1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
/* This file is part of the KDE project.
Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
This library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2.1 or 3 of the License.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "videorenderer_vmr9.h"
#ifndef QT_NO_PHONON_VIDEO
#include <QtGui/QWidget>
#include <QtGui/QPainter>
#include <d3d9.h>
#include <vmr9.h>
QT_BEGIN_NAMESPACE
namespace Phonon
{
namespace DS9
{
VideoRendererVMR9::~VideoRendererVMR9()
{
}
bool VideoRendererVMR9::isNative() const
{
return true;
}
VideoRendererVMR9::VideoRendererVMR9(QWidget *target) : m_target(target)
{
m_filter = Filter(CLSID_VideoMixingRenderer9, IID_IBaseFilter);
if (!m_filter) {
return;
}
ComPointer<IVMRFilterConfig9> config(m_filter, IID_IVMRFilterConfig9);
Q_ASSERT(config);
HRESULT hr = config->SetRenderingMode(VMR9Mode_Windowless);
Q_ASSERT(SUCCEEDED(hr));
hr = config->SetNumberOfStreams(1); //for now we limit it to 1 input stream
Q_ASSERT(SUCCEEDED(hr));
ComPointer<IVMRWindowlessControl9> windowlessControl(m_filter, IID_IVMRWindowlessControl9);
windowlessControl->SetVideoClippingWindow(reinterpret_cast<HWND>(target->winId()));
windowlessControl->SetAspectRatioMode(VMR9ARMode_None); //we're in control of the size
}
QImage VideoRendererVMR9::snapshot() const
{
ComPointer<IVMRWindowlessControl9> windowlessControl(m_filter, IID_IVMRWindowlessControl9);
if (windowlessControl) {
BYTE *buffer = 0;
HRESULT hr = windowlessControl->GetCurrentImage(&buffer);
if (SUCCEEDED(hr)) {
const BITMAPINFOHEADER *bmi = reinterpret_cast<BITMAPINFOHEADER*>(buffer);
const int w = qAbs(bmi->biWidth),
h = qAbs(bmi->biHeight);
// Create image and copy data into image.
QImage ret(w, h, QImage::Format_RGB32);
if (!ret.isNull()) {
uchar *data = buffer + bmi->biSize;
const int bytes_per_line = w * sizeof(QRgb);
for (int y = h - 1; y >= 0; --y) {
qMemCopy(ret.scanLine(y), //destination
data, //source
bytes_per_line);
data += bytes_per_line;
}
}
::CoTaskMemFree(buffer);
return ret;
}
}
return QImage();
}
QSize VideoRendererVMR9::videoSize() const
{
LONG w = 0,
h = 0;
ComPointer<IVMRWindowlessControl9> windowlessControl(m_filter, IID_IVMRWindowlessControl9);
if (windowlessControl) {
windowlessControl->GetNativeVideoSize( &w, &h, 0, 0);
}
return QSize(w, h);
}
void VideoRendererVMR9::repaintCurrentFrame(QWidget *target, const QRect &rect)
{
HDC hDC = target->getDC();
// repaint the video
ComPointer<IVMRWindowlessControl9> windowlessControl(m_filter, IID_IVMRWindowlessControl9);
HRESULT hr = windowlessControl ? windowlessControl->RepaintVideo(target->winId(), hDC) : E_POINTER;
if (FAILED(hr) || m_dstY > 0 || m_dstX > 0) {
const QColor c = target->palette().color(target->backgroundRole());
COLORREF color = RGB(c.red(), c.green(), c.blue());
HPEN hPen = ::CreatePen(PS_SOLID, 1, color);
HBRUSH hBrush = ::CreateSolidBrush(color);
::SelectObject(hDC, hPen);
::SelectObject(hDC, hBrush);
// repaint the video
if (FAILED(hr)) {
//black background : we use the Win32 API to avoid the ghost effect of the backing store
::Rectangle(hDC, 0, 0, target->width(), target->height());
} else {
if (m_dstY > 0) {
::Rectangle(hDC, 0, 0, target->width(), m_dstY); //top
::Rectangle(hDC, 0, target->height() - m_dstY, target->width(), target->height()); //bottom
}
if (m_dstX > 0) {
::Rectangle(hDC, 0, m_dstY, m_dstX, m_dstHeight + m_dstY); //left
::Rectangle(hDC, m_dstWidth + m_dstX, m_dstY, target->width(), m_dstHeight + m_dstY); //right
}
}
::DeleteObject(hPen);
::DeleteObject(hBrush);
}
target->releaseDC(hDC);
}
void VideoRendererVMR9::notifyResize(const QSize &size, Phonon::VideoWidget::AspectRatio aspectRatio,
Phonon::VideoWidget::ScaleMode scaleMode)
{
if (!isActive()) {
RECT dummyRect = { 0, 0, 0, 0};
ComPointer<IVMRWindowlessControl9> windowlessControl(m_filter, IID_IVMRWindowlessControl9);
windowlessControl->SetVideoPosition(&dummyRect, &dummyRect);
return;
}
const QSize vsize = videoSize();
internalNotifyResize(size, vsize, aspectRatio, scaleMode);
RECT dstRectWin = { m_dstX, m_dstY, m_dstWidth + m_dstX, m_dstHeight + m_dstY};
RECT srcRectWin = { 0, 0, vsize.width(), vsize.height()};
ComPointer<IVMRWindowlessControl9> windowlessControl(m_filter, IID_IVMRWindowlessControl9);
if (windowlessControl) {
windowlessControl->SetVideoPosition(&srcRectWin, &dstRectWin);
}
}
void VideoRendererVMR9::applyMixerSettings(qreal brightness, qreal contrast, qreal hue, qreal saturation)
{
InputPin sink = BackendNode::pins(m_filter, PINDIR_INPUT).first();
OutputPin source;
if (FAILED(sink->ConnectedTo(source.pparam()))) {
return; //it must be connected to work
}
//get the mixer (used for brightness/contrast/saturation/hue)
ComPointer<IVMRMixerControl9> mixer(m_filter, IID_IVMRMixerControl9);
Q_ASSERT(mixer);
VMR9ProcAmpControl ctrl;
ctrl.dwSize = sizeof(ctrl);
ctrl.dwFlags = ProcAmpControl9_Contrast | ProcAmpControl9_Brightness | ProcAmpControl9_Saturation | ProcAmpControl9_Hue;
VMR9ProcAmpControlRange range;
range.dwSize = sizeof(range);
range.dwProperty = ProcAmpControl9_Contrast;
HRESULT hr = mixer->GetProcAmpControlRange(0, &range);
if (FAILED(hr)) {
return;
}
ctrl.Contrast = ((contrast < 0 ? range.MinValue : range.MaxValue) - range.DefaultValue) * qAbs(contrast) + range.DefaultValue;
//brightness
range.dwProperty = ProcAmpControl9_Brightness;
hr = mixer->GetProcAmpControlRange(0, &range);
if (FAILED(hr)) {
return;
}
ctrl.Brightness = ((brightness < 0 ? range.MinValue : range.MaxValue) - range.DefaultValue) * qAbs(brightness) + range.DefaultValue;
//saturation
range.dwProperty = ProcAmpControl9_Saturation;
hr = mixer->GetProcAmpControlRange(0, &range);
if (FAILED(hr)) {
return;
}
ctrl.Saturation = ((saturation < 0 ? range.MinValue : range.MaxValue) - range.DefaultValue) * qAbs(saturation) + range.DefaultValue;
//hue
range.dwProperty = ProcAmpControl9_Hue;
hr = mixer->GetProcAmpControlRange(0, &range);
if (FAILED(hr)) {
return;
}
ctrl.Hue = ((hue < 0 ? range.MinValue : range.MaxValue) - range.DefaultValue) * qAbs(hue) + range.DefaultValue;
//finally set the settings
mixer->SetProcAmpControl(0, &ctrl);
}
}
}
QT_END_NAMESPACE
#endif //QT_NO_PHONON_VIDEO
|
