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Update Android to use limited range YCbCr.

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Limited range seems to be more used than full range and many Android
components already use limited range. This includes FileVideoCapturer,
VideoFileRenderer and HW codecs.

Bug: webrtc:9638
Change-Id: Iadd9b2f19020c6a25bde5e43a28e26a6230dde42
Reviewed-on: https://webrtc-review.googlesource.com/94543
Commit-Queue: Sami Kalliomäki <sakal@webrtc.org>
Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24576}
This commit is contained in:
Sami Kalliomäki
2018-09-05 11:43:38 +02:00
committed by Commit Bot
parent 548dec4a81
commit 8ccddff6ac
7 changed files with 82 additions and 63 deletions
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12
sdk/android/src/java/org/webrtc/GlGenericDrawer.java
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@ -102,12 +102,14 @@ class GlGenericDrawer implements RendererCommon.GlDrawer {
stringBuilder.append("uniform sampler2D v_tex;\n");
// Add separate function for sampling texture.
// yuv_to_rgb_mat is inverse of the matrix defined in YuvConverter.
stringBuilder.append("vec4 sample(vec2 p) {\n");
stringBuilder.append(" float y = texture2D(y_tex, p).r;\n");
stringBuilder.append(" float u = texture2D(u_tex, p).r - 0.5;\n");
stringBuilder.append(" float v = texture2D(v_tex, p).r - 0.5;\n");
stringBuilder.append(
" return vec4(y + 1.403 * v, y - 0.344 * u - 0.714 * v, y + 1.77 * u, 1);\n");
stringBuilder.append(" float y = texture2D(y_tex, p).r * 1.16438;\n");
stringBuilder.append(" float u = texture2D(u_tex, p).r;\n");
stringBuilder.append(" float v = texture2D(v_tex, p).r;\n");
stringBuilder.append(" return vec4(y + 1.59603 * v - 0.874202,\n");
stringBuilder.append(" y - 0.391762 * u - 0.812968 * v + 0.531668,\n");
stringBuilder.append(" y + 2.01723 * u - 1.08563, 1);\n");
stringBuilder.append("}\n");
stringBuilder.append(genericFragmentSource);
} else {