diff options
Diffstat (limited to 'src/lib/portmidi/ptwinmm.c')
-rw-r--r-- | src/lib/portmidi/ptwinmm.c | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/src/lib/portmidi/ptwinmm.c b/src/lib/portmidi/ptwinmm.c index 17675bd6c6a..c3c5ee041d5 100644 --- a/src/lib/portmidi/ptwinmm.c +++ b/src/lib/portmidi/ptwinmm.c @@ -14,57 +14,57 @@ static long time_resolution; static MMRESULT timer_id; static PtCallback *time_callback; -void CALLBACK winmm_time_callback(UINT uID, UINT uMsg, DWORD_PTR dwUser, - DWORD_PTR dw1, DWORD_PTR dw2) +void CALLBACK winmm_time_callback(UINT uID, UINT uMsg, DWORD_PTR dwUser, + DWORD_PTR dw1, DWORD_PTR dw2) { - (*time_callback)(Pt_Time(), (void *) dwUser); + (*time_callback)(Pt_Time(), (void *) dwUser); } - + PMEXPORT PtError Pt_Start(int resolution, PtCallback *callback, void *userData) { - if (time_started_flag) return ptAlreadyStarted; - timeBeginPeriod(resolution); - time_resolution = resolution; - time_offset = timeGetTime(); - time_started_flag = TRUE; - time_callback = callback; - if (callback) { - timer_id = timeSetEvent(resolution, 1, winmm_time_callback, - (DWORD_PTR) userData, TIME_PERIODIC | TIME_CALLBACK_FUNCTION); - if (!timer_id) return ptHostError; - } - return ptNoError; + if (time_started_flag) return ptAlreadyStarted; + timeBeginPeriod(resolution); + time_resolution = resolution; + time_offset = timeGetTime(); + time_started_flag = TRUE; + time_callback = callback; + if (callback) { + timer_id = timeSetEvent(resolution, 1, winmm_time_callback, + (DWORD_PTR) userData, TIME_PERIODIC | TIME_CALLBACK_FUNCTION); + if (!timer_id) return ptHostError; + } + return ptNoError; } PMEXPORT PtError Pt_Stop() { - if (!time_started_flag) return ptAlreadyStopped; - if (time_callback && timer_id) { - timeKillEvent(timer_id); - time_callback = NULL; - timer_id = 0; - } - time_started_flag = FALSE; - timeEndPeriod(time_resolution); - return ptNoError; + if (!time_started_flag) return ptAlreadyStopped; + if (time_callback && timer_id) { + timeKillEvent(timer_id); + time_callback = NULL; + timer_id = 0; + } + time_started_flag = FALSE; + timeEndPeriod(time_resolution); + return ptNoError; } PMEXPORT int Pt_Started() { - return time_started_flag; + return time_started_flag; } PMEXPORT PtTimestamp Pt_Time() { - return timeGetTime() - time_offset; + return timeGetTime() - time_offset; } PMEXPORT void Pt_Sleep(int32_t duration) { - Sleep(duration); + Sleep(duration); } |