1 /*
2  * GStreamer
3  * Copyright (C) 2008 Nokia Corporation <multimedia@maemo.org>
4  * Copyright (C) 2010 Thiago Santos <thiago.sousa.santos@collabora.co.uk>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Library General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Library General Public License for more details.
15  *
16  * You should have received a copy of the GNU Library General Public
17  * License along with this library; if not, write to the
18  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  */
21 
22 #ifndef __CAMERABIN_PREVIEW_H_
23 #define __CAMERABIN_PREVIEW_H_
24 
25 #ifndef GST_USE_UNSTABLE_API
26 #warning "camera bin preview is unstable API and may change in future."
27 #warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
28 #endif
29 
30 #include <gst/gst.h>
31 #include "basecamerabinsrc-prelude.h"
32 
33 typedef struct
34 {
35   GstElement *pipeline;
36 
37   GstElement *appsrc;
38   GstElement *filter;
39   GstElement *appsink;
40   GstElement *vscale;
41 
42   GstElement *element;
43 
44   GstCaps *pending_preview_caps;
45   guint processing;
46   GMutex processing_lock;
47   GCond processing_cond;
48 
49 } GstCameraBinPreviewPipelineData;
50 
51 GST_BASE_CAMERA_BIN_SRC_API
52 GstCameraBinPreviewPipelineData *gst_camerabin_create_preview_pipeline (GstElement * element, GstElement * filter);
53 
54 GST_BASE_CAMERA_BIN_SRC_API
55 void gst_camerabin_destroy_preview_pipeline (GstCameraBinPreviewPipelineData * preview);
56 
57 GST_BASE_CAMERA_BIN_SRC_API
58 gboolean gst_camerabin_preview_pipeline_post (GstCameraBinPreviewPipelineData * preview, GstSample * sample);
59 
60 GST_BASE_CAMERA_BIN_SRC_API
61 void gst_camerabin_preview_set_caps (GstCameraBinPreviewPipelineData * preview, GstCaps * caps);
62 
63 GST_BASE_CAMERA_BIN_SRC_API
64 gboolean gst_camerabin_preview_set_filter (GstCameraBinPreviewPipelineData * preview, GstElement * filter);
65 
66 #endif /* #ifndef __CAMERABIN_PREVIEW_H_ */
67