diff --git a/README.md b/README.md index 6233af7..8d5bc0b 100644 --- a/README.md +++ b/README.md @@ -2,12 +2,13 @@ Record an in-person meeting and transcribe it with [Whisper](https://github.com/SYSTRAN/faster-whisper). -Meetrec captures audio from any PipeWire/ALSA input (microphone, USB conference mic, USB audio interface, or a Pulse/PipeWire sink *monitor*) and produces transcripts in `txt`, `srt`, and `json`. It runs fully locally — no audio ever leaves your machine. +Meetrec captures audio from any input (microphone, USB conference mic, USB audio interface, or a Pulse/PipeWire sink *monitor*) and produces transcripts in `txt`, `srt`, and `json`. It runs fully locally — no audio ever leaves your machine. -Two interfaces: +Two desktop interfaces plus an Android app: - **`meetrec.py`** — CLI: record, optionally show a live rolling transcript, and on `Ctrl+C` run a final higher-quality pass. - **`meetrec_gui.py`** — Qt (PySide6) GUI: device/model/language selection, level meter, live transcript, and one-click *Stop & transcribe*. +- **`android/`** — native Kotlin app with the same on-device functionality, built on whisper.cpp via JNI (see `android/README.md`). ## Output files @@ -136,6 +137,7 @@ install.sh install / uninstall into a local prefix bin/meetrec GUI launcher (installed into ~/.local/bin) bin/meetrec-cli CLI launcher (installed into ~/.local/bin) share/applications/meetrec.desktop XDG desktop entry +android/ native Android app (Kotlin + whisper.cpp JNI) ``` ## Privacy diff --git a/android/.gitignore b/android/.gitignore new file mode 100644 index 0000000..8ad4309 --- /dev/null +++ b/android/.gitignore @@ -0,0 +1,11 @@ +# Gradle / IDE +.gradle/ +build/ +.cxx/ +local.properties +.idea/ +*.iml +.kotlin/ + +# Vendored whisper.cpp sources (run ./tools/fetch-whisper.sh) +third_party/ \ No newline at end of file diff --git a/android/README.md b/android/README.md new file mode 100644 index 0000000..6ac05bd --- /dev/null +++ b/android/README.md @@ -0,0 +1,62 @@ +# MeetRec for Android + +Native Android app with the same functionality as the desktop meetrec: +record meetings and transcribe them on-device with Whisper. Nothing leaves +the phone — no cloud, no telemetry. + +Status: **M0 (engine proof)** — the app can download a GGML model, load it +via JNI (whisper.cpp, CPU/NEON) and transcribe a picked WAV file. Recording, +live transcript, and output files arrive in later milestones (see the +milestone plan in the project docs). + +## Requirements + +- Android Studio (or: SDK Platform 36, Build Tools 36, NDK 27.1, CMake 3.22.1) +- JDK 17+ +- Device running Android 10+ (developed against a Fairphone 6 / Snapdragon + 7s Gen 3, Android 15+) + +## Build + +```sh +cd android +./tools/fetch-whisper.sh # vendors whisper.cpp v1.9.3 into third_party/ +./gradlew :app:assembleDebug # or open the android/ folder in Android Studio +adb install -r app/build/outputs/apk/debug/app-debug.apk +``` + +`third_party/whisper.cpp` is gitignored — the fetch script pins the exact +release tag so the JNI layer never breaks on upstream churn. + +## Test on device (M0) + +1. Launch **MeetRec**, pick a model (`tiny` is fine for a first test) and tap + **Download** (model comes from Hugging Face; tiny is ~75 MB). +2. Tap **Load engine**. +3. Tap **Pick WAV file** and choose a 16 kHz mono WAV for best results + (other PCM WAVs are resampled automatically). +4. Tap **Transcribe** — segments with timestamps appear; share via the + share sheet. + +Expect roughly realtime transcription with `tiny`/`base` on the +Fairphone 6's CPU; `small` is noticeably slower — use it for final passes +only (the live/final split comes with the recorder milestones). + +## Performance notes + +- The engine runs on CPU via NEON, using up to 4 threads. +- GPU/NPU acceleration (e.g. Snapdragon NPU via the QNN backend) is a + stretch goal, not wired up yet. + +## Module layout + +``` +app/ Compose UI (model download, WAV picker, transcript view) +core/whisper/ whisper.cpp JNI wrapper: CMake build + LibWhisper.kt + + WhisperEngine.kt (the on-device transcription API) +tools/ fetch-whisper.sh — vendor the pinned whisper.cpp release +``` + +Models live in the app's private storage (`filesDir/models`), shared files +with the desktop app's `~/.cache/meetrec/whisper-cpp` naming +(ggml-tiny.bin … ggml-large-v3.bin). \ No newline at end of file diff --git a/android/app/build.gradle.kts b/android/app/build.gradle.kts new file mode 100644 index 0000000..0eaf8e5 --- /dev/null +++ b/android/app/build.gradle.kts @@ -0,0 +1,43 @@ +plugins { + alias(libs.plugins.android.application) + alias(libs.plugins.kotlin.compose) +} + +android { + namespace = "com.meetrec.android" + compileSdk = 36 + + defaultConfig { + applicationId = "com.meetrec.android" + minSdk = 29 + targetSdk = 36 + versionCode = 1 + versionName = "0.1.0" + } + + buildTypes { + release { + isMinifyEnabled = false + } + } + + compileOptions { + sourceCompatibility = JavaVersion.VERSION_17 + targetCompatibility = JavaVersion.VERSION_17 + } + + buildFeatures { + compose = true + } +} + +dependencies { + implementation(project(":core:whisper")) + implementation(libs.androidx.core.ktx) + implementation(libs.androidx.activity.compose) + implementation(platform(libs.androidx.compose.bom)) + implementation(libs.androidx.compose.ui) + implementation(libs.androidx.compose.material3) + implementation(libs.kotlinx.coroutines.android) + debugImplementation(libs.androidx.compose.ui.tooling.preview) +} \ No newline at end of file diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml new file mode 100644 index 0000000..ed15cc7 --- /dev/null +++ b/android/app/src/main/AndroidManifest.xml @@ -0,0 +1,21 @@ + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/android/app/src/main/java/com/meetrec/android/MainActivity.kt b/android/app/src/main/java/com/meetrec/android/MainActivity.kt new file mode 100644 index 0000000..942a1e2 --- /dev/null +++ b/android/app/src/main/java/com/meetrec/android/MainActivity.kt @@ -0,0 +1,242 @@ +package com.meetrec.android + +import android.content.Intent +import android.os.Bundle +import android.provider.OpenableColumns +import androidx.activity.ComponentActivity +import androidx.activity.compose.rememberLauncherForActivityResult +import androidx.activity.compose.setContent +import androidx.activity.result.contract.ActivityResultContracts +import androidx.compose.foundation.layout.Arrangement +import androidx.compose.foundation.layout.Column +import androidx.compose.foundation.layout.Row +import androidx.compose.foundation.layout.fillMaxSize +import androidx.compose.foundation.layout.fillMaxWidth +import androidx.compose.foundation.layout.padding +import androidx.compose.foundation.lazy.LazyColumn +import androidx.compose.foundation.lazy.items +import androidx.compose.material3.Button +import androidx.compose.material3.CircularProgressIndicator +import androidx.compose.material3.DropdownMenuItem +import androidx.compose.material3.ExperimentalMaterial3Api +import androidx.compose.material3.ExposedDropdownMenuBox +import androidx.compose.material3.ExposedDropdownMenuDefaults +import androidx.compose.material3.MaterialTheme +import androidx.compose.material3.OutlinedButton +import androidx.compose.material3.OutlinedTextField +import androidx.compose.material3.Text +import androidx.compose.runtime.Composable +import androidx.compose.runtime.getValue +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.LocalContext +import androidx.compose.ui.unit.dp +import com.meetrec.core.whisper.WhisperEngine +import kotlinx.coroutines.Dispatchers +import kotlinx.coroutines.launch +import kotlinx.coroutines.withContext +import java.io.File + +/** + * M0 screen: proves the whisper.cpp engine on device. + * Pick a model (downloads from Hugging Face), load it, pick a WAV file, + * transcribe, share the text. Recording arrives in M1. + */ +class MainActivity : ComponentActivity() { + override fun onCreate(savedInstanceState: Bundle?) { + super.onCreate(savedInstanceState) + setContent { MeetRecScreen() } + } +} + +@OptIn(ExperimentalMaterial3Api::class) +@Composable +fun MeetRecScreen() { + val context = LocalContext.current + val scope = rememberCoroutineScope() + + var model by remember { mutableStateOf("tiny") } + var modelMenu by remember { mutableStateOf(false) } + var language by remember { mutableStateOf("") } + var status by remember { mutableStateOf("Select a model, download and load it.") } + var busy by remember { mutableStateOf(false) } + var engine by remember { mutableStateOf(null) } + var wavName by remember { mutableStateOf(null) } + var wavSamples by remember { mutableStateOf(null) } + var segments by remember { mutableStateOf>(emptyList()) } + + val modelsDir = remember { File(context.filesDir, "models") } + val modelFile = ModelDownloader.modelFile(model, modelsDir) + + fun runBusy(block: suspend () -> T) { + if (busy) return + busy = true + scope.launch { + try { + block() + } catch (e: Exception) { + status = "Failed: ${e.message}" + } finally { + busy = false + } + } + } + + val pickWav = rememberLauncherForActivityResult( + ActivityResultContracts.OpenDocument() + ) { uri -> + if (uri == null) return@rememberLauncherForActivityResult + runBusy { + val name = context.contentResolver + .query(uri, arrayOf(OpenableColumns.DISPLAY_NAME), null, null, null) + ?.use { c -> if (c.moveToFirst()) c.getString(0) else "audio" } + ?: "audio" + val samples = withContext(Dispatchers.IO) { + context.contentResolver.openInputStream(uri)!!.use { WavReader.read(it) } + } + wavName = name + wavSamples = samples + segments = emptyList() + status = "$name: ${samples.size / WavReader.TARGET_RATE} s @ 16 kHz" + } + } + + Column( + modifier = Modifier.fillMaxSize().padding(16.dp), + verticalArrangement = Arrangement.spacedBy(12.dp), + ) { + Text("MeetRec", style = MaterialTheme.typography.headlineSmall) + + // model + language + Row(horizontalArrangement = Arrangement.spacedBy(12.dp)) { + ExposedDropdownMenuBox( + expanded = modelMenu, + onExpandedChange = { modelMenu = it }, + modifier = Modifier.weight(1f), + ) { + OutlinedTextField( + value = model, + onValueChange = {}, + readOnly = true, + label = { Text("Model") }, + trailingIcon = { ExposedDropdownMenuDefaults.TrailingIcon(modelMenu) }, + modifier = Modifier.menuAnchor().fillMaxWidth(), + ) + ExposedDropdownMenu(expanded = modelMenu, onDismissRequest = { modelMenu = false }) { + ModelDownloader.MODELS.keys.forEach { name -> + DropdownMenuItem( + text = { Text(name) }, + onClick = { model = name; modelMenu = false }, + ) + } + } + } + OutlinedTextField( + value = language, + onValueChange = { language = it.trim() }, + label = { Text("Language") }, + placeholder = { Text("auto") }, + modifier = Modifier.weight(1f), + ) + } + + // model actions + Row(horizontalArrangement = Arrangement.spacedBy(12.dp)) { + Button( + onClick = { + runBusy { + ModelDownloader.download(model, modelsDir) { done, total -> + status = if (total > 0) "Downloading $model: $done / $total bytes" + else "Downloading $model: $done bytes" + } + status = "Model $model ready at ${modelFile.name}" + } + }, + enabled = !busy && !modelFile.isFile, + ) { Text("Download") } + Button( + onClick = { + runBusy { + engine?.close() + withContext(Dispatchers.Default) { + engine = WhisperEngine.load(modelFile.absolutePath) + } + status = "$model loaded (${WhisperEngine.DEFAULT_THREADS} threads)" + } + }, + enabled = !busy && modelFile.isFile, + ) { Text("Load engine") } + } + + // wav + transcribe actions + Row(horizontalArrangement = Arrangement.spacedBy(12.dp)) { + OutlinedButton( + onClick = { pickWav.launch(arrayOf("audio/*", "application/octet-stream")) }, + enabled = !busy, + ) { Text(if (wavName == null) "Pick WAV file" else "Pick another WAV") } + Button( + onClick = { + val samples = wavSamples + val eng = engine + if (samples != null && eng != null) { + runBusy { + val start = System.currentTimeMillis() + val segs = withContext(Dispatchers.Default) { + eng.transcribe( + samples, + beamSize = 5, + language = language.ifBlank { null }, + ) + } + segments = segs + val secs = (System.currentTimeMillis() - start) / 1000.0 + status = "${segs.size} segments in $secs s (audio " + + "${samples.size / WavReader.TARGET_RATE} s)" + } + } + }, + enabled = !busy && engine != null && wavSamples != null, + ) { Text("Transcribe") } + } + + if (segments.isNotEmpty()) { + OutlinedButton(onClick = { + val text = segments.joinToString("\n") { + "[${fmtMs(it.startMs)}] ${it.text}" + } + context.startActivity( + Intent.createChooser( + Intent(Intent.ACTION_SEND) + .setType("text/plain") + .putExtra(Intent.EXTRA_TEXT, text), + "Share transcript", + ) + ) + }) { Text("Share transcript") } + } + + Text(status, style = MaterialTheme.typography.bodySmall) + if (busy) CircularProgressIndicator() + + LazyColumn(modifier = Modifier.fillMaxWidth().weight(1f)) { + items(segments) { seg -> + Column(Modifier.fillMaxWidth().padding(vertical = 4.dp)) { + Text( + "${fmtMs(seg.startMs)} – ${fmtMs(seg.endMs)}", + style = MaterialTheme.typography.labelSmall, + ) + Text(seg.text, style = MaterialTheme.typography.bodyMedium) + } + } + } + } +} + +private fun fmtMs(ms: Long): String { + val total = ms / 1000 + return "%02d:%02d".format(total / 60, total % 60) +} \ No newline at end of file diff --git a/android/app/src/main/java/com/meetrec/android/ModelDownloader.kt b/android/app/src/main/java/com/meetrec/android/ModelDownloader.kt new file mode 100644 index 0000000..88b4feb --- /dev/null +++ b/android/app/src/main/java/com/meetrec/android/ModelDownloader.kt @@ -0,0 +1,73 @@ +package com.meetrec.android + +import kotlinx.coroutines.Dispatchers +import kotlinx.coroutines.withContext +import java.io.BufferedOutputStream +import java.io.File +import java.io.FileOutputStream +import java.net.HttpURLConnection +import java.net.URL + +/** + * Downloads Whisper GGML models from Hugging Face into app-private storage. + * Same files the desktop app uses, so both sides share one model ecosystem. + */ +object ModelDownloader { + + val MODELS = linkedMapOf( + "tiny" to "ggml-tiny.bin", + "base" to "ggml-base.bin", + "small" to "ggml-small.bin", + "medium" to "ggml-medium.bin", + "large-v3" to "ggml-large-v3.bin", + ) + + private const val BASE_URL = "https://huggingface.co/ggerganov/whisper.cpp/resolve/main/" + + fun modelFile(modelName: String, dir: File): File = File(dir, MODELS.getValue(modelName)) + + fun isDownloaded(modelName: String, dir: File): Boolean = + modelFile(modelName, dir).let { it.isFile && it.length() > 0 } + + /** + * Downloads [modelName] into [dir] (no-op if already present). + * [onProgress] gets (bytesDone, totalBytes-or-0). Throws on failure. + */ + suspend fun download( + modelName: String, + dir: File, + onProgress: suspend (Long, Long) -> Unit = { _, _ -> }, + ): File = withContext(Dispatchers.IO) { + val dest = modelFile(modelName, dir) + if (isDownloaded(modelName, dir)) return@withContext dest + dir.mkdirs() + val tmp = File(dir, dest.name + ".part") + + val conn = URL(BASE_URL + MODELS.getValue(modelName)) + .openConnection() as HttpURLConnection + conn.connectTimeout = 15_000 + conn.readTimeout = 60_000 + conn.instanceFollowRedirects = true + conn.setRequestProperty("User-Agent", "meetrec-android") + try { + val total = conn.contentLengthLong + conn.inputStream.use { ins -> + BufferedOutputStream(FileOutputStream(tmp)).use { out -> + val buf = ByteArray(64 * 1024) + var done = 0L + while (true) { + val r = ins.read(buf) + if (r < 0) break + out.write(buf, 0, r) + done += r + onProgress(done, if (total > 0) total else 0L) + } + } + } + } finally { + conn.disconnect() + } + if (!tmp.renameTo(dest)) error("could not finalize model download") + dest + } +} \ No newline at end of file diff --git a/android/app/src/main/java/com/meetrec/android/WavReader.kt b/android/app/src/main/java/com/meetrec/android/WavReader.kt new file mode 100644 index 0000000..ea2f9e2 --- /dev/null +++ b/android/app/src/main/java/com/meetrec/android/WavReader.kt @@ -0,0 +1,107 @@ +package com.meetrec.android + +import java.io.InputStream + +/** + * Reads a PCM WAV file into 16 kHz mono float32 — the format Whisper wants. + * + * Supports 16-bit PCM and 32-bit IEEE-float WAVs of any channel count and + * sample rate (multi-channel is averaged, rates are linearly resampled). + * Pure Kotlin so it is unit-testable on the JVM. + */ +object WavReader { + + const val TARGET_RATE = 16000 + + fun read(input: InputStream): FloatArray { + val data = input.readBytes() + require(data.size > 44) { "file too small to be a WAV" } + require(String(data, 0, 4) == "RIFF" && String(data, 8, 4) == "WAVE") { + "not a RIFF/WAVE file" + } + + var channels = 0 + var sampleRate = 0 + var audioFormat = 0 + var bitsPerSample = 0 + var samples: FloatArray? = null + + var pos = 12 + while (pos + 8 <= data.size) { + val id = String(data, pos, 4) + val size = leInt(data, pos + 4) + val body = pos + 8 + when (id) { + "fmt " -> { + audioFormat = leInt(data, body) + channels = leInt(data, body + 2) + sampleRate = leInt(data, body + 4) + bitsPerSample = leInt(data, body + 14) + } + "data" -> { + val fmt = audioFormat + require(fmt == 1 || fmt == 3) { + "unsupported WAV audio format $fmt (need PCM or IEEE float)" + } + require(bitsPerSample == 16 || bitsPerSample == 32) { + "unsupported bit depth $bitsPerSample (need 16 or 32)" + } + require(channels > 0 && sampleRate > 0) { "malformed fmt chunk" } + val len = minOf(size, data.size - body) + samples = decode(data, body, len, fmt, bitsPerSample, channels) + } + } + pos = body + size + (size and 1) // chunks are word-aligned + } + + val mono = samples ?: error("no data chunk found") + return if (sampleRate == TARGET_RATE) mono else resample(mono, sampleRate, TARGET_RATE) + } + + private fun decode( + data: ByteArray, body: Int, len: Int, + audioFormat: Int, bits: Int, channels: Int, + ): FloatArray { + val bytesPerSample = bits / 8 + val frames = len / (bytesPerSample * channels) + val out = FloatArray(frames) + for (f in 0 until frames) { + var acc = 0f + for (c in 0 until channels) { + val o = body + (f * channels + c) * bytesPerSample + acc += when { + audioFormat == 1 && bits == 16 -> + ((data[o].toInt() and 0xFF) or (data[o + 1].toInt() shl 8)) / 32768f + audioFormat == 1 && bits == 32 -> + leInt(data, o) / 2147483648f + audioFormat == 3 && bits == 32 -> + Float.fromBits(leInt(data, o)) + else -> 0f + } + } + out[f] = acc / channels + } + return out + } + + private fun resample(x: FloatArray, from: Int, to: Int): FloatArray { + if (x.isEmpty()) return x + val n = (x.size.toDouble() * to / from).toInt().coerceAtLeast(1) + val out = FloatArray(n) + val step = from.toDouble() / to + for (i in 0 until n) { + val t = i * step + val i0 = t.toInt().coerceAtMost(x.size - 1) + val i1 = (i0 + 1).coerceAtMost(x.size - 1) + val frac = (t - i0).toFloat() + out[i] = x[i0] * (1f - frac) + x[i1] * frac + } + return out + } + + private fun leInt(b: ByteArray, off: Int): Int = + (b[off].toInt() and 0xFF) or + ((b[off + 1].toInt() and 0xFF) shl 8) or + ((b[off + 2].toInt() and 0xFF) shl 16) or + ((b[off + 3].toInt() and 0xFF) shl 24) +} \ No newline at end of file diff --git a/android/build.gradle.kts b/android/build.gradle.kts new file mode 100644 index 0000000..def2eaf --- /dev/null +++ b/android/build.gradle.kts @@ -0,0 +1,6 @@ +// Root build file — plugin versions come from gradle/libs.versions.toml. +plugins { + alias(libs.plugins.android.application) apply false + alias(libs.plugins.android.library) apply false + alias(libs.plugins.kotlin.compose) apply false +} \ No newline at end of file diff --git a/android/core/whisper/build.gradle.kts b/android/core/whisper/build.gradle.kts new file mode 100644 index 0000000..142324a --- /dev/null +++ b/android/core/whisper/build.gradle.kts @@ -0,0 +1,30 @@ +plugins { + alias(libs.plugins.android.library) +} + +android { + namespace = "com.meetrec.core.whisper" + compileSdk = 36 + + defaultConfig { + minSdk = 29 + ndk { + // Fairphone 6 (and virtually all current phones) are arm64. + abiFilters += "arm64-v8a" + } + } + + compileOptions { + sourceCompatibility = JavaVersion.VERSION_17 + targetCompatibility = JavaVersion.VERSION_17 + } + + externalNativeBuild { + cmake { + path = file("src/main/cpp/CMakeLists.txt") + version = "3.22.1" + } + } + + ndkVersion = "27.1.12297006" +} \ No newline at end of file diff --git a/android/core/whisper/src/main/cpp/CMakeLists.txt b/android/core/whisper/src/main/cpp/CMakeLists.txt new file mode 100644 index 0000000..97c5dba --- /dev/null +++ b/android/core/whisper/src/main/cpp/CMakeLists.txt @@ -0,0 +1,57 @@ +# MeetRec whisper JNI — builds whisper.cpp (CPU backend) for Android. +# +# Mirrors the approach of whisper.cpp's own Android example: compile +# src/whisper.cpp directly and build ggml via FetchContent, instead of +# add_subdirectory-ing the full whisper.cpp CMake tree. + +cmake_minimum_required(VERSION 3.22) +project(meetrec_whisper LANGUAGES C CXX) + +set(CMAKE_CXX_STANDARD 17) + +set(WHISPER_CPP "${CMAKE_CURRENT_SOURCE_DIR}/../../../../../third_party/whisper.cpp") +if(NOT EXISTS "${WHISPER_CPP}/src/whisper.cpp") + message(FATAL_ERROR + "whisper.cpp sources not found at ${WHISPER_CPP}. " + "Run ./tools/fetch-whisper.sh from the android/ directory first.") +endif() + +set(SOURCE_FILES + ${WHISPER_CPP}/src/whisper.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/whisper_jni.cpp) + +find_library(LOG_LIB log) + +include(FetchContent) +FetchContent_Declare(ggml SOURCE_DIR ${WHISPER_CPP}/ggml) +FetchContent_MakeAvailable(ggml) + +add_library(whisper_jni SHARED ${SOURCE_FILES}) + +# whisper.cpp's src/whisper.cpp returns WHISPER_VERSION from +# whisper_print_system_info(); its own CMake normally defines it. +file(READ "${WHISPER_CPP}/CMakeLists.txt" _WC_MAIN) +if(_WC_MAIN MATCHES + "set\\(WHISPER_VERSION_MAJOR ([0-9]+)\\).*\nset\\(WHISPER_VERSION_MINOR ([0-9]+)\\).*\nset\\(WHISPER_VERSION_PATCH ([0-9]+)\\)") + set(WHISPER_VERSION "${CMAKE_MATCH_1}.${CMAKE_MATCH_2}.${CMAKE_MATCH_3}") +else() + set(WHISPER_VERSION "unknown") +endif() +message(STATUS "whisper.cpp version: ${WHISPER_VERSION}") +target_compile_definitions(whisper_jni PRIVATE WHISPER_VERSION="${WHISPER_VERSION}") + +# CPU (NEON) backend only for now; GPU/QNN acceleration is a stretch goal. +target_compile_definitions(whisper_jni PUBLIC GGML_USE_CPU) + +if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug") + target_compile_options(whisper_jni PRIVATE -O3 -fvisibility=hidden) + target_link_options(whisper_jni PRIVATE + -Wl,--gc-sections -Wl,--exclude-libs,ALL -flto) +endif() + +target_include_directories(whisper_jni PRIVATE + ${WHISPER_CPP}/include + ${WHISPER_CPP}/src + ${WHISPER_CPP}/ggml/include) + +target_link_libraries(whisper_jni PRIVATE ${LOG_LIB} android ggml) \ No newline at end of file diff --git a/android/core/whisper/src/main/cpp/whisper_jni.cpp b/android/core/whisper/src/main/cpp/whisper_jni.cpp new file mode 100644 index 0000000..3dd7fbf --- /dev/null +++ b/android/core/whisper/src/main/cpp/whisper_jni.cpp @@ -0,0 +1,103 @@ +// whisper_jni.cpp — JNI bridge between WhisperEngine.kt and whisper.cpp. +// +// Extended from whisper.cpp's Android example (examples/whisper.android): +// adds beam-size, thread-count and language parameters, which the stock +// example wrapper does not expose. + +#include +#include +#include + +#include "whisper.h" + +#define TAG "meetrec-whisper" +#define LOGI( ... ) __android_log_print ( ANDROID_LOG_INFO, TAG, __VA_ARGS__ ) + +namespace { + +whisper_context *as_ctx ( jlong ptr ) { return reinterpret_cast ( ptr ); } + +} // namespace + +extern "C" { + +JNIEXPORT jlong JNICALL Java_com_meetrec_core_whisper_LibWhisper_initContext ( JNIEnv *env, jobject, + jstring model_path ) { + const char *path = env->GetStringUTFChars ( model_path, nullptr ); + struct whisper_context_params cparams = whisper_context_default_params(); + cparams.use_gpu = false; // CPU (NEON) build; GPU is a stretch goal + whisper_context *ctx = whisper_init_from_file_with_params ( path, cparams ); + env->ReleaseStringUTFChars ( model_path, path ); + if ( ctx == nullptr ) { + LOGI ( "failed to load model" ); + } + return reinterpret_cast ( ctx ); +} + +JNIEXPORT void JNICALL Java_com_meetrec_core_whisper_LibWhisper_freeContext ( JNIEnv *, jobject, jlong ptr ) { + whisper_free ( as_ctx ( ptr ) ); +} + +JNIEXPORT jboolean JNICALL Java_com_meetrec_core_whisper_LibWhisper_fullTranscribe ( JNIEnv *env, jobject, jlong ptr, + jint threads, jint beam_size, + jstring language, + jfloatArray audio ) { + whisper_context *ctx = as_ctx ( ptr ); + if ( ctx == nullptr ) { + return JNI_FALSE; + } + + struct whisper_full_params params = beam_size > 1 ? whisper_full_default_params ( WHISPER_SAMPLING_BEAM_SEARCH ) + : whisper_full_default_params ( WHISPER_SAMPLING_GREEDY ); + params.n_threads = threads > 0 ? threads : 4; + params.beam_search.beam_size = beam_size > 1 ? beam_size : 0; // 0 = greedy + params.translate = false; + params.print_progress = false; + params.print_special = false; + params.print_realtime = false; + params.print_timestamps = false; + + const char *lang = nullptr; + if ( language != nullptr ) { + lang = env->GetStringUTFChars ( language, nullptr ); + params.language = lang; + } + + jfloat *pcm = env->GetFloatArrayElements ( audio, nullptr ); + const jsize n = env->GetArrayLength ( audio ); + + const int rc = whisper_full ( ctx, params, pcm, n ); + + env->ReleaseFloatArrayElements ( audio, pcm, JNI_ABORT ); + if ( lang != nullptr ) { + env->ReleaseStringUTFChars ( language, lang ); + } + + if ( rc != 0 ) { + LOGI ( "whisper_full failed with rc=%d", rc ); + return JNI_FALSE; + } + return JNI_TRUE; +} + +JNIEXPORT jint JNICALL Java_com_meetrec_core_whisper_LibWhisper_getTextSegmentCount ( JNIEnv *, jobject, jlong ptr ) { + return whisper_full_n_segments ( as_ctx ( ptr ) ); +} + +JNIEXPORT jlong JNICALL Java_com_meetrec_core_whisper_LibWhisper_getTextSegmentStartMs ( JNIEnv *, jobject, jlong ptr, + jint index ) { + // whisper.cpp timestamps are in centiseconds + return whisper_full_get_segment_t0 ( as_ctx ( ptr ), index ) * 10; +} + +JNIEXPORT jlong JNICALL Java_com_meetrec_core_whisper_LibWhisper_getTextSegmentEndMs ( JNIEnv *, jobject, jlong ptr, + jint index ) { + return whisper_full_get_segment_t1 ( as_ctx ( ptr ), index ) * 10; +} + +JNIEXPORT jstring JNICALL Java_com_meetrec_core_whisper_LibWhisper_getTextSegment ( JNIEnv *env, jobject, jlong ptr, + jint index ) { + return env->NewStringUTF ( whisper_full_get_segment_text ( as_ctx ( ptr ), index ) ); +} + +} // extern "C" diff --git a/android/core/whisper/src/main/java/com/meetrec/core/whisper/LibWhisper.kt b/android/core/whisper/src/main/java/com/meetrec/core/whisper/LibWhisper.kt new file mode 100644 index 0000000..13053d6 --- /dev/null +++ b/android/core/whisper/src/main/java/com/meetrec/core/whisper/LibWhisper.kt @@ -0,0 +1,32 @@ +package com.meetrec.core.whisper + +/** + * Raw JNI bindings into libwhisper_jni.so. + * + * Pointers to native whisper_context are passed as Long tokens; nothing + * here is safe to call from multiple threads concurrently (the native + * context is single-threaded by design) — use [WhisperEngine] instead. + */ +internal object LibWhisper { + init { + System.loadLibrary("whisper_jni") + } + + /** Returns 0 on failure. */ + external fun initContext(modelPath: String): Long + + external fun freeContext(ptr: Long) + + /** Runs whisper_full on 16 kHz mono float PCM. Returns false on failure. */ + external fun fullTranscribe( + ptr: Long, threads: Int, beamSize: Int, language: String?, audio: FloatArray, + ): Boolean + + external fun getTextSegmentCount(ptr: Long): Int + + external fun getTextSegmentStartMs(ptr: Long, index: Int): Long + + external fun getTextSegmentEndMs(ptr: Long, index: Int): Long + + external fun getTextSegment(ptr: Long, index: Int): String +} \ No newline at end of file diff --git a/android/core/whisper/src/main/java/com/meetrec/core/whisper/WhisperEngine.kt b/android/core/whisper/src/main/java/com/meetrec/core/whisper/WhisperEngine.kt new file mode 100644 index 0000000..57165d7 --- /dev/null +++ b/android/core/whisper/src/main/java/com/meetrec/core/whisper/WhisperEngine.kt @@ -0,0 +1,77 @@ +package com.meetrec.core.whisper + +/** + * On-device Whisper transcription via whisper.cpp (CPU/NEON). + * + * Mirrors the desktop meetrec engine contract: audio in is 16 kHz mono + * float32, segments out carry start/end timestamps and text. + * + * A loaded engine is heavyweight (the whole GGML model lives in native + * memory) and NOT thread-safe: all calls on a given instance must be + * serialized. Call [close] to free the native context when done. + */ +class WhisperEngine private constructor( + private val ptr: Long, + val modelPath: String, +) : AutoCloseable { + + data class Segment(val startMs: Long, val endMs: Long, val text: String) + + @Volatile + private var closed = false + + /** + * Transcribes [audio] (16 kHz mono float32, range roughly [-1, 1]). + * + * Blocking and CPU-heavy — call from a worker dispatcher, not the UI + * thread. [threads] defaults to all big cores; [beamSize] > 1 uses beam + * search (final-pass quality), 1 uses greedy (live-pass speed). + * [language] is an ISO code like "en"/"de", or null to autodetect. + */ + @Synchronized + fun transcribe( + audio: FloatArray, + threads: Int = DEFAULT_THREADS, + beamSize: Int = 5, + language: String? = null, + ): List { + check(!closed) { "engine is closed" } + check(ptr != 0L) { "engine failed to load" } + check(audio.isNotEmpty()) { "empty audio" } + + val ok = LibWhisper.fullTranscribe(ptr, threads, beamSize, language, audio) + check(ok) { "whisper_full failed (corrupt model file?)" } + + val n = LibWhisper.getTextSegmentCount(ptr) + return (0 until n).map { i -> + Segment( + startMs = LibWhisper.getTextSegmentStartMs(ptr, i), + endMs = LibWhisper.getTextSegmentEndMs(ptr, i), + text = LibWhisper.getTextSegment(ptr, i).trim(), + ) + } + } + + @Synchronized + override fun close() { + if (!closed) { + closed = true + if (ptr != 0L) LibWhisper.freeContext(ptr) + } + } + + protected fun finalize() = close() + + companion object { + /** Big cores; on the Fairphone 6 (SD 7s Gen 3) that is 4. */ + val DEFAULT_THREADS: Int = + Runtime.getRuntime().availableProcessors().coerceAtMost(4) + + /** Loads a GGML model; throws IllegalStateException on failure. */ + fun load(modelPath: String): WhisperEngine { + val ptr = LibWhisper.initContext(modelPath) + check(ptr != 0L) { "failed to load model: $modelPath" } + return WhisperEngine(ptr, modelPath) + } + } +} \ No newline at end of file diff --git a/android/gradle.properties b/android/gradle.properties new file mode 100644 index 0000000..bf3ecf1 --- /dev/null +++ b/android/gradle.properties @@ -0,0 +1,8 @@ +# JVM args for the Gradle daemon (whisper.cpp needs headroom for NDK builds). +org.gradle.jvmargs=-Xmx4g -Dfile.encoding=UTF-8 +org.gradle.parallel=true + +android.useAndroidX=true +android.nonTransitiveRClass=true + +kotlin.code.style=official \ No newline at end of file diff --git a/android/gradle/libs.versions.toml b/android/gradle/libs.versions.toml new file mode 100644 index 0000000..c7e3f69 --- /dev/null +++ b/android/gradle/libs.versions.toml @@ -0,0 +1,21 @@ +[versions] +agp = "9.4.0" +kotlin = "2.4.10" +coroutines = "1.11.0" +coreKtx = "1.18.0" +activityCompose = "1.13.0" +composeBom = "2026.06.01" + +[libraries] +androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" } +androidx-activity-compose = { group = "androidx.activity", name = "activity-compose", version.ref = "activityCompose" } +androidx-compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "composeBom" } +androidx-compose-ui = { group = "androidx.compose.ui", name = "ui" } +androidx-compose-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview" } +androidx-compose-material3 = { group = "androidx.compose.material3", name = "material3" } +kotlinx-coroutines-android = { group = "org.jetbrains.kotlinx", name = "kotlinx-coroutines-android", version.ref = "coroutines" } + +[plugins] +android-application = { id = "com.android.application", version.ref = "agp" } +android-library = { id = "com.android.library", version.ref = "agp" } +kotlin-compose = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" } \ No newline at end of file diff --git a/android/gradle/wrapper/gradle-wrapper.jar b/android/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..eddabd2 Binary files /dev/null and b/android/gradle/wrapper/gradle-wrapper.jar differ diff --git a/android/gradle/wrapper/gradle-wrapper.properties b/android/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..ad7845b --- /dev/null +++ b/android/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,9 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-9.7.1-bin.zip +networkTimeout=10000 +retries=0 +retryBackOffMs=500 +validateDistributionUrl=true +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/android/gradlew b/android/gradlew new file mode 100755 index 0000000..249efbb --- /dev/null +++ b/android/gradlew @@ -0,0 +1,248 @@ +#!/bin/sh + +# +# Copyright © 2015 the original authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +# SPDX-License-Identifier: Apache-2.0 +# + +############################################################################## +# +# gradlew start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh gradlew +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/3d91ce3b8caaf77ad09f381f43615b715b53f72c/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +# This is normally unused +# shellcheck disable=SC2034 +APP_BASE_NAME=${0##*/} +# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036) +APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + if ! command -v java >/dev/null 2>&1 + then + die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Collect all arguments for the java command: +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments, +# and any embedded shellness will be escaped. +# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be +# treated as '${Hostname}' itself on the command line. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \ + "$@" + +# Stop when "xargs" is not available. +if ! command -v xargs >/dev/null 2>&1 +then + die "xargs is not available" +fi + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/android/gradlew.bat b/android/gradlew.bat new file mode 100644 index 0000000..8508ef6 --- /dev/null +++ b/android/gradlew.bat @@ -0,0 +1,82 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem +@rem SPDX-License-Identifier: Apache-2.0 +@rem + +@if "%DEBUG%"=="" @echo off +@rem ########################################################################## +@rem +@rem gradlew startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables, and ensure extensions are enabled +setlocal EnableExtensions + +set DIRNAME=%~dp0 +if "%DIRNAME%"=="" set DIRNAME=. +@rem This is normally unused +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if %ERRORLEVEL% equ 0 goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +"%COMSPEC%" /c exit 1 + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +"%COMSPEC%" /c exit 1 + +:execute +@rem Setup the command line + + + +@rem Execute gradlew +@rem endlocal doesn't take effect until after the line is parsed and variables are expanded +@rem which allows us to clear the local environment before executing the java command +endlocal & "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %* & call :exitWithErrorLevel + +:exitWithErrorLevel +@rem Use "%COMSPEC%" /c exit to allow operators to work properly in scripts +"%COMSPEC%" /c exit %ERRORLEVEL% diff --git a/android/settings.gradle.kts b/android/settings.gradle.kts new file mode 100644 index 0000000..44d9773 --- /dev/null +++ b/android/settings.gradle.kts @@ -0,0 +1,19 @@ +pluginManagement { + repositories { + google() + mavenCentral() + gradlePluginPortal() + } +} + +dependencyResolutionManagement { + repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS) + repositories { + google() + mavenCentral() + } +} + +rootProject.name = "meetrec" +include(":app") +include(":core:whisper") \ No newline at end of file diff --git a/android/tools/fetch-whisper.sh b/android/tools/fetch-whisper.sh new file mode 100755 index 0000000..5ba61e3 --- /dev/null +++ b/android/tools/fetch-whisper.sh @@ -0,0 +1,18 @@ +#!/usr/bin/env bash +# +# fetch-whisper.sh — vendor the whisper.cpp sources needed for the NDK build. +# Pinned to a release tag so the JNI layer never breaks on master churn. + +set -euo pipefail + +TAG="v1.9.3" +REPO="https://github.com/ggml-org/whisper.cpp" +DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)/third_party" + +mkdir -p "$DIR" +if [ -f "$DIR/whisper.cpp/src/whisper.cpp" ]; then + echo "whisper.cpp already present at $DIR/whisper.cpp" +else + echo "cloning whisper.cpp $TAG into $DIR/whisper.cpp ..." + git clone --depth 1 --branch "$TAG" "$REPO" "$DIR/whisper.cpp" +fi \ No newline at end of file