Android: better audio latency reporting. Introjucer: improved android icon generation.

extras/Introjucer/Source/Project Saving/jucer_ProjectExport_Android.h

@@ -108,9 +108,6 @@ public:
 
         createDirectoryOrThrow (target.getChildFile ("src/com"));
         createDirectoryOrThrow (jniFolder);
-        createDirectoryOrThrow (target.getChildFile ("res/drawable-hdpi"));
-        createDirectoryOrThrow (target.getChildFile ("res/drawable-mdpi"));
-        createDirectoryOrThrow (target.getChildFile ("res/drawable-ldpi"));
         createDirectoryOrThrow (target.getChildFile ("res/values"));
         createDirectoryOrThrow (target.getChildFile ("libs"));
         createDirectoryOrThrow (target.getChildFile ("bin"));
@@ -130,12 +127,23 @@ public:
 
         writeProjectPropertiesFile (target.getChildFile ("project.properties"));
         writeLocalPropertiesFile (target.getChildFile ("local.properties"));
+        writeStringsFile (target.getChildFile ("res/values/strings.xml"));
 
-        writeIcon (target.getChildFile ("res/drawable-hdpi/icon.png"), 72);
-        writeIcon (target.getChildFile ("res/drawable-mdpi/icon.png"), 48);
-        writeIcon (target.getChildFile ("res/drawable-ldpi/icon.png"), 36);
+        const Image bigIcon (getBigIcon());
+        const Image smallIcon (getSmallIcon());
 
-        writeStringsFile (target.getChildFile ("res/values/strings.xml"));
+        if (bigIcon.isValid() && smallIcon.isValid())
+        {
+            const int step = jmax (bigIcon.getWidth(), bigIcon.getHeight()) / 8;
+            writeIcon (target.getChildFile ("res/drawable-xhdpi/icon.png"), getBestIconForSize (step * 8, false));
+            writeIcon (target.getChildFile ("res/drawable-hdpi/icon.png"),  getBestIconForSize (step * 6, false));
+            writeIcon (target.getChildFile ("res/drawable-mdpi/icon.png"),  getBestIconForSize (step * 4, false));
+            writeIcon (target.getChildFile ("res/drawable-ldpi/icon.png"),  getBestIconForSize (step * 3, false));
+        }
+        else
+        {
+            writeIcon (target.getChildFile ("res/drawable-mdpi/icon.png"), bigIcon.isValid() ? bigIcon : smallIcon);
+        }
     }
 
 protected:
@@ -424,12 +432,12 @@ private:
         overwriteFileIfDifferentOrThrow (file, mo);
     }
 
-    void writeIcon (const File& file, int size)
+    void writeIcon (const File& file, const Image& im)
     {
-        Image im (getBestIconForSize (size, false));
-
         if (im.isValid())
         {
+            createDirectoryOrThrow (file.getParentDirectory());
+
             PNGImageFormat png;
             MemoryOutputStream mo;
 

extras/JuceDemo/Juce Demo.jucer

@@ -36,9 +36,9 @@
             bigIcon="f4hwldS">
       <CONFIGURATIONS>
         <CONFIGURATION name="Debug" isDebug="1" optimisation="1" targetName="JuceDemo"
-                       defines="JUCE_UNIT_TESTS=1"/>
+                       defines="JUCE_UNIT_TESTS=1" winWarningLevel="4" generateManifest="1"/>
         <CONFIGURATION name="Release" isDebug="0" optimisation="2" targetName="JuceDemo"
-                       defines="JUCE_UNIT_TESTS=1"/>
+                       defines="JUCE_UNIT_TESTS=1" winWarningLevel="4" generateManifest="1"/>
       </CONFIGURATIONS>
     </VS2005>
     <VS2008 targetFolder="Builds/VisualStudio2008" vstFolder="c:\SDKs\vstsdk2.4"
@@ -46,18 +46,18 @@
             bigIcon="f4hwldS">
       <CONFIGURATIONS>
         <CONFIGURATION name="Debug" isDebug="1" optimisation="1" targetName="JuceDemo"
-                       defines="JUCE_UNIT_TESTS=1"/>
+                       defines="JUCE_UNIT_TESTS=1" winWarningLevel="4" generateManifest="1"/>
         <CONFIGURATION name="Release" isDebug="0" optimisation="2" targetName="JuceDemo"
-                       defines="JUCE_UNIT_TESTS=1"/>
+                       defines="JUCE_UNIT_TESTS=1" winWarningLevel="4" generateManifest="1"/>
       </CONFIGURATIONS>
     </VS2008>
     <LINUX_MAKE targetFolder="Builds/Linux" vstFolder="~/SDKs/vstsdk2.4" juceFolder="../../../juce"
                 bigIcon="f4hwldS">
       <CONFIGURATIONS>
         <CONFIGURATION name="Debug" isDebug="1" optimisation="1" targetName="JuceDemo"
-                       defines="JUCE_UNIT_TESTS=1"/>
+                       defines="JUCE_UNIT_TESTS=1" libraryPath="/usr/X11R6/lib/"/>
         <CONFIGURATION name="Release" isDebug="0" optimisation="2" targetName="JuceDemo"
-                       defines="JUCE_UNIT_TESTS=1"/>
+                       defines="JUCE_UNIT_TESTS=1" libraryPath="/usr/X11R6/lib/"/>
       </CONFIGURATIONS>
     </LINUX_MAKE>
     <VS2010 targetFolder="Builds/VisualStudio2010" vstFolder="c:\SDKs\vstsdk2.4"
@@ -65,9 +65,11 @@
             bigIcon="f4hwldS">
       <CONFIGURATIONS>
         <CONFIGURATION name="Debug" isDebug="1" optimisation="1" targetName="JuceDemo"
-                       defines="JUCE_UNIT_TESTS=1" winArchitecture="32-bit"/>
+                       defines="JUCE_UNIT_TESTS=1" winArchitecture="32-bit" winWarningLevel="4"
+                       generateManifest="1"/>
         <CONFIGURATION name="Release" isDebug="0" optimisation="2" targetName="JuceDemo"
-                       defines="JUCE_UNIT_TESTS=1" winArchitecture="32-bit"/>
+                       defines="JUCE_UNIT_TESTS=1" winArchitecture="32-bit" winWarningLevel="4"
+                       generateManifest="1"/>
       </CONFIGURATIONS>
     </VS2010>
     <ANDROID targetFolder="Builds/Android" androidSDKPath="${user.home}/SDKs/android-sdk-macosx"

modules/juce_audio_devices/native/juce_android_Audio.cpp

@@ -75,7 +75,7 @@ public:
           callback (0), sampleRate (0),
           numClientInputChannels (0), numDeviceInputChannels (0), numDeviceInputChannelsAvailable (2),
           numClientOutputChannels (0), numDeviceOutputChannels (0),
-          minbufferSize (0), actualBufferSize (0),
+          minBufferSizeOut (0), minBufferSizeIn (0), actualBufferSize (0),
           isRunning (false),
           outputChannelBuffer (1, 1),
           inputChannelBuffer (1, 1)
@@ -83,22 +83,20 @@ public:
         JNIEnv* env = getEnv();
         sampleRate = env->CallStaticIntMethod (AudioTrack, AudioTrack.getNativeOutputSampleRate, MODE_STREAM);
 
-        const jint outMinBuffer = env->CallStaticIntMethod (AudioTrack, AudioTrack.getMinBufferSize, sampleRate, CHANNEL_OUT_STEREO, ENCODING_PCM_16BIT);
+        minBufferSizeOut = (int) env->CallStaticIntMethod (AudioTrack,  AudioTrack.getMinBufferSize,  sampleRate, CHANNEL_OUT_STEREO, ENCODING_PCM_16BIT);
+        minBufferSizeIn  = (int) env->CallStaticIntMethod (AudioRecord, AudioRecord.getMinBufferSize, sampleRate, CHANNEL_IN_STEREO,  ENCODING_PCM_16BIT);
 
-        jint inMinBuffer = env->CallStaticIntMethod (AudioRecord, AudioRecord.getMinBufferSize, sampleRate, CHANNEL_IN_STEREO, ENCODING_PCM_16BIT);
-        if (inMinBuffer <= 0)
+        if (minBufferSizeIn <= 0)
         {
-            inMinBuffer = env->CallStaticIntMethod (AudioRecord, AudioRecord.getMinBufferSize, sampleRate, CHANNEL_IN_MONO, ENCODING_PCM_16BIT);
+            minBufferSizeIn = env->CallStaticIntMethod (AudioRecord, AudioRecord.getMinBufferSize, sampleRate, CHANNEL_IN_MONO, ENCODING_PCM_16BIT);
 
-            if (inMinBuffer > 0)
+            if (minBufferSizeIn > 0)
                 numDeviceInputChannelsAvailable = 1;
             else
                 numDeviceInputChannelsAvailable = 0;
         }
 
-        minbufferSize = jmax (outMinBuffer, inMinBuffer) / 4;
-
-        DBG ("Audio device - min buffers: " << outMinBuffer << ", " << inMinBuffer << "; "
+        DBG ("Audio device - min buffers: " << minBufferSizeOut << ", " << minBufferSizeIn << "; "
               << sampleRate << " Hz; input chans: " << numDeviceInputChannelsAvailable);
     }
 
@@ -135,9 +133,21 @@ public:
     int getNumSampleRates()             { return 1;}
     double getSampleRate (int index)    { return sampleRate; }
 
-    int getDefaultBufferSize()              { return minbufferSize; }
-    int getNumBufferSizesAvailable()        { return 10; }
-    int getBufferSizeSamples (int index)    { return getDefaultBufferSize() + index * 128; }
+    int getDefaultBufferSize()          { return 2048; }
+    int getNumBufferSizesAvailable()    { return 50; }
+
+    int getBufferSizeSamples (int index)
+    {
+        int n = 16;
+        for (int i = 0; i < index; ++i)
+            n += n < 64 ? 16
+                        : (n < 512 ? 32
+                                   : (n < 1024 ? 64
+                                               : (n < 2048 ? 128 : 256)));
+
+        return n;
+    }
+
 
     String open (const BigInteger& inputChannels,
                  const BigInteger& outputChannels,
@@ -150,7 +160,7 @@ public:
             return "Sample rate not allowed";
 
         lastError = String::empty;
-        int preferredBufferSize = (bufferSize <= 0) ? getDefaultBufferSize() : jmax (minbufferSize, bufferSize);
+        int preferredBufferSize = (bufferSize <= 0) ? getDefaultBufferSize() : bufferSize;
 
         numDeviceInputChannels = 0;
         numDeviceOutputChannels = 0;
@@ -176,7 +186,7 @@ public:
             numDeviceOutputChannels = 2;
             outputDevice = GlobalRef (env->NewObject (AudioTrack, AudioTrack.constructor,
                                                       STREAM_MUSIC, sampleRate, CHANNEL_OUT_STEREO, ENCODING_PCM_16BIT,
-                                                      (jint) (actualBufferSize * numDeviceOutputChannels * sizeof (int16)), MODE_STREAM));
+                                                      (jint) (minBufferSizeOut * numDeviceOutputChannels * sizeof (int16)), MODE_STREAM));
 
             if (env->CallIntMethod (outputDevice, AudioTrack.getState) != STATE_UNINITIALIZED)
                 isRunning = true;
@@ -191,7 +201,7 @@ public:
                                                      0 /* (default audio source) */, sampleRate,
                                                      numDeviceInputChannelsAvailable > 1 ? CHANNEL_IN_STEREO : CHANNEL_IN_MONO,
                                                      ENCODING_PCM_16BIT,
-                                                     (jint) (actualBufferSize * numDeviceInputChannels * sizeof (int16))));
+                                                     (jint) (minBufferSizeIn * numDeviceInputChannels * sizeof (int16))));
 
             if (env->CallIntMethod (inputDevice, AudioRecord.getState) != STATE_UNINITIALIZED)
                 isRunning = true;
@@ -227,8 +237,8 @@ public:
         }
     }
 
-    int getOutputLatencyInSamples()                     { return 0; } // TODO
-    int getInputLatencyInSamples()                      { return 0; } // TODO
+    int getOutputLatencyInSamples()                     { return minBufferSizeOut; }
+    int getInputLatencyInSamples()                      { return minBufferSizeIn; }
     bool isOpen()                                       { return isRunning; }
     int getCurrentBufferSizeSamples()                   { return actualBufferSize; }
     int getCurrentBitDepth()                            { return 16; }
@@ -355,7 +365,7 @@ private:
     jint sampleRate;
     int numClientInputChannels, numDeviceInputChannels, numDeviceInputChannelsAvailable;
     int numClientOutputChannels, numDeviceOutputChannels;
-    int minbufferSize, actualBufferSize;
+    int minBufferSizeOut, minBufferSizeIn, actualBufferSize;
     bool isRunning;
     String lastError;
     BigInteger activeOutputChans, activeInputChans;