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https://github.com/brunoherbelin/vimix.git
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9e160fec51
depending on the live mode of the pipeline (detected at pipeline first status change). Cleanup and unified info debug messages of all stream sources.
132 lines
3.0 KiB
C++
132 lines
3.0 KiB
C++
#include <sstream>
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#include <glm/gtc/matrix_transform.hpp>
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#include "StreamSource.h"
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#include "defines.h"
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#include "ImageShader.h"
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#include "Resource.h"
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#include "Primitives.h"
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#include "Stream.h"
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#include "Visitor.h"
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#include "Log.h"
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GenericStreamSource::GenericStreamSource() : StreamSource()
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{
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// create stream
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stream_ = new Stream;
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// icon in mixing view
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overlays_[View::MIXING]->attach( new Symbol(Symbol::EMPTY, glm::vec3(0.8f, 0.8f, 0.01f)) );
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overlays_[View::LAYER]->attach( new Symbol(Symbol::EMPTY, glm::vec3(0.8f, 0.8f, 0.01f)) );
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}
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void GenericStreamSource::setDescription(const std::string &desc)
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{
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Log::Notify("Creating Source with Stream description '%s'", desc.c_str());
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stream_->open(desc);
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stream_->play(true);
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}
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void GenericStreamSource::accept(Visitor& v)
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{
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Source::accept(v);
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v.visit(*this);
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}
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StreamSource::StreamSource() : Source()
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{
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// create surface
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surface_ = new Surface(renderingshader_);
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}
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StreamSource::~StreamSource()
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{
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// delete media surface & stream
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delete surface_;
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delete stream_;
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}
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bool StreamSource::failed() const
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{
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return stream_->failed();
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}
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uint StreamSource::texture() const
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{
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return stream_->texture();
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}
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void StreamSource::replaceRenderingShader()
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{
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surface_->replaceShader(renderingshader_);
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}
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void StreamSource::init()
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{
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if ( stream_->isOpen() ) {
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// update video
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stream_->update();
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// once the texture of media player is created
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if (stream_->texture() != Resource::getTextureBlack()) {
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// get the texture index from media player, apply it to the media surface
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surface_->setTextureIndex( stream_->texture() );
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// create Frame buffer matching size of media player
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float height = float(stream_->width()) / stream_->aspectRatio();
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FrameBuffer *renderbuffer = new FrameBuffer(stream_->width(), (uint)height, true);
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// set the renderbuffer of the source and attach rendering nodes
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attach(renderbuffer);
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// done init
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initialized_ = true;
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Log::Info("Source '%s' linked to Stream %d.", name().c_str(), stream_->id());
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// force update of activation mode
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active_ = true;
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touch();
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}
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}
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}
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void StreamSource::setActive (bool on)
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{
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bool was_active = active_;
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Source::setActive(on);
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// change status of media player (only if status changed)
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if ( active_ != was_active ) {
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stream_->enable(active_);
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}
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}
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void StreamSource::update(float dt)
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{
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Source::update(dt);
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// update stream
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stream_->update();
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}
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void StreamSource::render()
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{
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if (!initialized_)
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init();
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else {
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// render the media player into frame buffer
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static glm::mat4 projection = glm::ortho(-1.f, 1.f, 1.f, -1.f, -1.f, 1.f);
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renderbuffer_->begin();
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surface_->draw(glm::identity<glm::mat4>(), projection);
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renderbuffer_->end();
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}
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}
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