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gst/playback/: Refactor some common code to filter factories and check caps compat.
Original commit message from CVS: * gst/playback/Makefile.am: * gst/playback/gstfactorylists.c: (compare_ranks), (print_feature), (get_feature_array), (decoders_filter), (sinks_filter), (gst_factory_list_get_decoders), (gst_factory_list_get_sinks), (gst_factory_list_filter): * gst/playback/gstfactorylists.h: Refactor some common code to filter factories and check caps compat. * gst/playback/gstdecodebin.c: * gst/playback/gstdecodebin2.c: (gst_decode_bin_class_init), (gst_decode_bin_init), (gst_decode_bin_dispose), (gst_decode_bin_autoplug_continue), (gst_decode_bin_autoplug_factories), (gst_decode_bin_autoplug_select), (analyze_new_pad), (find_compatibles): * gst/playback/gstplaybin.c: * gst/playback/gstplaybin2.c: (gst_play_bin_class_init), (gst_play_bin_init), (gst_play_bin_finalize), (autoplug_factories_cb), (activate_group): * gst/playback/gstqueue2.c: * gst/playback/gsturidecodebin.c: (proxy_unknown_type_signal), (proxy_autoplug_continue_signal), (proxy_autoplug_factories_signal), (proxy_autoplug_select_signal), (proxy_drained_signal): Add some more debug info and use factor filtering code.
This commit is contained in:
parent
0625160416
commit
11bf488b85
10 changed files with 410 additions and 127 deletions
28
ChangeLog
28
ChangeLog
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@ -1,3 +1,31 @@
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2007-11-30 Wim Taymans <wim.taymans@gmail.com>
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* gst/playback/Makefile.am:
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* gst/playback/gstfactorylists.c: (compare_ranks), (print_feature),
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(get_feature_array), (decoders_filter), (sinks_filter),
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(gst_factory_list_get_decoders), (gst_factory_list_get_sinks),
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(gst_factory_list_filter):
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* gst/playback/gstfactorylists.h:
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Refactor some common code to filter factories and check caps compat.
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* gst/playback/gstdecodebin.c:
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* gst/playback/gstdecodebin2.c: (gst_decode_bin_class_init),
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(gst_decode_bin_init), (gst_decode_bin_dispose),
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(gst_decode_bin_autoplug_continue),
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(gst_decode_bin_autoplug_factories),
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(gst_decode_bin_autoplug_select), (analyze_new_pad),
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(find_compatibles):
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* gst/playback/gstplaybin.c:
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* gst/playback/gstplaybin2.c: (gst_play_bin_class_init),
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(gst_play_bin_init), (gst_play_bin_finalize),
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(autoplug_factories_cb), (activate_group):
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* gst/playback/gstqueue2.c:
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* gst/playback/gsturidecodebin.c: (proxy_unknown_type_signal),
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(proxy_autoplug_continue_signal),
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(proxy_autoplug_factories_signal), (proxy_autoplug_select_signal),
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(proxy_drained_signal):
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Add some more debug info and use factor filtering code.
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2007-11-26 Stefan Kost <ensonic@users.sf.net>
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* gst/audiotestsrc/gstaudiotestsrc.c:
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@ -16,6 +16,7 @@ libgstplaybin_la_SOURCES = \
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gstplaybin2.c \
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gstplaysink.c \
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gstplaybasebin.c \
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gstfactorylists.c \
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gststreaminfo.c \
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gststreamselector.c
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@ -34,7 +35,7 @@ libgstdecodebin_la_LIBADD = \
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$(top_builddir)/gst-libs/gst/pbutils/libgstpbutils-@GST_MAJORMINOR@.la \
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$(GST_LIBS)
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libgstdecodebin2_la_SOURCES = gstdecodebin2.c
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libgstdecodebin2_la_SOURCES = gstdecodebin2.c gstfactorylists.c
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nodist_libgstdecodebin2_la_SOURCES = $(built_sources)
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libgstdecodebin2_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
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libgstdecodebin2_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
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@ -60,6 +61,7 @@ noinst_HEADERS = \
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gstplaybasebin.h \
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gstplaysink.h \
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gststreaminfo.h \
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gstfactorylists.h \
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gststreamselector.h
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noinst_PROGRAMS = test decodetest test2 test3 test4 test5 test6 test7
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@ -1,5 +1,5 @@
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/* GStreamer
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* Copyright (C) <2004> Wim Taymans <wim@fluendo.com>
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* Copyright (C) <2004> Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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@ -162,7 +162,7 @@ static const GstElementDetails gst_decode_bin_details =
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GST_ELEMENT_DETAILS ("Decoder Bin",
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"Generic/Bin/Decoder",
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"Autoplug and decode to raw media",
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"Wim Taymans <wim@fluendo.com>");
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"Wim Taymans <wim.taymans@gmail.com>");
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static GType
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@ -43,6 +43,7 @@
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#include <gst/pbutils/pbutils.h>
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#include "gstplay-marshal.h"
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#include "gstfactorylists.h"
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/* generic templates */
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static GstStaticPadTemplate decoder_bin_sink_template =
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@ -97,7 +98,7 @@ struct _GstDecodeBin
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* Should be freed in dispose */
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gint nbpads; /* unique identifier for source pads */
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GList *factories; /* factories we can use for selecting elements */
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GValueArray *factories; /* factories we can use for selecting elements */
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gboolean have_type; /* if we received the have_type signal */
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guint have_type_id; /* signal id for have-type from typefind */
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@ -419,7 +420,13 @@ gst_decode_bin_class_init (GstDecodeBinClass * klass)
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* @caps: The #GstCaps found.
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*
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* This function is emited when an array of possible factories for @caps on
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* @pad is needed. Decodebin2 will by default return
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* @pad is needed. Decodebin2 will by default return an array with all
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* compatible factories, sorted by rank.
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*
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* If this function returns NULL, @pad will be exposed as a final caps.
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*
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* If this function returns an empty array, the pad will be considered as
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* having an unhandled type media type.
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*
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* Returns: a #GValueArray* with a list of factories to try. The factories are
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* by default tried in the returned order or based on the index returned by
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@ -493,80 +500,11 @@ gst_decode_bin_class_init (GstDecodeBinClass * klass)
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GST_DEBUG_FUNCPTR (gst_decode_bin_change_state);
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}
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/* the filter function for selecting the elements we can use in
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* autoplugging */
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static gboolean
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gst_decode_bin_factory_filter (GstPluginFeature * feature,
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GstDecodeBin * decode_bin)
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{
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guint rank;
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const gchar *klass;
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/* we only care about element factories */
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if (!GST_IS_ELEMENT_FACTORY (feature))
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return FALSE;
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klass = gst_element_factory_get_klass (GST_ELEMENT_FACTORY (feature));
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/* only demuxers, decoders, depayloaders and parsers can play */
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if (strstr (klass, "Demux") == NULL &&
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strstr (klass, "Decoder") == NULL &&
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strstr (klass, "Depayloader") == NULL &&
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strstr (klass, "Parse") == NULL) {
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return FALSE;
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}
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/* only select elements with autoplugging rank */
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rank = gst_plugin_feature_get_rank (feature);
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if (rank < GST_RANK_MARGINAL)
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return FALSE;
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return TRUE;
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}
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/* function used to sort element features */
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static gint
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compare_ranks (GstPluginFeature * f1, GstPluginFeature * f2)
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{
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gint diff;
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const gchar *rname1, *rname2;
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diff = gst_plugin_feature_get_rank (f2) - gst_plugin_feature_get_rank (f1);
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if (diff != 0)
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return diff;
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rname1 = gst_plugin_feature_get_name (f1);
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rname2 = gst_plugin_feature_get_name (f2);
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diff = strcmp (rname2, rname1);
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return diff;
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}
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static void
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print_feature (GstPluginFeature * feature)
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{
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const gchar *rname;
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rname = gst_plugin_feature_get_name (feature);
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GST_DEBUG ("%s", rname);
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}
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static void
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gst_decode_bin_init (GstDecodeBin * decode_bin)
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{
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GList *factories;
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/* first filter out the interesting element factories */
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factories = gst_default_registry_feature_filter (
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(GstPluginFeatureFilter) gst_decode_bin_factory_filter,
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FALSE, decode_bin);
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/* sort them according to their ranks */
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decode_bin->factories = g_list_sort (factories, (GCompareFunc) compare_ranks);
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/* do some debugging */
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g_list_foreach (decode_bin->factories, (GFunc) print_feature, NULL);
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decode_bin->factories = gst_factory_list_get_decoders ();
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/* we create the typefind element only once */
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decode_bin->typefind = gst_element_factory_make ("typefind", "typefind");
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@ -622,7 +560,7 @@ gst_decode_bin_dispose (GObject * object)
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decode_bin = GST_DECODE_BIN (object);
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if (decode_bin->factories)
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gst_plugin_feature_list_free (decode_bin->factories);
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g_value_array_free (decode_bin->factories);
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decode_bin->factories = NULL;
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if (decode_bin->activegroup) {
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@ -796,6 +734,8 @@ static gboolean
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gst_decode_bin_autoplug_continue (GstElement * element, GstPad * pad,
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GstCaps * caps)
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{
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GST_DEBUG_OBJECT (element, "autoplug-continue returns TRUE");
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/* by default we always continue */
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return TRUE;
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}
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@ -809,6 +749,8 @@ gst_decode_bin_autoplug_factories (GstElement * element, GstPad * pad,
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/* return all compatible factories for caps */
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result = find_compatibles (GST_DECODE_BIN (element), pad, caps);
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GST_DEBUG_OBJECT (element, "autoplug-factories returns %p", result);
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return result;
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}
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@ -819,6 +761,8 @@ gst_decode_bin_autoplug_select (GstElement * element, GstPad * pad,
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g_return_val_if_fail (factories != NULL, -1);
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g_return_val_if_fail (factories->n_values > 0, -1);
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GST_DEBUG_OBJECT (element, "default autoplug-select returns 0");
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/* Return first factory. */
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return 0;
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}
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@ -900,8 +844,15 @@ analyze_new_pad (GstDecodeBin * dbin, GstElement * src, GstPad * pad,
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g_signal_emit (G_OBJECT (dbin),
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gst_decode_bin_signals[SIGNAL_AUTOPLUG_FACTORIES], 0, pad, caps,
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&factories);
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if (factories == NULL) {
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/* NULL means that we can expose the pad */
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if (factories == NULL)
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goto expose_pad;
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/* if the array is empty, we have an unknown type */
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if (factories->n_values == 0) {
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/* no compatible factories */
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g_value_array_free (factories);
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goto unknown_type;
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}
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@ -1421,49 +1372,13 @@ caps_notify_group_cb (GstPad * pad, GParamSpec * unused, GstDecodeGroup * group)
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static GValueArray *
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find_compatibles (GstDecodeBin * decode_bin, GstPad * pad, const GstCaps * caps)
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{
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GList *factories;
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GValueArray *to_try = g_value_array_new (0);
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GValueArray *result;
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/* loop over all the factories */
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for (factories = decode_bin->factories; factories;
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factories = g_list_next (factories)) {
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GstElementFactory *factory = GST_ELEMENT_FACTORY (factories->data);
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const GList *templates;
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GList *walk;
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GST_DEBUG_OBJECT (decode_bin, "finding factories");
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/* get the templates from the element factory */
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templates = gst_element_factory_get_static_pad_templates (factory);
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for (walk = (GList *) templates; walk; walk = g_list_next (walk)) {
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GstStaticPadTemplate *templ = walk->data;
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result = gst_factory_list_filter (decode_bin->factories, caps);
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/* we only care about the sink templates */
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if (templ->direction == GST_PAD_SINK) {
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GstCaps *intersect;
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GstCaps *tmpl_caps;
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/* try to intersect the caps with the caps of the template */
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tmpl_caps = gst_static_caps_get (&templ->static_caps);
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intersect = gst_caps_intersect (caps, tmpl_caps);
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gst_caps_unref (tmpl_caps);
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/* check if the intersection is empty */
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if (!gst_caps_is_empty (intersect)) {
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/* non empty intersection, we can use this element */
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GValue val = { 0, };
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g_value_init (&val, G_TYPE_OBJECT);
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g_value_set_object (&val, factory);
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g_value_array_append (to_try, &val);
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g_value_unset (&val);
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gst_caps_unref (intersect);
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break;
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}
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gst_caps_unref (intersect);
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}
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}
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}
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return to_try;
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return result;
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}
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/* Decide whether an element is a demuxer based on the
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|
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254
gst/playback/gstfactorylists.c
Normal file
254
gst/playback/gstfactorylists.c
Normal file
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@ -0,0 +1,254 @@
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/* GStreamer
|
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* Copyright (C) <2007> Wim Taymans <wim.taymans@gmail.com>
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*
|
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* This library is free software; you can redistribute it and/or
|
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* modify it under the terms of the GNU Library General Public
|
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* License as published by the Free Software Foundation; either
|
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* version 2 of the License, or (at your option) any later version.
|
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*
|
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* This library is distributed in the hope that it will be useful,
|
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
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* Library General Public License for more details.
|
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*
|
||||
* You should have received a copy of the GNU Library General Public
|
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <string.h>
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#include "gstfactorylists.h"
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/* function used to sort element features. We first sort on the rank, then
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* on the element name (to get a consistent, predictable list) */
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static gint
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compare_ranks (GValue * v1, GValue * v2)
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{
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gint diff;
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const gchar *rname1, *rname2;
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GstPluginFeature *f1, *f2;
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f1 = g_value_get_object (v1);
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f2 = g_value_get_object (v2);
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diff = gst_plugin_feature_get_rank (f2) - gst_plugin_feature_get_rank (f1);
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if (diff != 0)
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return diff;
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rname1 = gst_plugin_feature_get_name (f1);
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rname2 = gst_plugin_feature_get_name (f2);
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diff = strcmp (rname2, rname1);
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return diff;
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}
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#if 0
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static void
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print_feature (GstPluginFeature * feature)
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{
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const gchar *rname;
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rname = gst_plugin_feature_get_name (feature);
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GST_DEBUG ("%s", rname);
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}
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#endif
|
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|
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/* get a filtered feature list as a GValueArray */
|
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static GValueArray *
|
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get_feature_array (GstPluginFeatureFilter filter)
|
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{
|
||||
GValueArray *result;
|
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GList *walk, *list;
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|
||||
result = g_value_array_new (0);
|
||||
|
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/* get the feature list using the filter */
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list = gst_default_registry_feature_filter (filter, FALSE, NULL);
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/* convert to an array */
|
||||
for (walk = list; walk; walk = g_list_next (walk)) {
|
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GstElementFactory *factory = GST_ELEMENT_FACTORY (walk->data);
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||||
GValue val = { 0, };
|
||||
|
||||
g_value_init (&val, G_TYPE_OBJECT);
|
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g_value_set_object (&val, factory);
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g_value_array_append (result, &val);
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||||
g_value_unset (&val);
|
||||
}
|
||||
gst_plugin_feature_list_free (list);
|
||||
|
||||
/* sort on rank and name */
|
||||
g_value_array_sort (result, (GCompareFunc) compare_ranks);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/* the filter function for selecting the elements we can use in
|
||||
* autoplugging */
|
||||
static gboolean
|
||||
decoders_filter (GstPluginFeature * feature)
|
||||
{
|
||||
guint rank;
|
||||
const gchar *klass;
|
||||
|
||||
/* we only care about element factories */
|
||||
if (!GST_IS_ELEMENT_FACTORY (feature))
|
||||
return FALSE;
|
||||
|
||||
klass = gst_element_factory_get_klass (GST_ELEMENT_FACTORY (feature));
|
||||
/* only demuxers, decoders, depayloaders and parsers can play */
|
||||
if (strstr (klass, "Demux") == NULL &&
|
||||
strstr (klass, "Decoder") == NULL &&
|
||||
strstr (klass, "Depayloader") == NULL &&
|
||||
strstr (klass, "Parse") == NULL) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/* only select elements with autoplugging rank */
|
||||
rank = gst_plugin_feature_get_rank (feature);
|
||||
if (rank < GST_RANK_MARGINAL)
|
||||
return FALSE;
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
/* the filter function for selecting the elements we can use in
|
||||
* autoplugging */
|
||||
static gboolean
|
||||
sinks_filter (GstPluginFeature * feature)
|
||||
{
|
||||
guint rank;
|
||||
const gchar *klass;
|
||||
|
||||
/* we only care about element factories */
|
||||
if (!GST_IS_ELEMENT_FACTORY (feature))
|
||||
return FALSE;
|
||||
|
||||
klass = gst_element_factory_get_klass (GST_ELEMENT_FACTORY (feature));
|
||||
/* only sinks can play */
|
||||
if (strstr (klass, "Sink") == NULL) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/* must be audio or video sink */
|
||||
if (strstr (klass, "Audio") == NULL && strstr (klass, "Video") == NULL) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/* only select elements with autoplugging rank */
|
||||
rank = gst_plugin_feature_get_rank (feature);
|
||||
if (rank < GST_RANK_MARGINAL)
|
||||
return FALSE;
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* gst_factory_list_get_decoders:
|
||||
*
|
||||
* Get a sorted list of factories that can be used in decoding pipelines.
|
||||
*
|
||||
* Returns: a #GValueArray of #GstElementFactory elements. Use
|
||||
* g_value_array_free() after usage.
|
||||
*/
|
||||
GValueArray *
|
||||
gst_factory_list_get_decoders (void)
|
||||
{
|
||||
GValueArray *result;
|
||||
|
||||
/* first filter out the interesting element factories */
|
||||
result = get_feature_array ((GstPluginFeatureFilter) decoders_filter);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_factory_list_get_sinks:
|
||||
*
|
||||
* Get a sorted list of factories that can be used as sinks in a decoding
|
||||
* pipeline.
|
||||
*
|
||||
* Returns: a #GValueArray of #GstElementFactory elements. Use
|
||||
* g_value_array_free() after usage.
|
||||
*/
|
||||
GValueArray *
|
||||
gst_factory_list_get_sinks (void)
|
||||
{
|
||||
GValueArray *result;
|
||||
|
||||
/* first filter out the interesting element factories */
|
||||
result = get_feature_array ((GstPluginFeatureFilter) sinks_filter);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_factory_list_filter:
|
||||
* @array: a #GValueArray to filter
|
||||
* @caps: a #GstCaps
|
||||
*
|
||||
* Filter out all the elementfactories in @array that can handle @caps as
|
||||
* input.
|
||||
*
|
||||
* Returns: a #GValueArray of #GstElementFactory elements. Use
|
||||
* g_value_array_free() after usage.
|
||||
*/
|
||||
GValueArray *
|
||||
gst_factory_list_filter (GValueArray * array, const GstCaps * caps)
|
||||
{
|
||||
GValueArray *result;
|
||||
gint i;
|
||||
|
||||
result = g_value_array_new (0);
|
||||
|
||||
GST_DEBUG ("finding factories");
|
||||
|
||||
/* loop over all the factories */
|
||||
for (i = 0; i < array->n_values; i++) {
|
||||
GValue *value;
|
||||
GstElementFactory *factory;
|
||||
const GList *templates;
|
||||
GList *walk;
|
||||
|
||||
value = g_value_array_get_nth (array, i);
|
||||
factory = g_value_get_object (value);
|
||||
|
||||
/* get the templates from the element factory */
|
||||
templates = gst_element_factory_get_static_pad_templates (factory);
|
||||
for (walk = (GList *) templates; walk; walk = g_list_next (walk)) {
|
||||
GstStaticPadTemplate *templ = walk->data;
|
||||
|
||||
/* we only care about the sink templates */
|
||||
if (templ->direction == GST_PAD_SINK) {
|
||||
GstCaps *intersect;
|
||||
GstCaps *tmpl_caps;
|
||||
|
||||
/* try to intersect the caps with the caps of the template */
|
||||
tmpl_caps = gst_static_caps_get (&templ->static_caps);
|
||||
|
||||
/* FIXME, intersect is not the right method, we ideally want to check
|
||||
* for a subset here */
|
||||
intersect = gst_caps_intersect (caps, tmpl_caps);
|
||||
gst_caps_unref (tmpl_caps);
|
||||
|
||||
/* check if the intersection is empty */
|
||||
if (!gst_caps_is_empty (intersect)) {
|
||||
/* non empty intersection, we can use this element */
|
||||
GValue resval = { 0, };
|
||||
g_value_init (&resval, G_TYPE_OBJECT);
|
||||
g_value_set_object (&resval, factory);
|
||||
g_value_array_append (result, &resval);
|
||||
g_value_unset (&resval);
|
||||
gst_caps_unref (intersect);
|
||||
break;
|
||||
}
|
||||
gst_caps_unref (intersect);
|
||||
}
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
35
gst/playback/gstfactorylists.h
Normal file
35
gst/playback/gstfactorylists.h
Normal file
|
@ -0,0 +1,35 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) <2007> Wim Taymans <wim.taymans@gmail.com>
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Library General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Library General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Library General Public
|
||||
* License along with this library; if not, write to the
|
||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
* Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
|
||||
#ifndef __GST_FACTORY_LISTS_H__
|
||||
#define __GST_FACTORY_LISTS_H__
|
||||
|
||||
#include <gst/gst.h>
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
GValueArray * gst_factory_list_get_decoders (void);
|
||||
GValueArray * gst_factory_list_get_sinks (void);
|
||||
|
||||
GValueArray * gst_factory_list_filter (GValueArray *array, const GstCaps *caps);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* __GST_FACTORY_LISTS_H__ */
|
|
@ -345,7 +345,7 @@ static const GstElementDetails gst_play_bin_details =
|
|||
GST_ELEMENT_DETAILS ("Player Bin",
|
||||
"Generic/Bin/Player",
|
||||
"Autoplug and play media from an uri",
|
||||
"Wim Taymans <wim@fluendo.com>");
|
||||
"Wim Taymans <wim.taymans@gmail.com>");
|
||||
|
||||
static GType
|
||||
gst_play_bin_get_type (void)
|
||||
|
|
|
@ -249,6 +249,7 @@
|
|||
#include <gst/pbutils/pbutils.h>
|
||||
|
||||
#include "gstplaysink.h"
|
||||
#include "gstfactorylists.h"
|
||||
#include "gststreaminfo.h"
|
||||
#include "gststreamselector.h"
|
||||
|
||||
|
@ -319,6 +320,9 @@ struct _GstPlayBin
|
|||
|
||||
/* our play sink */
|
||||
GstPlaySink *playsink;
|
||||
|
||||
GValueArray *elements; /* factories we can use for selecting sinks */
|
||||
GValueArray *sinks; /* factories we can use for selecting sinks */
|
||||
};
|
||||
|
||||
struct _GstPlayBinClass
|
||||
|
@ -360,7 +364,7 @@ enum
|
|||
|
||||
static void gst_play_bin_class_init (GstPlayBinClass * klass);
|
||||
static void gst_play_bin_init (GstPlayBin * play_bin);
|
||||
static void gst_play_bin_dispose (GObject * object);
|
||||
static void gst_play_bin_finalize (GObject * object);
|
||||
|
||||
static void gst_play_bin_set_property (GObject * object, guint prop_id,
|
||||
const GValue * value, GParamSpec * spec);
|
||||
|
@ -379,10 +383,10 @@ static GstElementClass *parent_class;
|
|||
static guint gst_play_bin_signals[LAST_SIGNAL] = { 0 };
|
||||
|
||||
static const GstElementDetails gst_play_bin_details =
|
||||
GST_ELEMENT_DETAILS ("Player Bin",
|
||||
GST_ELEMENT_DETAILS ("Player Bin 2",
|
||||
"Generic/Bin/Player",
|
||||
"Autoplug and play media from an uri",
|
||||
"Wim Taymans <wim@fluendo.com>");
|
||||
"Wim Taymans <wim.taymans@gmail.com>");
|
||||
|
||||
static GType
|
||||
gst_play_bin_get_type (void)
|
||||
|
@ -426,7 +430,7 @@ gst_play_bin_class_init (GstPlayBinClass * klass)
|
|||
gobject_klass->set_property = gst_play_bin_set_property;
|
||||
gobject_klass->get_property = gst_play_bin_get_property;
|
||||
|
||||
gobject_klass->dispose = GST_DEBUG_FUNCPTR (gst_play_bin_dispose);
|
||||
gobject_klass->finalize = GST_DEBUG_FUNCPTR (gst_play_bin_finalize);
|
||||
|
||||
g_object_class_install_property (gobject_klass, PROP_URI,
|
||||
g_param_spec_string ("uri", "URI", "URI of the media to play",
|
||||
|
@ -545,16 +549,23 @@ gst_play_bin_init (GstPlayBin * playbin)
|
|||
playbin->next_group = &playbin->groups[1];
|
||||
init_group (playbin, &playbin->groups[0]);
|
||||
init_group (playbin, &playbin->groups[1]);
|
||||
|
||||
/* first filter out the interesting element factories */
|
||||
playbin->sinks = gst_factory_list_get_sinks ();
|
||||
|
||||
/* get the caps */
|
||||
}
|
||||
|
||||
static void
|
||||
gst_play_bin_dispose (GObject * object)
|
||||
gst_play_bin_finalize (GObject * object)
|
||||
{
|
||||
GstPlayBin *play_bin;
|
||||
|
||||
play_bin = GST_PLAY_BIN (object);
|
||||
|
||||
G_OBJECT_CLASS (parent_class)->dispose (object);
|
||||
g_value_array_free (play_bin->sinks);
|
||||
|
||||
G_OBJECT_CLASS (parent_class)->finalize (object);
|
||||
}
|
||||
|
||||
static void
|
||||
|
@ -938,6 +949,25 @@ drained_cb (GstElement * decodebin, GstSourceGroup * group)
|
|||
}
|
||||
}
|
||||
|
||||
/* a callback is called */
|
||||
static GValueArray *
|
||||
autoplug_factories_cb (GstElement * decodebin, GstPad * pad,
|
||||
GstCaps * caps, GstSourceGroup * group)
|
||||
{
|
||||
GstPlayBin *playbin;
|
||||
GValueArray *result = NULL;
|
||||
|
||||
playbin = group->playbin;
|
||||
|
||||
GST_DEBUG_OBJECT (playbin, "continue group %p for %s:%s, %" GST_PTR_FORMAT,
|
||||
group, GST_DEBUG_PAD_NAME (pad), caps);
|
||||
|
||||
|
||||
GST_DEBUG_OBJECT (playbin, "found factories %p", result);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/* unlink a group of uridecodebins from the sink */
|
||||
static void
|
||||
unlink_group (GstPlayBin * playbin, GstSourceGroup * group)
|
||||
|
@ -992,6 +1022,11 @@ activate_group (GstPlayBin * playbin, GstSourceGroup * group)
|
|||
* next uri */
|
||||
g_signal_connect (uridecodebin, "drained", G_CALLBACK (drained_cb), group);
|
||||
|
||||
/* will be called when a new media type is found. We will see if we have a
|
||||
* working sink that can natively handle this format. */
|
||||
g_signal_connect (uridecodebin, "autoplug-factories",
|
||||
G_CALLBACK (autoplug_factories_cb), group);
|
||||
|
||||
/* */
|
||||
gst_bin_add (GST_BIN_CAST (playbin), uridecodebin);
|
||||
group->uridecodebin = uridecodebin;
|
||||
|
|
|
@ -60,7 +60,8 @@
|
|||
static const GstElementDetails gst_queue_details = GST_ELEMENT_DETAILS ("Queue",
|
||||
"Generic",
|
||||
"Simple data queue",
|
||||
"Erik Walthinsen <omega@cse.ogi.edu>, " "Wim Taymans <wim@fluendo.com>");
|
||||
"Erik Walthinsen <omega@cse.ogi.edu>, "
|
||||
"Wim Taymans <wim.taymans@gmail.com>");
|
||||
|
||||
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
|
||||
GST_PAD_SINK,
|
||||
|
|
|
@ -104,7 +104,7 @@ static const GstElementDetails gst_uri_decode_bin_details =
|
|||
GST_ELEMENT_DETAILS ("URI Decoder",
|
||||
"Generic/Bin/Decoder",
|
||||
"Autoplug and decode an URI to raw media",
|
||||
"Wim Taymans <wim@fluendo.com>");
|
||||
"Wim Taymans <wim.taymans@gmail.com>");
|
||||
|
||||
/* signals */
|
||||
enum
|
||||
|
@ -835,6 +835,8 @@ static void
|
|||
proxy_unknown_type_signal (GstElement * element, GstPad * pad, GstCaps * caps,
|
||||
GstURIDecodeBin * dec)
|
||||
{
|
||||
GST_DEBUG_OBJECT (dec, "unknown-type signaled");
|
||||
|
||||
g_signal_emit (G_OBJECT (dec),
|
||||
gst_uri_decode_bin_signals[SIGNAL_UNKNOWN_TYPE], 0, pad, caps);
|
||||
}
|
||||
|
@ -848,6 +850,9 @@ proxy_autoplug_continue_signal (GstElement * element, GstPad * pad,
|
|||
g_signal_emit (G_OBJECT (dec),
|
||||
gst_uri_decode_bin_signals[SIGNAL_AUTOPLUG_CONTINUE], 0, pad, caps,
|
||||
&result);
|
||||
|
||||
GST_DEBUG_OBJECT (dec, "autoplug-continue returned %d", result);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
|
@ -855,11 +860,14 @@ static GValueArray *
|
|||
proxy_autoplug_factories_signal (GstElement * element, GstPad * pad,
|
||||
GstCaps * caps, GstURIDecodeBin * dec)
|
||||
{
|
||||
GValueArray *result;
|
||||
GValueArray *result = NULL;
|
||||
|
||||
g_signal_emit (G_OBJECT (dec),
|
||||
gst_uri_decode_bin_signals[SIGNAL_AUTOPLUG_FACTORIES], 0, pad, caps,
|
||||
&result);
|
||||
|
||||
GST_DEBUG_OBJECT (dec, "autoplug-factories returned %p", result);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
|
@ -872,12 +880,17 @@ proxy_autoplug_select_signal (GstElement * element, GstPad * pad,
|
|||
g_signal_emit (G_OBJECT (dec),
|
||||
gst_uri_decode_bin_signals[SIGNAL_AUTOPLUG_SELECT], 0, pad, caps, array,
|
||||
&result);
|
||||
|
||||
GST_DEBUG_OBJECT (dec, "autoplug-select returned %d", result);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
static void
|
||||
proxy_drained_signal (GstElement * element, GstURIDecodeBin * dec)
|
||||
{
|
||||
GST_DEBUG_OBJECT (dec, "drained signaled");
|
||||
|
||||
g_signal_emit (G_OBJECT (dec),
|
||||
gst_uri_decode_bin_signals[SIGNAL_DRAINED], 0, NULL);
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue