add gstsnapshot : drop a frame to a png file when the plugin recieved a signal or at a given frame

Original commit message from CVS:
add gstsnapshot : drop a frame to a png file when the plugin recieved a signal or
at a given frame

1 files changed, 83 insertions, 0 deletions

diff --git a/ext/snapshot/gstsnapshot.h b/ext/snapshot/gstsnapshot.h
new file mode 100644
index 000000000..d0d7221c7
--- /dev/null
+++ b/ext/snapshot/gstsnapshot.h
@@ -0,0 +1,83 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * 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_SNAPSHOT_H__
+#define __GST_SNAPSHOT_H__
+
+
+#include <config.h>
+#include <gst/gst.h>
+#include <png.h>
+
+#include "../hermes/yuv2rgb.h"
+#include "../hermes/yuv2yuv.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define GST_TYPE_SNAPSHOT \
+  (gst_snapshot_get_type())
+#define GST_SNAPSHOT(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SNAPSHOT,GstShot))
+#define GST_SNAPSHOT_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SNAPSHOT,GstShot))
+#define GST_IS_SNAPSHOT(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SNAPSHOT))
+#define GST_IS_SNAPSHOT_CLASS(obj) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SNAPSHOT))
+
+typedef struct _GstShot GstShot;
+typedef struct _GstShotClass GstShotClass;
+
+struct _GstShot {
+  GstElement element;
+
+  guint32 format;
+  gint width;
+  gint height;
+  gint to_bpp;
+  glong frame;
+  glong cur_frame;
+  const gchar *location;
+  gboolean snapshot_asked;
+
+  png_structp png_struct_ptr;
+  png_infop png_info_ptr;
+
+  GstColorSpaceConverter *converter;
+
+  GstPad *sinkpad,*srcpad;
+};
+
+struct _GstShotClass {
+  GstElementClass parent_class;
+
+  void (*snapshot)  (GstElement *elem);
+};
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_SNAPSHOT_H__ */