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Update javadoc for FLAG_READ_WITHIN_GOP_SAMPLE_DEPENDENCIES

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Reflects that FLAG_READ_WITHIN_GOP_SAMPLE_DEPENDENCIES only parses
H.264 bitstream, and that H.265 parsing will be controlled with
another flag.

PiperOrigin-RevId: 712921990
This commit is contained in:
dancho 2025-01-07 08:31:02 -08:00 committed by Copybara-Service
parent ec50358784
commit 229aadc91b
3 changed files with 4 additions and 16 deletions
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4
libraries/exoplayer/src/main/java/androidx/media3/exoplayer/source/chunk/BundledChunkExtractor.java
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@ -163,8 +163,8 @@ public final class BundledChunkExtractor implements ExtractorOutput, ChunkExtrac
}
/**
* Sets whether within GOP sample dependency information should be parsed as part of extraction.
* Defaults to {@code false}.
* Sets whether within GOP sample dependency information for {@linkplain MimeTypes#VIDEO_H264
* H.264} video should be parsed as part of extraction. Defaults to {@code false}.
*
* <p>Having access to additional sample dependency information can speed up seeking. See {@link
* FragmentedMp4Extractor#FLAG_READ_WITHIN_GOP_SAMPLE_DEPENDENCIES}.

8
libraries/extractor/src/main/java/androidx/media3/extractor/mp4/FragmentedMp4Extractor.java
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@ -137,7 +137,7 @@ public class FragmentedMp4Extractor implements Extractor {
/**
* Flag to extract additional sample dependency information, and mark output buffers with {@link
* C#BUFFER_FLAG_NOT_DEPENDED_ON}.
* C#BUFFER_FLAG_NOT_DEPENDED_ON} for {@linkplain MimeTypes#VIDEO_H264 H.264} video.
*
* <p>This class always marks the samples at the start of each group of picture (GOP) with {@link
* C#BUFFER_FLAG_KEY_FRAME}. Usually, key frames can be decoded independently, without depending
@ -146,12 +146,6 @@ public class FragmentedMp4Extractor implements Extractor {
* <p>Setting this flag enables elementary stream parsing to identify disposable samples that are
* not depended on by other samples. Any disposable sample can be safely omitted, and the rest of
* the track will remain valid.
*
* <p>Supported formats are:
*
* <ul>
* <li>{@linkplain MimeTypes#VIDEO_H264 H.264}
* </ul>
*/
public static final int FLAG_READ_WITHIN_GOP_SAMPLE_DEPENDENCIES = 1 << 6; // 64

8
libraries/extractor/src/main/java/androidx/media3/extractor/mp4/Mp4Extractor.java
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@ -138,7 +138,7 @@ public final class Mp4Extractor implements Extractor, SeekMap {
/**
* Flag to extract additional sample dependency information, and mark output buffers with {@link
* C#BUFFER_FLAG_NOT_DEPENDED_ON}.
* C#BUFFER_FLAG_NOT_DEPENDED_ON} for {@linkplain MimeTypes#VIDEO_H264 H.264} video.
*
* <p>This class always marks the samples at the start of each group of picture (GOP) with {@link
* C#BUFFER_FLAG_KEY_FRAME}. Usually, key frames can be decoded independently, without depending
@ -147,12 +147,6 @@ public final class Mp4Extractor implements Extractor, SeekMap {
* <p>Setting this flag enables elementary stream parsing to identify disposable samples that are
* not depended on by other samples. Any disposable sample can be safely omitted, and the rest of
* the track will remain valid.
*
* <p>Supported formats are:
*
* <ul>
* <li>{@linkplain MimeTypes#VIDEO_H264 H.264}
* </ul>
*/
public static final int FLAG_READ_WITHIN_GOP_SAMPLE_DEPENDENCIES = 1 << 5;