32 lines
785 B
C
32 lines
785 B
C
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#ifndef __FFMPEGRESAMPLE_H__
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#define __FFMPEGRESAMPLE_H__
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#include <array>
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#include <cstdint>
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#include <fstream>
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struct SwrContext;
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class FFmpegResample {
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public:
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class Frame {
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public:
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uint8_t *data = nullptr;
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int32_t byteSize = 0;
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};
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~FFmpegResample();
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void initialize(int32_t sampleRateIn, int32_t channelIn, int32_t sampleRateOut, int32_t channelOut,int32_t period);
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Frame resample(const uint8_t *pcm, int32_t size);
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private:
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SwrContext *m_swrContext = nullptr;
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uint8_t *m_buffer;
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std::array<uint8_t, 48 * 20 * 2 * 2> buffer;
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int32_t m_sampleRateOut = 48000;
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int32_t m_channelOut = 2;
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int32_t m_sampleRateIn = 16000;
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int32_t m_channelIn = 1;
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int32_t m_period = 20; // ms
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};
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#endif // __FFMPEGRESAMPLE_H__
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