diff options
Diffstat (limited to 'gst/playback/gststreaminfo.c')
| -rw-r--r-- | gst/playback/gststreaminfo.c | 402 |
1 files changed, 0 insertions, 402 deletions
diff --git a/gst/playback/gststreaminfo.c b/gst/playback/gststreaminfo.c deleted file mode 100644 index 86ec58a3..00000000 --- a/gst/playback/gststreaminfo.c +++ /dev/null @@ -1,402 +0,0 @@ -/* GStreamer - * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <string.h> -#include <gst/gst.h> -#include "gststreaminfo.h" - -GST_DEBUG_CATEGORY_STATIC (gst_streaminfo_debug); -#define GST_CAT_DEFAULT gst_streaminfo_debug - -/* props */ -enum -{ - ARG_0, - ARG_PAD, - ARG_TYPE, - ARG_DECODER, - ARG_MUTE, - ARG_CAPS, - ARG_LANG_CODE, - ARG_CODEC -}; - -/* signals */ -enum -{ - SIGNAL_MUTED, - LAST_SIGNAL -}; - -static guint gst_stream_info_signals[LAST_SIGNAL] = { 0 }; - -#define GST_TYPE_STREAM_TYPE (gst_stream_type_get_type()) -static GType -gst_stream_type_get_type (void) -{ - static GType stream_type_type = 0; - static const GEnumValue stream_type[] = { - {GST_STREAM_TYPE_UNKNOWN, "Unknown stream", "unknown"}, - {GST_STREAM_TYPE_AUDIO, "Audio stream", "audio"}, - {GST_STREAM_TYPE_VIDEO, "Video stream", "video"}, - {GST_STREAM_TYPE_TEXT, "Text stream", "text"}, - {GST_STREAM_TYPE_SUBPICTURE, "Subpicture stream", "subpicture"}, - {GST_STREAM_TYPE_ELEMENT, - "Stream handled by element", "element"}, - {0, NULL, NULL}, - }; - - if (!stream_type_type) { - stream_type_type = g_enum_register_static ("GstStreamType", stream_type); - } - return stream_type_type; -} - -static void gst_stream_info_class_init (GstStreamInfoClass * klass); -static void gst_stream_info_init (GstStreamInfo * stream_info); -static void gst_stream_info_dispose (GObject * object); - -static void stream_info_change_state (GstElement * element, - gint old_state, gint new_state, gpointer data); - -static void gst_stream_info_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * spec); -static void gst_stream_info_get_property (GObject * object, guint prop_id, - GValue * value, GParamSpec * spec); - -static GObjectClass *parent_class; - -//static guint gst_stream_info_signals[LAST_SIGNAL] = { 0 }; - -GType -gst_stream_info_get_type (void) -{ - static GType gst_stream_info_type = 0; - - if (!gst_stream_info_type) { - static const GTypeInfo gst_stream_info_info = { - sizeof (GstStreamInfoClass), - NULL, - NULL, - (GClassInitFunc) gst_stream_info_class_init, - NULL, - NULL, - sizeof (GstStreamInfo), - 0, - (GInstanceInitFunc) gst_stream_info_init, - NULL - }; - gst_stream_info_type = g_type_register_static (G_TYPE_OBJECT, - "GstStreamInfo", &gst_stream_info_info, 0); - } - - return gst_stream_info_type; -} - -static void -gst_stream_info_class_init (GstStreamInfoClass * klass) -{ - GObjectClass *gobject_klass; - - gobject_klass = (GObjectClass *) klass; - - parent_class = g_type_class_peek_parent (klass); - - gobject_klass->set_property = gst_stream_info_set_property; - gobject_klass->get_property = gst_stream_info_get_property; - - g_object_class_install_property (gobject_klass, ARG_PAD, - g_param_spec_object ("object", "object", - "Source Pad or object of the stream", GST_TYPE_OBJECT, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); - g_object_class_install_property (gobject_klass, ARG_TYPE, - g_param_spec_enum ("type", "Type", "Type of the stream", - GST_TYPE_STREAM_TYPE, GST_STREAM_TYPE_UNKNOWN, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); - g_object_class_install_property (gobject_klass, ARG_DECODER, - g_param_spec_string ("decoder", "Decoder", - "The decoder used to decode the stream", NULL, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); - g_object_class_install_property (gobject_klass, ARG_MUTE, - g_param_spec_boolean ("mute", "Mute", "Mute or unmute this stream", FALSE, - G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - g_object_class_install_property (gobject_klass, ARG_CAPS, - g_param_spec_boxed ("caps", "Capabilities", - "Capabilities (or type) of this stream", GST_TYPE_CAPS, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); - g_object_class_install_property (gobject_klass, ARG_LANG_CODE, - g_param_spec_string ("language-code", "Language code", - "Language code for this stream, conforming to ISO-639-1", NULL, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); - g_object_class_install_property (gobject_klass, ARG_CODEC, - g_param_spec_string ("codec", "Codec", "Codec used to encode the stream", - NULL, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); - - gst_stream_info_signals[SIGNAL_MUTED] = - g_signal_new ("muted", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (GstStreamInfoClass, muted), NULL, NULL, - gst_marshal_VOID__BOOLEAN, G_TYPE_NONE, 1, G_TYPE_BOOLEAN); - - gobject_klass->dispose = gst_stream_info_dispose; - - GST_DEBUG_CATEGORY_INIT (gst_streaminfo_debug, "streaminfo", 0, - "Playbin Stream Info"); -} - - -static void -gst_stream_info_init (GstStreamInfo * stream_info) -{ - stream_info->object = NULL; - stream_info->origin = NULL; - stream_info->type = GST_STREAM_TYPE_UNKNOWN; - stream_info->decoder = NULL; - stream_info->mute = FALSE; - stream_info->caps = NULL; -} - -static gboolean -cb_probe (GstPad * pad, GstEvent * e, gpointer user_data) -{ - GstStreamInfo *info = user_data; - - if (GST_EVENT_TYPE (e) == GST_EVENT_TAG) { - gchar *codec, *lang; - GstTagList *list; - - gst_event_parse_tag (e, &list); - - if (info->type != GST_STREAM_TYPE_AUDIO && - gst_tag_list_get_string (list, GST_TAG_VIDEO_CODEC, &codec)) { - g_free (info->codec); - info->codec = codec; - GST_LOG_OBJECT (pad, "codec = %s (video)", codec); - g_object_notify (G_OBJECT (info), "codec"); - } else if (info->type != GST_STREAM_TYPE_VIDEO && - gst_tag_list_get_string (list, GST_TAG_AUDIO_CODEC, &codec)) { - g_free (info->codec); - info->codec = codec; - GST_LOG_OBJECT (pad, "codec = %s (audio)", codec); - g_object_notify (G_OBJECT (info), "codec"); - } else if (gst_tag_list_get_string (list, GST_TAG_CODEC, &codec)) { - g_free (info->codec); - info->codec = codec; - GST_LOG_OBJECT (pad, "codec = %s (generic)", codec); - g_object_notify (G_OBJECT (info), "codec"); - } - if (gst_tag_list_get_string (list, GST_TAG_LANGUAGE_CODE, &lang)) { - g_free (info->langcode); - info->langcode = lang; - GST_LOG_OBJECT (pad, "language-code = %s", lang); - g_object_notify (G_OBJECT (info), "language-code"); - } - } - - return TRUE; -} - -GstStreamInfo * -gst_stream_info_new (GstObject * object, - GstStreamType type, const gchar * decoder, const GstCaps * caps) -{ - GstStreamInfo *info; - - info = g_object_new (GST_TYPE_STREAM_INFO, NULL); - - gst_object_ref (object); - if (GST_IS_PAD (object)) { - gst_pad_add_event_probe (GST_PAD_CAST (object), - G_CALLBACK (cb_probe), info); - } - info->object = object; - info->type = type; - info->decoder = g_strdup (decoder); - info->origin = object; - if (caps) { - info->caps = gst_caps_copy (caps); - } - - return info; -} - -static void -gst_stream_info_dispose (GObject * object) -{ - GstStreamInfo *stream_info; - - stream_info = GST_STREAM_INFO (object); - - if (stream_info->object) { - GstElement *parent; - - parent = gst_pad_get_parent_element ((GstPad *) - GST_PAD_CAST (stream_info->object)); - if (parent != NULL) { - g_signal_handlers_disconnect_by_func (parent, - (gpointer) stream_info_change_state, stream_info); - gst_object_unref (parent); - } - - gst_object_unref (stream_info->object); - stream_info->object = NULL; - } - stream_info->origin = NULL; - stream_info->type = GST_STREAM_TYPE_UNKNOWN; - g_free (stream_info->decoder); - stream_info->decoder = NULL; - g_free (stream_info->langcode); - stream_info->langcode = NULL; - g_free (stream_info->codec); - stream_info->codec = NULL; - if (stream_info->caps) { - gst_caps_unref (stream_info->caps); - stream_info->caps = NULL; - } - - if (G_OBJECT_CLASS (parent_class)->dispose) { - G_OBJECT_CLASS (parent_class)->dispose (object); - } -} - -static void -stream_info_change_state (GstElement * element, - gint old_state, gint new_state, gpointer data) -{ - GstStreamInfo *stream_info = data; - - if (new_state == GST_STATE_PLAYING) { - /* state change will annoy us */ - g_return_if_fail (stream_info->mute == TRUE); - GST_DEBUG_OBJECT (stream_info, "Re-muting pads after state-change"); - //gst_pad_set_active_recursive (GST_PAD (stream_info->object), FALSE); - g_warning ("FIXME"); - } -} - -gboolean -gst_stream_info_set_mute (GstStreamInfo * stream_info, gboolean mute) -{ - g_return_val_if_fail (GST_IS_STREAM_INFO (stream_info), FALSE); - - if (stream_info->type == GST_STREAM_TYPE_ELEMENT) { - g_warning ("cannot mute element stream"); - return FALSE; - } - - if (mute != stream_info->mute) { - /* nothing really happens here. it looks like gstplaybasebin installs a - * buffer probe hat drops buffers when muting. but the this removes it self - * after first call. - */ - - stream_info->mute = mute; -#if 0 - gst_pad_set_active ((GstPad *) GST_PAD_CAST (stream_info->object), !mute); -#endif -#if 0 - { - GstElement *element; - - element = gst_pad_get_parent_element ((GstPad *) - GST_PAD_CAST (stream_info->object)); - if (element) { - if (mute) { - g_signal_connect (element, "state-changed", - G_CALLBACK (stream_info_change_state), stream_info); - } else { - g_signal_handlers_disconnect_by_func (element, - G_CALLBACK (stream_info_change_state), stream_info); - } - gst_object_unref (element); - } - } -#endif - } - return TRUE; -} - -gboolean -gst_stream_info_is_mute (GstStreamInfo * stream_info) -{ - g_return_val_if_fail (GST_IS_STREAM_INFO (stream_info), TRUE); - - return stream_info->mute; -} - -static void -gst_stream_info_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec) -{ - GstStreamInfo *stream_info; - - g_return_if_fail (GST_IS_STREAM_INFO (object)); - - stream_info = GST_STREAM_INFO (object); - - switch (prop_id) { - case ARG_MUTE: - gst_stream_info_set_mute (stream_info, g_value_get_boolean (value)); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -gst_stream_info_get_property (GObject * object, guint prop_id, GValue * value, - GParamSpec * pspec) -{ - GstStreamInfo *stream_info; - - g_return_if_fail (GST_IS_STREAM_INFO (object)); - - stream_info = GST_STREAM_INFO (object); - - switch (prop_id) { - case ARG_PAD: - g_value_set_object (value, stream_info->object); - break; - case ARG_TYPE: - g_value_set_enum (value, stream_info->type); - break; - case ARG_DECODER: - g_value_set_string (value, stream_info->decoder); - break; - case ARG_MUTE: - g_value_set_boolean (value, stream_info->mute); - break; - case ARG_CAPS: - g_value_set_boxed (value, stream_info->caps); - break; - case ARG_LANG_CODE: - g_value_set_string (value, stream_info->langcode); - break; - case ARG_CODEC: - g_value_set_string (value, stream_info->codec); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} |