/* pmwin.c -- PortMidi os-dependent code */ /* This file only needs to implement: pm_init(), which calls various routines to register the available midi devices, Pm_GetDefaultInputDeviceID(), and Pm_GetDefaultOutputDeviceID(). This file must be separate from the main portmidi.c file because it is system dependent, and it is separate from, say, pmwinmm.c, because it might need to register devices for winmm, directx, and others. */ #include "stdlib.h" #include "portmidi.h" #include "pminternal.h" #include "pmwinmm.h" #ifdef USE_DLL_FOR_CLEANUP #include "pmdll.h" /* used to close ports on exit */ #endif #ifdef DEBUG #include "stdio.h" #endif void pm_init(void) { #ifdef USE_DLL_FOR_CLEANUP /* we were hoping a DLL could offer more robust cleanup after errors, but the DLL does not seem to run after crashes. Thus, the atexit() mechanism is just as powerful, and simpler to implement. */ pm_set_close_function(pm_term); #ifdef DEBUG printf("registered pm_term with cleanup DLL\n"); #endif #else atexit(pm_term); #ifdef DEBUG printf("registered pm_term with atexit()\n"); #endif #endif pm_winmm_init(); } void pm_term(void) { pm_winmm_term(); } PmDeviceID Pm_GetDefaultInputDeviceID() { /* This routine should check the environment and the registry as specified in portmidi.h, but for now, it just returns the first device of the proper input/output flavor. */ int i; Pm_Initialize(); /* make sure descriptors exist! */ for (i = 0; i < descriptor_index; i++) { if (descriptors[i].pub.input) { return i; } } return pmNoDevice; } PmDeviceID Pm_GetDefaultOutputDeviceID() { /* This routine should check the environment and the registry as specified in portmidi.h, but for now, it just returns the first device of the proper input/output flavor. */ int i; Pm_Initialize(); /* make sure descriptors exist! */ for (i = 0; i < descriptor_index; i++) { if (descriptors[i].pub.output) { return i; } } return pmNoDevice; return 0; } #include "stdio.h" void *pm_alloc(size_t s) { return malloc(s); } void pm_free(void *ptr) { free(ptr); }