diff --git a/android/README.md b/android/README.md index 060d81b719..91e061a456 100644 --- a/android/README.md +++ b/android/README.md @@ -18,3 +18,4 @@ for usage. |[SherpaOnnxWebSocket](./SherpaOnnxWebSocket)| |It shows how to write a websocket client for the [Python streaming websocket server](https://github.com/k2-fsa/sherpa-onnx/blob/master/python-api-examples/streaming_server.py).| |[SherpaOnnxAudioTagging](./SherpaOnnxAudioTagging)|[URL](https://k2-fsa.github.io/sherpa/onnx/audio-tagging/apk.html)| It shows how to use audio tagging.| |[SherpaOnnxAudioTaggingWearOS](./SherpaOnnxAudioTagging)|[URL](https://k2-fsa.github.io/sherpa/onnx/audio-tagging/apk-wearos.html)| It shows how to use audio tagging on WearOS.| +|[SherpaOnnxSimulateStreamingAsr](./SherpaOnnxSimulateStreamingAsr)|| It shows how to use a non-streaming ASR model for streaming speech recognition.| diff --git a/android/SherpaOnnxSimulateStreamingAsr/.gitignore b/android/SherpaOnnxSimulateStreamingAsr/.gitignore new file mode 100644 index 0000000000..aa724b7707 --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/.gitignore @@ -0,0 +1,15 @@ +*.iml +.gradle +/local.properties +/.idea/caches +/.idea/libraries +/.idea/modules.xml +/.idea/workspace.xml +/.idea/navEditor.xml +/.idea/assetWizardSettings.xml +.DS_Store +/build +/captures +.externalNativeBuild +.cxx +local.properties diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/.gitignore b/android/SherpaOnnxSimulateStreamingAsr/app/.gitignore new file mode 100644 index 0000000000..42afabfd2a --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/.gitignore @@ -0,0 +1 @@ +/build \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/build.gradle.kts b/android/SherpaOnnxSimulateStreamingAsr/app/build.gradle.kts new file mode 100644 index 0000000000..3038ce92b5 --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/build.gradle.kts @@ -0,0 +1,69 @@ +plugins { + alias(libs.plugins.android.application) + alias(libs.plugins.jetbrains.kotlin.android) +} + +android { + namespace = "com.k2fsa.sherpa.onnx.simulate.streaming.asr" + compileSdk = 34 + + defaultConfig { + applicationId = "com.k2fsa.sherpa.onnx.simulate.streaming.asr" + minSdk = 21 + targetSdk = 34 + versionCode = 1 + versionName = "1.0" + + testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner" + vectorDrawables { + useSupportLibrary = true + } + } + + buildTypes { + release { + isMinifyEnabled = false + proguardFiles( + getDefaultProguardFile("proguard-android-optimize.txt"), + "proguard-rules.pro" + ) + } + } + compileOptions { + sourceCompatibility = JavaVersion.VERSION_1_8 + targetCompatibility = JavaVersion.VERSION_1_8 + } + kotlinOptions { + jvmTarget = "1.8" + } + buildFeatures { + compose = true + } + composeOptions { + kotlinCompilerExtensionVersion = "1.5.1" + } + packaging { + resources { + excludes += "/META-INF/{AL2.0,LGPL2.1}" + } + } +} + +dependencies { + implementation(libs.androidx.core.ktx) + implementation(libs.androidx.lifecycle.runtime.ktx) + implementation(libs.androidx.activity.compose) + implementation(platform(libs.androidx.compose.bom)) + implementation(libs.androidx.ui) + implementation(libs.androidx.ui.graphics) + implementation(libs.androidx.ui.tooling.preview) + implementation(libs.androidx.material3) + implementation(libs.androidx.navigation.compose) + testImplementation(libs.junit) + androidTestImplementation(libs.androidx.junit) + androidTestImplementation(libs.androidx.espresso.core) + androidTestImplementation(platform(libs.androidx.compose.bom)) + androidTestImplementation(libs.androidx.ui.test.junit4) + debugImplementation(libs.androidx.ui.tooling) + debugImplementation(libs.androidx.ui.test.manifest) +} \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/proguard-rules.pro b/android/SherpaOnnxSimulateStreamingAsr/app/proguard-rules.pro new file mode 100644 index 0000000000..481bb43481 --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/proguard-rules.pro @@ -0,0 +1,21 @@ +# Add project specific ProGuard rules here. +# You can control the set of applied configuration files using the +# proguardFiles setting in build.gradle. +# +# For more details, see +# http://developer.android.com/guide/developing/tools/proguard.html + +# If your project uses WebView with JS, uncomment the following +# and specify the fully qualified class name to the JavaScript interface +# class: +#-keepclassmembers class fqcn.of.javascript.interface.for.webview { +# public *; +#} + +# Uncomment this to preserve the line number information for +# debugging stack traces. +#-keepattributes SourceFile,LineNumberTable + +# If you keep the line number information, uncomment this to +# hide the original source file name. +#-renamesourcefileattribute SourceFile \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/androidTest/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ExampleInstrumentedTest.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/androidTest/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ExampleInstrumentedTest.kt new file mode 100644 index 0000000000..62d3ded39b --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/androidTest/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ExampleInstrumentedTest.kt @@ -0,0 +1,24 @@ +package com.k2fsa.sherpa.onnx.simulate.streaming.asr + +import androidx.test.platform.app.InstrumentationRegistry +import androidx.test.ext.junit.runners.AndroidJUnit4 + +import org.junit.Test +import org.junit.runner.RunWith + +import org.junit.Assert.* + +/** + * Instrumented test, which will execute on an Android device. + * + * See [testing documentation](http://d.android.com/tools/testing). + */ +@RunWith(AndroidJUnit4::class) +class ExampleInstrumentedTest { + @Test + fun useAppContext() { + // Context of the app under test. + val appContext = InstrumentationRegistry.getInstrumentation().targetContext + assertEquals("com.k2fsa.sherpa.onnx.simulate.streaming.asr", appContext.packageName) + } +} \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/AndroidManifest.xml b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/AndroidManifest.xml new file mode 100644 index 0000000000..c97f7eb271 --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/AndroidManifest.xml @@ -0,0 +1,30 @@ + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/assets/.gitkeep b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/assets/.gitkeep new file mode 100644 index 0000000000..e69de29bb2 diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/FeatureConfig.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/FeatureConfig.kt new file mode 120000 index 0000000000..952fae878a --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/FeatureConfig.kt @@ -0,0 +1 @@ +../../../../../../../../../../sherpa-onnx/kotlin-api/FeatureConfig.kt \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/HomophoneReplacerConfig.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/HomophoneReplacerConfig.kt new file mode 120000 index 0000000000..b9f74be21c --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/HomophoneReplacerConfig.kt @@ -0,0 +1 @@ +../../../../../../../../../../sherpa-onnx/kotlin-api/HomophoneReplacerConfig.kt \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/OfflineRecognizer.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/OfflineRecognizer.kt new file mode 120000 index 0000000000..faa3ab4acf --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/OfflineRecognizer.kt @@ -0,0 +1 @@ +../../../../../../../../../../sherpa-onnx/kotlin-api/OfflineRecognizer.kt \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/OfflineStream.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/OfflineStream.kt new file mode 120000 index 0000000000..2a3aff864e --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/OfflineStream.kt @@ -0,0 +1 @@ +../../../../../../../../../../sherpa-onnx/kotlin-api/OfflineStream.kt \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/Vad.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/Vad.kt new file mode 120000 index 0000000000..761b158ce9 --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/Vad.kt @@ -0,0 +1 @@ +../../../../../../../../../../sherpa-onnx/kotlin-api/Vad.kt \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/BarItem.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/BarItem.kt new file mode 100644 index 0000000000..b07963174d --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/BarItem.kt @@ -0,0 +1,13 @@ +package com.k2fsa.sherpa.onnx.simulate.streaming.asr + +import androidx.compose.ui.graphics.vector.ImageVector + +data class BarItem( + val title: String, + + // see https://www.composables.com/icons + // and + // https://developer.android.com/reference/kotlin/androidx/compose/material/icons/filled/package-summary + val image: ImageVector, + val route: String, +) diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/MainActivity.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/MainActivity.kt new file mode 100644 index 0000000000..7628245380 --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/MainActivity.kt @@ -0,0 +1,162 @@ +package com.k2fsa.sherpa.onnx.simulate.streaming.asr + +import android.Manifest +import android.content.pm.PackageManager +import android.os.Bundle +import android.util.Log +import android.widget.Toast +import androidx.activity.ComponentActivity +import androidx.activity.compose.setContent +import androidx.activity.enableEdgeToEdge +import androidx.compose.foundation.layout.Column +import androidx.compose.foundation.layout.fillMaxSize +import androidx.compose.foundation.layout.padding +import androidx.compose.material3.CenterAlignedTopAppBar +import androidx.compose.material3.ExperimentalMaterial3Api +import androidx.compose.material3.Icon +import androidx.compose.material3.MaterialTheme +import androidx.compose.material3.NavigationBar +import androidx.compose.material3.NavigationBarItem +import androidx.compose.material3.Scaffold +import androidx.compose.material3.Surface +import androidx.compose.material3.Text +import androidx.compose.material3.TopAppBarDefaults +import androidx.compose.runtime.Composable +import androidx.compose.runtime.getValue +import androidx.compose.ui.Modifier +import androidx.compose.ui.text.font.FontWeight +import androidx.core.app.ActivityCompat +import androidx.navigation.NavGraph.Companion.findStartDestination +import androidx.navigation.NavHostController +import androidx.navigation.compose.NavHost +import androidx.navigation.compose.composable +import androidx.navigation.compose.currentBackStackEntryAsState +import androidx.navigation.compose.rememberNavController +import com.k2fsa.sherpa.onnx.simulate.streaming.asr.screens.HelpScreen +import com.k2fsa.sherpa.onnx.simulate.streaming.asr.screens.HomeScreen +import com.k2fsa.sherpa.onnx.simulate.streaming.asr.ui.theme.SimulateStreamingAsrTheme + +const val TAG = "sherpa-onnx-sim-asr" +private const val REQUEST_RECORD_AUDIO_PERMISSION = 200 + +@Suppress("DEPRECATION") +class MainActivity : ComponentActivity() { + private val permissions: Array = arrayOf(Manifest.permission.RECORD_AUDIO) + + override fun onCreate(savedInstanceState: Bundle?) { + super.onCreate(savedInstanceState) + enableEdgeToEdge() + setContent { + SimulateStreamingAsrTheme { + Surface( + modifier = Modifier.fillMaxSize(), + color = MaterialTheme.colorScheme.background + ) { + MainScreen() + } + } + } + ActivityCompat.requestPermissions(this, permissions, REQUEST_RECORD_AUDIO_PERMISSION) + + SimulateStreamingAsr.initOfflineRecognizer(this.assets, this.application) + SimulateStreamingAsr.initVad(this.assets) + } + + @Deprecated("Deprecated in Java") + override fun onRequestPermissionsResult( + requestCode: Int, + permissions: Array, + grantResults: IntArray + ) { + super.onRequestPermissionsResult(requestCode, permissions, grantResults) + val permissionToRecordAccepted = if (requestCode == REQUEST_RECORD_AUDIO_PERMISSION) { + grantResults[0] == PackageManager.PERMISSION_GRANTED + } else { + false + } + + if (!permissionToRecordAccepted) { + Log.e(TAG, "Audio record is disallowed") + Toast.makeText( + this, + "This App needs to access the microphone", + Toast.LENGTH_SHORT + ) + .show() + finish() + } + + Log.i(TAG, "Audio record is permitted") + } +} + +@OptIn(ExperimentalMaterial3Api::class) +@Composable +fun MainScreen(modifier: Modifier = Modifier) { + val navController = rememberNavController() + + Scaffold( + topBar = { + CenterAlignedTopAppBar( + colors = TopAppBarDefaults.topAppBarColors( + containerColor = MaterialTheme.colorScheme.primaryContainer, + titleContentColor = MaterialTheme.colorScheme.primary, + ), + title = { + Text( + "Next-gen Kaldi: Simulate real-time speech recognition", + fontWeight = FontWeight.Bold, + ) + }, + ) + }, + content = { padding -> + Column(Modifier.padding(padding)) { + NavigationHost(navController = navController) + + } + }, + bottomBar = { + BottomNavigationBar(navController = navController) + } + ) +} + +@Composable +fun NavigationHost(navController: NavHostController) { + NavHost(navController = navController, startDestination = NavRoutes.Home.route) { + composable(NavRoutes.Home.route) { + HomeScreen() + } + + composable(NavRoutes.Help.route) { + HelpScreen() + } + } +} + +@Composable +fun BottomNavigationBar(navController: NavHostController) { + NavigationBar { + val backStackEntry by navController.currentBackStackEntryAsState() + val currentRoute = backStackEntry?.destination?.route + + NavBarItems.BarItems.forEach { navItem -> + NavigationBarItem(selected = currentRoute == navItem.route, + onClick = { + navController.navigate(navItem.route) { + popUpTo(navController.graph.findStartDestination().id) { + saveState = true + } + launchSingleTop = true + restoreState = true + } + }, + icon = { + Icon(imageVector = navItem.image, contentDescription = navItem.title) + }, label = { + Text(text = navItem.title) + }) + } + } +} \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/NavBarItems.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/NavBarItems.kt new file mode 100644 index 0000000000..1df2832c5d --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/NavBarItems.kt @@ -0,0 +1,20 @@ +package com.k2fsa.sherpa.onnx.simulate.streaming.asr + +import androidx.compose.material.icons.Icons +import androidx.compose.material.icons.filled.Home +import androidx.compose.material.icons.filled.Info + +object NavBarItems { + val BarItems = listOf( + BarItem( + title = "Home", + image = Icons.Filled.Home, + route = "home", + ), + BarItem( + title = "Help", + image = Icons.Filled.Info, + route = "help", + ), + ) +} \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/NavRoutes.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/NavRoutes.kt new file mode 100644 index 0000000000..1452e154cb --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/NavRoutes.kt @@ -0,0 +1,6 @@ +package com.k2fsa.sherpa.onnx.simulate.streaming.asr + +sealed class NavRoutes(val route: String) { + object Home : NavRoutes("home") + object Help : NavRoutes("help") +} \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/SimulateStreamingAsr.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/SimulateStreamingAsr.kt new file mode 100644 index 0000000000..8743be5d4a --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/SimulateStreamingAsr.kt @@ -0,0 +1,150 @@ +package com.k2fsa.sherpa.onnx.simulate.streaming.asr + +import android.app.Application +import android.content.res.AssetManager +import android.util.Log +import com.k2fsa.sherpa.onnx.HomophoneReplacerConfig +import com.k2fsa.sherpa.onnx.OfflineRecognizer +import com.k2fsa.sherpa.onnx.OfflineRecognizerConfig +import com.k2fsa.sherpa.onnx.Vad +import com.k2fsa.sherpa.onnx.getOfflineModelConfig +import com.k2fsa.sherpa.onnx.getVadModelConfig +import java.io.File +import java.io.FileOutputStream +import java.io.IOException + +object SimulateStreamingAsr { + private var _recognizer: OfflineRecognizer? = null + val recognizer: OfflineRecognizer + get() { + return _recognizer!! + } + + private var _vad: Vad? = null + val vad: Vad + get() { + return _vad!! + } + + fun initOfflineRecognizer(assetManager: AssetManager? = null, application: Application) { + synchronized(this) { + if (_recognizer != null) { + return + } + Log.i(TAG, "Initializing sherpa-onnx offline recognizer") + // Please change getOfflineModelConfig() to add new models + // See https://k2-fsa.github.io/sherpa/onnx/pretrained_models/index.html + // for a list of available models + val asrModelType = 15 + val asrRuleFsts: String? + asrRuleFsts = null + Log.i(TAG, "Select model type $asrModelType for ASR") + + val useHr = false + val hr = HomophoneReplacerConfig( + // Used only when useHr is true + // Please download the following 3 files from + // https://github.com/k2-fsa/sherpa-onnx/releases/tag/hr-files + // + // dict and lexicon.txt can be shared by different apps + // + // replace.fst is specific for an app + dictDir = "dict", + lexicon = "lexicon.txt", + ruleFsts = "replace.fst", + ) + + val config = OfflineRecognizerConfig( + modelConfig = getOfflineModelConfig(type = asrModelType)!!, + ) + + if (config.modelConfig.numThreads == 1) { + config.modelConfig.numThreads = 2 + } + + if (asrRuleFsts != null) { + config.ruleFsts = asrRuleFsts + } + + if (useHr) { + if (hr.dictDir.isNotEmpty() && hr.dictDir.first() != '/') { + // We need to copy it from the assets directory to some path + val newDir = copyDataDir(hr.dictDir, application) + hr.dictDir = "$newDir/${hr.dictDir}" + } + config.hr = hr + } + + _recognizer = OfflineRecognizer( + assetManager = assetManager, + config = config, + ) + + Log.i(TAG, "sherpa-onnx offline recognizer initialized") + } + } + + fun initVad(assetManager: AssetManager? = null) { + if (_vad != null) { + return + } + val type = 0 + Log.i(TAG, "Select VAD model type $type") + val config = getVadModelConfig(type) + + _vad = Vad( + assetManager = assetManager, + config = config!!, + ) + Log.i(TAG, "sherpa-onnx vad initialized") + } + + private fun copyDataDir(dataDir: String, application: Application): String { + Log.i(TAG, "data dir is $dataDir") + copyAssets(dataDir, application) + + val newDataDir = application.getExternalFilesDir(null)!!.absolutePath + Log.i(TAG, "newDataDir: $newDataDir") + return newDataDir + } + + private fun copyAssets(path: String, application: Application) { + val assets: Array? + try { + assets = application.assets.list(path) + if (assets!!.isEmpty()) { + copyFile(path, application) + } else { + val fullPath = "${application.getExternalFilesDir(null)}/$path" + val dir = File(fullPath) + dir.mkdirs() + for (asset in assets.iterator()) { + val p: String = if (path == "") "" else "$path/" + copyAssets(p + asset, application) + } + } + } catch (ex: IOException) { + Log.e(TAG, "Failed to copy $path. $ex") + } + } + + private fun copyFile(filename: String, application: Application) { + try { + val istream = application.assets.open(filename) + val newFilename = application.getExternalFilesDir(null).toString() + "/" + filename + val ostream = FileOutputStream(newFilename) + // Log.i(TAG, "Copying $filename to $newFilename") + val buffer = ByteArray(1024) + var read = 0 + while (read != -1) { + ostream.write(buffer, 0, read) + read = istream.read(buffer) + } + istream.close() + ostream.flush() + ostream.close() + } catch (ex: Exception) { + Log.e(TAG, "Failed to copy $filename, $ex") + } + } +} \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/screens/Help.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/screens/Help.kt new file mode 100644 index 0000000000..de1435f832 --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/screens/Help.kt @@ -0,0 +1,33 @@ +package com.k2fsa.sherpa.onnx.simulate.streaming.asr.screens + +import androidx.compose.runtime.Composable +import androidx.compose.foundation.layout.Box +import androidx.compose.foundation.layout.Column +import androidx.compose.foundation.layout.Spacer +import androidx.compose.foundation.layout.fillMaxSize +import androidx.compose.foundation.layout.height +import androidx.compose.foundation.layout.padding +import androidx.compose.material3.Text +import androidx.compose.ui.Modifier +import androidx.compose.ui.unit.dp +import androidx.compose.ui.unit.sp + +@Composable +fun HelpScreen() { + Box(modifier = Modifier.fillMaxSize()) { + Column( + modifier = Modifier.padding(8.dp) + ) { + Text( + "This app uses a non-streaming ASR model together with silero-vad " + + "for streaming/real-time speech recognition. ", + fontSize=10.sp + ) + Spacer(modifier = Modifier.height(10.dp)) + Text("Please see http://github.com/k2-fsa/sherpa-onnx ") + + Spacer(modifier = Modifier.height(10.dp)) + Text("Everything is open-sourced!", fontSize = 20.sp) + } + } +} diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/screens/Home.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/screens/Home.kt new file mode 100644 index 0000000000..36c6a3be67 --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/screens/Home.kt @@ -0,0 +1,299 @@ +package com.k2fsa.sherpa.onnx.simulate.streaming.asr.screens + +import android.Manifest +import android.annotation.SuppressLint +import android.app.Activity +import android.content.pm.PackageManager +import android.media.AudioFormat +import android.media.AudioRecord +import android.media.MediaRecorder +import android.util.Log +import android.widget.Toast +import androidx.compose.foundation.layout.Arrangement +import androidx.compose.foundation.layout.Box +import androidx.compose.foundation.layout.Column +import androidx.compose.foundation.layout.PaddingValues +import androidx.compose.foundation.layout.Row +import androidx.compose.foundation.layout.Spacer +import androidx.compose.foundation.layout.fillMaxHeight +import androidx.compose.foundation.layout.fillMaxSize +import androidx.compose.foundation.layout.fillMaxWidth +import androidx.compose.foundation.layout.width +import androidx.compose.foundation.lazy.LazyColumn +import androidx.compose.foundation.lazy.itemsIndexed +import androidx.compose.foundation.lazy.rememberLazyListState +import androidx.compose.material3.Button +import androidx.compose.material3.Text +import androidx.compose.runtime.Composable +import androidx.compose.runtime.getValue +import androidx.compose.runtime.mutableStateListOf +import androidx.compose.runtime.mutableStateOf +import androidx.compose.runtime.remember +import androidx.compose.runtime.rememberCoroutineScope +import androidx.compose.runtime.setValue +import androidx.compose.ui.Alignment +import androidx.compose.ui.Modifier +import androidx.compose.ui.platform.LocalClipboardManager +import androidx.compose.ui.platform.LocalContext +import androidx.compose.ui.res.stringResource +import androidx.compose.ui.text.AnnotatedString +import androidx.compose.ui.unit.dp +import androidx.core.app.ActivityCompat +import com.k2fsa.sherpa.onnx.simulate.streaming.asr.R +import com.k2fsa.sherpa.onnx.simulate.streaming.asr.SimulateStreamingAsr +import com.k2fsa.sherpa.onnx.simulate.streaming.asr.TAG +import kotlinx.coroutines.CoroutineScope +import kotlinx.coroutines.Dispatchers +import kotlinx.coroutines.channels.Channel +import kotlinx.coroutines.launch + +private var audioRecord: AudioRecord? = null + +private const val sampleRateInHz = 16000 +private var samplesChannel = Channel(capacity = Channel.UNLIMITED) + +@Composable +fun HomeScreen() { + val context = LocalContext.current + val clipboardManager = LocalClipboardManager.current + + val activity = LocalContext.current as Activity + var isStarted by remember { mutableStateOf(false) } + val resultList: MutableList = remember { mutableStateListOf() } + val lazyColumnListState = rememberLazyListState() + val coroutineScope = rememberCoroutineScope() + + val onRecordingButtonClick: () -> Unit = { + isStarted = !isStarted + if (isStarted) { + if (ActivityCompat.checkSelfPermission( + activity, + Manifest.permission.RECORD_AUDIO + ) != PackageManager.PERMISSION_GRANTED + ) { + Log.i(TAG, "Recording is not allowed") + } else { + // recording is allowed + val audioSource = MediaRecorder.AudioSource.MIC + val channelConfig = AudioFormat.CHANNEL_IN_MONO + val audioFormat = AudioFormat.ENCODING_PCM_16BIT + val numBytes = + AudioRecord.getMinBufferSize(sampleRateInHz, channelConfig, audioFormat) + audioRecord = AudioRecord( + audioSource, + sampleRateInHz, + AudioFormat.CHANNEL_IN_MONO, + AudioFormat.ENCODING_PCM_16BIT, + numBytes * 2 // a sample has two bytes as we are using 16-bit PCM + ) + + SimulateStreamingAsr.vad.reset() + + CoroutineScope(Dispatchers.IO).launch { + Log.i(TAG, "processing samples") + val interval = 0.1 // i.e., 100 ms + val bufferSize = (interval * sampleRateInHz).toInt() // in samples + val buffer = ShortArray(bufferSize) + + audioRecord?.let { it -> + it.startRecording() + + while (isStarted) { + val ret = audioRecord?.read(buffer, 0, buffer.size) + ret?.let { n -> + val samples = FloatArray(n) { buffer[it] / 32768.0f } + samplesChannel.send(samples) + } + } + val samples = FloatArray(0) + samplesChannel.send(samples) + } + } + + CoroutineScope(Dispatchers.Default).launch { + var buffer = arrayListOf() + var offset = 0 + val windowSize = 512 + var isSpeechStarted = false + var startTime = System.currentTimeMillis() + var lastText = "" + var added = false + + + while (isStarted) { + for (s in samplesChannel) { + if (s.isEmpty()) { + break + } + + buffer.addAll(s.toList()) + while (offset + windowSize < buffer.size) { + SimulateStreamingAsr.vad.acceptWaveform( + buffer.subList( + offset, + offset + windowSize + ).toFloatArray() + ) + offset += windowSize + if (!isSpeechStarted && SimulateStreamingAsr.vad.isSpeechDetected()) { + isSpeechStarted = true + startTime = System.currentTimeMillis() + } + } + + val elapsed = System.currentTimeMillis() - startTime + if (isSpeechStarted && elapsed > 200) { + // Run ASR every 0.2 seconds == 200 milliseconds + // You can change it to some other value + val stream = SimulateStreamingAsr.recognizer.createStream() + stream.acceptWaveform( + buffer.subList(0, offset).toFloatArray(), + sampleRateInHz + ) + SimulateStreamingAsr.recognizer.decode(stream) + val result = SimulateStreamingAsr.recognizer.getResult(stream) + stream.release() + + lastText = result.text + + if (lastText.isNotBlank()) { + if (!added || resultList.isEmpty()) { + resultList.add(lastText) + added = true + } else { + resultList[resultList.size - 1] = lastText + } + + coroutineScope.launch { + lazyColumnListState.animateScrollToItem(resultList.size - 1) + } + } + + startTime = System.currentTimeMillis() + } + + + while (!SimulateStreamingAsr.vad.empty()) { + val stream = SimulateStreamingAsr.recognizer.createStream() + stream.acceptWaveform( + SimulateStreamingAsr.vad.front().samples, + sampleRateInHz + ) + SimulateStreamingAsr.recognizer.decode(stream) + val result = SimulateStreamingAsr.recognizer.getResult(stream) + stream.release() + + isSpeechStarted = false + SimulateStreamingAsr.vad.pop() + + buffer = arrayListOf() + offset = 0 + if (lastText.isNotBlank()) { + if (added && resultList.isNotEmpty()) { + resultList[resultList.size - 1] = result.text + } else { + resultList.add(result.text) + } + + coroutineScope.launch { + lazyColumnListState.animateScrollToItem(resultList.size - 1) + } + added = false + } + } + } + } + } + } + } else { + audioRecord?.stop() + audioRecord?.release() + audioRecord = null + } + } + Box( + modifier = Modifier.fillMaxSize(), + contentAlignment = Alignment.TopCenter, + ) { + Column(modifier = Modifier) { + HomeButtonRow( + isStarted = isStarted, + onRecordingButtonClick = onRecordingButtonClick, + onCopyButtonClick = { + if (resultList.isNotEmpty()) { + val s = resultList.mapIndexed { i, s -> "${i + 1}: $s" } + .joinToString(separator = "\n") + clipboardManager.setText(AnnotatedString(s)) + + Toast.makeText( + context, + "Copied to clipboard", + Toast.LENGTH_SHORT + ) + .show() + } else { + Toast.makeText( + context, + "Nothing to copy", + Toast.LENGTH_SHORT + ) + .show() + + } + }, + onClearButtonClick = { + resultList.clear() + } + ) + + if (resultList.size > 0) { + LazyColumn( + modifier = Modifier + .fillMaxWidth() + .fillMaxHeight(), + contentPadding = PaddingValues(16.dp), + state = lazyColumnListState + ) { + itemsIndexed(resultList) { index, line -> + Text(text = "${index+1}: $line") + } + } + } + + } + } +} + +@SuppressLint("UnrememberedMutableState") +@Composable +private fun HomeButtonRow( + modifier: Modifier = Modifier, + isStarted: Boolean, + onRecordingButtonClick: () -> Unit, + onCopyButtonClick: () -> Unit, + onClearButtonClick: () -> Unit, +) { + Row( + modifier = modifier.fillMaxWidth(), + horizontalArrangement = Arrangement.Center, + ) { + Button( + onClick = onRecordingButtonClick + ) { + Text(text = stringResource(if (isStarted) R.string.stop else R.string.start)) + } + + Spacer(modifier = Modifier.width(24.dp)) + + Button(onClick = onCopyButtonClick) { + Text(text = stringResource(id = R.string.copy)) + } + + Spacer(modifier = Modifier.width(24.dp)) + + Button(onClick = onClearButtonClick) { + Text(text = stringResource(id = R.string.clear)) + } + } +} + diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ui/theme/Color.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ui/theme/Color.kt new file mode 100644 index 0000000000..806a68d3d0 --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ui/theme/Color.kt @@ -0,0 +1,11 @@ +package com.k2fsa.sherpa.onnx.simulate.streaming.asr.ui.theme + +import androidx.compose.ui.graphics.Color + +val Purple80 = Color(0xFFD0BCFF) +val PurpleGrey80 = Color(0xFFCCC2DC) +val Pink80 = Color(0xFFEFB8C8) + +val Purple40 = Color(0xFF6650a4) +val PurpleGrey40 = Color(0xFF625b71) +val Pink40 = Color(0xFF7D5260) \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ui/theme/Theme.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ui/theme/Theme.kt new file mode 100644 index 0000000000..f57b11194a --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ui/theme/Theme.kt @@ -0,0 +1,58 @@ +package com.k2fsa.sherpa.onnx.simulate.streaming.asr.ui.theme + +import android.app.Activity +import android.os.Build +import androidx.compose.foundation.isSystemInDarkTheme +import androidx.compose.material3.MaterialTheme +import androidx.compose.material3.darkColorScheme +import androidx.compose.material3.dynamicDarkColorScheme +import androidx.compose.material3.dynamicLightColorScheme +import androidx.compose.material3.lightColorScheme +import androidx.compose.runtime.Composable +import androidx.compose.ui.platform.LocalContext + +private val DarkColorScheme = darkColorScheme( + primary = Purple80, + secondary = PurpleGrey80, + tertiary = Pink80 +) + +private val LightColorScheme = lightColorScheme( + primary = Purple40, + secondary = PurpleGrey40, + tertiary = Pink40 + + /* Other default colors to override + background = Color(0xFFFFFBFE), + surface = Color(0xFFFFFBFE), + onPrimary = Color.White, + onSecondary = Color.White, + onTertiary = Color.White, + onBackground = Color(0xFF1C1B1F), + onSurface = Color(0xFF1C1B1F), + */ +) + +@Composable +fun SimulateStreamingAsrTheme( + darkTheme: Boolean = isSystemInDarkTheme(), + // Dynamic color is available on Android 12+ + dynamicColor: Boolean = true, + content: @Composable () -> Unit +) { + val colorScheme = when { + dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> { + val context = LocalContext.current + if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context) + } + + darkTheme -> DarkColorScheme + else -> LightColorScheme + } + + MaterialTheme( + colorScheme = colorScheme, + typography = Typography, + content = content + ) +} \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ui/theme/Type.kt b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ui/theme/Type.kt new file mode 100644 index 0000000000..ac0b873898 --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/java/com/k2fsa/sherpa/onnx/simulate/streaming/asr/ui/theme/Type.kt @@ -0,0 +1,34 @@ +package com.k2fsa.sherpa.onnx.simulate.streaming.asr.ui.theme + +import androidx.compose.material3.Typography +import androidx.compose.ui.text.TextStyle +import androidx.compose.ui.text.font.FontFamily +import androidx.compose.ui.text.font.FontWeight +import androidx.compose.ui.unit.sp + +// Set of Material typography styles to start with +val Typography = Typography( + bodyLarge = TextStyle( + fontFamily = FontFamily.Default, + fontWeight = FontWeight.Normal, + fontSize = 16.sp, + lineHeight = 24.sp, + letterSpacing = 0.5.sp + ) + /* Other default text styles to override + titleLarge = TextStyle( + fontFamily = FontFamily.Default, + fontWeight = FontWeight.Normal, + fontSize = 22.sp, + lineHeight = 28.sp, + letterSpacing = 0.sp + ), + labelSmall = TextStyle( + fontFamily = FontFamily.Default, + fontWeight = FontWeight.Medium, + fontSize = 11.sp, + lineHeight = 16.sp, + letterSpacing = 0.5.sp + ) + */ +) \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/jniLibs/arm64-v8a/.gitkeep b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/jniLibs/arm64-v8a/.gitkeep new file mode 100644 index 0000000000..e69de29bb2 diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/jniLibs/armeabi-v7a/.gitkeep b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/jniLibs/armeabi-v7a/.gitkeep new file mode 100644 index 0000000000..e69de29bb2 diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/jniLibs/x86/.gitkeep b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/jniLibs/x86/.gitkeep new file mode 100644 index 0000000000..e69de29bb2 diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/jniLibs/x86_64/.gitkeep b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/jniLibs/x86_64/.gitkeep new file mode 100644 index 0000000000..e69de29bb2 diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/drawable-v24/ic_launcher_foreground.xml new file mode 100644 index 0000000000..2b068d1146 --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/drawable-v24/ic_launcher_foreground.xml @@ -0,0 +1,30 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/drawable/ic_launcher_background.xml b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/drawable/ic_launcher_background.xml new file mode 100644 index 0000000000..07d5da9cbf --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/drawable/ic_launcher_background.xml @@ -0,0 +1,170 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml new file mode 100644 index 0000000000..6f3b755bf5 --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml new file mode 100644 index 0000000000..6f3b755bf5 --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-hdpi/ic_launcher.webp b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-hdpi/ic_launcher.webp new file mode 100644 index 0000000000..c209e78ecd Binary files /dev/null and b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-hdpi/ic_launcher.webp differ diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp new file mode 100644 index 0000000000..b2dfe3d1ba Binary files /dev/null and b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp differ diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/mipmap-mdpi/ic_launcher.webp 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b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/values/colors.xml new file mode 100644 index 0000000000..f8c6127d32 --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/values/colors.xml @@ -0,0 +1,10 @@ + + + #FFBB86FC + #FF6200EE + #FF3700B3 + #FF03DAC5 + #FF018786 + #FF000000 + #FFFFFFFF + \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/values/strings.xml b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/values/strings.xml new file mode 100644 index 0000000000..05701881e1 --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/values/strings.xml @@ -0,0 +1,7 @@ + + SimulateStreamingAsr + Start + Stop + Copy + Clear + \ No newline at end of file diff --git a/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/values/themes.xml b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/values/themes.xml new file mode 100644 index 0000000000..783e45ce9c --- /dev/null +++ b/android/SherpaOnnxSimulateStreamingAsr/app/src/main/res/values/themes.xml @@ -0,0 +1,5 @@ + + + +