comparison: src/mediastreamer/mscodec.h
src/mediastreamer/mscodec.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 #ifndef MSCODEC_H | |
| 22 #define MSCODEC_H | |
| 23 | |
| 24 #include "msfilter.h" | |
| 25 | |
| 26 struct _MSCodecInfo | |
| 27 { | |
| 28 MSFilterInfo info; | |
| 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*/ | |
| 39 }; | |
| 40 | |
| 41 typedef struct _MSCodecInfo MSCodecInfo; | |
| 42 | |
| 43 MSFilter * ms_encoder_new(gchar *name); | |
| 44 MSFilter * ms_decoder_new(gchar *name); | |
| 45 | |
| 46 MSFilter * ms_encoder_new_with_pt(gint pt); | |
| 47 MSFilter * ms_decoder_new_with_pt(gint pt); | |
| 48 | |
| 49 MSFilter * ms_encoder_new_with_string_id(gchar *id); | |
| 50 MSFilter * ms_decoder_new_with_string_id(gchar *id); | |
| 51 | |
| 52 /* return 0 if codec can be used with bandwidth, -1 else*/ | |
| 53 int ms_codec_is_usable(MSCodecInfo *codec,double bandwidth); | |
| 54 | |
| 55 GList * ms_codec_get_all_audio(void); | |
| 56 | |
| 57 GList * ms_codec_get_all_video(void); | |
| 58 | |
| 59 MSCodecInfo * ms_audio_codec_info_get(gchar *name); | |
| 60 MSCodecInfo * ms_video_codec_info_get(gchar *name); | |
| 61 | |
| 62 /* register all statically linked codecs */ | |
| 63 void ms_codec_register_all(void); | |
| 64 | |
| 65 #define MS_CODEC_INFO(codinfo) ((MSCodecInfo*)codinfo) | |
| 66 | |
| 67 #endif |
