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Remove ability to extend the default FormatEvaluator implementations.

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This commit is contained in:
Oliver Woodman 2015-05-08 17:09:39 +01:00
parent 9f77c4009e
commit 861d6749ef
1 changed files with 6 additions and 13 deletions
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19
library/src/main/java/com/google/android/exoplayer/chunk/FormatEvaluator.java
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@ -84,7 +84,7 @@ public interface FormatEvaluator {
/**
* Always selects the first format.
*/
public static class FixedEvaluator implements FormatEvaluator {
public static final class FixedEvaluator implements FormatEvaluator {
@Override
public void enable() {
@ -107,7 +107,7 @@ public interface FormatEvaluator {
/**
* Selects randomly between the available formats.
*/
public static class RandomEvaluator implements FormatEvaluator {
public static final class RandomEvaluator implements FormatEvaluator {
private final Random random;
@ -145,7 +145,7 @@ public interface FormatEvaluator {
* reference implementation only. It is recommended that application developers implement their
* own adaptive evaluator to more precisely suit their use case.
*/
public static class AdaptiveEvaluator implements FormatEvaluator {
public static final class AdaptiveEvaluator implements FormatEvaluator {
public static final int DEFAULT_MAX_INITIAL_BITRATE = 800000;
@ -259,8 +259,9 @@ public interface FormatEvaluator {
/**
* Compute the ideal format ignoring buffer health.
*/
protected Format determineIdealFormat(Format[] formats, long bitrateEstimate) {
long effectiveBitrate = computeEffectiveBitrateEstimate(bitrateEstimate);
private Format determineIdealFormat(Format[] formats, long bitrateEstimate) {
long effectiveBitrate = bitrateEstimate == BandwidthMeter.NO_ESTIMATE
? maxInitialBitrate : (long) (bitrateEstimate * bandwidthFraction);
for (int i = 0; i < formats.length; i++) {
Format format = formats[i];
if (format.bitrate <= effectiveBitrate) {
@ -271,14 +272,6 @@ public interface FormatEvaluator {
return formats[formats.length - 1];
}
/**
* Apply overhead factor, or default value in absence of estimate.
*/
protected long computeEffectiveBitrateEstimate(long bitrateEstimate) {
return bitrateEstimate == BandwidthMeter.NO_ESTIMATE
? maxInitialBitrate : (long) (bitrateEstimate * bandwidthFraction);
}
}
}