/* GStreamer * Copyright (C) 1999,2000,2001,2002 Erik Walthinsen * 2000,2001,2002 Wim Taymans * 2002 Steve Baker * 2003 Julien Moutte * * play.h: GstPlay object code * * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifndef __GSTPLAY_H__ #define __GSTPLAY_H__ #include #include /* * GstPlay is a simple class for audio and video playback. * It's job is to get the media (supplied by a URI) played. * More specific it should get the media from source to the output elements. * How that is done should not be relevant for developers using this class. * A user using this class should not have to know very much about how * GStreamer works, other than that it plays back media. * Additionally it supplies signals to get information about the current * playing state. */ typedef enum { GST_PLAY_OK, GST_PLAY_UNKNOWN_MEDIA, GST_PLAY_CANNOT_PLAY, GST_PLAY_ERROR, } GstPlayReturn; typedef enum { GST_PLAY_PIPE_AUDIO, GST_PLAY_PIPE_AUDIO_THREADED, GST_PLAY_PIPE_AUDIO_HYPER_THREADED, GST_PLAY_PIPE_VIDEO, GST_PLAY_PIPE_VIDEO_VISUALISATION, } GstPlayPipeType; typedef enum { GST_PLAY_ERROR_FAKESINK, GST_PLAY_ERROR_THREAD, GST_PLAY_ERROR_QUEUE, GST_PLAY_ERROR_GNOMEVFSSRC, GST_PLAY_ERROR_VOLUME, GST_PLAY_ERROR_COLORSPACE, GST_PLAY_ERROR_LAST, } GstPlayError; typedef enum { GST_PLAY_SINK_TYPE_AUDIO, GST_PLAY_SINK_TYPE_VIDEO, GST_PLAY_SINK_TYPE_ANY, } GstPlaySinkType; #define GST_PLAY_ERROR gst_play_error_quark () #define GST_TYPE_PLAY (gst_play_get_type()) #define GST_PLAY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PLAY, GstPlay)) #define GST_PLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PLAY, GstPlayClass)) #define GST_IS_PLAY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PLAY)) #define GST_IS_PLAY_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PLAY)) #define GST_PLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_PLAY, GstPlayClass)) typedef struct _GstPlay GstPlay; typedef struct _GstPlayClass GstPlayClass; typedef struct _GstPlayIdleData GstPlayIdleData; typedef guint (*GstPlayTimeoutAdd) (guint interval, GSourceFunc function, gpointer data); typedef guint (*GstPlayIdleAdd) (GSourceFunc function, gpointer data); struct _GstPlay { GObject parent; gboolean (*setup_pipeline) (GstPlay * play, GError ** error); void (*teardown_pipeline) (GstPlay * play); gboolean (*set_data_src) (GstPlay * play, GstElement * datasrc); gboolean (*set_autoplugger) (GstPlay * play, GstElement * autoplugger); gboolean (*set_video_sink) (GstPlay * play, GstElement * videosink); gboolean (*set_audio_sink) (GstPlay * play, GstElement * audiosink); /* core elements */ GstElement *pipeline; GstElement *volume; GstElement *source; GstElement *autoplugger; GstElement *video_sink; GstElement *video_sink_element; GstElement *audio_sink; GstElement *audio_sink_element; GstElement *visualisation_sink_element; GstDParamManager *vol_dpman; GstDParam *vol_dparam; GHashTable *other_elements; GstClock *clock; gboolean need_stream_length; gboolean need_seek; gint time_seconds; gint get_length_attempt; gint64 seek_time; gint64 time_nanos; gint64 length_nanos; GAsyncQueue *signal_queue; GstPlayTimeoutAdd timeout_add_func; GstPlayIdleAdd idle_add_func; }; struct _GstPlayClass { GObjectClass parent_class; /* signals */ void (*information) (GstPlay * play, GstObject * element, GParamSpec * param); void (*pipeline_error) (GstPlay * play, GstElement * element, char *error); void (*state_changed) (GstPlay * play, GstElementState old_state, GstElementState new_state); void (*stream_end) (GstPlay * play); void (*time_tick) (GstPlay * play, gint64 time_nanos); void (*stream_length) (GstPlay * play, gint64 length_nanos); void (*have_xid) (GstPlay * play, gint xid); void (*have_vis_xid) (GstPlay * play, gint xid); void (*have_video_size) (GstPlay * play, gint width, gint height); }; struct _GstPlayIdleData { GSourceFunc func; gpointer data; }; void gst_play_seek_to_time (GstPlay * play, gint64 time_nanos); void gst_play_need_new_video_window (GstPlay * play); void gst_play_set_idle_timeout_funcs (GstPlay * play, GstPlayTimeoutAdd timeout_add_func, GstPlayIdleAdd idle_add_func); GstElement *gst_play_get_sink_element (GstPlay * play, GstElement * element, GstPlaySinkType sink_type); /* Set/Get state */ GstElementStateReturn gst_play_set_state (GstPlay * play, GstElementState state); GstElementState gst_play_get_state (GstPlay * play); /* Set/Get location */ gboolean gst_play_set_location (GstPlay * play, const gchar * location); gchar *gst_play_get_location (GstPlay * play); /* Set/Get volume */ void gst_play_set_volume (GstPlay * play, gfloat volume); gfloat gst_play_get_volume (GstPlay * play); /* Set/Get mute */ void gst_play_set_mute (GstPlay * play, gboolean mute); gboolean gst_play_get_mute (GstPlay * play); /* Set sinks and data src */ gboolean gst_play_set_data_src (GstPlay * play, GstElement * data_src); gboolean gst_play_set_video_sink (GstPlay * play, GstElement * video_sink); gboolean gst_play_set_visualisation_video_sink (GstPlay * play, GstElement * video_sink); gboolean gst_play_set_audio_sink (GstPlay * play, GstElement * audio_sink); gboolean gst_play_set_visualisation_element (GstPlay * play, GstElement * element); gboolean gst_play_connect_visualisation (GstPlay * play, gboolean connect); GType gst_play_get_type (void); GstPlay *gst_play_new (GstPlayPipeType pipe_type, GError ** error); #endif /* __GSTPLAY_H__ */