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release 0.1.0

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InoriRus
2022-05-21 22:04:50 +10:00
parent bc02c0560e
commit a37a9ca253
1056 changed files with 222884 additions and 41332 deletions
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source/3rdparty/sdl2/src/audio/dsp/SDL_dspaudio.c
Vendored
+23 -6
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@@ -1,6 +1,6 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
Copyright (C) 1997-2022 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
@@ -68,8 +68,9 @@ DSP_CloseDevice(_THIS)
static int
DSP_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
DSP_OpenDevice(_THIS, const char *devname)
{
SDL_bool iscapture = this->iscapture;
const int flags = ((iscapture) ? OPEN_FLAGS_INPUT : OPEN_FLAGS_OUTPUT);
int format;
int value;
@@ -103,7 +104,7 @@ DSP_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
SDL_zerop(this->hidden);
/* Open the audio device */
this->hidden->audio_fd = open(devname, flags, 0);
this->hidden->audio_fd = open(devname, flags | O_CLOEXEC, 0);
if (this->hidden->audio_fd < 0) {
return SDL_SetError("Couldn't open %s: %s", devname, strerror(errno));
}
@@ -292,9 +293,25 @@ DSP_FlushCapture(_THIS)
}
}
static SDL_bool InitTimeDevicesExist = SDL_FALSE;
static int
look_for_devices_test(int fd)
{
InitTimeDevicesExist = SDL_TRUE; /* note that _something_ exists. */
/* Don't add to the device list, we're just seeing if any devices exist. */
return 0;
}
static SDL_bool
DSP_Init(SDL_AudioDriverImpl * impl)
{
InitTimeDevicesExist = SDL_FALSE;
SDL_EnumUnixAudioDevices(0, look_for_devices_test);
if (!InitTimeDevicesExist) {
SDL_SetError("dsp: No such audio device");
return SDL_FALSE; /* maybe try a different backend. */
}
/* Set the function pointers */
impl->DetectDevices = DSP_DetectDevices;
impl->OpenDevice = DSP_OpenDevice;
@@ -304,15 +321,15 @@ DSP_Init(SDL_AudioDriverImpl * impl)
impl->CaptureFromDevice = DSP_CaptureFromDevice;
impl->FlushCapture = DSP_FlushCapture;
impl->AllowsArbitraryDeviceNames = 1;
impl->AllowsArbitraryDeviceNames = SDL_TRUE;
impl->HasCaptureSupport = SDL_TRUE;
return 1; /* this audio target is available. */
return SDL_TRUE; /* this audio target is available. */
}
AudioBootStrap DSP_bootstrap = {
"dsp", "OSS /dev/dsp standard audio", DSP_Init, 0
"dsp", "OSS /dev/dsp standard audio", DSP_Init, SDL_FALSE
};
#endif /* SDL_AUDIO_DRIVER_OSS */