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Update example in README.

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David Reid
2018-02-25 20:01:23 +10:00
parent 87d05684b0
commit af2c185a1d
1 changed files with 20 additions and 26 deletions
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README.md
+20 -26
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@@ -60,23 +60,27 @@ Simple Playback Example
=======================
```c
#define DR_FLAC_IMPLEMENTATION
#include "../extras/dr_flac.h" // Enables FLAC decoding.
#define DR_MP3_IMPLEMENTATION
#include "../extras/dr_mp3.h" // Enables MP3 decoding.
#define DR_WAV_IMPLEMENTATION
#include "../extras/dr_wav.h" // Enables WAV decoding.
#define MAL_IMPLEMENTATION
#include "../mini_al.h"
#define DR_WAV_IMPLEMENTATION
#include "../extras/dr_wav.h"
#include <stdio.h>
// This is the function that's used for sending more data to the device for playback.
mal_uint32 on_send_frames_to_device(mal_device* pDevice, mal_uint32 frameCount, void* pSamples)
{
drwav* pWav = (drwav*)pDevice->pUserData;
if (pWav == NULL) {
mal_decoder* pDecoder = (mal_decoder*)pDevice->pUserData;
if (pDecoder == NULL) {
return 0;
}
return (mal_uint32)drwav_read_s16(pWav, frameCount * pDevice->channels, (mal_int16*)pSamples) / pDevice->channels;
return (mal_uint32)mal_decoder_read(pDecoder, frameCount, pSamples);
}
int main(int argc, char** argv)
@@ -86,43 +90,33 @@ int main(int argc, char** argv)
return -1;
}
drwav wav;
if (!drwav_init_file(&wav, argv[1])) {
printf("Not a valid WAV file.\n");
mal_decoder decoder;
mal_result result = mal_decoder_init_file(argv[1], NULL, &decoder);
if (result != MAL_SUCCESS) {
return -2;
}
mal_context context;
if (mal_context_init(NULL, 0, NULL, &context) != MAL_SUCCESS) {
printf("Failed to initialize context.\n");
drwav_uninit(&wav);
return -3;
}
mal_device_config config = mal_device_config_init_playback(mal_format_s16, wav.channels, wav.sampleRate, on_send_frames_to_device);
mal_device_config config = mal_device_config_init_playback(decoder.outputFormat, decoder.outputChannels, decoder.outputSampleRate, on_send_frames_to_device);
mal_device device;
if (mal_device_init(&context, mal_device_type_playback, NULL, &config, &wav, &device) != MAL_SUCCESS) {
if (mal_device_init(NULL, mal_device_type_playback, NULL, &config, &decoder, &device) != MAL_SUCCESS) {
printf("Failed to open playback device.\n");
mal_context_uninit(&context);
drwav_uninit(&wav);
return -4;
mal_decoder_uninit(&decoder);
return -3;
}
if (mal_device_start(&device) != MAL_SUCCESS) {
printf("Failed to start playback device.\n");
mal_device_uninit(&device);
mal_context_uninit(&context);
drwav_uninit(&wav);
return -5;
mal_decoder_uninit(&decoder);
return -4;
}
printf("Press Enter to quit...");
getchar();
mal_device_uninit(&device);
mal_context_uninit(&context);
drwav_uninit(&wav);
mal_decoder_uninit(&decoder);
return 0;
}