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Commit 3d14c724 by cdrolle Committed by Oliver Woodman
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Refactored Eia608Parser so that it manipulates the caption string builder… 

Refactored Eia608Parser so that it manipulates the caption string builder directly, avoiding unnecessary object allocation.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=120926283
parent ab3489ef
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library/src/main/java/com/google/android/exoplayer/text/eia608/ClosedCaption.java deleted 100644 → 0
/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.exoplayer.text.eia608;
/**
* A Closed Caption that contains textual data associated with time indices.
*/
/* package */ abstract class ClosedCaption {
/**
* Identifies closed captions with control characters.
*/
public static final int TYPE_CTRL = 0;
/**
* Identifies closed captions with textual information.
*/
public static final int TYPE_TEXT = 1;
/**
* The type of the closed caption data.
*/
public final int type;
protected ClosedCaption(int type) {
this.type = type;
}
}
library/src/main/java/com/google/android/exoplayer/text/eia608/ClosedCaptionCtrl.java deleted 100644 → 0
/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.exoplayer.text.eia608;
/* package */ final class ClosedCaptionCtrl extends ClosedCaption {
/**
* Command initiating pop-on style captioning. Subsequent data should be loaded into a
* non-displayed memory and held there until the {@link #END_OF_CAPTION} command is received, at
* which point the non-displayed memory becomes the displayed memory (and vice versa).
*/
public static final byte RESUME_CAPTION_LOADING = 0x20;
/**
* Command initiating roll-up style captioning, with the maximum of 2 rows displayed
* simultaneously.
*/
public static final byte ROLL_UP_CAPTIONS_2_ROWS = 0x25;
/**
* Command initiating roll-up style captioning, with the maximum of 3 rows displayed
* simultaneously.
*/
public static final byte ROLL_UP_CAPTIONS_3_ROWS = 0x26;
/**
* Command initiating roll-up style captioning, with the maximum of 4 rows displayed
* simultaneously.
*/
public static final byte ROLL_UP_CAPTIONS_4_ROWS = 0x27;
/**
* Command initiating paint-on style captioning. Subsequent data should be addressed immediately
* to displayed memory without need for the {@link #RESUME_CAPTION_LOADING} command.
*/
public static final byte RESUME_DIRECT_CAPTIONING = 0x29;
/**
* Command indicating the end of a pop-on style caption. At this point the caption loaded in
* non-displayed memory should be swapped with the one in displayed memory. If no
* {@link #RESUME_CAPTION_LOADING} command has been received, this command forces the receiver
* into pop-on style.
*/
public static final byte END_OF_CAPTION = 0x2F;
public static final byte ERASE_DISPLAYED_MEMORY = 0x2C;
public static final byte CARRIAGE_RETURN = 0x2D;
public static final byte ERASE_NON_DISPLAYED_MEMORY = 0x2E;
public static final byte BACKSPACE = 0x21;
public static final byte MID_ROW_CHAN_1 = 0x11;
public static final byte MID_ROW_CHAN_2 = 0x19;
public static final byte MISC_CHAN_1 = 0x14;
public static final byte MISC_CHAN_2 = 0x1C;
public static final byte TAB_OFFSET_CHAN_1 = 0x17;
public static final byte TAB_OFFSET_CHAN_2 = 0x1F;
public final byte cc1;
public final byte cc2;
protected ClosedCaptionCtrl(byte cc1, byte cc2) {
super(ClosedCaption.TYPE_CTRL);
this.cc1 = cc1;
this.cc2 = cc2;
}
public boolean isMidRowCode() {
return (cc1 == MID_ROW_CHAN_1 || cc1 == MID_ROW_CHAN_2) && (cc2 >= 0x20 && cc2 <= 0x2F);
}
public boolean isMiscCode() {
return (cc1 == MISC_CHAN_1 || cc1 == MISC_CHAN_2) && (cc2 >= 0x20 && cc2 <= 0x2F);
}
public boolean isTabOffsetCode() {
return (cc1 == TAB_OFFSET_CHAN_1 || cc1 == TAB_OFFSET_CHAN_2) && (cc2 >= 0x21 && cc2 <= 0x23);
}
public boolean isPreambleAddressCode() {
return (cc1 >= 0x10 && cc1 <= 0x1F) && (cc2 >= 0x40 && cc2 <= 0x7F);
}
public boolean isRepeatable() {
return cc1 >= 0x10 && cc1 <= 0x1F;
}
}
library/src/main/java/com/google/android/exoplayer/text/eia608/ClosedCaptionList.java deleted 100644 → 0
/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.exoplayer.text.eia608;
/* package */ final class ClosedCaptionList {
public final long timeUs;
public final ClosedCaption[] captions;
public ClosedCaptionList(long timeUs, ClosedCaption[] captions) {
this.timeUs = timeUs;
this.captions = captions;
}
}
library/src/main/java/com/google/android/exoplayer/text/eia608/ClosedCaptionText.java deleted 100644 → 0
/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.exoplayer.text.eia608;
/* package */ final class ClosedCaptionText extends ClosedCaption {
public final String text;
public ClosedCaptionText(String text) {
super(ClosedCaption.TYPE_TEXT);
this.text = text;
}
}
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