From 97383fdaeeb1fc4119f02d2840b2df453479dcfa Mon Sep 17 00:00:00 2001 From: David Schleef Date: Sat, 29 Nov 2003 05:30:56 +0000 Subject: [PATCH] remove old autoplug support Original commit message from CVS: remove old autoplug support --- gst/autoplug/autoplugtest.c | 123 ------ gst/autoplug/gstautoplugcache.c | 367 ------------------ gst/autoplug/gstautoplugger.c | 617 ------------------------------ gst/autoplug/gststaticautoplug.c | 655 -------------------------------- gst/autoplug/gststaticautoplug.h | 59 --- gst/autoplug/gststaticautoplugrender.c | 673 --------------------------------- gst/autoplug/gststaticautoplugrender.h | 59 --- gst/gstautoplug.c | 385 ------------------- gst/gstautoplug.h | 148 -------- 9 files changed, 3086 deletions(-) delete mode 100644 gst/autoplug/autoplugtest.c delete mode 100644 gst/autoplug/gstautoplugcache.c delete mode 100644 gst/autoplug/gstautoplugger.c delete mode 100644 gst/autoplug/gststaticautoplug.c delete mode 100644 gst/autoplug/gststaticautoplug.h delete mode 100644 gst/autoplug/gststaticautoplugrender.c delete mode 100644 gst/autoplug/gststaticautoplugrender.h delete mode 100644 gst/gstautoplug.c delete mode 100644 gst/gstautoplug.h diff --git a/gst/autoplug/autoplugtest.c b/gst/autoplug/autoplugtest.c deleted file mode 100644 index c269a72..0000000 --- a/gst/autoplug/autoplugtest.c +++ /dev/null @@ -1,123 +0,0 @@ -#include -#include -#include - -GstElement *pipeline, *src, *autobin, *cache, *typefind, *decoder, *sink; - -/* callback for when we have the type of the file - * we set up a playing pipeline based on the mime type - */ -void -have_type (GstElement *element, GstCaps *caps, GstCaps **private_caps) -{ - gchar *mime = g_strdup_printf (gst_caps_get_mime (caps)); - fprintf (stderr, "have caps, mime type is %s\n", mime); - - gst_element_set_state (pipeline, GST_STATE_PAUSED); - - /* unlink the typefind from the pipeline and remove it, - * since we now know what the type is */ - gst_element_unlink (cache, typefind); - gst_bin_remove (GST_BIN (autobin), typefind); - - gst_scheduler_show (GST_ELEMENT_SCHED (pipeline)); - - /* now based on the mime type set up the pipeline properly */ - if (strstr (mime, "mp3")) { - decoder = gst_element_factory_make ("mad", "decoder"); - } - else if (strstr (mime, "x-ogg")) { - decoder = gst_element_factory_make ("vorbisfile", "decoder"); - } - else if (strstr (mime, "x-wav")) { - decoder = gst_element_factory_make ("wavparse", "decoder"); - } - else if (strstr (mime, "x-flac")) { - decoder = gst_element_factory_make ("flacdec", "decoder"); - } - else { - g_print ("mime type %s not handled in this program, exiting.\n", mime); - g_free (mime); - exit (-1); - } - g_free (mime); - - /* handle playback */ - sink = gst_element_factory_make ("osssink", "sink"); - gst_bin_add (GST_BIN (autobin), decoder); - gst_bin_add (GST_BIN (autobin), sink); - gst_element_link (decoder, sink); - - g_object_set (G_OBJECT (cache), "reset", TRUE, NULL); - - gst_element_link (cache, decoder); - - gst_element_set_state (pipeline, GST_STATE_PLAYING); - fprintf (stderr, "done with have_type signal, playing\n"); -} - -void cache_empty (GstElement *element, gpointer private) { - fprintf(stderr,"have cache empty\n"); - - gst_element_set_state (pipeline, GST_STATE_PAUSED); - - gst_element_unlink_pads (src,"src",cache,"sink"); - gst_scheduler_show (GST_ELEMENT_SCHED(pipeline)); - gst_element_unlink_pads (cache,"src",decoder,"sink"); - gst_scheduler_show (GST_ELEMENT_SCHED(pipeline)); - gst_bin_remove (GST_BIN(autobin), cache); - gst_scheduler_show (GST_ELEMENT_SCHED(pipeline)); - gst_element_link_pads (src,"src",decoder,"sink"); - gst_scheduler_show (GST_ELEMENT_SCHED(pipeline)); - - gst_element_set_state (pipeline, GST_STATE_PLAYING); - gst_scheduler_show (GST_ELEMENT_SCHED(pipeline)); - - fprintf(stderr,"done with cache_empty\n"); -} - -int main (int argc,char *argv[]) { - GstCaps *caps; - - gst_init (&argc, &argv); - - pipeline = gst_pipeline_new ("pipeline"); - src = gst_element_factory_make ("filesrc","src"); - if (argc < 2) { - g_print ("Please give a file to test the autoplugger on.\n"); - return -1; - } - g_object_set (G_OBJECT (src), "location", argv[1], NULL); - gst_bin_add (GST_BIN (pipeline), src); - - /* the autobin will be used to do the autoplugging in */ - autobin = gst_bin_new ("autobin"); - - /* a cache is used to make autoplugging quicker */ - cache = gst_element_factory_make ("autoplugcache", "cache"); - g_signal_connect (G_OBJECT (cache), "cache_empty", - G_CALLBACK (cache_empty), NULL); - /* typefind does the type detection */ - typefind = gst_element_factory_make ("typefind", "typefind"); - - /* execute the callback when we find the type */ - g_signal_connect (G_OBJECT (typefind), "have_type", - G_CALLBACK (have_type), &caps); - gst_bin_add (GST_BIN (autobin), cache); - gst_bin_add (GST_BIN (autobin), typefind); - gst_element_link (cache, typefind); - gst_element_add_ghost_pad (autobin, - gst_element_get_pad (cache, "sink") ,"sink"); - - gst_bin_add (GST_BIN (pipeline), autobin); - gst_element_link (src, autobin); - - /* pipeline is now src ! autobin - * with autobin: cache ! typefind - */ - gst_element_set_state (pipeline, GST_STATE_PLAYING); - - while (gst_bin_iterate (GST_BIN (pipeline))); - - return 0; -} diff --git a/gst/autoplug/gstautoplugcache.c b/gst/autoplug/gstautoplugcache.c deleted file mode 100644 index 50a977e..0000000 --- a/gst/autoplug/gstautoplugcache.c +++ /dev/null @@ -1,367 +0,0 @@ -/* GStreamer - * Copyright (C) 2001 RidgeRun, Inc. (www.ridgerun.com) - * - * gstautoplugcache.c: Data cache for the dynamic autoplugger - * - * 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 - -GST_DEBUG_CATEGORY_STATIC(debug_category); -#define GST_CAT_DEFAULT debug_category - -GstElementDetails gst_autoplugcache_details = GST_ELEMENT_DETAILS ( - "AutoplugCache", - "Generic", - "Data cache for the dynamic autoplugger", - "Erik Walthinsen " -); - -#define GST_TYPE_AUTOPLUGCACHE \ - (gst_autoplugcache_get_type()) -#define GST_AUTOPLUGCACHE(obj) \ - (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUTOPLUGCACHE,GstAutoplugCache)) -#define GST_AUTOPLUGCACHE_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUTOPLUGCACHE,GstAutoplugCacheClass)) -#define GST_IS_AUTOPLUGCACHE(obj) \ - (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUTOPLUGCACHE)) -#define GST_IS_AUTOPLUGCACHE_CLASS(obj) \ - (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUTOPLUGCACHE)) - -typedef struct _GstAutoplugCache GstAutoplugCache; -typedef struct _GstAutoplugCacheClass GstAutoplugCacheClass; - -struct _GstAutoplugCache { - GstElement element; - - GstPad *sinkpad, *srcpad; - - gboolean caps_proxy; - - GList *cache; - GList *cache_start; - gint buffer_count; - GList *current_playout; - gboolean fire_empty; - gboolean fire_first; -}; - -struct _GstAutoplugCacheClass { - GstElementClass parent_class; - - void (*first_buffer) (GstElement *element, GstBuffer *buf); - void (*cache_empty) (GstElement *element); -}; - - -/* Cache signals and args */ -enum { - FIRST_BUFFER, - CACHE_EMPTY, - LAST_SIGNAL -}; - -enum { - ARG_0, - ARG_BUFFER_COUNT, - ARG_CAPS_PROXY, - ARG_RESET -}; - - -static void gst_autoplugcache_class_init (GstAutoplugCacheClass *klass); -static void gst_autoplugcache_init (GstAutoplugCache *cache); - -static void gst_autoplugcache_set_property (GObject *object, guint prop_id, - const GValue *value, GParamSpec *pspec); -static void gst_autoplugcache_get_property (GObject *object, guint prop_id, - GValue *value, GParamSpec *pspec); - -static void gst_autoplugcache_loop (GstElement *element); - -static GstElementStateReturn gst_autoplugcache_change_state (GstElement *element); - - -static GstElementClass *parent_class = NULL; -static guint gst_autoplugcache_signals[LAST_SIGNAL] = { 0 }; - -GType -gst_autoplugcache_get_type(void) { - static GType autoplugcache_type = 0; - - if (!autoplugcache_type) { - static const GTypeInfo autoplugcache_info = { - sizeof(GstAutoplugCacheClass), - NULL, - NULL, - (GClassInitFunc)gst_autoplugcache_class_init, - NULL, - NULL, - sizeof(GstAutoplugCache), - 0, - (GInstanceInitFunc)gst_autoplugcache_init, - }; - autoplugcache_type = g_type_register_static (GST_TYPE_ELEMENT, "GstAutoplugCache", &autoplugcache_info, 0); - } - return autoplugcache_type; -} - -static void -gst_autoplugcache_class_init (GstAutoplugCacheClass *klass) -{ - GObjectClass *gobject_class; - GstElementClass *gstelement_class; - - gobject_class = (GObjectClass*)klass; - gstelement_class = (GstElementClass*)klass; - - parent_class = g_type_class_ref (GST_TYPE_ELEMENT); - - g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_BUFFER_COUNT, - g_param_spec_int("buffer_count","buffer_count","buffer_count", - 0,G_MAXINT,0,G_PARAM_READABLE)); /* CHECKME! */ - g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_CAPS_PROXY, - g_param_spec_boolean("caps_proxy","caps_proxy","caps_proxy", - FALSE,G_PARAM_READWRITE)); /* CHECKME! */ - g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_RESET, - g_param_spec_boolean("reset","reset","reset", - FALSE,G_PARAM_WRITABLE)); /* CHECKME! */ - - gst_autoplugcache_signals[FIRST_BUFFER] = - g_signal_new ("first_buffer", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GstAutoplugCacheClass, first_buffer), NULL, NULL, - g_cclosure_marshal_VOID__POINTER, G_TYPE_NONE, 1, - G_TYPE_POINTER); - gst_autoplugcache_signals[CACHE_EMPTY] = - g_signal_new ("cache_empty", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GstAutoplugCacheClass, cache_empty), NULL, NULL, - g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); - - gobject_class->set_property = gst_autoplugcache_set_property; - gobject_class->get_property = gst_autoplugcache_get_property; - - gstelement_class->change_state = gst_autoplugcache_change_state; - gst_element_class_set_details (gstelement_class, &gst_autoplugcache_details); -} - -static void -gst_autoplugcache_init (GstAutoplugCache *cache) -{ - gst_element_set_loop_function(GST_ELEMENT(cache), GST_DEBUG_FUNCPTR(gst_autoplugcache_loop)); - - cache->sinkpad = gst_pad_new ("sink", GST_PAD_SINK); -/* gst_pad_set_negotiate_function (cache->sinkpad, gst_autoplugcache_nego_sink); */ - gst_element_add_pad (GST_ELEMENT(cache), cache->sinkpad); - - cache->srcpad = gst_pad_new ("src", GST_PAD_SRC); -/* gst_pad_set_negotiate_function (cache->srcpad, gst_autoplugcache_nego_src); */ - gst_element_add_pad (GST_ELEMENT(cache), cache->srcpad); - - cache->caps_proxy = FALSE; - - /* provide a zero basis for the cache */ - cache->cache = g_list_prepend(NULL, NULL); - cache->cache_start = cache->cache; - cache->buffer_count = 0; - cache->current_playout = 0; - cache->fire_empty = FALSE; - cache->fire_first = FALSE; -} - -static void -gst_autoplugcache_loop (GstElement *element) -{ - GstAutoplugCache *cache; - GstBuffer *buf = NULL; - - cache = GST_AUTOPLUGCACHE (element); - - /* Theory: - * The cache is a doubly-linked list. The front of the list is the most recent - * buffer, the end of the list is the first buffer. The playout pointer always - * points to the latest buffer sent out the end. cache points to the front - * (most reccent) of the list at all times. cache_start points to the first - * buffer, i.e. the end of the list. - * If the playout pointer does not have a prev (towards the most recent) buffer - * (== NULL), a buffer must be pulled from the sink pad and added to the cache. - * When the playout pointer gets reset (as in a set_property), the cache is walked - * without problems, because the playout pointer has a non-NULL next. When - * the playout pointer hits the end of cache again it has to start pulling. - */ - - /* the first time through, the current_playout pointer is going to be NULL */ - if (cache->current_playout == NULL) { - /* get a buffer */ - buf = GST_BUFFER (gst_pad_pull (cache->sinkpad)); - if (GST_IS_EVENT (buf)) { - gst_pad_event_default (cache->sinkpad, GST_EVENT (buf)); - return; - } - - /* add it to the cache, though cache == NULL */ - gst_buffer_ref (buf); - cache->cache = g_list_prepend (cache->cache, buf); - cache->buffer_count++; - - /* set the current_playout pointer */ - cache->current_playout = cache->cache; - - g_signal_emit (G_OBJECT(cache), gst_autoplugcache_signals[FIRST_BUFFER], 0, buf); - - /* send the buffer on its way */ - gst_pad_push (cache->srcpad, GST_DATA (buf)); - } - /* the steady state is where the playout is at the front of the cache */ - else if (g_list_previous(cache->current_playout) == NULL) { - - /* if we've been told to fire an empty signal (after a reset) */ - if (cache->fire_empty) { - int oldstate = GST_STATE(cache); - GST_DEBUG ("at front of cache, about to pull, but firing signal"); - gst_object_ref (GST_OBJECT (cache)); - g_signal_emit (G_OBJECT(cache), gst_autoplugcache_signals[CACHE_EMPTY], 0, NULL); - if (GST_STATE(cache) != oldstate) { - gst_object_unref (GST_OBJECT (cache)); - GST_DEBUG ("state changed during signal, aborting"); - return; - } - gst_object_unref (GST_OBJECT (cache)); - } - - /* get a buffer */ - buf = GST_BUFFER (gst_pad_pull (cache->sinkpad)); - if (GST_IS_EVENT (buf)) { - gst_pad_event_default (cache->sinkpad, GST_EVENT (buf)); - return; - } - - /* add it to the front of the cache */ - gst_buffer_ref (buf); - cache->cache = g_list_prepend (cache->cache, buf); - cache->buffer_count++; - - /* set the current_playout pointer */ - cache->current_playout = cache->cache; - - /* send the buffer on its way */ - gst_pad_push (cache->srcpad, GST_DATA (buf)); - } - - /* otherwise we're trundling through existing cached buffers */ - else { - /* move the current_playout pointer */ - cache->current_playout = g_list_previous (cache->current_playout); - - if (cache->fire_first) { - g_signal_emit (G_OBJECT(cache), gst_autoplugcache_signals[FIRST_BUFFER], 0, buf); - cache->fire_first = FALSE; - } - - /* push that buffer */ - gst_pad_push (cache->srcpad, GST_DATA (GST_BUFFER(cache->current_playout->data))); - } -} - -static GstElementStateReturn -gst_autoplugcache_change_state (GstElement *element) -{ - /* FIXME this should do something like free the cache on ->NULL */ - if (GST_ELEMENT_CLASS (parent_class)->change_state) - return GST_ELEMENT_CLASS (parent_class)->change_state (element); - - return GST_STATE_SUCCESS; -} - -static void -gst_autoplugcache_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) -{ - GstAutoplugCache *cache; - - cache = GST_AUTOPLUGCACHE (object); - - switch (prop_id) { - case ARG_CAPS_PROXY: - cache->caps_proxy = g_value_get_boolean (value); -GST_DEBUG ("caps_proxy is %d",cache->caps_proxy); - if (cache->caps_proxy) { - } else { - } - break; - case ARG_RESET: - /* no idea why anyone would set this to FALSE, but just in case ;-) */ - if (g_value_get_boolean (value)) { - GST_DEBUG ("resetting playout pointer"); - /* reset the playout pointer to the begining again */ - cache->current_playout = cache->cache_start; - /* now we can fire a signal when the cache runs dry */ - cache->fire_empty = TRUE; - /* also set it up to fire the first_buffer signal again */ - cache->fire_first = TRUE; - } - break; - default: - break; - } -} - -static void -gst_autoplugcache_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) -{ - GstAutoplugCache *cache; - - cache = GST_AUTOPLUGCACHE (object); - - switch (prop_id) { - case ARG_BUFFER_COUNT: - g_value_set_int (value, cache->buffer_count); - break; - case ARG_CAPS_PROXY: - g_value_set_boolean (value, cache->caps_proxy); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static gboolean -plugin_init (GstPlugin *plugin) -{ - GST_DEBUG_CATEGORY_INIT (debug_category, "AUTOPLUGCACHE", 0, "autoplugcache element"); - - if (!gst_element_register (plugin, "autoplugcache", GST_RANK_NONE, GST_TYPE_AUTOPLUGCACHE)) - return FALSE; - - return TRUE; -} - -GST_PLUGIN_DEFINE ( - GST_VERSION_MAJOR, - GST_VERSION_MINOR, - "autoplugcache", - "an autoplug cache", - plugin_init, - VERSION, - GST_LICENSE, - GST_COPYRIGHT, - GST_PACKAGE, - GST_ORIGIN -) diff --git a/gst/autoplug/gstautoplugger.c b/gst/autoplug/gstautoplugger.c deleted file mode 100644 index 4f76f05..0000000 --- a/gst/autoplug/gstautoplugger.c +++ /dev/null @@ -1,617 +0,0 @@ -/* GStreamer - * Copyright (C) 2001 RidgeRun, Inc. (www.ridgerun.com) - * - * gstautoplugger.c: Data for the dynamic autopluggerger - * - * 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 - -GstElementDetails gst_autoplugger_details = GST_ELEMENT_DETAILS ( - "Dynamic autoplugger", - "Generic", - "Magic element that converts from any type to any other", - "Erik Walthinsen " -); - -#define GST_TYPE_AUTOPLUGGER \ - (gst_autoplugger_get_type()) -#define GST_AUTOPLUGGER(obj) \ - (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUTOPLUGGER,GstAutoplugger)) -#define GST_AUTOPLUGGER_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUTOPLUGGER,GstAutopluggerClass)) -#define GST_IS_AUTOPLUGGER(obj) \ - (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUTOPLUGGER)) -#define GST_IS_AUTOPLUGGER_CLASS(obj) \ - (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUTOPLUGGER)) - -typedef struct _GstAutoplugger GstAutoplugger; -typedef struct _GstAutopluggerClass GstAutopluggerClass; - -struct _GstAutoplugger { - GstBin bin; - gint paused; - - GstElement *cache; - gboolean cache_first_buffer; - GstPad *cache_sinkpad, *cache_srcpad; - - GstElement *typefind; - GstPad *typefind_sinkpad; - - GstPad *sinkpadpeer, *srcpadpeer; - GstCaps *sinkcaps, *srccaps; - - GstCaps *sinktemplatecaps; - - GstAutoplug *autoplug; - GstElement *autobin; - - gboolean disable_nocaps; -}; - -struct _GstAutopluggerClass { - GstBinClass parent_class; -}; - - -/* signals and args */ -enum { - LAST_SIGNAL -}; - -enum { - ARG_0, -}; - - -static void gst_autoplugger_class_init (GstAutopluggerClass *klass); -static void gst_autoplugger_init (GstAutoplugger *queue); - -static void gst_autoplugger_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec); -static void gst_autoplugger_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec); - -/*static GstElementStateReturn gst_autoplugger_change_state (GstElement *element);*/ - - -/* -static void gst_autoplugger_external_sink_caps_changed (GstPad *pad, GstCaps *caps, GstAutoplugger *autoplugger); -static void gst_autoplugger_external_src_caps_changed (GstPad *pad, GstCaps *caps, GstAutoplugger *autoplugger); -*/ -static void gst_autoplugger_external_sink_caps_nego_failed (GstPad *pad, gboolean *result, GstAutoplugger *autoplugger); -static void gst_autoplugger_external_src_caps_nego_failed (GstPad *pad, gboolean *result, GstAutoplugger *autoplugger); -/* defined but not used -static void gst_autoplugger_external_sink_linked (GstPad *pad, GstPad *peerpad, GstAutoplugger *autoplugger); -static void gst_autoplugger_external_src_linked (GstPad *pad, GstPad *peerpad, GstAutoplugger *autoplugger); -*/ -static void gst_autoplugger_cache_first_buffer (GstElement *element,GstBuffer *buf,GstAutoplugger *autoplugger); -static void gst_autoplugger_cache_empty (GstElement *element, GstAutoplugger *autoplugger); -static void gst_autoplugger_type_find_have_type (GstElement *element, GstCaps *caps, GstAutoplugger *autoplugger); - -static GstElementClass *parent_class = NULL; -/*static guint gst_autoplugger_signals[LAST_SIGNAL] = { 0 };*/ - -GType -gst_autoplugger_get_type(void) { - static GType autoplugger_type = 0; - - if (!autoplugger_type) { - static const GTypeInfo autoplugger_info = { - sizeof(GstAutopluggerClass), - NULL, - NULL, - (GClassInitFunc)gst_autoplugger_class_init, - NULL, - NULL, - sizeof(GstAutoplugger), - 0, - (GInstanceInitFunc)gst_autoplugger_init, - }; - autoplugger_type = g_type_register_static (GST_TYPE_BIN, "GstAutoplugger", &autoplugger_info, 0); - } - return autoplugger_type; -} - -static void -gst_autoplugger_class_init (GstAutopluggerClass *klass) -{ - GObjectClass *gobject_class; - GstElementClass *gstelement_class; - - gobject_class = (GObjectClass*)klass; - gstelement_class = (GstElementClass*)klass; - - parent_class = g_type_class_ref (GST_TYPE_ELEMENT); - -/* - gst_autoplugger_signals[_EMPTY] = - g_signal_new ("_empty", G_OBJECT_TYPE(gobject_class), G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GstAutopluggerClass, _empty), NULL, NULL, - g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); -*/ - -/* - g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_BUFFER_COUNT, - g_param_spec_int("buffer_count","buffer_count","buffer_count", - 0,G_MAXINT,0,G_PARAM_READABLE)); * CHECKME! * - g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_RESET, - g_param_spec_boolean("reset","reset","reset", - FALSE,G_PARAM_WRITABLE)); * CHECKME! * -*/ - - gobject_class->set_property = gst_autoplugger_set_property; - gobject_class->get_property = gst_autoplugger_get_property; - -/* gstelement_class->change_state = gst_autoplugger_change_state; */ - gst_element_class_set_details (gstelement_class, &gst_autoplugger_details); -} - -static void -gst_autoplugger_init (GstAutoplugger *autoplugger) -{ - /* create the autoplugger cache, which is the fundamental unit of the autopluggerger */ - /* FIXME we need to find a way to set element's name before _init */ - /* FIXME ... so we can name the subelements uniquely */ - autoplugger->cache = gst_element_factory_make("autoplugcache", "unnamed_autoplugcache"); - g_return_if_fail (autoplugger->cache != NULL); - - GST_DEBUG ("turning on caps nego proxying in cache"); - g_object_set(G_OBJECT(autoplugger->cache),"caps_proxy",TRUE,NULL); - - /* attach signals to the cache */ - g_signal_connect (G_OBJECT (autoplugger->cache), "first_buffer", - G_CALLBACK (gst_autoplugger_cache_first_buffer), autoplugger); - - /* add the cache to self */ - gst_bin_add (GST_BIN(autoplugger), autoplugger->cache); - - /* get the cache's pads so we can attach stuff to them */ - autoplugger->cache_sinkpad = gst_element_get_pad (autoplugger->cache, "sink"); - autoplugger->cache_srcpad = gst_element_get_pad (autoplugger->cache, "src"); - - /* attach handlers to the typefind pads */ - /* FIXME "caps_changed" no longer exists - g_signal_connect (G_OBJECT (autoplugger->cache_sinkpad), "caps_changed", - G_CALLBACK (gst_autoplugger_external_sink_caps_changed), autoplugger); - g_signal_connect (G_OBJECT (autoplugger->cache_srcpad), "caps_changed", - G_CALLBACK (gst_autoplugger_external_src_caps_changed), autoplugger); - */ - g_signal_connect (G_OBJECT (autoplugger->cache_sinkpad), "caps_nego_failed", - G_CALLBACK (gst_autoplugger_external_sink_caps_nego_failed), autoplugger); - g_signal_connect (G_OBJECT (autoplugger->cache_srcpad), "caps_nego_failed", - G_CALLBACK (gst_autoplugger_external_src_caps_nego_failed), autoplugger); -/* g_signal_connect (G_OBJECT (autoplugger->cache_sinkpad), "linked", */ -/* gst_autoplugger_external_sink_linked, autoplugger);*/ -/* g_signal_connect (G_OBJECT (autoplugger->cache_srcpad), "linked", */ -/* gst_autoplugger_external_src_linked, autoplugger); */ - - /* ghost both of these pads to the outside world */ - gst_element_add_ghost_pad (GST_ELEMENT(autoplugger), autoplugger->cache_sinkpad, "sink"); - gst_element_add_ghost_pad (GST_ELEMENT(autoplugger), autoplugger->cache_srcpad, "src"); -} - -/* defined but not used -G_GNUC_UNUSED static void -gst_autoplugger_external_sink_linked(GstPad *pad, GstPad *peerpad, GstAutoplugger *autoplugger) -{ - GstPadTemplate *peertemplate; - GstCaps *peercaps, *peertemplatecaps; - - GST_INFO ("have cache:sink linked");*/ -/* autoplugger->sinkpadpeer = peerpad; */ -/* - if (autoplugger->sinkpadpeer) { - peercaps = GST_PAD_CAPS(autoplugger->sinkpadpeer); - if (peercaps) - GST_INFO ("there are some caps on this pad's peer: %s", - gst_caps_get_mime(peercaps)); - peertemplate = GST_PAD_PAD_TEMPLATE(autoplugger->sinkpadpeer); - if (peertemplate) { - peertemplatecaps = GST_PAD_TEMPLATE_CAPS(peertemplate); - if (peertemplatecaps) { - GST_INFO ("there are some caps on this pad's peer's padtemplate %s", - gst_caps_get_mime(peertemplatecaps)); - } - } - } -} - -G_GNUC_UNUSED static void -gst_autoplugger_external_src_linked(GstPad *pad, GstPad *peerpad, GstAutoplugger *autoplugger) -{ - GstPadTemplate *peertemplate; - GstCaps *peercaps, *peertemplatecaps; - - GST_INFO ("have cache:src linked");*/ -/* autoplugger->srcpadpeer = peerpad; */ -/* - if (autoplugger->srcpadpeer) { - peercaps = GST_PAD_CAPS(autoplugger->srcpadpeer); - if (peercaps) - GST_INFO ("there are some caps on this pad's peer: %s", - gst_caps_get_mime(peercaps)); - peertemplate = GST_PAD_PAD_TEMPLATE(autoplugger->srcpadpeer); - if (peertemplate) { - peertemplatecaps = GST_PAD_TEMPLATE_CAPS(peertemplate); - if (peertemplatecaps) { - GST_INFO ("there are some caps on this pad's peer's padtemplate %s", - gst_caps_get_mime(peertemplatecaps)); - autoplugger->sinktemplatecaps = peertemplatecaps;*/ -/* GST_DEBUG ("turning on caps nego proxying in cache"); */ -/* gtk_object_set(G_OBJECT(autoplugger->cache),"caps_proxy",TRUE,NULL);*/ -/* } - } - } -}*/ - - -/* -static void -gst_autoplugger_external_sink_caps_changed(GstPad *pad, GstCaps *caps, GstAutoplugger *autoplugger) -{ - GST_INFO ("have cache:sink caps of %s\n",gst_caps_get_mime(caps)); - autoplugger->sinkcaps = caps; -} - -static void -gst_autoplugger_external_src_caps_changed(GstPad *pad, GstCaps *caps, GstAutoplugger *autoplugger) -{ - GST_INFO ("have cache:src caps of %s\n",gst_caps_get_mime(caps)); - autoplugger->srccaps = caps; -} -*/ - - -static gboolean -gst_autoplugger_autoplug(GstAutoplugger *autoplugger,GstPad *srcpad,GstCaps *srccaps,GstCaps *sinkcaps) -{ - GstPad *sinkpad; - - sinkpad = GST_PAD(GST_PAD_PEER(srcpad)); - GST_DEBUG ("unlinking %s:%s and %s:%s to autoplug between them", - GST_DEBUG_PAD_NAME(srcpad),GST_DEBUG_PAD_NAME(sinkpad)); - GST_DEBUG ("srcpadcaps are of type %s",gst_caps_get_mime(srccaps)); - GST_DEBUG ("sinkpadcaps are of type %s",gst_caps_get_mime(sinkcaps)); - - /* unlink the pads */ - GST_DEBUG ("unlinking the pads that will be joined by an autobin"); - gst_pad_unlink(srcpad,sinkpad); - - if (!autoplugger->autoplug) { - autoplugger->autoplug = gst_autoplug_factory_make("static"); - g_return_val_if_fail(autoplugger->autoplug != NULL, FALSE); - } - GST_DEBUG ("building autoplugged bin between caps"); - autoplugger->autobin = gst_autoplug_to_caps(autoplugger->autoplug, - srccaps,sinkcaps,NULL); - g_return_val_if_fail(autoplugger->autobin != NULL, FALSE); - gst_bin_add(GST_BIN(autoplugger),autoplugger->autobin); - -gst_scheduler_show(GST_ELEMENT_SCHED(autoplugger)); - - /* FIXME this is a hack */ -/* GST_DEBUG ("copying failed caps to srcpad %s:%s to ensure renego",GST_DEBUG_PAD_NAME(autoplugger->cache_srcpad)); */ -/* gst_pad_set_caps(srcpad,srccaps); */ - - if (GST_PAD_CAPS(srcpad) == NULL) GST_DEBUG ("no caps on cache:src!"); - - /* attach the autoplugged bin */ - GST_DEBUG ("attaching the autoplugged bin between the two pads"); - gst_pad_link(srcpad,gst_element_get_pad(autoplugger->autobin,"sink")); -gst_scheduler_show(GST_ELEMENT_SCHED(autoplugger)); - gst_pad_link(gst_element_get_pad(autoplugger->autobin,"src_00"),sinkpad); -gst_scheduler_show(GST_ELEMENT_SCHED(autoplugger)); - - /* FIXME try to force the renego */ -/* GST_DEBUG ("trying to force everyone to nego"); */ -/* gst_pad_renegotiate(gst_element_get_pad(autoplugger->autobin,"sink")); */ -/* gst_pad_renegotiate(sinkpad); */ - - return TRUE; -} - -static void -gst_autoplugger_external_sink_caps_nego_failed(GstPad *pad, gboolean *result, GstAutoplugger *autoplugger) -{ - GstPad *srcpad_peer; - GstPadTemplate *srcpad_peer_template; - GstCaps *srcpad_peer_caps; - GstPad *sinkpad_peer; - GstCaps *sinkpad_peer_caps; - - GST_INFO ("have caps nego failure on sinkpad %s:%s!!!",GST_DEBUG_PAD_NAME(pad)); - - autoplugger->paused++; - if (autoplugger->paused == 1) - /* try to PAUSE the whole thing */ - gst_element_set_state(GST_ELEMENT_SCHED(autoplugger)->parent,GST_STATE_PAUSED); - - srcpad_peer = GST_PAD(GST_PAD_PEER(autoplugger->cache_srcpad)); - g_return_if_fail(srcpad_peer != NULL); - srcpad_peer_template = GST_PAD_PAD_TEMPLATE(srcpad_peer); - g_return_if_fail(srcpad_peer_template != NULL); - srcpad_peer_caps = GST_PAD_TEMPLATE_CAPS(srcpad_peer_template); - g_return_if_fail(srcpad_peer_caps != NULL); - - sinkpad_peer = GST_PAD(GST_PAD_PEER(pad)); - g_return_if_fail(sinkpad_peer != NULL); - sinkpad_peer_caps = GST_PAD_CAPS(sinkpad_peer); - g_return_if_fail(sinkpad_peer_caps != NULL); - - if (gst_autoplugger_autoplug(autoplugger,autoplugger->cache_srcpad,sinkpad_peer_caps,srcpad_peer_caps)) - *result = TRUE; - - autoplugger->paused--; - if (autoplugger->paused == 0) - /* try to PLAY the whole thing */ - gst_element_set_state(GST_ELEMENT_SCHED(autoplugger)->parent,GST_STATE_PLAYING); - - GST_INFO ("done dealing with caps nego failure on sinkpad %s:%s",GST_DEBUG_PAD_NAME(pad)); -} - -static void -gst_autoplugger_external_src_caps_nego_failed(GstPad *pad, gboolean *result, GstAutoplugger *autoplugger) -{ - GstCaps *srcpad_caps; - GstPad *srcpad_peer; - GstPadTemplate *srcpad_peer_template; - GstCaps *srcpad_peer_caps; - - GST_INFO ("have caps nego failure on srcpad %s:%s!!!",GST_DEBUG_PAD_NAME(pad)); - - autoplugger->paused++; - if (autoplugger->paused == 1) - /* try to PAUSE the whole thing */ - gst_element_set_state(GST_ELEMENT_SCHED(autoplugger)->parent,GST_STATE_PAUSED); - - srcpad_caps = GST_PAD_CAPS(autoplugger->cache_srcpad); - - srcpad_peer = GST_PAD(GST_PAD_PEER(autoplugger->cache_srcpad)); - g_return_if_fail(srcpad_peer != NULL); - srcpad_peer_template = GST_PAD_PAD_TEMPLATE(srcpad_peer); - g_return_if_fail(srcpad_peer_template != NULL); - srcpad_peer_caps = GST_PAD_TEMPLATE_CAPS(srcpad_peer_template); - g_return_if_fail(srcpad_peer_caps != NULL); - - if (gst_autoplugger_autoplug(autoplugger,autoplugger->cache_srcpad,srcpad_caps,srcpad_peer_caps)) - *result = TRUE; - - autoplugger->paused--; - if (autoplugger->paused == 0) - /* try to PLAY the whole thing */ - gst_element_set_state(GST_ELEMENT_SCHED(autoplugger)->parent,GST_STATE_PLAYING); - - autoplugger->disable_nocaps = TRUE; - - GST_INFO ("done dealing with caps nego failure on srcpad %s:%s",GST_DEBUG_PAD_NAME(pad)); -} - - -static void -gst_autoplugger_cache_empty(GstElement *element, GstAutoplugger *autoplugger) -{ - GstPad *cache_sinkpad_peer,*cache_srcpad_peer; - - GST_INFO ("autoplugger cache has hit empty, we can now remove it"); - - autoplugger->paused++; - if (autoplugger->paused == 1) - /* try to PAUSE the whole thing */ - gst_element_set_state(GST_ELEMENT_SCHED(autoplugger)->parent,GST_STATE_PAUSED); - - /* unlink the cache from its peers */ - GST_DEBUG ("unlinking autoplugcache from its peers"); - cache_sinkpad_peer = GST_PAD (GST_PAD_PEER(autoplugger->cache_sinkpad)); - cache_srcpad_peer = GST_PAD (GST_PAD_PEER(autoplugger->cache_srcpad)); - gst_pad_unlink(cache_sinkpad_peer,autoplugger->cache_sinkpad); - gst_pad_unlink(autoplugger->cache_srcpad,cache_srcpad_peer); - - /* remove the cache from self */ - GST_DEBUG ("removing the cache from the autoplugger"); - gst_bin_remove (GST_BIN(autoplugger), autoplugger->cache); - - /* link the two pads */ - GST_DEBUG ("relinking the autoplugcache's former peers"); - gst_pad_link(cache_sinkpad_peer,cache_srcpad_peer); - - autoplugger->paused--; - if (autoplugger->paused == 0) - /* try to PLAY the whole thing */ - gst_element_set_state(GST_ELEMENT_SCHED(autoplugger)->parent,GST_STATE_PLAYING); - -/* xmlSaveFile("autoplugger.gst", gst_xml_write(GST_ELEMENT_SCHED(autoplugger)->parent)); */ - - GST_INFO ("autoplugger_cache_empty finished"); -} - -static void -gst_autoplugger_type_find_have_type(GstElement *element, GstCaps *caps, GstAutoplugger *autoplugger) -{ - GST_INFO ("typefind claims to have a type: %s",gst_caps_get_mime(caps)); - -gst_scheduler_show(GST_ELEMENT_SCHED(autoplugger)); - - autoplugger->paused++; - if (autoplugger->paused == 1) - /* try to PAUSE the whole thing */ - gst_element_set_state(GST_ELEMENT_SCHED(autoplugger)->parent,GST_STATE_PAUSED); - - /* first unlink the typefind and shut it down */ - GST_DEBUG ("unlinking typefind from the cache"); - gst_pad_unlink(autoplugger->cache_srcpad,autoplugger->typefind_sinkpad); - gst_bin_remove(GST_BIN(autoplugger),autoplugger->typefind); - - /* FIXME FIXME now we'd compare caps and see if we need to autoplug something in the middle, but for */ - /* now we're going to just relink where we left off */ - /* FIXME FIXME FIXME!!!: this should really be done in the caps failure!!! */ -/* - if (!autoplugger->autoplug) { - autoplugger->autoplug = gst_autoplug_factory_make("static"); - } - autoplugger->autobin = gst_autoplug_to_caps(autoplugger->autoplug, - caps,autoplugger->sinktemplatecaps,NULL); - g_return_if_fail(autoplugger->autobin != NULL); - gst_bin_add(GST_BIN(autoplugger),autoplugger->autobin); - -* * re-attach the srcpad's original peer to the cache * -* GST_DEBUG ("relinking the cache to the downstream peer"); * -* gst_pad_link(autoplugger->cache_srcpad,autoplugger->srcpadpeer); * - - * attach the autoplugged bin * - GST_DEBUG ("attaching the autoplugged bin between cache and downstream peer"); - gst_pad_link(autoplugger->cache_srcpad,gst_element_get_pad(autoplugger->autobin,"sink")); - gst_pad_link(gst_element_get_pad(autoplugger->autobin,"src_00"),autoplugger->srcpadpeer); -*/ - - /* FIXME set the caps on the new link - * GST_DEBUG ("forcing caps on the typefound pad"); - * gst_pad_set_caps(autoplugger->cache_srcpad,caps); - * reattach the original outside srcpad - */ - GST_DEBUG ("re-attaching downstream peer to autoplugcache"); - gst_pad_link(autoplugger->cache_srcpad,autoplugger->srcpadpeer); - - /* now reset the autoplugcache */ - GST_DEBUG ("resetting the cache to send first buffer(s) again"); - g_object_set(G_OBJECT(autoplugger->cache),"reset",TRUE,NULL); - - /* attach the cache_empty handler */ - /* FIXME this is the wrong place, it shouldn't be done until we get successful caps nego! */ - g_signal_connect (G_OBJECT(autoplugger->cache),"cache_empty", - G_CALLBACK (gst_autoplugger_cache_empty), autoplugger); - - autoplugger->paused--; - if (autoplugger->paused == 0) - /* try to PLAY the whole thing */ - gst_element_set_state(GST_ELEMENT_SCHED(autoplugger)->parent,GST_STATE_PLAYING); - - GST_INFO ("typefind_have_type finished"); -gst_scheduler_show(GST_ELEMENT_SCHED(autoplugger)); -} - -static void -gst_autoplugger_cache_first_buffer(GstElement *element,GstBuffer *buf,GstAutoplugger *autoplugger) -{ - GST_INFO ("have first buffer through cache"); - autoplugger->cache_first_buffer = TRUE; - - /* if there are no established caps, worry */ - if (!autoplugger->sinkcaps) { - GST_INFO ("have no caps for the buffer, Danger Will Robinson!"); - -if (autoplugger->disable_nocaps) { - GST_DEBUG ("not dealing with lack of caps this time"); - return; -} - -gst_scheduler_show(GST_ELEMENT_SCHED(autoplugger)); - - autoplugger->paused++; - if (autoplugger->paused == 1) - /* try to PAUSE the whole thing */ - gst_element_set_state(GST_ELEMENT_SCHED(autoplugger)->parent,GST_STATE_PAUSED); - - /* detach the srcpad */ - GST_DEBUG ("unlinking cache from its downstream peer"); - autoplugger->srcpadpeer = GST_PAD(GST_PAD_PEER(autoplugger->cache_srcpad)); - gst_pad_unlink(autoplugger->cache_srcpad,autoplugger->srcpadpeer); - - /* instantiate the typefind and set up the signal handlers */ - if (!autoplugger->typefind) { - GST_DEBUG ("creating typefind and setting signal handler"); - autoplugger->typefind = gst_element_factory_make("typefind","unnamed_type_find"); - autoplugger->typefind_sinkpad = gst_element_get_pad(autoplugger->typefind,"sink"); - g_signal_connect (G_OBJECT(autoplugger->typefind),"have_type", - G_CALLBACK (gst_autoplugger_type_find_have_type), autoplugger); - } - /* add it to self and attach it */ - GST_DEBUG ("adding typefind to self and linking to cache"); - gst_bin_add(GST_BIN(autoplugger),autoplugger->typefind); - gst_pad_link(autoplugger->cache_srcpad,autoplugger->typefind_sinkpad); - - /* bring the typefind into playing state */ - GST_DEBUG ("setting typefind state to PLAYING"); - gst_element_set_state(autoplugger->cache,GST_STATE_PLAYING); - - autoplugger->paused--; - if (autoplugger->paused == 0) - /* try to PLAY the whole thing */ - gst_element_set_state(GST_ELEMENT_SCHED(autoplugger)->parent,GST_STATE_PLAYING); - - GST_INFO ("here we go into nothingness, hoping the typefind will return us to safety"); -gst_scheduler_show(GST_ELEMENT_SCHED(autoplugger)); - } else { -/* * attach the cache_empty handler, since the cache simply isn't needed * - * g_signal_connect (G_OBJECT(autoplugger->cache),"cache_empty", - * gst_autoplugger_cache_empty,autoplugger); - */ - } -} - -static void -gst_autoplugger_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) -{ - GstAutoplugger *autoplugger; - - autoplugger = GST_AUTOPLUGGER (object); - - switch (prop_id) { - default: - break; - } -} - -static void -gst_autoplugger_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) -{ - GstAutoplugger *autoplugger; - - autoplugger = GST_AUTOPLUGGER (object); - - switch (prop_id) { - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static gboolean -plugin_init (GstPlugin *plugin) -{ - if (!gst_element_register (plugin, "autoplugger", GST_RANK_NONE, GST_TYPE_AUTOPLUGGER)) - return FALSE; - - return TRUE; -} - -GST_PLUGIN_DEFINE ( - GST_VERSION_MAJOR, - GST_VERSION_MINOR, - "autoplugger", - "magic element that converts from any type tom any other", - plugin_init, - VERSION, - GST_LICENSE, - GST_COPYRIGHT, - GST_PACKAGE, - GST_ORIGIN -) - diff --git a/gst/autoplug/gststaticautoplug.c b/gst/autoplug/gststaticautoplug.c deleted file mode 100644 index 0b2dcb1..0000000 --- a/gst/autoplug/gststaticautoplug.c +++ /dev/null @@ -1,655 +0,0 @@ -/* GStreamer - * Copyright (C) 1999,2000 Erik Walthinsen - * 2000 Wim Taymans - * - * gststaticautoplug.c: A static Autoplugger of pipelines - * - * 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 "gststaticautoplug.h" - -#include - -#define GST_AUTOPLUG_MAX_COST 999999 - -GST_DEBUG_CATEGORY_STATIC(debug_category); -#define GST_CAT_DEFAULT debug_category - -typedef guint (*GstAutoplugCostFunction) (gpointer src, gpointer dest, gpointer data); -typedef const GList* (*GstAutoplugListFunction) (gpointer data); - - -static void gst_static_autoplug_class_init (GstStaticAutoplugClass *klass); -static void gst_static_autoplug_init (GstStaticAutoplug *autoplug); - -static GList* gst_autoplug_func (gpointer src, gpointer sink, - GstAutoplugListFunction list_function, - GstAutoplugCostFunction cost_function, - gpointer data); - - - -static GstElement* gst_static_autoplug_to_caps (GstAutoplug *autoplug, - GstCaps *srccaps, GstCaps *sinkcaps, va_list args); - -static GstAutoplugClass *parent_class = NULL; - -GType gst_static_autoplug_get_type(void) -{ - static GType static_autoplug_type = 0; - - if (!static_autoplug_type) { - static const GTypeInfo static_autoplug_info = { - sizeof(GstElementClass), - NULL, - NULL, - (GClassInitFunc)gst_static_autoplug_class_init, - NULL, - NULL, - sizeof(GstElement), - 0, - (GInstanceInitFunc)gst_static_autoplug_init, - }; - static_autoplug_type = g_type_register_static (GST_TYPE_AUTOPLUG, "GstStaticAutoplug", &static_autoplug_info, 0); - } - return static_autoplug_type; -} - -static void -gst_static_autoplug_class_init(GstStaticAutoplugClass *klass) -{ - GstAutoplugClass *gstautoplug_class; - - gstautoplug_class = (GstAutoplugClass*) klass; - - parent_class = g_type_class_ref(GST_TYPE_AUTOPLUG); - - gstautoplug_class->autoplug_to_caps = gst_static_autoplug_to_caps; -} - -static void gst_static_autoplug_init(GstStaticAutoplug *autoplug) { -} - -static gboolean -plugin_init (GstPlugin *plugin) -{ - GstAutoplugFactory *factory; - - GST_DEBUG_CATEGORY_INIT (debug_category, "STATIC_AUTOPLUG", 0, "static autoplugger element"); - - factory = gst_autoplug_factory_new ("static", - "A static autoplugger, it constructs the complete element before running it", - gst_static_autoplug_get_type ()); - - if (factory != NULL) { - gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory)); - } - return TRUE; -} - -GST_PLUGIN_DEFINE ( - GST_VERSION_MAJOR, - GST_VERSION_MINOR, - "gststaticautoplug", - "a static autoplugger", - plugin_init, - VERSION, - GST_LICENSE, - GST_COPYRIGHT, - GST_PACKAGE, - GST_ORIGIN -) - -static gboolean -gst_autoplug_can_match (GstElementFactory *src, GstElementFactory *dest) -{ - GList *srctemps, *desttemps; - - srctemps = src->padtemplates; - - while (srctemps) { - GstPadTemplate *srctemp = (GstPadTemplate *)srctemps->data; - - desttemps = dest->padtemplates; - - while (desttemps) { - GstPadTemplate *desttemp = (GstPadTemplate *)desttemps->data; - - if (srctemp->direction == GST_PAD_SRC && - desttemp->direction == GST_PAD_SINK) { - if (gst_caps_is_always_compatible (gst_pad_template_get_caps (srctemp), - gst_pad_template_get_caps (desttemp))) { - GST_DEBUG ("factory \"%s\" can link with factory \"%s\"\n", GST_OBJECT_NAME (src), - GST_OBJECT_NAME (dest)); - return TRUE; - } - } - - desttemps = g_list_next (desttemps); - } - srctemps = g_list_next (srctemps); - } - GST_DEBUG ("factory \"%s\" cannot link with factory \"%s\"\n", GST_OBJECT_NAME (src), - GST_OBJECT_NAME (dest)); - return FALSE; -} - -static gboolean -gst_autoplug_pads_autoplug_func (GstElement *src, GstPad *pad, GstElement *sink) -{ - const GList *sinkpads; - gboolean linked = FALSE; - - GST_DEBUG ("gstpipeline: autoplug pad link function for \"%s\" to \"%s\"", - GST_ELEMENT_NAME(src), GST_ELEMENT_NAME(sink)); - - sinkpads = gst_element_get_pad_list(sink); - while (sinkpads) { - GstPad *sinkpad = (GstPad *)sinkpads->data; - - /* if we have a match, link the pads */ - if (gst_pad_get_direction(sinkpad) == GST_PAD_SINK && - !GST_PAD_IS_LINKED(sinkpad)) - { - if (gst_caps_is_always_compatible (gst_pad_get_caps(pad), gst_pad_get_caps(sinkpad))) { - gst_pad_link(pad, sinkpad); - GST_DEBUG ("gstpipeline: autolink pad \"%s\" in element %s <-> ", GST_PAD_NAME (pad), - GST_ELEMENT_NAME(src)); - GST_DEBUG ("pad \"%s\" in element %s", GST_PAD_NAME (sinkpad), - GST_ELEMENT_NAME(sink)); - linked = TRUE; - break; - } - else { - GST_DEBUG ("pads incompatible %s, %s", GST_PAD_NAME (pad), GST_PAD_NAME (sinkpad)); - } - } - sinkpads = g_list_next(sinkpads); - } - - if (!linked) { - GST_DEBUG ("gstpipeline: no path to sinks for type"); - } - return linked; -} - -typedef struct { - GstElement *result; - GstCaps *endcap; - gint i; -} dynamic_pad_struct; - -static void -autoplug_dynamic_pad (GstElement *element, GstPad *pad, gpointer data) -{ - dynamic_pad_struct *info = (dynamic_pad_struct *)data; - const GList *pads = gst_element_get_pad_list (element); - - GST_DEBUG ("attempting to dynamically create a ghostpad for %s=%s", GST_ELEMENT_NAME (element), - GST_PAD_NAME (pad)); - - while (pads) { - GstPad *pad = GST_PAD (pads->data); - GstPadTemplate *templ = GST_PAD_PAD_TEMPLATE (pad); - pads = g_list_next (pads); - - if (gst_caps_is_always_compatible (GST_PAD_TEMPLATE_CAPS (templ), info->endcap)) { - gchar *name; - - name = g_strdup_printf ("src_%02d", info->i); - gst_element_add_ghost_pad (info->result, pad, name); - g_free (name); - - GST_DEBUG ("gstpipeline: new dynamic pad %s", GST_PAD_NAME (pad)); - break; - } - } -} - -static void -gst_autoplug_pads_autoplug (GstElement *src, GstElement *sink) -{ - const GList *srcpads; - gboolean linked = FALSE; - - srcpads = gst_element_get_pad_list(src); - - while (srcpads && !linked) { - GstPad *srcpad = (GstPad *)srcpads->data; - - if (gst_pad_get_direction(srcpad) == GST_PAD_SRC) - linked = gst_autoplug_pads_autoplug_func (src, srcpad, sink); - - srcpads = g_list_next(srcpads); - } - - if (!linked) { - GST_DEBUG ("gstpipeline: delaying pad links for \"%s\" to \"%s\"", - GST_ELEMENT_NAME(src), GST_ELEMENT_NAME(sink)); - g_signal_connect (G_OBJECT(src), "new_pad", - G_CALLBACK (gst_autoplug_pads_autoplug_func), sink); - } -} - -static const GList* -gst_autoplug_element_factory_get_list (gpointer data) -{ - return gst_registry_pool_feature_list (GST_TYPE_ELEMENT_FACTORY); -} - -typedef struct { - GstCaps *src; - GstCaps *sink; -} caps_struct; - -#define IS_CAPS(cap) (((cap) == caps->src) || (cap) == caps->sink) - -static guint -gst_autoplug_caps_find_cost (gpointer src, gpointer dest, gpointer data) -{ - caps_struct *caps = (caps_struct *)data; - gboolean res; - - if (IS_CAPS (src) && IS_CAPS (dest)) { - res = gst_caps_is_always_compatible ((GstCaps *)src, (GstCaps *)dest); - } - else if (IS_CAPS (src)) { - res = gst_element_factory_can_sink_caps ((GstElementFactory *)dest, (GstCaps *)src); - } - else if (IS_CAPS (dest)) { - res = gst_element_factory_can_src_caps ((GstElementFactory *)src, (GstCaps *)dest); - } - else { - res = gst_autoplug_can_match ((GstElementFactory *)src, (GstElementFactory *)dest); - } - - if (res) - return 1; - else - return GST_AUTOPLUG_MAX_COST; -} - -static GstElement* -gst_static_autoplug_to_caps (GstAutoplug *autoplug, GstCaps *srccaps, GstCaps *sinkcaps, va_list args) -{ - caps_struct caps; - GstCaps *capslist; - GstElement *result = NULL, *srcelement = NULL; - GList **factories; - GList *chains = NULL; - GList *endcaps = NULL; - guint numsinks = 0, i; - gboolean have_common = FALSE; - - capslist = sinkcaps; - - /* - * We first create a list of elements that are needed - * to convert the srcpad caps to the different sinkpad caps. - * and add the list of elementfactories to a list (chains). - */ - caps.src = srccaps; - - while (capslist) { - GList *elements; - - caps.sink = capslist; - - GST_INFO ("autoplugging two caps structures"); - - elements = gst_autoplug_func (caps.src, caps.sink, - gst_autoplug_element_factory_get_list, - gst_autoplug_caps_find_cost, - &caps); - - if (elements) { - chains = g_list_append (chains, elements); - endcaps = g_list_append (endcaps, capslist); - numsinks++; - } - else { - } - - capslist = va_arg (args, GstCaps *); - } - - /* - * If no list could be found the pipeline cannot be autoplugged and - * we return a NULL element - */ - if (numsinks == 0) - return NULL; - - /* - * We now have a list of lists. We will turn this into an array - * of lists, this will make it much more easy to manipulate it - * in the next steps. - */ - factories = g_new0 (GList *, numsinks); - - for (i = 0; chains; i++) { - GList *elements = (GList *) chains->data; - - factories[i] = elements; - - chains = g_list_next (chains); - } - /*FIXME, free the list */ - - result = gst_bin_new ("autoplug_bin"); - - /* - * We now hav a list of lists that is probably like: - * - * ! - * A -> B -> C - * ! - * A -> D -> E - * - * we now try to find the common elements (A) and add them to - * the bin. We remove them from both lists too. - */ - while (factories[0]) { - GstElementFactory *factory; - GstElement *element; - gchar *name; - - /* fase 3: add common elements */ - factory = (GstElementFactory *) (factories[0]->data); - - /* check to other paths for matching elements (factories) */ - for (i=1; idata)) { - goto differ; - } - } - - GST_DEBUG ("common factory \"%s\"", GST_OBJECT_NAME (factory)); - - /* it is likely that the plugin is not loaded yet. thus when it loads it - * will replace the elementfactory that gst built from the cache, and the - * GST_OBJECT_NAME will no longer be valid. thus we must g_strdup its name. - * - * this might be an implementation problem, i don't know, if a program keeps - * a reference to a cached factory after a factory has been added on plugin - * initialization. i raelly don't know though. - */ - name = g_strdup (GST_OBJECT_NAME (factory)); - element = gst_element_factory_create (factory, name); - g_free(name); - gst_bin_add (GST_BIN(result), element); - - if (srcelement != NULL) { - gst_autoplug_pads_autoplug (srcelement, element); - } - /* this is the first element, find a good ghostpad */ - else { - const GList *pads; - - pads = gst_element_get_pad_list (element); - - while (pads) { - GstPad *pad = GST_PAD (pads->data); - GstPadTemplate *templ = GST_PAD_PAD_TEMPLATE (pad); - - if (gst_caps_is_always_compatible (srccaps, GST_PAD_TEMPLATE_CAPS (templ))) { - gst_element_add_ghost_pad (result, pad, "sink"); - break; - } - - pads = g_list_next (pads); - } - } - gst_autoplug_signal_new_object (GST_AUTOPLUG (autoplug), GST_OBJECT (element)); - - srcelement = element; - - /* advance the pointer in all lists */ - for (i=0; idata); - - GST_DEBUG ("factory \"%s\"", GST_OBJECT_NAME (factory)); - element = gst_element_factory_create(factory, GST_OBJECT_NAME (factory)); - - GST_DEBUG ("adding element %s", GST_ELEMENT_NAME (element)); - gst_bin_add(GST_BIN(thebin), element); - gst_autoplug_signal_new_object (GST_AUTOPLUG (autoplug), GST_OBJECT (element)); - - gst_autoplug_pads_autoplug(thesrcelement, element); - - /* this element is now the new source element */ - thesrcelement = element; - - factories[i] = g_list_next(factories[i]); - } - /* - * we're at the last element in the chain, - * find a suitable pad to turn into a ghostpad - */ - { - GstCaps *endcap = (GstCaps *)(endcaps->data); - const GList *pads = gst_element_get_pad_list (thesrcelement); - gboolean have_pad = FALSE; - endcaps = g_list_next (endcaps); - - GST_DEBUG ("attempting to create a ghostpad for %s", GST_ELEMENT_NAME (thesrcelement)); - - while (pads) { - GstPad *pad = GST_PAD (pads->data); - GstPadTemplate *templ = GST_PAD_PAD_TEMPLATE (pad); - pads = g_list_next (pads); - - if (gst_caps_is_always_compatible (GST_PAD_TEMPLATE_CAPS (templ), endcap)) { - gchar *name; - - name = g_strdup_printf ("src_%02d", i); - gst_element_add_ghost_pad (result, pad, name); - g_free (name); - - have_pad = TRUE; - break; - } - } - if (!have_pad) { - dynamic_pad_struct *data = g_new0(dynamic_pad_struct, 1); - - data->result = result; - data->endcap = endcap; - data->i = i; - - GST_DEBUG ("delaying the creation of a ghostpad for %s", GST_ELEMENT_NAME (thesrcelement)); - g_signal_connect (G_OBJECT (thesrcelement), "new_pad", - G_CALLBACK (autoplug_dynamic_pad), data); - } - } - } - - return result; -} - -/* - * shortest path algorithm - * - */ -struct _gst_autoplug_node -{ - gpointer iNode; - gpointer iPrev; - gint iDist; -}; - -typedef struct _gst_autoplug_node gst_autoplug_node; - -static gint -find_factory (gst_autoplug_node *rgnNodes, gpointer factory) -{ - gint i=0; - - while (rgnNodes[i].iNode) { - if (rgnNodes[i].iNode == factory) return i; - i++; - } - return 0; -} - -static GList* -construct_path (gst_autoplug_node *rgnNodes, gpointer factory) -{ - GstElementFactory *current; - GList *factories = NULL; - - current = rgnNodes[find_factory(rgnNodes, factory)].iPrev; - - GST_INFO ("factories found in autoplugging (reversed order)"); - - while (current != NULL) - { - gpointer next = NULL; - - next = rgnNodes[find_factory(rgnNodes, current)].iPrev; - if (next) { - factories = g_list_prepend (factories, current); - GST_INFO ("factory: \"%s\"", GST_OBJECT_NAME (current)); - } - current = next; - } - return factories; -} - -static GList* -gst_autoplug_enqueue (GList *queue, gpointer iNode, gint iDist, gpointer iPrev) -{ - gst_autoplug_node *node = g_malloc (sizeof (gst_autoplug_node)); - - node->iNode = iNode; - node->iDist = iDist; - node->iPrev = iPrev; - - queue = g_list_append (queue, node); - - return queue; -} - -static GList* -gst_autoplug_dequeue (GList *queue, gpointer *iNode, gint *iDist, gpointer *iPrev) -{ - GList *head; - gst_autoplug_node *node; - - head = g_list_first (queue); - - if (head) { - node = (gst_autoplug_node *)head->data; - *iNode = node->iNode; - *iPrev = node->iPrev; - *iDist = node->iDist; - head = g_list_remove (queue, node); - } - - return head; -} - -static GList* -gst_autoplug_func (gpointer src, gpointer sink, - GstAutoplugListFunction list_function, - GstAutoplugCostFunction cost_function, - gpointer data) -{ - gst_autoplug_node *rgnNodes; - GList *queue = NULL; - gpointer iNode, iPrev; - gint iDist, i, iCost; - - GList *elements = g_list_copy ((GList *)list_function(data)); - GList *factories; - guint num_factories; - - elements = g_list_append (elements, sink); - elements = g_list_append (elements, src); - - factories = elements; - - num_factories = g_list_length (factories); - - rgnNodes = g_new0 (gst_autoplug_node, num_factories+1); - - for (i=0; i< num_factories; i++) { - gpointer fact = factories->data; - - rgnNodes[i].iNode = fact; - rgnNodes[i].iPrev = NULL; - - if (fact == src) { - rgnNodes[i].iDist = 0; - } - else { - rgnNodes[i].iDist = GST_AUTOPLUG_MAX_COST; - } - - factories = g_list_next (factories); - } - rgnNodes[num_factories].iNode = NULL; - - queue = gst_autoplug_enqueue (queue, src, 0, NULL); - - while (g_list_length (queue) > 0) { - GList *factories2 = elements; - - queue = gst_autoplug_dequeue (queue, &iNode, &iDist, &iPrev); - - for (i=0; i< num_factories; i++) { - gpointer current = factories2->data; - - iCost = cost_function (iNode, current, data); - if (iCost != GST_AUTOPLUG_MAX_COST) { - if ((GST_AUTOPLUG_MAX_COST == rgnNodes[i].iDist) || - (rgnNodes[i].iDist > (iCost + iDist))) { - rgnNodes[i].iDist = iDist + iCost; - rgnNodes[i].iPrev = iNode; - - queue = gst_autoplug_enqueue (queue, current, iDist + iCost, iNode); - } - } - - factories2 = g_list_next (factories2); - } - } - - return construct_path (rgnNodes, sink); -} diff --git a/gst/autoplug/gststaticautoplug.h b/gst/autoplug/gststaticautoplug.h deleted file mode 100644 index 92fc3a1..0000000 --- a/gst/autoplug/gststaticautoplug.h +++ /dev/null @@ -1,59 +0,0 @@ -/* GStreamer - * Copyright (C) 1999,2000 Erik Walthinsen - * 2000 Wim Taymans - * - * gstautoplug.h: Header for autoplugging functionality - * - * 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_STATIC_AUTOPLUG_H__ -#define __GST_STATIC_AUTOPLUG_H__ - -#include - -G_BEGIN_DECLS - -#define GST_TYPE_STATIC_AUTOPLUG \ - (gst_static_autoplug_get_type()) -#define GST_STATIC_AUTOPLUG(obj) \ - (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_STATIC_AUTOPLUG,GstStaticAutoplug)) -#define GST_STATIC_AUTOPLUG_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_STATIC_AUTOPLUG,GstStaticAutoplugClass)) -#define GST_IS_STATIC_AUTOPLUG(obj) \ - (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_STATIC_AUTOPLUG)) -#define GST_IS_STATIC_AUTOPLUG_CLASS(obj) \ - (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_STATIC_AUTOPLUG)) - -typedef struct _GstStaticAutoplug GstStaticAutoplug; -typedef struct _GstStaticAutoplugClass GstStaticAutoplugClass; - -struct _GstStaticAutoplug { - GstAutoplug object; -}; - -struct _GstStaticAutoplugClass { - GstAutoplugClass parent_class; -}; - - -GType gst_static_autoplug_get_type (void); - -G_END_DECLS - -#endif /* __GST_STATIC_AUTOPLUG_H__ */ - diff --git a/gst/autoplug/gststaticautoplugrender.c b/gst/autoplug/gststaticautoplugrender.c deleted file mode 100644 index 246e40d..0000000 --- a/gst/autoplug/gststaticautoplugrender.c +++ /dev/null @@ -1,673 +0,0 @@ -/* GStreamer - * Copyright (C) 1999,2000 Erik Walthinsen - * 2000 Wim Taymans - * - * gststaticautoplug.c: A static Autoplugger of pipelines - * - * 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 "gststaticautoplugrender.h" - -#include - -#define GST_AUTOPLUG_MAX_COST 999999 - -GST_DEBUG_CATEGORY_STATIC(debug_category); -#define GST_CAT_DEFAULT debug_category - -typedef guint (*GstAutoplugCostFunction) (gpointer src, gpointer dest, gpointer data); -typedef GList* (*GstAutoplugListFunction) (gpointer data); - - -static void gst_static_autoplug_render_class_init (GstStaticAutoplugRenderClass *klass); -static void gst_static_autoplug_render_init (GstStaticAutoplugRender *autoplug); - -static GList* gst_autoplug_func (gpointer src, gpointer sink, - GstAutoplugListFunction list_function, - GstAutoplugCostFunction cost_function, - gpointer data); - - - -static GstElement* gst_static_autoplug_to_render (GstAutoplug *autoplug, - GstCaps *srccaps, GstElement *target, va_list args); - -static GstAutoplugClass *parent_class = NULL; - -GType gst_static_autoplug_render_get_type(void) -{ - static GType static_autoplug_type = 0; - - if (!static_autoplug_type) { - static const GTypeInfo static_autoplug_info = { - sizeof(GstElementClass), - NULL, - NULL, - (GClassInitFunc)gst_static_autoplug_render_class_init, - NULL, - NULL, - sizeof(GstElement), - 0, - (GInstanceInitFunc)gst_static_autoplug_render_init, - }; - static_autoplug_type = g_type_register_static (GST_TYPE_AUTOPLUG, "GstStaticAutoplugRender", &static_autoplug_info, 0); - } - return static_autoplug_type; -} - -static void -gst_static_autoplug_render_class_init(GstStaticAutoplugRenderClass *klass) -{ - GstAutoplugClass *gstautoplug_class; - - gstautoplug_class = (GstAutoplugClass*) klass; - - parent_class = g_type_class_ref(GST_TYPE_AUTOPLUG); - - gstautoplug_class->autoplug_to_renderers = gst_static_autoplug_to_render; -} - -static void gst_static_autoplug_render_init(GstStaticAutoplugRender *autoplug) { -} - -static gboolean -plugin_init (GstPlugin *plugin) -{ - GstAutoplugFactory *factory; - - GST_DEBUG_CATEGORY_INIT (debug_category, "STATIC_AUTOPLUG", 0, "static autoplug render element"); - - factory = gst_autoplug_factory_new ("staticrender", - "A static autoplugger, it constructs the complete element before running it", - gst_static_autoplug_render_get_type ()); - - if (factory != NULL) { - gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory)); - } - else { - g_warning ("could not register autoplugger: staticrender"); - } - return TRUE; -} - -GST_PLUGIN_DEFINE ( - GST_VERSION_MAJOR, - GST_VERSION_MINOR, - "gststaticautoplugrender", - "a static autoplugger", - plugin_init, - VERSION, - GST_LICENSE, - GST_COPYRIGHT, - GST_PACKAGE, - GST_ORIGIN -) - -static GstPadTemplate* -gst_autoplug_match_caps (GstElementFactory *factory, GstPadDirection direction, GstCaps *caps) -{ - GList *templates; - - templates = factory->padtemplates; - - while (templates) { - GstPadTemplate *template = (GstPadTemplate *)templates->data; - - if (template->direction == direction && direction == GST_PAD_SRC) { - if (gst_caps_is_always_compatible (GST_PAD_TEMPLATE_CAPS (template), caps)) - return template; - } - else if (template->direction == direction && direction == GST_PAD_SINK) { - if (gst_caps_is_always_compatible (caps, GST_PAD_TEMPLATE_CAPS (template))) - return template; - } - templates = g_list_next (templates); - } - return NULL; -} - -static gboolean -gst_autoplug_can_match (GstElementFactory *src, GstElementFactory *dest) -{ - GList *srctemps, *desttemps; - - srctemps = src->padtemplates; - - while (srctemps) { - GstPadTemplate *srctemp = (GstPadTemplate *)srctemps->data; - srctemps = g_list_next (srctemps); - - if (srctemp->direction != GST_PAD_SRC) - continue; - - desttemps = dest->padtemplates; - - while (desttemps) { - GstPadTemplate *desttemp = (GstPadTemplate *)desttemps->data; - desttemps = g_list_next (desttemps); - - if (desttemp->direction == GST_PAD_SINK && desttemp->presence != GST_PAD_REQUEST) { - if (gst_caps_is_always_compatible (GST_PAD_TEMPLATE_CAPS (srctemp), GST_PAD_TEMPLATE_CAPS (desttemp))) { - GST_DEBUG ("factory \"%s\" can link with factory \"%s\"", - GST_OBJECT_NAME (src), GST_OBJECT_NAME (dest)); - return TRUE; - } - } - - } - } - GST_DEBUG ("factory \"%s\" cannot link with factory \"%s\"", - GST_OBJECT_NAME (src), GST_OBJECT_NAME (dest)); - return FALSE; -} - -static gboolean -gst_autoplug_pads_autoplug_func (GstElement *src, GstPad *pad, GstElement *sink) -{ - const GList *sinkpads; - gboolean linked = FALSE; - GstElementState state = GST_STATE (gst_element_get_parent (src)); - - GST_DEBUG ("gstpipeline: autoplug pad link function for %s %s:%s to \"%s\"", - GST_ELEMENT_NAME (src), GST_DEBUG_PAD_NAME(pad), GST_ELEMENT_NAME(sink)); - - if (state == GST_STATE_PLAYING) - gst_element_set_state (GST_ELEMENT (gst_element_get_parent (src)), GST_STATE_PAUSED); - - sinkpads = gst_element_get_pad_list(sink); - while (sinkpads) { - GstPad *sinkpad = (GstPad *)sinkpads->data; - - /* if we have a match, link the pads */ - if (gst_pad_get_direction(sinkpad) == GST_PAD_SINK && - !GST_PAD_IS_LINKED (pad) && !GST_PAD_IS_LINKED(sinkpad)) - { - - if ((linked = gst_pad_link (pad, sinkpad))) { - break; - } - else { - GST_DEBUG ("pads incompatible %s, %s", GST_PAD_NAME (pad), GST_PAD_NAME (sinkpad)); - } - } - sinkpads = g_list_next(sinkpads); - } - - if (state == GST_STATE_PLAYING) - gst_element_set_state (GST_ELEMENT (gst_element_get_parent (src)), GST_STATE_PLAYING); - - if (!linked) { - GST_DEBUG ("gstpipeline: no path to sinks for type"); - } - return linked; -} - -static void -gst_autoplug_pads_autoplug (GstElement *src, GstElement *sink) -{ - const GList *srcpads; - gboolean linked = FALSE; - - srcpads = gst_element_get_pad_list(src); - - while (srcpads && !linked) { - GstPad *srcpad = (GstPad *)srcpads->data; - - if (gst_pad_get_direction(srcpad) == GST_PAD_SRC) { - linked = gst_autoplug_pads_autoplug_func (src, srcpad, sink); - if (linked) - break; - } - - srcpads = g_list_next(srcpads); - } - - if (!linked) { - GST_DEBUG ("gstpipeline: delaying pad links for \"%s\" to \"%s\"", - GST_ELEMENT_NAME(src), GST_ELEMENT_NAME(sink)); - g_signal_connect (G_OBJECT(src),"new_pad", - G_CALLBACK (gst_autoplug_pads_autoplug_func), sink); - } -} - -static GList* -gst_autoplug_element_factory_get_list (gpointer data) -{ - return (GList *) gst_registry_pool_feature_list (GST_TYPE_ELEMENT_FACTORY); -} - -typedef struct { - GstCaps *src; - GstCaps *sink; -} caps_struct; - -#define IS_CAPS(cap) (((cap) == caps->src) || (cap) == caps->sink) -static guint -gst_autoplug_caps_find_cost (gpointer src, gpointer dest, gpointer data) -{ - caps_struct *caps = (caps_struct *)data; - gboolean res; - - if (IS_CAPS (src) && IS_CAPS (dest)) { - res = gst_caps_is_always_compatible ((GstCaps *)src, (GstCaps *)dest); - } - else if (IS_CAPS (src)) { - GstPadTemplate *templ; - - templ = gst_autoplug_match_caps ((GstElementFactory *)dest, GST_PAD_SINK, (GstCaps *)src); - - if (templ && templ->presence != GST_PAD_REQUEST) - res = TRUE; - else - res = FALSE; - - } - else if (IS_CAPS (dest)) { - GstPadTemplate *templ; - - templ = gst_autoplug_match_caps ((GstElementFactory *)src, GST_PAD_SRC, (GstCaps *)dest); - - if (templ && templ->presence != GST_PAD_REQUEST) - res = TRUE; - else - res = FALSE; - } - else { - res = gst_autoplug_can_match ((GstElementFactory *)src, (GstElementFactory *)dest); - GST_INFO ("factory %s to factory %s %d", GST_OBJECT_NAME (src), GST_OBJECT_NAME (dest), res); - } - - if (res) - return 1; - else - return GST_AUTOPLUG_MAX_COST; -} - -static GstElement* -gst_static_autoplug_to_render (GstAutoplug *autoplug, GstCaps *srccaps, GstElement *target, va_list args) -{ - caps_struct caps; - GstElement *targetelement; - GstElement *result = NULL, *srcelement = NULL; - GList **factories; - GList *chains = NULL; - GList *endelements = NULL; - guint numsinks = 0, i; - gboolean have_common = FALSE; - - targetelement = target; - - /* - * We first create a list of elements that are needed - * to convert the srcpad caps to the different sinkpad caps. - * and add the list of elementfactories to a list (chains). - */ - caps.src = srccaps; - - while (targetelement) { - GList *elements; - GstRealPad *pad; - GstPadTemplate *templ; - - pad = GST_PAD_REALIZE (gst_element_get_pad_list (targetelement)->data); - templ = GST_PAD_PAD_TEMPLATE (pad); - - if (templ) - caps.sink = GST_PAD_TEMPLATE_CAPS (templ); - else - goto next; - - GST_INFO ("autoplugging two caps structures"); - - elements = gst_autoplug_func (caps.src, caps.sink, - gst_autoplug_element_factory_get_list, - gst_autoplug_caps_find_cost, - &caps); - - if (elements) { - chains = g_list_append (chains, elements); - endelements = g_list_append (endelements, targetelement); - numsinks++; - } - else { - } -next: - targetelement = va_arg (args, GstElement *); - } - - /* - * If no list could be found the pipeline cannot be autoplugged and - * we return a NULL element - */ - if (numsinks == 0) - return NULL; - - /* - * We now have a list of lists. We will turn this into an array - * of lists, this will make it much more easy to manipulate it - * in the next steps. - */ - factories = g_new0 (GList *, numsinks); - - for (i = 0; chains; i++) { - GList *elements = (GList *) chains->data; - - factories[i] = elements; - - chains = g_list_next (chains); - } - /*FIXME, free the list */ - - result = gst_bin_new ("autoplug_bin"); - - /* - * We now hav a list of lists that is probably like: - * - * ! - * A -> B -> C - * ! - * A -> D -> E - * - * we now try to find the common elements (A) and add them to - * the bin. We remove them from both lists too. - */ - while (factories[0]) { - GstElementFactory *factory; - GstElement *element; - - /* fase 3: add common elements */ - factory = (GstElementFactory *) (factories[0]->data); - - /* check to other paths for matching elements (factories) */ - for (i=1; idata)) { - goto differ; - } - } - - GST_DEBUG ("common factory \"%s\"", GST_OBJECT_NAME (factory)); - - element = gst_element_factory_create (factory, g_strdup (GST_OBJECT_NAME (factory))); - gst_bin_add (GST_BIN(result), element); - - if (srcelement != NULL) { - gst_autoplug_pads_autoplug (srcelement, element); - } - /* this is the first element, find a good ghostpad */ - else { - const GList *pads; - - pads = gst_element_get_pad_list (element); - - while (pads) { - GstPad *pad = GST_PAD (pads->data); - GstPadTemplate *templ = GST_PAD_PAD_TEMPLATE (pad); - - if (gst_caps_is_always_compatible (srccaps, GST_PAD_TEMPLATE_CAPS (templ))) { - gst_element_add_ghost_pad (result, pad, "sink"); - break; - } - - pads = g_list_next (pads); - } - } - gst_autoplug_signal_new_object (GST_AUTOPLUG (autoplug), GST_OBJECT (element)); - - srcelement = element; - - /* advance the pointer in all lists */ - for (i=0; idata); - endelements = g_list_next (endelements); - - use_thread = have_common; - - while (factories[i] || sinkelement) { - /* fase 4: add other elements... */ - GstElementFactory *factory; - GstElement *element; - - if (factories[i]) { - factory = (GstElementFactory *)(factories[i]->data); - - GST_DEBUG ("factory \"%s\"", GST_OBJECT_NAME (factory)); - element = gst_element_factory_create(factory, g_strdup (GST_OBJECT_NAME (factory))); - } - else { - element = sinkelement; - sinkelement = NULL; - } - - /* this element suggests the use of a thread, so we set one up... */ - if (GST_ELEMENT_IS_THREAD_SUGGESTED(element) || use_thread) { - GstElement *queue; - GstPad *srcpad; - GstElement *current_bin = thebin; - - use_thread = FALSE; - - GST_DEBUG ("sugest new thread for \"%s\" %08x", GST_ELEMENT_NAME (element), GST_FLAGS(element)); - - /* create a new queue and add to the previous bin */ - queue = gst_element_factory_make("queue", g_strconcat("queue_", GST_ELEMENT_NAME(element), NULL)); - GST_DEBUG ("adding element \"%s\"", GST_ELEMENT_NAME (element)); - - /* this will be the new bin for all following elements */ - thebin = gst_element_factory_make("thread", g_strconcat("thread_", GST_ELEMENT_NAME(element), NULL)); - - gst_bin_add(GST_BIN(thebin), queue); - gst_autoplug_signal_new_object (GST_AUTOPLUG (autoplug), GST_OBJECT (queue)); - - srcpad = gst_element_get_pad(queue, "src"); - - gst_autoplug_pads_autoplug(thesrcelement, queue); - - GST_DEBUG ("adding element %s", GST_ELEMENT_NAME (element)); - gst_bin_add(GST_BIN(thebin), element); - gst_autoplug_signal_new_object (GST_AUTOPLUG (autoplug), GST_OBJECT (element)); - GST_DEBUG ("adding element %s", GST_ELEMENT_NAME (thebin)); - gst_bin_add(GST_BIN(current_bin), thebin); - gst_autoplug_signal_new_object (GST_AUTOPLUG (autoplug), GST_OBJECT (thebin)); - thesrcelement = queue; - } - /* no thread needed, easy case */ - else { - GST_DEBUG ("adding element %s", GST_ELEMENT_NAME (element)); - gst_bin_add(GST_BIN(thebin), element); - gst_autoplug_signal_new_object (GST_AUTOPLUG (autoplug), GST_OBJECT (element)); - } - gst_autoplug_pads_autoplug(thesrcelement, element); - - /* this element is now the new source element */ - thesrcelement = element; - - factories[i] = g_list_next(factories[i]); - } - } - - return result; -} - -/* - * shortest path algorithm - * - */ -struct _gst_autoplug_node -{ - gpointer iNode; - gpointer iPrev; - gint iDist; -}; - -typedef struct _gst_autoplug_node gst_autoplug_node; - -static gint -find_factory (gst_autoplug_node *rgnNodes, gpointer factory) -{ - gint i=0; - - while (rgnNodes[i].iNode) { - if (rgnNodes[i].iNode == factory) return i; - i++; - } - return 0; -} - -static GList* -construct_path (gst_autoplug_node *rgnNodes, gpointer factory) -{ - GstElementFactory *current; - GList *factories = NULL; - - current = rgnNodes[find_factory(rgnNodes, factory)].iPrev; - - GST_INFO ("factories found in autoplugging (reversed order)"); - - while (current != NULL) - { - gpointer next = NULL; - - next = rgnNodes[find_factory(rgnNodes, current)].iPrev; - if (next) { - factories = g_list_prepend (factories, current); - GST_INFO ("factory: \"%s\"", GST_OBJECT_NAME (current)); - } - current = next; - } - return factories; -} - -static GList* -gst_autoplug_enqueue (GList *queue, gpointer iNode, gint iDist, gpointer iPrev) -{ - gst_autoplug_node *node = g_malloc (sizeof (gst_autoplug_node)); - - node->iNode = iNode; - node->iDist = iDist; - node->iPrev = iPrev; - - queue = g_list_append (queue, node); - - return queue; -} - -static GList* -gst_autoplug_dequeue (GList *queue, gpointer *iNode, gint *iDist, gpointer *iPrev) -{ - GList *head; - gst_autoplug_node *node; - - head = g_list_first (queue); - - if (head) { - node = (gst_autoplug_node *)head->data; - *iNode = node->iNode; - *iPrev = node->iPrev; - *iDist = node->iDist; - head = g_list_remove (queue, node); - } - - return head; -} - -static GList* -gst_autoplug_func (gpointer src, gpointer sink, - GstAutoplugListFunction list_function, - GstAutoplugCostFunction cost_function, - gpointer data) -{ - gst_autoplug_node *rgnNodes; - GList *queue = NULL; - gpointer iNode, iPrev; - gint iDist, i, iCost; - - GList *elements = g_list_copy (list_function(data)); - GList *factories; - guint num_factories; - - elements = g_list_append (elements, sink); - elements = g_list_append (elements, src); - - factories = elements; - - num_factories = g_list_length (factories); - - rgnNodes = g_new0 (gst_autoplug_node, num_factories+1); - - for (i=0; i< num_factories; i++) { - gpointer fact = factories->data; - - rgnNodes[i].iNode = fact; - rgnNodes[i].iPrev = NULL; - - if (fact == src) { - rgnNodes[i].iDist = 0; - } - else { - rgnNodes[i].iDist = GST_AUTOPLUG_MAX_COST; - } - - factories = g_list_next (factories); - } - rgnNodes[num_factories].iNode = NULL; - - queue = gst_autoplug_enqueue (queue, src, 0, NULL); - - while (g_list_length (queue) > 0) { - GList *factories2 = elements; - - queue = gst_autoplug_dequeue (queue, &iNode, &iDist, &iPrev); - - for (i=0; i< num_factories; i++) { - gpointer current = factories2->data; - - iCost = cost_function (iNode, current, data); - if (iCost != GST_AUTOPLUG_MAX_COST) { - if ((GST_AUTOPLUG_MAX_COST == rgnNodes[i].iDist) || - (rgnNodes[i].iDist > (iCost + iDist))) { - rgnNodes[i].iDist = iDist + iCost; - rgnNodes[i].iPrev = iNode; - - queue = gst_autoplug_enqueue (queue, current, iDist + iCost, iNode); - } - } - - factories2 = g_list_next (factories2); - } - } - - return construct_path (rgnNodes, sink); -} diff --git a/gst/autoplug/gststaticautoplugrender.h b/gst/autoplug/gststaticautoplugrender.h deleted file mode 100644 index bf44b13..0000000 --- a/gst/autoplug/gststaticautoplugrender.h +++ /dev/null @@ -1,59 +0,0 @@ -/* GStreamer - * Copyright (C) 1999,2000 Erik Walthinsen - * 2000 Wim Taymans - * - * gstautoplug.h: Header for autoplugging functionality - * - * 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_STATIC_AUTOPLUG_RENDER_H__ -#define __GST_STATIC_AUTOPLUG_RENDER_H__ - -#include - -G_BEGIN_DECLS - -#define GST_TYPE_STATIC_AUTOPLUG_RENDER \ - (gst_static_autoplug_render_get_type()) -#define GST_STATIC_AUTOPLUG_RENDER(obj) \ - (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_STATIC_AUTOPLUG_RENDER,GstStaticAutoplugRender)) -#define GST_STATIC_AUTOPLUG_RENDER_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_STATIC_AUTOPLUG_RENDER,GstStaticAutoplugRenderClass)) -#define GST_IS_STATIC_AUTOPLUG_RENDER(obj) \ - (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_STATIC_AUTOPLUG_RENDER)) -#define GST_IS_STATIC_AUTOPLUG_RENDER_CLASS(obj) \ - (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_STATIC_AUTOPLUG_RENDER)) - -typedef struct _GstStaticAutoplugRender GstStaticAutoplugRender; -typedef struct _GstStaticAutoplugRenderClass GstStaticAutoplugRenderClass; - -struct _GstStaticAutoplugRender { - GstAutoplug object; -}; - -struct _GstStaticAutoplugRenderClass { - GstAutoplugClass parent_class; -}; - - -GType gst_static_autoplug_render_get_type (void); - -G_END_DECLS - -#endif /* __GST_STATIC_AUTOPLUG_H__ */ - diff --git a/gst/gstautoplug.c b/gst/gstautoplug.c deleted file mode 100644 index 0492cf3..0000000 --- a/gst/gstautoplug.c +++ /dev/null @@ -1,385 +0,0 @@ -/* GStreamer - * Copyright (C) 1999,2000 Erik Walthinsen - * 2000 Wim Taymans - * - * gstautoplug.c: Autoplugging of pipelines - * - * 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 "gst_private.h" - -#include - -#include "gstautoplug.h" -#include "gstregistrypool.h" -#include "gstinfo.h" - -enum { - NEW_OBJECT, - LAST_SIGNAL -}; - -enum { - ARG_0, - /* FILL ME */ -}; - -static void gst_autoplug_class_init (GstAutoplugClass *klass); -static void gst_autoplug_init (GstAutoplug *autoplug); - -static GstObjectClass *parent_class = NULL; -static guint gst_autoplug_signals[LAST_SIGNAL] = { 0 }; - -GType gst_autoplug_get_type(void) -{ - static GType autoplug_type = 0; - - if (!autoplug_type) { - static const GTypeInfo autoplug_info = { - sizeof(GstAutoplugClass), - NULL, - NULL, - (GClassInitFunc)gst_autoplug_class_init, - NULL, - NULL, - sizeof(GstAutoplug), - 4, - (GInstanceInitFunc)gst_autoplug_init, - NULL - }; - autoplug_type = g_type_register_static (GST_TYPE_OBJECT, "GstAutoplug", &autoplug_info, G_TYPE_FLAG_ABSTRACT); - } - return autoplug_type; -} - -static void -gst_autoplug_class_init(GstAutoplugClass *klass) -{ - GObjectClass *gobject_class; - GstObjectClass *gstobject_class; - - gobject_class = (GObjectClass*) klass; - gstobject_class = (GstObjectClass*) klass; - - parent_class = g_type_class_ref (GST_TYPE_OBJECT); - - gst_autoplug_signals[NEW_OBJECT] = - g_signal_new ("new_object", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GstAutoplugClass, new_object), NULL, NULL, - g_cclosure_marshal_VOID__OBJECT, G_TYPE_NONE, 1, - GST_TYPE_OBJECT); - -} - -static void gst_autoplug_init(GstAutoplug *autoplug) -{ -} - -/** - * gst_autoplug_signal_new_object: - * @autoplug: The autoplugger to emit the signal - * @object: The object that is passed to the signal - * - * Emit a new_object signal. autopluggers are supposed to - * emit this signal whenever a new object has been added to - * the autoplugged pipeline. - * - */ -void -gst_autoplug_signal_new_object (GstAutoplug *autoplug, GstObject *object) -{ - g_signal_emit (G_OBJECT (autoplug), gst_autoplug_signals[NEW_OBJECT], 0, object); -} - - -/** - * gst_autoplug_to_caps: - * @autoplug: The autoplugger performing the autoplugging. - * @srccaps: The source capabilities. - * @sinkcaps: The target capabilities. - * @...: more target capabilities. - * - * Perform the autoplugging procedure on the given autoplugger. - * The src caps will be connected to the sink caps. - * - * Returns: A new #GstElement that connects the src caps to the sink caps. - */ -GstElement* -gst_autoplug_to_caps (GstAutoplug *autoplug, GstCaps *srccaps, GstCaps *sinkcaps, ...) -{ - GstAutoplugClass *oclass; - GstElement *element = NULL; - va_list args; - - va_start (args, sinkcaps); - - oclass = GST_AUTOPLUG_CLASS (G_OBJECT_GET_CLASS(autoplug)); - if (oclass->autoplug_to_caps) - element = (oclass->autoplug_to_caps) (autoplug, srccaps, sinkcaps, args); - - va_end (args); - - return element; -} - -/** - * gst_autoplug_to_caps_valist: - * @autoplug: The autoplugger performing the autoplugging. - * @srccaps: The source capabilities. - * @sinkcaps: The target capabilities. - * @va_list: more target capabilities. - * - * Perform the autoplugging procedure on the given autoplugger. - * The src caps will be connected to the sink caps. - * - * Returns: A new #GstElement that connects the src caps to the sink caps. - */ -GstElement* -gst_autoplug_to_caps_valist (GstAutoplug *autoplug, GstCaps *srccaps, GstCaps *sinkcaps, va_list args) -{ - GstAutoplugClass *oclass; - GstElement *element = NULL; - - oclass = GST_AUTOPLUG_CLASS (G_OBJECT_GET_CLASS(autoplug)); - if (oclass->autoplug_to_caps) - element = (oclass->autoplug_to_caps) (autoplug, srccaps, sinkcaps, args); - - return element; -} - -/** - * gst_autoplug_to_renderers: - * @autoplug: The autoplugger performing the autoplugging. - * @srccaps: The source capabilities. - * @target: The target element. - * @...: more target elements. - * - * Perform the autoplugging procedure on the given autoplugger. - * The src caps will be connected to the target elements. - * - * Returns: A new #GstElement that connects the src caps to the target elements. - */ -GstElement* -gst_autoplug_to_renderers (GstAutoplug *autoplug, GstCaps *srccaps, GstElement *target, ...) -{ - GstAutoplugClass *oclass; - GstElement *element = NULL; - va_list args; - - va_start (args, target); - - oclass = GST_AUTOPLUG_CLASS (G_OBJECT_GET_CLASS(autoplug)); - if (oclass->autoplug_to_renderers) - element = (oclass->autoplug_to_renderers) (autoplug, srccaps, target, args); - - va_end (args); - - return element; -} - -/** - * gst_autoplug_to_renderers_valist: - * @autoplug: The autoplugger performing the autoplugging. - * @srccaps: The source capabilities. - * @target: The target element. - * @va_list: more target elements. - * - * Perform the autoplugging procedure on the given autoplugger. - * The src caps will be connected to the target elements. - * - * Returns: A new #GstElement that connects the src caps to the target elements. - */ -GstElement* -gst_autoplug_to_renderers_valist (GstAutoplug *autoplug, GstCaps *srccaps, GstElement *target, va_list args) -{ - GstAutoplugClass *oclass; - GstElement *element = NULL; - - oclass = GST_AUTOPLUG_CLASS (G_OBJECT_GET_CLASS(autoplug)); - if (oclass->autoplug_to_renderers) - element = (oclass->autoplug_to_renderers) (autoplug, srccaps, target, args); - - return element; -} - -static void gst_autoplug_factory_class_init (GstAutoplugFactoryClass *klass); -static void gst_autoplug_factory_init (GstAutoplugFactory *factory); - -static GstPluginFeatureClass *factory_parent_class = NULL; -/* static guint gst_autoplug_factory_signals[LAST_SIGNAL] = { 0 }; */ - -GType -gst_autoplug_factory_get_type (void) -{ - static GType autoplugfactory_type = 0; - - if (!autoplugfactory_type) { - static const GTypeInfo autoplugfactory_info = { - sizeof (GstAutoplugFactoryClass), - NULL, - NULL, - (GClassInitFunc) gst_autoplug_factory_class_init, - NULL, - NULL, - sizeof(GstAutoplugFactory), - 0, - (GInstanceInitFunc) gst_autoplug_factory_init, - NULL - }; - autoplugfactory_type = g_type_register_static (GST_TYPE_PLUGIN_FEATURE, - "GstAutoplugFactory", &autoplugfactory_info, 0); - } - return autoplugfactory_type; -} - -static void -gst_autoplug_factory_class_init (GstAutoplugFactoryClass *klass) -{ - GObjectClass *gobject_class; - GstObjectClass *gstobject_class; - GstPluginFeatureClass *gstpluginfeature_class; - - gobject_class = (GObjectClass*)klass; - gstobject_class = (GstObjectClass*)klass; - gstpluginfeature_class = (GstPluginFeatureClass*) klass; - - factory_parent_class = g_type_class_ref (GST_TYPE_PLUGIN_FEATURE); -} - -static void -gst_autoplug_factory_init (GstAutoplugFactory *factory) -{ -} - - -/** - * gst_autoplug_factory_new: - * @name: name of autoplugfactory to create - * @longdesc: long description of autoplugfactory to create - * @type: the gtk type of the GstAutoplug element of this factory - * - * Create a new autoplugfactory with the given parameters - * - * Returns: a new #GstAutoplugFactory. - */ -GstAutoplugFactory* -gst_autoplug_factory_new (const gchar *name, const gchar *longdesc, GType type) -{ - GstAutoplugFactory *factory; - - g_return_val_if_fail(name != NULL, NULL); - factory = gst_autoplug_factory_find (name); - if (!factory) { - factory = GST_AUTOPLUG_FACTORY (g_object_new (GST_TYPE_AUTOPLUG_FACTORY, NULL)); - } - - GST_PLUGIN_FEATURE_NAME (factory) = g_strdup (name); - if (factory->longdesc) - g_free (factory->longdesc); - factory->longdesc = g_strdup (longdesc); - factory->type = type; - - return factory; -} - -/** - * gst_autoplug_factory_destroy: - * @factory: factory to destroy - * - * Removes the autoplug from the global list. - */ -void -gst_autoplug_factory_destroy (GstAutoplugFactory *factory) -{ - g_return_if_fail (factory != NULL); - - /* we don't free the struct bacause someone might have a handle to it.. */ -} - -/** - * gst_autoplug_factory_find: - * @name: name of autoplugfactory to find - * - * Search for an autoplugfactory of the given name. - * - * Returns: #GstAutoplugFactory if found, NULL otherwise - */ -GstAutoplugFactory* -gst_autoplug_factory_find (const gchar *name) -{ - GstPluginFeature *feature; - - g_return_val_if_fail (name != NULL, NULL); - - GST_DEBUG ("gstautoplug: find \"%s\"", name); - - feature = gst_registry_pool_find_feature (name, GST_TYPE_AUTOPLUG_FACTORY); - if (feature) - return GST_AUTOPLUG_FACTORY (feature); - - return NULL; -} - -/** - * gst_autoplug_factory_create: - * @factory: the factory used to create the instance - * - * Create a new #GstAutoplug instance from the - * given autoplugfactory. - * - * Returns: A new #GstAutoplug instance. - */ -GstAutoplug* -gst_autoplug_factory_create (GstAutoplugFactory *factory) -{ - GstAutoplug *new = NULL; - - g_return_val_if_fail (factory != NULL, NULL); - - if (gst_plugin_feature_ensure_loaded (GST_PLUGIN_FEATURE (factory))) { - g_return_val_if_fail (factory->type != 0, NULL); - - new = GST_AUTOPLUG (g_object_new(factory->type,NULL)); - } - - return new; -} - -/** - * gst_autoplug_factory_make: - * @name: the name of the factory used to create the instance - * - * Create a new #GstAutoplug instance from the - * autoplugfactory with the given name. - * - * Returns: A new #GstAutoplug instance. - */ -GstAutoplug* -gst_autoplug_factory_make (const gchar *name) -{ - GstAutoplugFactory *factory; - - g_return_val_if_fail (name != NULL, NULL); - - factory = gst_autoplug_factory_find (name); - - if (factory == NULL) - return NULL; - - return gst_autoplug_factory_create (factory); -} diff --git a/gst/gstautoplug.h b/gst/gstautoplug.h deleted file mode 100644 index 504ad6e..0000000 --- a/gst/gstautoplug.h +++ /dev/null @@ -1,148 +0,0 @@ -/* GStreamer - * Copyright (C) 1999,2000 Erik Walthinsen - * 2000 Wim Taymans - * - * gstautoplug.h: Header for autoplugging functionality - * - * 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_AUTOPLUG_H__ -#define __GST_AUTOPLUG_H__ - -#ifndef GST_DISABLE_AUTOPLUG - -#include - -G_BEGIN_DECLS - -#define GST_TYPE_AUTOPLUG \ - (gst_autoplug_get_type()) -#define GST_AUTOPLUG(obj) \ - (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUTOPLUG,GstAutoplug)) -#define GST_AUTOPLUG_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUTOPLUG,GstAutoplugClass)) -#define GST_IS_AUTOPLUG(obj) \ - (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUTOPLUG)) -#define GST_IS_AUTOPLUG_CLASS(obj) \ - (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUTOPLUG)) - -typedef struct _GstAutoplug GstAutoplug; -typedef struct _GstAutoplugClass GstAutoplugClass; - -typedef enum { - GST_AUTOPLUG_TO_CAPS = GST_OBJECT_FLAG_LAST, - GST_AUTOPLUG_TO_RENDERER, - - GST_AUTOPLUG_FLAG_LAST = GST_OBJECT_FLAG_LAST + 8 -} GstAutoplugFlags; - - -struct _GstAutoplug { - GstObject object; - - GST_OBJECT_PADDING -}; - -struct _GstAutoplugClass { - GstObjectClass parent_class; - - /* signal callbacks */ - void (*new_object) (GstAutoplug *autoplug, GstObject *object); - - /* perform the autoplugging */ - GstElement* (*autoplug_to_caps) (GstAutoplug *autoplug, GstCaps *srccaps, GstCaps *sinkcaps, va_list args); - GstElement* (*autoplug_to_renderers) (GstAutoplug *autoplug, GstCaps *srccaps, GstElement *target, va_list args); - - GST_CLASS_PADDING -}; - - -GType gst_autoplug_get_type (void); - -void gst_autoplug_signal_new_object (GstAutoplug *autoplug, GstObject *object); - -GstElement* gst_autoplug_to_caps (GstAutoplug *autoplug, GstCaps *srccaps, GstCaps *sinkcaps, ...); -GstElement* gst_autoplug_to_caps_valist (GstAutoplug *autoplug, GstCaps *srccaps, GstCaps *sinkcaps, va_list args); -GstElement* gst_autoplug_to_renderers (GstAutoplug *autoplug, GstCaps *srccaps, - GstElement *target, ...); -GstElement* gst_autoplug_to_renderers_valist (GstAutoplug *autoplug, GstCaps *srccaps, - GstElement *target, va_list args); - - -/* - * creating autopluggers - * - */ -#define GST_TYPE_AUTOPLUG_FACTORY \ - (gst_autoplug_factory_get_type()) -#define GST_AUTOPLUG_FACTORY(obj) \ - (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUTOPLUG_FACTORY,GstAutoplugFactory)) -#define GST_AUTOPLUG_FACTORY_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUTOPLUG_FACTORY,GstAutoplugFactoryClass)) -#define GST_IS_AUTOPLUG_FACTORY(obj) \ - (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUTOPLUG_FACTORY)) -#define GST_IS_AUTOPLUG_FACTORY_CLASS(obj) \ - (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUTOPLUG_FACTORY)) - -typedef struct _GstAutoplugFactory GstAutoplugFactory; -typedef struct _GstAutoplugFactoryClass GstAutoplugFactoryClass; - -struct _GstAutoplugFactory { - GstPluginFeature feature; - - gchar *longdesc; /* long description of the autoplugger (well, don't overdo it..) */ - GType type; /* unique GType of the autoplugger */ -}; - -struct _GstAutoplugFactoryClass { - GstPluginFeatureClass parent; -}; - -GType gst_autoplug_factory_get_type (void); - -GstAutoplugFactory* gst_autoplug_factory_new (const gchar *name, const gchar *longdesc, GType type); -void gst_autoplug_factory_destroy (GstAutoplugFactory *factory); - -GstAutoplugFactory* gst_autoplug_factory_find (const gchar *name); - -GstAutoplug* gst_autoplug_factory_create (GstAutoplugFactory *factory); -GstAutoplug* gst_autoplug_factory_make (const gchar *name); - -G_END_DECLS - -#else /* GST_DISABLE_AUTOPLUG */ - -#pragma GCC poison gst_autoplug_get_type -#pragma GCC poison gst_autoplug_signal_new_object -#pragma GCC poison gst_autoplug_to_caps -#pragma GCC poison gst_autoplug_to_renderers - -#pragma GCC poison gst_autoplug_factory_get_type -#pragma GCC poison gst_autoplug_factory_new -#pragma GCC poison gst_autoplug_factory_destroy - -#pragma GCC poison gst_autoplug_factory_find -#pragma GCC poison gst_autoplug_factory_get_list - -#pragma GCC poison gst_autoplug_factory_create -#pragma GCC poison gst_autoplug_factory_make - -#endif /* GST_DISABLE_AUTOPLUG */ - -#endif /* __GST_AUTOPLUG_H__ */ - -- 2.7.4