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API CHANGE: Add device callbacks to mal_device_config.

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Rationale:
1) It allows the callbacks to be set at initialization time which feels
   a bit more intuitive to me.
2) It avoids the need to call mal_device_set_send_callback(), etc.
3) It's a bit more consistent with the onLog callback. Previously,
   onLog would be passed to mal_device_init(), whereas onSend, etc were
   set with mal_device_set_send_callback(), etc. which feels needlessly
   inconsistent.
This commit is contained in:
David Reid
2016-10-26 22:20:16 +10:00
parent 4e2e48d29e
commit 7afcede3bd
4 changed files with 51 additions and 37 deletions
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examples/simple_playback.c
+5 -9
View File
@@ -37,21 +37,17 @@ int main(int argc, char** argv)
config.sampleRate = wav.sampleRate;
config.bufferSizeInFrames = 0; // Use default.
config.periods = 0; // Use default.
config.onRecvCallback = NULL; // Not used for playback.
config.onSendCallback = on_send_frames_to_device;
config.onStopCallback = NULL;
config.onLogCallback = NULL;
mal_device device;
if (mal_device_init(&device, mal_device_type_playback, NULL, &config, NULL, NULL) != MAL_SUCCESS) {
if (mal_device_init(&device, mal_device_type_playback, NULL, &config, &wav) != MAL_SUCCESS) {
printf("Failed to open playback device.");
drwav_uninit(&wav);
return -3;
}
// The pUserData member of mal_device is reserved for you.
device.pUserData = &wav;
// This is the callback for sending data to a playback device when it needs more. Make sure
// it's set before playing the device otherwise you'll end up with silence for the first
// bunch of frames.
mal_device_set_send_callback(&device, on_send_frames_to_device);
mal_device_start(&device);
printf("Press Enter to quit...");