comparison: src/mediastreamer/msbuffer.h
src/mediastreamer/msbuffer.h
- branch
- gaim
- changeset 20470
- 77693555855f
- parent 13071
- b98e72d4089a
- parent 20469
- b2836a24d81e
- child 20471
- 1966704b3e42
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| 13071:b98e72d4089a | 20470:77693555855f |
|---|---|
| 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 | |
| 22 #ifndef MSBUFFER_H | |
| 23 #define MSBUFFER_H | |
| 24 #include <config.h> | |
| 25 | |
| 26 #ifdef HAVE_GLIB | |
| 27 #include <glib.h> | |
| 28 #else | |
| 29 #include <uglib.h> | |
| 30 #endif | |
| 31 | |
| 32 | |
| 33 #define MS_BUFFER_LARGE 4092 | |
| 34 | |
| 35 | |
| 36 typedef struct _MSBuffer | |
| 37 { | |
| 38 gchar *buffer; | |
| 39 guint32 size; | |
| 40 guint16 ref_count; | |
| 41 guint16 flags; | |
| 42 #define MS_BUFFER_CONTIGUOUS (1) | |
| 43 }MSBuffer; | |
| 44 | |
| 45 MSBuffer * ms_buffer_new(guint32 size); | |
| 46 void ms_buffer_destroy(MSBuffer *buf); | |
| 47 | |
| 48 struct _MSMessage | |
| 49 { | |
| 50 MSBuffer *buffer; /* points to a MSBuffer */ | |
| 51 void *data; /*points to buffer->buffer */ | |
| 52 guint32 size; /* the size of the buffer to read in data. It may not be the | |
| 53 physical size (I mean buffer->buffer->size */ | |
| 54 struct _MSMessage *next; | |
| 55 struct _MSMessage *prev; /* MSMessage are queued into MSQueues */ | |
| 56 }; | |
| 57 | |
| 58 typedef struct _MSMessage MSMessage; | |
| 59 | |
| 60 | |
| 61 MSBuffer *ms_buffer_alloc(gint flags); | |
| 62 MSMessage *ms_message_new(gint size); | |
| 63 | |
| 64 #define ms_message_set_buf(m,b) do { (b)->ref_count++; (m)->buffer=(b); (m)->data=(b)->buffer; (m)->size=(b)->size; }while(0) | |
| 65 #define ms_message_unset_buf(m) do { (m)->buffer->ref_count--; (m)->buffer=NULL; (m)->size=0; (m)->data=NULL; } while(0) | |
| 66 | |
| 67 #define ms_message_size(m) (m)->size | |
| 68 void ms_message_destroy(MSMessage *m); | |
| 69 | |
| 70 MSMessage * ms_message_dup(MSMessage *m); | |
| 71 | |
| 72 /* allocate a single message without buffer */ | |
| 73 MSMessage *ms_message_alloc(void); | |
| 74 | |
| 75 #endif |
