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Add support for supplying a custom device data callback to ma_engine.

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When this is used, the data callback should at some point call
ma_engine_read_pcm_frames() in order to do some processing.
This commit is contained in:
David Reid
2023-06-05 09:01:30 +10:00
parent 5f32336a34
commit 1177997599
1 changed files with 2 additions and 1 deletions
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miniaudio.h
+2 -1
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@@ -11147,6 +11147,7 @@ typedef struct
ma_context* pContext;
ma_device* pDevice; /* If set, the caller is responsible for calling ma_engine_data_callback() in the device's data callback. */
ma_device_id* pPlaybackDeviceID; /* The ID of the playback device to use with the default listener. */
ma_device_data_proc dataCallback; /* Can be null. Can be used to provide a custom device data callback. */
ma_device_notification_proc notificationCallback;
#endif
ma_log* pLog; /* When set to NULL, will use the context's log. */
@@ -74228,7 +74229,7 @@ MA_API ma_result ma_engine_init(const ma_engine_config* pConfig, ma_engine* pEng
deviceConfig.playback.format = ma_format_f32;
deviceConfig.playback.channels = engineConfig.channels;
deviceConfig.sampleRate = engineConfig.sampleRate;
deviceConfig.dataCallback = ma_engine_data_callback_internal;
deviceConfig.dataCallback = (engineConfig.dataCallback != NULL) ? engineConfig.dataCallback : ma_engine_data_callback_internal;
deviceConfig.pUserData = pEngine;
deviceConfig.notificationCallback = engineConfig.notificationCallback;
deviceConfig.periodSizeInFrames = engineConfig.periodSizeInFrames;