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