forked from recloudstream/cloudstream
Fixed subtitle elevation again
This commit is contained in:
Blatzar
parent
e215747749
commit
b79e2d768f
1 changed files with 366 additions and 333 deletions
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@ -15,6 +15,8 @@
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*/
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package com.lagradost.cloudstream3.ui.player;
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import static com.google.android.exoplayer2.text.Cue.DIMEN_UNSET;
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import static com.google.android.exoplayer2.text.Cue.LINE_TYPE_NUMBER;
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import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
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import static com.google.android.exoplayer2.util.Assertions.checkState;
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import static java.lang.annotation.ElementType.TYPE_USE;
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@ -23,8 +25,10 @@ import android.os.Handler;
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import android.os.Handler.Callback;
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import android.os.Looper;
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import android.os.Message;
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import androidx.annotation.IntDef;
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import androidx.annotation.Nullable;
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import com.google.android.exoplayer2.BaseRenderer;
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import com.google.android.exoplayer2.C;
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import com.google.android.exoplayer2.Format;
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@ -43,13 +47,17 @@ import com.google.android.exoplayer2.text.TextOutput;
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import com.google.android.exoplayer2.util.Log;
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import com.google.android.exoplayer2.util.MimeTypes;
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import com.google.android.exoplayer2.util.Util;
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import java.lang.annotation.Documented;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.annotation.Target;
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import java.util.Collections;
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import java.util.List;
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import java.util.stream.Collectors;
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// DO NOT CONVERT TO KOTLIN AUTOMATICALLY, IT FUCKS UP AND DOES NOT DISPLAY SUBS FOR SOME REASON
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// IF YOU CHANGE THE CODE MAKE SURE YOU GET THE CUES CORRECT!
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/**
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* A renderer for text.
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*
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@ -59,365 +67,390 @@ import java.util.List;
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*/
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public class NonFinalTextRenderer extends BaseRenderer implements Callback {
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private static final String TAG = "TextRenderer";
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private static final String TAG = "TextRenderer";
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/**
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* @param trackType The track type that the renderer handles. One of the {@link C} {@code
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* TRACK_TYPE_*} constants.
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* @param outputHandler
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*/
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public NonFinalTextRenderer(int trackType, @Nullable Handler outputHandler) {
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super(trackType);
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this.outputHandler = outputHandler;
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}
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@Documented
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@Retention(RetentionPolicy.SOURCE)
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@Target(TYPE_USE)
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@IntDef({
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REPLACEMENT_STATE_NONE,
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REPLACEMENT_STATE_SIGNAL_END_OF_STREAM,
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REPLACEMENT_STATE_WAIT_END_OF_STREAM
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})
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private @interface ReplacementState {}
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/** The decoder does not need to be replaced. */
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private static final int REPLACEMENT_STATE_NONE = 0;
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/**
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* The decoder needs to be replaced, but we haven't yet signaled an end of stream to the existing
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* decoder. We need to do so in order to ensure that it outputs any remaining buffers before we
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* release it.
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*/
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private static final int REPLACEMENT_STATE_SIGNAL_END_OF_STREAM = 1;
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/**
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* The decoder needs to be replaced, and we've signaled an end of stream to the existing decoder.
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* We're waiting for the decoder to output an end of stream signal to indicate that it has output
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* any remaining buffers before we release it.
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*/
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private static final int REPLACEMENT_STATE_WAIT_END_OF_STREAM = 2;
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private static final int MSG_UPDATE_OUTPUT = 0;
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@Nullable private final Handler outputHandler;
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private TextOutput output = null;
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private SubtitleDecoderFactory decoderFactory = null;
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private FormatHolder formatHolder = null;
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private boolean inputStreamEnded;
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private boolean outputStreamEnded;
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private boolean waitingForKeyFrame;
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private @ReplacementState int decoderReplacementState;
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@Nullable private Format streamFormat;
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@Nullable private SubtitleDecoder decoder;
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@Nullable private SubtitleInputBuffer nextInputBuffer;
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@Nullable private SubtitleOutputBuffer subtitle;
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@Nullable private SubtitleOutputBuffer nextSubtitle;
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private int nextSubtitleEventIndex;
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private long finalStreamEndPositionUs;
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/**
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* @param output The output.
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* @param outputLooper The looper associated with the thread on which the output should be called.
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* If the output makes use of standard Android UI components, then this should normally be the
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* looper associated with the application's main thread, which can be obtained using {@link
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* android.app.Activity#getMainLooper()}. Null may be passed if the output should be called
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* directly on the player's internal rendering thread.
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*/
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public NonFinalTextRenderer(TextOutput output, @Nullable Looper outputLooper) {
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this(output, outputLooper, SubtitleDecoderFactory.DEFAULT);
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}
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/**
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* @param output The output.
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* @param outputLooper The looper associated with the thread on which the output should be called.
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* If the output makes use of standard Android UI components, then this should normally be the
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* looper associated with the application's main thread, which can be obtained using {@link
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* android.app.Activity#getMainLooper()}. Null may be passed if the output should be called
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* directly on the player's internal rendering thread.
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* @param decoderFactory A factory from which to obtain {@link SubtitleDecoder} instances.
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*/
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public NonFinalTextRenderer(
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TextOutput output, @Nullable Looper outputLooper, SubtitleDecoderFactory decoderFactory) {
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super(C.TRACK_TYPE_TEXT);
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this.output = checkNotNull(output);
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this.outputHandler =
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outputLooper == null ? null : Util.createHandler(outputLooper, /* callback= */ this);
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this.decoderFactory = decoderFactory;
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formatHolder = new FormatHolder();
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finalStreamEndPositionUs = C.TIME_UNSET;
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}
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@Override
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public String getName() {
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return TAG;
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}
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@Override
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public @Capabilities int supportsFormat(Format format) {
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if (decoderFactory.supportsFormat(format)) {
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return RendererCapabilities.create(
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format.cryptoType == C.CRYPTO_TYPE_NONE ? C.FORMAT_HANDLED : C.FORMAT_UNSUPPORTED_DRM);
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} else if (MimeTypes.isText(format.sampleMimeType)) {
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return RendererCapabilities.create(C.FORMAT_UNSUPPORTED_SUBTYPE);
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} else {
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return RendererCapabilities.create(C.FORMAT_UNSUPPORTED_TYPE);
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}
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}
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/**
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* Sets the position at which to stop rendering the current stream.
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*
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* <p>Must be called after {@link #setCurrentStreamFinal()}.
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*
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* @param streamEndPositionUs The position to stop rendering at or {@link C#LENGTH_UNSET} to
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* render until the end of the current stream.
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*/
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// TODO(internal b/181312195): Remove this when it's no longer needed once subtitles are decoded
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// on the loading side of SampleQueue.
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public void setFinalStreamEndPositionUs(long streamEndPositionUs) {
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checkState(isCurrentStreamFinal());
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this.finalStreamEndPositionUs = streamEndPositionUs;
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}
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@Override
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protected void onStreamChanged(Format[] formats, long startPositionUs, long offsetUs) {
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streamFormat = formats[0];
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if (decoder != null) {
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decoderReplacementState = REPLACEMENT_STATE_SIGNAL_END_OF_STREAM;
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} else {
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initDecoder();
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}
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}
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@Override
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protected void onPositionReset(long positionUs, boolean joining) {
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clearOutput();
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inputStreamEnded = false;
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outputStreamEnded = false;
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finalStreamEndPositionUs = C.TIME_UNSET;
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if (decoderReplacementState != REPLACEMENT_STATE_NONE) {
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replaceDecoder();
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} else {
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releaseBuffers();
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checkNotNull(decoder).flush();
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}
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}
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@Override
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public void render(long positionUs, long elapsedRealtimeUs) {
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if (isCurrentStreamFinal()
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&& finalStreamEndPositionUs != C.TIME_UNSET
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&& positionUs >= finalStreamEndPositionUs) {
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releaseBuffers();
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outputStreamEnded = true;
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/**
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* @param trackType The track type that the renderer handles. One of the {@link C} {@code
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* TRACK_TYPE_*} constants.
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* @param outputHandler
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*/
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public NonFinalTextRenderer(int trackType, @Nullable Handler outputHandler) {
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super(trackType);
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this.outputHandler = outputHandler;
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}
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if (outputStreamEnded) {
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return;
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@Documented
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@Retention(RetentionPolicy.SOURCE)
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@Target(TYPE_USE)
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@IntDef({
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REPLACEMENT_STATE_NONE,
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REPLACEMENT_STATE_SIGNAL_END_OF_STREAM,
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REPLACEMENT_STATE_WAIT_END_OF_STREAM
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})
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private @interface ReplacementState {
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}
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if (nextSubtitle == null) {
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checkNotNull(decoder).setPositionUs(positionUs);
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try {
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nextSubtitle = checkNotNull(decoder).dequeueOutputBuffer();
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} catch (SubtitleDecoderException e) {
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handleDecoderError(e);
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return;
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}
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/**
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* The decoder does not need to be replaced.
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*/
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private static final int REPLACEMENT_STATE_NONE = 0;
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/**
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* The decoder needs to be replaced, but we haven't yet signaled an end of stream to the existing
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* decoder. We need to do so in order to ensure that it outputs any remaining buffers before we
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* release it.
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*/
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private static final int REPLACEMENT_STATE_SIGNAL_END_OF_STREAM = 1;
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/**
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* The decoder needs to be replaced, and we've signaled an end of stream to the existing decoder.
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* We're waiting for the decoder to output an end of stream signal to indicate that it has output
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* any remaining buffers before we release it.
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*/
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private static final int REPLACEMENT_STATE_WAIT_END_OF_STREAM = 2;
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private static final int MSG_UPDATE_OUTPUT = 0;
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@Nullable
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private final Handler outputHandler;
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private TextOutput output = null;
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private SubtitleDecoderFactory decoderFactory = null;
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private FormatHolder formatHolder = null;
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private boolean inputStreamEnded;
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private boolean outputStreamEnded;
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private boolean waitingForKeyFrame;
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private @ReplacementState int decoderReplacementState;
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@Nullable
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private Format streamFormat;
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@Nullable
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private SubtitleDecoder decoder;
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@Nullable
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private SubtitleInputBuffer nextInputBuffer;
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@Nullable
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private SubtitleOutputBuffer subtitle;
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@Nullable
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private SubtitleOutputBuffer nextSubtitle;
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private int nextSubtitleEventIndex;
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private long finalStreamEndPositionUs;
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/**
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* @param output The output.
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* @param outputLooper The looper associated with the thread on which the output should be called.
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* If the output makes use of standard Android UI components, then this should normally be the
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* looper associated with the application's main thread, which can be obtained using {@link
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* android.app.Activity#getMainLooper()}. Null may be passed if the output should be called
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* directly on the player's internal rendering thread.
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*/
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public NonFinalTextRenderer(TextOutput output, @Nullable Looper outputLooper) {
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this(output, outputLooper, SubtitleDecoderFactory.DEFAULT);
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}
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if (getState() != STATE_STARTED) {
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return;
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/**
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* @param output The output.
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* @param outputLooper The looper associated with the thread on which the output should be called.
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* If the output makes use of standard Android UI components, then this should normally be the
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* looper associated with the application's main thread, which can be obtained using {@link
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* android.app.Activity#getMainLooper()}. Null may be passed if the output should be called
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* directly on the player's internal rendering thread.
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* @param decoderFactory A factory from which to obtain {@link SubtitleDecoder} instances.
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*/
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public NonFinalTextRenderer(
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TextOutput output, @Nullable Looper outputLooper, SubtitleDecoderFactory decoderFactory) {
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super(C.TRACK_TYPE_TEXT);
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this.output = checkNotNull(output);
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this.outputHandler =
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outputLooper == null ? null : Util.createHandler(outputLooper, /* callback= */ this);
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this.decoderFactory = decoderFactory;
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formatHolder = new FormatHolder();
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finalStreamEndPositionUs = C.TIME_UNSET;
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}
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boolean textRendererNeedsUpdate = false;
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if (subtitle != null) {
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// We're iterating through the events in a subtitle. Set textRendererNeedsUpdate if we
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// advance to the next event.
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long subtitleNextEventTimeUs = getNextEventTime();
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while (subtitleNextEventTimeUs <= positionUs) {
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nextSubtitleEventIndex++;
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subtitleNextEventTimeUs = getNextEventTime();
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textRendererNeedsUpdate = true;
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}
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@Override
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public String getName() {
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return TAG;
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}
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if (nextSubtitle != null) {
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SubtitleOutputBuffer nextSubtitle = this.nextSubtitle;
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if (nextSubtitle.isEndOfStream()) {
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if (!textRendererNeedsUpdate && getNextEventTime() == Long.MAX_VALUE) {
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if (decoderReplacementState == REPLACEMENT_STATE_WAIT_END_OF_STREAM) {
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@Override
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public @Capabilities int supportsFormat(Format format) {
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if (decoderFactory.supportsFormat(format)) {
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return RendererCapabilities.create(
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format.cryptoType == C.CRYPTO_TYPE_NONE ? C.FORMAT_HANDLED : C.FORMAT_UNSUPPORTED_DRM);
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} else if (MimeTypes.isText(format.sampleMimeType)) {
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return RendererCapabilities.create(C.FORMAT_UNSUPPORTED_SUBTYPE);
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} else {
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return RendererCapabilities.create(C.FORMAT_UNSUPPORTED_TYPE);
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}
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}
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/**
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* Sets the position at which to stop rendering the current stream.
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*
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* <p>Must be called after {@link #setCurrentStreamFinal()}.
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*
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* @param streamEndPositionUs The position to stop rendering at or {@link C#LENGTH_UNSET} to
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* render until the end of the current stream.
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*/
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// TODO(internal b/181312195): Remove this when it's no longer needed once subtitles are decoded
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// on the loading side of SampleQueue.
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public void setFinalStreamEndPositionUs(long streamEndPositionUs) {
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checkState(isCurrentStreamFinal());
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this.finalStreamEndPositionUs = streamEndPositionUs;
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}
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@Override
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protected void onStreamChanged(Format[] formats, long startPositionUs, long offsetUs) {
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streamFormat = formats[0];
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if (decoder != null) {
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decoderReplacementState = REPLACEMENT_STATE_SIGNAL_END_OF_STREAM;
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} else {
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initDecoder();
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}
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}
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@Override
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protected void onPositionReset(long positionUs, boolean joining) {
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clearOutput();
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inputStreamEnded = false;
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outputStreamEnded = false;
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finalStreamEndPositionUs = C.TIME_UNSET;
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if (decoderReplacementState != REPLACEMENT_STATE_NONE) {
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replaceDecoder();
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} else {
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} else {
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releaseBuffers();
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checkNotNull(decoder).flush();
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}
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}
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@Override
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public void render(long positionUs, long elapsedRealtimeUs) {
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if (isCurrentStreamFinal()
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&& finalStreamEndPositionUs != C.TIME_UNSET
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&& positionUs >= finalStreamEndPositionUs) {
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releaseBuffers();
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outputStreamEnded = true;
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}
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}
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} else if (nextSubtitle.timeUs <= positionUs) {
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// Advance to the next subtitle. Sync the next event index and trigger an update.
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if (subtitle != null) {
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subtitle.release();
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}
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nextSubtitleEventIndex = nextSubtitle.getNextEventTimeIndex(positionUs);
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subtitle = nextSubtitle;
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this.nextSubtitle = null;
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textRendererNeedsUpdate = true;
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}
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}
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if (textRendererNeedsUpdate) {
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// If textRendererNeedsUpdate then subtitle must be non-null.
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checkNotNull(subtitle);
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// textRendererNeedsUpdate is set and we're playing. Update the renderer.
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updateOutput(subtitle.getCues(positionUs));
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}
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if (decoderReplacementState == REPLACEMENT_STATE_WAIT_END_OF_STREAM) {
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return;
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}
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try {
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while (!inputStreamEnded) {
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@Nullable SubtitleInputBuffer nextInputBuffer = this.nextInputBuffer;
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if (nextInputBuffer == null) {
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nextInputBuffer = checkNotNull(decoder).dequeueInputBuffer();
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if (nextInputBuffer == null) {
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if (outputStreamEnded) {
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return;
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}
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this.nextInputBuffer = nextInputBuffer;
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}
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if (decoderReplacementState == REPLACEMENT_STATE_SIGNAL_END_OF_STREAM) {
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nextInputBuffer.setFlags(C.BUFFER_FLAG_END_OF_STREAM);
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checkNotNull(decoder).queueInputBuffer(nextInputBuffer);
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this.nextInputBuffer = null;
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decoderReplacementState = REPLACEMENT_STATE_WAIT_END_OF_STREAM;
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return;
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}
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// Try and read the next subtitle from the source.
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@ReadDataResult int result = readSource(formatHolder, nextInputBuffer, /* readFlags= */ 0);
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if (result == C.RESULT_BUFFER_READ) {
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if (nextInputBuffer.isEndOfStream()) {
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inputStreamEnded = true;
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waitingForKeyFrame = false;
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} else {
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@Nullable Format format = formatHolder.format;
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if (format == null) {
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// We haven't received a format yet.
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return;
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if (nextSubtitle == null) {
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checkNotNull(decoder).setPositionUs(positionUs);
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try {
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nextSubtitle = checkNotNull(decoder).dequeueOutputBuffer();
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} catch (SubtitleDecoderException e) {
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handleDecoderError(e);
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return;
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}
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nextInputBuffer.subsampleOffsetUs = format.subsampleOffsetUs;
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nextInputBuffer.flip();
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waitingForKeyFrame &= !nextInputBuffer.isKeyFrame();
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}
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if (!waitingForKeyFrame) {
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checkNotNull(decoder).queueInputBuffer(nextInputBuffer);
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this.nextInputBuffer = null;
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}
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} else if (result == C.RESULT_NOTHING_READ) {
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return;
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}
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}
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} catch (SubtitleDecoderException e) {
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handleDecoderError(e);
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if (getState() != STATE_STARTED) {
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return;
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}
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boolean textRendererNeedsUpdate = false;
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if (subtitle != null) {
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// We're iterating through the events in a subtitle. Set textRendererNeedsUpdate if we
|
||||
// advance to the next event.
|
||||
long subtitleNextEventTimeUs = getNextEventTime();
|
||||
while (subtitleNextEventTimeUs <= positionUs) {
|
||||
nextSubtitleEventIndex++;
|
||||
subtitleNextEventTimeUs = getNextEventTime();
|
||||
textRendererNeedsUpdate = true;
|
||||
}
|
||||
}
|
||||
if (nextSubtitle != null) {
|
||||
SubtitleOutputBuffer nextSubtitle = this.nextSubtitle;
|
||||
if (nextSubtitle.isEndOfStream()) {
|
||||
if (!textRendererNeedsUpdate && getNextEventTime() == Long.MAX_VALUE) {
|
||||
if (decoderReplacementState == REPLACEMENT_STATE_WAIT_END_OF_STREAM) {
|
||||
replaceDecoder();
|
||||
} else {
|
||||
releaseBuffers();
|
||||
outputStreamEnded = true;
|
||||
}
|
||||
}
|
||||
} else if (nextSubtitle.timeUs <= positionUs) {
|
||||
// Advance to the next subtitle. Sync the next event index and trigger an update.
|
||||
if (subtitle != null) {
|
||||
subtitle.release();
|
||||
}
|
||||
nextSubtitleEventIndex = nextSubtitle.getNextEventTimeIndex(positionUs);
|
||||
subtitle = nextSubtitle;
|
||||
this.nextSubtitle = null;
|
||||
textRendererNeedsUpdate = true;
|
||||
}
|
||||
}
|
||||
|
||||
if (textRendererNeedsUpdate) {
|
||||
// If textRendererNeedsUpdate then subtitle must be non-null.
|
||||
checkNotNull(subtitle);
|
||||
// textRendererNeedsUpdate is set and we're playing. Update the renderer.
|
||||
updateOutput(subtitle.getCues(positionUs));
|
||||
}
|
||||
|
||||
if (decoderReplacementState == REPLACEMENT_STATE_WAIT_END_OF_STREAM) {
|
||||
return;
|
||||
}
|
||||
|
||||
try {
|
||||
while (!inputStreamEnded) {
|
||||
@Nullable SubtitleInputBuffer nextInputBuffer = this.nextInputBuffer;
|
||||
if (nextInputBuffer == null) {
|
||||
nextInputBuffer = checkNotNull(decoder).dequeueInputBuffer();
|
||||
if (nextInputBuffer == null) {
|
||||
return;
|
||||
}
|
||||
this.nextInputBuffer = nextInputBuffer;
|
||||
}
|
||||
if (decoderReplacementState == REPLACEMENT_STATE_SIGNAL_END_OF_STREAM) {
|
||||
nextInputBuffer.setFlags(C.BUFFER_FLAG_END_OF_STREAM);
|
||||
checkNotNull(decoder).queueInputBuffer(nextInputBuffer);
|
||||
this.nextInputBuffer = null;
|
||||
decoderReplacementState = REPLACEMENT_STATE_WAIT_END_OF_STREAM;
|
||||
return;
|
||||
}
|
||||
// Try and read the next subtitle from the source.
|
||||
@ReadDataResult int result = readSource(formatHolder, nextInputBuffer, /* readFlags= */ 0);
|
||||
if (result == C.RESULT_BUFFER_READ) {
|
||||
if (nextInputBuffer.isEndOfStream()) {
|
||||
inputStreamEnded = true;
|
||||
waitingForKeyFrame = false;
|
||||
} else {
|
||||
@Nullable Format format = formatHolder.format;
|
||||
if (format == null) {
|
||||
// We haven't received a format yet.
|
||||
return;
|
||||
}
|
||||
nextInputBuffer.subsampleOffsetUs = format.subsampleOffsetUs;
|
||||
nextInputBuffer.flip();
|
||||
waitingForKeyFrame &= !nextInputBuffer.isKeyFrame();
|
||||
}
|
||||
if (!waitingForKeyFrame) {
|
||||
checkNotNull(decoder).queueInputBuffer(nextInputBuffer);
|
||||
this.nextInputBuffer = null;
|
||||
}
|
||||
} else if (result == C.RESULT_NOTHING_READ) {
|
||||
return;
|
||||
}
|
||||
}
|
||||
} catch (SubtitleDecoderException e) {
|
||||
handleDecoderError(e);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onDisabled() {
|
||||
streamFormat = null;
|
||||
finalStreamEndPositionUs = C.TIME_UNSET;
|
||||
clearOutput();
|
||||
releaseDecoder();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isEnded() {
|
||||
return outputStreamEnded;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isReady() {
|
||||
// Don't block playback whilst subtitles are loading.
|
||||
// Note: To change this behavior, it will be necessary to consider [Internal: b/12949941].
|
||||
return true;
|
||||
}
|
||||
|
||||
private void releaseBuffers() {
|
||||
nextInputBuffer = null;
|
||||
nextSubtitleEventIndex = C.INDEX_UNSET;
|
||||
if (subtitle != null) {
|
||||
subtitle.release();
|
||||
subtitle = null;
|
||||
@Override
|
||||
protected void onDisabled() {
|
||||
streamFormat = null;
|
||||
finalStreamEndPositionUs = C.TIME_UNSET;
|
||||
clearOutput();
|
||||
releaseDecoder();
|
||||
}
|
||||
if (nextSubtitle != null) {
|
||||
nextSubtitle.release();
|
||||
nextSubtitle = null;
|
||||
|
||||
@Override
|
||||
public boolean isEnded() {
|
||||
return outputStreamEnded;
|
||||
}
|
||||
}
|
||||
|
||||
private void releaseDecoder() {
|
||||
releaseBuffers();
|
||||
checkNotNull(decoder).release();
|
||||
decoder = null;
|
||||
decoderReplacementState = REPLACEMENT_STATE_NONE;
|
||||
}
|
||||
|
||||
private void initDecoder() {
|
||||
waitingForKeyFrame = true;
|
||||
decoder = decoderFactory.createDecoder(checkNotNull(streamFormat));
|
||||
}
|
||||
|
||||
private void replaceDecoder() {
|
||||
releaseDecoder();
|
||||
initDecoder();
|
||||
}
|
||||
|
||||
private long getNextEventTime() {
|
||||
if (nextSubtitleEventIndex == C.INDEX_UNSET) {
|
||||
return Long.MAX_VALUE;
|
||||
}
|
||||
checkNotNull(subtitle);
|
||||
return nextSubtitleEventIndex >= subtitle.getEventTimeCount()
|
||||
? Long.MAX_VALUE
|
||||
: subtitle.getEventTime(nextSubtitleEventIndex);
|
||||
}
|
||||
|
||||
private void updateOutput(List<Cue> cues) {
|
||||
if (outputHandler != null) {
|
||||
outputHandler.obtainMessage(MSG_UPDATE_OUTPUT, cues).sendToTarget();
|
||||
} else {
|
||||
invokeUpdateOutputInternal(cues);
|
||||
}
|
||||
}
|
||||
|
||||
private void clearOutput() {
|
||||
updateOutput(Collections.emptyList());
|
||||
}
|
||||
|
||||
@SuppressWarnings("unchecked")
|
||||
@Override
|
||||
public boolean handleMessage(Message msg) {
|
||||
switch (msg.what) {
|
||||
case MSG_UPDATE_OUTPUT:
|
||||
invokeUpdateOutputInternal((List<Cue>) msg.obj);
|
||||
@Override
|
||||
public boolean isReady() {
|
||||
// Don't block playback whilst subtitles are loading.
|
||||
// Note: To change this behavior, it will be necessary to consider [Internal: b/12949941].
|
||||
return true;
|
||||
default:
|
||||
throw new IllegalStateException();
|
||||
}
|
||||
}
|
||||
|
||||
private void invokeUpdateOutputInternal(List<Cue> cues) {
|
||||
output.onCues(cues);
|
||||
output.onCues(new CueGroup(cues));
|
||||
}
|
||||
private void releaseBuffers() {
|
||||
nextInputBuffer = null;
|
||||
nextSubtitleEventIndex = C.INDEX_UNSET;
|
||||
if (subtitle != null) {
|
||||
subtitle.release();
|
||||
subtitle = null;
|
||||
}
|
||||
if (nextSubtitle != null) {
|
||||
nextSubtitle.release();
|
||||
nextSubtitle = null;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Called when {@link #decoder} throws an exception, so it can be logged and playback can
|
||||
* continue.
|
||||
*
|
||||
* <p>Logs {@code e} and resets state to allow decoding the next sample.
|
||||
*/
|
||||
private void handleDecoderError(SubtitleDecoderException e) {
|
||||
Log.e(TAG, "Subtitle decoding failed. streamFormat=" + streamFormat, e);
|
||||
clearOutput();
|
||||
replaceDecoder();
|
||||
}
|
||||
private void releaseDecoder() {
|
||||
releaseBuffers();
|
||||
checkNotNull(decoder).release();
|
||||
decoder = null;
|
||||
decoderReplacementState = REPLACEMENT_STATE_NONE;
|
||||
}
|
||||
|
||||
private void initDecoder() {
|
||||
waitingForKeyFrame = true;
|
||||
decoder = decoderFactory.createDecoder(checkNotNull(streamFormat));
|
||||
}
|
||||
|
||||
private void replaceDecoder() {
|
||||
releaseDecoder();
|
||||
initDecoder();
|
||||
}
|
||||
|
||||
private long getNextEventTime() {
|
||||
if (nextSubtitleEventIndex == C.INDEX_UNSET) {
|
||||
return Long.MAX_VALUE;
|
||||
}
|
||||
checkNotNull(subtitle);
|
||||
return nextSubtitleEventIndex >= subtitle.getEventTimeCount()
|
||||
? Long.MAX_VALUE
|
||||
: subtitle.getEventTime(nextSubtitleEventIndex);
|
||||
}
|
||||
|
||||
private void updateOutput(List<Cue> cues) {
|
||||
if (outputHandler != null) {
|
||||
outputHandler.obtainMessage(MSG_UPDATE_OUTPUT, cues).sendToTarget();
|
||||
} else {
|
||||
invokeUpdateOutputInternal(cues);
|
||||
}
|
||||
}
|
||||
|
||||
private void clearOutput() {
|
||||
updateOutput(Collections.emptyList());
|
||||
}
|
||||
|
||||
@SuppressWarnings("unchecked")
|
||||
@Override
|
||||
public boolean handleMessage(Message msg) {
|
||||
switch (msg.what) {
|
||||
case MSG_UPDATE_OUTPUT:
|
||||
invokeUpdateOutputInternal((List<Cue>) msg.obj);
|
||||
return true;
|
||||
default:
|
||||
throw new IllegalStateException();
|
||||
}
|
||||
}
|
||||
|
||||
private void invokeUpdateOutputInternal(List<Cue> cues) {
|
||||
// See https://github.com/google/ExoPlayer/issues/7934
|
||||
// SubripDecoder texts tend to be DIMEN_UNSET which pushes up the
|
||||
// subs unlike WEBVTT which creates an inconsistency
|
||||
|
||||
List<Cue> fixedCues = cues.stream().map(
|
||||
cue -> {
|
||||
Cue.Builder builder = cue.buildUpon();
|
||||
|
||||
if (cue.line == DIMEN_UNSET)
|
||||
builder.setLine(-1f, LINE_TYPE_NUMBER);
|
||||
|
||||
return builder.setSize(DIMEN_UNSET).build();
|
||||
}
|
||||
).collect(Collectors.toList());
|
||||
|
||||
output.onCues(fixedCues);
|
||||
output.onCues(new CueGroup(fixedCues));
|
||||
}
|
||||
|
||||
/**
|
||||
* Called when {@link #decoder} throws an exception, so it can be logged and playback can
|
||||
* continue.
|
||||
*
|
||||
* <p>Logs {@code e} and resets state to allow decoding the next sample.
|
||||
*/
|
||||
private void handleDecoderError(SubtitleDecoderException e) {
|
||||
Log.e(TAG, "Subtitle decoding failed. streamFormat=" + streamFormat, e);
|
||||
clearOutput();
|
||||
replaceDecoder();
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue