early-access version 1611

2021-04-18 05:35:25 +02:00
parent 16f54e367d
commit 18db69f039
1409 changed files with 545335 additions and 10 deletions
--- a/externals/SDL/src/audio/psp/SDL_pspaudio.c
+++ b/externals/SDL/src/audio/psp/SDL_pspaudio.c
@@ -0,0 +1,181 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2020 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
+  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"
+
+#if SDL_AUDIO_DRIVER_PSP
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <malloc.h>
+
+#include "SDL_audio.h"
+#include "SDL_error.h"
+#include "SDL_timer.h"
+#include "../SDL_audio_c.h"
+#include "../SDL_audiodev_c.h"
+#include "../SDL_sysaudio.h"
+#include "SDL_pspaudio.h"
+
+#include <pspaudio.h>
+#include <pspthreadman.h>
+
+/* The tag name used by PSP audio */
+#define PSPAUDIO_DRIVER_NAME         "psp"
+
+static int
+PSPAUDIO_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
+{
+    int format, mixlen, i;
+    this->hidden = (struct SDL_PrivateAudioData *)
+        SDL_malloc(sizeof(*this->hidden));
+    if (this->hidden == NULL) {
+        return SDL_OutOfMemory();
+    }
+    SDL_zerop(this->hidden);
+    switch (this->spec.format & 0xff) {
+        case 8:
+        case 16:
+            this->spec.format = AUDIO_S16LSB;
+            break;
+        default:
+            return SDL_SetError("Unsupported audio format");
+    }
+
+    /* The sample count must be a multiple of 64. */
+    this->spec.samples = PSP_AUDIO_SAMPLE_ALIGN(this->spec.samples);
+    this->spec.freq = 44100;
+
+    /* Update the fragment size as size in bytes. */
+    SDL_CalculateAudioSpec(&this->spec);
+
+    /* Allocate the mixing buffer.  Its size and starting address must
+       be a multiple of 64 bytes.  Our sample count is already a multiple of
+       64, so spec->size should be a multiple of 64 as well. */
+    mixlen = this->spec.size * NUM_BUFFERS;
+    this->hidden->rawbuf = (Uint8 *) memalign(64, mixlen);
+    if (this->hidden->rawbuf == NULL) {
+        return SDL_SetError("Couldn't allocate mixing buffer");
+    }
+
+    /* Setup the hardware channel. */
+    if (this->spec.channels == 1) {
+        format = PSP_AUDIO_FORMAT_MONO;
+    } else {
+        this->spec.channels = 2;
+        format = PSP_AUDIO_FORMAT_STEREO;
+    }
+    this->hidden->channel = sceAudioChReserve(PSP_AUDIO_NEXT_CHANNEL, this->spec.samples, format);
+    if (this->hidden->channel < 0) {
+        free(this->hidden->rawbuf);
+        this->hidden->rawbuf = NULL;
+        return SDL_SetError("Couldn't reserve hardware channel");
+    }
+
+    memset(this->hidden->rawbuf, 0, mixlen);
+    for (i = 0; i < NUM_BUFFERS; i++) {
+        this->hidden->mixbufs[i] = &this->hidden->rawbuf[i * this->spec.size];
+    }
+
+    this->hidden->next_buffer = 0;
+    return 0;
+}
+
+static void PSPAUDIO_PlayDevice(_THIS)
+{
+    Uint8 *mixbuf = this->hidden->mixbufs[this->hidden->next_buffer];
+
+    if (this->spec.channels == 1) {
+        sceAudioOutputBlocking(this->hidden->channel, PSP_AUDIO_VOLUME_MAX, mixbuf);
+    } else {
+        sceAudioOutputPannedBlocking(this->hidden->channel, PSP_AUDIO_VOLUME_MAX, PSP_AUDIO_VOLUME_MAX, mixbuf);
+    }
+
+    this->hidden->next_buffer = (this->hidden->next_buffer + 1) % NUM_BUFFERS;
+}
+
+/* This function waits until it is possible to write a full sound buffer */
+static void PSPAUDIO_WaitDevice(_THIS)
+{
+    /* Because we block when sending audio, there's no need for this function to do anything. */
+}
+static Uint8 *PSPAUDIO_GetDeviceBuf(_THIS)
+{
+    return this->hidden->mixbufs[this->hidden->next_buffer];
+}
+
+static void PSPAUDIO_CloseDevice(_THIS)
+{
+    if (this->hidden->channel >= 0) {
+        sceAudioChRelease(this->hidden->channel);
+    }
+    free(this->hidden->rawbuf);  /* this uses memalign(), not SDL_malloc(). */
+    SDL_free(this->hidden);
+}
+
+static void PSPAUDIO_ThreadInit(_THIS)
+{
+    /* Increase the priority of this audio thread by 1 to put it
+       ahead of other SDL threads. */
+    SceUID thid;
+    SceKernelThreadInfo status;
+    thid = sceKernelGetThreadId();
+    status.size = sizeof(SceKernelThreadInfo);
+    if (sceKernelReferThreadStatus(thid, &status) == 0) {
+        sceKernelChangeThreadPriority(thid, status.currentPriority - 1);
+    }
+}
+
+
+static int
+PSPAUDIO_Init(SDL_AudioDriverImpl * impl)
+{
+    /* Set the function pointers */
+    impl->OpenDevice = PSPAUDIO_OpenDevice;
+    impl->PlayDevice = PSPAUDIO_PlayDevice;
+    impl->WaitDevice = PSPAUDIO_WaitDevice;
+    impl->GetDeviceBuf = PSPAUDIO_GetDeviceBuf;
+    impl->CloseDevice = PSPAUDIO_CloseDevice;
+    impl->ThreadInit = PSPAUDIO_ThreadInit;
+
+    /* PSP audio device */
+    impl->OnlyHasDefaultOutputDevice = 1;
+/*
+    impl->HasCaptureSupport = 1;
+
+    impl->OnlyHasDefaultCaptureDevice = 1;
+*/
+    /*
+    impl->DetectDevices = DSOUND_DetectDevices;
+    impl->Deinitialize = DSOUND_Deinitialize;
+    */
+    return 1;   /* this audio target is available. */
+}
+
+AudioBootStrap PSPAUDIO_bootstrap = {
+    "psp", "PSP audio driver", PSPAUDIO_Init, 0
+};
+
+ /* SDL_AUDI */
+
+#endif /* SDL_AUDIO_DRIVER_PSP */
+
+/* vi: set ts=4 sw=4 expandtab: */