30 lines
859 B
C
30 lines
859 B
C
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#pragma once
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extern "C" {
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#include <libswresample/swresample.h>
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}
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class SwrUtil {
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public:
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struct Param {
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int sample_rate;
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int channels;
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AVSampleFormat format;
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} _input, _output;
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private:
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SwrContext *_swrCtx = nullptr;
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public:
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SwrUtil() : _swrCtx(swr_alloc()) {}
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int init(Param in, Param out) {
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_swrCtx = swr_alloc_set_opts(_swrCtx,
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av_get_default_channel_layout(out.channels),
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out.format,
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out.sample_rate,
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av_get_default_channel_layout(in.channels),
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in.format,
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in.sample_rate,
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0, nullptr);
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return _swrCtx ? 0 : -1;
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}
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int convert(){}
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};
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