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Apply suggested AVC profile depending on the API version.

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PiperOrigin-RevId: 424322341
This commit is contained in:
claincly 2022-01-26 13:32:30 +00:00 committed by Andrew Lewis
parent 47fd32f1d4
commit 2ed1deb52d
1 changed files with 26 additions and 3 deletions
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29
libraries/transformer/src/main/java/androidx/media3/transformer/DefaultCodecFactory.java
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@ -32,6 +32,7 @@ import androidx.media3.common.Format;
import androidx.media3.common.MimeTypes;
import androidx.media3.common.util.MediaFormatUtil;
import androidx.media3.common.util.TraceUtil;
import androidx.media3.common.util.Util;
import androidx.media3.exoplayer.mediacodec.MediaCodecUtil;
import java.io.IOException;
import java.util.List;
@ -123,9 +124,8 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
format = getVideoEncoderSupportedFormat(format, allowedMimeTypes);
MediaFormat mediaFormat =
MediaFormat.createVideoFormat(
checkNotNull(format.sampleMimeType), format.width, format.height);
String mimeType = checkNotNull(format.sampleMimeType);
MediaFormat mediaFormat = MediaFormat.createVideoFormat(mimeType, format.width, format.height);
mediaFormat.setFloat(MediaFormat.KEY_FRAME_RATE, format.frameRate);
mediaFormat.setInteger(MediaFormat.KEY_BIT_RATE, format.averageBitrate);
@ -138,6 +138,29 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
}
}
// TODO(b/210593256): Remove overriding profile/level (before API 29) after switching to in-app
// muxing.
if (mimeType.equals(MimeTypes.VIDEO_H264)) {
// Applying suggested profile/level settings from
// https://developer.android.com/guide/topics/media/sharing-video#b-frames_and_encoding_profiles
if (Util.SDK_INT >= 29) {
// Use the highest supported profile and use B-frames.
mediaFormat.setInteger(
MediaFormat.KEY_PROFILE, MediaCodecInfo.CodecProfileLevel.AVCProfileHigh);
mediaFormat.setInteger(MediaFormat.KEY_MAX_B_FRAMES, 1);
} else if (Util.SDK_INT >= 26) {
// Use the highest-supported profile, but disable the generation of B-frames. This
// accommodates some limitations in the MediaMuxer in these system versions.
mediaFormat.setInteger(
MediaFormat.KEY_PROFILE, MediaCodecInfo.CodecProfileLevel.AVCProfileHigh);
mediaFormat.setInteger(MediaFormat.KEY_LATENCY, 1);
} else {
// Use the baseline profile for safest results.
mediaFormat.setInteger(
MediaFormat.KEY_PROFILE, MediaCodecInfo.CodecProfileLevel.AVCProfileBaseline);
}
}
mediaFormat.setInteger(MediaFormat.KEY_COLOR_FORMAT, DEFAULT_COLOR_FORMAT);
mediaFormat.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, DEFAULT_I_FRAME_INTERVAL_SECS);