52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
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#include "logging.h"
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#include "AudioDevice.h"
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using namespace tgvoip;
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AudioInputTester::AudioInputTester(std::string deviceID)
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: m_deviceID(std::move(deviceID))
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{
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m_io = audio::AudioIO::Create(m_deviceID, "default");
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if (m_io->Failed())
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{
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LOGE("Audio IO failed");
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return;
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}
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m_input = m_io->GetInput();
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m_input->SetCallback([](std::uint8_t* data, std::size_t size, void* ctx) -> std::size_t
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{
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reinterpret_cast<AudioInputTester*>(ctx)->Update(reinterpret_cast<std::int16_t*>(data), size / 2);
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return 0;
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},
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this);
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m_input->Start();
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}
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AudioInputTester::~AudioInputTester()
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{
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m_input->Stop();
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delete m_io;
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}
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void AudioInputTester::Update(std::int16_t* samples, std::size_t count)
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{
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for (std::size_t i = 0; i < count; i++)
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{
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std::int16_t s = static_cast<std::int16_t>(std::abs(samples[i]));
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if (s > m_maxSample)
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m_maxSample = s;
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}
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}
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float AudioInputTester::GetAndResetLevel()
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{
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float s = m_maxSample;
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m_maxSample = 0;
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return s / std::numeric_limits<std::int16_t>::max();
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}
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bool AudioInputTester::Failed() const
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{
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return (m_io != nullptr) && m_io->Failed();
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}
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