output.cpp

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// Copyright (c) 2000-2001 Brad Hughes <bhughes@trolltech.com>
//
// Use, modification and distribution is allowed without limitation,
// warranty, or liability of any kind.
//
 
#include <algorithm>
 
#include <QCoreApplication>
 
#include "output.h"
#include "visual.h"
 
class QObject;
 
const QEvent::Type OutputEvent::kPlaying =
    (QEvent::Type) QEvent::registerEventType();
const QEvent::Type OutputEvent::kBuffering =
    (QEvent::Type) QEvent::registerEventType();
const QEvent::Type OutputEvent::kInfo =
    (QEvent::Type) QEvent::registerEventType();
const QEvent::Type OutputEvent::kPaused =
    (QEvent::Type) QEvent::registerEventType();
const QEvent::Type OutputEvent::kStopped =
    (QEvent::Type) QEvent::registerEventType();
const QEvent::Type OutputEvent::kError =
    (QEvent::Type) QEvent::registerEventType();
 
void OutputListeners::error(const QString &e)
{
    OutputEvent event(e);
    dispatch(event);
}
 
void OutputListeners::addVisual(MythTV::Visual *v)
{
    auto it = std::find(m_visuals.begin(), m_visuals.end(), v);
    if (it == m_visuals.end())
        m_visuals.push_back(v);
}
 
void OutputListeners::removeVisual(MythTV::Visual *v)
{
    auto it = std::find(m_visuals.begin(), m_visuals.end(), v);
    if (it != m_visuals.end())
        m_visuals.erase(it);
}
 
void OutputListeners::dispatchVisual(uchar *buffer, unsigned long b_len,
                                     std::chrono::milliseconds timecode,
                                     int chan, int prec)
{
    if (! buffer)
       return;
 
    for (auto & visual : m_visuals)
    {
        QMutexLocker locker(visual->mutex());
        visual->add(buffer, b_len, timecode, chan, prec);
    }
}
 
void OutputListeners::prepareVisuals()
{
    for (auto & visual : m_visuals)
    {
        QMutexLocker locker(visual->mutex());
        visual->prepare();
    }
}