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SDL locked audio issue #21

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samo79 opened this issue May 5, 2022 · 2 comments
Closed

SDL locked audio issue #21

samo79 opened this issue May 5, 2022 · 2 comments
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invalid This doesn't seem right

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@samo79
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samo79 commented May 5, 2022

If you have an AHI output busy with another application opened (lets say for example MPlayer) and you launch an SDL app that still use the same audio source --> we got this message error:

Could not initialize SDL: Failed to load AHI

Raziel added:
SDL doesn't like another program hogging AHI resources...i got that with other SDL apps too.

https://www.amigans.net/modules/newbb/viewtopic.php?post_id=130403#forumpost130403
@raziel-
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raziel- commented May 5, 2022

While I don't know anything about SDL's AHI handling and I also don't think it's SDL's responsibility to work around other programs erroneous handling of AHI resources, it might be an idea for SDL to check for locked AHI resources and, if found, simply use one of the free units available instead (Music, 0 to 3)?

If such is even possible...

@capehill capehill added the invalid This doesn't seem right label May 8, 2022
@capehill
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capehill commented May 8, 2022

This doesn't seem to be an SDL issue. If some application uses low-level (function) API to control AHI, then other applications cannot use it. For example, in such a case, try playing test sound using AHI prefs (any unit).

AFAIK the only way is to change MPlayer to use device API.

@capehill capehill closed this as completed May 8, 2022
capehill pushed a commit that referenced this issue Mar 14, 2023
@slouken
Fixed MFI controller being opened while HIDAPI controller was being o…
f71178a 
…pened

This was the callstack:
    frame #3: 0x00000001004e1930 libSDL3.1.0.0.dylib`IOS_AddJoystickDevice(controller=0x0000600003b0c000, accelerometer=SDL_FALSE) at SDL_mfijoystick.m:528:14
    frame #4: 0x00000001004e1a54 libSDL3.1.0.0.dylib`__IOS_JoystickInit_block_invoke(.block_descriptor=0x0000000100547760, note=@"GCControllerDidConnectNotification") at SDL_mfijoystick.m:673:45
    frame #5: 0x000000018601e578 CoreFoundation`__CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__ + 128
    frame #6: 0x00000001860bc074 CoreFoundation`___CFXRegistrationPost_block_invoke + 88
    frame #7: 0x00000001860bbfbc CoreFoundation`_CFXRegistrationPost + 440
    frame #8: 0x0000000185fefbac CoreFoundation`_CFXNotificationPost + 708
    frame #9: 0x0000000186edc72c Foundation`-[NSNotificationCenter postNotificationName:object:userInfo:] + 88
    frame #10: 0x000000019b054a18 GameController`__60-[_GCControllerManagerAppClient _onqueue_publishController:]_block_invoke + 156
    frame #11: 0x0000000185dc19dc libdispatch.dylib`_dispatch_call_block_and_release + 32
    frame #12: 0x0000000185dc3504 libdispatch.dylib`_dispatch_client_callout + 20
    frame #13: 0x0000000185dd1d1c libdispatch.dylib`_dispatch_main_queue_drain + 928
    frame #14: 0x0000000185dd196c libdispatch.dylib`_dispatch_main_queue_callback_4CF + 44
    frame #15: 0x000000018606ad6c CoreFoundation`__CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 16
    frame #16: 0x00000001860287ec CoreFoundation`__CFRunLoopRun + 2036
    frame #17: 0x00000001860278a4 CoreFoundation`CFRunLoopRunSpecific + 612
    frame #18: 0x00000001003b1194 libSDL3.1.0.0.dylib`process_pending_events at hid.c:509:9
    frame #19: 0x00000001003aebe8 libSDL3.1.0.0.dylib`PLATFORM_hid_open_path(path="USB_054c_05c4_0x11a104290", bExclusive=0) at hid.c:823:2
    frame #20: 0x00000001003b051c libSDL3.1.0.0.dylib`SDL_hid_open_path_REAL(path="USB_054c_05c4_0x11a104290", bExclusive=0) at SDL_hidapi.c:1419:19
    frame #21: 0x00000001004dabdc libSDL3.1.0.0.dylib`HIDAPI_SetupDeviceDriver(device=0x0000600003518000, removed=0x000000016fdfee3c) at SDL_hidapijoystick.c:399:19
    frame #22: 0x00000001004da890 libSDL3.1.0.0.dylib`HIDAPI_AddDevice(info=0x000060000212c2d0, num_children=0, children=0x0000000000000000) at SDL_hidapijoystick.c:843:5
    frame #23: 0x00000001004d9148 libSDL3.1.0.0.dylib`HIDAPI_UpdateDeviceList at SDL_hidapijoystick.c:1000:21
    frame #24: 0x00000001004d9940 libSDL3.1.0.0.dylib`HIDAPI_JoystickDetect at SDL_hidapijoystick.c:1205:13
    frame #25: 0x00000001003bc6d8 libSDL3.1.0.0.dylib`SDL_UpdateJoysticks_REAL at SDL_joystick.c:1703:9
    frame #26: 0x00000001003a13a8 libSDL3.1.0.0.dylib`SDL_PumpEventsInternal(push_sentinel=SDL_FALSE) at SDL_events.c:855:9
    frame #27: 0x00000001003a1340 libSDL3.1.0.0.dylib`SDL_PumpEvents_REAL at SDL_events.c:879:5
    frame #28: 0x000000010038b380 libSDL3.1.0.0.dylib`SDL_PumpEvents at SDL_dynapi_procs.h:572:1
    frame #29: 0x0000000100004524 testgamepad`loop + 40
    frame #30: 0x00000001000063d8 testgamepad`main + 2140

(cherry picked from commit a9650d4)
capehill pushed a commit that referenced this issue Mar 15, 2023
@slouken
Fixed MFI controller being opened while HIDAPI controller was being o…
a9650d4 
…pened

This was the callstack:
    frame #3: 0x00000001004e1930 libSDL3.1.0.0.dylib`IOS_AddJoystickDevice(controller=0x0000600003b0c000, accelerometer=SDL_FALSE) at SDL_mfijoystick.m:528:14
    frame #4: 0x00000001004e1a54 libSDL3.1.0.0.dylib`__IOS_JoystickInit_block_invoke(.block_descriptor=0x0000000100547760, note=@"GCControllerDidConnectNotification") at SDL_mfijoystick.m:673:45
    frame #5: 0x000000018601e578 CoreFoundation`__CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__ + 128
    frame #6: 0x00000001860bc074 CoreFoundation`___CFXRegistrationPost_block_invoke + 88
    frame #7: 0x00000001860bbfbc CoreFoundation`_CFXRegistrationPost + 440
    frame #8: 0x0000000185fefbac CoreFoundation`_CFXNotificationPost + 708
    frame #9: 0x0000000186edc72c Foundation`-[NSNotificationCenter postNotificationName:object:userInfo:] + 88
    frame #10: 0x000000019b054a18 GameController`__60-[_GCControllerManagerAppClient _onqueue_publishController:]_block_invoke + 156
    frame #11: 0x0000000185dc19dc libdispatch.dylib`_dispatch_call_block_and_release + 32
    frame #12: 0x0000000185dc3504 libdispatch.dylib`_dispatch_client_callout + 20
    frame #13: 0x0000000185dd1d1c libdispatch.dylib`_dispatch_main_queue_drain + 928
    frame #14: 0x0000000185dd196c libdispatch.dylib`_dispatch_main_queue_callback_4CF + 44
    frame #15: 0x000000018606ad6c CoreFoundation`__CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 16
    frame #16: 0x00000001860287ec CoreFoundation`__CFRunLoopRun + 2036
    frame #17: 0x00000001860278a4 CoreFoundation`CFRunLoopRunSpecific + 612
    frame #18: 0x00000001003b1194 libSDL3.1.0.0.dylib`process_pending_events at hid.c:509:9
    frame #19: 0x00000001003aebe8 libSDL3.1.0.0.dylib`PLATFORM_hid_open_path(path="USB_054c_05c4_0x11a104290", bExclusive=0) at hid.c:823:2
    frame #20: 0x00000001003b051c libSDL3.1.0.0.dylib`SDL_hid_open_path_REAL(path="USB_054c_05c4_0x11a104290", bExclusive=0) at SDL_hidapi.c:1419:19
    frame #21: 0x00000001004dabdc libSDL3.1.0.0.dylib`HIDAPI_SetupDeviceDriver(device=0x0000600003518000, removed=0x000000016fdfee3c) at SDL_hidapijoystick.c:399:19
    frame #22: 0x00000001004da890 libSDL3.1.0.0.dylib`HIDAPI_AddDevice(info=0x000060000212c2d0, num_children=0, children=0x0000000000000000) at SDL_hidapijoystick.c:843:5
    frame #23: 0x00000001004d9148 libSDL3.1.0.0.dylib`HIDAPI_UpdateDeviceList at SDL_hidapijoystick.c:1000:21
    frame #24: 0x00000001004d9940 libSDL3.1.0.0.dylib`HIDAPI_JoystickDetect at SDL_hidapijoystick.c:1205:13
    frame #25: 0x00000001003bc6d8 libSDL3.1.0.0.dylib`SDL_UpdateJoysticks_REAL at SDL_joystick.c:1703:9
    frame #26: 0x00000001003a13a8 libSDL3.1.0.0.dylib`SDL_PumpEventsInternal(push_sentinel=SDL_FALSE) at SDL_events.c:855:9
    frame #27: 0x00000001003a1340 libSDL3.1.0.0.dylib`SDL_PumpEvents_REAL at SDL_events.c:879:5
    frame #28: 0x000000010038b380 libSDL3.1.0.0.dylib`SDL_PumpEvents at SDL_dynapi_procs.h:572:1
    frame #29: 0x0000000100004524 testgamepad`loop + 40
    frame #30: 0x00000001000063d8 testgamepad`main + 2140
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@raziel- @capehill @samo79