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1 /* | 1 /* |
2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef WEBRTC_MEDIA_ENGINE_PAYLOAD_TYPE_MAPPER_H_ | 11 #ifndef WEBRTC_MEDIA_ENGINE_PAYLOAD_TYPE_MAPPER_H_ |
12 #define WEBRTC_MEDIA_ENGINE_PAYLOAD_TYPE_MAPPER_H_ | 12 #define WEBRTC_MEDIA_ENGINE_PAYLOAD_TYPE_MAPPER_H_ |
13 | 13 |
14 #include <map> | 14 #include <map> |
15 #include <set> | 15 #include <set> |
16 | 16 |
17 #include "webrtc/base/optional.h" | 17 #include "webrtc/base/optional.h" |
18 #include "webrtc/media/base/codec.h" | 18 #include "webrtc/media/base/codec.h" |
19 #include "webrtc/modules/audio_coding/codecs/audio_format.h" | 19 #include "webrtc/modules/audio_coding/codecs/audio_format.h" |
20 | 20 |
21 namespace cricket { | 21 namespace cricket { |
22 | 22 |
| 23 webrtc::SdpAudioFormat AudioCodecToSdpAudioFormat(const AudioCodec& ac); |
| 24 |
23 class PayloadTypeMapper { | 25 class PayloadTypeMapper { |
24 public: | 26 public: |
25 PayloadTypeMapper(); | 27 PayloadTypeMapper(); |
26 ~PayloadTypeMapper(); | 28 ~PayloadTypeMapper(); |
27 | 29 |
28 // Finds the current payload type for |format| or assigns a new one, if no | 30 // Finds the current payload type for |format| or assigns a new one, if no |
29 // current mapping exists. Will return an empty value if it was unable to | 31 // current mapping exists. Will return an empty value if it was unable to |
30 // create a mapping, i.e. if all dynamic payload type ids have been used up. | 32 // create a mapping, i.e. if all dynamic payload type ids have been used up. |
31 rtc::Optional<int> GetMappingFor(const webrtc::SdpAudioFormat& format); | 33 rtc::Optional<int> GetMappingFor(const webrtc::SdpAudioFormat& format); |
32 | 34 |
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45 }; | 47 }; |
46 | 48 |
47 int next_unused_payload_type_; | 49 int next_unused_payload_type_; |
48 int max_payload_type_; | 50 int max_payload_type_; |
49 std::map<webrtc::SdpAudioFormat, int, SdpAudioFormatOrdering> mappings_; | 51 std::map<webrtc::SdpAudioFormat, int, SdpAudioFormatOrdering> mappings_; |
50 std::set<int> used_payload_types_; | 52 std::set<int> used_payload_types_; |
51 }; | 53 }; |
52 | 54 |
53 } // namespace cricket | 55 } // namespace cricket |
54 #endif // WEBRTC_MEDIA_ENGINE_PAYLOAD_TYPE_MAPPER_H_ | 56 #endif // WEBRTC_MEDIA_ENGINE_PAYLOAD_TYPE_MAPPER_H_ |
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