst_fenced_buffer_alloc(copy, GST_BUFFER_SIZE(buffer),
@ -220,6 +229,23 @@ gst_efence_chain (GstPad *pad, GstData *_data)
gst_pad_push (efence->srcpad, GST_DATA (copy));
}
static GstBuffer *
gst_efence_buffer_alloc (GstPad *pad, guint64 offset, guint size)
{
GstBuffer *buffer;
GstEFence *efence;
efence = GST_EFENCE (GST_OBJECT_PARENT (pad));
buffer = gst_fenced_buffer_new ();
GST_BUFFER_DATA (buffer) = gst_fenced_buffer_alloc(buffer, size,
efence->fence_top);
GST_BUFFER_SIZE (buffer) = size;
return buffer;
}
static void
gst_efence_set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec)
@ -296,8 +322,8 @@ GstBuffer *gst_fenced_buffer_new(void)
newbuf = (GstBuffer *) g_new0(GstFencedBuffer,1);
gst_data_init (GST_DATA (newbuf), _gst_buffer_type, 0,
(GstDataFreeFunction) gst_fenced_buffer_default_free,
(GstDataCopyFunction) gst_fenced_buffer_default_copy);
gst_fenced_buffer_default_free,
gst_fenced_buffer_default_copy);
GST_BUFFER_DATA (newbuf) = NULL;
GST_BUFFER_SIZE (newbuf) = 0;
@ -313,15 +339,16 @@ GstBuffer *gst_fenced_buffer_new(void)
return newbuf;
}
void gst_fenced_buffer_default_free (GstBuffer *buffer)
void gst_fenced_buffer_default_free (GstData *data)
{
GstFencedBuffer *fenced_buffer;
GstBuffer *buffer = GST_BUFFER (data);
GST_DEBUG ("free buffer=%p", buffer);
GST_DEBUG ("free buffer=%p", data);
g_return_if_fail (buffer != NULL);
g_return_if_fail (data != NULL);
fenced_buffer = (GstFencedBuffer *) buffer;
fenced_buffer = (GstFencedBuffer *) data;
/* free our data */
if (!GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_DONTFREE) &&
@ -341,22 +368,24 @@ void gst_fenced_buffer_default_free (GstBuffer *buffer)
g_free (buffer);
}
GstBuffer* gst_fenced_buffer_default_copy (GstBuffer *buffer)
GstData* gst_fenced_buffer_default_copy (const GstData *data)
{
GstBuffer *copy;
GstBuffer *buffer = GST_BUFFER (data);
GstData *copy;
void *ptr;
g_return_val_if_fail (buffer != NULL, NULL);
/* create a fresh new buffer */
copy = (GstBuffer *) g_new0(GstFencedBuffer,1);
copy = (GstData *) g_new0(GstFencedBuffer,1);
gst_data_init (GST_DATA (copy), _gst_buffer_type, 0,
(GstDataFreeFunction) gst_fenced_buffer_default_free,
(GstDataCopyFunction) gst_fenced_buffer_default_copy);
gst_data_init (copy, _gst_buffer_type, 0,
gst_fenced_buffer_default_free,
gst_fenced_buffer_default_copy);
/* we simply copy everything from our parent */
ptr = gst_fenced_buffer_alloc(copy, GST_BUFFER_SIZE(buffer), TRUE);
ptr = gst_fenced_buffer_alloc(GST_BUFFER(copy),
GST_BUFFER_SIZE(buffer), TRUE);
memcpy(ptr, GST_BUFFER_DATA(buffer), GST_BUFFER_SIZE(buffer));
GST_BUFFER_SIZE (copy) = GST_BUFFER_SIZE (buffer);