diff options
Diffstat (limited to 'src/lib/portmidi/pmwin.c')
-rw-r--r-- | src/lib/portmidi/pmwin.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/src/lib/portmidi/pmwin.c b/src/lib/portmidi/pmwin.c new file mode 100644 index 00000000000..a57ed878df6 --- /dev/null +++ b/src/lib/portmidi/pmwin.c @@ -0,0 +1,144 @@ +/* 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 "pmutil.h" +#include "pminternal.h" +#include "pmwinmm.h" +#ifdef DEBUG +#include "stdio.h" +#endif +#undef UNICODE +#include <windows.h> + +/* pm_exit is called when the program exits. + It calls pm_term to make sure PortMidi is properly closed. + If DEBUG is on, we prompt for input to avoid losing error messages. + */ +static void pm_exit(void) { + pm_term(); +#ifdef DEBUG +#define STRING_MAX 80 + { + char line[STRING_MAX]; + printf("Type ENTER...\n"); + /* note, w/o this prompting, client console application can not see one + of its errors before closing. */ + fgets(line, STRING_MAX, stdin); + } +#endif +} + + +/* pm_init is the windows-dependent initialization.*/ +void pm_init(void) +{ + atexit(pm_exit); +#ifdef DEBUG + printf("registered pm_exit with atexit()\n"); +#endif + pm_winmm_init(); + /* initialize other APIs (DirectX?) here */ +} + + +void pm_term(void) { + pm_winmm_term(); +} + + +static PmDeviceID pm_get_default_device_id(int is_input, char *key) { + HKEY hkey; +#define PATTERN_MAX 256 + char pattern[PATTERN_MAX]; + DWORD pattern_max = PATTERN_MAX; + DWORD dwType; + /* Find first input or device -- this is the default. */ + PmDeviceID id = pmNoDevice; + int i, j; + Pm_Initialize(); /* make sure descriptors exist! */ + for (i = 0; i < pm_descriptor_index; i++) { + if (descriptors[i].pub.input == is_input) { + id = i; + break; + } + } + /* Look in registry for a default device name pattern. */ + if (RegOpenKeyExA(HKEY_CURRENT_USER, "Software", 0, KEY_READ, &hkey) != + ERROR_SUCCESS) { + return id; + } + if (RegOpenKeyExA(hkey, "JavaSoft", 0, KEY_READ, &hkey) != + ERROR_SUCCESS) { + return id; + } + if (RegOpenKeyExA(hkey, "Prefs", 0, KEY_READ, &hkey) != + ERROR_SUCCESS) { + return id; + } + if (RegOpenKeyExA(hkey, "/Port/Midi", 0, KEY_READ, &hkey) != + ERROR_SUCCESS) { + return id; + } + if (RegQueryValueExA(hkey, key, NULL, &dwType, (BYTE *)pattern, &pattern_max) != + ERROR_SUCCESS) { + return id; + } + + /* decode pattern: upper case encoded with "/" prefix */ + i = j = 0; + while (pattern[i]) { + if (pattern[i] == '/' && pattern[i + 1]) { + pattern[j++] = toupper(pattern[++i]); + } else { + pattern[j++] = tolower(pattern[i]); + } + i++; + } + pattern[j] = 0; /* end of string */ + + /* now pattern is the string from the registry; search for match */ + i = pm_find_default_device(pattern, is_input); + if (i != pmNoDevice) { + id = i; + } + return id; +} + + +PmDeviceID Pm_GetDefaultInputDeviceID() { + return pm_get_default_device_id(TRUE, + (char *)"/P/M_/R/E/C/O/M/M/E/N/D/E/D_/I/N/P/U/T_/D/E/V/I/C/E"); +} + + +PmDeviceID Pm_GetDefaultOutputDeviceID() { + return pm_get_default_device_id(FALSE, + (char *)"/P/M_/R/E/C/O/M/M/E/N/D/E/D_/O/U/T/P/U/T_/D/E/V/I/C/E"); +} + + +#include "stdio.h" + +void *pm_alloc(size_t s) { + return malloc(s); +} + + +void pm_free(void *ptr) { + free(ptr); +} + + |