commit 3c66c078c71584583dba0810d340dd0970c3612c Author: loliball <26589867+loliball@users.noreply.github.com> Date: Sat Sep 7 21:07:10 2024 +0800 迁移到gradle diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..b63da45 --- /dev/null +++ b/.gitignore @@ -0,0 +1,42 @@ +.gradle +build/ +!gradle/wrapper/gradle-wrapper.jar +!**/src/main/**/build/ +!**/src/test/**/build/ + +### IntelliJ IDEA ### +.idea/modules.xml +.idea/jarRepositories.xml +.idea/compiler.xml +.idea/libraries/ +*.iws +*.iml +*.ipr +out/ +!**/src/main/**/out/ +!**/src/test/**/out/ + +### Eclipse ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache +bin/ +!**/src/main/**/bin/ +!**/src/test/**/bin/ + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ + +### VS Code ### +.vscode/ + +### Mac OS ### +.DS_Store \ No newline at end of file diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 0000000..13566b8 --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,8 @@ +# Default ignored files +/shelf/ +/workspace.xml +# Editor-based HTTP Client requests +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml diff --git a/.idea/gradle.xml b/.idea/gradle.xml new file mode 100644 index 0000000..14746e7 --- /dev/null +++ b/.idea/gradle.xml @@ -0,0 +1,16 @@ + + + + + + \ No newline at end of file diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml new file mode 100644 index 0000000..47e48ac --- /dev/null +++ b/.idea/inspectionProfiles/Project_Default.xml @@ -0,0 +1,3585 @@ + + + + \ No newline at end of file diff --git a/.idea/kotlinc.xml b/.idea/kotlinc.xml new file mode 100644 index 0000000..fe63bb6 --- /dev/null +++ b/.idea/kotlinc.xml @@ -0,0 +1,6 @@ + + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 0000000..fae6c8e --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,10 @@ + + + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000..94a25f7 --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/build.gradle.kts b/build.gradle.kts new file mode 100644 index 0000000..1f464fc --- /dev/null +++ b/build.gradle.kts @@ -0,0 +1,23 @@ +plugins { + kotlin("jvm") version "1.9.23" +} + +group = "loli.ball" +version = "1.0-SNAPSHOT" + +repositories { + mavenCentral() +} + +dependencies { + implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.9.0-RC.2") + implementation("io.github.jaredmdobson:concentus:1.0.2") + testImplementation(kotlin("test")) +} + +tasks.test { + useJUnitPlatform() +} +kotlin { + jvmToolchain(17) +} \ No newline at end of file diff --git a/gradle.properties b/gradle.properties new file mode 100644 index 0000000..7fc6f1f --- /dev/null +++ b/gradle.properties @@ -0,0 +1 @@ +kotlin.code.style=official diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..249e583 Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..446b937 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,6 @@ +#Sat Sep 07 20:30:58 CST 2024 +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100644 index 0000000..1b6c787 --- /dev/null +++ b/gradlew @@ -0,0 +1,234 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 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. +# + +############################################################################## +# +# Gradle 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 Gradle +# +# 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/master/subprojects/plugins/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 + +APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit + +APP_NAME="Gradle" +APP_BASE_NAME=${0##*/} + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&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 + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$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: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + ulimit -n "$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 "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( 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 + +# Collect all arguments for the java command; +# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of +# shell script including quotes and variable substitutions, so put them in +# double quotes to make sure that they get re-expanded; and +# * put everything else in single quotes, so that it's not re-expanded. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# 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/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..107acd3 --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,89 @@ +@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 + +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%" == "" set DIRNAME=. +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%" == "0" goto execute + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="0" goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/settings.gradle.kts b/settings.gradle.kts new file mode 100644 index 0000000..00cff0c --- /dev/null +++ b/settings.gradle.kts @@ -0,0 +1,5 @@ +plugins { + id("org.gradle.toolchains.foojay-resolver-convention") version "0.5.0" +} +rootProject.name = "VoiceChat2" + diff --git a/src/main/kotlin/AudioConvert.kt b/src/main/kotlin/AudioConvert.kt new file mode 100644 index 0000000..afb5941 --- /dev/null +++ b/src/main/kotlin/AudioConvert.kt @@ -0,0 +1,75 @@ +import javax.sound.sampled.AudioFormat +import kotlin.math.max +import kotlin.math.min + +object AudioConvert { + fun getAudioFormat(sampleRate: Int, channels: Int): AudioFormat { + return AudioFormat( + AudioFormat.Encoding.PCM_SIGNED, + sampleRate.toFloat(), + 16, + channels, + channels * 2, + sampleRate.toFloat(), + false + ) + } + + /** + * 将 float[] 转换为 short 的 byte[]。 + * + * @param input 输入的 float[] 数据 + * @param output 转换后的 byte[] 数据 + */ + fun convertFloatToShortByte(input: FloatArray, output: ByteArray) { + require(input.size * 2 == output.size) { "output byte array length must be twice the length of the input float array." } + + for (i in input.indices) { + // 将 float 值限制在 -1.0 到 1.0 之间 + val sample = min(max(input[i].toDouble(), -1.0), 1.0).toFloat() + + // 将 float 值转换为 short + val shortSample = (sample * 32767).toInt().toShort() + + // 将 short 值转换为两个字节,并存储在 lineBuffer 中 + output[i * 2] = (shortSample.toInt() and 0xFF).toByte() // 低位字节 + output[i * 2 + 1] = ((shortSample.toInt() shr 8) and 0xFF).toByte() // 高位字节 + } + } + + /** + * 将 short 的 byte[] 转换为 float[]。 + * + * @param input 输入的 byte[] 数据(每两个字节表示一个 short) + * @param output 转换后的 float[] 数据 + */ + fun convertShortByteToFloat(input: ByteArray, output: FloatArray) { + require(input.size == output.size * 2) { "Input byte array length must be twice the length of the output float array." } + + for (i in output.indices) { + // 将两个字节转换为 short + val low = input[i * 2].toInt() and 0xFF + val high = input[i * 2 + 1].toInt() and 0xFF + val shortSample = ((high shl 8) or low).toShort() + + // 将 short 值转换为 float + output[i] = shortSample / 32768.0f + } + } + + fun bytes2shorts(input: ByteArray, output: ShortArray) { + for (c in output.indices) { + val low = input[(c * 2)].toInt() and 0xFF + val high = input[(c * 2) + 1].toInt() shl 8 + output[c] = (low or high).toShort() + } + } + + fun shorts2bytes(input: ShortArray, output: ByteArray) { + for (c in input.indices) { + output[c * 2] = (input[c].toInt() and 0xFF).toByte() + output[c * 2 + 1] = ((input[c].toInt() shr 8) and 0xFF).toByte() + } + } + +} diff --git a/src/main/kotlin/Client.kt b/src/main/kotlin/Client.kt new file mode 100644 index 0000000..7d40eae --- /dev/null +++ b/src/main/kotlin/Client.kt @@ -0,0 +1,93 @@ +import io.github.jaredmdobson.concentus.OpusApplication +import io.github.jaredmdobson.concentus.OpusDecoder +import io.github.jaredmdobson.concentus.OpusEncoder +import kotlinx.coroutines.CoroutineScope +import kotlinx.coroutines.Dispatchers +import kotlinx.coroutines.launch +import kotlinx.coroutines.runBlocking +import java.io.IOException +import java.io.ObjectInputStream +import java.io.ObjectOutputStream +import java.io.Serializable +import java.net.InetSocketAddress +import java.net.Socket +import javax.sound.sampled.AudioSystem +import kotlin.system.measureTimeMillis + +class Client { + companion object { + @JvmStatic + fun main(args: Array) { + Client().mainClient() + } + } + + val bufferOut = ByteArray(BUFFER_SIZE) + val targetDataLine = AudioSystem.getTargetDataLine(AUDIO_FORMAT).also { + it.open(AUDIO_FORMAT, bufferOut.size) + it.start() + } + + val bufferIn = ByteArray(BUFFER_SIZE) + val sourceDataLine = AudioSystem.getSourceDataLine(AUDIO_FORMAT).also { + it.open(AUDIO_FORMAT, bufferIn.size) + it.start() + } + + val decoder = OpusDecoder(SAMPLE_RATE, CHANNELS) + val encoder = OpusEncoder(SAMPLE_RATE, CHANNELS, OpusApplication.OPUS_APPLICATION_AUDIO).also { + it.bitrate = OPUS_BITRATE + it.forceMode = OPUS_MODE + it.signalType = OPUS_SIGNAL_TYPE + it.complexity = OPUS_COMPLEXITY + } + + fun mainClient() { + val socket = Socket() + val scope = CoroutineScope(Dispatchers.IO) + + val t = measureTimeMillis { + socket.connect(InetSocketAddress(SERVER_HOST, SERVER_PORT)) + } + "connect time $t".loge() + + val out = ObjectOutputStream(socket.getOutputStream()) + val inp = ObjectInputStream(socket.getInputStream()) + + val recordJob = scope.launch { + while (true) { + targetDataLine.read(bufferOut, 0, bufferOut.size) + try { + out.writeObject(encoder.encode(bufferOut)) + out.flush() + } catch (e: Exception) { + e.printStackTrace() + System.exit(0) + } + } + } + + val playJob = scope.launch { + while (true) { + try { +// if (`in`!!.available() > bufferIn.size * 2) { +// `in`!!.skip(`in`!!.available().toLong() - bufferIn.size) +// println("丢弃") +// } +// `in`!!.read(bufferIn, 0, bufferIn.size) + val dataPack = inp.readObject() as DataPack + decoder.decode(dataPack, bufferIn) + sourceDataLine.write(bufferIn, 0, bufferIn.size) + } catch (e: IOException) { + e.printStackTrace() + System.exit(0) + } + } + } + + runBlocking { + recordJob.join() + playJob.join() + } + } +} diff --git a/src/main/kotlin/DataPack.kt b/src/main/kotlin/DataPack.kt new file mode 100644 index 0000000..d6d82fc --- /dev/null +++ b/src/main/kotlin/DataPack.kt @@ -0,0 +1,10 @@ +import java.io.Serializable + +/** + * Created by LoliBall on 2024/8/31 23:02. + * https://github.com/WhichWho + */ +data class DataPack( + val timestamp: Long, + val opus: ByteArray, +) : Serializable \ No newline at end of file diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt new file mode 100644 index 0000000..b29a5ca --- /dev/null +++ b/src/main/kotlin/Main.kt @@ -0,0 +1,80 @@ +import io.github.jaredmdobson.concentus.* +import kotlinx.coroutines.* +import java.util.concurrent.atomic.AtomicInteger +import javax.print.Doc +import kotlin.concurrent.fixedRateTimer + +/** + * Created by LoliBall on 2024/8/31 5:26. + * https://github.com/WhichWho + */ + +//val SERVER_HOST = "zedo.top" +val SERVER_HOST = "127.0.0.1" +val SERVER_PORT = 7860 +val ECHO_CANCELLATION = false // 回声消除 +val RAW_PCM_PASS = false // 不进行opus压缩pcm直传 + +// 2.5, 5, 10, 20, 40, 60 ms +// 120, 240, 480, 960, 1920, 2880 +val PACKET_SAMPLES = 2880 // 48000Hz * 60ms = 2880 +val SAMPLE_RATE = 48000 // 8000、12000、16000、24000、48000 +val CHANNELS = 1 +val BUFFER_SIZE = PACKET_SAMPLES * CHANNELS * 2 // * 2是short | 48000Hz * 2(short) * 60ms = 5760B +val AUDIO_FORMAT = AudioConvert.getAudioFormat(SAMPLE_RATE, CHANNELS) + +val OPUS_BITRATE = OpusConstants.OPUS_AUTO // 500 - 300000 +val OPUS_COMPLEXITY = 10 // 0: 快,质量差 10: 慢,质量好 +val OPUS_SIGNAL_TYPE = OpusSignal.OPUS_SIGNAL_VOICE +val OPUS_MODE = OpusMode.MODE_HYBRID + + +// 下面是统计用的 +val compressRateOpus = AtomicInteger() +val compressRatePcm = AtomicInteger() + +fun main(args: Array) { + val scope = CoroutineScope(Dispatchers.IO) + scope.launch { + Server.main(emptyArray()) + } + scope.launch { + delay(1000) // 等服务器起来 + Client.main(emptyArray()) + } + fixedRateTimer(period = 1000) { + "compress rate: %.2f%%".format(compressRateOpus.get() * 100f / compressRatePcm.get()).loge() + compressRateOpus.set(0) + compressRatePcm.set(0) + } +} + +val encodeOpusBuffer = mutableMapOf() +val encodePcmShortBuffer = mutableMapOf() + +// 1275是opus单帧包最大值 +fun OpusEncoder.encode(pcm: ByteArray): DataPack { + if (RAW_PCM_PASS) { + return DataPack(System.currentTimeMillis(), pcm.copyOf()) + } + val opusBuffer = encodeOpusBuffer[this] ?: ByteArray(1275).also { encodeOpusBuffer[this] = it } + val shortBuffer = encodePcmShortBuffer[this] ?: ShortArray(pcm.size / 2).also { encodePcmShortBuffer[this] = it } + AudioConvert.bytes2shorts(pcm, shortBuffer) + val bytesEncoded = encode(shortBuffer, 0, PACKET_SAMPLES, opusBuffer, 0, opusBuffer.size) + compressRatePcm.addAndGet(pcm.size) + compressRateOpus.addAndGet(bytesEncoded) + return DataPack(System.currentTimeMillis(), opusBuffer.sliceArray(0..() +fun OpusDecoder.decode(pack: DataPack, pcm: ByteArray) { + if (RAW_PCM_PASS) { + pack.opus.copyInto(pcm) + return + } + val shortBuffer = decodePcmShortBuffer[this] ?: ShortArray(pcm.size / 2).also { decodePcmShortBuffer[this] = it } + decode(pack.opus, 0, pack.opus.size, shortBuffer, 0, PACKET_SAMPLES, false) + AudioConvert.shorts2bytes(shortBuffer, pcm) +} + +fun T.loge() = also { println(this) } \ No newline at end of file diff --git a/src/main/kotlin/Server.kt b/src/main/kotlin/Server.kt new file mode 100644 index 0000000..a3f3710 --- /dev/null +++ b/src/main/kotlin/Server.kt @@ -0,0 +1,111 @@ +import io.github.jaredmdobson.concentus.OpusApplication +import io.github.jaredmdobson.concentus.OpusDecoder +import io.github.jaredmdobson.concentus.OpusEncoder +import kotlinx.coroutines.CoroutineScope +import kotlinx.coroutines.Dispatchers +import kotlinx.coroutines.launch +import java.io.IOException +import java.io.ObjectInputStream +import java.io.ObjectOutputStream +import java.net.ServerSocket +import java.net.Socket +import java.util.* +import java.util.concurrent.CopyOnWriteArrayList + +val clientAudios = CopyOnWriteArrayList() + +object Server { + + @JvmStatic + fun main(args: Array) { + mainServer() + } + + fun mainServer() { + + val scope = CoroutineScope(Dispatchers.IO) + scope.launch { + while (true) { + for (client in clientAudios) { + if (!client.isConnected) { + clientAudios -= client + continue + } + client.read() + } + + for (client in clientAudios) { + launch { + for (audio in clientAudios) { + if (audio != client || !ECHO_CANCELLATION) { + client.mix(audio.sample) + } + } + client.send() + } + } + } + } + + val sever = ServerSocket(SERVER_PORT) + while (true) { + val socket = sever.accept() + println("Accepted connection from " + socket.remoteSocketAddress) + clientAudios += ClientAudio(socket) + } + } + +} + +class ClientAudio(val socket: Socket) { + + val inp = ObjectInputStream(socket.getInputStream()) + val out = ObjectOutputStream(socket.getOutputStream()) + val buffer = ByteArray(BUFFER_SIZE) + val sample = FloatArray(PACKET_SAMPLES) + val mixSample = FloatArray(PACKET_SAMPLES) + val mixBuffer = ByteArray(BUFFER_SIZE) + + val decoder = OpusDecoder(SAMPLE_RATE, CHANNELS) + val encoder = OpusEncoder(SAMPLE_RATE, CHANNELS, OpusApplication.OPUS_APPLICATION_AUDIO).also { + it.bitrate = OPUS_BITRATE + it.forceMode = OPUS_MODE + it.signalType = OPUS_SIGNAL_TYPE + it.complexity = OPUS_COMPLEXITY + } + + var isConnected = true + + fun send() { + try { + AudioConvert.convertFloatToShortByte(mixSample, mixBuffer) + out.writeObject(encoder.encode(mixBuffer)) + out.flush() + } catch (e: IOException) { + isConnected = false + } + } + + fun read() { + try { +// if (`in`!!.available() > bufferIn.size * 2) { +// `in`!!.skip(`in`!!.available().toLong() - bufferIn.size) +// println("丢弃") +// } +// `in`.read(buffer) + val pack = inp.readObject() as DataPack +// println("延迟: ${System.currentTimeMillis() - timestamp}ms") + decoder.decode(pack, buffer) + AudioConvert.convertShortByteToFloat(buffer, sample) + Arrays.fill(mixSample, 0f) + } catch (e: IOException) { + isConnected = false + } + } + + fun mix(sample: FloatArray) { + for (i in sample.indices) { + mixSample[i] += sample[i] + } + } +}