100 lines
3.2 KiB
C
100 lines
3.2 KiB
C
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/*
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* Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef TEST_AUDIO_DECODER_PROXY_FACTORY_H_
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#define TEST_AUDIO_DECODER_PROXY_FACTORY_H_
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#include <memory>
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#include <utility>
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#include <vector>
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#include "api/audio_codecs/audio_decoder.h"
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#include "api/audio_codecs/audio_decoder_factory.h"
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namespace webrtc {
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namespace test {
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// A decoder factory with a single underlying AudioDecoder object, intended for
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// test purposes. Each call to MakeAudioDecoder returns a proxy for the same
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// decoder, typically a mock or fake decoder.
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class AudioDecoderProxyFactory : public AudioDecoderFactory {
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public:
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explicit AudioDecoderProxyFactory(AudioDecoder* decoder)
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: decoder_(decoder) {}
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// Unused by tests.
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std::vector<AudioCodecSpec> GetSupportedDecoders() override {
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RTC_NOTREACHED();
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return {};
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}
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bool IsSupportedDecoder(const SdpAudioFormat& format) override {
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return true;
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}
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std::unique_ptr<AudioDecoder> MakeAudioDecoder(
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const SdpAudioFormat& /* format */,
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absl::optional<AudioCodecPairId> /* codec_pair_id */) override {
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return std::make_unique<DecoderProxy>(decoder_);
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}
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private:
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// Wrapper class, since CreateAudioDecoder needs to surrender
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// ownership to the object it returns.
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class DecoderProxy final : public AudioDecoder {
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public:
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explicit DecoderProxy(AudioDecoder* decoder) : decoder_(decoder) {}
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private:
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std::vector<ParseResult> ParsePayload(rtc::Buffer&& payload,
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uint32_t timestamp) override {
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return decoder_->ParsePayload(std::move(payload), timestamp);
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}
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bool HasDecodePlc() const override { return decoder_->HasDecodePlc(); }
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int ErrorCode() override { return decoder_->ErrorCode(); }
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void Reset() override { decoder_->Reset(); }
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int SampleRateHz() const override { return decoder_->SampleRateHz(); }
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size_t Channels() const override { return decoder_->Channels(); }
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int DecodeInternal(const uint8_t* encoded,
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size_t encoded_len,
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int sample_rate_hz,
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int16_t* decoded,
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SpeechType* speech_type) override {
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// Needed for tests of NetEqImpl::DecodeCng, which calls the deprecated
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// Decode method.
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size_t max_decoded_bytes =
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decoder_->PacketDuration(encoded, encoded_len) *
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decoder_->Channels() * sizeof(int16_t);
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return decoder_->Decode(encoded, encoded_len, sample_rate_hz,
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max_decoded_bytes, decoded, speech_type);
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}
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void GeneratePlc(size_t requested_samples_per_channel,
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rtc::BufferT<int16_t>* concealment_audio) override {
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decoder_->GeneratePlc(requested_samples_per_channel, concealment_audio);
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}
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AudioDecoder* const decoder_;
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};
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AudioDecoder* const decoder_;
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};
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} // namespace test
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} // namespace webrtc
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#endif // TEST_AUDIO_DECODER_PROXY_FACTORY_H_
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