1 /* GStreamer 2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu> 3 * 2005 Wim Taymans <wim@fluendo.com> 4 * 5 * gstossdmabuffer.h: 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public 18 * License along with this library; if not, write to the 19 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 */ 22 23 #ifndef __GST_OSSDMABUFFER_H__ 24 #define __GST_OSSDMABUFFER_H__ 25 26 #include <gst/gst.h> 27 28 #include "gstosshelper.h" 29 #include <gst/audio/gstringbuffer.h> 30 31 G_BEGIN_DECLS 32 33 #define GST_TYPE_OSSDMABUFFER (gst_ossdmabuffer_get_type()) 34 #define GST_OSSDMABUFFER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OSSDMABUFFER,GstOssDMABuffer)) 35 #define GST_OSSDMABUFFER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OSSDMABUFFER,GstOssDMABufferClass)) 36 #define GST_IS_OSSDMABUFFER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OSSDMABUFFER)) 37 #define GST_IS_OSSDMABUFFER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OSSDMABUFFER)) 38 39 #define GST_OSSELEMENT_GET(obj) GST_OSSELEMENT (obj->element) 40 41 typedef enum { 42 GST_OSSDMABUFFER_OPEN = (1 << 0), 43 } GstOssDMABufferFlags; 44 45 typedef struct _GstOssDMABuffer GstOssDMABuffer; 46 typedef struct _GstOssDMABufferClass GstOssDMABufferClass; 47 48 #define GST_OSSDMABUFFER_THREAD(buf) (GST_OSSDMABUFFER(buf)->thread) 49 #define GST_OSSDMABUFFER_LOCK GST_OBJECT_LOCK 50 #define GST_OSSDMABUFFER_UNLOCK GST_OBJECT_UNLOCK 51 #define GST_OSSDMABUFFER_COND(buf) (GST_OSSDMABUFFER(buf)->cond) 52 #define GST_OSSDMABUFFER_SIGNAL(buf) (g_cond_signal (GST_OSSDMABUFFER_COND (buf))) 53 #define GST_OSSDMABUFFER_WAIT(buf) (g_cond_wait (GST_OSSDMABUFFER_COND (buf), GST_OBJECT_GET_LOCK (buf))) 54 55 struct _GstOssDMABuffer { 56 GstRingBuffer buffer; 57 58 GstOssElement *element; 59 60 int fd; 61 int caps; 62 int frag; 63 64 GThread *thread; 65 GCond *cond; 66 gboolean running; 67 }; 68 69 struct _GstOssDMABufferClass { 70 GstRingBufferClass parent_class; 71 }; 72 73 GType gst_ossdmabuffer_get_type(void); 74 75 G_END_DECLS 76 77 #endif /* __GST_OSSDMABUFFER_H__ */ 78