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Transformer GL: Create demo UI for changing resolution.

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Also, add 144p as an acceptable output resolution, to allow for
a more obvious resolution difference when running the demo.

PiperOrigin-RevId: 414406664
This commit is contained in:
huangdarwin 2021-12-06 12:41:11 +00:00 committed by Ian Baker
parent a40a71a534
commit daeea81e50
1 changed files with 4 additions and 3 deletions
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7
library/transformer/src/main/java/com/google/android/exoplayer2/transformer/Transformer.java
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@ -235,7 +235,7 @@ public final class Transformer {
* Sets the output resolution using the output height. The default value is the same height as
* the input. Output width will scale to preserve the input video's aspect ratio.
*
* <p>For now, only "popular" heights like 240, 360, 480, 720, 1080, 1440, or 2160 are
* <p>For now, only "popular" heights like 144, 240, 360, 480, 720, 1080, 1440, or 2160 are
* supported, to ensure compatibility on different devices.
*
* <p>For example, a 1920x1440 video can be scaled to 640x480 by calling setResolution(480).
@ -247,7 +247,8 @@ public final class Transformer {
// TODO(Internal b/201293185): Restructure to input a Presentation class.
// TODO(Internal b/201293185): Check encoder codec capabilities in order to allow arbitrary
// resolutions and reasonable fallbacks.
if (outputHeight != 240
if (outputHeight != 144
&& outputHeight != 240
&& outputHeight != 360
&& outputHeight != 480
&& outputHeight != 720
@ -255,7 +256,7 @@ public final class Transformer {
&& outputHeight != 1440
&& outputHeight != 2160) {
throw new IllegalArgumentException(
"Please use a height of 240, 360, 480, 720, 1080, 1440, or 2160.");
"Please use a height of 144, 240, 360, 480, 720, 1080, 1440, or 2160.");
}
this.outputHeight = outputHeight;
return this;