From 30f41c02aec763d32e62351452da9ef582bc3472 Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Fri, 6 Mar 2026 13:30:59 -0800 Subject: Move contrib libraries to contrib repo --- contrib/SDL-3.2.8/src/audio/n3ds/SDL_n3dsaudio.c | 287 ----------------------- contrib/SDL-3.2.8/src/audio/n3ds/SDL_n3dsaudio.h | 40 ---- 2 files changed, 327 deletions(-) delete mode 100644 contrib/SDL-3.2.8/src/audio/n3ds/SDL_n3dsaudio.c delete mode 100644 contrib/SDL-3.2.8/src/audio/n3ds/SDL_n3dsaudio.h (limited to 'contrib/SDL-3.2.8/src/audio/n3ds') diff --git a/contrib/SDL-3.2.8/src/audio/n3ds/SDL_n3dsaudio.c b/contrib/SDL-3.2.8/src/audio/n3ds/SDL_n3dsaudio.c deleted file mode 100644 index 780b06c..0000000 --- a/contrib/SDL-3.2.8/src/audio/n3ds/SDL_n3dsaudio.c +++ /dev/null @@ -1,287 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2025 Sam Lantinga - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ -#include "SDL_internal.h" - -#ifdef SDL_AUDIO_DRIVER_N3DS - -// N3DS Audio driver - -#include "../SDL_sysaudio.h" -#include "SDL_n3dsaudio.h" - -#define N3DSAUDIO_DRIVER_NAME "n3ds" - -static dspHookCookie dsp_hook; -static SDL_AudioDevice *audio_device; - -// fully local functions related to the wavebufs / DSP, not the same as the `device->lock` SDL_Mutex! -static SDL_INLINE void contextLock(SDL_AudioDevice *device) -{ - LightLock_Lock(&device->hidden->lock); -} - -static SDL_INLINE void contextUnlock(SDL_AudioDevice *device) -{ - LightLock_Unlock(&device->hidden->lock); -} - -static void N3DSAUD_DspHook(DSP_HookType hook) -{ - if (hook == DSPHOOK_ONCANCEL) { - contextLock(audio_device); - audio_device->hidden->isCancelled = true; - SDL_AudioDeviceDisconnected(audio_device); - CondVar_Broadcast(&audio_device->hidden->cv); - contextUnlock(audio_device); - } -} - -static void AudioFrameFinished(void *vdevice) -{ - bool shouldBroadcast = false; - unsigned i; - SDL_AudioDevice *device = (SDL_AudioDevice *)vdevice; - - contextLock(device); - - for (i = 0; i < NUM_BUFFERS; i++) { - if (device->hidden->waveBuf[i].status == NDSP_WBUF_DONE) { - device->hidden->waveBuf[i].status = NDSP_WBUF_FREE; - shouldBroadcast = true; - } - } - - if (shouldBroadcast) { - CondVar_Broadcast(&device->hidden->cv); - } - - contextUnlock(device); -} - -static bool N3DSAUDIO_OpenDevice(SDL_AudioDevice *device) -{ - Result ndsp_init_res; - Uint8 *data_vaddr; - float mix[12]; - - device->hidden = (struct SDL_PrivateAudioData *)SDL_calloc(1, sizeof(*device->hidden)); - if (!device->hidden) { - return false; - } - - // Initialise the DSP service - ndsp_init_res = ndspInit(); - if (R_FAILED(ndsp_init_res)) { - if ((R_SUMMARY(ndsp_init_res) == RS_NOTFOUND) && (R_MODULE(ndsp_init_res) == RM_DSP)) { - return SDL_SetError("DSP init failed: dspfirm.cdc missing!"); - } else { - return SDL_SetError("DSP init failed. Error code: 0x%lX", ndsp_init_res); - } - } - - // Initialise internal state - LightLock_Init(&device->hidden->lock); - CondVar_Init(&device->hidden->cv); - - if (device->spec.channels > 2) { - device->spec.channels = 2; - } - - Uint32 format = 0; - SDL_AudioFormat test_format; - const SDL_AudioFormat *closefmts = SDL_ClosestAudioFormats(device->spec.format); - while ((test_format = *(closefmts++)) != 0) { - if (test_format == SDL_AUDIO_S8) { // Signed 8-bit audio supported - format = (device->spec.channels == 2) ? NDSP_FORMAT_STEREO_PCM8 : NDSP_FORMAT_MONO_PCM8; - break; - } else if (test_format == SDL_AUDIO_S16) { // Signed 16-bit audio supported - format = (device->spec.channels == 2) ? NDSP_FORMAT_STEREO_PCM16 : NDSP_FORMAT_MONO_PCM16; - break; - } - } - - if (!test_format) { // shouldn't happen, but just in case... - return SDL_SetError("No supported audio format found."); - } - - device->spec.format = test_format; - - // Update the fragment size as size in bytes - SDL_UpdatedAudioDeviceFormat(device); - - // Allocate mixing buffer - if (device->buffer_size >= SDL_MAX_UINT32 / 2) { - return SDL_SetError("Mixing buffer is too large."); - } - - device->hidden->mixbuf = (Uint8 *)SDL_malloc(device->buffer_size); - if (!device->hidden->mixbuf) { - return false; - } - - SDL_memset(device->hidden->mixbuf, device->silence_value, device->buffer_size); - - data_vaddr = (Uint8 *)linearAlloc(device->buffer_size * NUM_BUFFERS); - if (!data_vaddr) { - return SDL_OutOfMemory(); - } - - SDL_memset(data_vaddr, 0, device->buffer_size * NUM_BUFFERS); - DSP_FlushDataCache(data_vaddr, device->buffer_size * NUM_BUFFERS); - - device->hidden->nextbuf = 0; - - ndspChnReset(0); - - ndspChnSetInterp(0, NDSP_INTERP_LINEAR); - ndspChnSetRate(0, device->spec.freq); - ndspChnSetFormat(0, format); - - SDL_zeroa(mix); - mix[0] = mix[1] = 1.0f; - ndspChnSetMix(0, mix); - - SDL_memset(device->hidden->waveBuf, 0, sizeof(ndspWaveBuf) * NUM_BUFFERS); - - const int sample_frame_size = SDL_AUDIO_FRAMESIZE(device->spec); - for (unsigned i = 0; i < NUM_BUFFERS; i++) { - device->hidden->waveBuf[i].data_vaddr = data_vaddr; - device->hidden->waveBuf[i].nsamples = device->buffer_size / sample_frame_size; - data_vaddr += device->buffer_size; - } - - // Setup callback - audio_device = device; - ndspSetCallback(AudioFrameFinished, device); - dspHook(&dsp_hook, N3DSAUD_DspHook); - - return true; -} - -static bool N3DSAUDIO_PlayDevice(SDL_AudioDevice *device, const Uint8 *buffer, int buflen) -{ - contextLock(device); - - const size_t nextbuf = device->hidden->nextbuf; - - if (device->hidden->isCancelled || - device->hidden->waveBuf[nextbuf].status != NDSP_WBUF_FREE) { - contextUnlock(device); - return true; // !!! FIXME: is this a fatal error? If so, this should return false. - } - - device->hidden->nextbuf = (nextbuf + 1) % NUM_BUFFERS; - - contextUnlock(device); - - SDL_memcpy((void *)device->hidden->waveBuf[nextbuf].data_vaddr, buffer, buflen); - DSP_FlushDataCache(device->hidden->waveBuf[nextbuf].data_vaddr, buflen); - - ndspChnWaveBufAdd(0, &device->hidden->waveBuf[nextbuf]); - - return true; -} - -static bool N3DSAUDIO_WaitDevice(SDL_AudioDevice *device) -{ - contextLock(device); - while (!device->hidden->isCancelled && !SDL_GetAtomicInt(&device->shutdown) && - device->hidden->waveBuf[device->hidden->nextbuf].status != NDSP_WBUF_FREE) { - CondVar_Wait(&device->hidden->cv, &device->hidden->lock); - } - contextUnlock(device); - return true; -} - -static Uint8 *N3DSAUDIO_GetDeviceBuf(SDL_AudioDevice *device, int *buffer_size) -{ - return device->hidden->mixbuf; -} - -static void N3DSAUDIO_CloseDevice(SDL_AudioDevice *device) -{ - if (!device->hidden) { - return; - } - - contextLock(device); - - dspUnhook(&dsp_hook); - ndspSetCallback(NULL, NULL); - - if (!device->hidden->isCancelled) { - ndspChnReset(0); - SDL_memset(device->hidden->waveBuf, 0, sizeof(ndspWaveBuf) * NUM_BUFFERS); - CondVar_Broadcast(&device->hidden->cv); - } - - contextUnlock(device); - - ndspExit(); - - if (device->hidden->waveBuf[0].data_vaddr) { - linearFree((void *)device->hidden->waveBuf[0].data_vaddr); - } - - if (device->hidden->mixbuf) { - SDL_free(device->hidden->mixbuf); - device->hidden->mixbuf = NULL; - } - - SDL_free(device->hidden); - device->hidden = NULL; -} - -static void N3DSAUDIO_ThreadInit(SDL_AudioDevice *device) -{ - s32 current_priority = 0x30; - svcGetThreadPriority(¤t_priority, CUR_THREAD_HANDLE); - current_priority--; - // 0x18 is reserved for video, 0x30 is the default for main thread - current_priority = SDL_clamp(current_priority, 0x19, 0x2F); - svcSetThreadPriority(CUR_THREAD_HANDLE, current_priority); -} - -static bool N3DSAUDIO_Init(SDL_AudioDriverImpl *impl) -{ - impl->OpenDevice = N3DSAUDIO_OpenDevice; - impl->PlayDevice = N3DSAUDIO_PlayDevice; - impl->WaitDevice = N3DSAUDIO_WaitDevice; - impl->GetDeviceBuf = N3DSAUDIO_GetDeviceBuf; - impl->CloseDevice = N3DSAUDIO_CloseDevice; - impl->ThreadInit = N3DSAUDIO_ThreadInit; - impl->OnlyHasDefaultPlaybackDevice = true; - - // Should be possible, but micInit would fail - impl->HasRecordingSupport = false; - - return true; -} - -AudioBootStrap N3DSAUDIO_bootstrap = { - N3DSAUDIO_DRIVER_NAME, - "SDL N3DS audio driver", - N3DSAUDIO_Init, - false, - false -}; - -#endif // SDL_AUDIO_DRIVER_N3DS diff --git a/contrib/SDL-3.2.8/src/audio/n3ds/SDL_n3dsaudio.h b/contrib/SDL-3.2.8/src/audio/n3ds/SDL_n3dsaudio.h deleted file mode 100644 index c9ae4f8..0000000 --- a/contrib/SDL-3.2.8/src/audio/n3ds/SDL_n3dsaudio.h +++ /dev/null @@ -1,40 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2025 Sam Lantinga - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ - -#ifndef SDL_n3dsaudio_h -#define SDL_n3dsaudio_h - -#include <3ds.h> - -#define NUM_BUFFERS 3 // -- Minimum 2! - -struct SDL_PrivateAudioData -{ - // Speaker data - Uint8 *mixbuf; - Uint32 nextbuf; - ndspWaveBuf waveBuf[NUM_BUFFERS]; - LightLock lock; - CondVar cv; - bool isCancelled; -}; - -#endif // SDL_n3dsaudio_h -- cgit v1.2.3