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audio: Added SDL_EVENT_AUDIO_DEVICE_FORMAT_CHANGED

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This fires if an opened device changes formats (which it can on Windows,
if the user changes this in the system control panel, and WASAPI can
report), or if a default device migrates to new hardware and the format
doesn't match.

This will fire for all logical devices on a physical device (and if it's
a format change and not a default device change, it'll fire for the
physical device too, but that's honestly not that useful and might change).

Fixes #8267.
This commit is contained in:
Ryan C. Gordon
2023-09-19 17:54:44 -04:00
parent c7e6d7a1f7
commit 23206b9e3f
5 changed files with 48 additions and 13 deletions
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9
include/SDL3/SDL_events.h
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@@ -185,8 +185,9 @@ typedef enum
SDL_EVENT_DROP_POSITION, /**< Position while moving over the window */
/* Audio hotplug events */
SDL_EVENT_AUDIO_DEVICE_ADDED = 0x1100, /**< A new audio device is available */
SDL_EVENT_AUDIO_DEVICE_REMOVED, /**< An audio device has been removed. */
SDL_EVENT_AUDIO_DEVICE_ADDED = 0x1100, /**< A new audio device is available */
SDL_EVENT_AUDIO_DEVICE_REMOVED, /**< An audio device has been removed. */
SDL_EVENT_AUDIO_DEVICE_FORMAT_CHANGED, /**< An audio device's format has been changed by the system. */
/* Sensor events */
SDL_EVENT_SENSOR_UPDATE = 0x1200, /**< A sensor was updated */
@@ -491,9 +492,9 @@ typedef struct SDL_GamepadSensorEvent
*/
typedef struct SDL_AudioDeviceEvent
{
Uint32 type; /**< ::SDL_EVENT_AUDIO_DEVICE_ADDED, or ::SDL_EVENT_AUDIO_DEVICE_REMOVED */
Uint32 type; /**< ::SDL_EVENT_AUDIO_DEVICE_ADDED, or ::SDL_EVENT_AUDIO_DEVICE_REMOVED, or ::SDL_EVENT_AUDIO_DEVICE_FORMAT_CHANGED */
Uint64 timestamp; /**< In nanoseconds, populated using SDL_GetTicksNS() */
SDL_AudioDeviceID which; /**< SDL_AudioDeviceID for the device being added or removed */
SDL_AudioDeviceID which; /**< SDL_AudioDeviceID for the device being added or removed or changing */
Uint8 iscapture; /**< zero if an output device, non-zero if a capture device. */
Uint8 padding1;
Uint8 padding2;