2 * Copyright (C) 2010 Thiago Santos <thiago.sousa.santos@collabora.co.uk>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
19 #ifndef _GST_CAMERA_BIN2_H_
20 #define _GST_CAMERA_BIN2_H_
23 #include <gst/pbutils/encoding-profile.h>
27 /* to keep code mergeable */
28 #define GstCameraBin2 GstCameraBin
29 #define GstCameraBin2Class GstCameraBinClass
31 #define GST_TYPE_CAMERA_BIN2 (gst_camera_bin2_get_type())
32 #define GST_CAMERA_BIN2(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_CAMERA_BIN2,GstCameraBin2))
33 #define GST_CAMERA_BIN2_CAST(obj) ((GstCameraBin2 *) obj)
34 #define GST_CAMERA_BIN2_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_CAMERA_BIN2,GstCameraBin2Class))
35 #define GST_IS_CAMERA_BIN2(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_CAMERA_BIN2))
36 #define GST_IS_CAMERA_BIN2_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_CAMERA_BIN2))
40 /* matches GstEncFlags GST_ENC_FLAG_NO_AUDIO_CONVERSION in encodebin */
41 GST_CAM_FLAG_NO_AUDIO_CONVERSION = (1 << 0),
42 /* matches GstEncFlags GST_ENC_FLAG_NO_VIDEO_CONVERSION in encodebin */
43 GST_CAM_FLAG_NO_VIDEO_CONVERSION = (1 << 1),
44 /* maps to 'disable-converters' property in viewfinderbin */
45 GST_CAM_FLAG_NO_VIEWFINDER_CONVERSION = (1 << 2),
46 /* maps to GstEncFlags GST_ENC_FLAG_NO_VIDEO_CONVERSION in the image bin's
48 GST_CAM_FLAG_NO_IMAGE_CONVERSION = (1 << 3)
52 typedef enum _GstCameraBinVideoState
54 GST_CAMERA_BIN_VIDEO_IDLE=0,
55 GST_CAMERA_BIN_VIDEO_STARTING=1,
56 GST_CAMERA_BIN_VIDEO_RECORDING=2,
57 GST_CAMERA_BIN_VIDEO_FINISHING=3
58 } GstCameraBinVideoState;
60 typedef struct _GstCameraBin2 GstCameraBin2;
61 typedef struct _GstCameraBin2Class GstCameraBin2Class;
69 gulong src_capture_notify_id;
71 GstElement *video_encodebin;
72 gulong video_encodebin_signal_id;
73 GstElement *videosink;
74 GstElement *videobin_capsfilter;
76 GstElement *viewfinderbin;
77 GstElement *viewfinderbin_queue;
78 GstElement *viewfinderbin_capsfilter;
80 GstElement *image_encodebin;
81 gulong image_encodebin_signal_id;
82 GstElement *imagesink;
83 GstElement *imagebin_capsfilter;
85 GstElement *video_filter;
86 GstElement *image_filter;
87 GstElement *viewfinder_filter;
88 GstElement *audio_filter;
89 GstElement *user_video_filter;
90 GstElement *user_image_filter;
91 GstElement *user_viewfinder_filter;
92 GstElement *user_audio_filter;
94 GstElement *audio_src;
95 GstElement *user_audio_src;
96 GstElement *audio_volume;
97 GstElement *audio_capsfilter;
99 gint processing_counter; /* atomic int */
101 /* Index of the auto incrementing file index for captures */
104 GMutex image_capture_mutex;
105 /* stores list of image locations to be pushed to the image sink
106 * as file location change notifications, they are pushed before
107 * each buffer capture */
108 GSList *image_location_list;
109 /* Store also tags and push them before each captured image */
110 GSList *image_tags_list;
113 * Similar to above, but used for giving names to previews
115 * Need to protect with a mutex as this list is used when the
116 * camera-source posts a preview image. As we have no control
117 * on how the camera-source will behave (we can only tell how
118 * it should), the preview location list might be used in an
120 * One example is the camera-source posting a preview image after
121 * camerabin2 was put to ready, when this preview list will be
122 * freed and set to NULL. Concurrent access might lead to crashes in
123 * this situation. (Concurrency from the state-change freeing the
124 * list and the message handling function looking at preview names)
126 GSList *preview_location_list;
127 GMutex preview_list_mutex;
129 gboolean video_profile_switch;
130 gboolean image_profile_switch;
132 gboolean audio_drop_eos;
133 gboolean audio_send_newseg;
135 GMutex video_capture_mutex;
136 GCond video_state_cond;
137 GstCameraBinVideoState video_state;
142 gboolean post_previews;
143 GstCaps *preview_caps;
144 GstElement *preview_filter;
145 GstEncodingProfile *video_profile;
146 GstEncodingProfile *image_profile;
151 gboolean elements_created;
154 struct _GstCameraBin2Class
156 GstPipelineClass pipeline_class;
159 void (*start_capture) (GstCameraBin2 * camera);
160 void (*stop_capture) (GstCameraBin2 * camera);
163 GType gst_camera_bin2_get_type (void);
164 GST_ELEMENT_REGISTER_DECLARE (camerabin);