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videovisualgoom.cpp
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videovisualgoom.cpp
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#include "mythlogging.h"
#include "mythmainwindow.h"
#ifdef USING_OPENGL
#include "mythrender_opengl.h"
#endif
#ifdef USING_VDPAU
#include "mythrender_vdpau.h"
#endif
extern "C" {
#include "goom/goom_tools.h"
#include "goom/goom_core.h"
}
#include "videovisualgoom.h"
VideoVisualGoom::VideoVisualGoom(AudioPlayer *audio, MythRender *render, bool hd)
: VideoVisual(audio, render), m_buffer(NULL), m_surface(0), m_hd(hd)
{
int max_width = m_hd ? 1200 : 600;
int max_height = m_hd ? 800 : 400;
MythMainWindow *mw = GetMythMainWindow();
QSize sz = mw ? mw->GetUIScreenRect().size() : QSize(600, 400);
int width = (sz.width() > max_width) ? max_width : sz.width();
int height = (sz.height() > max_height) ? max_height : sz.height();
m_area = QRect(0, 0, width, height);
goom_init(width, height, 0);
LOG(VB_GENERAL, LOG_INFO, QString("Initialised Goom (%1x%2)")
.arg(width).arg(height));
}
VideoVisualGoom::~VideoVisualGoom()
{
#ifdef USING_OPENGL
if (m_surface && m_render &&
(m_render->Type() == kRenderOpenGL1 ||
m_render->Type() == kRenderOpenGL2 ||
m_render->Type() == kRenderOpenGL2ES))
{
MythRenderOpenGL *glrender =
static_cast<MythRenderOpenGL*>(m_render);
if (glrender)
glrender->DeleteTexture(m_surface);
m_surface = 0;
}
#endif
#ifdef USING_VDPAU
if (m_surface && m_render &&
(m_render->Type() == kRenderVDPAU))
{
MythRenderVDPAU *render =
static_cast<MythRenderVDPAU*>(m_render);
if (render)
render->DestroyBitmapSurface(m_surface);
m_surface = 0;
}
#endif
goom_close();
}
void VideoVisualGoom::Draw(const QRect &area, MythPainter *painter,
QPaintDevice *device)
{
if (m_disabled || !m_render || area.isEmpty())
return;
QMutexLocker lock(mutex());
unsigned int* last = m_buffer;
VisualNode *node = GetNode();
if (node)
{
int numSamps = 512;
if (node->length < 512)
numSamps = node->length;
signed short int data[2][512];
int i= 0;
for (; i < numSamps; i++)
{
data[0][i] = node->left[i];
data[1][i] = node->right ? node->right[i] : data[0][i];
}
for (; i < 512; i++)
{
data[0][i] = 0;
data[1][i] = 0;
}
m_buffer = goom_update(data, 0);
}
#ifdef USING_OPENGL
if ((m_render->Type() == kRenderOpenGL1) ||
(m_render->Type() == kRenderOpenGL2) ||
(m_render->Type() == kRenderOpenGL2ES))
{
MythRenderOpenGL *glrender =
static_cast<MythRenderOpenGL*>(m_render);
if (!m_surface && glrender && m_buffer)
{
m_surface = glrender->CreateTexture(m_area.size(),
glrender->GetFeatures() & kGLExtPBufObj, 0,
GL_UNSIGNED_BYTE, GL_RGBA, GL_RGBA8,
GL_LINEAR_MIPMAP_LINEAR);
}
if (m_surface && glrender && m_buffer)
{
if (m_buffer != last)
{
bool copy = glrender->GetFeatures() & kGLExtPBufObj;
void* buf = glrender->GetTextureBuffer(m_surface, copy);
if (copy)
memcpy(buf, m_buffer, m_area.width() * m_area.height() * 4);
glrender->UpdateTexture(m_surface, (void*)m_buffer);
}
QRectF src(m_area);
QRectF dst(area);
glrender->DrawBitmap(&m_surface, 1, 0, &src, &dst, 0);
}
return;
}
#endif
#ifdef USING_VDPAU
if (m_render->Type() == kRenderVDPAU)
{
MythRenderVDPAU *render =
static_cast<MythRenderVDPAU*>(m_render);
if (!m_surface && render)
m_surface = render->CreateBitmapSurface(m_area.size());
if (m_surface && render && m_buffer)
{
if (m_buffer != last)
{
void *plane[1] = { m_buffer };
uint32_t pitch[1] = { static_cast<uint32_t>(m_area.width() * 4) };
render->UploadBitmap(m_surface, plane, pitch);
}
render->DrawBitmap(m_surface, 0, NULL, NULL, kVDPBlendNull, 255, 255, 255, 255);
}
return;
}
#endif
}
static class VideoVisualGoomFactory : public VideoVisualFactory
{
public:
const QString &name(void) const
{
static QString name("Goom");
return name;
}
VideoVisual *Create(AudioPlayer *audio,
MythRender *render) const
{
return new VideoVisualGoom(audio, render, false);
}
virtual bool SupportedRenderer(RenderType type)
{
return (type == kRenderVDPAU ||
type == kRenderOpenGL1 ||
type == kRenderOpenGL2 ||
type == kRenderOpenGL2ES);
}
} VideoVisualGoomFactory;
static class VideoVisualGoomHDFactory : public VideoVisualFactory
{
public:
const QString &name(void) const
{
static QString name("Goom HD");
return name;
}
VideoVisual *Create(AudioPlayer *audio,
MythRender *render) const
{
return new VideoVisualGoom(audio, render, true);
}
virtual bool SupportedRenderer(RenderType type)
{
return (type == kRenderVDPAU ||
type == kRenderOpenGL1 ||
type == kRenderOpenGL2 ||
type == kRenderOpenGL2ES);
}
} VideoVisualGoomHDFactory;