--- /dev/null
+/* GStreamer
+ * Copyright (C) 2007 David Schleef <ds@schleef.org>
+ *
+ * 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_APP_SRC_H_
+#define _GST_APP_SRC_H_
+
+#include <gst/gst.h>
+#include <gst/base/gstpushsrc.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_APP_SRC \
+ (gst_app_src_get_type())
+#define GST_APP_SRC(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_APP_SRC,GstAppSrc))
+#define GST_APP_SRC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_APP_SRC,GstAppSrcClass))
+#define GST_IS_APP_SRC(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_APP_SRC))
+#define GST_IS_APP_SRC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_APP_SRC))
+/* Since 0.10.23 */
+#define GST_APP_SRC_CAST(obj) \
+ ((GstAppSrc*)(obj))
+
+typedef struct _GstAppSrc GstAppSrc;
+typedef struct _GstAppSrcClass GstAppSrcClass;
+typedef struct _GstAppSrcPrivate GstAppSrcPrivate;
+
+/**
+ * GstAppSrcCallbacks:
+ * @need_data: Called when the appsrc needs more data. A buffer or EOS should be
+ * pushed to appsrc from this thread or another thread. @length is just a hint
+ * and when it is set to -1, any number of bytes can be pushed into @appsrc.
+ * @enough_data: Called when appsrc has enough data. It is recommended that the
+ * application stops calling push-buffer until the need_data callback is
+ * emited again to avoid excessive buffer queueing.
+ * @seek_data: Called when a seek should be performed to the offset.
+ * The next push-buffer should produce buffers from the new @offset.
+ * This callback is only called for seekable stream types.
+ *
+ * A set of callbacks that can be installed on the appsrc with
+ * gst_app_src_set_callbacks().
+ *
+ * Since: 0.10.23
+ */
+typedef struct {
+ void (*need_data) (GstAppSrc *src, guint length, gpointer user_data);
+ void (*enough_data) (GstAppSrc *src, gpointer user_data);
+ gboolean (*seek_data) (GstAppSrc *src, guint64 offset, gpointer user_data);
+
+ /*< private >*/
+ gpointer _gst_reserved[GST_PADDING];
+} GstAppSrcCallbacks;
+
+/**
+ * GstAppStreamType:
+ * @GST_APP_STREAM_TYPE_STREAM: No seeking is supported in the stream, such as a
+ * live stream.
+ * @GST_APP_STREAM_TYPE_SEEKABLE: The stream is seekable but seeking might not
+ * be very fast, such as data from a webserver.
+ * @GST_APP_STREAM_TYPE_RANDOM_ACCESS: The stream is seekable and seeking is fast,
+ * such as in a local file.
+ *
+ * The stream type.
+ */
+typedef enum
+{
+ GST_APP_STREAM_TYPE_STREAM,
+ GST_APP_STREAM_TYPE_SEEKABLE,
+ GST_APP_STREAM_TYPE_RANDOM_ACCESS
+} GstAppStreamType;
+
+struct _GstAppSrc
+{
+ GstBaseSrc basesrc;
+
+ /*< private >*/
+ GstAppSrcPrivate *priv;
+
+ /*< private >*/
+ gpointer _gst_reserved[GST_PADDING];
+};
+
+struct _GstAppSrcClass
+{
+ GstBaseSrcClass basesrc_class;
+
+ /* signals */
+ void (*need_data) (GstAppSrc *src, guint length);
+ void (*enough_data) (GstAppSrc *src);
+ gboolean (*seek_data) (GstAppSrc *src, guint64 offset);
+
+ /* actions */
+ GstFlowReturn (*push_buffer) (GstAppSrc *src, GstBuffer *buffer);
+ GstFlowReturn (*end_of_stream) (GstAppSrc *src);
+
+ /*< private >*/
+ gpointer _gst_reserved[GST_PADDING];
+};
+
+GType gst_app_src_get_type(void);
+
+/* GType getter for GstAppStreamType, since 0.10.32 */
+#define GST_TYPE_APP_STREAM_TYPE (gst_app_stream_type_get_type ())
+GType gst_app_stream_type_get_type (void);
+
+void gst_app_src_set_caps (GstAppSrc *appsrc, const GstCaps *caps);
+GstCaps* gst_app_src_get_caps (GstAppSrc *appsrc);
+
+void gst_app_src_set_size (GstAppSrc *appsrc, gint64 size);
+gint64 gst_app_src_get_size (GstAppSrc *appsrc);
+
+void gst_app_src_set_stream_type (GstAppSrc *appsrc, GstAppStreamType type);
+GstAppStreamType gst_app_src_get_stream_type (GstAppSrc *appsrc);
+
+void gst_app_src_set_max_bytes (GstAppSrc *appsrc, guint64 max);
+guint64 gst_app_src_get_max_bytes (GstAppSrc *appsrc);
+
+void gst_app_src_set_latency (GstAppSrc *appsrc, guint64 min, guint64 max);
+void gst_app_src_get_latency (GstAppSrc *appsrc, guint64 *min, guint64 *max);
+
+void gst_app_src_set_emit_signals (GstAppSrc *appsrc, gboolean emit);
+gboolean gst_app_src_get_emit_signals (GstAppSrc *appsrc);
+
+GstFlowReturn gst_app_src_push_buffer (GstAppSrc *appsrc, GstBuffer *buffer);
+GstFlowReturn gst_app_src_end_of_stream (GstAppSrc *appsrc);
+
+void gst_app_src_set_callbacks (GstAppSrc * appsrc,
+ GstAppSrcCallbacks *callbacks,
+ gpointer user_data,
+ GDestroyNotify notify);
+
+G_END_DECLS
+
+#endif
+
projects / mafwsubrenderer / blobdiff