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 /** 34 * GstCameraBinPreviewPipelineData: (skip) 35 */ 36 typedef struct 37 { 38 GstElement *pipeline; 39 40 GstElement *appsrc; 41 GstElement *filter; 42 GstElement *appsink; 43 GstElement *vscale; 44 45 GstElement *element; 46 47 GstCaps *pending_preview_caps; 48 guint processing; 49 GMutex processing_lock; 50 GCond processing_cond; 51 52 } GstCameraBinPreviewPipelineData; 53 54 GST_BASE_CAMERA_BIN_SRC_API 55 GstCameraBinPreviewPipelineData *gst_camerabin_create_preview_pipeline (GstElement * element, GstElement * filter); 56 57 GST_BASE_CAMERA_BIN_SRC_API 58 void gst_camerabin_destroy_preview_pipeline (GstCameraBinPreviewPipelineData * preview); 59 60 GST_BASE_CAMERA_BIN_SRC_API 61 gboolean gst_camerabin_preview_pipeline_post (GstCameraBinPreviewPipelineData * preview, GstSample * sample); 62 63 GST_BASE_CAMERA_BIN_SRC_API 64 void gst_camerabin_preview_set_caps (GstCameraBinPreviewPipelineData * preview, GstCaps * caps); 65 66 GST_BASE_CAMERA_BIN_SRC_API 67 gboolean gst_camerabin_preview_set_filter (GstCameraBinPreviewPipelineData * preview, GstElement * filter); 68 69 #endif /* #ifndef __CAMERABIN_PREVIEW_H_ */ 70