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Only pass RendererCapabilities to TrackSelectors
We should only give a TrackSelector access to what it needs, not the whole Renderer. This is particular true if [] happens, since more Renderer methods will become publicly visible. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=127526473
This commit is contained in:
olly
Oliver Woodman
parent
97d9c94c1a
commit
7c551081f5
6 changed files with 251 additions and 213 deletions
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@ -20,7 +20,6 @@ import com.google.android.exoplayer2.decoder.DecoderInputBuffer;
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import com.google.android.exoplayer2.source.SampleStream;
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import com.google.android.exoplayer2.util.Assertions;
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import com.google.android.exoplayer2.util.MediaClock;
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import com.google.android.exoplayer2.util.MimeTypes;
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import java.io.IOException;
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@ -35,64 +34,7 @@ import java.io.IOException;
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* alt="Renderer state transitions"
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* border="0"/></p>
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*/
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public abstract class Renderer implements ExoPlayerComponent {
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/**
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* A mask to apply to the result of {@link #supportsFormat(Format)} to obtain one of
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* {@link #FORMAT_HANDLED}, {@link #FORMAT_EXCEEDS_CAPABILITIES},
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* {@link #FORMAT_UNSUPPORTED_SUBTYPE} and {@link #FORMAT_UNSUPPORTED_TYPE}.
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*/
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public static final int FORMAT_SUPPORT_MASK = 0b11;
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/**
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* The {@link Renderer} is capable of rendering the format.
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*/
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public static final int FORMAT_HANDLED = 0b11;
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/**
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* The {@link Renderer} is capable of rendering formats with the same mimeType, but the
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* properties of the format exceed the renderer's capability.
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* <p>
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* Example: The {@link Renderer} is capable of rendering H264 and the format's mimeType is
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* {@link MimeTypes#VIDEO_H264}, but the format's resolution exceeds the maximum limit supported
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* by the underlying H264 decoder.
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*/
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public static final int FORMAT_EXCEEDS_CAPABILITIES = 0b10;
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/**
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* The {@link Renderer} is a general purpose renderer for formats of the same top-level type,
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* but is not capable of rendering the format or any other format with the same mimeType because
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* the sub-type is not supported.
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* <p>
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* Example: The {@link Renderer} is a general purpose audio renderer and the format's
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* mimeType matches audio/[subtype], but there does not exist a suitable decoder for [subtype].
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*/
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public static final int FORMAT_UNSUPPORTED_SUBTYPE = 0b01;
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/**
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* The {@link Renderer} is not capable of rendering the format, either because it does not
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* support the format's top-level type, or because it's a specialized renderer for a different
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* mimeType.
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* <p>
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* Example: The {@link Renderer} is a general purpose video renderer, but the format has an
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* audio mimeType.
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*/
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public static final int FORMAT_UNSUPPORTED_TYPE = 0b00;
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/**
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* A mask to apply to the result of {@link #supportsFormat(Format)} to obtain one of
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* {@link #ADAPTIVE_SEAMLESS}, {@link #ADAPTIVE_NOT_SEAMLESS} and {@link #ADAPTIVE_NOT_SUPPORTED}.
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*/
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public static final int ADAPTIVE_SUPPORT_MASK = 0b1100;
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/**
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* The {@link Renderer} can seamlessly adapt between formats.
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*/
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public static final int ADAPTIVE_SEAMLESS = 0b1000;
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/**
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* The {@link Renderer} can adapt between formats, but may suffer a brief discontinuity
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* (~50-100ms) when adaptation occurs.
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*/
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public static final int ADAPTIVE_NOT_SEAMLESS = 0b0100;
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/**
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* The {@link Renderer} does not support adaptation between formats.
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*/
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public static final int ADAPTIVE_NOT_SUPPORTED = 0b0000;
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public abstract class Renderer implements ExoPlayerComponent, RendererCapabilities {
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/**
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* The renderer is disabled.
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@ -158,19 +100,6 @@ public abstract class Renderer implements ExoPlayerComponent {
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return state;
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}
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/**
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* Returns the extent to which the renderer supports adapting between supported formats that have
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* different mimeTypes.
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*
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* @return The extent to which the renderer supports adapting between supported formats that have
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* different mimeTypes. One of {@link #ADAPTIVE_SEAMLESS}, {@link #ADAPTIVE_NOT_SEAMLESS} and
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* {@link #ADAPTIVE_NOT_SUPPORTED}.
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* @throws ExoPlaybackException If an error occurs.
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*/
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public int supportsMixedMimeTypeAdaptation() throws ExoPlaybackException {
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return ADAPTIVE_NOT_SUPPORTED;
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}
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/**
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* Enable the renderer to consume from the specified {@link SampleStream}.
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*
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@ -382,36 +311,6 @@ public abstract class Renderer implements ExoPlayerComponent {
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// Abstract methods.
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/**
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* Returns the track type that the renderer handles. For example, a video renderer will return
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* {@link C#TRACK_TYPE_VIDEO}, an audio renderer will return {@link C#TRACK_TYPE_AUDIO}, a text
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* renderer will return {@link C#TRACK_TYPE_TEXT}, and so on.
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*
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* @return One of the {@code TRACK_TYPE_*} constants defined in {@link C}.
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*/
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public abstract int getTrackType();
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/**
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* Returns the extent to which the renderer supports a given format.
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* <p>
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* The returned value is the bitwise OR of two properties:
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* <ul>
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* <li>The level of support for the format itself. One of {@code}link #FORMAT_HANDLED},
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* {@link #FORMAT_EXCEEDS_CAPABILITIES}, {@link #FORMAT_UNSUPPORTED_SUBTYPE} and
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* {@link #FORMAT_UNSUPPORTED_TYPE}.</li>
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* <li>The level of support for adapting from the format to another format of the same mimeType.
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* One of {@link #ADAPTIVE_SEAMLESS}, {@link #ADAPTIVE_NOT_SEAMLESS} and
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* {@link #ADAPTIVE_NOT_SUPPORTED}.</li>
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* </ul>
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* The individual properties can be retrieved by performing a bitwise AND with
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* {@link #FORMAT_SUPPORT_MASK} and {@link #ADAPTIVE_SUPPORT_MASK} respectively.
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*
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* @param format The format.
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* @return The extent to which the renderer is capable of supporting the given format.
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* @throws ExoPlaybackException If an error occurs.
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*/
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public abstract int supportsFormat(Format format) throws ExoPlaybackException;
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/**
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* Incrementally renders the {@link SampleStream}.
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* <p>
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@ -459,6 +358,13 @@ public abstract class Renderer implements ExoPlayerComponent {
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*/
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protected abstract boolean isEnded();
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// RendererCapabilities implementation
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@Override
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public int supportsMixedMimeTypeAdaptation() throws ExoPlaybackException {
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return ADAPTIVE_NOT_SUPPORTED;
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}
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// ExoPlayerComponent implementation.
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@Override
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@ -0,0 +1,123 @@
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/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.android.exoplayer2;
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import com.google.android.exoplayer2.util.MimeTypes;
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/**
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* Defines the capabilities of a {@link Renderer}.
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*/
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public interface RendererCapabilities {
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/**
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* A mask to apply to the result of {@link #supportsFormat(Format)} to obtain one of
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* {@link #FORMAT_HANDLED}, {@link #FORMAT_EXCEEDS_CAPABILITIES},
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* {@link #FORMAT_UNSUPPORTED_SUBTYPE} and {@link #FORMAT_UNSUPPORTED_TYPE}.
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*/
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int FORMAT_SUPPORT_MASK = 0b11;
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/**
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* The {@link Renderer} is capable of rendering the format.
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*/
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int FORMAT_HANDLED = 0b11;
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/**
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* The {@link Renderer} is capable of rendering formats with the same mimeType, but the
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* properties of the format exceed the renderer's capability.
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* <p>
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* Example: The {@link Renderer} is capable of rendering H264 and the format's mimeType is
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* {@link MimeTypes#VIDEO_H264}, but the format's resolution exceeds the maximum limit supported
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* by the underlying H264 decoder.
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*/
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int FORMAT_EXCEEDS_CAPABILITIES = 0b10;
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/**
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* The {@link Renderer} is a general purpose renderer for formats of the same top-level type,
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* but is not capable of rendering the format or any other format with the same mimeType because
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* the sub-type is not supported.
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* <p>
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* Example: The {@link Renderer} is a general purpose audio renderer and the format's
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* mimeType matches audio/[subtype], but there does not exist a suitable decoder for [subtype].
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*/
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int FORMAT_UNSUPPORTED_SUBTYPE = 0b01;
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/**
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* The {@link Renderer} is not capable of rendering the format, either because it does not
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* support the format's top-level type, or because it's a specialized renderer for a different
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* mimeType.
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* <p>
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* Example: The {@link Renderer} is a general purpose video renderer, but the format has an
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* audio mimeType.
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*/
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int FORMAT_UNSUPPORTED_TYPE = 0b00;
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/**
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* A mask to apply to the result of {@link #supportsFormat(Format)} to obtain one of
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* {@link #ADAPTIVE_SEAMLESS}, {@link #ADAPTIVE_NOT_SEAMLESS} and {@link #ADAPTIVE_NOT_SUPPORTED}.
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*/
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int ADAPTIVE_SUPPORT_MASK = 0b1100;
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/**
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* The {@link Renderer} can seamlessly adapt between formats.
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*/
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int ADAPTIVE_SEAMLESS = 0b1000;
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/**
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* The {@link Renderer} can adapt between formats, but may suffer a brief discontinuity
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* (~50-100ms) when adaptation occurs.
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*/
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int ADAPTIVE_NOT_SEAMLESS = 0b0100;
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/**
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* The {@link Renderer} does not support adaptation between formats.
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*/
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int ADAPTIVE_NOT_SUPPORTED = 0b0000;
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/**
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* Returns the track type that the {@link Renderer} handles. For example, a video renderer will
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* return {@link C#TRACK_TYPE_VIDEO}, an audio renderer will return {@link C#TRACK_TYPE_AUDIO}, a
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* text renderer will return {@link C#TRACK_TYPE_TEXT}, and so on.
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*
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* @return One of the {@code TRACK_TYPE_*} constants defined in {@link C}.
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*/
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int getTrackType();
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/**
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* Returns the extent to which the {@link Renderer} supports a given format.
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* <p>
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* The returned value is the bitwise OR of two properties:
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* <ul>
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* <li>The level of support for the format itself. One of {@code}link #FORMAT_HANDLED},
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* {@link #FORMAT_EXCEEDS_CAPABILITIES}, {@link #FORMAT_UNSUPPORTED_SUBTYPE} and
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* {@link #FORMAT_UNSUPPORTED_TYPE}.</li>
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* <li>The level of support for adapting from the format to another format of the same mimeType.
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* One of {@link #ADAPTIVE_SEAMLESS}, {@link #ADAPTIVE_NOT_SEAMLESS} and
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* {@link #ADAPTIVE_NOT_SUPPORTED}.</li>
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* </ul>
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* The individual properties can be retrieved by performing a bitwise AND with
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* {@link #FORMAT_SUPPORT_MASK} and {@link #ADAPTIVE_SUPPORT_MASK} respectively.
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*
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* @param format The format.
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* @return The extent to which the renderer is capable of supporting the given format.
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* @throws ExoPlaybackException If an error occurs.
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*/
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int supportsFormat(Format format) throws ExoPlaybackException;
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/**
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* Returns the extent to which the {@link Renderer} supports adapting between supported formats
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* that have different mimeTypes.
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*
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* @return The extent to which the renderer supports adapting between supported formats that have
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* different mimeTypes. One of {@link #ADAPTIVE_SEAMLESS}, {@link #ADAPTIVE_NOT_SEAMLESS} and
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* {@link #ADAPTIVE_NOT_SUPPORTED}.
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* @throws ExoPlaybackException If an error occurs.
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*/
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int supportsMixedMimeTypeAdaptation() throws ExoPlaybackException;
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}
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@ -18,7 +18,7 @@ package com.google.android.exoplayer2.trackselection;
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import com.google.android.exoplayer2.C;
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import com.google.android.exoplayer2.ExoPlaybackException;
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import com.google.android.exoplayer2.Format;
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import com.google.android.exoplayer2.Renderer;
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import com.google.android.exoplayer2.RendererCapabilities;
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import com.google.android.exoplayer2.source.TrackGroup;
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import com.google.android.exoplayer2.source.TrackGroupArray;
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import com.google.android.exoplayer2.util.Util;
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@ -131,15 +131,15 @@ public class DefaultTrackSelector extends MappingTrackSelector {
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// TrackSelectionPolicy implementation.
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@Override
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protected TrackSelection[] selectTracks(Renderer[] renderers,
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protected TrackSelection[] selectTracks(RendererCapabilities[] rendererCapabilities,
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TrackGroupArray[] rendererTrackGroupArrays, int[][][] rendererFormatSupports)
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throws ExoPlaybackException {
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// Make a track selection for each renderer.
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TrackSelection[] rendererTrackSelections = new TrackSelection[renderers.length];
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for (int i = 0; i < renderers.length; i++) {
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switch (renderers[i].getTrackType()) {
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TrackSelection[] rendererTrackSelections = new TrackSelection[rendererCapabilities.length];
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for (int i = 0; i < rendererCapabilities.length; i++) {
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switch (rendererCapabilities[i].getTrackType()) {
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case C.TRACK_TYPE_VIDEO:
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rendererTrackSelections[i] = selectTrackForVideoRenderer(renderers[i],
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rendererTrackSelections[i] = selectTrackForVideoRenderer(rendererCapabilities[i],
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rendererTrackGroupArrays[i], rendererFormatSupports[i], maxVideoWidth, maxVideoHeight,
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allowNonSeamlessAdaptiveness, allowMixedMimeAdaptiveness);
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if (rendererTrackSelections[i] == null && exceedVideoConstraintsIfNecessary) {
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@ -166,15 +166,16 @@ public class DefaultTrackSelector extends MappingTrackSelector {
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// Video track selection implementation.
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private static TrackSelection selectTrackForVideoRenderer(Renderer renderer,
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TrackGroupArray trackGroups, int[][] formatSupport, int maxVideoWidth, int maxVideoHeight,
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private static TrackSelection selectTrackForVideoRenderer(
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RendererCapabilities rendererCapabilities, TrackGroupArray trackGroups,
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int[][] formatSupport, int maxVideoWidth, int maxVideoHeight,
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boolean allowNonSeamlessAdaptiveness, boolean allowMixedMimeAdaptiveness)
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throws ExoPlaybackException {
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int requiredAdaptiveSupport = allowNonSeamlessAdaptiveness
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? (Renderer.ADAPTIVE_NOT_SEAMLESS | Renderer.ADAPTIVE_SEAMLESS)
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: Renderer.ADAPTIVE_SEAMLESS;
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? (RendererCapabilities.ADAPTIVE_NOT_SEAMLESS | RendererCapabilities.ADAPTIVE_SEAMLESS)
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: RendererCapabilities.ADAPTIVE_SEAMLESS;
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boolean allowMixedMimeTypes = allowMixedMimeAdaptiveness
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&& (renderer.supportsMixedMimeTypeAdaptation() & requiredAdaptiveSupport) != 0;
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&& (rendererCapabilities.supportsMixedMimeTypeAdaptation() & requiredAdaptiveSupport) != 0;
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int largestAdaptiveGroup = -1;
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int[] largestAdaptiveGroupTracks = NO_TRACKS;
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for (int i = 0; i < trackGroups.length; i++) {
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@ -356,7 +357,8 @@ public class DefaultTrackSelector extends MappingTrackSelector {
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}
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private static boolean isSupported(int formatSupport) {
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return (formatSupport & Renderer.FORMAT_SUPPORT_MASK) == Renderer.FORMAT_HANDLED;
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return (formatSupport & RendererCapabilities.FORMAT_SUPPORT_MASK)
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== RendererCapabilities.FORMAT_HANDLED;
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}
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private static boolean formatHasLanguage(Format format, String language) {
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@ -17,7 +17,7 @@ package com.google.android.exoplayer2.trackselection;
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import com.google.android.exoplayer2.ExoPlaybackException;
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import com.google.android.exoplayer2.Format;
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import com.google.android.exoplayer2.Renderer;
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import com.google.android.exoplayer2.RendererCapabilities;
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import com.google.android.exoplayer2.source.TrackGroup;
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import com.google.android.exoplayer2.source.TrackGroupArray;
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import com.google.android.exoplayer2.util.Assertions;
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@ -35,8 +35,7 @@ import java.util.concurrent.CopyOnWriteArraySet;
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/**
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* Base class for {@link TrackSelector}s that first establish a mapping between {@link TrackGroup}s
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* and {@link Renderer}s, and then from the mapping create {@link TrackSelection}s for each of the
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* {@link Renderer}s.
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* and renderers, and then from that mapping create a {@link TrackSelection} for each renderer.
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*/
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public abstract class MappingTrackSelector extends TrackSelector {
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@ -226,31 +225,32 @@ public abstract class MappingTrackSelector extends TrackSelector {
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}
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@Override
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public final Pair<TrackSelectionArray, Object> selectTracks(Renderer[] renderers,
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TrackGroupArray trackGroups) throws ExoPlaybackException {
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public final Pair<TrackSelectionArray, Object> selectTracks(
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RendererCapabilities[] rendererCapabilities, TrackGroupArray trackGroups)
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throws ExoPlaybackException {
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// Structures into which data will be written during the selection. The extra item at the end
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// of each array is to store data associated with track groups that cannot be associated with
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// any renderer.
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int[] rendererTrackGroupCounts = new int[renderers.length + 1];
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TrackGroup[][] rendererTrackGroups = new TrackGroup[renderers.length + 1][];
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int[][][] rendererFormatSupports = new int[renderers.length + 1][][];
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int[] rendererTrackGroupCounts = new int[rendererCapabilities.length + 1];
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TrackGroup[][] rendererTrackGroups = new TrackGroup[rendererCapabilities.length + 1][];
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int[][][] rendererFormatSupports = new int[rendererCapabilities.length + 1][][];
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for (int i = 0; i < rendererTrackGroups.length; i++) {
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rendererTrackGroups[i] = new TrackGroup[trackGroups.length];
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rendererFormatSupports[i] = new int[trackGroups.length][];
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}
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// Determine the extent to which each renderer supports mixed mimeType adaptation.
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int[] mixedMimeTypeAdaptationSupport = getMixedMimeTypeAdaptationSupport(renderers);
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int[] mixedMimeTypeAdaptationSupport = getMixedMimeTypeAdaptationSupport(rendererCapabilities);
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// Associate each track group to a preferred renderer, and evaluate the support that the
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// renderer provides for each track in the group.
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for (int groupIndex = 0; groupIndex < trackGroups.length; groupIndex++) {
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TrackGroup group = trackGroups.get(groupIndex);
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// Associate the group to a preferred renderer.
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int rendererIndex = findRenderer(renderers, group);
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int rendererIndex = findRenderer(rendererCapabilities, group);
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// Evaluate the support that the renderer provides for each track in the group.
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int[] rendererFormatSupport = rendererIndex == renderers.length ? new int[group.length]
|
||||
: getFormatSupport(renderers[rendererIndex], group);
|
||||
int[] rendererFormatSupport = rendererIndex == rendererCapabilities.length
|
||||
? new int[group.length] : getFormatSupport(rendererCapabilities[rendererIndex], group);
|
||||
// Stash the results.
|
||||
int rendererTrackGroupCount = rendererTrackGroupCounts[rendererIndex];
|
||||
rendererTrackGroups[rendererIndex][rendererTrackGroupCount] = group;
|
||||
|
|
@ -259,8 +259,8 @@ public abstract class MappingTrackSelector extends TrackSelector {
|
|||
}
|
||||
|
||||
// Create a track group array for each renderer, and trim each rendererFormatSupports entry.
|
||||
TrackGroupArray[] rendererTrackGroupArrays = new TrackGroupArray[renderers.length];
|
||||
for (int i = 0; i < renderers.length; i++) {
|
||||
TrackGroupArray[] rendererTrackGroupArrays = new TrackGroupArray[rendererCapabilities.length];
|
||||
for (int i = 0; i < rendererCapabilities.length; i++) {
|
||||
int rendererTrackGroupCount = rendererTrackGroupCounts[i];
|
||||
rendererTrackGroupArrays[i] = new TrackGroupArray(
|
||||
Arrays.copyOf(rendererTrackGroups[i], rendererTrackGroupCount));
|
||||
|
|
@ -268,15 +268,15 @@ public abstract class MappingTrackSelector extends TrackSelector {
|
|||
}
|
||||
|
||||
// Create a track group array for track groups not associated with a renderer.
|
||||
int unassociatedTrackGroupCount = rendererTrackGroupCounts[renderers.length];
|
||||
TrackGroupArray unassociatedTrackGroupArray = new TrackGroupArray(
|
||||
Arrays.copyOf(rendererTrackGroups[renderers.length], unassociatedTrackGroupCount));
|
||||
int unassociatedTrackGroupCount = rendererTrackGroupCounts[rendererCapabilities.length];
|
||||
TrackGroupArray unassociatedTrackGroupArray = new TrackGroupArray(Arrays.copyOf(
|
||||
rendererTrackGroups[rendererCapabilities.length], unassociatedTrackGroupCount));
|
||||
|
||||
TrackSelection[] rendererTrackSelections = selectTracks(renderers, rendererTrackGroupArrays,
|
||||
rendererFormatSupports);
|
||||
TrackSelection[] rendererTrackSelections = selectTracks(rendererCapabilities,
|
||||
rendererTrackGroupArrays, rendererFormatSupports);
|
||||
|
||||
// Apply track disabling and overriding.
|
||||
for (int i = 0; i < renderers.length; i++) {
|
||||
for (int i = 0; i < rendererCapabilities.length; i++) {
|
||||
if (rendererDisabledFlags.get(i)) {
|
||||
rendererTrackSelections[i] = null;
|
||||
} else {
|
||||
|
|
@ -292,8 +292,8 @@ public abstract class MappingTrackSelector extends TrackSelector {
|
|||
// The track selections above index into the track group arrays associated to each renderer,
|
||||
// and not to the original track groups passed to this method. Build the corresponding track
|
||||
// selections into the original track groups to pass back as the final selection.
|
||||
TrackSelection[] trackSelections = new TrackSelection[renderers.length];
|
||||
for (int i = 0; i < renderers.length; i++) {
|
||||
TrackSelection[] trackSelections = new TrackSelection[rendererCapabilities.length];
|
||||
for (int i = 0; i < rendererCapabilities.length; i++) {
|
||||
TrackSelection selection = rendererTrackSelections[i];
|
||||
if (selection != null) {
|
||||
TrackGroup group = rendererTrackGroupArrays[i].get(selection.group);
|
||||
|
|
@ -310,17 +310,18 @@ public abstract class MappingTrackSelector extends TrackSelector {
|
|||
}
|
||||
|
||||
/**
|
||||
* Given an array of {@link Renderer}s and a set of {@link TrackGroup}s mapped to each of
|
||||
* them, provides a {@link TrackSelection} per renderer.
|
||||
* Given an array of renderers and a set of {@link TrackGroup}s mapped to each of them, provides a
|
||||
* {@link TrackSelection} per renderer.
|
||||
*
|
||||
* @param renderers The available {@link Renderer}s.
|
||||
* @param rendererCapabilities The {@link RendererCapabilities} of the renderers for which
|
||||
* {@link TrackSelection}s are to be generated.
|
||||
* @param rendererTrackGroupArrays An array of {@link TrackGroupArray}s where each entry
|
||||
* corresponds to the {@link Renderer} of equal index in {@code renderers}.
|
||||
* corresponds to the renderer of equal index in {@code renderers}.
|
||||
* @param rendererFormatSupports Maps every available track to a specific level of support as
|
||||
* defined by the {@link Renderer} {@code FORMAT_*} constants.
|
||||
* defined by the renderer {@code FORMAT_*} constants.
|
||||
* @throws ExoPlaybackException If an error occurs while selecting the tracks.
|
||||
*/
|
||||
protected abstract TrackSelection[] selectTracks(Renderer[] renderers,
|
||||
protected abstract TrackSelection[] selectTracks(RendererCapabilities[] rendererCapabilities,
|
||||
TrackGroupArray[] rendererTrackGroupArrays, int[][][] rendererFormatSupports)
|
||||
throws ExoPlaybackException;
|
||||
|
||||
|
|
@ -328,33 +329,34 @@ public abstract class MappingTrackSelector extends TrackSelector {
|
|||
* Finds the renderer to which the provided {@link TrackGroup} should be associated.
|
||||
* <p>
|
||||
* A {@link TrackGroup} is associated to a renderer that reports
|
||||
* {@link Renderer#FORMAT_HANDLED} support for one or more of the tracks in the group, or
|
||||
* {@link Renderer#FORMAT_EXCEEDS_CAPABILITIES} if no such renderer exists, or
|
||||
* {@link Renderer#FORMAT_UNSUPPORTED_SUBTYPE} if again no such renderer exists. In the case
|
||||
* that two or more renderers report the same level of support, the renderer with the lowest index
|
||||
* is associated.
|
||||
* {@link RendererCapabilities#FORMAT_HANDLED} support for one or more of the tracks in the group,
|
||||
* or {@link RendererCapabilities#FORMAT_EXCEEDS_CAPABILITIES} if no such renderer exists, or
|
||||
* {@link RendererCapabilities#FORMAT_UNSUPPORTED_SUBTYPE} if again no such renderer exists. In
|
||||
* the case that two or more renderers report the same level of support, the renderer with the
|
||||
* lowest index is associated.
|
||||
* <p>
|
||||
* If all renderers report {@link Renderer#FORMAT_UNSUPPORTED_TYPE} for all of the tracks in
|
||||
* the group, then {@code renderers.length} is returned to indicate that no association was made.
|
||||
* If all renderers report {@link RendererCapabilities#FORMAT_UNSUPPORTED_TYPE} for all of the
|
||||
* tracks in the group, then {@code renderers.length} is returned to indicate that no association
|
||||
* was made.
|
||||
*
|
||||
* @param renderers The renderers from which to select.
|
||||
* @param rendererCapabilities The {@link RendererCapabilities} of the renderers.
|
||||
* @param group The {@link TrackGroup} whose associated renderer is to be found.
|
||||
* @return The index of the associated renderer, or {@code renderers.length} if no association
|
||||
* was made.
|
||||
* @return The index of the associated renderer, or {@code renderers.length} if no
|
||||
* association was made.
|
||||
* @throws ExoPlaybackException If an error occurs finding a renderer.
|
||||
*/
|
||||
private static int findRenderer(Renderer[] renderers, TrackGroup group)
|
||||
private static int findRenderer(RendererCapabilities[] rendererCapabilities, TrackGroup group)
|
||||
throws ExoPlaybackException {
|
||||
int bestRendererIndex = renderers.length;
|
||||
int bestSupportLevel = Renderer.FORMAT_UNSUPPORTED_TYPE;
|
||||
for (int rendererIndex = 0; rendererIndex < renderers.length; rendererIndex++) {
|
||||
Renderer renderer = renderers[rendererIndex];
|
||||
int bestRendererIndex = rendererCapabilities.length;
|
||||
int bestSupportLevel = RendererCapabilities.FORMAT_UNSUPPORTED_TYPE;
|
||||
for (int rendererIndex = 0; rendererIndex < rendererCapabilities.length; rendererIndex++) {
|
||||
RendererCapabilities rendererCapability = rendererCapabilities[rendererIndex];
|
||||
for (int trackIndex = 0; trackIndex < group.length; trackIndex++) {
|
||||
int trackSupportLevel = renderer.supportsFormat(group.getFormat(trackIndex));
|
||||
int trackSupportLevel = rendererCapability.supportsFormat(group.getFormat(trackIndex));
|
||||
if (trackSupportLevel > bestSupportLevel) {
|
||||
bestRendererIndex = rendererIndex;
|
||||
bestSupportLevel = trackSupportLevel;
|
||||
if (bestSupportLevel == Renderer.FORMAT_HANDLED) {
|
||||
if (bestSupportLevel == RendererCapabilities.FORMAT_HANDLED) {
|
||||
// We can't do better.
|
||||
return bestRendererIndex;
|
||||
}
|
||||
|
|
@ -365,38 +367,38 @@ public abstract class MappingTrackSelector extends TrackSelector {
|
|||
}
|
||||
|
||||
/**
|
||||
* Calls {@link Renderer#supportsFormat(Format)} for each track in the specified
|
||||
* Calls {@link RendererCapabilities#supportsFormat(Format)} for each track in the specified
|
||||
* {@link TrackGroup}, returning the results in an array.
|
||||
*
|
||||
* @param renderer The renderer to evaluate.
|
||||
* @param rendererCapabilities The {@link RendererCapabilities} of the renderer.
|
||||
* @param group The {@link TrackGroup} to evaluate.
|
||||
* @return An array containing the result of calling {@link Renderer#supportsFormat(Format)}
|
||||
* on the renderer for each track in the group.
|
||||
* @return An array containing the result of calling
|
||||
* {@link RendererCapabilities#supportsFormat(Format)} for each track in the group.
|
||||
* @throws ExoPlaybackException If an error occurs determining the format support.
|
||||
*/
|
||||
private static int[] getFormatSupport(Renderer renderer, TrackGroup group)
|
||||
private static int[] getFormatSupport(RendererCapabilities rendererCapabilities, TrackGroup group)
|
||||
throws ExoPlaybackException {
|
||||
int[] formatSupport = new int[group.length];
|
||||
for (int i = 0; i < group.length; i++) {
|
||||
formatSupport[i] = renderer.supportsFormat(group.getFormat(i));
|
||||
formatSupport[i] = rendererCapabilities.supportsFormat(group.getFormat(i));
|
||||
}
|
||||
return formatSupport;
|
||||
}
|
||||
|
||||
/**
|
||||
* Calls {@link Renderer#supportsMixedMimeTypeAdaptation()} for each renderer, returning
|
||||
* the results in an array.
|
||||
* Calls {@link RendererCapabilities#supportsMixedMimeTypeAdaptation()} for each renderer,
|
||||
* returning the results in an array.
|
||||
*
|
||||
* @param renderers The renderers to evaluate.
|
||||
* @param rendererCapabilities The {@link RendererCapabilities} of the renderers.
|
||||
* @return An array containing the result of calling
|
||||
* {@link Renderer#supportsMixedMimeTypeAdaptation()} on each renderer.
|
||||
* {@link RendererCapabilities#supportsMixedMimeTypeAdaptation()} for each renderer.
|
||||
* @throws ExoPlaybackException If an error occurs determining the adaptation support.
|
||||
*/
|
||||
private static int[] getMixedMimeTypeAdaptationSupport(Renderer[] renderers)
|
||||
throws ExoPlaybackException {
|
||||
int[] mixedMimeTypeAdaptationSupport = new int[renderers.length];
|
||||
private static int[] getMixedMimeTypeAdaptationSupport(
|
||||
RendererCapabilities[] rendererCapabilities) throws ExoPlaybackException {
|
||||
int[] mixedMimeTypeAdaptationSupport = new int[rendererCapabilities.length];
|
||||
for (int i = 0; i < mixedMimeTypeAdaptationSupport.length; i++) {
|
||||
mixedMimeTypeAdaptationSupport[i] = renderers[i].supportsMixedMimeTypeAdaptation();
|
||||
mixedMimeTypeAdaptationSupport[i] = rendererCapabilities[i].supportsMixedMimeTypeAdaptation();
|
||||
}
|
||||
return mixedMimeTypeAdaptationSupport;
|
||||
}
|
||||
|
|
@ -432,7 +434,7 @@ public abstract class MappingTrackSelector extends TrackSelector {
|
|||
}
|
||||
|
||||
/**
|
||||
* Provides track information for each {@link Renderer}.
|
||||
* Provides track information for each renderer.
|
||||
*/
|
||||
public static final class TrackInfo {
|
||||
|
||||
|
|
@ -464,9 +466,9 @@ public abstract class MappingTrackSelector extends TrackSelector {
|
|||
* @param trackGroups The {@link TrackGroupArray}s for each renderer.
|
||||
* @param trackSelections The current {@link TrackSelection}s for each renderer.
|
||||
* @param mixedMimeTypeAdaptiveSupport The result of
|
||||
* {@link Renderer#supportsMixedMimeTypeAdaptation()} for each renderer.
|
||||
* @param formatSupport The result of {@link Renderer#supportsFormat(Format)} for each
|
||||
* track, indexed by renderer index, group index and track index (in that order).
|
||||
* {@link RendererCapabilities#supportsMixedMimeTypeAdaptation()} for each renderer.
|
||||
* @param formatSupport The result of {@link RendererCapabilities#supportsFormat(Format)} for
|
||||
* each track, indexed by renderer index, group index and track index (in that order).
|
||||
* @param unassociatedTrackGroups Contains {@link TrackGroup}s not associated with any renderer.
|
||||
*/
|
||||
/* package */ TrackInfo(TrackGroupArray[] trackGroups, TrackSelection[] trackSelections,
|
||||
|
|
@ -513,8 +515,8 @@ public abstract class MappingTrackSelector extends TrackSelector {
|
|||
for (int i = 0; i < rendererFormatSupport.length; i++) {
|
||||
for (int j = 0; j < rendererFormatSupport[i].length; j++) {
|
||||
hasTracks = true;
|
||||
if ((rendererFormatSupport[i][j] & Renderer.FORMAT_SUPPORT_MASK)
|
||||
== Renderer.FORMAT_HANDLED) {
|
||||
if ((rendererFormatSupport[i][j] & RendererCapabilities.FORMAT_SUPPORT_MASK)
|
||||
== RendererCapabilities.FORMAT_HANDLED) {
|
||||
return RENDERER_SUPPORT_PLAYABLE_TRACKS;
|
||||
}
|
||||
}
|
||||
|
|
@ -528,14 +530,14 @@ public abstract class MappingTrackSelector extends TrackSelector {
|
|||
* @param rendererIndex The renderer index.
|
||||
* @param groupIndex The index of the group to which the track belongs.
|
||||
* @param trackIndex The index of the track within the group.
|
||||
* @return One of {@link Renderer#FORMAT_HANDLED},
|
||||
* {@link Renderer#FORMAT_EXCEEDS_CAPABILITIES},
|
||||
* {@link Renderer#FORMAT_UNSUPPORTED_SUBTYPE} and
|
||||
* {@link Renderer#FORMAT_UNSUPPORTED_TYPE}.
|
||||
* @return One of {@link RendererCapabilities#FORMAT_HANDLED},
|
||||
* {@link RendererCapabilities#FORMAT_EXCEEDS_CAPABILITIES},
|
||||
* {@link RendererCapabilities#FORMAT_UNSUPPORTED_SUBTYPE} and
|
||||
* {@link RendererCapabilities#FORMAT_UNSUPPORTED_TYPE}.
|
||||
*/
|
||||
public int getTrackFormatSupport(int rendererIndex, int groupIndex, int trackIndex) {
|
||||
return formatSupport[rendererIndex][groupIndex][trackIndex]
|
||||
& Renderer.FORMAT_SUPPORT_MASK;
|
||||
& RendererCapabilities.FORMAT_SUPPORT_MASK;
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -543,21 +545,21 @@ public abstract class MappingTrackSelector extends TrackSelector {
|
|||
* specified {@link TrackGroup}.
|
||||
* <p>
|
||||
* Tracks for which {@link #getTrackFormatSupport(int, int, int)} returns
|
||||
* {@link Renderer#FORMAT_HANDLED} are always considered.
|
||||
* {@link RendererCapabilities#FORMAT_HANDLED} are always considered.
|
||||
* Tracks for which {@link #getTrackFormatSupport(int, int, int)} returns
|
||||
* {@link Renderer#FORMAT_UNSUPPORTED_TYPE} or
|
||||
* {@link Renderer#FORMAT_UNSUPPORTED_SUBTYPE} are never considered.
|
||||
* {@link RendererCapabilities#FORMAT_UNSUPPORTED_TYPE} or
|
||||
* {@link RendererCapabilities#FORMAT_UNSUPPORTED_SUBTYPE} are never considered.
|
||||
* Tracks for which {@link #getTrackFormatSupport(int, int, int)} returns
|
||||
* {@link Renderer#FORMAT_EXCEEDS_CAPABILITIES} are considered only if
|
||||
* {@link RendererCapabilities#FORMAT_EXCEEDS_CAPABILITIES} are considered only if
|
||||
* {@code includeCapabilitiesExceededTracks} is set to {@code true}.
|
||||
*
|
||||
* @param rendererIndex The renderer index.
|
||||
* @param groupIndex The index of the group.
|
||||
* @param includeCapabilitiesExceededTracks True if formats that exceed the capabilities of the
|
||||
* renderer should be included when determining support. False otherwise.
|
||||
* @return One of {@link Renderer#ADAPTIVE_SEAMLESS},
|
||||
* {@link Renderer#ADAPTIVE_NOT_SEAMLESS} and
|
||||
* {@link Renderer#ADAPTIVE_NOT_SUPPORTED}.
|
||||
* @return One of {@link RendererCapabilities#ADAPTIVE_SEAMLESS},
|
||||
* {@link RendererCapabilities#ADAPTIVE_NOT_SEAMLESS} and
|
||||
* {@link RendererCapabilities#ADAPTIVE_NOT_SUPPORTED}.
|
||||
*/
|
||||
public int getAdaptiveSupport(int rendererIndex, int groupIndex,
|
||||
boolean includeCapabilitiesExceededTracks) {
|
||||
|
|
@ -567,8 +569,9 @@ public abstract class MappingTrackSelector extends TrackSelector {
|
|||
int trackIndexCount = 0;
|
||||
for (int i = 0; i < trackCount; i++) {
|
||||
int fixedSupport = getTrackFormatSupport(rendererIndex, groupIndex, i);
|
||||
if (fixedSupport == Renderer.FORMAT_HANDLED || (includeCapabilitiesExceededTracks
|
||||
&& fixedSupport == Renderer.FORMAT_EXCEEDS_CAPABILITIES)) {
|
||||
if (fixedSupport == RendererCapabilities.FORMAT_HANDLED
|
||||
|| (includeCapabilitiesExceededTracks
|
||||
&& fixedSupport == RendererCapabilities.FORMAT_EXCEEDS_CAPABILITIES)) {
|
||||
trackIndices[trackIndexCount++] = i;
|
||||
}
|
||||
}
|
||||
|
|
@ -582,17 +585,17 @@ public abstract class MappingTrackSelector extends TrackSelector {
|
|||
*
|
||||
* @param rendererIndex The renderer index.
|
||||
* @param groupIndex The index of the group.
|
||||
* @return One of {@link Renderer#ADAPTIVE_SEAMLESS},
|
||||
* {@link Renderer#ADAPTIVE_NOT_SEAMLESS} and
|
||||
* {@link Renderer#ADAPTIVE_NOT_SUPPORTED}.
|
||||
* @return One of {@link RendererCapabilities#ADAPTIVE_SEAMLESS},
|
||||
* {@link RendererCapabilities#ADAPTIVE_NOT_SEAMLESS} and
|
||||
* {@link RendererCapabilities#ADAPTIVE_NOT_SUPPORTED}.
|
||||
*/
|
||||
public int getAdaptiveSupport(int rendererIndex, int groupIndex, int[] trackIndices) {
|
||||
TrackGroup trackGroup = trackGroups[rendererIndex].get(groupIndex);
|
||||
if (!trackGroup.adaptive) {
|
||||
return Renderer.ADAPTIVE_NOT_SUPPORTED;
|
||||
return RendererCapabilities.ADAPTIVE_NOT_SUPPORTED;
|
||||
}
|
||||
int handledTrackCount = 0;
|
||||
int adaptiveSupport = Renderer.ADAPTIVE_SEAMLESS;
|
||||
int adaptiveSupport = RendererCapabilities.ADAPTIVE_SEAMLESS;
|
||||
boolean multipleMimeTypes = false;
|
||||
String firstSampleMimeType = null;
|
||||
for (int i = 0; i < trackIndices.length; i++) {
|
||||
|
|
@ -604,8 +607,8 @@ public abstract class MappingTrackSelector extends TrackSelector {
|
|||
} else {
|
||||
multipleMimeTypes |= !Util.areEqual(firstSampleMimeType, sampleMimeType);
|
||||
}
|
||||
adaptiveSupport = Math.min(adaptiveSupport,
|
||||
formatSupport[rendererIndex][groupIndex][i] & Renderer.ADAPTIVE_SUPPORT_MASK);
|
||||
adaptiveSupport = Math.min(adaptiveSupport, formatSupport[rendererIndex][groupIndex][i]
|
||||
& RendererCapabilities.ADAPTIVE_SUPPORT_MASK);
|
||||
}
|
||||
return multipleMimeTypes
|
||||
? Math.min(adaptiveSupport, mixedMimeTypeAdaptiveSupport[rendererIndex])
|
||||
|
|
@ -613,9 +616,9 @@ public abstract class MappingTrackSelector extends TrackSelector {
|
|||
}
|
||||
|
||||
/**
|
||||
* Gets the {@link TrackGroup}s not associated with any {@link Renderer}.
|
||||
* Gets the {@link TrackGroup}s not associated with any renderer.
|
||||
*
|
||||
* @return The {@link TrackGroup}s not associated with any {@link Renderer}.
|
||||
* @return The {@link TrackGroup}s not associated with any renderer.
|
||||
*/
|
||||
public TrackGroupArray getUnassociatedTrackGroups() {
|
||||
return unassociatedTrackGroups;
|
||||
|
|
|
|||
|
|
@ -16,13 +16,13 @@
|
|||
package com.google.android.exoplayer2.trackselection;
|
||||
|
||||
import com.google.android.exoplayer2.ExoPlaybackException;
|
||||
import com.google.android.exoplayer2.Renderer;
|
||||
import com.google.android.exoplayer2.RendererCapabilities;
|
||||
import com.google.android.exoplayer2.source.TrackGroupArray;
|
||||
|
||||
import android.util.Pair;
|
||||
|
||||
/**
|
||||
* Selects tracks to be consumed by available {@link Renderer}s.
|
||||
* Selects tracks to be consumed by available renderers.
|
||||
*/
|
||||
public abstract class TrackSelector {
|
||||
|
||||
|
|
@ -56,19 +56,21 @@ public abstract class TrackSelector {
|
|||
* that the selector wishes to receive in an invocation of {@link #onSelectionActivated(Object)}
|
||||
* should the selection be activated.
|
||||
*
|
||||
* @param renderers The renderers.
|
||||
* @param rendererCapabilities The {@link RendererCapabilities} of the renderers for which
|
||||
* {@link TrackSelection}s are to be generated.
|
||||
* @param trackGroups The available track groups.
|
||||
* @return A {@link TrackSelectionArray} containing a {@link TrackSelection} for each renderer,
|
||||
* together with an opaque object that will be passed to {@link #onSelectionActivated(Object)}
|
||||
* if the selection is activated.
|
||||
* @throws ExoPlaybackException If an error occurs selecting tracks.
|
||||
*/
|
||||
public abstract Pair<TrackSelectionArray, Object> selectTracks(Renderer[] renderers,
|
||||
TrackGroupArray trackGroups) throws ExoPlaybackException;
|
||||
public abstract Pair<TrackSelectionArray, Object> selectTracks(
|
||||
RendererCapabilities[] rendererCapabilities, TrackGroupArray trackGroups)
|
||||
throws ExoPlaybackException;
|
||||
|
||||
/**
|
||||
* Invoked when a selection previously generated by
|
||||
* {@link #selectTracks(Renderer[], TrackGroupArray)} is activated.
|
||||
* {@link #selectTracks(RendererCapabilities[], TrackGroupArray)} is activated.
|
||||
*
|
||||
* @param selectionInfo The opaque object associated with the selection.
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -19,6 +19,7 @@ import com.google.android.exoplayer2.C;
|
|||
import com.google.android.exoplayer2.ExoPlaybackException;
|
||||
import com.google.android.exoplayer2.ExoPlayer;
|
||||
import com.google.android.exoplayer2.Renderer;
|
||||
import com.google.android.exoplayer2.RendererCapabilities;
|
||||
import com.google.android.exoplayer2.decoder.DecoderCounters;
|
||||
import com.google.android.exoplayer2.mediacodec.MediaCodecInfo;
|
||||
import com.google.android.exoplayer2.mediacodec.MediaCodecUtil;
|
||||
|
|
@ -44,7 +45,6 @@ import android.annotation.TargetApi;
|
|||
import android.net.Uri;
|
||||
import android.test.ActivityInstrumentationTestCase2;
|
||||
import android.util.Log;
|
||||
|
||||
import junit.framework.AssertionFailedError;
|
||||
|
||||
import java.util.ArrayList;
|
||||
|
|
@ -492,14 +492,16 @@ public final class DashTest extends ActivityInstrumentationTestCase2<HostActivit
|
|||
}
|
||||
|
||||
@Override
|
||||
protected TrackSelection[] selectTracks(Renderer[] renderers,
|
||||
protected TrackSelection[] selectTracks(RendererCapabilities[] rendererCapabilities,
|
||||
TrackGroupArray[] rendererTrackGroupArrays, int[][][] rendererFormatSupports)
|
||||
throws ExoPlaybackException {
|
||||
Assertions.checkState(renderers[VIDEO_RENDERER_INDEX].getTrackType() == C.TRACK_TYPE_VIDEO);
|
||||
Assertions.checkState(renderers[AUDIO_RENDERER_INDEX].getTrackType() == C.TRACK_TYPE_AUDIO);
|
||||
Assertions.checkState(rendererCapabilities[VIDEO_RENDERER_INDEX].getTrackType()
|
||||
== C.TRACK_TYPE_VIDEO);
|
||||
Assertions.checkState(rendererCapabilities[AUDIO_RENDERER_INDEX].getTrackType()
|
||||
== C.TRACK_TYPE_AUDIO);
|
||||
Assertions.checkState(rendererTrackGroupArrays[VIDEO_RENDERER_INDEX].length == 1);
|
||||
Assertions.checkState(rendererTrackGroupArrays[AUDIO_RENDERER_INDEX].length == 1);
|
||||
TrackSelection[] selections = new TrackSelection[renderers.length];
|
||||
TrackSelection[] selections = new TrackSelection[rendererCapabilities.length];
|
||||
selections[VIDEO_RENDERER_INDEX] = new TrackSelection(0,
|
||||
getTrackIndices(rendererTrackGroupArrays[VIDEO_RENDERER_INDEX].get(0),
|
||||
rendererFormatSupports[VIDEO_RENDERER_INDEX][0], videoFormatIds,
|
||||
|
|
|
|||
Loading…
Reference in a new issue