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-rw-r--r--third_party/libwebrtc/api/audio_codecs/L16/audio_decoder_L16.h49
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diff --git a/third_party/libwebrtc/api/audio_codecs/L16/audio_decoder_L16.h b/third_party/libwebrtc/api/audio_codecs/L16/audio_decoder_L16.h
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+++ b/third_party/libwebrtc/api/audio_codecs/L16/audio_decoder_L16.h
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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.
+ */
+
+#ifndef API_AUDIO_CODECS_L16_AUDIO_DECODER_L16_H_
+#define API_AUDIO_CODECS_L16_AUDIO_DECODER_L16_H_
+
+#include <memory>
+#include <vector>
+
+#include "absl/types/optional.h"
+#include "api/audio_codecs/audio_codec_pair_id.h"
+#include "api/audio_codecs/audio_decoder.h"
+#include "api/audio_codecs/audio_format.h"
+#include "api/field_trials_view.h"
+#include "rtc_base/system/rtc_export.h"
+
+namespace webrtc {
+
+// L16 decoder API for use as a template parameter to
+// CreateAudioDecoderFactory<...>().
+struct RTC_EXPORT AudioDecoderL16 {
+ struct Config {
+ bool IsOk() const {
+ return (sample_rate_hz == 8000 || sample_rate_hz == 16000 ||
+ sample_rate_hz == 32000 || sample_rate_hz == 48000) &&
+ (num_channels >= 1 &&
+ num_channels <= AudioDecoder::kMaxNumberOfChannels);
+ }
+ int sample_rate_hz = 8000;
+ int num_channels = 1;
+ };
+ static absl::optional<Config> SdpToConfig(const SdpAudioFormat& audio_format);
+ static void AppendSupportedDecoders(std::vector<AudioCodecSpec>* specs);
+ static std::unique_ptr<AudioDecoder> MakeAudioDecoder(
+ const Config& config,
+ absl::optional<AudioCodecPairId> codec_pair_id = absl::nullopt,
+ const FieldTrialsView* field_trials = nullptr);
+};
+
+} // namespace webrtc
+
+#endif // API_AUDIO_CODECS_L16_AUDIO_DECODER_L16_H_