mirror of
https://github.com/Relintai/sdl2_frt.git
synced 2024-12-16 11:06:49 +01:00
Separated out SDL Android java code so audio, controller, and filesystem APIs can be used independently of the SDL activity, in Qt apps for example.
This commit is contained in:
Sam Lantinga
parent
4187b3d760
commit
82557750b0
37
android-project/src/org/libsdl/app/SDL.java
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37
android-project/src/org/libsdl/app/SDL.java
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@ -0,0 +1,37 @@
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package org.libsdl.app;
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import android.content.Context;
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/**
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SDL library initialization
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*/
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public class SDL {
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// This function should be called first and sets up the native code
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// so it can call into the Java classes
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public static void setupJNI() {
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SDLActivity.nativeSetupJNI();
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SDLAudioManager.nativeSetupJNI();
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SDLControllerManager.nativeSetupJNI();
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}
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// This function should be called each time the activity is started
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public static void initialize() {
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setContext(null);
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SDLActivity.initialize();
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SDLAudioManager.initialize();
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SDLControllerManager.initialize();
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}
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// This function stores the current activity (SDL or not)
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public static void setContext(Context context) {
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mContext = context;
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}
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public static Context getContext() {
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return mContext;
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}
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protected static Context mContext;
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}
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179
android-project/src/org/libsdl/app/SDLAudioManager.java
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179
android-project/src/org/libsdl/app/SDLAudioManager.java
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@ -0,0 +1,179 @@
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package org.libsdl.app;
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import android.media.*;
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import android.hardware.*;
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import android.util.Log;
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public class SDLAudioManager
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{
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protected static final String TAG = "SDLAudio";
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protected static AudioTrack mAudioTrack;
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protected static AudioRecord mAudioRecord;
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public static void initialize() {
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mAudioTrack = null;
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mAudioRecord = null;
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}
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// Audio
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/**
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* This method is called by SDL using JNI.
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*/
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public static int audioOpen(int sampleRate, boolean is16Bit, boolean isStereo, int desiredFrames) {
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int channelConfig = isStereo ? AudioFormat.CHANNEL_CONFIGURATION_STEREO : AudioFormat.CHANNEL_CONFIGURATION_MONO;
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int audioFormat = is16Bit ? AudioFormat.ENCODING_PCM_16BIT : AudioFormat.ENCODING_PCM_8BIT;
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int frameSize = (isStereo ? 2 : 1) * (is16Bit ? 2 : 1);
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Log.v(TAG, "SDL audio: wanted " + (isStereo ? "stereo" : "mono") + " " + (is16Bit ? "16-bit" : "8-bit") + " " + (sampleRate / 1000f) + "kHz, " + desiredFrames + " frames buffer");
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// Let the user pick a larger buffer if they really want -- but ye
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// gods they probably shouldn't, the minimums are horrifyingly high
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// latency already
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desiredFrames = Math.max(desiredFrames, (AudioTrack.getMinBufferSize(sampleRate, channelConfig, audioFormat) + frameSize - 1) / frameSize);
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if (mAudioTrack == null) {
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mAudioTrack = new AudioTrack(AudioManager.STREAM_MUSIC, sampleRate,
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channelConfig, audioFormat, desiredFrames * frameSize, AudioTrack.MODE_STREAM);
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// Instantiating AudioTrack can "succeed" without an exception and the track may still be invalid
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// Ref: https://android.googlesource.com/platform/frameworks/base/+/refs/heads/master/media/java/android/media/AudioTrack.java
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// Ref: http://developer.android.com/reference/android/media/AudioTrack.html#getState()
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if (mAudioTrack.getState() != AudioTrack.STATE_INITIALIZED) {
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Log.e(TAG, "Failed during initialization of Audio Track");
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mAudioTrack = null;
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return -1;
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}
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mAudioTrack.play();
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}
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Log.v(TAG, "SDL audio: got " + ((mAudioTrack.getChannelCount() >= 2) ? "stereo" : "mono") + " " + ((mAudioTrack.getAudioFormat() == AudioFormat.ENCODING_PCM_16BIT) ? "16-bit" : "8-bit") + " " + (mAudioTrack.getSampleRate() / 1000f) + "kHz, " + desiredFrames + " frames buffer");
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return 0;
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}
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/**
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* This method is called by SDL using JNI.
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*/
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public static void audioWriteShortBuffer(short[] buffer) {
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if (mAudioTrack == null) {
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Log.e(TAG, "Attempted to make audio call with uninitialized audio!");
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return;
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}
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for (int i = 0; i < buffer.length; ) {
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int result = mAudioTrack.write(buffer, i, buffer.length - i);
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if (result > 0) {
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i += result;
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} else if (result == 0) {
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try {
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Thread.sleep(1);
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} catch(InterruptedException e) {
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// Nom nom
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}
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} else {
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Log.w(TAG, "SDL audio: error return from write(short)");
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return;
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}
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}
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}
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/**
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* This method is called by SDL using JNI.
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*/
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public static void audioWriteByteBuffer(byte[] buffer) {
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if (mAudioTrack == null) {
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Log.e(TAG, "Attempted to make audio call with uninitialized audio!");
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return;
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}
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for (int i = 0; i < buffer.length; ) {
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int result = mAudioTrack.write(buffer, i, buffer.length - i);
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if (result > 0) {
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i += result;
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} else if (result == 0) {
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try {
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Thread.sleep(1);
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} catch(InterruptedException e) {
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// Nom nom
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}
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} else {
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Log.w(TAG, "SDL audio: error return from write(byte)");
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return;
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}
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}
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}
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/**
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* This method is called by SDL using JNI.
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*/
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public static int captureOpen(int sampleRate, boolean is16Bit, boolean isStereo, int desiredFrames) {
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int channelConfig = isStereo ? AudioFormat.CHANNEL_CONFIGURATION_STEREO : AudioFormat.CHANNEL_CONFIGURATION_MONO;
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int audioFormat = is16Bit ? AudioFormat.ENCODING_PCM_16BIT : AudioFormat.ENCODING_PCM_8BIT;
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int frameSize = (isStereo ? 2 : 1) * (is16Bit ? 2 : 1);
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Log.v(TAG, "SDL capture: wanted " + (isStereo ? "stereo" : "mono") + " " + (is16Bit ? "16-bit" : "8-bit") + " " + (sampleRate / 1000f) + "kHz, " + desiredFrames + " frames buffer");
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// Let the user pick a larger buffer if they really want -- but ye
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// gods they probably shouldn't, the minimums are horrifyingly high
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// latency already
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desiredFrames = Math.max(desiredFrames, (AudioRecord.getMinBufferSize(sampleRate, channelConfig, audioFormat) + frameSize - 1) / frameSize);
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if (mAudioRecord == null) {
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mAudioRecord = new AudioRecord(MediaRecorder.AudioSource.DEFAULT, sampleRate,
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channelConfig, audioFormat, desiredFrames * frameSize);
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// see notes about AudioTrack state in audioOpen(), above. Probably also applies here.
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if (mAudioRecord.getState() != AudioRecord.STATE_INITIALIZED) {
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Log.e(TAG, "Failed during initialization of AudioRecord");
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mAudioRecord.release();
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mAudioRecord = null;
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return -1;
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}
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mAudioRecord.startRecording();
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}
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Log.v(TAG, "SDL capture: got " + ((mAudioRecord.getChannelCount() >= 2) ? "stereo" : "mono") + " " + ((mAudioRecord.getAudioFormat() == AudioFormat.ENCODING_PCM_16BIT) ? "16-bit" : "8-bit") + " " + (mAudioRecord.getSampleRate() / 1000f) + "kHz, " + desiredFrames + " frames buffer");
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return 0;
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}
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/** This method is called by SDL using JNI. */
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public static int captureReadShortBuffer(short[] buffer, boolean blocking) {
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// !!! FIXME: this is available in API Level 23. Until then, we always block. :(
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//return mAudioRecord.read(buffer, 0, buffer.length, blocking ? AudioRecord.READ_BLOCKING : AudioRecord.READ_NON_BLOCKING);
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return mAudioRecord.read(buffer, 0, buffer.length);
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}
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/** This method is called by SDL using JNI. */
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public static int captureReadByteBuffer(byte[] buffer, boolean blocking) {
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// !!! FIXME: this is available in API Level 23. Until then, we always block. :(
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//return mAudioRecord.read(buffer, 0, buffer.length, blocking ? AudioRecord.READ_BLOCKING : AudioRecord.READ_NON_BLOCKING);
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return mAudioRecord.read(buffer, 0, buffer.length);
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}
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/** This method is called by SDL using JNI. */
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public static void audioClose() {
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if (mAudioTrack != null) {
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mAudioTrack.stop();
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mAudioTrack.release();
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mAudioTrack = null;
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}
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}
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/** This method is called by SDL using JNI. */
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public static void captureClose() {
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if (mAudioRecord != null) {
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mAudioRecord.stop();
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mAudioRecord.release();
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mAudioRecord = null;
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}
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}
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public static native int nativeSetupJNI();
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}
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427
android-project/src/org/libsdl/app/SDLControllerManager.java
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427
android-project/src/org/libsdl/app/SDLControllerManager.java
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package org.libsdl.app;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.List;
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import android.app.*;
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import android.content.Context;
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import android.hardware.*;
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import android.os.*;
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import android.view.*;
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import android.util.Log;
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public class SDLControllerManager
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{
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public static native int nativeSetupJNI();
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public static native int nativeAddJoystick(int device_id, String name, String desc,
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int is_accelerometer, int nbuttons,
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int naxes, int nhats, int nballs);
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public static native int nativeRemoveJoystick(int device_id);
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public static native int nativeAddHaptic(int device_id, String name);
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public static native int nativeRemoveHaptic(int device_id);
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public static native int onNativePadDown(int device_id, int keycode);
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public static native int onNativePadUp(int device_id, int keycode);
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public static native void onNativeJoy(int device_id, int axis,
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float value);
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public static native void onNativeHat(int device_id, int hat_id,
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int x, int y);
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protected static SDLJoystickHandler mJoystickHandler;
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protected static SDLHapticHandler mHapticHandler;
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private static final String TAG = "SDLControllerManager";
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public static void initialize() {
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mJoystickHandler = null;
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mHapticHandler = null;
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SDLControllerManager.setup();
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}
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public static void setup() {
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if (Build.VERSION.SDK_INT >= 16) {
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mJoystickHandler = new SDLJoystickHandler_API16();
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} else if (Build.VERSION.SDK_INT >= 12) {
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mJoystickHandler = new SDLJoystickHandler_API12();
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} else {
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mJoystickHandler = new SDLJoystickHandler();
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}
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mHapticHandler = new SDLHapticHandler();
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}
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// Joystick glue code, just a series of stubs that redirect to the SDLJoystickHandler instance
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public static boolean handleJoystickMotionEvent(MotionEvent event) {
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return mJoystickHandler.handleMotionEvent(event);
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}
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/**
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* This method is called by SDL using JNI.
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*/
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public static void pollInputDevices() {
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mJoystickHandler.pollInputDevices();
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}
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/**
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* This method is called by SDL using JNI.
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*/
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public static void pollHapticDevices() {
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mHapticHandler.pollHapticDevices();
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}
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/**
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* This method is called by SDL using JNI.
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*/
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public static void hapticRun(int device_id, int length) {
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mHapticHandler.run(device_id, length);
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}
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// Check if a given device is considered a possible SDL joystick
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public static boolean isDeviceSDLJoystick(int deviceId) {
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InputDevice device = InputDevice.getDevice(deviceId);
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// We cannot use InputDevice.isVirtual before API 16, so let's accept
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// only nonnegative device ids (VIRTUAL_KEYBOARD equals -1)
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if ((device == null) || (deviceId < 0)) {
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return false;
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}
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int sources = device.getSources();
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if ((sources & InputDevice.SOURCE_CLASS_JOYSTICK) == InputDevice.SOURCE_CLASS_JOYSTICK) {
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Log.v(TAG, "Input device " + device.getName() + " is a joystick.");
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}
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if ((sources & InputDevice.SOURCE_DPAD) == InputDevice.SOURCE_DPAD) {
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Log.v(TAG, "Input device " + device.getName() + " is a dpad.");
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}
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if ((sources & InputDevice.SOURCE_GAMEPAD) == InputDevice.SOURCE_GAMEPAD) {
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Log.v(TAG, "Input device " + device.getName() + " is a gamepad.");
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}
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return (((sources & InputDevice.SOURCE_CLASS_JOYSTICK) == InputDevice.SOURCE_CLASS_JOYSTICK) ||
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((sources & InputDevice.SOURCE_DPAD) == InputDevice.SOURCE_DPAD) ||
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((sources & InputDevice.SOURCE_GAMEPAD) == InputDevice.SOURCE_GAMEPAD)
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);
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}
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}
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/* A null joystick handler for API level < 12 devices (the accelerometer is handled separately) */
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class SDLJoystickHandler {
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/**
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* Handles given MotionEvent.
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* @param event the event to be handled.
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* @return if given event was processed.
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*/
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public boolean handleMotionEvent(MotionEvent event) {
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return false;
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}
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/**
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* Handles adding and removing of input devices.
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*/
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public void pollInputDevices() {
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}
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}
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/* Actual joystick functionality available for API >= 12 devices */
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class SDLJoystickHandler_API12 extends SDLJoystickHandler {
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static class SDLJoystick {
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public int device_id;
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public String name;
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public String desc;
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public ArrayList<InputDevice.MotionRange> axes;
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public ArrayList<InputDevice.MotionRange> hats;
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}
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static class RangeComparator implements Comparator<InputDevice.MotionRange> {
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@Override
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public int compare(InputDevice.MotionRange arg0, InputDevice.MotionRange arg1) {
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return arg0.getAxis() - arg1.getAxis();
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}
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}
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private ArrayList<SDLJoystick> mJoysticks;
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public SDLJoystickHandler_API12() {
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mJoysticks = new ArrayList<SDLJoystick>();
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}
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@Override
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public void pollInputDevices() {
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int[] deviceIds = InputDevice.getDeviceIds();
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// It helps processing the device ids in reverse order
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// For example, in the case of the XBox 360 wireless dongle,
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// so the first controller seen by SDL matches what the receiver
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// considers to be the first controller
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for(int i=deviceIds.length-1; i>-1; i--) {
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SDLJoystick joystick = getJoystick(deviceIds[i]);
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if (joystick == null) {
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joystick = new SDLJoystick();
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InputDevice joystickDevice = InputDevice.getDevice(deviceIds[i]);
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if (SDLControllerManager.isDeviceSDLJoystick(deviceIds[i])) {
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joystick.device_id = deviceIds[i];
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joystick.name = joystickDevice.getName();
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joystick.desc = getJoystickDescriptor(joystickDevice);
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joystick.axes = new ArrayList<InputDevice.MotionRange>();
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joystick.hats = new ArrayList<InputDevice.MotionRange>();
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List<InputDevice.MotionRange> ranges = joystickDevice.getMotionRanges();
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Collections.sort(ranges, new RangeComparator());
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for (InputDevice.MotionRange range : ranges ) {
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if ((range.getSource() & InputDevice.SOURCE_CLASS_JOYSTICK) != 0) {
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if (range.getAxis() == MotionEvent.AXIS_HAT_X ||
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range.getAxis() == MotionEvent.AXIS_HAT_Y) {
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joystick.hats.add(range);
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}
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else {
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joystick.axes.add(range);
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}
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}
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}
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mJoysticks.add(joystick);
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SDLControllerManager.nativeAddJoystick(joystick.device_id, joystick.name, joystick.desc, 0, -1,
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joystick.axes.size(), joystick.hats.size()/2, 0);
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}
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}
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}
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/* Check removed devices */
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ArrayList<Integer> removedDevices = new ArrayList<Integer>();
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for(int i=0; i < mJoysticks.size(); i++) {
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int device_id = mJoysticks.get(i).device_id;
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int j;
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for (j=0; j < deviceIds.length; j++) {
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if (device_id == deviceIds[j]) break;
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}
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if (j == deviceIds.length) {
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removedDevices.add(Integer.valueOf(device_id));
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}
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}
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for(int i=0; i < removedDevices.size(); i++) {
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int device_id = removedDevices.get(i).intValue();
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SDLControllerManager.nativeRemoveJoystick(device_id);
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for (int j=0; j < mJoysticks.size(); j++) {
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if (mJoysticks.get(j).device_id == device_id) {
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mJoysticks.remove(j);
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break;
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}
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}
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}
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}
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protected SDLJoystick getJoystick(int device_id) {
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for(int i=0; i < mJoysticks.size(); i++) {
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if (mJoysticks.get(i).device_id == device_id) {
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return mJoysticks.get(i);
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}
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}
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return null;
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}
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@Override
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public boolean handleMotionEvent(MotionEvent event) {
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if ((event.getSource() & InputDevice.SOURCE_JOYSTICK) != 0) {
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int actionPointerIndex = event.getActionIndex();
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int action = event.getActionMasked();
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switch(action) {
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case MotionEvent.ACTION_MOVE:
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SDLJoystick joystick = getJoystick(event.getDeviceId());
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if ( joystick != null ) {
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for (int i = 0; i < joystick.axes.size(); i++) {
|
||||
InputDevice.MotionRange range = joystick.axes.get(i);
|
||||
/* Normalize the value to -1...1 */
|
||||
float value = ( event.getAxisValue( range.getAxis(), actionPointerIndex) - range.getMin() ) / range.getRange() * 2.0f - 1.0f;
|
||||
SDLControllerManager.onNativeJoy(joystick.device_id, i, value );
|
||||
}
|
||||
for (int i = 0; i < joystick.hats.size(); i+=2) {
|
||||
int hatX = Math.round(event.getAxisValue( joystick.hats.get(i).getAxis(), actionPointerIndex ) );
|
||||
int hatY = Math.round(event.getAxisValue( joystick.hats.get(i+1).getAxis(), actionPointerIndex ) );
|
||||
SDLControllerManager.onNativeHat(joystick.device_id, i/2, hatX, hatY );
|
||||
}
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
public String getJoystickDescriptor(InputDevice joystickDevice) {
|
||||
return joystickDevice.getName();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
class SDLJoystickHandler_API16 extends SDLJoystickHandler_API12 {
|
||||
|
||||
@Override
|
||||
public String getJoystickDescriptor(InputDevice joystickDevice) {
|
||||
String desc = joystickDevice.getDescriptor();
|
||||
|
||||
if (desc != null && desc != "") {
|
||||
return desc;
|
||||
}
|
||||
|
||||
return super.getJoystickDescriptor(joystickDevice);
|
||||
}
|
||||
}
|
||||
|
||||
class SDLHapticHandler {
|
||||
|
||||
class SDLHaptic {
|
||||
public int device_id;
|
||||
public String name;
|
||||
public Vibrator vib;
|
||||
}
|
||||
|
||||
private ArrayList<SDLHaptic> mHaptics;
|
||||
|
||||
public SDLHapticHandler() {
|
||||
mHaptics = new ArrayList<SDLHaptic>();
|
||||
}
|
||||
|
||||
public void run(int device_id, int length) {
|
||||
SDLHaptic haptic = getHaptic(device_id);
|
||||
if (haptic != null) {
|
||||
haptic.vib.vibrate (length);
|
||||
}
|
||||
}
|
||||
|
||||
public void pollHapticDevices() {
|
||||
|
||||
final int deviceId_VIBRATOR_SERVICE = 999999;
|
||||
boolean hasVibrator = false;
|
||||
|
||||
int[] deviceIds = InputDevice.getDeviceIds();
|
||||
// It helps processing the device ids in reverse order
|
||||
// For example, in the case of the XBox 360 wireless dongle,
|
||||
// so the first controller seen by SDL matches what the receiver
|
||||
// considers to be the first controller
|
||||
|
||||
for(int i=deviceIds.length-1; i>-1; i--) {
|
||||
SDLHaptic haptic = getHaptic(deviceIds[i]);
|
||||
if (haptic == null) {
|
||||
InputDevice device = InputDevice.getDevice(deviceIds[i]);
|
||||
Vibrator vib = device.getVibrator();
|
||||
if (vib.hasVibrator()) {
|
||||
haptic = new SDLHaptic();
|
||||
haptic.device_id = deviceIds[i];
|
||||
haptic.name = device.getName();
|
||||
haptic.vib = vib;
|
||||
mHaptics.add(haptic);
|
||||
SDLControllerManager.nativeAddHaptic(haptic.device_id, haptic.name);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Check VIBRATOR_SERVICE */
|
||||
{
|
||||
Vibrator vib = (Vibrator) SDL.getContext().getSystemService(Context.VIBRATOR_SERVICE);
|
||||
if (vib != null && vib.hasVibrator()) {
|
||||
hasVibrator = true;
|
||||
SDLHaptic haptic = getHaptic(deviceId_VIBRATOR_SERVICE);
|
||||
if (haptic == null) {
|
||||
haptic = new SDLHaptic();
|
||||
haptic.device_id = deviceId_VIBRATOR_SERVICE;
|
||||
haptic.name = "VIBRATOR_SERVICE";
|
||||
haptic.vib = vib;
|
||||
mHaptics.add(haptic);
|
||||
SDLControllerManager.nativeAddHaptic(haptic.device_id, haptic.name);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Check removed devices */
|
||||
ArrayList<Integer> removedDevices = new ArrayList<Integer>();
|
||||
for(int i=0; i < mHaptics.size(); i++) {
|
||||
int device_id = mHaptics.get(i).device_id;
|
||||
int j;
|
||||
for (j=0; j < deviceIds.length; j++) {
|
||||
if (device_id == deviceIds[j]) break;
|
||||
}
|
||||
|
||||
if (device_id == deviceId_VIBRATOR_SERVICE && hasVibrator) {
|
||||
// don't remove the vibrator if it is still present
|
||||
} else if (j == deviceIds.length) {
|
||||
removedDevices.add(device_id);
|
||||
}
|
||||
}
|
||||
|
||||
for(int i=0; i < removedDevices.size(); i++) {
|
||||
int device_id = removedDevices.get(i);
|
||||
SDLControllerManager.nativeRemoveHaptic(device_id);
|
||||
for (int j=0; j < mHaptics.size(); j++) {
|
||||
if (mHaptics.get(j).device_id == device_id) {
|
||||
mHaptics.remove(j);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
protected SDLHaptic getHaptic(int device_id) {
|
||||
for(int i=0; i < mHaptics.size(); i++) {
|
||||
if (mHaptics.get(i).device_id == device_id) {
|
||||
return mHaptics.get(i);
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
class SDLGenericMotionListener_API12 implements View.OnGenericMotionListener {
|
||||
// Generic Motion (mouse hover, joystick...) events go here
|
||||
@Override
|
||||
public boolean onGenericMotion(View v, MotionEvent event) {
|
||||
float x, y;
|
||||
int action;
|
||||
|
||||
switch ( event.getSource() ) {
|
||||
case InputDevice.SOURCE_JOYSTICK:
|
||||
case InputDevice.SOURCE_GAMEPAD:
|
||||
case InputDevice.SOURCE_DPAD:
|
||||
return SDLControllerManager.handleJoystickMotionEvent(event);
|
||||
|
||||
case InputDevice.SOURCE_MOUSE:
|
||||
if (!SDLActivity.mSeparateMouseAndTouch) {
|
||||
break;
|
||||
}
|
||||
action = event.getActionMasked();
|
||||
switch (action) {
|
||||
case MotionEvent.ACTION_SCROLL:
|
||||
x = event.getAxisValue(MotionEvent.AXIS_HSCROLL, 0);
|
||||
y = event.getAxisValue(MotionEvent.AXIS_VSCROLL, 0);
|
||||
SDLActivity.onNativeMouse(0, action, x, y);
|
||||
return true;
|
||||
|
||||
case MotionEvent.ACTION_HOVER_MOVE:
|
||||
x = event.getX(0);
|
||||
y = event.getY(0);
|
||||
|
||||
SDLActivity.onNativeMouse(0, action, x, y);
|
||||
return true;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
// Event was not managed
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user