mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-06-15 12:30:41 +00:00
Code Issues 1 Projects Releases Wiki Activity

Documentation updates

Browse source 
Original commit message from CVS:
Documentation updates
Make spider forward bufferpools
Remove some old registry code
This commit is contained in:
Wim Taymans 2002-06-12 22:26:36 +00:00
parent 19055c8091
commit c8e8981be8
14 changed files with 132 additions and 156 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
gst/autoplug/gstspideridentity.c
View file

@ -128,17 +128,16 @@ gst_spider_identity_class_init (GstSpiderIdentityClass *klass)
gstelement_class->change_state = GST_DEBUG_FUNCPTR(gst_spider_identity_change_state);
gstelement_class->request_new_pad = GST_DEBUG_FUNCPTR(gst_spider_identity_request_new_pad);
}
/* defined but not used
static GstBufferPool*
gst_spider_identity_get_bufferpool (GstPad *pad)
{*/
/* fix me */
/* GstSpiderIdentity *spider_identity;
{
GstSpiderIdentity *ident;
spider_identity = GST_SPIDER_IDENTITY (gst_pad_get_parent (pad));
ident = GST_SPIDER_IDENTITY (gst_pad_get_parent (pad));
return gst_pad_get_bufferpool (spider_identity->src);
}*/
return gst_pad_get_bufferpool (ident->src);
}
static void
gst_spider_identity_init (GstSpiderIdentity *ident)
@ -148,6 +147,7 @@ gst_spider_identity_init (GstSpiderIdentity *ident)
gst_element_add_pad (GST_ELEMENT (ident), ident->sink);
gst_pad_set_connect_function (ident->sink, GST_DEBUG_FUNCPTR (gst_spider_identity_connect));
gst_pad_set_getcaps_function (ident->sink, GST_DEBUG_FUNCPTR (gst_spider_identity_getcaps));
gst_pad_set_bufferpool_function (ident->sink, GST_DEBUG_FUNCPTR (gst_spider_identity_get_bufferpool));
/* src */
ident->src = gst_pad_new_from_template (GST_PAD_TEMPLATE_GET (spider_src_factory), "src");
gst_element_add_pad (GST_ELEMENT (ident), ident->src);
@ -288,6 +288,7 @@ gst_spider_identity_request_new_pad (GstElement *element, GstPadTemplate *templ
gst_element_add_pad (GST_ELEMENT (ident), ident->sink);
gst_pad_set_connect_function (ident->sink, GST_DEBUG_FUNCPTR (gst_spider_identity_connect));
gst_pad_set_getcaps_function (ident->sink, GST_DEBUG_FUNCPTR (gst_spider_identity_getcaps));
gst_pad_set_bufferpool_function (ident->sink, GST_DEBUG_FUNCPTR (gst_spider_identity_get_bufferpool));
return ident->sink;
case GST_PAD_SRC:
/* src */

2
gst/elements/gstfilesrc.c
View file

@ -453,7 +453,7 @@ gst_filesrc_get (GstPad *pad)
src->seek_happened = FALSE;
GST_DEBUG (GST_CAT_EVENT, "filesrc sending discont\n");
event = gst_event_new_discontinuous (FALSE, GST_FORMAT_BYTES, src->curoffset, NULL);
GST_EVENT_DISCONT_FLUSH (event) = src->need_flush;
GST_EVENT_DISCONT_NEW_MEDIA (event) = FALSE;
src->need_flush = FALSE;
return GST_BUFFER (event);
}

2
gst/gstcaps.h
View file

@ -97,7 +97,7 @@ void gst_caps_destroy (GstCaps *caps);
void gst_caps_debug (GstCaps *caps, const gchar *label);
GstCaps* gst_caps_copy (GstCaps *caps);
GstCaps* gst_caps_copy_first (GstCaps *caps);
GstCaps* gst_caps_copy_1 (GstCaps *caps);
GstCaps* gst_caps_copy_on_write (GstCaps *caps);
const gchar* gst_caps_get_name (GstCaps *caps);

17
gst/gstclock.c
View file

@ -288,6 +288,17 @@ gst_clock_is_active (GstClock *clock)
return clock->active;
}
/**
* gst_clock_handle_discont
* @clock: a #GstClock to notify of the discontinuity
* @time: The new time
*
* Notifies the clock of a discontinuity in time.
*
* Returns: TRUE if the clock was updated. It is possible that
* the clock was not updated by this call because only the first
* discontinuitity in the pipeline is honoured.
*/
gboolean
gst_clock_handle_discont (GstClock *clock, guint64 time)
{
@ -384,8 +395,12 @@ gst_clock_wait_async_func (GstClock *clock, GstClockTime time,
* gst_clock_wait
* @clock: a #GstClock to wait on
* @time: The #GstClockTime to wait for
* @jitter: The jitter
*
* Wait and block till the clock reaches the specified time.
* The jitter value contains the difference between the requested time and
* the actual time, negative values indicate that the requested time
* was allready passed when this call was made.
*
* Returns: the #GstClockReturn result of the operation.
*/
@ -489,8 +504,10 @@ gst_clock_unlock_func (GstClock *clock, GstClockTime time, GstClockID id, gpoint
* gst_clock_wait_id
* @clock: The clock to wait on
* @id: The clock id to wait on
* @jitter: The jitter
*
* Wait and block on the clockid obtained with gst_clock_wait_async.
* The jitter value is described in gst_clock_wait().
*
* Returns: result of the operation.
*/

41
gst/gstelement.c
View file

@ -584,6 +584,14 @@ gst_element_request_pad (GstElement *element, GstPadTemplate *templ, const gchar
return newpad;
}
/**
* gst_element_release_request_pad:
* @element: a #GstElement to release the request pad of
* @pad: The pad to release
*
* Make the element free the previously requested pad as obtained
* with gst_element_get_request_pad().
*/
void
gst_element_release_request_pad (GstElement *element, GstPad *pad)
{
@ -713,6 +721,7 @@ gst_element_get_clock (GstElement *element)
* @element: a #GstElement
* @clock: the #GstClock to use
* @time: the #GstClockTime to wait for on the clock
* @jitter: The difference between requested time and actual time
*
* Waits for a specific time on the clock.
*
@ -740,7 +749,7 @@ gst_element_clock_wait (GstElement *element, GstClock *clock, GstClockTime time,
* gst_element_release_locks:
* @element: an element
*
* Instruct the element to release all the locks it is holding, ex
* Instruct the element to release all the locks it is holding, such as
* blocking reads, waiting for the clock, ...
*
* Returns: TRUE if the locks could be released.
@ -1125,7 +1134,7 @@ gst_element_get_pad_template (GstElement *element, const guchar *name)
/**
* gst_element_get_compatible_pad_template:
* @element: element to get padtemplate of
* @templ: a template to find a compatible template for
* @compattempl: a template to find a compatible template for
*
* Generate a padtemplate for this element compatible with the given
* template, ie able to link to it.
@ -1649,6 +1658,17 @@ gst_element_send_event_default (GstElement *element, GstEvent *event)
return res;
}
/**
* gst_element_send_event:
* @element: The element to send the event to.
* @event: The event to send to the object.
*
* Sends an event to an element. If the element doesn't
* implement an event handler, the event will be forwarded
* to a random sinkpad.
*
* Returns: TRUE if the event was handled.
*/
gboolean
gst_element_send_event (GstElement *element, GstEvent *event)
{
@ -1682,6 +1702,21 @@ gst_element_query_default (GstElement *element, GstPadQueryType type,
return res;
}
/**
* gst_element_query:
* @element: The element to perform the query on.
* @type: The query type
* @format: a pointer to hold the format of the result
* @value: a pointer to the value of the result
*
* Perform a query on the given element. If the format is set
* to GST_FORMAT_DEFAULT and this function returns TRUE, the
* format pointer will hold the default format.
* For element that don't implement a query handler, this function
* forwards the query to a random connected sinkpad of this element.
*
* Returns: TRUE if the query could be performed.
*/
gboolean
gst_element_query (GstElement *element, GstPadQueryType type,
GstFormat *format, gint64 *value)
@ -1696,8 +1731,6 @@ gst_element_query (GstElement *element, GstPadQueryType type,
return FALSE;
}
/**
* gst_element_error:
* @element: Element with the error

29
gst/gstevent.c
View file

@ -149,7 +149,6 @@ gst_event_free (GstEvent* event)
* gst_event_new_seek:
* @type: The type of the seek event
* @offset: The offset of the seek
* @flush: A boolean indicating a flush has to be performed as well
*
* Allocate a new seek event with the given parameters.
*
@ -167,15 +166,25 @@ gst_event_new_seek (GstSeekType type, gint64 offset)
return event;
}
/**
* gst_event_new_discontinuous:
* @new_media: A flag indicating a new media type starts
* @format1: The format of the discont value
* @...: more discont values and formats
*
* Allocate a new discontinuous event with the geven format/value pairs.
*
* Returns: A new discontinuous event.
*/
GstEvent*
gst_event_new_discontinuous (gboolean flush, GstSeekType format1, ...)
gst_event_new_discontinuous (gboolean new_media, GstSeekType format1, ...)
{
va_list var_args;
GstEvent *event;
gint count = 0;
event = gst_event_new (GST_EVENT_DISCONTINUOUS);
GST_EVENT_DISCONT_FLUSH (event) = flush;
GST_EVENT_DISCONT_NEW_MEDIA (event) = new_media;
va_start (var_args, format1);
@ -195,8 +204,18 @@ gst_event_new_discontinuous (gboolean flush, GstSeekType format1, ...)
return event;
}
/**
* gst_event_discont_get_value:
* @event: The event to query
* @format: The format of the discont value
* @value: A pointer to the value
*
* Get the value for the given format in the dicont event.
*
* Returns: TRUE if the discont event caries the specified format/value pair.
*/
gboolean
gst_event_discont_get_value (GstEvent *event, GstSeekType type, gint64 *value)
gst_event_discont_get_value (GstEvent *event, GstFormat format, gint64 *value)
{
gint i, n;
@ -206,7 +225,7 @@ gst_event_discont_get_value (GstEvent *event, GstSeekType type, gint64 *value)
n = GST_EVENT_DISCONT_OFFSET_LEN (event);
for (i = 0; i < n; i++) {
if (GST_EVENT_DISCONT_OFFSET(event,i).format == type) {
if (GST_EVENT_DISCONT_OFFSET(event,i).format == format) {
*value = GST_EVENT_DISCONT_OFFSET(event,i).value;
return TRUE;
}

4
gst/gstevent.h
View file

@ -89,7 +89,7 @@ typedef struct
#define GST_EVENT_SEEK_OFFSET(event) (GST_EVENT(event)->event_data.seek.offset)
#define GST_EVENT_SEEK_ACCURACY(event) (GST_EVENT(event)->event_data.seek.accuracy)
#define GST_EVENT_DISCONT_FLUSH(event) (GST_EVENT(event)->event_data.discont.flush)
#define GST_EVENT_DISCONT_NEW_MEDIA(event) (GST_EVENT(event)->event_data.discont.new_media)
#define GST_EVENT_DISCONT_OFFSET(event,i) (GST_EVENT(event)->event_data.discont.offsets[i])
#define GST_EVENT_DISCONT_OFFSET_LEN(event) (GST_EVENT(event)->event_data.discont.noffsets)
@ -109,7 +109,7 @@ struct _GstEvent {
struct {
GstFormatValue offsets[8];
gint noffsets;
gboolean flush;
gboolean new_media;
} discont;
} event_data;
};

17
gst/gstpad.c
View file

@ -502,6 +502,23 @@ gst_pad_set_query_function (GstPad *pad, GstPadQueryFunction query)
GST_DEBUG_PAD_NAME (pad), GST_DEBUG_FUNCPTR_NAME (query));
}
/**
* gst_pad_set_internal_connection_function:
* @pad: the pad to set the internal connection function for
* @intconn: the internal connection function
*
* Set the given internal connection function for the pad.
*/
void
gst_pad_set_internal_connection_function (GstPad *pad, GstPadIntConnFunction intconn)
{
g_return_if_fail (pad != NULL);
g_return_if_fail (GST_IS_REAL_PAD (pad));
GST_RPAD_INTCONNFUNC(pad) = intconn;
GST_DEBUG (GST_CAT_PADS, "internal connection for %s:%s set to %s",
GST_DEBUG_PAD_NAME (pad), GST_DEBUG_FUNCPTR_NAME (intconn));
}
/**
* gst_pad_set_connect_function:

5
gst/gstparse.c
View file

@ -439,10 +439,12 @@ pipeline_from_graph (graph_t *g, GError **error)
/**
* gst_parse_launchv:
* @argv: null-terminated array of arguments
* @error: pointer to GError
*
* Create a new pipeline based on command line syntax.
*
* Returns: a new pipeline on success, NULL on failure
* Returns: a new pipeline on success, NULL on failure and error
* will contain the error message.
*/
GstBin *
gst_parse_launchv (const gchar **argv, GError **error)
@ -511,6 +513,7 @@ void _gst_parse_unescape (gchar *str)
/**
* gst_parse_launch:
* @pipeline_description: the command line describing the pipeline
* @error: the error message in case of a failure
*
* Create a new pipeline based on command line syntax.
*

18
gst/gstplugin.c
View file

@ -116,6 +116,14 @@ gst_plugin_register_func (GstPluginDesc *desc, GstPlugin *plugin, GModule *modul
return plugin;
}
/**
* gst_plugin_new:
* @filename: The filename of the plugin
*
* Creates a plugin from the given filename
*
* Returns: A new GstPlugin object
*/
GstPlugin*
gst_plugin_new (const gchar *filename)
{
@ -331,6 +339,16 @@ gst_plugin_is_loaded (GstPlugin *plugin)
return (plugin->module != NULL);
}
/**
* gst_plugin_find_feature:
* @plugin: plugin to get the feature from
* @name: The name of the feature to find
* @type: The type of the feature to find
*
* Find a feature of the given name and type in the given plugin.
*
* Returns: a GstPluginFeature or NULL if the feature was not found.
*/
GstPluginFeature*
gst_plugin_find_feature (GstPlugin *plugin, const gchar *name, GType type)
{

117
gst/gstregistry.c
View file

@ -194,6 +194,7 @@ gst_registry_unload (GstRegistry *registry)
/**
* gst_registry_add_path:
* @registry: the registry to add the path to
* @path: the path to add to the registry
*
* Add the given path to the registry. The syntax of the
* path is specific to the registry. If the path has already been
@ -664,119 +665,3 @@ gst_registry_pool_get_prefered (GstRegistryFlags flags)
return NULL;
}
static gchar *gst_registry_option = NULL;
/* save the registry specified as an option */
void
gst_registry_option_set (const gchar *registry)
{
gst_registry_option = g_strdup (registry);
return;
}
/* decide if we're going to use the global registry or not
* - if root, use global
* - if not root :
* - if user can write to global, use global
* - else use local
*/
gboolean
gst_registry_use_global (void)
{
/* struct stat reg_stat; */
FILE *reg;
if (getuid () == 0) return TRUE; /* root always uses global */
/* check if we can write to the global registry somehow */
reg = fopen (GLOBAL_REGISTRY_FILE, "a");
if (reg == NULL) { return FALSE; }
else
{
/* we can write to it, do so for kicks */
fclose (reg);
}
/* we can write to it, so now see if we can write in the dir as well */
if (access (GLOBAL_REGISTRY_DIR, W_OK) == 0) return TRUE;
return FALSE;
}
/* get the data that tells us where we can write the registry
* Allocate, fill in the GstRegistryWrite struct according to
* current situation, and return it */
GstRegistryWrite *
gst_registry_write_get ()
{
GstRegistryWrite *gst_reg = g_malloc (sizeof (GstRegistryWrite));
/* if a registry is specified on command line, use that one */
if (gst_registry_option)
{
/* FIXME: maybe parse the dir from file ? */
gst_reg->dir = NULL;
gst_reg->file = gst_registry_option;
/* we cannot use the temp dir since the move needs to be on same device */
gst_reg->tmp_file = g_strdup_printf ("%s.tmp", gst_registry_option);
}
else if (g_getenv ("GST_REGISTRY"))
{
gst_reg->dir = NULL;
gst_reg->file = g_strdup (g_getenv ("GST_REGISTRY"));
gst_reg->tmp_file = g_strdup_printf ("%s.tmp", g_getenv ("GST_REGISTRY"));
}
else
{
if (gst_registry_use_global ())
{
gst_reg->dir = g_strdup (GLOBAL_REGISTRY_DIR);
gst_reg->file = g_strdup (GLOBAL_REGISTRY_FILE);
gst_reg->tmp_file = g_strdup (GLOBAL_REGISTRY_FILE_TMP);
}
else
{
gchar *homedir = (gchar *) g_get_home_dir ();
gst_reg->dir = g_strjoin ("/", homedir, LOCAL_REGISTRY_DIR, NULL);
gst_reg->file = g_strjoin ("/", homedir, LOCAL_REGISTRY_FILE, NULL);
gst_reg->tmp_file = g_strjoin ("/", homedir, LOCAL_REGISTRY_FILE_TMP, NULL);
}
}
return gst_reg;
}
/* fill in the GstRegistryRead struct according to current situation */
GstRegistryRead *
gst_registry_read_get ()
{
GstRegistryRead *gst_reg = g_new0 (GstRegistryRead, 1);
/* if a registry is specified on command line, use that one */
if (gst_registry_option)
{
/* FIXME: maybe parse the dir from file ? */
gst_reg->local_reg = NULL;
gst_reg->global_reg = gst_registry_option;
}
else if (g_getenv ("GST_REGISTRY"))
{
gst_reg->local_reg = NULL;
gst_reg->global_reg = g_strdup (g_getenv ("GST_REGISTRY"));
}
else
{
gchar *homedir = (gchar *) g_get_home_dir ();
gst_reg->local_reg = g_strjoin ("/", homedir, LOCAL_REGISTRY_FILE, NULL);
if (g_file_test (gst_reg->local_reg, G_FILE_TEST_EXISTS) == FALSE)
{
/* it does not exist, so don't read from it */
g_free (gst_reg->local_reg);
gst_reg->local_reg = NULL;
}
gst_reg->global_reg = g_strdup (GLOBAL_REGISTRY_FILE);
}
return gst_reg;
}

18
gst/gstregistry.h
View file

@ -45,24 +45,6 @@
G_BEGIN_DECLS
typedef struct _GstRegistryWrite GstRegistryWrite;
struct _GstRegistryWrite {
gchar *dir;
gchar *file;
gchar *tmp_file;
};
typedef struct _GstRegistryRead GstRegistryRead;
struct _GstRegistryRead {
gchar *global_reg;
gchar *local_reg;
};
GstRegistryWrite *gst_registry_write_get (void);
GstRegistryRead *gst_registry_read_get (void);
void gst_registry_option_set (const gchar *registry);
typedef enum {
GST_REGISTRY_OK = (0),
GST_REGISTRY_LOAD_ERROR = (1 << 1),

1
gst/gstscheduler.c
View file

@ -549,6 +549,7 @@ gst_scheduler_auto_clock (GstScheduler *sched)
* @element: the element that wants to wait
* @clock: the clock to use
* @time: the time to wait for
* @jitter: the time difference between requested time and actual time
*
* Wait till the clock reaches a specific time
*

2
plugins/elements/gstfilesrc.c
View file

@ -453,7 +453,7 @@ gst_filesrc_get (GstPad *pad)
src->seek_happened = FALSE;
GST_DEBUG (GST_CAT_EVENT, "filesrc sending discont\n");
event = gst_event_new_discontinuous (FALSE, GST_FORMAT_BYTES, src->curoffset, NULL);
GST_EVENT_DISCONT_FLUSH (event) = src->need_flush;
GST_EVENT_DISCONT_NEW_MEDIA (event) = FALSE;
src->need_flush = FALSE;
return GST_BUFFER (event);
}