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Updated SDL2 to the latest Mercurial revision.

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This commit is contained in:
Alex Szpakowski
2015-08-22 14:16:20 -03:00
parent 0753e6b560
commit c47a4b56bb
916 changed files with 16588 additions and 22006 deletions
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libs/SDL2/src/audio/SDL_audiodev.c
+23 -13
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@@ -1,6 +1,6 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
Copyright (C) 1997-2015 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
@@ -46,18 +46,21 @@
#define _PATH_DEV_AUDIO "/dev/audio"
#endif
static SDL_INLINE void
test_device(const char *fname, int flags, int (*test) (int fd),
SDL_AddAudioDevice addfn)
static void
test_device(const int iscapture, const char *fname, int flags, int (*test) (int fd))
{
struct stat sb;
if ((stat(fname, &sb) == 0) && (S_ISCHR(sb.st_mode))) {
const int audio_fd = open(fname, flags, 0);
if (audio_fd >= 0) {
if (test(audio_fd)) {
addfn(fname);
}
const int okay = test(audio_fd);
close(audio_fd);
if (okay) {
static size_t dummyhandle = 0;
dummyhandle++;
SDL_assert(dummyhandle != 0);
SDL_AddAudioDevice(iscapture, fname, (void *) dummyhandle);
}
}
}
}
@@ -68,11 +71,10 @@ test_stub(int fd)
return 1;
}
void
SDL_EnumUnixAudioDevices(int iscapture, int classic, int (*test)(int fd),
SDL_AddAudioDevice addfn)
static void
SDL_EnumUnixAudioDevices_Internal(const int iscapture, const int classic, int (*test)(int))
{
const int flags = ((iscapture) ? OPEN_FLAGS_INPUT : OPEN_FLAGS_OUTPUT);
const int flags = iscapture ? OPEN_FLAGS_INPUT : OPEN_FLAGS_OUTPUT;
const char *audiodev;
char audiopath[1024];
@@ -97,17 +99,25 @@ SDL_EnumUnixAudioDevices(int iscapture, int classic, int (*test)(int fd),
}
}
}
test_device(audiodev, flags, test, addfn);
test_device(iscapture, audiodev, flags, test);
if (SDL_strlen(audiodev) < (sizeof(audiopath) - 3)) {
int instance = 0;
while (instance++ <= 64) {
SDL_snprintf(audiopath, SDL_arraysize(audiopath),
"%s%d", audiodev, instance);
test_device(audiopath, flags, test, addfn);
test_device(iscapture, audiopath, flags, test);
}
}
}
void
SDL_EnumUnixAudioDevices(const int classic, int (*test)(int))
{
SDL_EnumUnixAudioDevices_Internal(SDL_TRUE, classic, test);
SDL_EnumUnixAudioDevices_Internal(SDL_FALSE, classic, test);
}
#endif /* Audio driver selection */
/* vi: set ts=4 sw=4 expandtab: */