Merge branch 'master' of https://gitlab.iut-clermont.uca.fr/maribemont/projet-tut

Pontu/entryPoints/testAudio.c

@@ -0,0 +1,7 @@
+#include "tests/testAudio.h"
+
+int main(void) {
+	testAudio();
+	return 0;
+}
+

Pontu/entryPoints/testAudio.h

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+#include "engine/Audio.h"
+#include <SDL2/SDL_mixer.h>
+#include <SDL2/SDL.h>
+#include <stdio.h>
+#include <errno.h>
+
+void testAudio(void);
+

Pontu/include/engine/Audio.h

@@ -0,0 +1,24 @@
+/**
+ * \file Audio.h
+ * \brief Audio management
+ * \author Théotime Maillarbaux
+ * \date 13/12/2021
+ */
+
+#ifndef AUDIO_H
+#define AUDIO_H
+
+#include <SDL2/SDL_mixer.h>
+#include <SDL2/SDL_thread>
+
+/**
+ * \brief Fades out a music and plays another one.
+ * \param[in]	music	A pointer to the Mix_Music struct used to play the current track
+ * \param[in]	path	The path to the new track to be played
+ * \warning The program won't know if it failed.
+ *
+ * This function creates a thread that will detach on its own completion.
+ */
+void switchMusic(Mix_Music* music, char[] path);
+
+#endif // AUDIO_H

Pontu/src/engine/Audio.c

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+#include "engine/Audio.h"
+
+struct params {
+	Mix_Music* music; // AA pointer to the Mix_Music struct used for the current track
+	char[] path; // The pparh to the new track to be played
+};
+
+static int fadeOut(void* args) {
+	if (args->music != NULL) {
+		Mix_FadeOutMusic(1000);
+		Mix_FreeMusic(args->music);
+	}
+	args->music = Mix_LoadMUS(args->path);
+	return Mix_PlayMusic(args->music,-1);
+}		
+
+void switchMusic(Mix_Music* music, char[] path) {
+	struct params args = {
+		.music = music,
+		.path = path;
+	};
+
+	SDL_Thread *thread;
+
+	thread = SDL_CreateThread(fadeOut, "Fade out", args);
+	SDL_DetachThread(thread); // Won't wait until thread is done to continue
+}
+

Pontu/test/testAudio.c

@@ -0,0 +1,28 @@
+#include "test/testAudio.h"
+
+void testAudio(void) {
+	char path1[] = "../rsrc/music/testMus.mp3";
+	char path2[] = "../rsrc/music/base_tardi.mp3";
+	Mix_Music* music;
+
+	if (SDL_Init(SDL_INIT_AUDIO) != 0) {
+		perror("SDL");
+		exit(errno);
+	}
+
+	if (Mix_OpenAudio(44100,MIX_DEFAULT_FORMAT,MIX_DEFAULT_CHANNEL,1024) != 0) {
+		SDL_Quit();
+		perror("SDL Mixer");
+		exit(errno);
+	}
+
+	switchMusic(music,path1);
+	SDL_Delay(5000);
+	switchMusic(music,path2);
+	SDL_Delay(5000);
+
+	SDL_FreeMusic(music);
+	SDL_Quit();
+}
+
+