+++ /dev/null
-/* 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., 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 <string.h>
-
-#include <gst/gst.h>
-#include <gst/gst-i18n-plugin.h>
-#include <gst/pbutils/missing-plugins.h>
-
-#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.
- *
- * <note>
- * Invocation of signal handlers stops after the first signal handler
- * returns #FALSE. Signal handlers are invoked in the order they were
- * connected in.
- * </note>
- *
- * 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.
- *
- * <note>
- * 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!
- * </note>
- *
- * 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.
- *
- * <note>
- * 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!
- * </note>
- *
- * 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.
- *
- * <note>
- * 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.
- * </note>
- *
- * 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 <wim.taymans@gmail.com>");
-
- 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);
-}
projects / platform / upstream / gstreamer.git / commitdiff