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7ca8563737
Original commit message from CVS: Made a theorical libgstplay which refs/unrefs elements before putting them in AsyncQueue. Added a "pipeline_error" signal which will later allow the player and apps to detect that pipeline was unable to play and why... This version is NOT STABLE AT ALL. it will need fixes in core but i commit it as is so that we fix those problems
250 lines
6.6 KiB
C
250 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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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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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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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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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,
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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 *visualisation_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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GMutex *audio_bin_mutex;
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GMutex *video_bin_mutex;
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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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};
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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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GstElement* element,
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GParamSpec *param);
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void (*pipeline_error) ( GstPlay* play,
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GstElement* element,
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gchar *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,
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gint64 time_nanos);
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void (*stream_length) ( GstPlay* play,
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gint64 length_nanos);
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void (*have_xid) ( GstPlay* play,
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gint xid);
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void (*have_vis_xid) ( GstPlay* play,
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gint xid);
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void (*have_video_size) ( GstPlay* play,
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gint width,
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gint height);
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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
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gst_play_seek_to_time ( GstPlay *play,
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gint64 time_nanos);
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void
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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*
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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,
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GstElementState state);
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GstElementState
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gst_play_get_state (GstPlay *play);
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/* Set/Get location */
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gboolean
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gst_play_set_location ( GstPlay *play,
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const gchar *location);
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gchar*
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gst_play_get_location (GstPlay *play);
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/* Set/Get volume */
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void
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gst_play_set_volume ( GstPlay *play,
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gfloat volume);
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gfloat
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gst_play_get_volume (GstPlay *play);
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/* Set/Get mute */
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void
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gst_play_set_mute ( GstPlay *play,
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gboolean mute);
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gboolean
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gst_play_get_mute (GstPlay *play);
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/* Set sinks and data src */
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gboolean
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gst_play_set_data_src ( GstPlay *play,
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GstElement *data_src);
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gboolean
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gst_play_set_video_sink ( GstPlay *play,
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GstElement *video_sink);
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gboolean
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gst_play_set_visualisation_video_sink ( GstPlay *play,
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GstElement *video_sink);
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gboolean
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gst_play_set_audio_sink ( GstPlay *play,
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GstElement *audio_sink);
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gboolean
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gst_play_set_visualisation_element ( GstPlay *play,
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GstElement *element);
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gboolean
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gst_play_connect_visualisation ( GstPlay *play,
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gboolean connect);
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GType
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gst_play_get_type (void);
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GstPlay *
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gst_play_new ( GstPlayPipeType pipe_type,
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GError **error);
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#endif /* __GSTPLAY_H__ */
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