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example8.C
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example8.C
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#include <stdio.h>
#include <ytpmv/modparser.H>
#include <ytpmv/common.H>
#include <ytpmv/simple.H>
#include <ytpmv/mmutil.H>
#include <math.h>
#include <unistd.h>
#include <assert.h>
#include <fstream>
#include <sstream>
#include <string>
#include <cerrno>
#include <algorithm>
#include <map>
using namespace std;
using namespace ytpmv;
string vertexShader = R"aaaaa(
#version 330 core
layout(location = 0) in vec3 myPos;
layout(location = 1) in vec3 objCenter;
layout(location = 2) in vec2 texPos;
uniform vec2 coordBase;
uniform mat2 coordTransform;
uniform float secondsRel;
uniform float secondsAbs;
uniform float userParams[16];
uniform mat4 proj;
smooth out vec2 uv;
void main() {
vec3 coords = myPos;
float sizeScale = userParams[4] * secondsRel;
coords.z = -1.0;
gl_Position = vec4(coords,1.0);
gl_Position.xy = coordBase + gl_Position.xy * coordTransform;
uv = texPos;
}
)aaaaa";
string shader = R"aaaaa(
float opacityScale = param(0) + param(5) * secondsRel;
opacityScale = clamp(opacityScale,0.0,1.0);
float radius = param(1);
vec2 aspect = vec2(resolution.x/resolution.y, 1.0);
float dist = length((pos-vec2(0.5,0.5))*aspect)*2;
float opacity = clamp(radius-pow(dist,5), 0.0, 1.0);
return vec4(texture2D(image, pos).rgb, opacityScale*opacity);
)aaaaa";
string shader_withborder = R"aaaaa(
float opacityScale = param(0) + param(5) * secondsRel;
opacityScale = clamp(opacityScale,0.0,1.0);
float radius = param(1);
vec2 aspect = vec2(resolution.x/resolution.y, 1.0);
float dist = length((pos-vec2(0.5,0.5))*aspect)*2;
// outside region
if(dist > radius) {
// add shadow
float distToBorder = dist-radius;
distToBorder += 0.3;
float opacity = clamp(1./pow(distToBorder*5,2), 0.0, 1.0);
return vec4(0.0,0.0,0.0,opacity);
}
if(radius-dist < 0.05)
return vec4(0.7,0.7,0.7,opacityScale*0.8);
return vec4(texture2D(image, pos).rgb, opacityScale);
)aaaaa";
void addBackingVideo(vector<VideoSegment>& videoSegments, double songEnd) {
DynamicVideoSource* source = new DynamicVideoSource("/persist/home_alone-1.ogv", 1354, 768);
source->fps = 23.75;
VideoSegment vs(source, -2.3, songEnd);
vs.zIndex = -100;
videoSegments.push_back(vs);
}
int main(int argc, char** argv) {
ytpmv::parseOptions(argc, argv);
string buf = get_file_contents("songs/home_alone.mod");
addSource("o", "sources/o_35000.wav", "", 3.5/30);
addSource("lol", "sources/lol_20800.wav", "sources/lol.mkv", 2.08/30);
addSource("ha", "sources/ha2_21070.wav", "", 2.107/30);
addSource("hum", "sources/bass1_4.wav",
"sources/bass1.mkv", 2.8/30, 2., 1.);
addSource("hum2", "sources/bass1_3.wav", "", 2.8/30, 1., 1.);
addSource("ya", "sources/drink.mp4",
"sources/drink.mp4", 2.45/30, 1., 1.);
addSource("aaaa", "sources/aaaa.wav",
"sources/aaaa.mp4", 1.5/30, 2., 2.);
addSource("perc1", "sources/perc1.mkv",
"sources/perc1.mkv", 1., 1., 1.);
addSource("perc2", "sources/perc2.mkv",
"sources/perc2.mkv", 1., 4., 1.);
getSource("hum2")->video = getSource("hum")->video;
SongInfo inf;
vector<Instrument> instr;
vector<Note> notes;
parseMod((uint8_t*)buf.data(), buf.length(), inf, instr, notes);
double bpm = inf.bpm;
//double bpm = inf.bpm*0.8;
// convert to audio and video segments
vector<AudioSegment> segments;
vector<VideoSegment> videoSegments;
int lastSegment[4] = {-1, -1, -1, -1};
bool lastOrientation[4] = {false, false, false, false};
double songEnd = 0;
for(int i=0;i<(int)notes.size();i++) {
double t = notes[i].end.absRow*60./bpm;
if(t>songEnd) songEnd = t;
}
fprintf(stderr, "SONG END: %f\n", songEnd);
for(int i=0;i<(int)notes.size();i++) {
Note& originalNote = notes[i];
Note n = originalNote;
Source* src = nullptr;
double pan = 0.5;
//Instrument& ins = instr.at(n.instrument==0?0:(n.instrument-1));
n.pitchSemitones -= 3;
// select source
switch(n.instrument) {
case 1:
src = getSource("hum2");
n.amplitudeDB += 3;
n.pitchSemitones += 24;
break;
case 2:
src = getSource("hum"); n.pitchSemitones+=24; n.amplitudeDB += 5;
break;
case 7:
src = getSource("lol"); n.pitchSemitones+=24; n.amplitudeDB += 27;
n.amplitudeDB -= (n.pitchSemitones)/3.;
break;
case 5: src = getSource("perc1"); n.pitchSemitones=-1; n.amplitudeDB += 5; break;
case 4: src = getSource("perc1"); n.pitchSemitones=0; n.amplitudeDB += 0; break;
case 3: src = getSource("perc2"); n.pitchSemitones=12; n.amplitudeDB += 0; break;
default: continue;
}
// add harmonics to the bass sample
if(n.instrument == 1 || n.instrument == 2) {
for(int harm = 2; harm<6; harm++) {
AudioSegment as(n, src->audio, bpm);
as.pitch *= harm;
//as.tempo *= harm;
for(int ch=0;ch<CHANNELS;ch++)
as.amplitude[ch] *= 1./(harm*harm);
segments.push_back(as);
}
}
// add bass
{
AudioSegment as(n, src->audio, bpm);
as.pitch *= 0.5;
for(int ch=0;ch<CHANNELS;ch++)
as.amplitude[ch] *= .2;
segments.push_back(as);
}
AudioSegment as(n, src->audio, bpm);
as.amplitude[0] *= (1-pan)*2;
as.amplitude[1] *= (pan)*2;
segments.push_back(as);
VideoSegment vs(n, src->video, bpm);
vs.vertexShader = &vertexShader;
vs.shader = &shader_withborder;
vs.vertexVarSizes[0] = 3;
vs.vertexVarSizes[1] = 3;
vs.vertexVarSizes[2] = 2;
vs.vertexVarSizes[3] = 0;
vs.zIndex = n.start.absRow + 1;
// set video clip position and size
// opacity radius, vx, vy, sizeScale opacityScale
vector<float> shaderParams = {1.0, 1., 0., 0., 0.1, 0.};
switch(n.channel) {
case 0: // percussion
vs.vertexes = genRectangleWithCenter(-0.8, -2, 2.2, 1, -1., -1., 2., 2.);
break;
case 1: // main melody 1
vs.vertexes = genRectangleWithCenter(-0.8, -1, 2.2, 2, -1., -1., 2., 2.);
break;
case 2: // main melody 2
vs.vertexes = genRectangleWithCenter(-2.2, -1, 0.8, 2, -1., -1., 2., 2.);
break;
case 3: // bass
vs.vertexes = genRectangleWithCenter(-2.2, -2, 0.8, 1, -1., -1., 2., 2.);
break;
default: continue;
}
if(n.channel == 1 || n.channel == 2) {
// this is a quiet note
if(originalNote.amplitudeDB < -7) {
// extend the last loud note
if(lastSegment[n.channel] >= 0)
videoSegments.at(lastSegment[n.channel]).endSeconds = vs.endSeconds;
//vs.zIndex = 5;
shaderParams[0] = 0.5;
for(int j=0; j<(int)vs.vertexes.size(); j+=8) {
vs.vertexes.at(j) += 0.05;
vs.vertexes.at(j+1) += 0.05;
}
} else {
// extend the last loud note
if(lastSegment[n.channel] >= 0)
videoSegments.at(lastSegment[n.channel]).endSeconds = vs.startSeconds;
//vs.endSeconds += 1;
lastSegment[n.channel] = (int)videoSegments.size();
// flip horizontally
lastOrientation[n.channel] = !lastOrientation[n.channel];
if(lastOrientation[n.channel]) {
for(int j=0; j<(int)vs.vertexes.size(); j+=8) {
vs.vertexes.at(j+6) = 1.0 - vs.vertexes.at(j+6);
}
}
}
}
vs.shaderParams = shaderParams;
videoSegments.push_back(vs);
}
// add the background video
addBackingVideo(videoSegments, songEnd);
defaultSettings.volume = 1./4;
//defaultSettings.skipToSeconds = 15;
ytpmv::run(argc, argv, segments, videoSegments);
return 0;
}