diff options
| -rw-r--r-- | gst/autoconvert/Makefile.am | 2 | ||||
| -rw-r--r-- | gst/autoconvert/gstautocolorspace.c | 242 | ||||
| -rw-r--r-- | gst/autoconvert/gstautocolorspace.h | 55 | ||||
| -rw-r--r-- | gst/autoconvert/gstautoconvert.c | 2 | ||||
| -rw-r--r-- | gst/autoconvert/plugin.c | 46 |
5 files changed, 346 insertions, 1 deletions
diff --git a/gst/autoconvert/Makefile.am b/gst/autoconvert/Makefile.am index 28fc01557..e92d8a6a7 100644 --- a/gst/autoconvert/Makefile.am +++ b/gst/autoconvert/Makefile.am @@ -1,6 +1,6 @@ plugin_LTLIBRARIES = libgstautoconvert.la -libgstautoconvert_la_SOURCES = gstautoconvert.c gstautoconvert.h +libgstautoconvert_la_SOURCES = gstautoconvert.c gstautoconvert.h gstautocolorspace.c gstautcolorspace.h plugin.c libgstautoconvert_la_CFLAGS = $(GST_CFLAGS) libgstautoconvert_la_LIBADD = $(GST_LIBS) diff --git a/gst/autoconvert/gstautocolorspace.c b/gst/autoconvert/gstautocolorspace.c new file mode 100644 index 000000000..0ea615a39 --- /dev/null +++ b/gst/autoconvert/gstautocolorspace.c @@ -0,0 +1,242 @@ +/* GStreamer + * Copyright 2010 ST-Ericsson SA + * @author: Benjamin Gaignard <benjamin.gaignard@stericsson.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. + */ +/* + * test autocolorspace: + * if rgb2bayer is present + * gst-launch videotestsrc num-buffers=2 ! "video/x-raw-rgb,width=100,height=100,framerate=10/1" ! autocolorspace ! "video/x-raw-bayer,width=100,height=100,format=bggr,framerate=10/1" ! fakesink -v + * if bayer2rgb is present + * gst-launch videotestsrc num-buffers=2 ! "video/x-raw-bayer,width=100,height=100,format=bggr,framerate=10/1" ! autocolorspace ! "video/x-raw-rgb,width=100,height=100,framerate=10/1" ! fakesink -v + * test with ffmpegcolorspace + * gst-launch videotestsrc num-buffers=2 ! "video/x-raw-rgb,bpp=32,width=100,height=100,framerate=10/1" ! autocolorspace ! "video/x-raw-rgb,bpp=16,width=100,height=100,framerate=10/1" ! fakesink -v + */ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <string.h> + +#include "gstautocolorspace.h" + +GST_DEBUG_CATEGORY (autocolorspace_debug); +#define GST_CAT_DEFAULT (autocolorspace_debug) + +GStaticMutex factories_mutex = G_STATIC_MUTEX_INIT; +guint32 factories_cookie = 0; /* Cookie from last time when factories was updated */ +GList *factories = NULL; /* factories we can use for selecting elements */ + +/* element factory information */ +static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink", + GST_PAD_SINK, + GST_PAD_ALWAYS, + GST_STATIC_CAPS_ANY); + +static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src", + GST_PAD_SRC, + GST_PAD_ALWAYS, + GST_STATIC_CAPS_ANY); + + +static GstStateChangeReturn gst_auto_color_space_change_state (GstElement * + element, GstStateChange transition); + +void gst_auto_color_space_update_factory_list (GstAutoColorSpace * + autocolorspace); + +static gboolean +gst_auto_color_space_element_filter (GstPluginFeature * feature, + GstAutoColorSpace * autocolorspace) +{ + const gchar *klass; + + /* we only care about element factories */ + if (G_UNLIKELY (!GST_IS_ELEMENT_FACTORY (feature))) + return FALSE; + + klass = gst_element_factory_get_klass (GST_ELEMENT_FACTORY_CAST (feature)); + /* only select color space converter */ + if (strstr (klass, "Filter") && + strstr (klass, "Converter") && strstr (klass, "Video")) { + GST_DEBUG_OBJECT (autocolorspace, + "gst_auto_color_space_element_filter found %s\n", + gst_plugin_feature_get_name (GST_PLUGIN_FEATURE_CAST (feature))); + return TRUE; + } + return FALSE; +} + + +static GList * +gst_auto_color_space_create_factory_list (GstAutoColorSpace * autocolorspace) +{ + GList *result = NULL; + + /* get the feature list using the filter */ + result = gst_default_registry_feature_filter ((GstPluginFeatureFilter) + gst_auto_color_space_element_filter, FALSE, autocolorspace); + + /* sort on rank and name */ + result = g_list_sort (result, gst_plugin_feature_rank_compare_func); + + return result; +} + +void +gst_auto_color_space_update_factory_list (GstAutoColorSpace * autocolorspace) +{ + /* use a static mutex to protect factories list and factories cookie */ + g_static_mutex_lock (&factories_mutex); + + /* test if a factories list already exist or not */ + if (!factories) { + /* no factories list create it */ + factories_cookie = gst_default_registry_get_feature_list_cookie (); + factories = gst_auto_color_space_create_factory_list (autocolorspace); + } else { + /* a factories list exist but is it up to date? */ + if (factories_cookie != gst_default_registry_get_feature_list_cookie ()) { + /* we need to update the factories list */ + /* first free the old one */ + gst_plugin_feature_list_free (factories); + /* then create an updated one */ + factories_cookie = gst_default_registry_get_feature_list_cookie (); + factories = gst_auto_color_space_create_factory_list (autocolorspace); + } + } + + g_static_mutex_unlock (&factories_mutex); +} + +GST_BOILERPLATE (GstAutoColorSpace, gst_auto_color_space, GstBin, GST_TYPE_BIN); + +static void +gst_auto_color_space_base_init (gpointer klass) +{ + GstElementClass *element_class = GST_ELEMENT_CLASS (klass); + + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&srctemplate)); + gst_element_class_add_pad_template (element_class, + gst_static_pad_template_get (&sinktemplate)); + + gst_element_class_set_details_simple (element_class, + "Select color space convertor based on caps", "Generic/Bin", + "Selects the right color space convertor based on the caps", + "Benjamin Gaignard <benjamin.gaignard@stericsson.com>"); +} + +static void +gst_auto_color_space_dispose (GObject * object) +{ + G_OBJECT_CLASS (parent_class)->dispose (object); +} + +static void +gst_auto_color_space_class_init (GstAutoColorSpaceClass * klass) +{ + GObjectClass *gobject_class = (GObjectClass *) klass; + GstElementClass *gstelement_class = (GstElementClass *) klass; + + gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_auto_color_space_dispose); + + GST_DEBUG_CATEGORY_INIT (autocolorspace_debug, "autocolorspace", 0, + "Auto color space converter"); + + gstelement_class->change_state = + GST_DEBUG_FUNCPTR (gst_auto_color_space_change_state); + +} + +static void +gst_auto_color_space_add_autoconvert (GstAutoColorSpace * autocolorspace) +{ + GstPad *pad; + + autocolorspace->autoconvert = + gst_element_factory_make ("autoconvert", "autoconvertchild"); + + /* first add autoconvert in bin */ + gst_bin_add (GST_BIN (autocolorspace), autocolorspace->autoconvert); + + /* get sinkpad and link it to ghost sink pad */ + pad = gst_element_get_static_pad (autocolorspace->autoconvert, "sink"); + gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (autocolorspace->sinkpad), pad); + gst_object_unref (pad); + + /* get srcpad and link it to ghost src pad */ + pad = gst_element_get_static_pad (autocolorspace->autoconvert, "src"); + gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (autocolorspace->srcpad), pad); + gst_object_unref (pad); +} + +static void +gst_auto_color_space_init (GstAutoColorSpace * autocolorspace, + GstAutoColorSpaceClass * klass) +{ + GstPadTemplate *pad_tmpl; + + /* get sink pad template */ + pad_tmpl = gst_static_pad_template_get (&sinktemplate); + autocolorspace->sinkpad = + gst_ghost_pad_new_no_target_from_template ("sink", pad_tmpl); + /* add sink ghost pad */ + gst_element_add_pad (GST_ELEMENT (autocolorspace), autocolorspace->sinkpad); + + /* get src pad template */ + pad_tmpl = gst_static_pad_template_get (&srctemplate); + autocolorspace->srcpad = + gst_ghost_pad_new_no_target_from_template ("src", pad_tmpl); + /* add src ghost pad */ + gst_element_add_pad (GST_ELEMENT (autocolorspace), autocolorspace->srcpad); + + return; +} + +static GstStateChangeReturn +gst_auto_color_space_change_state (GstElement * element, + GstStateChange transition) +{ + GstAutoColorSpace *autocolorspace = GST_AUTO_COLOR_SPACE (element); + GstStateChangeReturn ret; + + ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); + if (ret == GST_STATE_CHANGE_FAILURE) + return ret; + + switch (transition) { + case GST_STATE_CHANGE_NULL_TO_READY: + { + /* create and add autoconvert in bin */ + gst_auto_color_space_add_autoconvert (autocolorspace); + /* get an updated list of factories */ + gst_auto_color_space_update_factory_list (autocolorspace); + GST_DEBUG_OBJECT (autocolorspace, "set factories list"); + /* give factory list to autoconvert */ + g_object_set (GST_ELEMENT (autocolorspace->autoconvert), "factories", + factories, NULL); + /* synchronize autoconvert state with parent state */ + gst_element_sync_state_with_parent (autocolorspace->autoconvert); + break; + } + default: + break; + } + + return ret; +} diff --git a/gst/autoconvert/gstautocolorspace.h b/gst/autoconvert/gstautocolorspace.h new file mode 100644 index 000000000..b14e4bd16 --- /dev/null +++ b/gst/autoconvert/gstautocolorspace.h @@ -0,0 +1,55 @@ +/* GStreamer + * Copyright 2010 ST-Ericsson SA + * @author: Benjamin Gaignard <benjamin.gaignard@stericsson.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_AUTO_COLOR_SPACE_H__ +#define __GST_AUTO_COLOR_SPACE_H__ + +#include <gst/gst.h> +#include <gst/gstbin.h> +#include "gstautoconvert.h" + +G_BEGIN_DECLS +#define GST_TYPE_AUTO_COLOR_SPACE (gst_auto_color_space_get_type()) +#define GST_AUTO_COLOR_SPACE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_AUTO_COLOR_SPACE,GstAutoColorSpace)) +#define GST_AUTO_COLOR_SPACE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_AUTO_COLOR_SPACE,GstAutoColorSpaceClass)) +#define GST_IS_AUTO_COLOR_SPACE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_AUTO_COLOR_SPACE)) +#define GST_IS_AUTO_COLOR_SPACE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_AUTO_COLOR_SPACE)) +typedef struct _GstAutoColorSpace GstAutoColorSpace; +typedef struct _GstAutoColorSpaceClass GstAutoColorSpaceClass; + +struct _GstAutoColorSpace +{ + /*< private > */ + GstBin bin; /* we extend GstBin */ + + GstElement *autoconvert; + GstPad *sinkpad; + GstPad *srcpad; +}; + +struct _GstAutoColorSpaceClass +{ + GstBinClass parent_class; +}; + +GType gst_auto_color_space_get_type (void); + +G_END_DECLS +#endif /* __GST_AUTO_COLOR_SPACE_H__ */ diff --git a/gst/autoconvert/gstautoconvert.c b/gst/autoconvert/gstautoconvert.c index 3c254f6de..5a7a2eea9 100644 --- a/gst/autoconvert/gstautoconvert.c +++ b/gst/autoconvert/gstautoconvert.c @@ -1552,6 +1552,7 @@ gst_auto_convert_internal_src_query_type (GstPad * pad) return ret; } +/* static gboolean gst_auto_convert_plugin_init (GstPlugin * plugin) { @@ -1565,3 +1566,4 @@ GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, "Selects convertor element based on caps", gst_auto_convert_plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN) +*/ diff --git a/gst/autoconvert/plugin.c b/gst/autoconvert/plugin.c new file mode 100644 index 000000000..dd2ca033b --- /dev/null +++ b/gst/autoconvert/plugin.c @@ -0,0 +1,46 @@ +/* GStreamer + * Copyright 2010 ST-Ericsson SA + * @author: Benjamin Gaignard <benjamin.gaignard@stericsson.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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "gstautoconvert.h" +#include "gstautocolorspace.h" + +static gboolean +plugin_init (GstPlugin * plugin) +{ + gboolean ret; + + ret = gst_element_register (plugin, "autoconvert", + GST_RANK_NONE, GST_TYPE_AUTO_CONVERT); + + ret &= gst_element_register (plugin, "autocolorspace", + GST_RANK_NONE, GST_TYPE_AUTO_COLOR_SPACE); + + return ret; +} + +GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, + GST_VERSION_MINOR, + "autoconvert", + "Selects convertor element based on caps", + plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN) |