From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../libwebrtc/test/audio_decoder_proxy_factory.h   | 99 ++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 third_party/libwebrtc/test/audio_decoder_proxy_factory.h

(limited to 'third_party/libwebrtc/test/audio_decoder_proxy_factory.h')

diff --git a/third_party/libwebrtc/test/audio_decoder_proxy_factory.h b/third_party/libwebrtc/test/audio_decoder_proxy_factory.h
new file mode 100644
index 0000000000..95606d6ff7
--- /dev/null
+++ b/third_party/libwebrtc/test/audio_decoder_proxy_factory.h
@@ -0,0 +1,99 @@
+/*
+ *  Copyright (c) 2018 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 TEST_AUDIO_DECODER_PROXY_FACTORY_H_
+#define TEST_AUDIO_DECODER_PROXY_FACTORY_H_
+
+#include <memory>
+#include <utility>
+#include <vector>
+
+#include "api/audio_codecs/audio_decoder.h"
+#include "api/audio_codecs/audio_decoder_factory.h"
+
+namespace webrtc {
+namespace test {
+
+// A decoder factory with a single underlying AudioDecoder object, intended for
+// test purposes. Each call to MakeAudioDecoder returns a proxy for the same
+// decoder, typically a mock or fake decoder.
+class AudioDecoderProxyFactory : public AudioDecoderFactory {
+ public:
+  explicit AudioDecoderProxyFactory(AudioDecoder* decoder)
+      : decoder_(decoder) {}
+
+  // Unused by tests.
+  std::vector<AudioCodecSpec> GetSupportedDecoders() override {
+    RTC_DCHECK_NOTREACHED();
+    return {};
+  }
+
+  bool IsSupportedDecoder(const SdpAudioFormat& format) override {
+    return true;
+  }
+
+  std::unique_ptr<AudioDecoder> MakeAudioDecoder(
+      const SdpAudioFormat& /* format */,
+      absl::optional<AudioCodecPairId> /* codec_pair_id */) override {
+    return std::make_unique<DecoderProxy>(decoder_);
+  }
+
+ private:
+  // Wrapper class, since CreateAudioDecoder needs to surrender
+  // ownership to the object it returns.
+  class DecoderProxy final : public AudioDecoder {
+   public:
+    explicit DecoderProxy(AudioDecoder* decoder) : decoder_(decoder) {}
+
+   private:
+    std::vector<ParseResult> ParsePayload(rtc::Buffer&& payload,
+                                          uint32_t timestamp) override {
+      return decoder_->ParsePayload(std::move(payload), timestamp);
+    }
+
+    bool HasDecodePlc() const override { return decoder_->HasDecodePlc(); }
+
+    int ErrorCode() override { return decoder_->ErrorCode(); }
+
+    void Reset() override { decoder_->Reset(); }
+
+    int SampleRateHz() const override { return decoder_->SampleRateHz(); }
+
+    size_t Channels() const override { return decoder_->Channels(); }
+
+    int DecodeInternal(const uint8_t* encoded,
+                       size_t encoded_len,
+                       int sample_rate_hz,
+                       int16_t* decoded,
+                       SpeechType* speech_type) override {
+      // Needed for tests of NetEqImpl::DecodeCng, which calls the deprecated
+      // Decode method.
+      size_t max_decoded_bytes =
+          decoder_->PacketDuration(encoded, encoded_len) *
+          decoder_->Channels() * sizeof(int16_t);
+      return decoder_->Decode(encoded, encoded_len, sample_rate_hz,
+                              max_decoded_bytes, decoded, speech_type);
+    }
+
+    void GeneratePlc(size_t requested_samples_per_channel,
+                     rtc::BufferT<int16_t>* concealment_audio) override {
+      decoder_->GeneratePlc(requested_samples_per_channel, concealment_audio);
+    }
+
+    AudioDecoder* const decoder_;
+  };
+
+  AudioDecoder* const decoder_;
+};
+
+}  // namespace test
+}  // namespace webrtc
+
+#endif  // TEST_AUDIO_DECODER_PROXY_FACTORY_H_
-- 
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