comparison: src/mediastreamer/msv4l.h
src/mediastreamer/msv4l.h
- changeset 12024
- 5a87b77fcc3c
- child 12323
- f52908fb23b0
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| 12023:fcfb3f1c8125 | 12024:5a87b77fcc3c |
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| 1 /* | |
| 2 The mediastreamer library aims at providing modular media processing and I/O | |
| 3 for linphone, but also for any telephony application. | |
| 4 Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org | |
| 5 | |
| 6 This library is free software; you can redistribute it and/or | |
| 7 modify it under the terms of the GNU Lesser General Public | |
| 8 License as published by the Free Software Foundation; either | |
| 9 version 2.1 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 Lesser General Public License for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU Lesser General Public | |
| 17 License along with this library; if not, write to the Free Software | |
| 18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 19 */ | |
| 20 | |
| 21 #ifndef MSV4L_H | |
| 22 #define MSV4L_H | |
| 23 | |
| 24 #include <msvideosource.h> | |
| 25 #include <sys/types.h> | |
| 26 #include <linux/videodev.h> | |
| 27 | |
| 28 struct _MSV4l | |
| 29 { | |
| 30 MSVideoSource parent; | |
| 31 int fd; | |
| 32 char *device; | |
| 33 struct video_capability cap; | |
| 34 struct video_channel channel; | |
| 35 struct video_window win; | |
| 36 struct video_picture pict; | |
| 37 struct video_mmap vmap; | |
| 38 struct video_mbuf vmbuf; | |
| 39 struct video_capture vcap; | |
| 40 gint bsize; | |
| 41 gint use_mmap; | |
| 42 gint frame; | |
| 43 guint query_frame; | |
| 44 gchar *mmapdbuf; /* the mmap'd buffer */ | |
| 45 MSBuffer img[VIDEO_MAX_FRAME]; /* the buffer wrappers used for mmaps */ | |
| 46 gint width; /* the capture image size - can be cropped to output size */ | |
| 47 gint height; | |
| 48 MSBuffer *allocdbuf; /* the buffer allocated for read() and mire */ | |
| 49 gint count; | |
| 50 MSBuffer *image_grabbed; | |
| 51 GCond *cond; | |
| 52 GCond *stopcond; | |
| 53 GThread *v4lthread; | |
| 54 gboolean grab_image; | |
| 55 gboolean thread_run; | |
| 56 gboolean thread_exited; | |
| 57 }; | |
| 58 | |
| 59 typedef struct _MSV4l MSV4l; | |
| 60 | |
| 61 | |
| 62 struct _MSV4lClass | |
| 63 { | |
| 64 MSVideoSourceClass parent_class; | |
| 65 | |
| 66 }; | |
| 67 | |
| 68 typedef struct _MSV4lClass MSV4lClass; | |
| 69 | |
| 70 | |
| 71 /* PUBLIC API */ | |
| 72 #define MS_V4L(v) ((MSV4l*)(v)) | |
| 73 #define MS_V4L_CLASS(k) ((MSV4lClass*)(k)) | |
| 74 MSFilter * ms_v4l_new(); | |
| 75 | |
| 76 void ms_v4l_start(MSV4l *obj); | |
| 77 void ms_v4l_stop(MSV4l *obj); | |
| 78 int ms_v4l_set_device(MSV4l *f, const gchar *device); | |
| 79 gint ms_v4l_get_width(MSV4l *v4l); | |
| 80 gint ms_v4l_get_height(MSV4l *v4l); | |
| 81 void ms_v4l_set_size(MSV4l *v4l, gint w, gint h); | |
| 82 | |
| 83 /* PRIVATE API */ | |
| 84 void ms_v4l_init(MSV4l *obj); | |
| 85 void ms_v4l_class_init(MSV4lClass *klass); | |
| 86 int v4l_configure(MSV4l *f); | |
| 87 | |
| 88 void v4l_process(MSV4l *obj); | |
| 89 | |
| 90 void ms_v4l_uninit(MSV4l *obj); | |
| 91 | |
| 92 void ms_v4l_destroy(MSV4l *obj); | |
| 93 | |
| 94 extern MSFilterInfo v4l_info; | |
| 95 | |
| 96 #endif |
