diff --git a/gst/playback/Makefile.am b/gst/playback/Makefile.am index 180bf5f7c9..9603dab8fe 100644 --- a/gst/playback/Makefile.am +++ b/gst/playback/Makefile.am @@ -6,7 +6,6 @@ libgstplayback_la_SOURCES = \ gstdecodebin2.c \ gstdecodebin3.c \ gsturidecodebin.c \ - gsturidecodebin3.c \ gsturisourcebin.c \ gstparsebin.c \ gstplayback.c \ diff --git a/gst/playback/gstplayback.c b/gst/playback/gstplayback.c index 3c3efa52e3..4789db6df4 100644 --- a/gst/playback/gstplayback.c +++ b/gst/playback/gstplayback.c @@ -63,7 +63,6 @@ plugin_init (GstPlugin * plugin) res &= gst_decode_bin_plugin_init (plugin); res &= gst_decodebin3_plugin_init (plugin); res &= gst_uri_decode_bin_plugin_init (plugin); - res &= gst_uri_decode_bin3_plugin_init (plugin); res &= gst_uri_source_bin_plugin_init (plugin); res &= gst_parse_bin_plugin_init (plugin); diff --git a/gst/playback/gstplayback.h b/gst/playback/gstplayback.h index 26e3683cfd..eaa0564ba5 100644 --- a/gst/playback/gstplayback.h +++ b/gst/playback/gstplayback.h @@ -26,7 +26,6 @@ gboolean gst_decode_bin_plugin_init (GstPlugin * plugin); gboolean gst_decodebin3_plugin_init (GstPlugin * plugin); gboolean gst_uri_decode_bin_plugin_init (GstPlugin * plugin); -gboolean gst_uri_decode_bin3_plugin_init (GstPlugin * plugin); gboolean gst_uri_source_bin_plugin_init (GstPlugin * plugin); gboolean gst_parse_bin_plugin_init (GstPlugin * plugin); diff --git a/gst/playback/gsturidecodebin3.c b/gst/playback/gsturidecodebin3.c deleted file mode 100644 index af857e666f..0000000000 --- a/gst/playback/gsturidecodebin3.c +++ /dev/null @@ -1,2833 +0,0 @@ -/* GStreamer - * Copyright (C) <2007> Wim Taymans - * - * 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., 51 Franklin St, Fifth Floor, - * Boston, MA 02110-1301, USA. - */ - -/** - * SECTION:element-uridecodebin - * - * Decodes data from a URI into raw media. It selects a source element that can - * handle the given #GstURIDecodeBin3:uri scheme and connects it to a decodebin. - */ - -/* FIXME 0.11: suppress warnings for deprecated API such as GValueArray - * with newer GLib versions (>= 2.31.0) */ -#define GLIB_DISABLE_DEPRECATION_WARNINGS - -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - -#include - -#include -#include -#include - -#include "gstplay-enum.h" -#include "gstrawcaps.h" -#include "gstplayback.h" - -/* From gstdecodebin2.c */ -gint _decode_bin_compare_factories_func (gconstpointer p1, gconstpointer p2); - -#define GST_TYPE_URI_DECODE_BIN3 \ - (gst_uri_decode_bin3_get_type()) -#define GST_URI_DECODE_BIN3(obj) \ - (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_URI_DECODE_BIN3,GstURIDecodeBin3)) -#define GST_URI_DECODE_BIN3_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_URI_DECODE_BIN3,GstURIDecodeBin3Class)) -#define GST_IS_URI_DECODE_BIN3(obj) \ - (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_URI_DECODE_BIN3)) -#define GST_IS_URI_DECODE_BIN3_CLASS(klass) \ - (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_URI_DECODE_BIN3)) -#define GST_URI_DECODE_BIN3_CAST(obj) ((GstURIDecodeBin3 *) (obj)) - -typedef struct _GstURIDecodeBin3 GstURIDecodeBin3; -typedef struct _GstURIDecodeBin3Class GstURIDecodeBin3Class; - -#define GST_URI_DECODE_BIN3_LOCK(dec) (g_mutex_lock(&((GstURIDecodeBin3*)(dec))->lock)) -#define GST_URI_DECODE_BIN3_UNLOCK(dec) (g_mutex_unlock(&((GstURIDecodeBin3*)(dec))->lock)) - -typedef struct _GstURIDecodeBin3Stream -{ - gulong probe_id; - guint bitrate; -} GstURIDecodeBin3Stream; - -/** - * GstURIDecodeBin3 - * - * uridecodebin element struct - */ -struct _GstURIDecodeBin3 -{ - GstBin parent_instance; - - GMutex lock; /* lock for constructing */ - - GMutex factories_lock; - guint32 factories_cookie; - GList *factories; /* factories we can use for selecting elements */ - - gchar *uri; - guint64 connection_speed; - GstCaps *caps; - gchar *encoding; - - gboolean is_stream; - gboolean is_adaptive; - gboolean need_queue; - guint64 buffer_duration; /* When buffering, buffer duration (ns) */ - guint buffer_size; /* When buffering, buffer size (bytes) */ - gboolean download; - gboolean use_buffering; - - GstElement *source; - GstElement *queue; - GstElement *typefind; - guint have_type_id; /* have-type signal id from typefind */ - GSList *decodebins; - GSList *pending_decodebins; - GHashTable *streams; - guint numpads; - - /* for dynamic sources */ - guint src_np_sig_id; /* new-pad signal id */ - guint src_nmp_sig_id; /* no-more-pads signal id */ - gint pending; - GList *missing_plugin_errors; - - gboolean async_pending; /* async-start has been emitted */ - - gboolean expose_allstreams; /* Whether to expose unknow type streams or not */ - - guint64 ring_buffer_max_size; /* 0 means disabled */ -}; - -struct _GstURIDecodeBin3Class -{ - GstBinClass parent_class; - - /* signal fired when we found a pad that we cannot decode */ - void (*unknown_type) (GstElement * element, GstPad * pad, GstCaps * caps); - - /* signal fired to know if we continue trying to decode the given caps */ - gboolean (*autoplug_continue) (GstElement * element, GstPad * pad, - GstCaps * caps); - /* signal fired to get a list of factories to try to autoplug */ - GValueArray *(*autoplug_factories) (GstElement * element, GstPad * pad, - GstCaps * caps); - /* signal fired to sort the factories */ - GValueArray *(*autoplug_sort) (GstElement * element, GstPad * pad, - GstCaps * caps, GValueArray * factories); - /* signal fired to select from the proposed list of factories */ - GstAutoplugSelectResult (*autoplug_select) (GstElement * element, - GstPad * pad, GstCaps * caps, GstElementFactory * factory); - /* signal fired when a autoplugged element that is not linked downstream - * or exposed wants to query something */ - gboolean (*autoplug_query) (GstElement * element, GstPad * pad, - GstQuery * query); - - /* emitted when all data is decoded */ - void (*drained) (GstElement * element); -}; - -static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src_%u", - GST_PAD_SRC, - GST_PAD_SOMETIMES, - GST_STATIC_CAPS_ANY); - -static GstStaticCaps default_raw_caps = GST_STATIC_CAPS (DEFAULT_RAW_CAPS); - -GST_DEBUG_CATEGORY_STATIC (gst_uri_decode_bin3_debug); -#define GST_CAT_DEFAULT gst_uri_decode_bin3_debug - -/* signals */ -enum -{ - SIGNAL_UNKNOWN_TYPE, - SIGNAL_AUTOPLUG_CONTINUE, - SIGNAL_AUTOPLUG_FACTORIES, - SIGNAL_AUTOPLUG_SELECT, - SIGNAL_AUTOPLUG_SORT, - SIGNAL_AUTOPLUG_QUERY, - SIGNAL_DRAINED, - SIGNAL_SOURCE_SETUP, - LAST_SIGNAL -}; - -/* properties */ -#define DEFAULT_PROP_URI NULL -#define DEFAULT_PROP_SOURCE NULL -#define DEFAULT_CONNECTION_SPEED 0 -#define DEFAULT_CAPS (gst_static_caps_get (&default_raw_caps)) -#define DEFAULT_SUBTITLE_ENCODING NULL -#define DEFAULT_BUFFER_DURATION -1 -#define DEFAULT_BUFFER_SIZE -1 -#define DEFAULT_DOWNLOAD FALSE -#define DEFAULT_USE_BUFFERING FALSE -#define DEFAULT_EXPOSE_ALL_STREAMS TRUE -#define DEFAULT_RING_BUFFER_MAX_SIZE 0 - -enum -{ - PROP_0, - PROP_URI, - PROP_SOURCE, - PROP_CONNECTION_SPEED, - PROP_CAPS, - PROP_SUBTITLE_ENCODING, - PROP_BUFFER_SIZE, - PROP_BUFFER_DURATION, - PROP_DOWNLOAD, - PROP_USE_BUFFERING, - PROP_EXPOSE_ALL_STREAMS, - PROP_RING_BUFFER_MAX_SIZE -}; - -static guint gst_uri_decode_bin3_signals[LAST_SIGNAL] = { 0 }; - -GType gst_uri_decode_bin3_get_type (void); -#define gst_uri_decode_bin3_parent_class parent_class -G_DEFINE_TYPE (GstURIDecodeBin3, gst_uri_decode_bin3, GST_TYPE_BIN); - -static void remove_decoders (GstURIDecodeBin3 * bin, gboolean force); -static void gst_uri_decode_bin3_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec); -static void gst_uri_decode_bin3_get_property (GObject * object, guint prop_id, - GValue * value, GParamSpec * pspec); -static void gst_uri_decode_bin3_finalize (GObject * obj); - -static void handle_message (GstBin * bin, GstMessage * msg); - -static gboolean gst_uri_decode_bin3_query (GstElement * element, - GstQuery * query); -static GstStateChangeReturn gst_uri_decode_bin3_change_state (GstElement * - element, GstStateChange transition); - -static gboolean -_gst_boolean_accumulator (GSignalInvocationHint * ihint, - GValue * return_accu, const GValue * handler_return, gpointer dummy) -{ - gboolean myboolean; - - myboolean = g_value_get_boolean (handler_return); - if (!(ihint->run_type & G_SIGNAL_RUN_CLEANUP)) - g_value_set_boolean (return_accu, myboolean); - - /* stop emission if FALSE */ - return myboolean; -} - -static gboolean -_gst_boolean_or_accumulator (GSignalInvocationHint * ihint, - GValue * return_accu, const GValue * handler_return, gpointer dummy) -{ - gboolean myboolean; - gboolean retboolean; - - myboolean = g_value_get_boolean (handler_return); - retboolean = g_value_get_boolean (return_accu); - - if (!(ihint->run_type & G_SIGNAL_RUN_CLEANUP)) - g_value_set_boolean (return_accu, myboolean || retboolean); - - return TRUE; -} - -static gboolean -_gst_array_accumulator (GSignalInvocationHint * ihint, - GValue * return_accu, const GValue * handler_return, gpointer dummy) -{ - gpointer array; - - array = g_value_get_boxed (handler_return); - if (!(ihint->run_type & G_SIGNAL_RUN_CLEANUP)) - g_value_set_boxed (return_accu, array); - - return FALSE; -} - -static gboolean -_gst_select_accumulator (GSignalInvocationHint * ihint, - GValue * return_accu, const GValue * handler_return, gpointer dummy) -{ - GstAutoplugSelectResult res; - - res = g_value_get_enum (handler_return); - if (!(ihint->run_type & G_SIGNAL_RUN_CLEANUP)) - g_value_set_enum (return_accu, res); - - /* Call the next handler in the chain (if any) when the current callback - * returns TRY. This makes it possible to register separate autoplug-select - * handlers that implement different TRY/EXPOSE/SKIP strategies. - */ - if (res == GST_AUTOPLUG_SELECT_TRY) - return TRUE; - - return FALSE; -} - -static gboolean -_gst_array_hasvalue_accumulator (GSignalInvocationHint * ihint, - GValue * return_accu, const GValue * handler_return, gpointer dummy) -{ - gpointer array; - - array = g_value_get_boxed (handler_return); - if (!(ihint->run_type & G_SIGNAL_RUN_CLEANUP)) - g_value_set_boxed (return_accu, array); - - if (array != NULL) - return FALSE; - - return TRUE; -} - -static gboolean -gst_uri_decode_bin3_autoplug_continue (GstElement * element, GstPad * pad, - GstCaps * caps) -{ - /* by default we always continue */ - return TRUE; -} - -/* Must be called with factories lock! */ -static void -gst_uri_decode_bin3_update_factories_list (GstURIDecodeBin3 * dec) -{ - guint32 cookie; - - cookie = gst_registry_get_feature_list_cookie (gst_registry_get ()); - if (!dec->factories || dec->factories_cookie != cookie) { - if (dec->factories) - gst_plugin_feature_list_free (dec->factories); - dec->factories = - gst_element_factory_list_get_elements - (GST_ELEMENT_FACTORY_TYPE_DECODABLE, GST_RANK_MARGINAL); - dec->factories = - g_list_sort (dec->factories, _decode_bin_compare_factories_func); - dec->factories_cookie = cookie; - } -} - -static GValueArray * -gst_uri_decode_bin3_autoplug_factories (GstElement * element, GstPad * pad, - GstCaps * caps) -{ - GList *list, *tmp; - GValueArray *result; - GstURIDecodeBin3 *dec = GST_URI_DECODE_BIN3_CAST (element); - - GST_DEBUG_OBJECT (element, "finding factories"); - - /* return all compatible factories for caps */ - g_mutex_lock (&dec->factories_lock); - gst_uri_decode_bin3_update_factories_list (dec); - list = - gst_element_factory_list_filter (dec->factories, caps, GST_PAD_SINK, - gst_caps_is_fixed (caps)); - g_mutex_unlock (&dec->factories_lock); - - result = g_value_array_new (g_list_length (list)); - for (tmp = list; tmp; tmp = tmp->next) { - GstElementFactory *factory = GST_ELEMENT_FACTORY_CAST (tmp->data); - GValue val = { 0, }; - - g_value_init (&val, G_TYPE_OBJECT); - g_value_set_object (&val, factory); - g_value_array_append (result, &val); - g_value_unset (&val); - } - gst_plugin_feature_list_free (list); - - GST_DEBUG_OBJECT (element, "autoplug-factories returns %p", result); - - return result; -} - -static GValueArray * -gst_uri_decode_bin3_autoplug_sort (GstElement * element, GstPad * pad, - GstCaps * caps, GValueArray * factories) -{ - return NULL; -} - -static GstAutoplugSelectResult -gst_uri_decode_bin3_autoplug_select (GstElement * element, GstPad * pad, - GstCaps * caps, GstElementFactory * factory) -{ - GST_DEBUG_OBJECT (element, "default autoplug-select returns TRY"); - - /* Try factory. */ - return GST_AUTOPLUG_SELECT_TRY; -} - -static gboolean -gst_uri_decode_bin3_autoplug_query (GstElement * element, GstPad * pad, - GstQuery * query) -{ - /* No query handled here */ - return FALSE; -} - -static void -gst_uri_decode_bin3_class_init (GstURIDecodeBin3Class * klass) -{ - GObjectClass *gobject_class; - GstElementClass *gstelement_class; - GstBinClass *gstbin_class; - - gobject_class = G_OBJECT_CLASS (klass); - gstelement_class = GST_ELEMENT_CLASS (klass); - gstbin_class = GST_BIN_CLASS (klass); - - gobject_class->set_property = gst_uri_decode_bin3_set_property; - gobject_class->get_property = gst_uri_decode_bin3_get_property; - gobject_class->finalize = gst_uri_decode_bin3_finalize; - - g_object_class_install_property (gobject_class, PROP_URI, - g_param_spec_string ("uri", "URI", "URI to decode", - DEFAULT_PROP_URI, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - - g_object_class_install_property (gobject_class, PROP_SOURCE, - g_param_spec_object ("source", "Source", "Source object used", - GST_TYPE_ELEMENT, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); - - g_object_class_install_property (gobject_class, PROP_CONNECTION_SPEED, - g_param_spec_uint64 ("connection-speed", "Connection Speed", - "Network connection speed in kbps (0 = unknown)", - 0, G_MAXUINT64 / 1000, DEFAULT_CONNECTION_SPEED, - G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - - g_object_class_install_property (gobject_class, PROP_CAPS, - g_param_spec_boxed ("caps", "Caps", - "The caps on which to stop decoding. (NULL = default)", - GST_TYPE_CAPS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - - g_object_class_install_property (gobject_class, PROP_SUBTITLE_ENCODING, - g_param_spec_string ("subtitle-encoding", "subtitle encoding", - "Encoding to assume if input subtitles are not in UTF-8 encoding. " - "If not set, the GST_SUBTITLE_ENCODING environment variable will " - "be checked for an encoding to use. If that is not set either, " - "ISO-8859-15 will be assumed.", NULL, - G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - - g_object_class_install_property (gobject_class, PROP_BUFFER_SIZE, - g_param_spec_int ("buffer-size", "Buffer size (bytes)", - "Buffer size when buffering streams (-1 default value)", - -1, G_MAXINT, DEFAULT_BUFFER_SIZE, - G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - g_object_class_install_property (gobject_class, PROP_BUFFER_DURATION, - g_param_spec_int64 ("buffer-duration", "Buffer duration (ns)", - "Buffer duration when buffering streams (-1 default value)", - -1, G_MAXINT64, DEFAULT_BUFFER_DURATION, - G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - - /** - * GstURIDecodeBin3::download: - * - * For certain media type, enable download buffering. - */ - g_object_class_install_property (gobject_class, PROP_DOWNLOAD, - g_param_spec_boolean ("download", "Download", - "Attempt download buffering when buffering network streams", - DEFAULT_DOWNLOAD, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - /** - * GstURIDecodeBin3::use-buffering: - * - * Emit BUFFERING messages based on low-/high-percent thresholds of the - * demuxed or parsed data. - * When download buffering is activated and used for the current media - * type, this property does nothing. Otherwise perform buffering on the - * demuxed or parsed media. - * - * Since: 0.10.26 - */ - g_object_class_install_property (gobject_class, PROP_USE_BUFFERING, - g_param_spec_boolean ("use-buffering", "Use Buffering", - "Perform buffering on demuxed/parsed media", - DEFAULT_USE_BUFFERING, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - - /** - * GstURIDecodeBin3::expose-all-streams - * - * Expose streams of unknown type. - * - * If set to %FALSE, then only the streams that can be decoded to the final - * caps (see 'caps' property) will have a pad exposed. Streams that do not - * match those caps but could have been decoded will not have decoder plugged - * in internally and will not have a pad exposed. - * - * Since: 0.10.30 - */ - g_object_class_install_property (gobject_class, PROP_EXPOSE_ALL_STREAMS, - g_param_spec_boolean ("expose-all-streams", "Expose All Streams", - "Expose all streams, including those of unknown type or that don't match the 'caps' property", - DEFAULT_EXPOSE_ALL_STREAMS, - G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - - /** - * GstURIDecodeBin3::ring-buffer-max-size - * - * The maximum size of the ring buffer in kilobytes. If set to 0, the ring - * buffer is disabled. Default is 0. - * - * Since: 0.10.31 - */ - g_object_class_install_property (gobject_class, PROP_RING_BUFFER_MAX_SIZE, - g_param_spec_uint64 ("ring-buffer-max-size", - "Max. ring buffer size (bytes)", - "Max. amount of data in the ring buffer (bytes, 0 = ring buffer disabled)", - 0, G_MAXUINT, DEFAULT_RING_BUFFER_MAX_SIZE, - G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - - /** - * GstURIDecodeBin3::unknown-type: - * @bin: The uridecodebin. - * @pad: the new pad containing caps that cannot be resolved to a 'final'. - * stream type. - * @caps: the #GstCaps of the pad that cannot be resolved. - * - * This signal is emitted when a pad for which there is no further possible - * decoding is added to the uridecodebin. - */ - gst_uri_decode_bin3_signals[SIGNAL_UNKNOWN_TYPE] = - g_signal_new ("unknown-type", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstURIDecodeBin3Class, unknown_type), - NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 2, - GST_TYPE_PAD, GST_TYPE_CAPS); - - /** - * GstURIDecodeBin3::autoplug-continue: - * @bin: The uridecodebin. - * @pad: The #GstPad. - * @caps: The #GstCaps found. - * - * This signal is emitted whenever uridecodebin finds a new stream. It is - * emitted before looking for any elements that can handle that stream. - * - * - * Invocation of signal handlers stops after the first signal handler - * returns #FALSE. Signal handlers are invoked in the order they were - * connected in. - * - * - * Returns: #TRUE if you wish uridecodebin to look for elements that can - * handle the given @caps. If #FALSE, those caps will be considered as - * final and the pad will be exposed as such (see 'pad-added' signal of - * #GstElement). - */ - gst_uri_decode_bin3_signals[SIGNAL_AUTOPLUG_CONTINUE] = - g_signal_new ("autoplug-continue", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstURIDecodeBin3Class, - autoplug_continue), _gst_boolean_accumulator, NULL, - g_cclosure_marshal_generic, G_TYPE_BOOLEAN, 2, GST_TYPE_PAD, - GST_TYPE_CAPS); - - /** - * GstURIDecodeBin3::autoplug-factories: - * @bin: The uridecodebin. - * @pad: The #GstPad. - * @caps: The #GstCaps found. - * - * This function is emitted when an array of possible factories for @caps on - * @pad is needed. Uridecodebin will by default return an array with all - * compatible factories, sorted by rank. - * - * If this function returns NULL, @pad will be exposed as a final caps. - * - * If this function returns an empty array, the pad will be considered as - * having an unhandled type media type. - * - * - * Only the signal handler that is connected first will ever by invoked. - * Don't connect signal handlers with the #G_CONNECT_AFTER flag to this - * signal, they will never be invoked! - * - * - * Returns: a #GValueArray* with a list of factories to try. The factories are - * by default tried in the returned order or based on the index returned by - * "autoplug-select". - */ - gst_uri_decode_bin3_signals[SIGNAL_AUTOPLUG_FACTORIES] = - g_signal_new ("autoplug-factories", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstURIDecodeBin3Class, - autoplug_factories), _gst_array_accumulator, NULL, - g_cclosure_marshal_generic, G_TYPE_VALUE_ARRAY, 2, - GST_TYPE_PAD, GST_TYPE_CAPS); - - /** - * GstURIDecodeBin3::autoplug-sort: - * @bin: The uridecodebin. - * @pad: The #GstPad. - * @caps: The #GstCaps. - * @factories: A #GValueArray of possible #GstElementFactory to use. - * - * Once decodebin has found the possible #GstElementFactory objects to try - * for @caps on @pad, this signal is emited. The purpose of the signal is for - * the application to perform additional sorting or filtering on the element - * factory array. - * - * The callee should copy and modify @factories or return #NULL if the - * order should not change. - * - * - * Invocation of signal handlers stops after one signal handler has - * returned something else than #NULL. Signal handlers are invoked in - * the order they were connected in. - * Don't connect signal handlers with the #G_CONNECT_AFTER flag to this - * signal, they will never be invoked! - * - * - * Returns: A new sorted array of #GstElementFactory objects. - * - * Since: 0.10.33 - */ - gst_uri_decode_bin3_signals[SIGNAL_AUTOPLUG_SORT] = - g_signal_new ("autoplug-sort", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstURIDecodeBin3Class, autoplug_sort), - _gst_array_hasvalue_accumulator, NULL, - g_cclosure_marshal_generic, G_TYPE_VALUE_ARRAY, 3, GST_TYPE_PAD, - GST_TYPE_CAPS, G_TYPE_VALUE_ARRAY | G_SIGNAL_TYPE_STATIC_SCOPE); - - /** - * GstURIDecodeBin3::autoplug-select: - * @bin: The uridecodebin. - * @pad: The #GstPad. - * @caps: The #GstCaps. - * @factory: A #GstElementFactory to use. - * - * This signal is emitted once uridecodebin has found all the possible - * #GstElementFactory that can be used to handle the given @caps. For each of - * those factories, this signal is emitted. - * - * The signal handler should return a #GST_TYPE_AUTOPLUG_SELECT_RESULT enum - * value indicating what decodebin should do next. - * - * A value of #GST_AUTOPLUG_SELECT_TRY will try to autoplug an element from - * @factory. - * - * A value of #GST_AUTOPLUG_SELECT_EXPOSE will expose @pad without plugging - * any element to it. - * - * A value of #GST_AUTOPLUG_SELECT_SKIP will skip @factory and move to the - * next factory. - * - * - * The signal handler will not be invoked if any of the previously - * registered signal handlers (if any) return a value other than - * GST_AUTOPLUG_SELECT_TRY. Which also means that if you return - * GST_AUTOPLUG_SELECT_TRY from one signal handler, handlers that get - * registered next (again, if any) can override that decision. - * - * - * Returns: a #GST_TYPE_AUTOPLUG_SELECT_RESULT that indicates the required - * operation. The default handler will always return - * #GST_AUTOPLUG_SELECT_TRY. - */ - gst_uri_decode_bin3_signals[SIGNAL_AUTOPLUG_SELECT] = - g_signal_new ("autoplug-select", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstURIDecodeBin3Class, - autoplug_select), _gst_select_accumulator, NULL, - g_cclosure_marshal_generic, - GST_TYPE_AUTOPLUG_SELECT_RESULT, 3, GST_TYPE_PAD, GST_TYPE_CAPS, - GST_TYPE_ELEMENT_FACTORY); - - /** - * GstDecodeBin::autoplug-query: - * @bin: The decodebin. - * @child: The child element doing the query - * @pad: The #GstPad. - * @query: The #GstQuery. - * - * This signal is emitted whenever an autoplugged element that is - * not linked downstream yet and not exposed does a query. It can - * be used to tell the element about the downstream supported caps - * for example. - * - * Returns: #TRUE if the query was handled, #FALSE otherwise. - */ - gst_uri_decode_bin3_signals[SIGNAL_AUTOPLUG_QUERY] = - g_signal_new ("autoplug-query", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstURIDecodeBin3Class, - autoplug_query), _gst_boolean_or_accumulator, NULL, - g_cclosure_marshal_generic, G_TYPE_BOOLEAN, 3, GST_TYPE_PAD, - GST_TYPE_ELEMENT, GST_TYPE_QUERY | G_SIGNAL_TYPE_STATIC_SCOPE); - - /** - * GstURIDecodeBin3::drained: - * - * This signal is emitted when the data for the current uri is played. - */ - gst_uri_decode_bin3_signals[SIGNAL_DRAINED] = - g_signal_new ("drained", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GstURIDecodeBin3Class, drained), NULL, NULL, - g_cclosure_marshal_generic, G_TYPE_NONE, 0, G_TYPE_NONE); - - /** - * GstURIDecodeBin3::source-setup: - * @bin: the uridecodebin. - * @source: source element - * - * This signal is emitted after the source element has been created, so - * it can be configured by setting additional properties (e.g. set a - * proxy server for an http source, or set the device and read speed for - * an audio cd source). This is functionally equivalent to connecting to - * the notify::source signal, but more convenient. - * - * Since: 0.10.33 - */ - gst_uri_decode_bin3_signals[SIGNAL_SOURCE_SETUP] = - g_signal_new ("source-setup", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST, 0, NULL, NULL, - g_cclosure_marshal_generic, G_TYPE_NONE, 1, GST_TYPE_ELEMENT); - - gst_element_class_add_pad_template (gstelement_class, - gst_static_pad_template_get (&srctemplate)); - gst_element_class_set_static_metadata (gstelement_class, - "URI Decoder 3", "Generic/Bin/Decoder", - "Autoplug and decode an URI to raw media", - "Wim Taymans "); - - gstelement_class->query = GST_DEBUG_FUNCPTR (gst_uri_decode_bin3_query); - gstelement_class->change_state = - GST_DEBUG_FUNCPTR (gst_uri_decode_bin3_change_state); - - gstbin_class->handle_message = GST_DEBUG_FUNCPTR (handle_message); - - klass->autoplug_continue = - GST_DEBUG_FUNCPTR (gst_uri_decode_bin3_autoplug_continue); - klass->autoplug_factories = - GST_DEBUG_FUNCPTR (gst_uri_decode_bin3_autoplug_factories); - klass->autoplug_sort = GST_DEBUG_FUNCPTR (gst_uri_decode_bin3_autoplug_sort); - klass->autoplug_select = - GST_DEBUG_FUNCPTR (gst_uri_decode_bin3_autoplug_select); - klass->autoplug_query = - GST_DEBUG_FUNCPTR (gst_uri_decode_bin3_autoplug_query); -} - -static void -gst_uri_decode_bin3_init (GstURIDecodeBin3 * dec) -{ - /* first filter out the interesting element factories */ - g_mutex_init (&dec->factories_lock); - - g_mutex_init (&dec->lock); - - dec->uri = g_strdup (DEFAULT_PROP_URI); - dec->connection_speed = DEFAULT_CONNECTION_SPEED; - dec->caps = DEFAULT_CAPS; - dec->encoding = g_strdup (DEFAULT_SUBTITLE_ENCODING); - - dec->buffer_duration = DEFAULT_BUFFER_DURATION; - dec->buffer_size = DEFAULT_BUFFER_SIZE; - dec->download = DEFAULT_DOWNLOAD; - dec->use_buffering = DEFAULT_USE_BUFFERING; - dec->expose_allstreams = DEFAULT_EXPOSE_ALL_STREAMS; - dec->ring_buffer_max_size = DEFAULT_RING_BUFFER_MAX_SIZE; - - GST_OBJECT_FLAG_SET (dec, GST_ELEMENT_FLAG_SOURCE); -} - -static void -gst_uri_decode_bin3_finalize (GObject * obj) -{ - GstURIDecodeBin3 *dec = GST_URI_DECODE_BIN3 (obj); - - remove_decoders (dec, TRUE); - g_mutex_clear (&dec->lock); - g_mutex_clear (&dec->factories_lock); - g_free (dec->uri); - g_free (dec->encoding); - if (dec->factories) - gst_plugin_feature_list_free (dec->factories); - if (dec->caps) - gst_caps_unref (dec->caps); - - G_OBJECT_CLASS (parent_class)->finalize (obj); -} - -static void -gst_uri_decode_bin3_set_encoding (GstURIDecodeBin3 * dec, - const gchar * encoding) -{ - GSList *walk; - - GST_URI_DECODE_BIN3_LOCK (dec); - - /* set property first */ - GST_OBJECT_LOCK (dec); - g_free (dec->encoding); - dec->encoding = g_strdup (encoding); - GST_OBJECT_UNLOCK (dec); - - /* set the property on all decodebins now */ - for (walk = dec->decodebins; walk; walk = g_slist_next (walk)) { - GObject *decodebin = G_OBJECT (walk->data); - - g_object_set (decodebin, "subtitle-encoding", encoding, NULL); - } - GST_URI_DECODE_BIN3_UNLOCK (dec); -} - -static void -gst_uri_decode_bin3_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec) -{ - GstURIDecodeBin3 *dec = GST_URI_DECODE_BIN3 (object); - - switch (prop_id) { - case PROP_URI: - GST_OBJECT_LOCK (dec); - g_free (dec->uri); - dec->uri = g_value_dup_string (value); - GST_OBJECT_UNLOCK (dec); - break; - case PROP_CONNECTION_SPEED: - GST_OBJECT_LOCK (dec); - dec->connection_speed = g_value_get_uint64 (value) * 1000; - GST_OBJECT_UNLOCK (dec); - break; - case PROP_CAPS: - GST_OBJECT_LOCK (dec); - if (dec->caps) - gst_caps_unref (dec->caps); - dec->caps = g_value_dup_boxed (value); - GST_OBJECT_UNLOCK (dec); - break; - case PROP_SUBTITLE_ENCODING: - gst_uri_decode_bin3_set_encoding (dec, g_value_get_string (value)); - break; - case PROP_BUFFER_SIZE: - dec->buffer_size = g_value_get_int (value); - break; - case PROP_BUFFER_DURATION: - dec->buffer_duration = g_value_get_int64 (value); - break; - case PROP_DOWNLOAD: - dec->download = g_value_get_boolean (value); - break; - case PROP_USE_BUFFERING: - dec->use_buffering = g_value_get_boolean (value); - break; - case PROP_EXPOSE_ALL_STREAMS: - dec->expose_allstreams = g_value_get_boolean (value); - break; - case PROP_RING_BUFFER_MAX_SIZE: - dec->ring_buffer_max_size = g_value_get_uint64 (value); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -gst_uri_decode_bin3_get_property (GObject * object, guint prop_id, - GValue * value, GParamSpec * pspec) -{ - GstURIDecodeBin3 *dec = GST_URI_DECODE_BIN3 (object); - - switch (prop_id) { - case PROP_URI: - GST_OBJECT_LOCK (dec); - g_value_set_string (value, dec->uri); - GST_OBJECT_UNLOCK (dec); - break; - case PROP_SOURCE: - GST_OBJECT_LOCK (dec); - g_value_set_object (value, dec->source); - GST_OBJECT_UNLOCK (dec); - break; - case PROP_CONNECTION_SPEED: - GST_OBJECT_LOCK (dec); - g_value_set_uint64 (value, dec->connection_speed / 1000); - GST_OBJECT_UNLOCK (dec); - break; - case PROP_CAPS: - GST_OBJECT_LOCK (dec); - g_value_set_boxed (value, dec->caps); - GST_OBJECT_UNLOCK (dec); - break; - case PROP_SUBTITLE_ENCODING: - GST_OBJECT_LOCK (dec); - g_value_set_string (value, dec->encoding); - GST_OBJECT_UNLOCK (dec); - break; - case PROP_BUFFER_SIZE: - GST_OBJECT_LOCK (dec); - g_value_set_int (value, dec->buffer_size); - GST_OBJECT_UNLOCK (dec); - break; - case PROP_BUFFER_DURATION: - GST_OBJECT_LOCK (dec); - g_value_set_int64 (value, dec->buffer_duration); - GST_OBJECT_UNLOCK (dec); - break; - case PROP_DOWNLOAD: - g_value_set_boolean (value, dec->download); - break; - case PROP_USE_BUFFERING: - g_value_set_boolean (value, dec->use_buffering); - break; - case PROP_EXPOSE_ALL_STREAMS: - g_value_set_boolean (value, dec->expose_allstreams); - break; - case PROP_RING_BUFFER_MAX_SIZE: - g_value_set_uint64 (value, dec->ring_buffer_max_size); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -do_async_start (GstURIDecodeBin3 * dbin) -{ - GstMessage *message; - - dbin->async_pending = TRUE; - - message = gst_message_new_async_start (GST_OBJECT_CAST (dbin)); - GST_BIN_CLASS (parent_class)->handle_message (GST_BIN_CAST (dbin), message); -} - -static void -do_async_done (GstURIDecodeBin3 * dbin) -{ - GstMessage *message; - - if (dbin->async_pending) { - GST_DEBUG_OBJECT (dbin, "posting ASYNC_DONE"); - message = - gst_message_new_async_done (GST_OBJECT_CAST (dbin), - GST_CLOCK_TIME_NONE); - GST_BIN_CLASS (parent_class)->handle_message (GST_BIN_CAST (dbin), message); - - dbin->async_pending = FALSE; - } -} - -#define DEFAULT_QUEUE_SIZE (3 * GST_SECOND) -#define DEFAULT_QUEUE_MIN_THRESHOLD ((DEFAULT_QUEUE_SIZE * 30) / 100) -#define DEFAULT_QUEUE_THRESHOLD ((DEFAULT_QUEUE_SIZE * 95) / 100) - -static void -unknown_type_cb (GstElement * element, GstPad * pad, GstCaps * caps, - GstURIDecodeBin3 * decoder) -{ - gchar *capsstr; - - capsstr = gst_caps_to_string (caps); - GST_ELEMENT_WARNING (decoder, STREAM, CODEC_NOT_FOUND, - (_("No decoder available for type \'%s\'."), capsstr), (NULL)); - g_free (capsstr); -} - -/* add a streaminfo that indicates that the stream is handled by the - * given element. This usually means that a stream without actual data is - * produced but one that is sunken by an element. Examples of this are: - * cdaudio, a hardware decoder/sink, dvd meta bins etc... - */ -static void -add_element_stream (GstElement * element, GstURIDecodeBin3 * decoder) -{ - g_warning ("add element stream"); -} - -/* when the decoder element signals that no more pads will be generated, we - * can commit the current group. - */ -static void -no_more_pads_full (GstElement * element, gboolean subs, - GstURIDecodeBin3 * decoder) -{ - gboolean final; - - /* setup phase */ - GST_DEBUG_OBJECT (element, "no more pads, %d pending", decoder->pending); - - GST_URI_DECODE_BIN3_LOCK (decoder); - final = (decoder->pending == 0); - - /* nothing pending, we can exit */ - if (final) - goto done; - - /* the object has no pending no_more_pads */ - if (!g_object_get_data (G_OBJECT (element), "pending")) - goto done; - g_object_set_data (G_OBJECT (element), "pending", NULL); - - decoder->pending--; - final = (decoder->pending == 0); - -done: - GST_URI_DECODE_BIN3_UNLOCK (decoder); - - if (final) { - /* If we got not a single stream yet, that means that all - * decodebins had missing plugins for all of their streams! - */ - if (!decoder->streams || g_hash_table_size (decoder->streams) == 0) { - if (decoder->missing_plugin_errors) { - GString *str = g_string_new (""); - GList *l; - - for (l = decoder->missing_plugin_errors; l; l = l->next) { - GstMessage *msg = l->data; - gchar *debug; - - gst_message_parse_error (msg, NULL, &debug); - g_string_append (str, debug); - g_free (debug); - gst_message_unref (msg); - } - g_list_free (decoder->missing_plugin_errors); - decoder->missing_plugin_errors = NULL; - - GST_ELEMENT_ERROR (decoder, CORE, MISSING_PLUGIN, (NULL), - ("no suitable plugins found:\n%s", str->str)); - g_string_free (str, TRUE); - } else { - GST_ELEMENT_ERROR (decoder, CORE, MISSING_PLUGIN, (NULL), - ("no suitable plugins found")); - } - } else { - gst_element_no_more_pads (GST_ELEMENT_CAST (decoder)); - } - do_async_done (decoder); - } - - return; -} - -static void -no_more_pads (GstElement * element, GstURIDecodeBin3 * decoder) -{ - no_more_pads_full (element, FALSE, decoder); -} - -static void -source_no_more_pads (GstElement * element, GstURIDecodeBin3 * bin) -{ - GST_DEBUG_OBJECT (bin, "No more pads in source element %s.", - GST_ELEMENT_NAME (element)); - - g_signal_handler_disconnect (element, bin->src_np_sig_id); - bin->src_np_sig_id = 0; - g_signal_handler_disconnect (element, bin->src_nmp_sig_id); - bin->src_nmp_sig_id = 0; - - no_more_pads_full (element, FALSE, bin); -} - -static void -configure_stream_buffering (GstURIDecodeBin3 * decoder) -{ - GstElement *queue = NULL; - GHashTableIter iter; - gpointer key, value; - gint bitrate = 0; - - /* automatic configuration enabled ? */ - if (decoder->buffer_size != -1) - return; - - GST_URI_DECODE_BIN3_LOCK (decoder); - if (decoder->queue) - queue = gst_object_ref (decoder->queue); - - g_hash_table_iter_init (&iter, decoder->streams); - while (g_hash_table_iter_next (&iter, &key, &value)) { - GstURIDecodeBin3Stream *stream = value; - - if (stream->bitrate && bitrate >= 0) - bitrate += stream->bitrate; - else - bitrate = -1; - } - GST_URI_DECODE_BIN3_UNLOCK (decoder); - - GST_DEBUG_OBJECT (decoder, "overall bitrate %d", bitrate); - if (!queue) - return; - - if (bitrate > 0) { - guint64 time; - guint bytes; - - /* all streams have a bitrate; - * configure queue size based on queue duration using combined bitrate */ - g_object_get (queue, "max-size-time", &time, NULL); - GST_DEBUG_OBJECT (decoder, "queue buffering time %" GST_TIME_FORMAT, - GST_TIME_ARGS (time)); - if (time > 0) { - bytes = gst_util_uint64_scale (time, bitrate, 8 * GST_SECOND); - GST_DEBUG_OBJECT (decoder, "corresponds to buffer size %d", bytes); - g_object_set (queue, "max-size-bytes", bytes, NULL); - } - } - - gst_object_unref (queue); -} - -static GstPadProbeReturn -decoded_pad_event_probe (GstPad * pad, GstPadProbeInfo * info, - gpointer user_data) -{ - GstEvent *event = GST_PAD_PROBE_INFO_EVENT (info); - GstURIDecodeBin3 *decoder = user_data; - - GST_LOG_OBJECT (pad, "%s, decoder %p", GST_EVENT_TYPE_NAME (event), decoder); - - /* look for a bitrate tag */ - switch (GST_EVENT_TYPE (event)) { - case GST_EVENT_TAG: - { - GstTagList *list; - guint bitrate = 0; - GstURIDecodeBin3Stream *stream; - - gst_event_parse_tag (event, &list); - if (!gst_tag_list_get_uint_index (list, GST_TAG_NOMINAL_BITRATE, 0, - &bitrate)) { - gst_tag_list_get_uint_index (list, GST_TAG_BITRATE, 0, &bitrate); - } - GST_DEBUG_OBJECT (pad, "found bitrate %u", bitrate); - if (bitrate) { - GST_URI_DECODE_BIN3_LOCK (decoder); - stream = g_hash_table_lookup (decoder->streams, pad); - GST_URI_DECODE_BIN3_UNLOCK (decoder); - if (stream) { - stream->bitrate = bitrate; - /* no longer need this probe now */ - gst_pad_remove_probe (pad, stream->probe_id); - /* configure buffer if possible */ - configure_stream_buffering (decoder); - } - } - break; - } - default: - break; - } - - /* never drop */ - return GST_PAD_PROBE_OK; -} - - -static gboolean -copy_sticky_events (GstPad * pad, GstEvent ** event, gpointer user_data) -{ - GstPad *gpad = GST_PAD_CAST (user_data); - - GST_DEBUG_OBJECT (gpad, "store sticky event %" GST_PTR_FORMAT, *event); - gst_pad_store_sticky_event (gpad, *event); - - return TRUE; -} - -/* Called by the signal handlers when a decodebin has found a new raw pad */ -static void -new_decoded_pad_added_cb (GstElement * element, GstPad * pad, - GstURIDecodeBin3 * decoder) -{ - GstPad *newpad; - GstPadTemplate *pad_tmpl; - gchar *padname; - GstURIDecodeBin3Stream *stream; - - GST_DEBUG_OBJECT (element, "new decoded pad, name: <%s>", GST_PAD_NAME (pad)); - - GST_URI_DECODE_BIN3_LOCK (decoder); - padname = g_strdup_printf ("src_%u", decoder->numpads); - decoder->numpads++; - GST_URI_DECODE_BIN3_UNLOCK (decoder); - - pad_tmpl = gst_static_pad_template_get (&srctemplate); - newpad = gst_ghost_pad_new_from_template (padname, pad, pad_tmpl); - gst_object_unref (pad_tmpl); - g_free (padname); - - /* store ref to the ghostpad so we can remove it */ - g_object_set_data (G_OBJECT (pad), "uridecodebin.ghostpad", newpad); - - /* add event probe to monitor tags */ - stream = g_slice_alloc0 (sizeof (GstURIDecodeBin3Stream)); - stream->probe_id = - gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM, - decoded_pad_event_probe, decoder, NULL); - GST_URI_DECODE_BIN3_LOCK (decoder); - g_hash_table_insert (decoder->streams, pad, stream); - GST_URI_DECODE_BIN3_UNLOCK (decoder); - - gst_pad_set_active (newpad, TRUE); - gst_pad_sticky_events_foreach (pad, copy_sticky_events, newpad); - gst_element_add_pad (GST_ELEMENT_CAST (decoder), newpad); - - /* Let decodebin handle async-done from here on out */ - do_async_done (decoder); -} - -static GstPadProbeReturn -source_pad_event_probe (GstPad * pad, GstPadProbeInfo * info, - gpointer user_data) -{ - GstEvent *event = GST_PAD_PROBE_INFO_EVENT (info); - GstURIDecodeBin3 *decoder = user_data; - - GST_LOG_OBJECT (pad, "%s, decoder %p", GST_EVENT_TYPE_NAME (event), decoder); - - if (GST_EVENT_TYPE (event) == GST_EVENT_EOS) { - GST_DEBUG_OBJECT (pad, "we received EOS"); - - g_signal_emit (decoder, - gst_uri_decode_bin3_signals[SIGNAL_DRAINED], 0, NULL); - } - /* never drop events */ - return GST_PAD_PROBE_OK; -} - -/* called when we found a raw pad on the source element. We need to set up a - * padprobe to detect EOS before exposing the pad. */ -static void -expose_decoded_pad (GstElement * element, GstPad * pad, - GstURIDecodeBin3 * decoder) -{ - gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM, - source_pad_event_probe, decoder, NULL); - - new_decoded_pad_added_cb (element, pad, decoder); -} - -static void -pad_removed_cb (GstElement * element, GstPad * pad, GstURIDecodeBin3 * decoder) -{ - GstPad *ghost; - - GST_DEBUG_OBJECT (element, "pad removed name: <%s:%s>", - GST_DEBUG_PAD_NAME (pad)); - - /* we only care about srcpads */ - if (!GST_PAD_IS_SRC (pad)) - return; - - if (!(ghost = g_object_get_data (G_OBJECT (pad), "uridecodebin.ghostpad"))) - goto no_ghost; - - /* unghost the pad */ - gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (ghost), NULL); - - /* deactivate and remove */ - gst_pad_set_active (pad, FALSE); - gst_element_remove_pad (GST_ELEMENT_CAST (decoder), ghost); - - return; - - /* ERRORS */ -no_ghost: - { - GST_WARNING_OBJECT (element, "no ghost pad found"); - return; - } -} - -/* helper function to lookup stuff in lists */ -static gboolean -array_has_value (const gchar * values[], const gchar * value) -{ - gint i; - - for (i = 0; values[i]; i++) { - if (g_str_has_prefix (value, values[i])) - return TRUE; - } - return FALSE; -} - -static gboolean -array_has_uri_value (const gchar * values[], const gchar * value) -{ - gint i; - - for (i = 0; values[i]; i++) { - if (!g_ascii_strncasecmp (value, values[i], strlen (values[i]))) - return TRUE; - } - return FALSE; -} - -/* list of URIs that we consider to be streams and that need buffering. - * We have no mechanism yet to figure this out with a query. */ -static const gchar *stream_uris[] = { "http://", "https://", "mms://", - "mmsh://", "mmsu://", "mmst://", "fd://", "myth://", "ssh://", - "ftp://", "sftp://", - NULL -}; - -/* list of URIs that need a queue because they are pretty bursty */ -static const gchar *queue_uris[] = { "cdda://", NULL }; - -/* blacklisted URIs, we know they will always fail. */ -static const gchar *blacklisted_uris[] = { NULL }; - -/* media types that use adaptive streaming */ -static const gchar *adaptive_media[] = { - "application/x-hls", "application/vnd.ms-sstr+xml", - "application/dash+xml", NULL -}; - -#define IS_STREAM_URI(uri) (array_has_uri_value (stream_uris, uri)) -#define IS_QUEUE_URI(uri) (array_has_uri_value (queue_uris, uri)) -#define IS_BLACKLISTED_URI(uri) (array_has_uri_value (blacklisted_uris, uri)) -#define IS_ADAPTIVE_MEDIA(media) (array_has_value (adaptive_media, media)) - -/* - * Generate and configure a source element. - */ -static GstElement * -gen_source_element (GstURIDecodeBin3 * decoder) -{ - GObjectClass *source_class; - GstElement *source; - GParamSpec *pspec; - GstQuery *query; - GstSchedulingFlags flags; - GError *err = NULL; - - if (!decoder->uri) - goto no_uri; - - GST_LOG_OBJECT (decoder, "finding source for %s", decoder->uri); - - if (!gst_uri_is_valid (decoder->uri)) - goto invalid_uri; - - if (IS_BLACKLISTED_URI (decoder->uri)) - goto uri_blacklisted; - - source = - gst_element_make_from_uri (GST_URI_SRC, decoder->uri, "source", &err); - if (!source) - goto no_source; - - GST_LOG_OBJECT (decoder, "found source type %s", G_OBJECT_TYPE_NAME (source)); - - query = gst_query_new_scheduling (); - if (gst_element_query (source, query)) { - gst_query_parse_scheduling (query, &flags, NULL, NULL, NULL); - decoder->is_stream = flags & GST_SCHEDULING_FLAG_BANDWIDTH_LIMITED; - } else - decoder->is_stream = IS_STREAM_URI (decoder->uri); - gst_query_unref (query); - - GST_LOG_OBJECT (decoder, "source is stream: %d", decoder->is_stream); - - decoder->need_queue = IS_QUEUE_URI (decoder->uri); - GST_LOG_OBJECT (decoder, "source needs queue: %d", decoder->need_queue); - - source_class = G_OBJECT_GET_CLASS (source); - - pspec = g_object_class_find_property (source_class, "connection-speed"); - if (pspec != NULL) { - guint64 speed = decoder->connection_speed / 1000; - gboolean wrong_type = FALSE; - - if (G_PARAM_SPEC_TYPE (pspec) == G_TYPE_PARAM_UINT) { - GParamSpecUInt *pspecuint = G_PARAM_SPEC_UINT (pspec); - - speed = CLAMP (speed, pspecuint->minimum, pspecuint->maximum); - } else if (G_PARAM_SPEC_TYPE (pspec) == G_TYPE_PARAM_INT) { - GParamSpecInt *pspecint = G_PARAM_SPEC_INT (pspec); - - speed = CLAMP (speed, pspecint->minimum, pspecint->maximum); - } else if (G_PARAM_SPEC_TYPE (pspec) == G_TYPE_PARAM_UINT64) { - GParamSpecUInt64 *pspecuint = G_PARAM_SPEC_UINT64 (pspec); - - speed = CLAMP (speed, pspecuint->minimum, pspecuint->maximum); - } else if (G_PARAM_SPEC_TYPE (pspec) == G_TYPE_PARAM_INT64) { - GParamSpecInt64 *pspecint = G_PARAM_SPEC_INT64 (pspec); - - speed = CLAMP (speed, pspecint->minimum, pspecint->maximum); - } else { - GST_WARNING_OBJECT (decoder, - "The connection speed property %" G_GUINT64_FORMAT - " of type %s is not usefull not setting it", speed, - g_type_name (G_PARAM_SPEC_TYPE (pspec))); - wrong_type = TRUE; - } - - if (!wrong_type) { - g_object_set (source, "connection-speed", speed, NULL); - - GST_DEBUG_OBJECT (decoder, - "setting connection-speed=%" G_GUINT64_FORMAT " to source element", - speed); - } - } - - pspec = g_object_class_find_property (source_class, "subtitle-encoding"); - if (pspec != NULL && G_PARAM_SPEC_VALUE_TYPE (pspec) == G_TYPE_STRING) { - GST_DEBUG_OBJECT (decoder, - "setting subtitle-encoding=%s to source element", decoder->encoding); - g_object_set (source, "subtitle-encoding", decoder->encoding, NULL); - } - return source; - - /* ERRORS */ -no_uri: - { - GST_ELEMENT_ERROR (decoder, RESOURCE, NOT_FOUND, - (_("No URI specified to play from.")), (NULL)); - return NULL; - } -invalid_uri: - { - GST_ELEMENT_ERROR (decoder, RESOURCE, NOT_FOUND, - (_("Invalid URI \"%s\"."), decoder->uri), (NULL)); - g_clear_error (&err); - return NULL; - } -uri_blacklisted: - { - GST_ELEMENT_ERROR (decoder, RESOURCE, FAILED, - (_("This stream type cannot be played yet.")), (NULL)); - return NULL; - } -no_source: - { - /* whoops, could not create the source element, dig a little deeper to - * figure out what might be wrong. */ - if (err != NULL && err->code == GST_URI_ERROR_UNSUPPORTED_PROTOCOL) { - gchar *prot; - - prot = gst_uri_get_protocol (decoder->uri); - if (prot == NULL) - goto invalid_uri; - - gst_element_post_message (GST_ELEMENT_CAST (decoder), - gst_missing_uri_source_message_new (GST_ELEMENT (decoder), prot)); - - GST_ELEMENT_ERROR (decoder, CORE, MISSING_PLUGIN, - (_("No URI handler implemented for \"%s\"."), prot), (NULL)); - - g_free (prot); - } else { - GST_ELEMENT_ERROR (decoder, RESOURCE, NOT_FOUND, - ("%s", (err) ? err->message : "URI was not accepted by any element"), - ("No element accepted URI '%s'", decoder->uri)); - } - - g_clear_error (&err); - return NULL; - } -} - -/** - * has_all_raw_caps: - * @pad: a #GstPad - * @all_raw: pointer to hold the result - * - * check if the caps of the pad are all raw. The caps are all raw if - * all of its structures contain audio/x-raw or video/x-raw. - * - * Returns: %FALSE @pad has no caps. Else TRUE and @all_raw set t the result. - */ -static gboolean -has_all_raw_caps (GstPad * pad, GstCaps * rawcaps, gboolean * all_raw) -{ - GstCaps *caps, *intersection; - gint capssize; - gboolean res = FALSE; - - caps = gst_pad_query_caps (pad, NULL); - if (caps == NULL) - return FALSE; - - GST_DEBUG_OBJECT (pad, "have caps %" GST_PTR_FORMAT, caps); - - capssize = gst_caps_get_size (caps); - /* no caps, skip and move to the next pad */ - if (capssize == 0 || gst_caps_is_empty (caps) || gst_caps_is_any (caps)) - goto done; - - intersection = gst_caps_intersect (caps, rawcaps); - *all_raw = !gst_caps_is_empty (intersection) - && (gst_caps_get_size (intersection) == capssize); - gst_caps_unref (intersection); - - res = TRUE; - -done: - gst_caps_unref (caps); - return res; -} - -static void -post_missing_plugin_error (GstElement * dec, const gchar * element_name) -{ - GstMessage *msg; - - msg = gst_missing_element_message_new (dec, element_name); - gst_element_post_message (dec, msg); - - GST_ELEMENT_ERROR (dec, CORE, MISSING_PLUGIN, - (_("Missing element '%s' - check your GStreamer installation."), - element_name), (NULL)); - do_async_done (GST_URI_DECODE_BIN3 (dec)); -} - -/** - * analyse_source: - * @decoder: a #GstURIDecodeBin3 - * @is_raw: are all pads raw data - * @have_out: does the source have output - * @is_dynamic: is this a dynamic source - * @use_queue: put a queue before raw output pads - * - * Check the source of @decoder and collect information about it. - * - * @is_raw will be set to TRUE if the source only produces raw pads. When this - * function returns, all of the raw pad of the source will be added - * to @decoder. - * - * @have_out: will be set to TRUE if the source has output pads. - * - * @is_dynamic: TRUE if the element will create (more) pads dynamically later - * on. - * - * Returns: FALSE if a fatal error occured while scanning. - */ -static gboolean -analyse_source (GstURIDecodeBin3 * decoder, gboolean * is_raw, - gboolean * have_out, gboolean * is_dynamic, gboolean use_queue) -{ - GstIterator *pads_iter; - gboolean done = FALSE; - gboolean res = TRUE; - GstCaps *rawcaps; - GstPad *pad; - GValue item = { 0, }; - - *have_out = FALSE; - *is_raw = FALSE; - *is_dynamic = FALSE; - - g_object_get (decoder, "caps", &rawcaps, NULL); - if (!rawcaps) - rawcaps = DEFAULT_CAPS; - - pads_iter = gst_element_iterate_src_pads (decoder->source); - while (!done) { - switch (gst_iterator_next (pads_iter, &item)) { - case GST_ITERATOR_ERROR: - res = FALSE; - /* FALLTROUGH */ - case GST_ITERATOR_DONE: - done = TRUE; - break; - case GST_ITERATOR_RESYNC: - /* reset results and resync */ - *have_out = FALSE; - *is_raw = FALSE; - *is_dynamic = FALSE; - gst_iterator_resync (pads_iter); - break; - case GST_ITERATOR_OK: - pad = g_value_dup_object (&item); - /* we now officially have an ouput pad */ - *have_out = TRUE; - - /* if FALSE, this pad has no caps and we continue with the next pad. */ - if (!has_all_raw_caps (pad, rawcaps, is_raw)) { - gst_object_unref (pad); - g_value_reset (&item); - break; - } - - /* caps on source pad are all raw, we can add the pad */ - if (*is_raw) { - GstElement *outelem; - - if (use_queue) { - GstPad *sinkpad; - - /* insert a queue element right before the raw pad */ - outelem = gst_element_factory_make ("queue2", NULL); - if (!outelem) - goto no_queue2; - - gst_bin_add (GST_BIN_CAST (decoder), outelem); - - sinkpad = gst_element_get_static_pad (outelem, "sink"); - gst_pad_link (pad, sinkpad); - gst_object_unref (sinkpad); - - /* save queue pointer so we can remove it later */ - decoder->queue = outelem; - - /* get the new raw srcpad */ - gst_object_unref (pad); - pad = gst_element_get_static_pad (outelem, "src"); - } else { - outelem = decoder->source; - } - expose_decoded_pad (outelem, pad, decoder); - } - gst_object_unref (pad); - g_value_reset (&item); - break; - } - } - g_value_unset (&item); - gst_iterator_free (pads_iter); - gst_caps_unref (rawcaps); - - if (!*have_out) { - GstElementClass *elemclass; - GList *walk; - - /* element has no output pads, check for padtemplates that list SOMETIMES - * pads. */ - elemclass = GST_ELEMENT_GET_CLASS (decoder->source); - - walk = gst_element_class_get_pad_template_list (elemclass); - while (walk != NULL) { - GstPadTemplate *templ; - - templ = (GstPadTemplate *) walk->data; - if (GST_PAD_TEMPLATE_DIRECTION (templ) == GST_PAD_SRC) { - if (GST_PAD_TEMPLATE_PRESENCE (templ) == GST_PAD_SOMETIMES) - *is_dynamic = TRUE; - break; - } - walk = g_list_next (walk); - } - } - - return res; -no_queue2: - { - post_missing_plugin_error (GST_ELEMENT_CAST (decoder), "queue2"); - - gst_object_unref (pad); - g_value_unset (&item); - gst_iterator_free (pads_iter); - gst_caps_unref (rawcaps); - - return FALSE; - } -} - -/* Remove all decodebin from ourself - * If force is FALSE, then the decodebin instances will be stored in - * pending_decodebins for re-use later on. - * If force is TRUE, then all decodebin instances will be unreferenced - * and cleared, including the pending ones. */ -static void -remove_decoders (GstURIDecodeBin3 * bin, gboolean force) -{ - GSList *walk; - - for (walk = bin->decodebins; walk; walk = g_slist_next (walk)) { - GstElement *decoder = GST_ELEMENT_CAST (walk->data); - - GST_DEBUG_OBJECT (bin, "removing old decoder element"); - if (force) { - gst_element_set_state (decoder, GST_STATE_NULL); - gst_bin_remove (GST_BIN_CAST (bin), decoder); - } else { - GstCaps *caps; - - gst_element_set_state (decoder, GST_STATE_READY); - /* add it to our list of pending decodebins */ - g_object_ref (decoder); - gst_bin_remove (GST_BIN_CAST (bin), decoder); - /* restore some properties we might have changed */ - g_object_set (decoder, "sink-caps", NULL, NULL); - caps = DEFAULT_CAPS; - g_object_set (decoder, "caps", caps, NULL); - gst_caps_unref (caps); - /* make it freshly floating again */ - g_object_force_floating (G_OBJECT (decoder)); - - bin->pending_decodebins = - g_slist_prepend (bin->pending_decodebins, decoder); - } - } - g_slist_free (bin->decodebins); - bin->decodebins = NULL; - if (force) { - GSList *tmp; - - for (tmp = bin->pending_decodebins; tmp; tmp = tmp->next) { - gst_element_set_state ((GstElement *) tmp->data, GST_STATE_NULL); - gst_object_unref ((GstElement *) tmp->data); - } - g_slist_free (bin->pending_decodebins); - bin->pending_decodebins = NULL; - - } - - /* Don't loose the SOURCE flag */ - GST_OBJECT_FLAG_SET (bin, GST_ELEMENT_FLAG_SOURCE); -} - -static void -proxy_unknown_type_signal (GstElement * decodebin, GstPad * pad, GstCaps * caps, - GstURIDecodeBin3 * dec) -{ - GST_DEBUG_OBJECT (dec, "unknown-type signaled"); - - g_signal_emit (dec, - gst_uri_decode_bin3_signals[SIGNAL_UNKNOWN_TYPE], 0, pad, caps); -} - -static gboolean -proxy_autoplug_continue_signal (GstElement * decodebin, GstPad * pad, - GstCaps * caps, GstURIDecodeBin3 * dec) -{ - gboolean result; - - g_signal_emit (dec, - gst_uri_decode_bin3_signals[SIGNAL_AUTOPLUG_CONTINUE], 0, pad, caps, - &result); - - GST_DEBUG_OBJECT (dec, "autoplug-continue returned %d", result); - - return result; -} - -static GValueArray * -proxy_autoplug_factories_signal (GstElement * decodebin, GstPad * pad, - GstCaps * caps, GstURIDecodeBin3 * dec) -{ - GValueArray *result; - - g_signal_emit (dec, - gst_uri_decode_bin3_signals[SIGNAL_AUTOPLUG_FACTORIES], 0, pad, caps, - &result); - - GST_DEBUG_OBJECT (dec, "autoplug-factories returned %p", result); - - return result; -} - -static GValueArray * -proxy_autoplug_sort_signal (GstElement * decodebin, GstPad * pad, - GstCaps * caps, GValueArray * factories, GstURIDecodeBin3 * dec) -{ - GValueArray *result; - - g_signal_emit (dec, - gst_uri_decode_bin3_signals[SIGNAL_AUTOPLUG_SORT], 0, pad, caps, - factories, &result); - - GST_DEBUG_OBJECT (dec, "autoplug-sort returned %p", result); - - return result; -} - -static GstAutoplugSelectResult -proxy_autoplug_select_signal (GstElement * decodebin, GstPad * pad, - GstCaps * caps, GstElementFactory * factory, GstURIDecodeBin3 * dec) -{ - GstAutoplugSelectResult result; - - g_signal_emit (dec, - gst_uri_decode_bin3_signals[SIGNAL_AUTOPLUG_SELECT], 0, pad, caps, - factory, &result); - - GST_DEBUG_OBJECT (dec, "autoplug-select returned %d", result); - - return result; -} - -static gboolean -proxy_autoplug_query_signal (GstElement * decodebin, GstPad * pad, - GstElement * element, GstQuery * query, GstURIDecodeBin3 * dec) -{ - gboolean ret = FALSE; - - g_signal_emit (dec, - gst_uri_decode_bin3_signals[SIGNAL_AUTOPLUG_QUERY], 0, pad, element, - query, &ret); - - GST_DEBUG_OBJECT (dec, "autoplug-query returned %d", ret); - - return ret; -} - -static void -proxy_drained_signal (GstElement * decodebin, GstURIDecodeBin3 * dec) -{ - GST_DEBUG_OBJECT (dec, "drained signaled"); - - g_signal_emit (dec, gst_uri_decode_bin3_signals[SIGNAL_DRAINED], 0, NULL); -} - -/* make a decodebin and connect to all the signals */ -static GstElement * -make_decoder (GstURIDecodeBin3 * decoder) -{ - GstElement *decodebin; - - /* re-use pending decodebin */ - if (decoder->pending_decodebins) { - GSList *first = decoder->pending_decodebins; - GST_LOG_OBJECT (decoder, "re-using pending decodebin"); - decodebin = (GstElement *) first->data; - decoder->pending_decodebins = - g_slist_delete_link (decoder->pending_decodebins, first); - } else { - GST_LOG_OBJECT (decoder, "making new decodebin"); - - /* now create the decoder element */ - decodebin = gst_element_factory_make ("decodebin3", NULL); - - if (!decodebin) - goto no_decodebin; - - /* sanity check */ - if (decodebin->numsinkpads == 0) - goto no_typefind; - - /* connect signals to proxy */ - g_signal_connect (decodebin, "unknown-type", - G_CALLBACK (proxy_unknown_type_signal), decoder); - g_signal_connect (decodebin, "autoplug-continue", - G_CALLBACK (proxy_autoplug_continue_signal), decoder); - g_signal_connect (decodebin, "autoplug-factories", - G_CALLBACK (proxy_autoplug_factories_signal), decoder); - g_signal_connect (decodebin, "autoplug-sort", - G_CALLBACK (proxy_autoplug_sort_signal), decoder); - g_signal_connect (decodebin, "autoplug-select", - G_CALLBACK (proxy_autoplug_select_signal), decoder); - g_signal_connect (decodebin, "autoplug-query", - G_CALLBACK (proxy_autoplug_query_signal), decoder); - g_signal_connect (decodebin, "drained", - G_CALLBACK (proxy_drained_signal), decoder); - - /* set up callbacks to create the links between decoded data - * and video/audio/subtitle rendering/output. */ - g_signal_connect (decodebin, - "pad-added", G_CALLBACK (new_decoded_pad_added_cb), decoder); - g_signal_connect (decodebin, - "pad-removed", G_CALLBACK (pad_removed_cb), decoder); - g_signal_connect (decodebin, "no-more-pads", - G_CALLBACK (no_more_pads), decoder); - g_signal_connect (decodebin, - "unknown-type", G_CALLBACK (unknown_type_cb), decoder); - } - - /* configure caps if we have any */ - if (decoder->caps) - g_object_set (decodebin, "caps", decoder->caps, NULL); - - /* Propagate expose-all-streams and connection-speed properties */ - g_object_set (decodebin, "expose-all-streams", decoder->expose_allstreams, - "connection-speed", decoder->connection_speed / 1000, NULL); - - if (!decoder->is_stream || decoder->is_adaptive) { - /* propagate the use-buffering property but only when we are not already - * doing stream buffering with queue2. FIXME, we might want to do stream - * buffering with the multiqueue buffering instead of queue2. */ - g_object_set (decodebin, "use-buffering", decoder->use_buffering - || decoder->is_adaptive, NULL); - - if (decoder->use_buffering || decoder->is_adaptive) { - guint max_bytes; - guint64 max_time; - - /* configure sizes when buffering */ - if ((max_bytes = decoder->buffer_size) == -1) - max_bytes = 2 * 1024 * 1024; - if ((max_time = decoder->buffer_duration) == -1) - max_time = 5 * GST_SECOND; - - g_object_set (decodebin, "max-size-bytes", max_bytes, "max-size-buffers", - (guint) 0, "max-size-time", max_time, NULL); - } - } - - g_object_set_data (G_OBJECT (decodebin), "pending", GINT_TO_POINTER (1)); - g_object_set (decodebin, "subtitle-encoding", decoder->encoding, NULL); - decoder->pending++; - GST_LOG_OBJECT (decoder, "have %d pending dynamic objects", decoder->pending); - - gst_bin_add (GST_BIN_CAST (decoder), decodebin); - - decoder->decodebins = g_slist_prepend (decoder->decodebins, decodebin); - - return decodebin; - - /* ERRORS */ -no_decodebin: - { - post_missing_plugin_error (GST_ELEMENT_CAST (decoder), "decodebin3"); - GST_ELEMENT_ERROR (decoder, CORE, MISSING_PLUGIN, (NULL), - ("No decodebin3 element, check your installation")); - do_async_done (decoder); - return NULL; - } -no_typefind: - { - gst_object_unref (decodebin); - GST_ELEMENT_ERROR (decoder, CORE, MISSING_PLUGIN, (NULL), - ("No typefind element, decodebin is unusable, check your installation")); - do_async_done (decoder); - return NULL; - } -} - -/* signaled when we have a stream and we need to configure the download - * buffering or regular buffering */ -static void -type_found (GstElement * typefind, guint probability, - GstCaps * caps, GstURIDecodeBin3 * decoder) -{ - GstElement *src_elem, *dec_elem, *queue = NULL; - GstStructure *s; - const gchar *media_type, *elem_name; - gboolean do_download = FALSE; - - GST_DEBUG_OBJECT (decoder, "typefind found caps %" GST_PTR_FORMAT, caps); - - s = gst_caps_get_structure (caps, 0); - media_type = gst_structure_get_name (s); - - decoder->is_adaptive = IS_ADAPTIVE_MEDIA (media_type); - - /* only enable download buffering if the upstream duration is known */ - if (decoder->download) { - gint64 dur; - - do_download = (gst_element_query_duration (typefind, GST_FORMAT_BYTES, &dur) - && dur != -1); - } - - dec_elem = make_decoder (decoder); - if (!dec_elem) - goto no_decodebin; - - if (decoder->is_adaptive) { - src_elem = typefind; - } else { - if (do_download) { - elem_name = "downloadbuffer"; - } else { - elem_name = "queue2"; - } - queue = gst_element_factory_make (elem_name, NULL); - if (!queue) - goto no_buffer_element; - - decoder->queue = queue; - - GST_DEBUG_OBJECT (decoder, "check media-type %s, %d", media_type, - do_download); - - if (do_download) { - gchar *temp_template, *filename; - const gchar *tmp_dir, *prgname; - - tmp_dir = g_get_user_cache_dir (); - prgname = g_get_prgname (); - if (prgname == NULL) - prgname = "GStreamer"; - - filename = g_strdup_printf ("%s-XXXXXX", prgname); - - /* build our filename */ - temp_template = g_build_filename (tmp_dir, filename, NULL); - - GST_DEBUG_OBJECT (decoder, "enable download buffering in %s (%s, %s, %s)", - temp_template, tmp_dir, prgname, filename); - - /* configure progressive download for selected media types */ - g_object_set (queue, "temp-template", temp_template, NULL); - - g_free (filename); - g_free (temp_template); - } else { - g_object_set (queue, "use-buffering", TRUE, NULL); - g_object_set (queue, "ring-buffer-max-size", - decoder->ring_buffer_max_size, NULL); - /* Disable max-size-buffers */ - g_object_set (queue, "max-size-buffers", 0, NULL); - } - - /* If buffer size or duration are set, set them on the element */ - if (decoder->buffer_size != -1) - g_object_set (queue, "max-size-bytes", decoder->buffer_size, NULL); - if (decoder->buffer_duration != -1) - g_object_set (queue, "max-size-time", decoder->buffer_duration, NULL); - - gst_bin_add (GST_BIN_CAST (decoder), queue); - - if (!gst_element_link_pads (typefind, "src", queue, "sink")) - goto could_not_link; - src_elem = queue; - } - - /* to force caps on the decodebin element and avoid reparsing stuff by - * typefind. It also avoids a deadlock in the way typefind activates pads in - * the state change */ - g_object_set (dec_elem, "sink-caps", caps, NULL); - - if (!gst_element_link_pads (src_elem, "src", dec_elem, "sink")) - goto could_not_link; - - /* PLAYING in one go might fail (see bug #632782) */ - gst_element_set_state (dec_elem, GST_STATE_PAUSED); - gst_element_sync_state_with_parent (dec_elem); - if (queue) - gst_element_sync_state_with_parent (queue); - - return; - - /* ERRORS */ -no_decodebin: - { - /* error was posted */ - return; - } -could_not_link: - { - GST_ELEMENT_ERROR (decoder, CORE, NEGOTIATION, - (NULL), ("Can't link typefind to decodebin element")); - do_async_done (decoder); - return; - } -no_buffer_element: - { - post_missing_plugin_error (GST_ELEMENT_CAST (decoder), elem_name); - return; - } -} - -/* setup a streaming source. This will first plug a typefind element to the - * source. After we find the type, we decide to plug a queue2 and continue to - * plug a decodebin starting from the found caps */ -static gboolean -setup_streaming (GstURIDecodeBin3 * decoder) -{ - GstElement *typefind; - - /* now create the decoder element */ - typefind = gst_element_factory_make ("typefind", NULL); - if (!typefind) - goto no_typefind; - - gst_bin_add (GST_BIN_CAST (decoder), typefind); - - if (!gst_element_link_pads (decoder->source, NULL, typefind, "sink")) - goto could_not_link; - - decoder->typefind = typefind; - - /* connect a signal to find out when the typefind element found - * a type */ - decoder->have_type_id = - g_signal_connect (decoder->typefind, "have-type", - G_CALLBACK (type_found), decoder); - - return TRUE; - - /* ERRORS */ -no_typefind: - { - post_missing_plugin_error (GST_ELEMENT_CAST (decoder), "typefind"); - GST_ELEMENT_ERROR (decoder, CORE, MISSING_PLUGIN, (NULL), - ("No typefind element, check your installation")); - do_async_done (decoder); - return FALSE; - } -could_not_link: - { - GST_ELEMENT_ERROR (decoder, CORE, NEGOTIATION, - (NULL), ("Can't link source to typefind element")); - gst_bin_remove (GST_BIN_CAST (decoder), typefind); - /* Don't loose the SOURCE flag */ - GST_OBJECT_FLAG_SET (decoder, GST_ELEMENT_FLAG_SOURCE); - do_async_done (decoder); - return FALSE; - } -} - -static void -free_stream (gpointer value) -{ - g_slice_free (GstURIDecodeBin3Stream, value); -} - -/* remove source and all related elements */ -static void -remove_source (GstURIDecodeBin3 * bin) -{ - GstElement *source = bin->source; - - if (source) { - GST_DEBUG_OBJECT (bin, "removing old src element"); - gst_element_set_state (source, GST_STATE_NULL); - - if (bin->src_np_sig_id) { - g_signal_handler_disconnect (source, bin->src_np_sig_id); - bin->src_np_sig_id = 0; - } - if (bin->src_nmp_sig_id) { - g_signal_handler_disconnect (source, bin->src_nmp_sig_id); - bin->src_nmp_sig_id = 0; - } - gst_bin_remove (GST_BIN_CAST (bin), source); - bin->source = NULL; - } - if (bin->queue) { - GST_DEBUG_OBJECT (bin, "removing old queue element"); - gst_element_set_state (bin->queue, GST_STATE_NULL); - gst_bin_remove (GST_BIN_CAST (bin), bin->queue); - bin->queue = NULL; - } - if (bin->typefind) { - GST_DEBUG_OBJECT (bin, "removing old typefind element"); - gst_element_set_state (bin->typefind, GST_STATE_NULL); - gst_bin_remove (GST_BIN_CAST (bin), bin->typefind); - bin->typefind = NULL; - } - if (bin->streams) { - g_hash_table_destroy (bin->streams); - bin->streams = NULL; - } - /* Don't loose the SOURCE flag */ - GST_OBJECT_FLAG_SET (bin, GST_ELEMENT_FLAG_SOURCE); -} - -/* is called when a dynamic source element created a new pad. */ -static void -source_new_pad (GstElement * element, GstPad * pad, GstURIDecodeBin3 * bin) -{ - GstElement *decoder; - gboolean is_raw; - GstCaps *rawcaps; - - GST_URI_DECODE_BIN3_LOCK (bin); - GST_DEBUG_OBJECT (bin, "Found new pad %s.%s in source element %s", - GST_DEBUG_PAD_NAME (pad), GST_ELEMENT_NAME (element)); - - g_object_get (bin, "caps", &rawcaps, NULL); - if (!rawcaps) - rawcaps = DEFAULT_CAPS; - - /* if this is a pad with all raw caps, we can expose it */ - if (has_all_raw_caps (pad, rawcaps, &is_raw) && is_raw) { - /* it's all raw, create output pads. */ - GST_URI_DECODE_BIN3_UNLOCK (bin); - gst_caps_unref (rawcaps); - expose_decoded_pad (element, pad, bin); - return; - } - gst_caps_unref (rawcaps); - - /* not raw, create decoder */ - decoder = make_decoder (bin); - if (!decoder) - goto no_decodebin; - - /* and link to decoder */ - if (!gst_element_link_pads (bin->source, NULL, decoder, "sink")) - goto could_not_link; - - GST_DEBUG_OBJECT (bin, "linked decoder to new pad"); - - gst_element_sync_state_with_parent (decoder); - GST_URI_DECODE_BIN3_UNLOCK (bin); - - return; - - /* ERRORS */ -no_decodebin: - { - /* error was posted */ - GST_URI_DECODE_BIN3_UNLOCK (bin); - return; - } -could_not_link: - { - GST_ELEMENT_ERROR (bin, CORE, NEGOTIATION, - (NULL), ("Can't link source to decoder element")); - GST_URI_DECODE_BIN3_UNLOCK (bin); - do_async_done (bin); - return; - } -} - -static gboolean -is_live_source (GstElement * source) -{ - GObjectClass *source_class = NULL; - gboolean is_live = FALSE; - GParamSpec *pspec; - - source_class = G_OBJECT_GET_CLASS (source); - pspec = g_object_class_find_property (source_class, "is-live"); - if (!pspec || G_PARAM_SPEC_VALUE_TYPE (pspec) != G_TYPE_BOOLEAN) - return FALSE; - - g_object_get (G_OBJECT (source), "is-live", &is_live, NULL); - - return is_live; -} - -/* construct and run the source and decoder elements until we found - * all the streams or until a preroll queue has been filled. -*/ -static gboolean -setup_source (GstURIDecodeBin3 * decoder) -{ - gboolean is_raw, have_out, is_dynamic; - - GST_DEBUG_OBJECT (decoder, "setup source"); - - /* delete old src */ - remove_source (decoder); - - decoder->pending = 0; - - /* create and configure an element that can handle the uri */ - if (!(decoder->source = gen_source_element (decoder))) - goto no_source; - - /* state will be merged later - if file is not found, error will be - * handled by the application right after. */ - gst_bin_add (GST_BIN_CAST (decoder), decoder->source); - - /* notify of the new source used */ - g_object_notify (G_OBJECT (decoder), "source"); - - g_signal_emit (decoder, gst_uri_decode_bin3_signals[SIGNAL_SOURCE_SETUP], - 0, decoder->source); - - if (is_live_source (decoder->source)) - decoder->is_stream = FALSE; - - /* remove the old decoders now, if any */ - remove_decoders (decoder, FALSE); - - /* stream admin setup */ - decoder->streams = g_hash_table_new_full (NULL, NULL, NULL, free_stream); - - /* see if the source element emits raw audio/video all by itself, - * if so, we can create streams for the pads and be done with it. - * Also check that is has source pads, if not, we assume it will - * do everything itself. */ - if (!analyse_source (decoder, &is_raw, &have_out, &is_dynamic, - decoder->need_queue)) - goto invalid_source; - - if (is_raw) { - GST_DEBUG_OBJECT (decoder, "Source provides all raw data"); - /* source provides raw data, we added the pads and we can now signal a - * no_more pads because we are done. */ - gst_element_no_more_pads (GST_ELEMENT_CAST (decoder)); - do_async_done (decoder); - return TRUE; - } - if (!have_out && !is_dynamic) { - GST_DEBUG_OBJECT (decoder, "Source has no output pads"); - /* create a stream to indicate that this uri is handled by a self - * contained element. We are now done. */ - add_element_stream (decoder->source, decoder); - return TRUE; - } - if (is_dynamic) { - GST_DEBUG_OBJECT (decoder, "Source has dynamic output pads"); - /* connect a handler for the new-pad signal */ - decoder->src_np_sig_id = - g_signal_connect (decoder->source, "pad-added", - G_CALLBACK (source_new_pad), decoder); - decoder->src_nmp_sig_id = - g_signal_connect (decoder->source, "no-more-pads", - G_CALLBACK (source_no_more_pads), decoder); - g_object_set_data (G_OBJECT (decoder->source), "pending", - GINT_TO_POINTER (1)); - decoder->pending++; - } else { - if (decoder->is_stream) { - GST_DEBUG_OBJECT (decoder, "Setting up streaming"); - /* do the stream things here */ - if (!setup_streaming (decoder)) - goto streaming_failed; - } else { - GstElement *dec_elem; - - /* no streaming source, we can link now */ - GST_DEBUG_OBJECT (decoder, "Plugging decodebin to source"); - - dec_elem = make_decoder (decoder); - if (!dec_elem) - goto no_decoder; - - if (!gst_element_link_pads (decoder->source, NULL, dec_elem, "sink")) - goto could_not_link; - } - } - return TRUE; - - /* ERRORS */ -no_source: - { - /* error message was already posted */ - return FALSE; - } -invalid_source: - { - GST_ELEMENT_ERROR (decoder, CORE, FAILED, - (_("Source element is invalid.")), (NULL)); - return FALSE; - } -no_decoder: - { - /* message was posted */ - return FALSE; - } -streaming_failed: - { - /* message was posted */ - return FALSE; - } -could_not_link: - { - GST_ELEMENT_ERROR (decoder, CORE, NEGOTIATION, - (NULL), ("Can't link source to decoder element")); - return FALSE; - } -} - -static void -value_list_append_structure_list (GValue * list_val, GstStructure ** first, - GList * structure_list) -{ - GList *l; - - for (l = structure_list; l != NULL; l = l->next) { - GValue val = { 0, }; - - if (*first == NULL) - *first = gst_structure_copy ((GstStructure *) l->data); - - g_value_init (&val, GST_TYPE_STRUCTURE); - g_value_take_boxed (&val, gst_structure_copy ((GstStructure *) l->data)); - gst_value_list_append_value (list_val, &val); - g_value_unset (&val); - } -} - -/* if it's a redirect message with multiple redirect locations we might - * want to pick a different 'best' location depending on the required - * bitrates and the connection speed */ -static GstMessage * -handle_redirect_message (GstURIDecodeBin3 * dec, GstMessage * msg) -{ - const GValue *locations_list, *location_val; - GstMessage *new_msg; - GstStructure *new_structure = NULL; - GList *l_good = NULL, *l_neutral = NULL, *l_bad = NULL; - GValue new_list = { 0, }; - guint size, i; - const GstStructure *structure; - - GST_DEBUG_OBJECT (dec, "redirect message: %" GST_PTR_FORMAT, msg); - GST_DEBUG_OBJECT (dec, "connection speed: %" G_GUINT64_FORMAT, - dec->connection_speed); - - structure = gst_message_get_structure (msg); - if (dec->connection_speed == 0 || structure == NULL) - return msg; - - locations_list = gst_structure_get_value (structure, "locations"); - if (locations_list == NULL) - return msg; - - size = gst_value_list_get_size (locations_list); - if (size < 2) - return msg; - - /* maintain existing order as much as possible, just sort references - * with too high a bitrate to the end (the assumption being that if - * bitrates are given they are given for all interesting streams and - * that the you-need-at-least-version-xyz redirect has the same bitrate - * as the lowest referenced redirect alternative) */ - for (i = 0; i < size; ++i) { - const GstStructure *s; - gint bitrate = 0; - - location_val = gst_value_list_get_value (locations_list, i); - s = (const GstStructure *) g_value_get_boxed (location_val); - if (!gst_structure_get_int (s, "minimum-bitrate", &bitrate) || bitrate <= 0) { - GST_DEBUG_OBJECT (dec, "no bitrate: %" GST_PTR_FORMAT, s); - l_neutral = g_list_append (l_neutral, (gpointer) s); - } else if (bitrate > dec->connection_speed) { - GST_DEBUG_OBJECT (dec, "bitrate too high: %" GST_PTR_FORMAT, s); - l_bad = g_list_append (l_bad, (gpointer) s); - } else if (bitrate <= dec->connection_speed) { - GST_DEBUG_OBJECT (dec, "bitrate OK: %" GST_PTR_FORMAT, s); - l_good = g_list_append (l_good, (gpointer) s); - } - } - - g_value_init (&new_list, GST_TYPE_LIST); - value_list_append_structure_list (&new_list, &new_structure, l_good); - value_list_append_structure_list (&new_list, &new_structure, l_neutral); - value_list_append_structure_list (&new_list, &new_structure, l_bad); - gst_structure_take_value (new_structure, "locations", &new_list); - - g_list_free (l_good); - g_list_free (l_neutral); - g_list_free (l_bad); - - new_msg = gst_message_new_element (msg->src, new_structure); - gst_message_unref (msg); - - GST_DEBUG_OBJECT (dec, "new redirect message: %" GST_PTR_FORMAT, new_msg); - return new_msg; -} - -static void -handle_message (GstBin * bin, GstMessage * msg) -{ - GstURIDecodeBin3 *dec = GST_URI_DECODE_BIN3 (bin); - - switch (GST_MESSAGE_TYPE (msg)) { - case GST_MESSAGE_ELEMENT:{ - if (gst_message_has_name (msg, "redirect")) { - /* sort redirect messages based on the connection speed. This simplifies - * the user of this element as it can in most cases just pick the first item - * of the sorted list as a good redirection candidate. It can of course - * choose something else from the list if it has a better way. */ - msg = handle_redirect_message (dec, msg); - } - break; - } - case GST_MESSAGE_ERROR:{ - GError *err = NULL; - - /* Filter out missing plugin error messages from the decodebins. Only if - * all decodebins exposed no streams we will report a missing plugin - * error from no_more_pads_full() - */ - gst_message_parse_error (msg, &err, NULL); - if (g_error_matches (err, GST_CORE_ERROR, GST_CORE_ERROR_MISSING_PLUGIN) - || g_error_matches (err, GST_STREAM_ERROR, - GST_STREAM_ERROR_CODEC_NOT_FOUND)) { - dec->missing_plugin_errors = - g_list_prepend (dec->missing_plugin_errors, gst_message_ref (msg)); - - no_more_pads_full (GST_ELEMENT (GST_MESSAGE_SRC (msg)), FALSE, - GST_URI_DECODE_BIN3 (bin)); - gst_message_unref (msg); - msg = NULL; - } - g_clear_error (&err); - break; - } - default: - break; - } - - if (msg) - GST_BIN_CLASS (parent_class)->handle_message (bin, msg); -} - -/* generic struct passed to all query fold methods - * FIXME, move to core. - */ -typedef struct -{ - GstQuery *query; - gint64 min; - gint64 max; - gboolean seekable; - gboolean live; -} QueryFold; - -typedef void (*QueryInitFunction) (GstURIDecodeBin3 * dec, QueryFold * fold); -typedef void (*QueryDoneFunction) (GstURIDecodeBin3 * dec, QueryFold * fold); - -/* for duration/position we collect all durations/positions and take - * the MAX of all valid results */ -static void -decoder_query_init (GstURIDecodeBin3 * dec, QueryFold * fold) -{ - fold->min = 0; - fold->max = -1; - fold->seekable = TRUE; - fold->live = 0; -} - -static gboolean -decoder_query_duration_fold (const GValue * item, GValue * ret, - QueryFold * fold) -{ - GstPad *pad = g_value_get_object (item); - - if (gst_pad_query (pad, fold->query)) { - gint64 duration; - - g_value_set_boolean (ret, TRUE); - - gst_query_parse_duration (fold->query, NULL, &duration); - - GST_DEBUG_OBJECT (item, "got duration %" G_GINT64_FORMAT, duration); - - if (duration > fold->max) - fold->max = duration; - } - return TRUE; -} - -static void -decoder_query_duration_done (GstURIDecodeBin3 * dec, QueryFold * fold) -{ - GstFormat format; - - gst_query_parse_duration (fold->query, &format, NULL); - /* store max in query result */ - gst_query_set_duration (fold->query, format, fold->max); - - GST_DEBUG ("max duration %" G_GINT64_FORMAT, fold->max); -} - -static gboolean -decoder_query_position_fold (const GValue * item, GValue * ret, - QueryFold * fold) -{ - GstPad *pad = g_value_get_object (item); - - if (gst_pad_query (pad, fold->query)) { - gint64 position; - - g_value_set_boolean (ret, TRUE); - - gst_query_parse_position (fold->query, NULL, &position); - - GST_DEBUG_OBJECT (item, "got position %" G_GINT64_FORMAT, position); - - if (position > fold->max) - fold->max = position; - } - - return TRUE; -} - -static void -decoder_query_position_done (GstURIDecodeBin3 * dec, QueryFold * fold) -{ - GstFormat format; - - gst_query_parse_position (fold->query, &format, NULL); - /* store max in query result */ - gst_query_set_position (fold->query, format, fold->max); - - GST_DEBUG_OBJECT (dec, "max position %" G_GINT64_FORMAT, fold->max); -} - -static gboolean -decoder_query_latency_fold (const GValue * item, GValue * ret, QueryFold * fold) -{ - GstPad *pad = g_value_get_object (item); - - if (gst_pad_query (pad, fold->query)) { - GstClockTime min, max; - gboolean live; - - gst_query_parse_latency (fold->query, &live, &min, &max); - - GST_DEBUG_OBJECT (pad, - "got latency min %" GST_TIME_FORMAT ", max %" GST_TIME_FORMAT - ", live %d", GST_TIME_ARGS (min), GST_TIME_ARGS (max), live); - - if (live) { - /* for the combined latency we collect the MAX of all min latencies and - * the MIN of all max latencies */ - if (min > fold->min) - fold->min = min; - if (fold->max == -1) - fold->max = max; - else if (max < fold->max) - fold->max = max; - - fold->live = TRUE; - } - } else { - GST_LOG_OBJECT (pad, "latency query failed"); - g_value_set_boolean (ret, FALSE); - } - - return TRUE; -} - -static void -decoder_query_latency_done (GstURIDecodeBin3 * dec, QueryFold * fold) -{ - /* store max in query result */ - gst_query_set_latency (fold->query, fold->live, fold->min, fold->max); - - GST_DEBUG_OBJECT (dec, - "latency min %" GST_TIME_FORMAT ", max %" GST_TIME_FORMAT - ", live %d", GST_TIME_ARGS (fold->min), GST_TIME_ARGS (fold->max), - fold->live); -} - -/* we are seekable if all srcpads are seekable */ -static gboolean -decoder_query_seeking_fold (const GValue * item, GValue * ret, QueryFold * fold) -{ - GstPad *pad = g_value_get_object (item); - - if (gst_pad_query (pad, fold->query)) { - gboolean seekable; - - g_value_set_boolean (ret, TRUE); - gst_query_parse_seeking (fold->query, NULL, &seekable, NULL, NULL); - - GST_DEBUG_OBJECT (item, "got seekable %d", seekable); - - if (fold->seekable) - fold->seekable = seekable; - } - - return TRUE; -} - -static void -decoder_query_seeking_done (GstURIDecodeBin3 * dec, QueryFold * fold) -{ - GstFormat format; - - gst_query_parse_seeking (fold->query, &format, NULL, NULL, NULL); - gst_query_set_seeking (fold->query, format, fold->seekable, 0, -1); - - GST_DEBUG_OBJECT (dec, "seekable %d", fold->seekable); -} - -/* generic fold, return first valid result */ -static gboolean -decoder_query_generic_fold (const GValue * item, GValue * ret, QueryFold * fold) -{ - GstPad *pad = g_value_get_object (item); - gboolean res; - - if ((res = gst_pad_query (pad, fold->query))) { - g_value_set_boolean (ret, TRUE); - GST_DEBUG_OBJECT (item, "answered query %p", fold->query); - } - - /* and stop as soon as we have a valid result */ - return !res; -} - - -/* we're a bin, the default query handler iterates sink elements, which we don't - * have normally. We should just query all source pads. - */ -static gboolean -gst_uri_decode_bin3_query (GstElement * element, GstQuery * query) -{ - GstURIDecodeBin3 *decoder; - gboolean res = FALSE; - GstIterator *iter; - GstIteratorFoldFunction fold_func; - QueryInitFunction fold_init = NULL; - QueryDoneFunction fold_done = NULL; - QueryFold fold_data; - GValue ret = { 0 }; - gboolean default_ret = FALSE; - - decoder = GST_URI_DECODE_BIN3 (element); - - switch (GST_QUERY_TYPE (query)) { - case GST_QUERY_DURATION: - /* iterate and collect durations */ - fold_func = (GstIteratorFoldFunction) decoder_query_duration_fold; - fold_init = decoder_query_init; - fold_done = decoder_query_duration_done; - break; - case GST_QUERY_POSITION: - /* iterate and collect durations */ - fold_func = (GstIteratorFoldFunction) decoder_query_position_fold; - fold_init = decoder_query_init; - fold_done = decoder_query_position_done; - break; - case GST_QUERY_LATENCY: - /* iterate and collect durations */ - fold_func = (GstIteratorFoldFunction) decoder_query_latency_fold; - fold_init = decoder_query_init; - fold_done = decoder_query_latency_done; - default_ret = TRUE; - break; - case GST_QUERY_SEEKING: - /* iterate and collect durations */ - fold_func = (GstIteratorFoldFunction) decoder_query_seeking_fold; - fold_init = decoder_query_init; - fold_done = decoder_query_seeking_done; - break; - default: - fold_func = (GstIteratorFoldFunction) decoder_query_generic_fold; - break; - } - - fold_data.query = query; - - g_value_init (&ret, G_TYPE_BOOLEAN); - g_value_set_boolean (&ret, default_ret); - - iter = gst_element_iterate_src_pads (element); - GST_DEBUG_OBJECT (element, "Sending query %p (type %d) to src pads", - query, GST_QUERY_TYPE (query)); - - if (fold_init) - fold_init (decoder, &fold_data); - - while (TRUE) { - GstIteratorResult ires; - - ires = gst_iterator_fold (iter, fold_func, &ret, &fold_data); - - switch (ires) { - case GST_ITERATOR_RESYNC: - gst_iterator_resync (iter); - if (fold_init) - fold_init (decoder, &fold_data); - g_value_set_boolean (&ret, default_ret); - break; - case GST_ITERATOR_OK: - case GST_ITERATOR_DONE: - res = g_value_get_boolean (&ret); - if (fold_done != NULL && res) - fold_done (decoder, &fold_data); - goto done; - default: - res = FALSE; - goto done; - } - } -done: - gst_iterator_free (iter); - - return res; -} - -static GstStateChangeReturn -gst_uri_decode_bin3_change_state (GstElement * element, - GstStateChange transition) -{ - GstStateChangeReturn ret; - GstURIDecodeBin3 *decoder; - - decoder = GST_URI_DECODE_BIN3 (element); - - switch (transition) { - case GST_STATE_CHANGE_READY_TO_PAUSED: - do_async_start (decoder); - break; - default: - break; - } - - ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); - if (ret == GST_STATE_CHANGE_FAILURE) - goto setup_failed; - - switch (transition) { - case GST_STATE_CHANGE_READY_TO_PAUSED: - GST_DEBUG ("ready to paused"); - if (!setup_source (decoder)) - goto source_failed; - - ret = GST_STATE_CHANGE_ASYNC; - - /* And now sync the states of everything we added */ - g_slist_foreach (decoder->decodebins, - (GFunc) gst_element_sync_state_with_parent, NULL); - if (decoder->typefind) - ret = gst_element_set_state (decoder->typefind, GST_STATE_PAUSED); - if (ret == GST_STATE_CHANGE_FAILURE) - goto setup_failed; - if (decoder->queue) - ret = gst_element_set_state (decoder->queue, GST_STATE_PAUSED); - if (ret == GST_STATE_CHANGE_FAILURE) - goto setup_failed; - if (decoder->source) - ret = gst_element_set_state (decoder->source, GST_STATE_PAUSED); - if (ret == GST_STATE_CHANGE_FAILURE) - goto setup_failed; - if (ret == GST_STATE_CHANGE_SUCCESS) - ret = GST_STATE_CHANGE_ASYNC; - - break; - case GST_STATE_CHANGE_PAUSED_TO_READY: - GST_DEBUG ("paused to ready"); - remove_decoders (decoder, FALSE); - remove_source (decoder); - do_async_done (decoder); - g_list_free_full (decoder->missing_plugin_errors, - (GDestroyNotify) gst_message_unref); - decoder->missing_plugin_errors = NULL; - break; - case GST_STATE_CHANGE_READY_TO_NULL: - GST_DEBUG ("ready to null"); - remove_decoders (decoder, TRUE); - remove_source (decoder); - break; - default: - break; - } - - if (ret == GST_STATE_CHANGE_NO_PREROLL) - do_async_done (decoder); - - return ret; - - /* ERRORS */ -source_failed: - { - do_async_done (decoder); - return GST_STATE_CHANGE_FAILURE; - } -setup_failed: - { - /* clean up leftover groups */ - do_async_done (decoder); - return GST_STATE_CHANGE_FAILURE; - } -} - -gboolean -gst_uri_decode_bin3_plugin_init (GstPlugin * plugin) -{ - GST_DEBUG_CATEGORY_INIT (gst_uri_decode_bin3_debug, "uridecodebin3", 0, - "URI decoder element"); - - return gst_element_register (plugin, "uridecodebin3", GST_RANK_NONE, - GST_TYPE_URI_DECODE_BIN3); -}