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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/libwebrtc/media/engine/payload_type_mapper.h | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/media/engine/payload_type_mapper.h')
-rw-r--r-- | third_party/libwebrtc/media/engine/payload_type_mapper.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/third_party/libwebrtc/media/engine/payload_type_mapper.h b/third_party/libwebrtc/media/engine/payload_type_mapper.h new file mode 100644 index 0000000000..1d5cd7198f --- /dev/null +++ b/third_party/libwebrtc/media/engine/payload_type_mapper.h @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef MEDIA_ENGINE_PAYLOAD_TYPE_MAPPER_H_ +#define MEDIA_ENGINE_PAYLOAD_TYPE_MAPPER_H_ + +#include <map> +#include <set> + +#include "absl/types/optional.h" +#include "api/audio_codecs/audio_format.h" +#include "media/base/codec.h" + +namespace cricket { + +webrtc::SdpAudioFormat AudioCodecToSdpAudioFormat(const AudioCodec& ac); + +class PayloadTypeMapper { + public: + PayloadTypeMapper(); + ~PayloadTypeMapper(); + + // Finds the current payload type for `format` or assigns a new one, if no + // current mapping exists. Will return an empty value if it was unable to + // create a mapping, i.e. if all dynamic payload type ids have been used up. + absl::optional<int> GetMappingFor(const webrtc::SdpAudioFormat& format); + + // Finds the current payload type for `format`, if any. Returns an empty value + // if no payload type mapping exists for the format. + absl::optional<int> FindMappingFor( + const webrtc::SdpAudioFormat& format) const; + + // Like GetMappingFor, but fills in an AudioCodec structure with the necessary + // information instead. + absl::optional<AudioCodec> ToAudioCodec(const webrtc::SdpAudioFormat& format); + + private: + struct SdpAudioFormatOrdering { + bool operator()(const webrtc::SdpAudioFormat& a, + const webrtc::SdpAudioFormat& b) const; + }; + + int next_unused_payload_type_; + int max_payload_type_; + std::map<webrtc::SdpAudioFormat, int, SdpAudioFormatOrdering> mappings_; + std::set<int> used_payload_types_; +}; + +} // namespace cricket +#endif // MEDIA_ENGINE_PAYLOAD_TYPE_MAPPER_H_ |