1 /* 2 * Copyright (C) 2008 Ole André Vadla Ravnås <ole.andre.ravnas@tandberg.com> 3 * 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. 8 * 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. 13 * 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. 18 */ 19 20 #ifndef __GST_KS_VIDEO_DEVICE_H__ 21 #define __GST_KS_VIDEO_DEVICE_H__ 22 23 #include "gstksclock.h" 24 25 #include <gst/gst.h> 26 27 #include <windows.h> 28 #include <ks.h> 29 30 G_BEGIN_DECLS 31 32 #define GST_TYPE_KS_VIDEO_DEVICE \ 33 (gst_ks_video_device_get_type ()) 34 #define GST_KS_VIDEO_DEVICE(obj) \ 35 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_KS_VIDEO_DEVICE, GstKsVideoDevice)) 36 #define GST_KS_VIDEO_DEVICE_CLASS(klass) \ 37 (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_KS_VIDEO_DEVICE, GstKsVideoDeviceClass)) 38 #define GST_IS_KS_VIDEO_DEVICE(obj) \ 39 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_KS_VIDEO_DEVICE)) 40 #define GST_IS_KS_VIDEO_DEVICE_CLASS(klass) \ 41 (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_KS_VIDEO_DEVICE)) 42 43 typedef struct _GstKsVideoDevice GstKsVideoDevice; 44 typedef struct _GstKsVideoDeviceClass GstKsVideoDeviceClass; 45 typedef struct _GstKsVideoDevicePrivate GstKsVideoDevicePrivate; 46 47 typedef GstBuffer * (* GstKsAllocFunction)(guint buf_size, guint alignment, gpointer user_data); 48 49 struct _GstKsVideoDevice 50 { 51 GObject parent; 52 53 GstKsAllocFunction allocfunc; 54 gpointer allocfunc_data; 55 56 GstKsVideoDevicePrivate *priv; 57 }; 58 59 struct _GstKsVideoDeviceClass 60 { 61 GObjectClass parent_class; 62 }; 63 64 GType gst_ks_video_device_get_type (void); 65 66 GstKsVideoDevice * gst_ks_video_device_new (const gchar * device_path, GstKsClock * clock, GstKsAllocFunction allocfunc, gpointer allocfunc_data); 67 gboolean gst_ks_video_device_open (GstKsVideoDevice * self); 68 void gst_ks_video_device_close (GstKsVideoDevice * self); 69 70 GstCaps * gst_ks_video_device_get_available_caps (GstKsVideoDevice * self); 71 gboolean gst_ks_video_device_has_caps (GstKsVideoDevice * self); 72 gboolean gst_ks_video_device_set_caps (GstKsVideoDevice * self, GstCaps * caps); 73 74 gboolean gst_ks_video_device_set_state (GstKsVideoDevice * self, KSSTATE state, gulong * error_code); 75 76 GstClockTime gst_ks_video_device_get_duration (GstKsVideoDevice * self); 77 gboolean gst_ks_video_device_get_latency (GstKsVideoDevice * self, GstClockTime * min_latency, GstClockTime * max_latency); 78 79 GstFlowReturn gst_ks_video_device_read_frame (GstKsVideoDevice * self, GstBuffer ** buf, GstClockTime * presentation_time, gulong * error_code, gchar ** error_str); 80 gboolean gst_ks_video_device_postprocess_frame (GstKsVideoDevice * self, GstBuffer **buf); 81 void gst_ks_video_device_cancel (GstKsVideoDevice * self); 82 void gst_ks_video_device_cancel_stop (GstKsVideoDevice * self); 83 84 gboolean gst_ks_video_device_stream_is_muxed (GstKsVideoDevice * self); 85 86 G_END_DECLS 87 88 #endif /* __GST_KS_VIDEO_DEVICE_H__ */ 89