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/*
* Copyright (c) 2017 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.
*/
#include "api/audio_codecs/builtin_audio_decoder_factory.h"
#include <memory>
#include <vector>
#include "api/audio_codecs/L16/audio_decoder_L16.h"
#include "api/audio_codecs/audio_decoder_factory_template.h"
#include "api/audio_codecs/g711/audio_decoder_g711.h"
#include "api/audio_codecs/g722/audio_decoder_g722.h"
#if WEBRTC_USE_BUILTIN_ILBC
#include "api/audio_codecs/ilbc/audio_decoder_ilbc.h" // nogncheck
#endif
#if WEBRTC_USE_BUILTIN_OPUS
#include "api/audio_codecs/opus/audio_decoder_multi_channel_opus.h"
#include "api/audio_codecs/opus/audio_decoder_opus.h" // nogncheck
#endif
namespace webrtc {
namespace {
// Modify an audio decoder to not advertise support for anything.
template <typename T>
struct NotAdvertised {
using Config = typename T::Config;
static absl::optional<Config> SdpToConfig(
const SdpAudioFormat& audio_format) {
return T::SdpToConfig(audio_format);
}
static void AppendSupportedDecoders(std::vector<AudioCodecSpec>* specs) {
// Don't advertise support for anything.
}
static std::unique_ptr<AudioDecoder> MakeAudioDecoder(
const Config& config,
absl::optional<AudioCodecPairId> codec_pair_id = absl::nullopt) {
return T::MakeAudioDecoder(config, codec_pair_id);
}
};
} // namespace
rtc::scoped_refptr<AudioDecoderFactory> CreateBuiltinAudioDecoderFactory() {
return CreateAudioDecoderFactory<
#if WEBRTC_USE_BUILTIN_OPUS
AudioDecoderOpus, NotAdvertised<AudioDecoderMultiChannelOpus>,
#endif
AudioDecoderG722,
#if WEBRTC_USE_BUILTIN_ILBC
AudioDecoderIlbc,
#endif
AudioDecoderG711, NotAdvertised<AudioDecoderL16>>();
}
} // namespace webrtc
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