mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-30 13:41:48 +00:00
Code Issues 1 Projects Releases Wiki Activity

Port to 0.9 and re-enable efence plugin.

Browse source 
Original commit message from CVS:
* configure.ac:
* gst/debug/Makefile.am:
* gst/debug/efence.c: (gst_efence_class_init), (gst_efence_init),
(gst_efence_chain), (gst_efence_buffer_alloc), (plugin_init),
(gst_fenced_buffer_finalize), (gst_fenced_buffer_copy),
(gst_fenced_buffer_alloc), (gst_fenced_buffer_class_init),
(gst_fenced_buffer_init), (gst_fenced_buffer_get_type):
Port to 0.9 and re-enable efence plugin.
This commit is contained in:
Jan Schmidt 2005-09-06 23:30:03 +00:00
parent d57d03f01b
commit 69f4aa6377
4 changed files with 139 additions and 97 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
ChangeLog
View file

@ -1,3 +1,14 @@
2005-09-07 Jan Schmidt <thaytan@mad.scientist.com>
* configure.ac:
* gst/debug/Makefile.am:
* gst/debug/efence.c: (gst_efence_class_init), (gst_efence_init),
(gst_efence_chain), (gst_efence_buffer_alloc), (plugin_init),
(gst_fenced_buffer_finalize), (gst_fenced_buffer_copy),
(gst_fenced_buffer_alloc), (gst_fenced_buffer_class_init),
(gst_fenced_buffer_init), (gst_fenced_buffer_get_type):
Port to 0.9 and re-enable efence plugin.
2005-09-06 Tim-Philipp Müller <tim at centricular dot net>
* ext/flac/gstflacdec.c: (flac_caps_factory), (raw_caps_factory),

2
configure.ac
View file

@ -269,6 +269,7 @@ GST_PLUGINS_ALL="\
alpha \
autodetect \
avi \
debug \
effectv \
fdsrc \
goom \
@ -566,6 +567,7 @@ gst/Makefile
gst/alpha/Makefile
gst/autodetect/Makefile
gst/avi/Makefile
gst/debug/Makefile
gst/effectv/Makefile
gst/fdsrc/Makefile
gst/goom/Makefile

2
gst/debug/Makefile.am
View file

@ -1,5 +1,5 @@
plugin_LTLIBRARIES = libgstefence.la libgstnavigationtest.la libgstdebug.la
plugin_LTLIBRARIES = libgstefence.la # libgstnavigationtest.la libgstdebug.la
noinst_HEADERS = efence.h gstnavigationtest.h gstnavseek.h tests.h

223
gst/debug/efence.c
View file

@ -39,6 +39,9 @@
#endif
#endif
GST_DEBUG_CATEGORY_STATIC (gst_efence_debug);
#define GST_CAT_DEFAULT gst_efence_debug
static GstElementDetails plugin_details = {
"Electric Fence",
"Testing",
@ -84,7 +87,7 @@ static void gst_efence_set_property (GObject * object, guint prop_id,
static void gst_efence_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_efence_chain (GstPad * pad, GstData * _data);
static GstFlowReturn gst_efence_chain (GstPad * pad, GstBuffer * buf);
static GstElementClass *parent_class = NULL;
@ -96,14 +99,18 @@ struct _GstFencedBuffer
unsigned int length;
};
void gst_fenced_buffer_default_free (GstData * data);
GstData *gst_fenced_buffer_default_copy (const GstData * data);
GType gst_fenced_buffer_get_type (void);
static void gst_fenced_buffer_finalize (GstFencedBuffer * buf);
static GstFencedBuffer *gst_fenced_buffer_copy (const GstBuffer * buffer);
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);
static GstFlowReturn gst_efence_buffer_alloc (GstPad * pad, guint64 offset,
guint size, GstCaps * caps, GstBuffer ** buf);
GstBuffer *gst_fenced_buffer_new (void);
#define GST_TYPE_FENCED_BUFFER (gst_fenced_buffer_get_type())
#define GST_IS_FENCED_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_FENCED_BUFFER))
#define GST_FENCED_BUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_FENCED_BUFFER, GstFencedBuffer))
GType
gst_gst_efence_get_type (void)
@ -153,12 +160,12 @@ gst_efence_class_init (GstEFenceClass * klass)
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
gobject_class->set_property = gst_efence_set_property;
gobject_class->get_property = gst_efence_get_property;
g_object_class_install_property (gobject_class, ARG_FENCE_TOP,
g_param_spec_boolean ("fence_top", "Fence Top",
"Align buffers with top of fenced region", TRUE, G_PARAM_READWRITE));
gobject_class->set_property = gst_efence_set_property;
gobject_class->get_property = gst_efence_get_property;
}
/* initialize the new element
@ -173,12 +180,12 @@ gst_efence_init (GstEFence * filter)
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);
gst_pad_set_setcaps_function (filter->sinkpad, gst_pad_proxy_setcaps);
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_pad_set_setcaps_function (filter->srcpad, gst_pad_proxy_setcaps);
gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
@ -192,61 +199,61 @@ gst_efence_init (GstEFence * filter)
* this function does the actual processing
*/
static void
gst_efence_chain (GstPad * pad, GstData * _data)
static GstFlowReturn
gst_efence_chain (GstPad * pad, GstBuffer * buffer)
{
GstBuffer *buffer = GST_BUFFER (_data);
GstEFence *efence;
GstBuffer *copy;
void *ptr;
GST_DEBUG ("gst_efence_chain");
g_return_if_fail (GST_IS_PAD (pad));
g_return_if_fail (buffer != NULL);
g_return_val_if_fail (GST_IS_PAD (pad), GST_FLOW_ERROR);
g_return_val_if_fail (buffer != NULL, GST_FLOW_ERROR);
efence = GST_EFENCE (GST_OBJECT_PARENT (pad));
g_return_if_fail (GST_IS_EFENCE (efence));
g_return_val_if_fail (GST_IS_EFENCE (efence), GST_FLOW_ERROR);
if (GST_DATA_FREE_FUNC (_data) == gst_fenced_buffer_default_free) {
gst_pad_push (efence->srcpad, _data);
return;
if (GST_IS_FENCED_BUFFER (buffer)) {
GST_DEBUG_OBJECT (efence, "Passing on existing fenced buffer with caps %"
GST_PTR_FORMAT, GST_BUFFER_CAPS (buffer));
return gst_pad_push (efence->srcpad, buffer);
}
copy = gst_fenced_buffer_new ();
ptr = gst_fenced_buffer_alloc (copy, GST_BUFFER_SIZE (buffer),
efence->fence_top);
memcpy (ptr, GST_BUFFER_DATA (buffer), GST_BUFFER_SIZE (buffer));
GST_BUFFER_DATA (copy) = ptr;
GST_BUFFER_SIZE (copy) = GST_BUFFER_SIZE (buffer);
GST_BUFFER_MAXSIZE (copy) = GST_BUFFER_SIZE (buffer);
GST_BUFFER_TIMESTAMP (copy) = GST_BUFFER_TIMESTAMP (buffer);
GST_BUFFER_DURATION (copy) = GST_BUFFER_DURATION (buffer);
GST_BUFFER_OFFSET (copy) = GST_BUFFER_OFFSET (buffer);
GST_BUFFER_FREE_DATA_FUNC (copy) = NULL;
GST_BUFFER_PRIVATE (copy) = NULL;
copy = (GstBuffer *) gst_fenced_buffer_copy (buffer);
gst_buffer_unref (buffer);
gst_pad_push (efence->srcpad, GST_DATA (copy));
GST_DEBUG_OBJECT (efence, "Pushing newly fenced buffer with caps %"
GST_PTR_FORMAT, GST_BUFFER_CAPS (buffer));
return gst_pad_push (efence->srcpad, copy);
}
static GstBuffer *
gst_efence_buffer_alloc (GstPad * pad, guint64 offset, guint size)
static GstFlowReturn
gst_efence_buffer_alloc (GstPad * pad, guint64 offset,
guint size, GstCaps * caps, GstBuffer ** buf)
{
GstBuffer *buffer;
GstEFence *efence;
g_return_val_if_fail (buf != NULL, GST_FLOW_ERROR);
g_return_val_if_fail (GST_IS_PAD (pad), GST_FLOW_ERROR);
efence = GST_EFENCE (GST_OBJECT_PARENT (pad));
buffer = gst_fenced_buffer_new ();
buffer = (GstBuffer *) gst_mini_object_new (GST_TYPE_FENCED_BUFFER);
GST_BUFFER_DATA (buffer) = gst_fenced_buffer_alloc (buffer, size,
efence->fence_top);
GST_BUFFER_SIZE (buffer) = size;
GST_BUFFER_OFFSET (buffer) = offset;
return buffer;
if (caps)
gst_buffer_set_caps (buffer, caps);
*buf = buffer;
GST_DEBUG_OBJECT (efence, "Allocated buffer of size %u, caps: % "
GST_PTR_FORMAT, GST_BUFFER_SIZE (buffer), GST_BUFFER_CAPS (buffer));
return GST_FLOW_OK;
}
static void
@ -298,6 +305,9 @@ plugin_init (GstPlugin * plugin)
if (!gst_element_register (plugin, "efence", GST_RANK_NONE, GST_TYPE_EFENCE))
return FALSE;
GST_DEBUG_CATEGORY_INIT (gst_efence_debug, "efence", 0,
"Debug output from the efence element");
/* plugin initialisation succeeded */
return TRUE;
}
@ -312,88 +322,60 @@ GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
"\"Electric Fence\".",
plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN)
GstBuffer *gst_fenced_buffer_new (void)
{
GstBuffer *newbuf;
newbuf = (GstBuffer *) g_new0 (GstFencedBuffer, 1);
gst_data_init (GST_DATA (newbuf), _gst_buffer_type, 0,
gst_fenced_buffer_default_free, gst_fenced_buffer_default_copy);
GST_BUFFER_DATA (newbuf) = NULL;
GST_BUFFER_SIZE (newbuf) = 0;
GST_BUFFER_MAXSIZE (newbuf) = GST_BUFFER_MAXSIZE_NONE;
GST_BUFFER_TIMESTAMP (newbuf) = GST_CLOCK_TIME_NONE;
GST_BUFFER_DURATION (newbuf) = GST_CLOCK_TIME_NONE;
GST_BUFFER_OFFSET (newbuf) = GST_BUFFER_OFFSET_NONE;
GST_BUFFER_FREE_DATA_FUNC (newbuf) = NULL;
GST_BUFFER_PRIVATE (newbuf) = NULL;
GST_DEBUG ("new buffer=%p", newbuf);
return newbuf;
}
void
gst_fenced_buffer_default_free (GstData * data)
static void gst_fenced_buffer_finalize (GstFencedBuffer * buffer)
{
GstFencedBuffer *fenced_buffer;
GstBuffer *buffer = GST_BUFFER (data);
GST_DEBUG ("free buffer=%p", data);
GST_DEBUG ("free buffer=%p", buffer);
g_return_if_fail (data != NULL);
fenced_buffer = (GstFencedBuffer *) data;
fenced_buffer = GST_FENCED_BUFFER (buffer);
/* free our data */
if (!GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_DONTFREE) &&
GST_BUFFER_DATA (buffer)) {
if (GST_BUFFER_DATA (buffer)) {
GST_DEBUG ("free region %p %d", fenced_buffer->region,
fenced_buffer->length);
munmap (fenced_buffer->region, fenced_buffer->length);
} else {
GST_DEBUG ("not freeing region %p %d %p", fenced_buffer->region,
GST_BUFFER_FLAGS (buffer), GST_BUFFER_DATA (buffer));
}
}
/* set to safe values */
GST_BUFFER_DATA (buffer) = NULL;
GST_BUFFER_SIZE (buffer) = 0;
g_free (buffer);
}
GstData *
gst_fenced_buffer_default_copy (const GstData * data)
static GstFencedBuffer *
gst_fenced_buffer_copy (const GstBuffer * buffer)
{
GstBuffer *buffer = GST_BUFFER (data);
GstData *copy;
GstBuffer *copy;
void *ptr;
guint mask;
g_return_val_if_fail (buffer != NULL, NULL);
/* create a fresh new buffer */
copy = (GstData *) g_new0 (GstFencedBuffer, 1);
gst_data_init (copy, _gst_buffer_type, 0,
gst_fenced_buffer_default_free, gst_fenced_buffer_default_copy);
copy = (GstBuffer *) gst_mini_object_new (GST_TYPE_FENCED_BUFFER);
/* we simply copy everything from our parent */
ptr = gst_fenced_buffer_alloc (GST_BUFFER (copy),
GST_BUFFER_SIZE (buffer), TRUE);
memcpy (ptr, GST_BUFFER_DATA (buffer), GST_BUFFER_SIZE (buffer));
/* copy relevant flags */
mask = GST_BUFFER_FLAG_PREROLL | GST_BUFFER_FLAG_IN_CAPS |
GST_BUFFER_FLAG_DELTA_UNIT;
GST_MINI_OBJECT (copy)->flags |= GST_MINI_OBJECT (buffer)->flags & mask;
GST_BUFFER_SIZE (copy) = GST_BUFFER_SIZE (buffer);
GST_BUFFER_MAXSIZE (copy) = GST_BUFFER_SIZE (buffer);
GST_BUFFER_TIMESTAMP (copy) = GST_BUFFER_TIMESTAMP (buffer);
GST_BUFFER_DURATION (copy) = GST_BUFFER_DURATION (buffer);
GST_BUFFER_OFFSET (copy) = GST_BUFFER_OFFSET (buffer);
GST_BUFFER_FREE_DATA_FUNC (copy) = NULL;
GST_BUFFER_PRIVATE (copy) = NULL;
GST_BUFFER_OFFSET_END (copy) = GST_BUFFER_OFFSET_END (buffer);
return copy;
if (GST_BUFFER_CAPS (buffer))
GST_BUFFER_CAPS (copy) = gst_caps_ref (GST_BUFFER_CAPS (buffer));
else
GST_BUFFER_CAPS (copy) = NULL;
GST_DEBUG ("Copied buffer %p with ts %" GST_TIME_FORMAT
", caps: % " GST_PTR_FORMAT, buffer, GST_BUFFER_TIMESTAMP (copy),
GST_BUFFER_CAPS (copy));
return GST_FENCED_BUFFER (copy);
}
void *
@ -416,6 +398,7 @@ gst_fenced_buffer_alloc (GstBuffer * buffer, unsigned int length,
page_size = getpagesize ();
#endif
/* Allocate a complete page, and one on either side */
alloc_size = ((length - 1) & ~(page_size - 1)) + page_size;
alloc_size += 2 * page_size;
@ -425,12 +408,19 @@ gst_fenced_buffer_alloc (GstBuffer * buffer, unsigned int length,
g_warning ("mmap failed");
return NULL;
}
#if 0
munmap (region, page_size);
munmap (region + alloc_size - page_size, page_size);
fenced_buffer->region = region + page_size;
fenced_buffer->length = alloc_size - page_size;
#else
mprotect (region, page_size, PROT_NONE);
mprotect (region + alloc_size - page_size, page_size, PROT_NONE);
fenced_buffer->region = region;
fenced_buffer->length = alloc_size;
#endif
GST_DEBUG ("new region %p %d", fenced_buffer->region, fenced_buffer->length);
@ -445,3 +435,42 @@ gst_fenced_buffer_alloc (GstBuffer * buffer, unsigned int length,
return region + page_size;
}
}
static void
gst_fenced_buffer_class_init (gpointer g_class, gpointer class_data)
{
GstMiniObjectClass *mini_object_class = GST_MINI_OBJECT_CLASS (g_class);
mini_object_class->finalize =
(GstMiniObjectFinalizeFunction) gst_fenced_buffer_finalize;
mini_object_class->copy = (GstMiniObjectCopyFunction) gst_fenced_buffer_copy;
}
static void
gst_fenced_buffer_init (GTypeInstance * instance, gpointer g_class)
{
}
GType
gst_fenced_buffer_get_type (void)
{
static GType fenced_buf_type = 0;
if (G_UNLIKELY (!fenced_buf_type)) {
static const GTypeInfo fenced_buf_info = {
sizeof (GstBufferClass),
NULL,
NULL,
(GClassInitFunc) gst_fenced_buffer_class_init,
NULL,
NULL,
sizeof (GstFencedBuffer),
0,
(GInstanceInitFunc) gst_fenced_buffer_init,
};
fenced_buf_type = g_type_register_static (GST_TYPE_BUFFER,
"GstFencedBuffer", &fenced_buf_info, 0);
}
return fenced_buf_type;
}