Save a mul in YCbCrInput by folding the scaling into the matrix.

[movit] / README

diff --git a/README b/README
index 3f29bea69b8a7230c2309384f74aab8b885f03c7..58dac7aacbf47dfa44cd280391bea0a7375f7ac8 100644 (file)
--- a/README
+++ b/README
@@ -9,7 +9,7 @@ Movit is the Modern Video Toolkit, notwithstanding that anything that's
 called “modern” usually isn't, and it's really not a toolkit.
 
 Movit aims to be a _high-quality_, _high-performance_, _open-source_
-library for video filters. It is currently in alpha stage.
+library for video filters.
 
 
 TL;DR, please give me download link and system demands
@@ -21,12 +21,14 @@ OK, you need
   works fine on Linux and OS X, and Movit is not very POSIX-bound.)
 * GNU Make.
 * A GPU capable of running GLSL fragment shaders,
-  process floating-point textures, and a few other things. If your machine
-  is less than five years old _and you have the appropriate drivers_,
-  you're home free.
-* The [Eigen 3] and [Google Test] libraries. (The library itself
-  depends only on the former, but you probably want to run the unit tests.)
-* The [GLEW] library, for dealing with OpenGL extensions on various
+  processing floating-point textures, and a few other things (all are
+  part of OpenGL 3.0 or newer, although most OpenGL 2.0 cards also
+  have what's needed through extensions). If your machine is less than five
+  years old _and you have the appropriate drivers_, you're home free.
+  GLES3 (for mobile devices) will also work.
+* The [Eigen 3], [FFTW3] and [Google Test] libraries. (The library itself
+  does not depend on the latter, but you probably want to run the unit tests.)
+* The [epoxy] library, for dealing with OpenGL extensions on various
   platforms.
 
 Movit has been tested with Intel GPUs with the Mesa drivers
@@ -39,10 +41,11 @@ for performance estimates.
 Still TL;DR, please give me the list of filters
 ===============================================
 
-Blur, diffusion, glow, lift/gamma/gain (color correction), mirror,
-mix (add two inputs), overlay (the Porter-Duff “over” operation),
-scale (bilinear and Lanczos), sharpen (both by unsharp mask and by
-Wiener filters), saturation (or desaturation), vignette, and white balance.
+Blur, diffusion, FFT-based convolution, glow, lift/gamma/gain (color
+correction), mirror, mix (add two inputs), luma mix (use a map to wipe between
+two inputs), overlay (the Porter-Duff “over” operation), scale (bilinear and
+Lanczos), sharpen (both by unsharp mask and by Wiener filters), saturation
+(or desaturation), vignette, and white balance.
 
 Yes, that's a short list. But they all look great, are fast and don't give
 you any nasty surprises. (I'd love to include denoise, deinterlace and
@@ -53,7 +56,8 @@ all research-grade problems, and Movit is currently not there.)
 TL;DR, but I am interested in a programming example instead
 ===========================================================
 
-Assuming you have an OpenGL context already set up:
+Assuming you have an OpenGL context already set up (either a classic OpenGL
+context, a GL 3.x forward-compatible or core context, or a GLES3 context):
 
 <code>
   using namespace movit;