Add the rest of the files for the premultiplied alpha commit.

[movit] / demo.cpp

diff --git a/demo.cpp b/demo.cpp
index 02c923c4dba60c6a814ca9a990e56b270705e4eb..1e32e084760a627912ba318f7f6a5b287b3a7e90 100644 (file)
--- a/demo.cpp
+++ b/demo.cpp
@@ -30,6 +30,9 @@
 #include "lift_gamma_gain_effect.h"
 #include "saturation_effect.h"
 #include "diffusion_effect.h"
+#include "overlay_effect.h"
+#include "resample_effect.h"
+#include "resize_effect.h"
 
 unsigned char result[WIDTH * HEIGHT * 4];
 
@@ -126,6 +129,15 @@ unsigned char *load_image(const char *filename, unsigned *w, unsigned *h)
 
        SDL_FreeSurface(img);
 
+       unsigned char *x = (unsigned char *)converted->pixels;
+       for (int i = 0; i < img->w * img->h; ++i) {
+               if (x[i * 4 + 3] == 0) {
+                       x[i * 4 + 0] = 255;
+                       x[i * 4 + 1] = 255;
+                       x[i * 4 + 2] = 255;
+               }
+       }
+
        return (unsigned char *)converted->pixels;
 }
 
@@ -167,18 +179,52 @@ int main(int argc, char **argv)
 
        ImageFormat inout_format;
        inout_format.color_space = COLORSPACE_sRGB;
-       inout_format.gamma_curve = GAMMA_sRGB;
+       inout_format.gamma_curve = GAMMA_LINEAR;
 
-       FlatInput *input = new FlatInput(inout_format, FORMAT_BGRA, GL_UNSIGNED_BYTE, img_w, img_h);
+       FlatInput *input = new FlatInput(inout_format, FORMAT_BGRA_POSTMULTIPLIED_ALPHA, GL_UNSIGNED_BYTE, img_w, img_h);
        chain.add_input(input);
-       Effect *lift_gamma_gain_effect = chain.add_effect(new LiftGammaGainEffect());
-       Effect *saturation_effect = chain.add_effect(new SaturationEffect());
-       Effect *diffusion_effect = chain.add_effect(new DiffusionEffect());
+
+       unsigned char *src_overlay1 = load_image("overlay1.png", &img_w, &img_h);
+#if 0
+       float *src_bleh = new float[img_w * img_h * 4];
+       for (int i = 0; i < img_w * img_h; ++i) {
+               float r = src_overlay1[i * 4 + 0] / 255.0f;
+               float g = src_overlay1[i * 4 + 1] / 255.0f;
+               float b = src_overlay1[i * 4 + 2] / 255.0f;
+               float a = src_overlay1[i * 4 + 3] / 255.0f;
+       //      src_bleh[i * 4 + 0] = r * a;
+       //      src_bleh[i * 4 + 1] = g * a;
+       //      src_bleh[i * 4 + 2] = b * a;
+               src_bleh[i * 4 + 0] = r;
+               src_bleh[i * 4 + 1] = g;
+               src_bleh[i * 4 + 2] = b;
+               src_bleh[i * 4 + 3] = a;
+       }
+       FlatInput *overlay1 = new FlatInput(inout_format, FORMAT_BGRA_POSTMULTIPLIED_ALPHA, GL_FLOAT, img_w, img_h);
+#endif
+       FlatInput *overlay1 = new FlatInput(inout_format, FORMAT_BGRA_POSTMULTIPLIED_ALPHA, GL_UNSIGNED_BYTE, img_w, img_h);
+       chain.add_input(overlay1);
+
+       unsigned char *src_overlay2 = load_image("overlay2.png", &img_w, &img_h);
+       FlatInput *overlay2 = new FlatInput(inout_format, FORMAT_BGRA_POSTMULTIPLIED_ALPHA, GL_UNSIGNED_BYTE, img_w, img_h);
+       chain.add_input(overlay2);
+
+       Effect *mix1 = chain.add_effect(new OverlayEffect(), overlay2, overlay1);
+       //Effect *mix1_resized = chain.add_effect(new ResampleEffect(), mix1);
+       Effect *mix1_resized = chain.add_effect(new ResizeEffect(), mix1);
+       CHECK(mix1_resized->set_int("width", 1280));
+       CHECK(mix1_resized->set_int("height", 720));
+       Effect *mix2 = chain.add_effect(new OverlayEffect(), input, mix1_resized);
+//     Effect *mix2 = chain.add_effect(new OverlayEffect(), input, overlay1);
+
+       //Effect *lift_gamma_gain_effect = chain.add_effect(new LiftGammaGainEffect());
+       //Effect *saturation_effect = chain.add_effect(new SaturationEffect());
+       //Effect *diffusion_effect = chain.add_effect(new DiffusionEffect());
        //Effect *vignette_effect = chain.add_effect(new VignetteEffect());
        //Effect *sandbox_effect = chain.add_effect(new SandboxEffect());
        //sandbox_effect->set_float("parm", 42.0f);
        //chain.add_effect(new MirrorEffect());
-       chain.add_output(inout_format);
+       chain.add_output(inout_format, OUTPUT_ALPHA_POSTMULTIPLIED);
        chain.set_dither_bits(8);
        chain.finalize();
 
@@ -219,15 +265,18 @@ int main(int argc, char **argv)
 
                ++frame;
 
-               update_hsv(lift_gamma_gain_effect, saturation_effect);
+               //update_hsv(lift_gamma_gain_effect, saturation_effect);
                //vignette_effect->set_float("radius", radius);
                //vignette_effect->set_float("inner_radius", inner_radius);
                //vignette_effect->set_vec2("center", (float[]){ 0.7f, 0.5f });
 
-               CHECK(diffusion_effect->set_float("radius", blur_radius));
-               CHECK(diffusion_effect->set_float("blurred_mix_amount", blurred_mix_amount));
+               //CHECK(diffusion_effect->set_float("radius", blur_radius));
+               //CHECK(diffusion_effect->set_float("blurred_mix_amount", blurred_mix_amount));
 
                input->set_pixel_data(src_img);
+               overlay1->set_pixel_data(src_overlay1);
+               //overlay1->set_pixel_data(src_bleh);
+               overlay2->set_pixel_data(src_overlay2);
                chain.render_to_screen();
                
                glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, pbo);