| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * 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 |
| * |
| * http://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. |
| */ |
| package com.google.android.exoplayer2; |
| |
| import android.os.SystemClock; |
| import android.text.TextUtils; |
| import androidx.annotation.IntDef; |
| import androidx.annotation.Nullable; |
| import com.google.android.exoplayer2.RendererCapabilities.FormatSupport; |
| import com.google.android.exoplayer2.source.MediaSource; |
| import com.google.android.exoplayer2.util.Assertions; |
| import java.io.IOException; |
| import java.lang.annotation.Documented; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| |
| /** |
| * Thrown when a non-recoverable playback failure occurs. |
| */ |
| public final class ExoPlaybackException extends Exception { |
| |
| /** |
| * The type of source that produced the error. One of {@link #TYPE_SOURCE}, {@link #TYPE_RENDERER} |
| * {@link #TYPE_UNEXPECTED}, {@link #TYPE_REMOTE} or {@link #TYPE_OUT_OF_MEMORY}. Note that new |
| * types may be added in the future and error handling should handle unknown type values. |
| */ |
| @Documented |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef({TYPE_SOURCE, TYPE_RENDERER, TYPE_UNEXPECTED, TYPE_REMOTE, TYPE_OUT_OF_MEMORY}) |
| public @interface Type {} |
| /** |
| * The error occurred loading data from a {@link MediaSource}. |
| * <p> |
| * Call {@link #getSourceException()} to retrieve the underlying cause. |
| */ |
| public static final int TYPE_SOURCE = 0; |
| /** |
| * The error occurred in a {@link Renderer}. |
| * <p> |
| * Call {@link #getRendererException()} to retrieve the underlying cause. |
| */ |
| public static final int TYPE_RENDERER = 1; |
| /** |
| * The error was an unexpected {@link RuntimeException}. |
| * <p> |
| * Call {@link #getUnexpectedException()} to retrieve the underlying cause. |
| */ |
| public static final int TYPE_UNEXPECTED = 2; |
| /** |
| * The error occurred in a remote component. |
| * |
| * <p>Call {@link #getMessage()} to retrieve the message associated with the error. |
| */ |
| public static final int TYPE_REMOTE = 3; |
| /** The error was an {@link OutOfMemoryError}. */ |
| public static final int TYPE_OUT_OF_MEMORY = 4; |
| |
| /** The {@link Type} of the playback failure. */ |
| @Type public final int type; |
| |
| /** If {@link #type} is {@link #TYPE_RENDERER}, this is the name of the renderer. */ |
| @Nullable public final String rendererName; |
| |
| /** If {@link #type} is {@link #TYPE_RENDERER}, this is the index of the renderer. */ |
| public final int rendererIndex; |
| |
| /** |
| * If {@link #type} is {@link #TYPE_RENDERER}, this is the {@link Format} the renderer was using |
| * at the time of the exception, or null if the renderer wasn't using a {@link Format}. |
| */ |
| @Nullable public final Format rendererFormat; |
| |
| /** |
| * If {@link #type} is {@link #TYPE_RENDERER}, this is the level of {@link FormatSupport} of the |
| * renderer for {@link #rendererFormat}. If {@link #rendererFormat} is null, this is {@link |
| * RendererCapabilities#FORMAT_HANDLED}. |
| */ |
| @FormatSupport public final int rendererFormatSupport; |
| |
| /** The value of {@link SystemClock#elapsedRealtime()} when this exception was created. */ |
| public final long timestampMs; |
| |
| @Nullable private final Throwable cause; |
| |
| /** |
| * Creates an instance of type {@link #TYPE_SOURCE}. |
| * |
| * @param cause The cause of the failure. |
| * @return The created instance. |
| */ |
| public static ExoPlaybackException createForSource(IOException cause) { |
| return new ExoPlaybackException(TYPE_SOURCE, cause); |
| } |
| |
| /** |
| * Creates an instance of type {@link #TYPE_RENDERER}. |
| * |
| * @param cause The cause of the failure. |
| * @param rendererIndex The index of the renderer in which the failure occurred. |
| * @param rendererFormat The {@link Format} the renderer was using at the time of the exception, |
| * or null if the renderer wasn't using a {@link Format}. |
| * @param rendererFormatSupport The {@link FormatSupport} of the renderer for {@code |
| * rendererFormat}. Ignored if {@code rendererFormat} is null. |
| * @return The created instance. |
| */ |
| public static ExoPlaybackException createForRenderer( |
| Exception cause, |
| String rendererName, |
| int rendererIndex, |
| @Nullable Format rendererFormat, |
| @FormatSupport int rendererFormatSupport) { |
| return new ExoPlaybackException( |
| TYPE_RENDERER, |
| cause, |
| /* customMessage= */ null, |
| rendererName, |
| rendererIndex, |
| rendererFormat, |
| rendererFormat == null ? RendererCapabilities.FORMAT_HANDLED : rendererFormatSupport); |
| } |
| |
| /** |
| * Creates an instance of type {@link #TYPE_UNEXPECTED}. |
| * |
| * @param cause The cause of the failure. |
| * @return The created instance. |
| */ |
| public static ExoPlaybackException createForUnexpected(RuntimeException cause) { |
| return new ExoPlaybackException(TYPE_UNEXPECTED, cause); |
| } |
| |
| /** |
| * Creates an instance of type {@link #TYPE_REMOTE}. |
| * |
| * @param message The message associated with the error. |
| * @return The created instance. |
| */ |
| public static ExoPlaybackException createForRemote(String message) { |
| return new ExoPlaybackException(TYPE_REMOTE, message); |
| } |
| |
| /** |
| * Creates an instance of type {@link #TYPE_OUT_OF_MEMORY}. |
| * |
| * @param cause The cause of the failure. |
| * @return The created instance. |
| */ |
| public static ExoPlaybackException createForOutOfMemoryError(OutOfMemoryError cause) { |
| return new ExoPlaybackException(TYPE_OUT_OF_MEMORY, cause); |
| } |
| |
| private ExoPlaybackException(@Type int type, Throwable cause) { |
| this( |
| type, |
| cause, |
| /* customMessage= */ null, |
| /* rendererName= */ null, |
| /* rendererIndex= */ C.INDEX_UNSET, |
| /* rendererFormat= */ null, |
| /* rendererFormatSupport= */ RendererCapabilities.FORMAT_HANDLED); |
| } |
| |
| private ExoPlaybackException(@Type int type, String message) { |
| this( |
| type, |
| /* cause= */ null, |
| /* customMessage= */ message, |
| /* rendererName= */ null, |
| /* rendererIndex= */ C.INDEX_UNSET, |
| /* rendererFormat= */ null, |
| /* rendererFormatSupport= */ RendererCapabilities.FORMAT_HANDLED); |
| } |
| |
| private ExoPlaybackException( |
| @Type int type, |
| @Nullable Throwable cause, |
| @Nullable String customMessage, |
| @Nullable String rendererName, |
| int rendererIndex, |
| @Nullable Format rendererFormat, |
| @FormatSupport int rendererFormatSupport) { |
| super( |
| deriveMessage( |
| type, |
| customMessage, |
| rendererName, |
| rendererIndex, |
| rendererFormat, |
| rendererFormatSupport), |
| cause); |
| this.type = type; |
| this.cause = cause; |
| this.rendererName = rendererName; |
| this.rendererIndex = rendererIndex; |
| this.rendererFormat = rendererFormat; |
| this.rendererFormatSupport = rendererFormatSupport; |
| timestampMs = SystemClock.elapsedRealtime(); |
| } |
| |
| /** |
| * Retrieves the underlying error when {@link #type} is {@link #TYPE_SOURCE}. |
| * |
| * @throws IllegalStateException If {@link #type} is not {@link #TYPE_SOURCE}. |
| */ |
| public IOException getSourceException() { |
| Assertions.checkState(type == TYPE_SOURCE); |
| return (IOException) Assertions.checkNotNull(cause); |
| } |
| |
| /** |
| * Retrieves the underlying error when {@link #type} is {@link #TYPE_RENDERER}. |
| * |
| * @throws IllegalStateException If {@link #type} is not {@link #TYPE_RENDERER}. |
| */ |
| public Exception getRendererException() { |
| Assertions.checkState(type == TYPE_RENDERER); |
| return (Exception) Assertions.checkNotNull(cause); |
| } |
| |
| /** |
| * Retrieves the underlying error when {@link #type} is {@link #TYPE_UNEXPECTED}. |
| * |
| * @throws IllegalStateException If {@link #type} is not {@link #TYPE_UNEXPECTED}. |
| */ |
| public RuntimeException getUnexpectedException() { |
| Assertions.checkState(type == TYPE_UNEXPECTED); |
| return (RuntimeException) Assertions.checkNotNull(cause); |
| } |
| |
| /** |
| * Retrieves the underlying error when {@link #type} is {@link #TYPE_OUT_OF_MEMORY}. |
| * |
| * @throws IllegalStateException If {@link #type} is not {@link #TYPE_OUT_OF_MEMORY}. |
| */ |
| public OutOfMemoryError getOutOfMemoryError() { |
| Assertions.checkState(type == TYPE_OUT_OF_MEMORY); |
| return (OutOfMemoryError) Assertions.checkNotNull(cause); |
| } |
| |
| @Nullable |
| private static String deriveMessage( |
| @Type int type, |
| @Nullable String customMessage, |
| @Nullable String rendererName, |
| int rendererIndex, |
| @Nullable Format rendererFormat, |
| @FormatSupport int rendererFormatSupport) { |
| @Nullable String message; |
| switch (type) { |
| case TYPE_SOURCE: |
| message = "Source error"; |
| break; |
| case TYPE_RENDERER: |
| message = |
| rendererName |
| + " error" |
| + ", index=" |
| + rendererIndex |
| + ", format=" |
| + rendererFormat |
| + ", format_supported=" |
| + RendererCapabilities.getFormatSupportString(rendererFormatSupport); |
| break; |
| case TYPE_REMOTE: |
| message = "Remote error"; |
| break; |
| case TYPE_OUT_OF_MEMORY: |
| message = "Out of memory error"; |
| break; |
| case TYPE_UNEXPECTED: |
| default: |
| message = "Unexpected runtime error"; |
| break; |
| } |
| if (!TextUtils.isEmpty(customMessage)) { |
| message += ": " + customMessage; |
| } |
| return message; |
| } |
| } |