update SDL_mixer to SDL3_mixer 3.2.0

2026-04-02 16:52:07 +02:00
parent 05b19704f8
commit 8a5caf5c0d
1202 changed files with 366156 additions and 152445 deletions
@@ -0,0 +1,108 @@
+/*
+  SDL_mixer:  An audio mixer library based on the SDL library
+  Copyright (C) 1997-2026 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.
+*/
+
+#define SDL_MAIN_USE_CALLBACKS 1  /* use the callbacks instead of main() */
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_main.h>
+#include "SDL3_mixer/SDL_mixer.h"
+
+static bool done = false;
+static SDL_AudioSpec spec;
+
+static void SDLCALL AudioDeviceCallback(void *userdata, SDL_AudioStream *stream, int additional_amount, int total_amount)
+{
+    MIX_AudioDecoder *audiodecoder = (MIX_AudioDecoder *) userdata;
+    if (!additional_amount) {
+        return;
+    }
+
+    Uint8 buffer[1024];
+    while (additional_amount > 0) {
+        const int needed = SDL_min((int)sizeof(buffer), additional_amount);
+        const int br = MIX_DecodeAudio(audiodecoder, buffer, needed, &spec);
+        if (br <= 0) {
+            done = true;
+            break;
+        }
+
+        SDL_PutAudioStreamData(stream, buffer, br);
+        additional_amount -= br;
+    }
+}
+
+SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
+{
+    SDL_SetAppMetadata("Test SDL_mixer MIX_AudioDecoder", "1.0", "org.libsdl.testmixeraudiodecoder");
+
+    /* this doesn't have to run very much, so give up tons of CPU time between iterations. */
+    SDL_SetHint(SDL_HINT_MAIN_CALLBACK_RATE, "5");
+
+    if (argc != 2) {
+        SDL_Log("USAGE: %s <file_to_play>", argv[0]);
+        return SDL_APP_FAILURE;
+    } else if (!SDL_Init(SDL_INIT_AUDIO)) {
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
+        return SDL_APP_FAILURE;
+    } else if (!MIX_Init()) {
+        SDL_Log("Couldn't initialize SDL_mixer: %s", SDL_GetError());
+        return SDL_APP_FAILURE;
+    }
+
+    const char *audiofname = argv[1];
+
+    MIX_AudioDecoder *audiodecoder = MIX_CreateAudioDecoder(audiofname, 0);
+    if (!audiodecoder) {
+        SDL_Log("Failed to create audiodecoder for '%s': %s", audiofname, SDL_GetError());
+        return SDL_APP_FAILURE;
+    }
+
+    SDL_AudioStream *stream = SDL_OpenAudioDeviceStream(SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK, NULL, AudioDeviceCallback, audiodecoder);
+    if (!stream) {
+        SDL_Log("Failed to open audio device: %s", SDL_GetError());
+        return SDL_APP_FAILURE;
+    }
+
+    SDL_GetAudioStreamFormat(stream, &spec, NULL);
+
+    SDL_ResumeAudioStreamDevice(stream);
+
+    return SDL_APP_CONTINUE;
+}
+
+SDL_AppResult SDL_AppEvent(void *appstate, SDL_Event *event)
+{
+    if (event->type == SDL_EVENT_QUIT) {
+        return SDL_APP_SUCCESS;
+    }
+    return SDL_APP_CONTINUE;
+}
+
+SDL_AppResult SDL_AppIterate(void *appstate)
+{
+    return done ? SDL_APP_SUCCESS : SDL_APP_CONTINUE;
+}
+
+void SDL_AppQuit(void *appstate, SDL_AppResult result)
+{
+    // SDL will clean up the audio device for us.
+    MIX_Quit();    // SDL_mixer will clean up the audiodecoder.
+}
+