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/disk/SDL_diskaudio.c | 171 ----------------------- 1 file changed, 171 deletions(-) delete mode 100644 contrib/SDL-3.2.8/src/audio/disk/SDL_diskaudio.c (limited to 'contrib/SDL-3.2.8/src/audio/disk/SDL_diskaudio.c') diff --git a/contrib/SDL-3.2.8/src/audio/disk/SDL_diskaudio.c b/contrib/SDL-3.2.8/src/audio/disk/SDL_diskaudio.c deleted file mode 100644 index 9e05478..0000000 --- a/contrib/SDL-3.2.8/src/audio/disk/SDL_diskaudio.c +++ /dev/null @@ -1,171 +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_DISK - -// Output raw audio data to a file. - -#include "../SDL_sysaudio.h" -#include "SDL_diskaudio.h" - -#define DISKDEFAULT_OUTFILE "sdlaudio.raw" -#define DISKDEFAULT_INFILE "sdlaudio-in.raw" - -static bool DISKAUDIO_WaitDevice(SDL_AudioDevice *device) -{ - SDL_Delay(device->hidden->io_delay); - return true; -} - -static bool DISKAUDIO_PlayDevice(SDL_AudioDevice *device, const Uint8 *buffer, int buffer_size) -{ - const int written = (int)SDL_WriteIO(device->hidden->io, buffer, (size_t)buffer_size); - if (written != buffer_size) { // If we couldn't write, assume fatal error for now - return false; - } -#ifdef DEBUG_AUDIO - SDL_Log("DISKAUDIO: Wrote %d bytes of audio data", (int) written); -#endif - return true; -} - -static Uint8 *DISKAUDIO_GetDeviceBuf(SDL_AudioDevice *device, int *buffer_size) -{ - return device->hidden->mixbuf; -} - -static int DISKAUDIO_RecordDevice(SDL_AudioDevice *device, void *buffer, int buflen) -{ - struct SDL_PrivateAudioData *h = device->hidden; - const int origbuflen = buflen; - - if (h->io) { - const int br = (int)SDL_ReadIO(h->io, buffer, (size_t)buflen); - buflen -= br; - buffer = ((Uint8 *)buffer) + br; - if (buflen > 0) { // EOF (or error, but whatever). - SDL_CloseIO(h->io); - h->io = NULL; - } - } - - // if we ran out of file, just write silence. - SDL_memset(buffer, device->silence_value, buflen); - - return origbuflen; -} - -static void DISKAUDIO_FlushRecording(SDL_AudioDevice *device) -{ - // no op...we don't advance the file pointer or anything. -} - -static void DISKAUDIO_CloseDevice(SDL_AudioDevice *device) -{ - if (device->hidden) { - if (device->hidden->io) { - SDL_CloseIO(device->hidden->io); - } - SDL_free(device->hidden->mixbuf); - SDL_free(device->hidden); - device->hidden = NULL; - } -} - -static const char *get_filename(const bool recording) -{ - const char *devname = SDL_GetHint(recording ? SDL_HINT_AUDIO_DISK_INPUT_FILE : SDL_HINT_AUDIO_DISK_OUTPUT_FILE); - if (!devname) { - devname = recording ? DISKDEFAULT_INFILE : DISKDEFAULT_OUTFILE; - } - return devname; -} - -static bool DISKAUDIO_OpenDevice(SDL_AudioDevice *device) -{ - bool recording = device->recording; - const char *fname = get_filename(recording); - - device->hidden = (struct SDL_PrivateAudioData *) SDL_calloc(1, sizeof(*device->hidden)); - if (!device->hidden) { - return false; - } - - device->hidden->io_delay = ((device->sample_frames * 1000) / device->spec.freq); - - const char *hint = SDL_GetHint(SDL_HINT_AUDIO_DISK_TIMESCALE); - if (hint) { - double scale = SDL_atof(hint); - if (scale >= 0.0) { - device->hidden->io_delay = (Uint32)SDL_round(device->hidden->io_delay * scale); - } - } - - // Open the "audio device" - device->hidden->io = SDL_IOFromFile(fname, recording ? "rb" : "wb"); - if (!device->hidden->io) { - return false; - } - - // Allocate mixing buffer - if (!recording) { - 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); - } - - SDL_LogCritical(SDL_LOG_CATEGORY_AUDIO, "You are using the SDL disk i/o audio driver!"); - SDL_LogCritical(SDL_LOG_CATEGORY_AUDIO, " %s file [%s].", recording ? "Reading from" : "Writing to", fname); - - return true; // We're ready to rock and roll. :-) -} - -static void DISKAUDIO_DetectDevices(SDL_AudioDevice **default_playback, SDL_AudioDevice **default_recording) -{ - *default_playback = SDL_AddAudioDevice(false, DEFAULT_PLAYBACK_DEVNAME, NULL, (void *)0x1); - *default_recording = SDL_AddAudioDevice(true, DEFAULT_RECORDING_DEVNAME, NULL, (void *)0x2); -} - -static bool DISKAUDIO_Init(SDL_AudioDriverImpl *impl) -{ - impl->OpenDevice = DISKAUDIO_OpenDevice; - impl->WaitDevice = DISKAUDIO_WaitDevice; - impl->WaitRecordingDevice = DISKAUDIO_WaitDevice; - impl->PlayDevice = DISKAUDIO_PlayDevice; - impl->GetDeviceBuf = DISKAUDIO_GetDeviceBuf; - impl->RecordDevice = DISKAUDIO_RecordDevice; - impl->FlushRecording = DISKAUDIO_FlushRecording; - impl->CloseDevice = DISKAUDIO_CloseDevice; - impl->DetectDevices = DISKAUDIO_DetectDevices; - - impl->HasRecordingSupport = true; - - return true; -} - -AudioBootStrap DISKAUDIO_bootstrap = { - "disk", "direct-to-disk audio", DISKAUDIO_Init, true, false -}; - -#endif // SDL_AUDIO_DRIVER_DISK -- cgit v1.2.3