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Fix DefaultExtractorsFactory Javadoc

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PiperOrigin-RevId: 295540885
This commit is contained in:
kimvde 2020-02-17 10:11:06 +00:00 committed by Ian Baker
parent 0444e0b338
commit 74443f47f0
1 changed files with 7 additions and 5 deletions
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12
library/extractor/src/main/java/com/google/android/exoplayer2/extractor/DefaultExtractorsFactory.java
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@ -52,7 +52,13 @@ import java.lang.reflect.Constructor;
* <li>AC3 ({@link Ac3Extractor})
* <li>AC4 ({@link Ac4Extractor})
* <li>AMR ({@link AmrExtractor})
* <li>FLAC (only available if the FLAC extension is built and included)
* <li>FLAC
* <ul>
* <li>if available, using the Flac extension extractor,
* <li>otherwise, using core's {@link FlacExtractor}. NOTE: Android devices do not generally
* include a FLAC decoder before API 27, which can be worked around by using the FLAC
* extension of the FFMPEG extension.
* </ul>
* </ul>
*/
public final class DefaultExtractorsFactory implements ExtractorsFactory {
@ -249,10 +255,6 @@ public final class DefaultExtractorsFactory implements ExtractorsFactory {
? AmrExtractor.FLAG_ENABLE_CONSTANT_BITRATE_SEEKING
: 0));
extractors[12] = new Ac4Extractor();
// Prefer the FLAC extension extractor because it outputs raw audio, which can be handled by the
// framework on all API levels, unlike the core library FLAC extractor, which outputs FLAC audio
// frames and so relies on having a FLAC decoder (e.g., a MediaCodec decoder that handles FLAC
// (from API 27), or the FFmpeg extension with FLAC enabled).
if (FLAC_EXTENSION_EXTRACTOR_CONSTRUCTOR != null) {
try {
extractors[13] = FLAC_EXTENSION_EXTRACTOR_CONSTRUCTOR.newInstance();