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
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.
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.
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
29
MSFilterNewFunc encoder;
30
MSFilterNewFunc decoder;
31
gint fr_size; /* size in char of the uncompressed frame */
32
gint dt_size; /* size in char of the compressed frame */
33
gint bitrate; /* the minimum bit rate in bits/second */
34
gint rate; /*frequency */
35
gint pt; /* the payload type number associated with this codec*/
36
gchar *description; /* a rtpmap field to describe the codec */
37
guint is_usable:1; /* linphone set this flag to remember if it can use this codec considering the total bandwidth*/
38
guint is_selected:1; /* linphone (user) set this flag if he allows this codec to be used*/
41
typedef struct _MSCodecInfo MSCodecInfo;
43
MSFilter * ms_encoder_new(gchar *name);
44
MSFilter * ms_decoder_new(gchar *name);
46
MSFilter * ms_encoder_new_with_pt(gint pt);
47
MSFilter * ms_decoder_new_with_pt(gint pt);
49
MSFilter * ms_encoder_new_with_string_id(gchar *id);
50
MSFilter * ms_decoder_new_with_string_id(gchar *id);
52
/* return 0 if codec can be used with bandwidth, -1 else*/
53
int ms_codec_is_usable(MSCodecInfo *codec,double bandwidth);
55
GList * ms_codec_get_all_audio();
57
GList * ms_codec_get_all_video();
59
MSCodecInfo * ms_audio_codec_info_get(gchar *name);
60
MSCodecInfo * ms_video_codec_info_get(gchar *name);
62
/* register all statically linked codecs */
63
void ms_codec_register_all();
65
#define MS_CODEC_INFO(codinfo) ((MSCodecInfo*)codinfo)