Added gst-plugins-base-subtitles0.10-0.10.34 for Meego Harmattan 1.2

[mafwsubrenderer] / gst-plugins-base-subtitles0.10 / gst-libs / gst / audio / gstaudiosrc.h

diff --git a/gst-plugins-base-subtitles0.10/gst-libs/gst/audio/gstaudiosrc.h b/gst-plugins-base-subtitles0.10/gst-libs/gst/audio/gstaudiosrc.h
new file mode 100644 (file)
index 0000000..d3b714d
--- /dev/null
+++ b/gst-plugins-base-subtitles0.10/gst-libs/gst/audio/gstaudiosrc.h
@@ -0,0 +1,99 @@
+/* GStreamer
+ * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
+ *                    2005 Wim Taymans <wim@fluendo.com>
+ *
+ * gstaudiosrc.h:
+ *
+ * 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 __GST_AUDIO_SRC_H__
+#define __GST_AUDIO_SRC_H__
+
+#include <gst/gst.h>
+#include <gst/audio/gstbaseaudiosrc.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_AUDIO_SRC              (gst_audio_src_get_type())
+#define GST_AUDIO_SRC(obj)              (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_SRC,GstAudioSrc))
+#define GST_AUDIO_SRC_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AUDIO_SRC,GstAudioSrcClass))
+#define GST_AUDIO_SRC_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_AUDIO_SRC,GstAudioSrcClass))
+#define GST_IS_AUDIO_SRC(obj)           (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_SRC))
+#define GST_IS_AUDIO_SRC_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AUDIO_SRC))
+
+typedef struct _GstAudioSrc GstAudioSrc;
+typedef struct _GstAudioSrcClass GstAudioSrcClass;
+
+/**
+ * GstAudioSrc:
+ * @element: parent class
+ *
+ * Base class for simple audio sources.
+ */
+struct _GstAudioSrc {
+  GstBaseAudioSrc        element;
+
+  /*< private >*/ /* with LOCK */
+  GThread   *thread;
+
+  /*< private >*/
+  gpointer _gst_reserved[GST_PADDING];
+};
+
+/**
+ * GstAudioSrcClass:
+ * @parent_class: the parent class.
+ * @open: open the device with the specified caps
+ * @prepare: configure device with format
+ * @unprepare: undo the configuration
+ * @close: close the device
+ * @read: read samples to the audio device
+ * @delay: the number of samples queued in the device
+ * @reset: unblock a read to the device and reset.
+ *
+ * #GstAudioSrc class. Override the vmethod to implement
+ * functionality.
+ */
+struct _GstAudioSrcClass {
+  GstBaseAudioSrcClass parent_class;
+
+  /* vtable */
+
+  /* open the device with given specs */
+  gboolean (*open)      (GstAudioSrc *src);
+  /* prepare resources and state to operate with the given specs */
+  gboolean (*prepare)   (GstAudioSrc *src, GstRingBufferSpec *spec);
+  /* undo anything that was done in prepare() */
+  gboolean (*unprepare) (GstAudioSrc *src);
+  /* close the device */
+  gboolean (*close)     (GstAudioSrc *src);
+  /* read samples from the device */
+  guint    (*read)      (GstAudioSrc *src, gpointer data, guint length);
+  /* get number of samples queued in the device */
+  guint    (*delay)     (GstAudioSrc *src);
+  /* reset the audio device, unblock from a write */
+  void     (*reset)     (GstAudioSrc *src);
+
+  /*< private >*/
+  gpointer _gst_reserved[GST_PADDING];
+};
+
+GType gst_audio_src_get_type(void);
+
+G_END_DECLS
+
+#endif /* __GST_AUDIO_SRC_H__ */