From: <en...@ke...> - 2008-10-27 08:57:25
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CVS Root: /cvs/gstreamer Module: gst-plugins-good Changes by: ensonic Date: Mon Oct 27 2008 08:54:44 UTC Log message: * gst/autodetect/Makefile.am: * gst/autodetect/gstautoaudiosink.c: * gst/autodetect/gstautoaudiosrc.c: * gst/autodetect/gstautoaudiosrc.h: * gst/autodetect/gstautodetect.c: * gst/autodetect/gstautovideosink.c: * gst/autodetect/gstautovideosrc.c: * gst/autodetect/gstautovideosrc.h: Implement src plugins. Little code/string cleanup in the sinks. Fixes #523813. Modified files: . : ChangeLog gst/autodetect : Makefile.am gstautoaudiosink.c gstautodetect.c gstautovideosink.c Added files: gst/autodetect : gstautoaudiosrc.c gstautoaudiosrc.h gstautovideosrc.c gstautovideosrc.h Links: http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins-good/ChangeLog.diff?r1=1.3774&r2=1.3775 http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins-good/gst/autodetect/Makefile.am.diff?r1=1.4&r2=1.5 http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins-good/gst/autodetect/gstautoaudiosink.c.diff?r1=1.29&r2=1.30 http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins-good/gst/autodetect/gstautoaudiosrc.c?rev=1.1&content-type=text/vnd.viewcvs-markup http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins-good/gst/autodetect/gstautoaudiosrc.h?rev=1.1&content-type=text/vnd.viewcvs-markup http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins-good/gst/autodetect/gstautodetect.c.diff?r1=1.3&r2=1.4 http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins-good/gst/autodetect/gstautovideosink.c.diff?r1=1.22&r2=1.23 http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins-good/gst/autodetect/gstautovideosrc.c?rev=1.1&content-type=text/vnd.viewcvs-markup http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins-good/gst/autodetect/gstautovideosrc.h?rev=1.1&content-type=text/vnd.viewcvs-markup ====Begin Diffs==== Index: ChangeLog =================================================================== RCS file: /cvs/gstreamer/gst-plugins-good/ChangeLog,v retrieving revision 1.3774 retrieving revision 1.3775 diff -u -d -r1.3774 -r1.3775 --- ChangeLog 27 Oct 2008 08:45:09 -0000 1.3774 +++ ChangeLog 27 Oct 2008 08:54:27 -0000 1.3775 @@ -1,3 +1,17 @@ +2008-10-27 Stefan Kost <en...@us...> + + * gst/autodetect/Makefile.am: + * gst/autodetect/gstautoaudiosink.c: + * gst/autodetect/gstautoaudiosrc.c: + * gst/autodetect/gstautoaudiosrc.h: + * gst/autodetect/gstautodetect.c: + * gst/autodetect/gstautovideosink.c: + * gst/autodetect/gstautovideosrc.c: + * gst/autodetect/gstautovideosrc.h: + Implement src plugins. Little code/string cleanup in the sinks. + Fixes #523813. 2008-10-27 Sebastian Dröge <seb...@co...> Patch by: Peter Kjellerstedt <pkj at axis com> Index: Makefile.am RCS file: /cvs/gstreamer/gst-plugins-good/gst/autodetect/Makefile.am,v retrieving revision 1.4 retrieving revision 1.5 diff -u -d -r1.4 -r1.5 --- Makefile.am 22 Aug 2008 16:04:02 -0000 1.4 +++ Makefile.am 27 Oct 2008 08:54:29 -0000 1.5 @@ -2,13 +2,17 @@ libgstautodetect_la_SOURCES = \ gstautoaudiosink.c \ + gstautoaudiosrc.c \ gstautodetect.c \ - gstautovideosink.c + gstautovideosink.c \ + gstautovideosrc.c libgstautodetect_la_CFLAGS = $(GST_CFLAGS) libgstautodetect_la_LIBADD = $(GST_LIBS) libgstautodetect_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) noinst_HEADERS = \ gstautoaudiosink.h \ + gstautoaudiosrc.h \ gstautodetect.h \ - gstautovideosink.h + gstautovideosink.h \ + gstautovideosrc.h Index: gstautoaudiosink.c RCS file: /cvs/gstreamer/gst-plugins-good/gst/autodetect/gstautoaudiosink.c,v retrieving revision 1.29 retrieving revision 1.30 diff -u -d -r1.29 -r1.30 --- gstautoaudiosink.c 21 May 2008 17:39:37 -0000 1.29 +++ gstautoaudiosink.c 27 Oct 2008 08:54:29 -0000 1.30 @@ -22,19 +22,16 @@ * SECTION:element-autoaudiosink * @see_also: autovideosink, alsasink, osssink * - * <refsect2> - * <para> * autoaudiosink is an audio sink that automatically detects an appropriate * audio sink to use. It does so by scanning the registry for all elements * that have <quote>Sink</quote> and <quote>Audio</quote> in the class field * of their element information, and also have a non-zero autoplugging rank. - * </para> + * + * <refsect2> * <title>Example launch line</title> - * <programlisting> + * |[ * gst-launch -v -m audiotestsrc ! audioconvert ! audioresample ! autoaudiosink - * </programlisting> + * ]| * </refsect2> */ @@ -71,7 +68,7 @@ "Sink/Audio", "Wrapper audio sink for automatically detected audio sink", "Ronald Bultje <rb...@ro...>\n" - "Jan Schmidt <th...@no..."); + "Jan Schmidt <th...@no...>"); static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, @@ -349,9 +346,8 @@ /* find element */ GST_DEBUG_OBJECT (sink, "Creating new kid"); - if (!(esink = gst_auto_audio_sink_find_best (sink))) { - return FALSE; - } + if (!(esink = gst_auto_audio_sink_find_best (sink))) + goto no_sink; sink->kid = esink; /* Ensure the child is brought up to the right state to match the parent @@ -370,6 +366,14 @@ GST_DEBUG_OBJECT (sink, "done changing auto audio sink"); return TRUE; + /* ERRORS */ +no_sink: + { + GST_ELEMENT_ERROR (sink, LIBRARY, INIT, (NULL), + ("Failed to find a supported audio sink")); + return FALSE; + } } static GstStateChangeReturn --- NEW FILE: gstautoaudiosrc.c --- /* GStreamer * (c) 2005 Ronald S. Bultje <rb...@ro...> * (c) 2006 Jan Schmidt <th...@no...> * (c) 2008 Stefan Kost <en...@us...> * * 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. */ /** * SECTION:element-autoaudiosrc * @see_also: autovideosrc, alsasrc, osssrc * autoaudiosrc is an audio source that automatically detects an appropriate * audio source to use. It does so by scanning the registry for all elements * that have <quote>Source</quote> and <quote>Audio</quote> in the class field * of their element information, and also have a non-zero autoplugging rank. * <refsect2> * <title>Example launch line</title> * |[ * gst-launch -v -m autoaudiosrc ! audioconvert ! audioresample ! autoaudiosink * ]| * </refsect2> #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <string.h> #include "gstautoaudiosrc.h" #include "gstautodetect.h" /* Properties */ enum { PROP_0, PROP_CAPS, }; static GstStateChangeReturn gst_auto_audio_src_change_state (GstElement * element, GstStateChange transition); static void gst_auto_audio_src_dispose (GstAutoAudioSrc * src); static void gst_auto_audio_src_clear_kid (GstAutoAudioSrc * src); static void gst_auto_audio_src_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec); static void gst_auto_audio_src_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); GST_BOILERPLATE (GstAutoAudioSrc, gst_auto_audio_src, GstBin, GST_TYPE_BIN); static const GstElementDetails gst_auto_audio_src_details = GST_ELEMENT_DETAILS ("Auto audio source", "Sink/Audio", "Wrapper audio source for automatically detected audio source", "Ronald Bultje <rb...@ro...>\n" "Jan Schmidt <th...@no...>\n" "Stefan Kost <en...@us...>"); static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS, GST_STATIC_CAPS_ANY); static void gst_auto_audio_src_base_init (gpointer klass) GstElementClass *eklass = GST_ELEMENT_CLASS (klass); gst_element_class_add_pad_template (eklass, gst_static_pad_template_get (&src_template)); gst_element_class_set_details (eklass, &gst_auto_audio_src_details); } gst_auto_audio_src_class_init (GstAutoAudioSrcClass * klass) GObjectClass *gobject_class; GstElementClass *eklass; gobject_class = G_OBJECT_CLASS (klass); eklass = GST_ELEMENT_CLASS (klass); gobject_class->dispose = (GObjectFinalizeFunc) GST_DEBUG_FUNCPTR (gst_auto_audio_src_dispose); eklass->change_state = GST_DEBUG_FUNCPTR (gst_auto_audio_src_change_state); gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_auto_audio_src_set_property); gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_auto_audio_src_get_property); /** * GstAutoAudioSrc:filter-caps * * This property will filter out candidate sinks that can handle the specified * caps. By default only audio sinks that support raw floating point and * integer audio are selected. * This property can only be set before the element goes to the READY state. * Since: 0.10.11 **/ g_object_class_install_property (gobject_class, PROP_CAPS, g_param_spec_boxed ("filter-caps", "Filter caps", "Filter sink candidates using these caps.", GST_TYPE_CAPS, G_PARAM_READWRITE)); gst_auto_audio_src_dispose (GstAutoAudioSrc * sink) gst_auto_audio_src_clear_kid (sink); if (sink->filter_caps) gst_caps_unref (sink->filter_caps); sink->filter_caps = NULL; G_OBJECT_CLASS (parent_class)->dispose ((GObject *) sink); gst_auto_audio_src_clear_kid (GstAutoAudioSrc * sink) if (sink->kid) { gst_element_set_state (sink->kid, GST_STATE_NULL); gst_bin_remove (GST_BIN (sink), sink->kid); sink->kid = NULL; } /* * Hack to make initial linking work; ideally, this'd work even when * no target has been assigned to the ghostpad yet. gst_auto_audio_src_reset (GstAutoAudioSrc * src) GstPad *targetpad; gst_auto_audio_src_clear_kid (src); /* fakesink placeholder */ src->kid = gst_element_factory_make ("fakesrc", "tempsrc"); gst_bin_add (GST_BIN (src), src->kid); /* pad */ targetpad = gst_element_get_static_pad (src->kid, "src"); gst_ghost_pad_set_target (GST_GHOST_PAD (src->pad), targetpad); gst_object_unref (targetpad); static GstStaticCaps raw_caps = GST_STATIC_CAPS ("audio/x-raw-int; audio/x-raw-float"); gst_auto_audio_src_init (GstAutoAudioSrc * src, GstAutoAudioSrcClass * g_class) src->pad = gst_ghost_pad_new_no_target ("src", GST_PAD_SRC); gst_element_add_pad (GST_ELEMENT (src), src->pad); gst_auto_audio_src_reset (src); /* set the default raw audio caps */ src->filter_caps = gst_static_caps_get (&raw_caps); /* mark as source */ GST_OBJECT_FLAG_UNSET (src, GST_ELEMENT_IS_SINK); static gboolean gst_auto_audio_src_factory_filter (GstPluginFeature * feature, gpointer data) guint rank; const gchar *klass; /* we only care about element factories */ if (!GST_IS_ELEMENT_FACTORY (feature)) return FALSE; /* audio sinks */ klass = gst_element_factory_get_klass (GST_ELEMENT_FACTORY (feature)); if (!(strstr (klass, "Source") && strstr (klass, "Audio"))) /* only select elements with autoplugging rank */ rank = gst_plugin_feature_get_rank (feature); if (rank < GST_RANK_MARGINAL) return TRUE; static gint gst_auto_audio_src_compare_ranks (GstPluginFeature * f1, GstPluginFeature * f2) gint diff; diff = gst_plugin_feature_get_rank (f2) - gst_plugin_feature_get_rank (f1); if (diff != 0) return diff; return strcmp (gst_plugin_feature_get_name (f2), gst_plugin_feature_get_name (f1)); static GstElement * gst_auto_audio_src_create_element_with_pretty_name (GstAutoAudioSrc * src, GstElementFactory * factory) GstElement *element; gchar *name, *marker; marker = g_strdup (GST_PLUGIN_FEATURE (factory)->name); if (g_str_has_suffix (marker, "src")) marker[strlen (marker) - 4] = '\0'; if (g_str_has_prefix (marker, "gst")) g_memmove (marker, marker + 3, strlen (marker + 3) + 1); name = g_strdup_printf ("%s-actual-src-%s", GST_OBJECT_NAME (src), marker); g_free (marker); element = gst_element_factory_create (factory, name); g_free (name); return element; gst_auto_audio_src_find_best (GstAutoAudioSrc * src) GList *list, *item; GstElement *choice = NULL; GstMessage *message = NULL; GSList *errors = NULL; GstBus *bus = gst_bus_new (); GstPad *el_pad = NULL; GstCaps *el_caps = NULL, *intersect = NULL; gboolean no_match = TRUE; list = gst_registry_feature_filter (gst_registry_get_default (), (GstPluginFeatureFilter) gst_auto_audio_src_factory_filter, FALSE, src); list = g_list_sort (list, (GCompareFunc) gst_auto_audio_src_compare_ranks); /* We don't treat sound server sources special. Our policy is that sound * server sources that have a rank must not auto-spawn a daemon under any * circumstances, so there's nothing for us to worry about here */ GST_LOG_OBJECT (src, "Trying to find usable audio devices ..."); for (item = list; item != NULL; item = item->next) { GstElementFactory *f = GST_ELEMENT_FACTORY (item->data); GstElement *el; if ((el = gst_auto_audio_src_create_element_with_pretty_name (src, f))) { GstStateChangeReturn ret; GST_DEBUG_OBJECT (src, "Testing %s", GST_PLUGIN_FEATURE (f)->name); /* If autoAudioSrc has been provided with filter caps, * accept only sources that match with the filter caps */ if (src->filter_caps) { el_pad = gst_element_get_static_pad (GST_ELEMENT (el), "src"); el_caps = gst_pad_get_caps (el_pad); gst_object_unref (el_pad); GST_DEBUG_OBJECT (src, "Checking caps: %" GST_PTR_FORMAT " vs. %" GST_PTR_FORMAT, src->filter_caps, el_caps); intersect = gst_caps_intersect (src->filter_caps, el_caps); no_match = gst_caps_is_empty (intersect); gst_caps_unref (el_caps); gst_caps_unref (intersect); if (no_match) { GST_DEBUG_OBJECT (src, "Incompatible caps"); gst_object_unref (el); continue; } else { GST_DEBUG_OBJECT (src, "Found compatible caps"); } } gst_element_set_bus (el, bus); ret = gst_element_set_state (el, GST_STATE_READY); if (ret == GST_STATE_CHANGE_SUCCESS) { GST_DEBUG_OBJECT (src, "This worked!"); choice = el; break; /* collect all error messages */ while ((message = gst_bus_pop_filtered (bus, GST_MESSAGE_ERROR))) { GST_DEBUG_OBJECT (src, "error message %" GST_PTR_FORMAT, message); errors = g_slist_append (errors, message); gst_element_set_state (el, GST_STATE_NULL); gst_object_unref (el); } GST_DEBUG_OBJECT (src, "done trying"); if (!choice) { if (errors) { /* FIXME: we forward the first error for now; but later on it might make * sense to actually analyse them */ gst_message_ref (GST_MESSAGE (errors->data)); GST_DEBUG_OBJECT (src, "reposting message %p", errors->data); gst_element_post_message (GST_ELEMENT (src), GST_MESSAGE (errors->data)); } else { /* send warning message to application and use a fakesrc */ GST_ELEMENT_WARNING (src, RESOURCE, NOT_FOUND, (NULL), ("Failed to find a usable audio source")); choice = gst_element_factory_make ("fakesrc", "fake-audio-src"); if (g_object_class_find_property (G_OBJECT_GET_CLASS (choice), "sync")) g_object_set (choice, "sync", TRUE, NULL); gst_element_set_state (choice, GST_STATE_READY); gst_object_unref (bus); gst_plugin_feature_list_free (list); g_slist_foreach (errors, (GFunc) gst_mini_object_unref, NULL); g_slist_free (errors); return choice; gst_auto_audio_src_detect (GstAutoAudioSrc * src) GstElement *esrc; /* find element */ GST_DEBUG_OBJECT (src, "Creating new kid"); if (!(esrc = gst_auto_audio_src_find_best (src))) goto no_src; src->kid = esrc; /* Ensure the child is brought up to the right state to match the parent * although it's currently always in READY and * we're always doing NULL->READY. */ if (GST_STATE (src->kid) < GST_STATE (src)) gst_element_set_state (src->kid, GST_STATE (src)); gst_bin_add (GST_BIN (src), esrc); /* attach ghost pad */ GST_DEBUG_OBJECT (src, "Re-assigning ghostpad"); GST_DEBUG_OBJECT (src, "done changing auto audio source"); /* ERRORS */ no_src: { GST_ELEMENT_ERROR (src, LIBRARY, INIT, (NULL), ("Failed to find a supported audio source")); GstStateChange transition) GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS; GstAutoAudioSrc *src = GST_AUTO_AUDIO_SRC (element); switch (transition) { case GST_STATE_CHANGE_NULL_TO_READY: if (!gst_auto_audio_src_detect (src)) return GST_STATE_CHANGE_FAILURE; break; default: ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); if (ret == GST_STATE_CHANGE_FAILURE) return ret; case GST_STATE_CHANGE_READY_TO_NULL: gst_auto_audio_src_reset (src); return ret; gst_auto_audio_src_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) GstAutoAudioSrc *src = GST_AUTO_AUDIO_SRC (object); switch (prop_id) { case PROP_CAPS: if (src->filter_caps) gst_caps_unref (src->filter_caps); src->filter_caps = gst_caps_copy (gst_value_get_caps (value)); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); gst_auto_audio_src_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) case PROP_CAPS:{ gst_value_set_caps (value, src->filter_caps); --- NEW FILE: gstautoaudiosrc.h --- #ifndef __GST_AUTO_AUDIO_SRC_H__ #define __GST_AUTO_AUDIO_SRC_H__ #include <gst/gst.h> G_BEGIN_DECLS #define GST_TYPE_AUTO_AUDIO_SRC \ (gst_auto_audio_src_get_type ()) #define GST_AUTO_AUDIO_SRC(obj) \ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_AUTO_AUDIO_SRC, \ GstAutoAudioSrc)) #define GST_AUTO_AUDIO_SRC_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_AUTO_AUDIO_SRC, \ GstAutoAudioSrcClass)) #define GST_IS_AUTO_AUDIO_SRC(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_AUTO_AUDIO_SRC)) #define GST_IS_AUTO_AUDIO_SRC_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_AUTO_AUDIO_SRC)) typedef struct _GstAutoAudioSrc { GstBin parent; /* explicit pointers to stuff used */ GstPad *pad; GstElement *kid; GstCaps *filter_caps; } GstAutoAudioSrc; typedef struct _GstAutoAudioSrcClass { GstBinClass parent_class; } GstAutoAudioSrcClass; GType gst_auto_audio_src_get_type (void); G_END_DECLS #endif /* __GST_AUTO_AUDIO_SRC_H__ */ Index: gstautodetect.c RCS file: /cvs/gstreamer/gst-plugins-good/gst/autodetect/gstautodetect.c,v retrieving revision 1.3 diff -u -d -r1.3 -r1.4 --- gstautodetect.c 14 Nov 2005 02:13:29 -0000 1.3 +++ gstautodetect.c 27 Oct 2008 08:54:29 -0000 1.4 @@ -25,7 +25,9 @@ #include "gstautodetect.h" #include "gstautoaudiosink.h" +#include "gstautoaudiosrc.h" #include "gstautovideosink.h" +#include "gstautovideosrc.h" GST_DEBUG_CATEGORY (autodetect_debug); @@ -37,12 +39,16 @@ return gst_element_register (plugin, "autovideosink", GST_RANK_NONE, GST_TYPE_AUTO_VIDEO_SINK) && + gst_element_register (plugin, "autovideosrc", + GST_RANK_NONE, GST_TYPE_AUTO_VIDEO_SRC) && gst_element_register (plugin, "autoaudiosink", - GST_RANK_NONE, GST_TYPE_AUTO_AUDIO_SINK); + GST_RANK_NONE, GST_TYPE_AUTO_AUDIO_SINK) && + gst_element_register (plugin, "autoaudiosrc", + GST_RANK_NONE, GST_TYPE_AUTO_AUDIO_SRC); GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, GST_VERSION_MINOR, "autodetect", - "Plugin contains auto-detection plugins for video/audio outputs", + "Plugin contains auto-detection plugins for video/audio in- and outputs", plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN) Index: gstautovideosink.c RCS file: /cvs/gstreamer/gst-plugins-good/gst/autodetect/gstautovideosink.c,v retrieving revision 1.22 retrieving revision 1.23 diff -u -d -r1.22 -r1.23 --- gstautovideosink.c 21 May 2008 17:39:37 -0000 1.22 +++ gstautovideosink.c 27 Oct 2008 08:54:29 -0000 1.23 * SECTION:element-autovideosink * @see_also: autoaudiosink, ximagesink, xvimagesink, sdlvideosink * autovideosink is a video sink that automatically detects an appropriate * video sink to use. It does so by scanning the registry for all elements * that have <quote>Sink</quote> and <quote>Video</quote> in the class field * gst-launch -v -m videotestsrc ! autovideosink @@ -72,7 +69,7 @@ "Sink/Video", "Wrapper video sink for automatically detected video sink", --- NEW FILE: gstautovideosrc.c --- * SECTION:element-autovideosrc * @see_also: autoaudiosrc, v4l2src, v4lsrc * autovideosrc is a video src that automatically detects an appropriate * video source to use. It does so by scanning the registry for all elements * that have <quote>Source</quote> and <quote>Video</quote> in the class field * gst-launch -v -m autovideosrc ! xvimagesink #include "gstautovideosrc.h" gst_auto_video_src_change_state (GstElement * element, static void gst_auto_video_src_dispose (GstAutoVideoSrc * src); static void gst_auto_video_src_clear_kid (GstAutoVideoSrc * src); static void gst_auto_video_src_set_property (GObject * object, guint prop_id, static void gst_auto_video_src_get_property (GObject * object, guint prop_id, GST_BOILERPLATE (GstAutoVideoSrc, gst_auto_video_src, GstBin, GST_TYPE_BIN); static const GstElementDetails gst_auto_video_src_details = GST_ELEMENT_DETAILS ("Auto video source", "Source/Video", "Wrapper video source for automatically detected video source", gst_auto_video_src_base_init (gpointer klass) gst_element_class_set_details (eklass, &gst_auto_video_src_details); gst_auto_video_src_class_init (GstAutoVideoSrcClass * klass) (GObjectFinalizeFunc) GST_DEBUG_FUNCPTR (gst_auto_video_src_dispose); eklass->change_state = GST_DEBUG_FUNCPTR (gst_auto_video_src_change_state); GST_DEBUG_FUNCPTR (gst_auto_video_src_set_property); GST_DEBUG_FUNCPTR (gst_auto_video_src_get_property); * GstAutoVideoSrc:filter-caps * This property will filter out candidate sources that can handle the specified * caps. By default only video sources that support raw rgb and yuv video * are selected. "Filter src candidates using these caps.", GST_TYPE_CAPS, gst_auto_video_src_dispose (GstAutoVideoSrc * src) gst_auto_video_src_clear_kid (src); if (src->filter_caps) gst_caps_unref (src->filter_caps); src->filter_caps = NULL; G_OBJECT_CLASS (parent_class)->dispose ((GObject *) src); gst_auto_video_src_clear_kid (GstAutoVideoSrc * src) if (src->kid) { gst_element_set_state (src->kid, GST_STATE_NULL); gst_bin_remove (GST_BIN (src), src->kid); src->kid = NULL; gst_auto_video_src_reset (GstAutoVideoSrc * src) /* Remove any existing element */ /* fakesrc placeholder */ GST_STATIC_CAPS ("video/x-raw-yuv; video/x-raw-rgb"); gst_auto_video_src_init (GstAutoVideoSrc * src, GstAutoVideoSrcClass * g_class) gst_auto_video_src_reset (src); /* set the default raw video caps */ gst_auto_video_src_factory_filter (GstPluginFeature * feature, gpointer data) /* video sources */ if (!(strstr (klass, "Source") && strstr (klass, "Video"))) gst_auto_video_src_compare_ranks (GstPluginFeature * f1, GstPluginFeature * f2) gst_auto_video_src_create_element_with_pretty_name (GstAutoVideoSrc * src, gst_auto_video_src_find_best (GstAutoVideoSrc * src) (GstPluginFeatureFilter) gst_auto_video_src_factory_filter, FALSE, src); list = g_list_sort (list, (GCompareFunc) gst_auto_video_src_compare_ranks); GST_LOG_OBJECT (src, "Trying to find usable video devices ..."); if ((el = gst_auto_video_src_create_element_with_pretty_name (src, f))) { /* If AutoVideoSrc has been provided with filter caps, ("Failed to find a usable video source")); choice = gst_element_factory_make ("fakesrc", "fake-video-src"); gst_auto_video_src_detect (GstAutoVideoSrc * src) if (!(esrc = gst_auto_video_src_find_best (src))) GST_DEBUG_OBJECT (src, "done changing auto video source"); ("Failed to find a supported video source")); GstAutoVideoSrc *src = GST_AUTO_VIDEO_SRC (element); if (!gst_auto_video_src_detect (src)) gst_auto_video_src_reset (src); gst_auto_video_src_set_property (GObject * object, guint prop_id, GstAutoVideoSrc *src = GST_AUTO_VIDEO_SRC (object); gst_auto_video_src_get_property (GObject * object, guint prop_id, --- NEW FILE: gstautovideosrc.h --- #ifndef __GST_AUTO_VIDEO_SRC_H__ #define __GST_AUTO_VIDEO_SRC_H__ #define GST_TYPE_AUTO_VIDEO_SRC \ (gst_auto_video_src_get_type ()) #define GST_AUTO_VIDEO_SRC(obj) \ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_AUTO_VIDEO_SRC, \ GstAutoVideoSrc)) #define GST_AUTO_VIDEO_SRC_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_AUTO_VIDEO_SRC, \ GstAutoVideoSrcClass)) #define GST_IS_AUTO_VIDEO_SRC(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_AUTO_VIDEO_SRC)) #define GST_IS_AUTO_VIDEO_SRC_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_AUTO_VIDEO_SRC)) typedef struct _GstAutoVideoSrc { } GstAutoVideoSrc; typedef struct _GstAutoVideoSrcClass { } GstAutoVideoSrcClass; GType gst_auto_video_src_get_type (void); #endif /* __GST_AUTO_VIDEO_SRC_H__ */ |