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playback: Switch to gstfactorylist from core

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=626181
This commit is contained in:
Edward Hervey 2010-08-06 11:53:38 +02:00 committed by Edward Hervey
parent c150945e67
commit 9e0358930d
6 changed files with 81 additions and 343 deletions
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4
gst/playback/Makefile.am
View file

@ -17,7 +17,6 @@ libgstplaybin_la_SOURCES = \
gstplaysink.c \
gstplaybasebin.c \
gstplay-enum.c \
gstfactorylists.c \
gstinputselector.c \
gstscreenshot.c \
gststreaminfo.c \
@ -44,7 +43,7 @@ libgstdecodebin_la_LIBADD = \
$(GST_LIBS)
libgstdecodebin_la_LIBTOOLFLAGS = --tag=disable-static
libgstdecodebin2_la_SOURCES = gstdecodebin2.c gsturidecodebin.c gstfactorylists.c gstplay-enum.c
libgstdecodebin2_la_SOURCES = gstdecodebin2.c gsturidecodebin.c gstplay-enum.c
nodist_libgstdecodebin2_la_SOURCES = $(built_sources)
libgstdecodebin2_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
libgstdecodebin2_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
@ -58,7 +57,6 @@ noinst_HEADERS = \
gstplaybasebin.h \
gstplaysink.h \
gststreaminfo.h \
gstfactorylists.h \
gstinputselector.h \
gstplay-enum.h \
gstscreenshot.h \

28
gst/playback/gstdecodebin2.c
View file

@ -90,7 +90,6 @@
#include "gstplay-marshal.h"
#include "gstplay-enum.h"
#include "gstplayback.h"
#include "gstfactorylists.h"
#include "gstrawcaps.h"
/* generic templates */
@ -153,7 +152,7 @@ struct _GstDecodeBin
GMutex *factories_lock;
guint32 factories_cookie; /* Cookie from last time when factories was updated */
GValueArray *factories; /* factories we can use for selecting elements */
GList *factories; /* factories we can use for selecting elements */
GMutex *subtitle_lock; /* Protects changes to subtitles and encoding */
GList *subtitles; /* List of elements with subtitle-encoding,
@ -902,8 +901,10 @@ gst_decode_bin_update_factories_list (GstDecodeBin * dbin)
|| dbin->factories_cookie !=
gst_default_registry_get_feature_list_cookie ()) {
if (dbin->factories)
g_value_array_free (dbin->factories);
dbin->factories = gst_factory_list_get_elements (GST_FACTORY_LIST_DECODER);
gst_plugin_feature_list_free (dbin->factories);
dbin->factories =
gst_element_factory_list_get_elements
(GST_ELEMENT_FACTORY_TYPE_DECODABLE, GST_RANK_MARGINAL);
dbin->factories_cookie = gst_default_registry_get_feature_list_cookie ();
}
}
@ -976,7 +977,7 @@ gst_decode_bin_dispose (GObject * object)
decode_bin = GST_DECODE_BIN (object);
if (decode_bin->factories)
g_value_array_free (decode_bin->factories);
gst_plugin_feature_list_free (decode_bin->factories);
decode_bin->factories = NULL;
if (decode_bin->decode_chain)
@ -1232,6 +1233,7 @@ static GValueArray *
gst_decode_bin_autoplug_factories (GstElement * element, GstPad * pad,
GstCaps * caps)
{
GList *list, *tmp;
GValueArray *result;
GstDecodeBin *dbin = GST_DECODE_BIN_CAST (element);
@ -1240,9 +1242,23 @@ gst_decode_bin_autoplug_factories (GstElement * element, GstPad * pad,
/* return all compatible factories for caps */
g_mutex_lock (dbin->factories_lock);
gst_decode_bin_update_factories_list (dbin);
result = gst_factory_list_filter (dbin->factories, caps);
list =
gst_element_factory_list_filter (dbin->factories, caps, GST_PAD_SINK,
FALSE);
g_mutex_unlock (dbin->factories_lock);
result = g_value_array_new (g_list_length (list));
for (tmp = list; tmp; tmp = tmp->next) {
GstElementFactory *factory = GST_ELEMENT_FACTORY_CAST (tmp->data);
GValue val = { 0, };
g_value_init (&val, G_TYPE_OBJECT);
g_value_set_object (&val, factory);
g_value_array_append (result, &val);
g_value_unset (&val);
}
gst_plugin_feature_list_free (list);
GST_DEBUG_OBJECT (element, "autoplug-factories returns %p", result);
return result;

266
gst/playback/gstfactorylists.c
View file

@ -1,266 +0,0 @@
/* GStreamer
* Copyright (C) <2007> Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <string.h>
#include "gstfactorylists.h"
typedef struct
{
GstFactoryListType type;
} FilterData;
/* function used to sort element features. We first sort on the rank, then
* on the element name (to get a consistent, predictable list) */
static gint
compare_ranks (GValue * v1, GValue * v2)
{
gint diff;
GstPluginFeature *f1, *f2;
f1 = g_value_get_object (v1);
f2 = g_value_get_object (v2);
diff = f2->rank - f1->rank;
if (diff != 0)
return diff;
diff = strcmp (f2->name, f1->name);
return diff;
}
/* the filter function for selecting the elements we can use in
* autoplugging */
static gboolean
decoders_filter (GstElementFactory * factory)
{
guint rank;
const gchar *klass;
klass = gst_element_factory_get_klass (factory);
/* only demuxers, decoders, depayloaders and parsers can play */
if (strstr (klass, "Demux") == NULL &&
strstr (klass, "Decoder") == NULL &&
strstr (klass, "Depayloader") == NULL &&
strstr (klass, "Parse") == NULL) {
return FALSE;
}
/* only select elements with autoplugging rank */
rank = gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory));
if (rank < GST_RANK_MARGINAL)
return FALSE;
return TRUE;
}
/* the filter function for selecting the elements we can use in
* autoplugging */
static gboolean
sinks_filter (GstElementFactory * factory)
{
guint rank;
const gchar *klass;
klass = gst_element_factory_get_klass (factory);
/* only sinks can play */
if (strstr (klass, "Sink") == NULL) {
return FALSE;
}
/* must be audio or video sink */
if (strstr (klass, "Audio") == NULL && strstr (klass, "Video") == NULL) {
return FALSE;
}
/* only select elements with autoplugging rank */
rank = gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory));
if (rank < GST_RANK_MARGINAL)
return FALSE;
return TRUE;
}
/**
* gst_factory_list_is_type:
* @factory: a #GstElementFactory
* @type: a #GstFactoryListType
*
* Check if @factory if of the given types.
*
* Returns: %TRUE if @factory is of @type.
*/
gboolean
gst_factory_list_is_type (GstElementFactory * factory, GstFactoryListType type)
{
gboolean res = FALSE;
if (!res && (type & GST_FACTORY_LIST_SINK))
res = sinks_filter (factory);
if (!res && (type & GST_FACTORY_LIST_DECODER))
res = decoders_filter (factory);
return res;
}
static gboolean
element_filter (GstPluginFeature * feature, FilterData * data)
{
gboolean res;
/* we only care about element factories */
if (!GST_IS_ELEMENT_FACTORY (feature))
return FALSE;
res =
gst_factory_list_is_type (GST_ELEMENT_FACTORY_CAST (feature), data->type);
return res;
}
/**
* gst_factory_list_get_elements:
* @type: a #GstFactoryListType
*
* Get a sorted list of factories of @type.
*
* Returns: a #GValueArray of #GstElementFactory elements. Use
* g_value_array_free() after usage.
*/
GValueArray *
gst_factory_list_get_elements (GstFactoryListType type)
{
GValueArray *result;
GList *walk, *list;
FilterData data;
result = g_value_array_new (0);
/* prepare type */
data.type = type;
/* get the feature list using the filter */
list = gst_default_registry_feature_filter ((GstPluginFeatureFilter)
element_filter, FALSE, &data);
/* convert to an array */
for (walk = list; walk; walk = g_list_next (walk)) {
GstElementFactory *factory = GST_ELEMENT_FACTORY_CAST (walk->data);
GValue val = { 0, };
g_value_init (&val, G_TYPE_OBJECT);
g_value_set_object (&val, factory);
g_value_array_append (result, &val);
g_value_unset (&val);
}
gst_plugin_feature_list_free (list);
/* sort on rank and name */
g_value_array_sort (result, (GCompareFunc) compare_ranks);
return result;
}
/**
* gst_factory_list_debug:
* @array: an array of element factories
*
* Debug the element factory names in @array.
*/
void
gst_factory_list_debug (GValueArray * array)
{
#ifndef GST_DISABLE_GST_DEBUG
gint i;
for (i = 0; i < array->n_values; i++) {
GValue *value;
GstPluginFeature *feature;
value = g_value_array_get_nth (array, i);
feature = g_value_get_object (value);
GST_DEBUG ("%s", gst_plugin_feature_get_name (feature));
}
#endif
}
/**
* gst_factory_list_filter:
* @array: a #GValueArray to filter
* @caps: a #GstCaps
*
* Filter out all the elementfactories in @array that can handle @caps as
* input.
*
* Returns: a #GValueArray of #GstElementFactory elements. Use
* g_value_array_free() after usage.
*/
GValueArray *
gst_factory_list_filter (GValueArray * array, const GstCaps * caps)
{
GValueArray *result;
gint i;
result = g_value_array_new (0);
GST_DEBUG ("finding factories");
/* loop over all the factories */
for (i = 0; i < array->n_values; i++) {
GValue *value;
GstElementFactory *factory;
const GList *templates;
GList *walk;
value = g_value_array_get_nth (array, i);
factory = g_value_get_object (value);
/* get the templates from the element factory */
templates = gst_element_factory_get_static_pad_templates (factory);
for (walk = (GList *) templates; walk; walk = g_list_next (walk)) {
GstStaticPadTemplate *templ = walk->data;
/* we only care about the sink templates */
if (templ->direction == GST_PAD_SINK) {
GstCaps *tmpl_caps;
/* try to intersect the caps with the caps of the template */
tmpl_caps = gst_static_caps_get (&templ->static_caps);
/* FIXME, intersect is not the right method, we ideally want to check
* for a subset here */
/* check if the intersection is empty */
if (gst_caps_can_intersect (caps, tmpl_caps)) {
/* non empty intersection, we can use this element */
GValue resval = { 0, };
g_value_init (&resval, G_TYPE_OBJECT);
g_value_set_object (&resval, factory);
g_value_array_append (result, &resval);
g_value_unset (&resval);
gst_caps_unref (tmpl_caps);
break;
}
gst_caps_unref (tmpl_caps);
}
}
}
return result;
}

50
gst/playback/gstfactorylists.h
View file

@ -1,50 +0,0 @@
/* GStreamer
* Copyright (C) <2007> Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_FACTORY_LISTS_H__
#define __GST_FACTORY_LISTS_H__
#include <gst/gst.h>
G_BEGIN_DECLS
typedef enum {
GST_FACTORY_LIST_DECODER = (1 << 0),
GST_FACTORY_LIST_ENCODER = (1 << 1),
GST_FACTORY_LIST_SINK = (1 << 2),
GST_FACTORY_LIST_SRC = (1 << 3)
} GstFactoryListType;
gboolean gst_factory_list_is_type (GstElementFactory *factory, GstFactoryListType type);
GValueArray * gst_factory_list_get_elements (GstFactoryListType type);
void gst_factory_list_debug (GValueArray *array);
GValueArray * gst_factory_list_filter (GValueArray *array, const GstCaps *caps);
#ifndef GST_DISABLE_GST_DEBUG
#define GST_FACTORY_LIST_DEBUG(array) gst_factory_list_debug(array)
#else
#define GST_FACTORY_LIST_DEBUG(array)
#endif
G_END_DECLS
#endif /* __GST_FACTORY_LISTS_H__ */

48
gst/playback/gstplaybin2.c
View file

@ -231,7 +231,6 @@
#include "gstplay-marshal.h"
#include "gstplayback.h"
#include "gstplaysink.h"
#include "gstfactorylists.h"
#include "gstscreenshot.h"
#include "gstinputselector.h"
#include "gstsubtitleoverlay.h"
@ -386,7 +385,7 @@ struct _GstPlayBin
GMutex *elements_lock;
guint32 elements_cookie;
GValueArray *elements; /* factories we can use for selecting elements */
GList *elements; /* factories we can use for selecting elements */
gboolean have_selector; /* set to FALSE when we fail to create an
* input-selector, so that we only post a
@ -1135,14 +1134,22 @@ notify_mute_cb (GObject * selector, GParamSpec * pspec, GstPlayBin * playbin)
static void
gst_play_bin_update_elements_list (GstPlayBin * playbin)
{
GList *res, *tmp;
if (!playbin->elements ||
playbin->elements_cookie !=
gst_default_registry_get_feature_list_cookie ()) {
if (playbin->elements)
g_value_array_free (playbin->elements);
gst_plugin_feature_list_free (playbin->elements);
res =
gst_element_factory_list_get_elements
(GST_ELEMENT_FACTORY_TYPE_DECODABLE, GST_RANK_MARGINAL);
tmp =
gst_element_factory_list_get_elements
(GST_ELEMENT_FACTORY_TYPE_AUDIOVIDEO_SINKS, GST_RANK_MARGINAL);
playbin->elements = g_list_concat (res, tmp);
playbin->elements =
gst_factory_list_get_elements (GST_FACTORY_LIST_DECODER |
GST_FACTORY_LIST_SINK);
g_list_sort (playbin->elements, gst_plugin_feature_rank_compare_func);
playbin->elements_cookie = gst_default_registry_get_feature_list_cookie ();
}
}
@ -1204,7 +1211,7 @@ gst_play_bin_finalize (GObject * object)
gst_object_unref (playbin->text_sink);
if (playbin->elements)
g_value_array_free (playbin->elements);
gst_plugin_feature_list_free (playbin->elements);
g_mutex_free (playbin->lock);
g_mutex_free (playbin->dyn_lock);
g_mutex_free (playbin->elements_lock);
@ -2812,6 +2819,7 @@ autoplug_factories_cb (GstElement * decodebin, GstPad * pad,
GstCaps * caps, GstSourceGroup * group)
{
GstPlayBin *playbin;
GList *mylist, *tmp;
GValueArray *result;
playbin = group->playbin;
@ -2822,11 +2830,26 @@ autoplug_factories_cb (GstElement * decodebin, GstPad * pad,
/* filter out the elements based on the caps. */
g_mutex_lock (playbin->elements_lock);
gst_play_bin_update_elements_list (playbin);
result = gst_factory_list_filter (playbin->elements, caps);
mylist =
gst_element_factory_list_filter (playbin->elements, caps, GST_PAD_SINK,
FALSE);
g_mutex_unlock (playbin->elements_lock);
GST_DEBUG_OBJECT (playbin, "found factories %p", result);
GST_FACTORY_LIST_DEBUG (result);
GST_DEBUG_OBJECT (playbin, "found factories %p", mylist);
GST_PLUGIN_FEATURE_LIST_DEBUG (mylist);
result = g_value_array_new (g_list_length (mylist));
for (tmp = mylist; tmp; tmp = tmp->next) {
GstElementFactory *factory = GST_ELEMENT_FACTORY_CAST (tmp->data);
GValue val = { 0, };
g_value_init (&val, G_TYPE_OBJECT);
g_value_set_object (&val, factory);
g_value_array_append (result, &val);
g_value_unset (&val);
}
gst_plugin_feature_list_free (mylist);
return result;
}
@ -2847,8 +2870,8 @@ autoplug_continue_cb (GstElement * element, GstPad * pad, GstCaps * caps,
GstPad *text_sinkpad = NULL;
text_sink =
(group->playbin->text_sink) ? gst_object_ref (group->
playbin->text_sink) : NULL;
(group->playbin->text_sink) ? gst_object_ref (group->playbin->
text_sink) : NULL;
if (text_sink)
text_sinkpad = gst_element_get_static_pad (text_sink, "sink");
@ -2904,7 +2927,8 @@ autoplug_select_cb (GstElement * decodebin, GstPad * pad,
GST_PLUGIN_FEATURE_NAME (factory));
/* if it's not a sink, we just make decodebin try it */
if (!gst_factory_list_is_type (factory, GST_FACTORY_LIST_SINK))
if (!gst_element_factory_list_is_type (factory,
GST_ELEMENT_FACTORY_TYPE_SINK))
return GST_AUTOPLUG_SELECT_TRY;
/* it's a sink, see if an instance of it actually works */

28
gst/playback/gsturidecodebin.c
View file

@ -34,7 +34,6 @@
#include <gst/gst-i18n-plugin.h>
#include <gst/pbutils/missing-plugins.h>
#include "gstfactorylists.h"
#include "gstplay-marshal.h"
#include "gstplay-enum.h"
#include "gstrawcaps.h"
@ -71,7 +70,7 @@ struct _GstURIDecodeBin
GMutex *factories_lock;
guint32 factories_cookie;
GValueArray *factories; /* factories we can use for selecting elements */
GList *factories; /* factories we can use for selecting elements */
gchar *uri;
guint connection_speed;
@ -267,8 +266,10 @@ gst_uri_decode_bin_update_factories_list (GstURIDecodeBin * dec)
dec->factories_cookie !=
gst_default_registry_get_feature_list_cookie ()) {
if (dec->factories)
g_value_array_free (dec->factories);
dec->factories = gst_factory_list_get_elements (GST_FACTORY_LIST_DECODER);
gst_plugin_feature_list_free (dec->factories);
dec->factories =
gst_element_factory_list_get_elements
(GST_ELEMENT_FACTORY_TYPE_DECODABLE, GST_RANK_MARGINAL);
dec->factories_cookie = gst_default_registry_get_feature_list_cookie ();
}
}
@ -277,6 +278,7 @@ static GValueArray *
gst_uri_decode_bin_autoplug_factories (GstElement * element, GstPad * pad,
GstCaps * caps)
{
GList *list, *tmp;
GValueArray *result;
GstURIDecodeBin *dec = GST_URI_DECODE_BIN_CAST (element);
@ -285,9 +287,23 @@ gst_uri_decode_bin_autoplug_factories (GstElement * element, GstPad * pad,
/* return all compatible factories for caps */
g_mutex_lock (dec->factories_lock);
gst_uri_decode_bin_update_factories_list (dec);
result = gst_factory_list_filter (dec->factories, caps);
list =
gst_element_factory_list_filter (dec->factories, caps, GST_PAD_SINK,
FALSE);
g_mutex_unlock (dec->factories_lock);
result = g_value_array_new (g_list_length (list));
for (tmp = list; tmp; tmp = tmp->next) {
GstElementFactory *factory = GST_ELEMENT_FACTORY_CAST (tmp->data);
GValue val = { 0, };
g_value_init (&val, G_TYPE_OBJECT);
g_value_set_object (&val, factory);
g_value_array_append (result, &val);
g_value_unset (&val);
}
gst_plugin_feature_list_free (list);
GST_DEBUG_OBJECT (element, "autoplug-factories returns %p", result);
return result;
@ -557,7 +573,7 @@ gst_uri_decode_bin_finalize (GObject * obj)
g_free (dec->uri);
g_free (dec->encoding);
if (dec->factories)
g_value_array_free (dec->factories);
gst_plugin_feature_list_free (dec->factories);
if (dec->caps)
gst_caps_unref (dec->caps);