# HG changeset patch
# User John Tsiombikas <nuclear@member.fsf.org>
# Date 1318994612 -10800
# Node ID 7f7342bfbb25415287f87c02d6fd1ac9269d2ada

vpost plugin for that video: http://www.youtube.com/watch?v=txt6SGL483E

diff -r 000000000000 -r 7f7342bfbb25 hullsdr/Makefile
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hullsdr/Makefile	Wed Oct 19 06:23:32 2011 +0300
@@ -0,0 +1,14 @@
+obj = hullsdr_post.o
+so = hullsdr_post.so
+
+CC = gcc
+CFLAGS = -pedantic -Wall -g -fPIC
+LDFLAGS = -limago -ldsys -ldrawtext -lGL -lGLU -lglut
+
+$(so): $(obj)
+	$(CC) -o $@ -shared $(obj) $(LDFLAGS)
+
+
+.PHONY: clean
+clean:
+	rm -f $(obj) $(so)
diff -r 000000000000 -r 7f7342bfbb25 hullsdr/encode
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hullsdr/encode	Wed Oct 19 06:23:32 2011 +0300
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+ffmpeg -i output/frame%4d.png -vpre libvpx-720p -b 3900k -pass 1 -an -f webm -y output.webm
+
+ffmpeg -i output/frame%4d.png -vpre libvpx-720p -b 3900k -pass 2 -an -f webm -y output.webm
+#ffmpeg -i output/frame%4d.png -vpre libvpx-720p -b 3900k -pass 2 -acodec libvorbis -ab 100k -f webm -y output.webm
diff -r 000000000000 -r 7f7342bfbb25 hullsdr/hullsdr_post.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hullsdr/hullsdr_post.c	Wed Oct 19 06:23:32 2011 +0300
@@ -0,0 +1,177 @@
+#include <math.h>
+#include <assert.h>
+#include <GL/glut.h>
+#include <GL/freeglut_ext.h>
+#include <imago2.h>
+#include <drawtext.h>
+#include <dsys.h>
+
+static void disp(void);
+static void draw_text(void);
+static void reshape(int x, int y);
+
+static struct img_pixmap *curfrm;
+static int nfrm;
+static int xsz = -1, ysz;
+static float tsec;
+
+static struct dsys_demo *script;
+
+static struct dtx_font *font;
+
+static struct {
+	const char *name, *caption;
+	struct dsys_event *ev;
+} events[] = {
+	{"diffuse", "diffuse only - 1 light", 0},
+	{"diffuse2", "diffuse only - 2 lights", 0},
+	{"vmanip", "vertex manipulation", 0},
+	{"2tone", "two-tone paint", 0},
+	{"specular2", "full phong - 2 lights", 0},
+	{"celshade", "cel shading", 0},
+	{"sphmap", "reflection - spherical env. map", 0},
+	{"cubemap", "reflection - cubic env. map", 0},
+	{"refract", "relfection & refraction - cubic env. map w/fresnel", 0},
+	{"distort1", "image distortion", 0},
+	{"blur", "blur", 0},
+	{"distort2", "image distortion (again)", 0},
+	{0, 0, 0}
+};
+
+
+int init(void)
+{
+	int i, argc = 1;
+	char *argv[] = {"./vpost", 0};
+
+	if(!(font = dtx_open_font("linux-libertine.ttf", 32))) {
+		fprintf(stderr, "failed to open font\n");
+		return -1;
+	}
+
+	if(!(script = dsys_open("script"))) {
+		fprintf(stderr, "failed to open script\n");
+		return -1;
+	}
+
+	for(i=0; events[i].name; i++) {
+		events[i].ev = dsys_event(script, events[i].name);
+	}
+
+	glutInit(&argc, argv);
+	glutInitWindowSize(32, 32);
+	glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
+
+	glutCreateWindow("foo");
+
+	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+	glutDisplayFunc(disp);
+	glutReshapeFunc(reshape);
+	return 0;
+}
+
+void shutdown(void)
+{
+	printf("shutdown called\n");
+}
+
+int process(struct img_pixmap *frame, int frm_num, float sec)
+{
+	curfrm = frame;
+	nfrm = frm_num;
+	tsec = sec;
+
+	if(frame->width != xsz || frame->height != ysz) {
+		glutReshapeWindow(frame->width, frame->height);
+	}
+	glutPostRedisplay();
+
+	while(curfrm) {
+		glutMainLoopEvent();
+	}
+	return 0;
+}
+
+static void disp(void)
+{
+	assert(curfrm);
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	dsys_update(script, dsys_msec_to_dtime(nfrm));
+
+	glDrawPixels(xsz, ysz, GL_RGB, GL_UNSIGNED_BYTE, curfrm->pixels);
+
+	draw_text();
+
+	glFlush();
+	glReadPixels(0, 0, xsz, ysz, GL_RGB, GL_UNSIGNED_BYTE, curfrm->pixels);
+
+	glutSwapBuffers();
+	curfrm = 0;
+
+	assert(glGetError() == GL_NO_ERROR);
+}
+
+static float fade(float x)
+{
+	x = 1.0 - (cos((x) * M_PI * 2.0) * 0.5 + 0.5);
+	x *= 10.0f;
+
+	return x > 1.0 ? 1.0 : x;
+}
+
+static void caption(const char *text, struct dsys_event *ev)
+{
+	float t = fade(dsys_event_value(ev));
+
+	if(t < (1.0f / 255.0f)) {
+		return;
+	}
+
+	glMatrixMode(GL_MODELVIEW);
+	glPushMatrix();
+	glTranslatef(0, 40 * t - 20, 0);
+
+	glBegin(GL_QUADS);
+	glColor4f(0.7, 0.2, 0.1, t);
+	glVertex2f(0, -10);
+	glVertex2f(xsz, -10);
+	glVertex2f(xsz, 30);
+	glVertex2f(0, 30);
+	glEnd();
+
+	glTranslatef(20, 0, 0);
+
+	glColor4f(1, 1, 1, t);
+	dtx_string(text);
+
+	glPopMatrix();
+}
+
+
+static void draw_text(void)
+{
+	int i;
+	dtx_use_font(font, 32);
+
+	glPushAttrib(GL_ENABLE_BIT);
+	glEnable(GL_BLEND);
+
+	for(i=0; events[i].name; i++) {
+		caption(events[i].caption, events[i].ev);
+	}
+
+	glPopAttrib();
+}
+
+static void reshape(int x, int y)
+{
+	xsz = x;
+	ysz = y;
+
+	glViewport(0, 0, x, y);
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+	glOrtho(0, x, y, 0, -1, 1);
+}
diff -r 000000000000 -r 7f7342bfbb25 hullsdr/script
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hullsdr/script	Wed Oct 19 06:23:32 2011 +0300
@@ -0,0 +1,12 @@
+0		341		diffuse
+342		667		diffuse2
+668		845		vmanip
+846		1412	2tone
+1413	1933	specular2
+1934	2451	celshade
+2452	2763	sphmap
+2764	3538	cubemap
+3539	4666	refract
+4667	5525	distort1
+5526	5610	blur
+5611	5954	distort2
diff -r 000000000000 -r 7f7342bfbb25 hullsdr/test
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hullsdr/test	Wed Oct 19 06:23:32 2011 +0300
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+rm -f output/frame*.png
+vpost -p ./hullsdr_post.so -i input/frame%04d.png -o output/frame%04d.png