| Emeric Vigier | 1f90ce1 | 2012-08-06 13:39:08 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2004, 2005, 2006, 2008, 2009, 2010 Savoir-Faire Linux Inc. |
| 3 | * Author: Pierre-Luc Bacon <pierre-luc.bacon@savoirfairelinux.com> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 3 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * This program 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 |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 17 | * |
| 18 | * Additional permission under GNU GPL version 3 section 7: |
| 19 | * |
| 20 | * If you modify this program, or any covered work, by linking or |
| 21 | * combining it with the OpenSSL project's OpenSSL library (or a |
| 22 | * modified version of that library), containing parts covered by the |
| 23 | * terms of the OpenSSL or SSLeay licenses, Savoir-Faire Linux Inc. |
| 24 | * grants you additional permission to convey the resulting work. |
| 25 | * Corresponding Source for a non-source form of such a combination |
| 26 | * shall include the source code for the parts of OpenSSL used as well |
| 27 | * as that of the covered work. |
| 28 | */ |
| 29 | |
| 30 | #ifndef CODEC_H_ |
| 31 | #define CODEC_H_ |
| 32 | |
| 33 | #include "cc_config.h" // for types |
| 34 | |
| 35 | /** |
| 36 | * Interface for both audio codecs as well as video codecs. |
| 37 | */ |
| 38 | namespace sfl { |
| 39 | class Codec { |
| 40 | public: |
| 41 | virtual ~Codec() {} |
| 42 | /** |
| 43 | * @return The mimesubtype for this codec. Eg. : "theora" |
| 44 | */ |
| 45 | virtual std::string getMimeSubtype() const = 0; |
| 46 | |
| 47 | /** |
| 48 | * @return payload type numeric identifier. |
| 49 | */ |
| 50 | virtual uint8 getPayloadType() const = 0; |
| 51 | |
| 52 | /** |
| 53 | * @return RTP clock rate in Hz. |
| 54 | */ |
| 55 | virtual uint32 getClockRate() const = 0; |
| 56 | |
| 57 | /** |
| 58 | * @return The bitrate for which this codec is configured // TODO deal with VBR case. |
| 59 | */ |
| 60 | virtual double getBitRate() const = 0; |
| 61 | }; |
| 62 | } |
| 63 | |
| 64 | typedef sfl::Codec* create_t(); |
| 65 | |
| 66 | typedef void destroy_t (sfl::Codec*); |
| 67 | |
| 68 | #endif // CODEC_H_ |