mirror of
https://github.com/mackron/miniaudio.git
synced 2026-04-22 00:06:59 +02:00
David Reid
cba66e9bae
Rationale: 1) The number of parameters is just getting too much. 2) It makes it a bit easier to add new configuration properties in the future. In particular, there's a chance there will be support added for backend-specific properties.
64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
#define MAL_IMPLEMENTATION
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#include "../mini_al.h"
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#define DR_WAV_IMPLEMENTATION
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#include "dr_wav.h"
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#include <stdio.h>
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// This is the function that's used for sending more data to the device for playback.
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mal_uint32 on_send_frames_to_device(mal_device* pDevice, mal_uint32 frameCount, void* pSamples)
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{
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drwav* pWav = (drwav*)pDevice->pUserData;
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if (pWav == NULL) {
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return 0;
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}
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return (mal_uint32)drwav_read_f32(pWav, frameCount * pDevice->channels, (float*)pSamples) / pDevice->channels;
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}
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int main(int argc, char** argv)
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{
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if (argc < 2) {
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printf("No input file.");
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return -1;
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}
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drwav wav;
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if (!drwav_init_file(&wav, argv[1])) {
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printf("Not a valid WAV file.");
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return -2;
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}
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// In this example we use the default playback device with a default buffer size and period count.
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mal_device_config config;
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config.format = mal_format_f32;
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config.channels = wav.channels;
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config.sampleRate = wav.sampleRate;
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config.bufferSizeInFrames = 0; // Use default.
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config.periods = 0; // Use default.
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mal_device device;
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if (mal_device_init(&device, mal_device_type_playback, NULL, &config, NULL, NULL) != MAL_SUCCESS) {
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printf("Failed to open playback device.");
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drwav_uninit(&wav);
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return -3;
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}
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// The pUserData member of mal_device is reserved for you.
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device.pUserData = &wav;
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// This is the callback for sending data to a playback device when it needs more. Make sure
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// it's set before playing the device otherwise you'll end up with silence for the first
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// bunch of frames.
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mal_device_set_send_callback(&device, on_send_frames_to_device);
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mal_device_start(&device);
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printf("Press Enter to quit...");
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getchar();
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mal_device_uninit(&device);
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drwav_uninit(&wav);
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return 0;
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} |