mirror of
https://github.com/brunoherbelin/vimix.git
synced 2026-01-23 15:21:05 +01:00
Implementation of new type of source: Pattern generator (GUI, icons,
saving). A new class for gstreamer stream (Stream) is defined for generic pipeline sources; to be integrated (inheritance) into MediaPlayer.
This commit is contained in:
brunoherbelin
264
PatternSource.cpp
Normal file
264
PatternSource.cpp
Normal file
@@ -0,0 +1,264 @@
|
||||
#include <sstream>
|
||||
#include <glm/gtc/matrix_transform.hpp>
|
||||
|
||||
#include "PatternSource.h"
|
||||
|
||||
#include "defines.h"
|
||||
#include "ImageShader.h"
|
||||
#include "ImageProcessingShader.h"
|
||||
#include "Resource.h"
|
||||
#include "Primitives.h"
|
||||
#include "Stream.h"
|
||||
#include "Visitor.h"
|
||||
#include "Log.h"
|
||||
|
||||
// smpte (0) – SMPTE 100%% color bars
|
||||
// snow (1) – Random (television snow)
|
||||
// black (2) – 100%% Black
|
||||
// white (3) – 100%% White
|
||||
// red (4) – Red
|
||||
// green (5) – Green
|
||||
// blue (6) – Blue
|
||||
// checkers-1 (7) – Checkers 1px
|
||||
// checkers-2 (8) – Checkers 2px
|
||||
// checkers-4 (9) – Checkers 4px
|
||||
// checkers-8 (10) – Checkers 8px
|
||||
// circular (11) – Circular
|
||||
// blink (12) – Blink
|
||||
// smpte75 (13) – SMPTE 75%% color bars
|
||||
// zone-plate (14) – Zone plate
|
||||
// gamut (15) – Gamut checkers
|
||||
// chroma-zone-plate (16) – Chroma zone plate
|
||||
// solid-color (17) – Solid color
|
||||
// ball (18) – Moving ball
|
||||
// smpte100 (19) – SMPTE 100%% color bars
|
||||
// bar (20) – Bar
|
||||
// pinwheel (21) – Pinwheel
|
||||
// spokes (22) – Spokes
|
||||
// gradient (23) – Gradient
|
||||
// colors (24) – Colors
|
||||
const char* pattern_internal_[25] = { "videotestsrc pattern=black",
|
||||
"videotestsrc pattern=white",
|
||||
"frei0r-src-test-pat-l",
|
||||
"videotestsrc pattern=gradient",
|
||||
"videotestsrc pattern=checkers-1 ! video/x-raw,format=GRAY8 ! videoconvert",
|
||||
"frei0r-src-test-pat-g",
|
||||
"videotestsrc pattern=circular",
|
||||
"videotestsrc pattern=pinwheel",
|
||||
"videotestsrc pattern=spokes",
|
||||
"videotestsrc pattern=red",
|
||||
"videotestsrc pattern=green",
|
||||
"videotestsrc pattern=blue",
|
||||
"videotestsrc pattern=smpte100",
|
||||
"frei0r-src-test-pat-c",
|
||||
"videotestsrc pattern=colors",
|
||||
"videotestsrc pattern=smpte",
|
||||
"videotestsrc pattern=snow",
|
||||
"videotestsrc pattern=blink",
|
||||
"videotestsrc pattern=zone-plate",
|
||||
"videotestsrc pattern=chroma-zone-plate",
|
||||
"videotestsrc pattern=bar horizontal-speed=5",
|
||||
"videotestsrc pattern=ball",
|
||||
"frei0r-src-ising0r",
|
||||
"videotestsrc pattern=black ! timeoverlay halignment=center valignment=center font-desc=\"Sans, 72\" ",
|
||||
"videotestsrc pattern=black ! clockoverlay halignment=center valignment=center font-desc=\"Sans, 72\" "
|
||||
};
|
||||
|
||||
|
||||
const char* Pattern::pattern_names[25] = { "100% Black",
|
||||
"100% White",
|
||||
"Gray bars",
|
||||
"Gradient",
|
||||
"Checkers 1x1 px",
|
||||
"Checkerboard",
|
||||
"Circles",
|
||||
"Pinwheel",
|
||||
"Spokes",
|
||||
"100% Red",
|
||||
"100% Green",
|
||||
"100% Blue",
|
||||
"Color bars",
|
||||
"Color Gradient",
|
||||
"Color grid",
|
||||
"SMPTE test pattern",
|
||||
"Television snow",
|
||||
"Blink",
|
||||
"Fresnel zone plate",
|
||||
"Chroma zone plate",
|
||||
"Moving bar",
|
||||
"Moving ball",
|
||||
"Blob",
|
||||
"Timer",
|
||||
"Clock"
|
||||
};
|
||||
|
||||
Pattern::Pattern(glm::ivec2 res) : Stream()
|
||||
{
|
||||
|
||||
width_ = res.x;
|
||||
height_ = res.y;
|
||||
}
|
||||
|
||||
|
||||
void Pattern::open( uint pattern )
|
||||
{
|
||||
std::string gstreamer_pattern = pattern_internal_[pattern];
|
||||
|
||||
// always some special cases...
|
||||
switch(pattern)
|
||||
{
|
||||
case 16:
|
||||
case 17:
|
||||
{
|
||||
std::ostringstream oss;
|
||||
oss << " kx2=" << (int)(aspectRatio() * 10.f) << " ky2=10 kt=4";
|
||||
gstreamer_pattern += oss.str(); // Zone plate
|
||||
single_frame_ = false;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
// all patterns before index are single frames (not animated)
|
||||
single_frame_ = pattern < 13;
|
||||
|
||||
// (private) open stream
|
||||
open(gstreamer_pattern);
|
||||
}
|
||||
|
||||
void Pattern::open(std::string gstreamer_pattern)
|
||||
{
|
||||
// set gstreamer pipeline source
|
||||
description_ = gstreamer_pattern;
|
||||
|
||||
// close before re-openning
|
||||
if (isOpen())
|
||||
close();
|
||||
|
||||
execute_open();
|
||||
}
|
||||
|
||||
|
||||
PatternSource::PatternSource(glm::ivec2 resolution) : Source()
|
||||
{
|
||||
// create stream
|
||||
stream_ = new Pattern(resolution);
|
||||
|
||||
// create surface
|
||||
patternsurface_ = new Surface(renderingshader_);
|
||||
}
|
||||
|
||||
glm::ivec2 PatternSource::resolution()
|
||||
{
|
||||
return glm::ivec2( stream_->width(), stream_->height());
|
||||
}
|
||||
|
||||
PatternSource::~PatternSource()
|
||||
{
|
||||
// delete media surface & stream
|
||||
delete patternsurface_;
|
||||
delete stream_;
|
||||
}
|
||||
|
||||
bool PatternSource::failed() const
|
||||
{
|
||||
return stream_->failed();
|
||||
}
|
||||
|
||||
uint PatternSource::texture() const
|
||||
{
|
||||
return stream_->texture();
|
||||
}
|
||||
|
||||
void PatternSource::replaceRenderingShader()
|
||||
{
|
||||
patternsurface_->replaceShader(renderingshader_);
|
||||
}
|
||||
|
||||
void PatternSource::setPattern(int id)
|
||||
{
|
||||
pattern_ = CLAMP(id, 0, 25);
|
||||
|
||||
stream_->open(pattern_);
|
||||
stream_->play(true);
|
||||
|
||||
Log::Notify("Creating pattern %s", Pattern::pattern_names[pattern_]);
|
||||
}
|
||||
|
||||
|
||||
void PatternSource::init()
|
||||
{
|
||||
if ( stream_->isOpen() ) {
|
||||
|
||||
// update video
|
||||
stream_->update();
|
||||
|
||||
// once the texture of media player is created
|
||||
if (stream_->texture() != Resource::getTextureBlack()) {
|
||||
|
||||
// get the texture index from media player, apply it to the media surface
|
||||
patternsurface_->setTextureIndex( stream_->texture() );
|
||||
|
||||
// create Frame buffer matching size of media player
|
||||
float height = float(stream_->width()) / stream_->aspectRatio();
|
||||
FrameBuffer *renderbuffer = new FrameBuffer(stream_->width(), (uint)height, true);
|
||||
|
||||
// set the renderbuffer of the source and attach rendering nodes
|
||||
attach(renderbuffer);
|
||||
|
||||
// icon in mixing view
|
||||
overlays_[View::MIXING]->attach( new Symbol(Symbol::PATTERN, glm::vec3(0.8f, 0.8f, 0.01f)) );
|
||||
overlays_[View::LAYER]->attach( new Symbol(Symbol::PATTERN, glm::vec3(0.8f, 0.8f, 0.01f)) );
|
||||
|
||||
// done init
|
||||
initialized_ = true;
|
||||
Log::Info("Source Pattern linked to Stream %d.", stream_->description().c_str());
|
||||
|
||||
// force update of activation mode
|
||||
active_ = true;
|
||||
touch();
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
void PatternSource::setActive (bool on)
|
||||
{
|
||||
bool was_active = active_;
|
||||
|
||||
Source::setActive(on);
|
||||
|
||||
// change status of media player (only if status changed)
|
||||
if ( active_ != was_active ) {
|
||||
stream_->enable(active_);
|
||||
}
|
||||
}
|
||||
|
||||
void PatternSource::update(float dt)
|
||||
{
|
||||
Source::update(dt);
|
||||
|
||||
// update stream
|
||||
// TODO : update only if animated pattern
|
||||
stream_->update();
|
||||
}
|
||||
|
||||
void PatternSource::render()
|
||||
{
|
||||
if (!initialized_)
|
||||
init();
|
||||
else {
|
||||
// render the media player into frame buffer
|
||||
static glm::mat4 projection = glm::ortho(-1.f, 1.f, 1.f, -1.f, -1.f, 1.f);
|
||||
renderbuffer_->begin();
|
||||
patternsurface_->draw(glm::identity<glm::mat4>(), projection);
|
||||
renderbuffer_->end();
|
||||
}
|
||||
}
|
||||
|
||||
void PatternSource::accept(Visitor& v)
|
||||
{
|
||||
Source::accept(v);
|
||||
v.visit(*this);
|
||||
}
|
||||
Reference in New Issue
Block a user