-
-
Notifications
You must be signed in to change notification settings - Fork 429
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[Audio] Add piped audio stream and fix raw PCM streams format (#3960)
* [Audio] Add piped audio stream and fix pcm format usage Signed-off-by: Miguel Álvarez <miguelwork92@gmail.com>
- Loading branch information
Showing
4 changed files
with
347 additions
and
128 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
283 changes: 283 additions & 0 deletions
283
bundles/org.openhab.core.audio/src/main/java/org/openhab/core/audio/PipedAudioStream.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,283 @@ | ||
| /** | ||
| * Copyright (c) 2010-2024 Contributors to the openHAB project | ||
| * | ||
| * See the NOTICE file(s) distributed with this work for additional | ||
| * information. | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License 2.0 which is available at | ||
| * http://www.eclipse.org/legal/epl-2.0 | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| */ | ||
| package org.openhab.core.audio; | ||
|
|
||
| import java.io.IOException; | ||
| import java.io.InterruptedIOException; | ||
| import java.io.OutputStream; | ||
| import java.io.PipedInputStream; | ||
| import java.io.PipedOutputStream; | ||
| import java.util.LinkedList; | ||
| import java.util.Objects; | ||
| import java.util.concurrent.ConcurrentLinkedQueue; | ||
| import java.util.concurrent.atomic.AtomicBoolean; | ||
|
|
||
| import org.eclipse.jdt.annotation.NonNullByDefault; | ||
| import org.eclipse.jdt.annotation.Nullable; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| /** | ||
| * This is an implementation of an {@link AudioStream} used to transmit raw audio data to a sink. | ||
| * | ||
| * It just pipes the audio through it, the default pipe size is equal to 0.5 seconds of audio, | ||
| * the implementation locks if you set a pipe size lower to the byte length used to write. | ||
| * | ||
| * In order to support audio multiplex out of the box you should create a {@link PipedAudioStream.Group} instance | ||
| * which can be used to create the {@link PipedAudioStream} connected to it and then write to all of them though the | ||
| * group. | ||
| * | ||
| * @author Miguel Álvarez Díez - Initial contribution | ||
| */ | ||
| @NonNullByDefault | ||
| public class PipedAudioStream extends AudioStream { | ||
| private final AudioFormat format; | ||
| private final PipedInputStream pipedInput; | ||
| private final PipedOutputStream pipedOutput; | ||
| private final AtomicBoolean closed = new AtomicBoolean(false); | ||
| private final LinkedList<Runnable> onCloseChain = new LinkedList<>(); | ||
|
|
||
| protected PipedAudioStream(AudioFormat format, int pipeSize, PipedOutputStream outputStream) throws IOException { | ||
| this.pipedOutput = outputStream; | ||
| this.pipedInput = new PipedInputStream(outputStream, pipeSize); | ||
| this.format = format; | ||
| } | ||
|
|
||
| @Override | ||
| public AudioFormat getFormat() { | ||
| return this.format; | ||
| } | ||
|
|
||
| @Override | ||
| public int read() throws IOException { | ||
| if (closed.get()) { | ||
| return -1; | ||
| } | ||
| return pipedInput.read(); | ||
| } | ||
|
|
||
| @Override | ||
| public int read(byte @Nullable [] b) throws IOException { | ||
| if (closed.get()) { | ||
| return -1; | ||
| } | ||
| return pipedInput.read(b); | ||
| } | ||
|
|
||
| @Override | ||
| public int read(byte @Nullable [] b, int off, int len) throws IOException { | ||
| if (closed.get()) { | ||
| return -1; | ||
| } | ||
| return pipedInput.read(b, off, len); | ||
| } | ||
|
|
||
| @Override | ||
| public void close() throws IOException { | ||
| if (closed.getAndSet(true)) { | ||
| return; | ||
| } | ||
| if (this.onCloseChain.size() > 0) { | ||
| this.onCloseChain.forEach(Runnable::run); | ||
| this.onCloseChain.clear(); | ||
| } | ||
| pipedOutput.close(); | ||
| pipedInput.close(); | ||
| } | ||
|
|
||
| /** | ||
| * Add a new handler that will be executed on stream close. | ||
| * It will be chained to the previous handler if any, and executed in order. | ||
| * | ||
| * @param onClose block to run on stream close | ||
| */ | ||
| public void onClose(Runnable onClose) { | ||
| this.onCloseChain.add(onClose); | ||
| } | ||
|
|
||
| protected PipedOutputStream getOutputStream() { | ||
| return pipedOutput; | ||
| } | ||
|
|
||
| /** | ||
| * Creates a new piped stream group used to open new streams and write data to them. | ||
| * | ||
| * Internal pipe size is 0.5s. | ||
| * | ||
| * @param format the audio format of the group audio streams | ||
| * @return a group instance | ||
| */ | ||
| public static Group newGroup(AudioFormat format) { | ||
| int pipeSize = Math.round(( // | ||
| (float) Objects.requireNonNull(format.getFrequency()) * // | ||
| (float) Objects.requireNonNull(format.getBitDepth()) * // | ||
| (float) Objects.requireNonNull(format.getChannels()) // | ||
| ) / 2f); | ||
| return new Group(format, pipeSize); | ||
| } | ||
|
|
||
| /** | ||
| * Creates a new piped stream group used to open new streams and write data to them. | ||
| * | ||
| * @param format the audio format of the group audio streams | ||
| * @param pipeSize the pipe size of the created streams | ||
| * @return a piped stream group instance | ||
| */ | ||
| public static Group newGroup(AudioFormat format, int pipeSize) { | ||
| return new Group(format, pipeSize); | ||
| } | ||
|
|
||
| /** | ||
| * The {@link PipedAudioStream.Group} is an {@link OutputStream} implementation that can be use to | ||
| * create one or more {@link PipedAudioStream} instances and write to them at once. | ||
| * | ||
| * The created {@link PipedAudioStream} instances are removed from the group when closed. | ||
| */ | ||
| public static class Group extends OutputStream { | ||
| private final int pipeSize; | ||
| private final AudioFormat format; | ||
| private final ConcurrentLinkedQueue<PipedAudioStream> openPipes = new ConcurrentLinkedQueue<>(); | ||
| private final Logger logger = LoggerFactory.getLogger(Group.class); | ||
|
|
||
| protected Group(AudioFormat format, int pipeSize) { | ||
| this.pipeSize = pipeSize; | ||
| this.format = format; | ||
| } | ||
|
|
||
| /** | ||
| * Creates a new {@link PipedAudioStream} connected to the group. | ||
| * The stream unregisters itself from the group on close. | ||
| * | ||
| * @return a new {@link PipedAudioStream} to pipe data written to the group | ||
| * @throws IOException when unable to create the stream | ||
| */ | ||
| public PipedAudioStream getAudioStreamInGroup() throws IOException { | ||
| var pipedOutput = new PipedOutputStream(); | ||
| var audioStream = new PipedAudioStream(format, pipeSize, pipedOutput); | ||
| if (!openPipes.add(audioStream)) { | ||
| audioStream.close(); | ||
| throw new IOException("Unable to add new piped stream to group"); | ||
| } | ||
| audioStream.onClose(() -> { | ||
| if (!openPipes.remove(audioStream)) { | ||
| logger.warn("Trying to remove an unregistered stream, this is not expected"); | ||
| } | ||
| }); | ||
| return audioStream; | ||
| } | ||
|
|
||
| /** | ||
| * Returns true if this group has no streams connected. | ||
| * | ||
| * @return true if this group has no streams connected | ||
| */ | ||
| public boolean isEmpty() { | ||
| return openPipes.isEmpty(); | ||
| } | ||
|
|
||
| /** | ||
| * Returns the number of streams connected. | ||
| * | ||
| * @return the number of streams connected | ||
| */ | ||
| public int size() { | ||
| return openPipes.size(); | ||
| } | ||
|
|
||
| @Override | ||
| public void write(byte @Nullable [] b, int off, int len) { | ||
| synchronized (openPipes) { | ||
| for (var pipe : openPipes) { | ||
| try { | ||
| pipe.getOutputStream().write(b, off, len); | ||
| } catch (InterruptedIOException e) { | ||
| logger.warn("InterruptedIOException while writing to pipe: {}", e.getMessage()); | ||
| } catch (IOException e) { | ||
| logger.warn("IOException while writing to pipe: {}", e.getMessage()); | ||
| } catch (RuntimeException e) { | ||
| logger.warn("RuntimeException while writing to pipe: {}", e.getMessage()); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void write(int b) throws IOException { | ||
| synchronized (openPipes) { | ||
| for (var pipe : openPipes) { | ||
| try { | ||
| pipe.getOutputStream().write(b); | ||
| } catch (InterruptedIOException e) { | ||
| logger.warn("InterruptedIOException while writing to pipe: {}", e.getMessage()); | ||
| } catch (IOException e) { | ||
| logger.warn("IOException while writing to pipe: {}", e.getMessage()); | ||
| } catch (RuntimeException e) { | ||
| logger.warn("RuntimeException while writing to pipe: {}", e.getMessage()); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void write(byte @Nullable [] bytes) { | ||
| synchronized (openPipes) { | ||
| for (var pipe : openPipes) { | ||
| try { | ||
| pipe.getOutputStream().write(bytes); | ||
| } catch (InterruptedIOException e) { | ||
| logger.warn("InterruptedIOException on pipe flush: {}", e.getMessage()); | ||
| } catch (IOException e) { | ||
| logger.warn("IOException on pipe flush: {}", e.getMessage()); | ||
| } catch (RuntimeException e) { | ||
| logger.warn("RuntimeException on pipe flush: {}", e.getMessage()); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void flush() { | ||
| synchronized (openPipes) { | ||
| for (var pipe : openPipes) { | ||
| try { | ||
| pipe.getOutputStream().flush(); | ||
| } catch (InterruptedIOException e) { | ||
| logger.warn("InterruptedIOException while writing to pipe: {}", e.getMessage()); | ||
| } catch (IOException e) { | ||
| logger.warn("IOException while writing to pipe: {}", e.getMessage()); | ||
| } catch (RuntimeException e) { | ||
| logger.warn("RuntimeException while writing to pipe: {}", e.getMessage()); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void close() { | ||
| synchronized (openPipes) { | ||
| for (var pipe : openPipes) { | ||
| try { | ||
| pipe.close(); | ||
| } catch (InterruptedIOException e) { | ||
| logger.warn("InterruptedIOException closing pipe: {}", e.getMessage()); | ||
| } catch (IOException e) { | ||
| logger.warn("IOException closing pipe: {}", e.getMessage()); | ||
| } catch (RuntimeException e) { | ||
| logger.warn("RuntimeException closing pipe: {}", e.getMessage()); | ||
| } | ||
| } | ||
| openPipes.clear(); | ||
| } | ||
| } | ||
| } | ||
| } |
Oops, something went wrong.