mirror of
https://github.com/HIllya51/LunaTranslator.git
synced 2024-12-26 23:24:13 +08:00
72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
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#define MINIAUDIO_IMPLEMENTATION
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#include <miniaudio.h>
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void data_callback(ma_device *pDevice, void *pOutput, const void *pInput, ma_uint32 frameCount)
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{
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ma_decoder *pDecoder = (ma_decoder *)pDevice->pUserData;
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if (pDecoder == NULL)
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{
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return;
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}
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ma_decoder_read_pcm_frames(pDecoder, pOutput, frameCount, NULL);
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(void)pInput;
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}
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extern "C" __declspec(dllexport) void PlayAudioInMem_Stop(ma_decoder *decoder, ma_device *device)
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{
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ma_device_stop(device);
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ma_device_uninit(device);
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ma_decoder_uninit(decoder);
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delete decoder;
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delete device;
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}
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extern "C" __declspec(dllexport) int PlayAudioInMem(void *ptr, size_t len, float volume, ma_decoder **decoderet, ma_device **deviceret, float *duration)
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{
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ma_result result;
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ma_decoder *decoder = new ma_decoder;
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ma_device_config deviceConfig;
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ma_device *device = new ma_device;
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ZeroMemory(device, sizeof(ma_device));
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ZeroMemory(decoder, sizeof(ma_decoder));
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result = ma_decoder_init_memory(ptr, len, NULL, decoder);
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if (result != MA_SUCCESS)
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{
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delete decoder;
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delete device;
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return -2;
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}
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deviceConfig = ma_device_config_init(ma_device_type_playback);
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deviceConfig.playback.format = decoder->outputFormat;
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deviceConfig.playback.channels = decoder->outputChannels;
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deviceConfig.sampleRate = decoder->outputSampleRate;
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deviceConfig.dataCallback = data_callback;
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deviceConfig.pUserData = decoder;
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if (ma_device_init(NULL, &deviceConfig, device) != MA_SUCCESS)
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{
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ma_decoder_uninit(decoder);
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delete decoder;
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delete device;
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return -3;
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}
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ma_device_set_master_volume(device, volume);
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if (ma_device_start(device) != MA_SUCCESS)
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{
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ma_device_uninit(device);
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ma_decoder_uninit(decoder);
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delete decoder;
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delete device;
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return -4;
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}
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*decoderet = decoder;
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*deviceret = device;
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ma_uint64 frames;
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ma_decoder_get_length_in_pcm_frames(decoder, &frames);
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*duration = 1.0f * frames / (decoder->outputSampleRate);
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return 0;
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}
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