Android: CD-DA emulation support

src/android/mako.cpp

@@ -0,0 +1,53 @@
+#include <SDL.h>
+#include <android/log.h>
+#include <jni.h>
+#include "mako.h"
+
+MAKO::MAKO(NACT* parent)
+	: current_music(0)
+	, next_loop(0)
+{
+	for (int i = 1; i <= 99; i++)
+		cd_track[i] = i;
+}
+
+void MAKO::play_music(int page)
+{
+	if (current_music == page)
+		return;
+
+	JNIEnv* env = (JNIEnv*)SDL_AndroidGetJNIEnv();
+	if (env->PushLocalFrame(16) < 0) {
+		__android_log_write(ANDROID_LOG_ERROR, "system3",
+							"Failed to allocate JVM local references");
+		return;
+	}
+	jobject context = (jobject)SDL_AndroidGetActivity();
+	jmethodID mid = env->GetMethodID(env->GetObjectClass(context),
+									 "cddaStart", "(IZ)V");
+	env->CallVoidMethod(context, mid, cd_track[page] + 1, next_loop ? 0 : 1);
+	env->PopLocalFrame(NULL);
+
+	current_music = page;
+	next_loop = 0;
+}
+
+void MAKO::stop_music()
+{
+	if (!current_music)
+		return;
+
+	JNIEnv* env = (JNIEnv*)SDL_AndroidGetJNIEnv();
+	if (env->PushLocalFrame(16) < 0) {
+		__android_log_write(ANDROID_LOG_ERROR, "system3",
+							"Failed to allocate JVM local references");
+		return;
+	}
+	jobject context = (jobject)SDL_AndroidGetActivity();
+	jmethodID mid = env->GetMethodID(env->GetObjectClass(context),
+									 "cddaStop", "()V");
+	env->CallVoidMethod(context, mid);
+	env->PopLocalFrame(NULL);
+
+	current_music = 0;
+}