[gst-devel] Re: Gnome Sound API (urgent)

[Christian Schaller]

Hi Martin,
Ok, 
I will get Erik or Wim to comment on this as soon as they get online.
Thanks.

Christian

On 03 Aug 2001 18:39:28 +0200, Martin Baulig wrote:
> Hi Christian,
> 
> can you please have a short look at the new GNOME Sound API which
> I just committed in libgnome/gnome-sound.h ?
> 
> Unfortunately, this stuff is a little bit urgent since I want to
> make the libgnome release tonight. We can still change the API
> later on if absolutely necessary, but we should try hard to do it
> correctly in the the first place.
> 
> Below is what's currently in gnome-sound.h - if you want to use
> GStreamer as backend or at least have support for this, we need
> to make sure that the `GnomeSoundPlugin' struct suits your needs.
> 
> =====
> typedef struct _GnomeSoundSample GnomeSoundSample;
> typedef struct _GnomeSoundPlugin GnomeSoundPlugin;
> 
> struct _GnomeSoundPlugin {
>     gulong version;
>     const gchar *name;
> 
>     gboolean (*init) (const gchar *backend_args,
> 		      GError **error);
>     void (*shutdown) (GError **error);
> 
>     void (*play_file) (const gchar *filename,
> 		       GError **error);
> 
>     GnomeSoundSample * (*sample_new) (const gchar *name,
> 				      GError **error);
>     int (*sample_write) (GnomeSoundSample *gs,
> 			 guint n_bytes, gpointer bytes,
> 			 GError **error);
>     void (*sample_write_done) (GnomeSoundSample *gs,
> 			       GError **error);
> 
>     GnomeSoundSample * (*sample_new_from_file) (const gchar *filename,
> 						GError **error);
>     void (*sample_play) (GnomeSoundSample *gs,
> 			 GError **error);
>     gboolean (*sample_is_playing) (GnomeSoundSample *gs,
> 				   GError **error);
>     void (*sample_stop) (GnomeSoundSample *gs,
> 			 GError **error);
>     void (*sample_wait_done) (GnomeSoundSample *gs,
> 			      GError **error);
>     void (*sample_release) (GnomeSoundSample *gs,
> 			    GError **error);
> };
> 
> typedef enum
> {
>     /* no sound driver */
>     GNOME_SOUND_ERROR_NODRIVER,
>     /* not implemented */
>     GNOME_SOUND_ERROR_NOT_IMPLEMENTED,
>     /* device busy */
>     GNOME_SOUND_ERROR_DEVICE_BUSY,
>     /* I/O eror */
>     GNOME_SOUND_ERROR_IO,
>     /* Insufficient permissions */
>     GNOME_SOUND_ERROR_PERMS,
>     /* misc error */
>     GNOME_SOUND_ERROR_MISC
> } GnomeSoundError;
> 
> #define GNOME_SOUND_ERROR gnome_sound_error_quark ()
> GQuark gnome_sound_error_quark (void) G_GNUC_CONST;
> 
> void gnome_sound_init (const gchar *driver_name,
> 		       const gchar *backend_args,
> 		       const GnomeSoundPlugin *opt_plugin,
> 		       GError **error);
> 
> void gnome_sound_shutdown (GError **error);
> 
> void gnome_sound_play (const char *filename,
> 		       GError **error);
> 
> GnomeSoundSample *
> gnome_sound_sample_new_from_file (const char *filename,
> 				  GError **error);
> 
> GnomeSoundSample *
> gnome_sound_sample_new (const char *sample_name,
> 			GError **error);
> 
> int
> gnome_sound_sample_write (GnomeSoundSample *gs,
> 			  guint n_bytes, gpointer bytes,
> 			  GError **error);
> 
> void
> gnome_sound_sample_write_done (GnomeSoundSample *gs,
> 			       GError **error);
> 
> void
> gnome_sound_sample_play (GnomeSoundSample *gs,
> 			 GError **error);
> 
> gboolean
> gnome_sound_sample_is_playing (GnomeSoundSample *gs,
> 			       GError **error);
> 
> void
> gnome_sound_sample_stop (GnomeSoundSample *gs,
> 			 GError **error);
> 
> void
> gnome_sound_sample_wait_done (GnomeSoundSample *gs,
> 			      GError **error);
> 
> void
> gnome_sound_sample_release (GnomeSoundSample *gs,
> 			    GError **error);
> =====
> 
> -- 
> Martin Baulig
> martin at gnome.org (private)
> baulig at suse.de (work)
>