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Add RATE_UNSET option to encoder performance setting

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This is to allow not setting the MediaFormat OPERATING_RATE and PRIORITY
altogether. The current behvaiour, if left the value `UNSET`, it'll apply the
our optimizations, but apps might want to disable this optimization.

PiperOrigin-RevId: 675923909
This commit is contained in:
claincly 2024-09-18 03:37:30 -07:00 committed by Copybara-Service
parent f0fb386224
commit fd3d8e1782
2 changed files with 21 additions and 8 deletions
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19
libraries/transformer/src/main/java/androidx/media3/transformer/DefaultEncoderFactory.java
View File

@ -351,18 +351,21 @@ public final class DefaultEncoderFactory implements Codec.EncoderFactory {
: (int) floor(iFrameIntervalSeconds));
}
if (Util.SDK_INT >= 23) {
int operatingRate = supportedVideoEncoderSettings.operatingRate;
int priority = supportedVideoEncoderSettings.priority;
if (Util.SDK_INT >= 23
&& operatingRate != VideoEncoderSettings.RATE_UNSET
&& priority != VideoEncoderSettings.RATE_UNSET) {
// Setting operating rate and priority is supported from API 23.
if (supportedVideoEncoderSettings.operatingRate == VideoEncoderSettings.NO_VALUE
&& supportedVideoEncoderSettings.priority == VideoEncoderSettings.NO_VALUE) {
if (operatingRate == VideoEncoderSettings.NO_VALUE
&& priority == VideoEncoderSettings.NO_VALUE) {
adjustMediaFormatForEncoderPerformanceSettings(mediaFormat);
} else {
if (supportedVideoEncoderSettings.operatingRate != VideoEncoderSettings.NO_VALUE) {
mediaFormat.setInteger(
MediaFormat.KEY_OPERATING_RATE, supportedVideoEncoderSettings.operatingRate);
if (operatingRate != VideoEncoderSettings.NO_VALUE) {
mediaFormat.setInteger(MediaFormat.KEY_OPERATING_RATE, operatingRate);
}
if (supportedVideoEncoderSettings.priority != VideoEncoderSettings.NO_VALUE) {
mediaFormat.setInteger(MediaFormat.KEY_PRIORITY, supportedVideoEncoderSettings.priority);
if (priority != VideoEncoderSettings.NO_VALUE) {
mediaFormat.setInteger(MediaFormat.KEY_PRIORITY, priority);
}
}
}

10
libraries/transformer/src/main/java/androidx/media3/transformer/VideoEncoderSettings.java
View File

@ -43,6 +43,12 @@ public final class VideoEncoderSettings {
/** A value for various fields to indicate that the field's value is unknown or not applicable. */
public static final int NO_VALUE = Format.NO_VALUE;
/**
* A value for {@link Builder#setEncoderPerformanceParameters(int, int)} to disable setting
* performance parameters.
*/
public static final int RATE_UNSET = NO_VALUE - 1;
/** The default I-frame interval in seconds. */
public static final float DEFAULT_I_FRAME_INTERVAL_SECONDS = 1.0f;
@ -168,6 +174,9 @@ public final class VideoEncoderSettings {
* Sets encoding operating rate and priority. The default values are {@link #NO_VALUE}, which is
* treated as configuring the encoder for maximum throughput.
*
* <p>To disable the configuration for operating rate and priority, use {@link #RATE_UNSET} for
* both arguments.
*
* @param operatingRate The {@link MediaFormat#KEY_OPERATING_RATE operating rate} in frames per
* second.
* @param priority The {@link MediaFormat#KEY_PRIORITY priority}.
@ -176,6 +185,7 @@ public final class VideoEncoderSettings {
@CanIgnoreReturnValue
@VisibleForTesting
public Builder setEncoderPerformanceParameters(int operatingRate, int priority) {
checkArgument((operatingRate == RATE_UNSET) == (priority == RATE_UNSET));
this.operatingRate = operatingRate;
this.priority = priority;
return this;