public final class

BmpExtractor

extends java.lang.Object

implements Extractor

 java.lang.Object

↳androidx.media3.extractor.bmp.BmpExtractor

Gradle dependencies

compile group: 'androidx.media3', name: 'media3-extractor', version: '1.5.0-alpha01'

  • groupId: androidx.media3
  • artifactId: media3-extractor
  • version: 1.5.0-alpha01

Artifact androidx.media3:media3-extractor:1.5.0-alpha01 it located at Google repository (https://maven.google.com/)

Overview

Extracts data from the BMP container format.

Summary

Constructors
publicBmpExtractor()

Creates an instance.

Methods
public voidinit(ExtractorOutput output)

public intread(ExtractorInput input, PositionHolder seekPosition)

public voidrelease()

public voidseek(long position, long timeUs)

public booleansniff(ExtractorInput input)

from java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructors

public BmpExtractor()

Creates an instance.

Methods

public boolean sniff(ExtractorInput input)

public void init(ExtractorOutput output)

public int read(ExtractorInput input, PositionHolder seekPosition)

public void seek(long position, long timeUs)

public void release()

Source

/*
 * Copyright 2023 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 androidx.media3.extractor.bmp;

import androidx.media3.common.MimeTypes;
import androidx.media3.common.util.UnstableApi;
import androidx.media3.extractor.Extractor;
import androidx.media3.extractor.ExtractorInput;
import androidx.media3.extractor.ExtractorOutput;
import androidx.media3.extractor.PositionHolder;
import androidx.media3.extractor.SingleSampleExtractor;
import java.io.IOException;

/** Extracts data from the BMP container format. */
@UnstableApi
public final class BmpExtractor implements Extractor {
  private static final int BMP_FILE_SIGNATURE_LENGTH = 2;
  private static final int BMP_FILE_SIGNATURE = 0x424D;

  private final SingleSampleExtractor imageExtractor;

  /** Creates an instance. */
  public BmpExtractor() {
    imageExtractor =
        new SingleSampleExtractor(
            BMP_FILE_SIGNATURE, BMP_FILE_SIGNATURE_LENGTH, MimeTypes.IMAGE_BMP);
  }

  @Override
  public boolean sniff(ExtractorInput input) throws IOException {
    return imageExtractor.sniff(input);
  }

  @Override
  public void init(ExtractorOutput output) {
    imageExtractor.init(output);
  }

  @Override
  public @ReadResult int read(ExtractorInput input, PositionHolder seekPosition)
      throws IOException {
    return imageExtractor.read(input, seekPosition);
  }

  @Override
  public void seek(long position, long timeUs) {
    imageExtractor.seek(position, timeUs);
  }

  @Override
  public void release() {
    // Do nothing.
  }
}