|
1 /**************************************************************************** |
|
2 ** |
|
3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
|
4 ** All rights reserved. |
|
5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
|
6 ** |
|
7 ** This file is part of the Qt Mobility Components. |
|
8 ** |
|
9 ** $QT_BEGIN_LICENSE:LGPL$ |
|
10 ** No Commercial Usage |
|
11 ** This file contains pre-release code and may not be distributed. |
|
12 ** You may use this file in accordance with the terms and conditions |
|
13 ** contained in the Technology Preview License Agreement accompanying |
|
14 ** this package. |
|
15 ** |
|
16 ** GNU Lesser General Public License Usage |
|
17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
|
18 ** General Public License version 2.1 as published by the Free Software |
|
19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
|
20 ** packaging of this file. Please review the following information to |
|
21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
|
22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
|
23 ** |
|
24 ** In addition, as a special exception, Nokia gives you certain additional |
|
25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
|
26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
|
27 ** |
|
28 ** If you have questions regarding the use of this file, please contact |
|
29 ** Nokia at qt-info@nokia.com. |
|
30 ** |
|
31 ** |
|
32 ** |
|
33 ** |
|
34 ** |
|
35 ** |
|
36 ** |
|
37 ** |
|
38 ** $QT_END_LICENSE$ |
|
39 ** |
|
40 ****************************************************************************/ |
|
41 |
|
42 #include <QtCore/qvariant.h> |
|
43 #include <QtCore/qdebug.h> |
|
44 #include <QtGui/qx11info_x11.h> |
|
45 #include <qvideosurfaceformat.h> |
|
46 |
|
47 #ifndef QT_NO_XVIDEO |
|
48 |
|
49 #include "qx11videosurface.h" |
|
50 |
|
51 Q_DECLARE_METATYPE(XvImage*); |
|
52 |
|
53 struct XvFormatRgb |
|
54 { |
|
55 QVideoFrame::PixelFormat pixelFormat; |
|
56 int bits_per_pixel; |
|
57 int format; |
|
58 int num_planes; |
|
59 |
|
60 int depth; |
|
61 unsigned int red_mask; |
|
62 unsigned int green_mask; |
|
63 unsigned int blue_mask; |
|
64 |
|
65 }; |
|
66 |
|
67 bool operator ==(const XvImageFormatValues &format, const XvFormatRgb &rgb) |
|
68 { |
|
69 return format.type == XvRGB |
|
70 && format.bits_per_pixel == rgb.bits_per_pixel |
|
71 && format.format == rgb.format |
|
72 && format.num_planes == rgb.num_planes |
|
73 && format.depth == rgb.depth |
|
74 && format.red_mask == rgb.red_mask |
|
75 && format.blue_mask == rgb.blue_mask; |
|
76 } |
|
77 |
|
78 static const XvFormatRgb qt_xvRgbLookup[] = |
|
79 { |
|
80 { QVideoFrame::Format_ARGB32, 32, XvPacked, 1, 32, 0x00FF0000, 0x0000FF00, 0x000000FF }, |
|
81 { QVideoFrame::Format_RGB32 , 32, XvPacked, 1, 24, 0x00FF0000, 0x0000FF00, 0x000000FF }, |
|
82 { QVideoFrame::Format_RGB24 , 24, XvPacked, 1, 24, 0x00FF0000, 0x0000FF00, 0x000000FF }, |
|
83 { QVideoFrame::Format_RGB565, 16, XvPacked, 1, 16, 0x0000F800, 0x000007E0, 0x0000001F }, |
|
84 { QVideoFrame::Format_BGRA32, 32, XvPacked, 1, 32, 0xFF000000, 0x00FF0000, 0x0000FF00 }, |
|
85 { QVideoFrame::Format_BGR32 , 32, XvPacked, 1, 24, 0x00FF0000, 0x0000FF00, 0x000000FF }, |
|
86 { QVideoFrame::Format_BGR24 , 24, XvPacked, 1, 24, 0x00FF0000, 0x0000FF00, 0x000000FF }, |
|
87 { QVideoFrame::Format_BGR565, 16, XvPacked, 1, 16, 0x0000F800, 0x000007E0, 0x0000001F } |
|
88 }; |
|
89 |
|
90 struct XvFormatYuv |
|
91 { |
|
92 QVideoFrame::PixelFormat pixelFormat; |
|
93 int bits_per_pixel; |
|
94 int format; |
|
95 int num_planes; |
|
96 |
|
97 unsigned int y_sample_bits; |
|
98 unsigned int u_sample_bits; |
|
99 unsigned int v_sample_bits; |
|
100 unsigned int horz_y_period; |
|
101 unsigned int horz_u_period; |
|
102 unsigned int horz_v_period; |
|
103 unsigned int vert_y_period; |
|
104 unsigned int vert_u_period; |
|
105 unsigned int vert_v_period; |
|
106 char component_order[32]; |
|
107 }; |
|
108 |
|
109 bool operator ==(const XvImageFormatValues &format, const XvFormatYuv &yuv) |
|
110 { |
|
111 return format.type == XvYUV |
|
112 && format.bits_per_pixel == yuv.bits_per_pixel |
|
113 && format.format == yuv.format |
|
114 && format.num_planes == yuv.num_planes |
|
115 && format.y_sample_bits == yuv.y_sample_bits |
|
116 && format.u_sample_bits == yuv.u_sample_bits |
|
117 && format.v_sample_bits == yuv.v_sample_bits |
|
118 && format.horz_y_period == yuv.horz_y_period |
|
119 && format.horz_u_period == yuv.horz_u_period |
|
120 && format.horz_v_period == yuv.horz_v_period |
|
121 && format.horz_y_period == yuv.vert_y_period |
|
122 && format.vert_u_period == yuv.vert_u_period |
|
123 && format.vert_v_period == yuv.vert_v_period |
|
124 && qstrncmp(format.component_order, yuv.component_order, 32) == 0; |
|
125 } |
|
126 |
|
127 static const XvFormatYuv qt_xvYuvLookup[] = |
|
128 { |
|
129 { QVideoFrame::Format_YUV444 , 24, XvPacked, 1, 8, 8, 8, 1, 1, 1, 1, 1, 1, "YUV" }, |
|
130 { QVideoFrame::Format_YUV420P, 12, XvPlanar, 3, 8, 8, 8, 1, 2, 2, 1, 2, 2, "YUV" }, |
|
131 { QVideoFrame::Format_YV12 , 12, XvPlanar, 3, 8, 8, 8, 1, 2, 2, 1, 2, 2, "YVU" }, |
|
132 { QVideoFrame::Format_UYVY , 16, XvPacked, 1, 8, 8, 8, 1, 2, 2, 1, 1, 1, "UYVY" }, |
|
133 { QVideoFrame::Format_YUYV , 16, XvPacked, 1, 8, 8, 8, 1, 2, 2, 1, 1, 1, "YUY2" }, |
|
134 { QVideoFrame::Format_YUYV , 16, XvPacked, 1, 8, 8, 8, 1, 2, 2, 1, 1, 1, "YUYV" }, |
|
135 { QVideoFrame::Format_NV12 , 12, XvPlanar, 2, 8, 8, 8, 1, 2, 2, 1, 2, 2, "YUV" }, |
|
136 { QVideoFrame::Format_NV12 , 12, XvPlanar, 2, 8, 8, 8, 1, 2, 2, 1, 2, 2, "YVU" }, |
|
137 { QVideoFrame::Format_Y8 , 8 , XvPlanar, 1, 8, 0, 0, 1, 0, 0, 1, 0, 0, "Y" } |
|
138 }; |
|
139 |
|
140 QX11VideoSurface::QX11VideoSurface(QObject *parent) |
|
141 : QAbstractVideoSurface(parent) |
|
142 , m_winId(0) |
|
143 , m_portId(0) |
|
144 , m_gc(0) |
|
145 , m_image(0) |
|
146 { |
|
147 } |
|
148 |
|
149 QX11VideoSurface::~QX11VideoSurface() |
|
150 { |
|
151 if (m_gc) |
|
152 XFreeGC(QX11Info::display(), m_gc); |
|
153 |
|
154 if (m_portId != 0) |
|
155 XvUngrabPort(QX11Info::display(), m_portId, 0); |
|
156 } |
|
157 |
|
158 WId QX11VideoSurface::winId() const |
|
159 { |
|
160 return m_winId; |
|
161 } |
|
162 |
|
163 void QX11VideoSurface::setWinId(WId id) |
|
164 { |
|
165 //qDebug() << "setWinID:" << id; |
|
166 |
|
167 if (id == m_winId) |
|
168 return; |
|
169 |
|
170 if (m_image) |
|
171 XFree(m_image); |
|
172 |
|
173 if (m_gc) { |
|
174 XFreeGC(QX11Info::display(), m_gc); |
|
175 m_gc = 0; |
|
176 } |
|
177 |
|
178 if (m_portId != 0) |
|
179 XvUngrabPort(QX11Info::display(), m_portId, 0); |
|
180 |
|
181 m_supportedPixelFormats.clear(); |
|
182 m_formatIds.clear(); |
|
183 |
|
184 m_winId = id; |
|
185 |
|
186 if (m_winId && findPort()) { |
|
187 querySupportedFormats(); |
|
188 |
|
189 m_gc = XCreateGC(QX11Info::display(), m_winId, 0, 0); |
|
190 |
|
191 if (m_image) { |
|
192 m_image = 0; |
|
193 |
|
194 if (!start(surfaceFormat())) { |
|
195 QAbstractVideoSurface::stop(); |
|
196 qWarning() << "Failed to start video surface with format" << surfaceFormat(); |
|
197 } |
|
198 } |
|
199 } else { |
|
200 qWarning() << "Failed to find XVideo port"; |
|
201 if (m_image) { |
|
202 m_image = 0; |
|
203 |
|
204 QAbstractVideoSurface::stop(); |
|
205 } |
|
206 } |
|
207 |
|
208 emit supportedFormatsChanged(); |
|
209 } |
|
210 |
|
211 QRect QX11VideoSurface::displayRect() const |
|
212 { |
|
213 return m_displayRect; |
|
214 } |
|
215 |
|
216 void QX11VideoSurface::setDisplayRect(const QRect &rect) |
|
217 { |
|
218 m_displayRect = rect; |
|
219 } |
|
220 |
|
221 QRect QX11VideoSurface::viewport() const |
|
222 { |
|
223 return m_viewport; |
|
224 } |
|
225 |
|
226 void QX11VideoSurface::setViewport(const QRect &rect) |
|
227 { |
|
228 m_viewport = rect; |
|
229 } |
|
230 |
|
231 int QX11VideoSurface::brightness() const |
|
232 { |
|
233 return getAttribute("XV_BRIGHTNESS", m_brightnessRange.first, m_brightnessRange.second); |
|
234 } |
|
235 |
|
236 void QX11VideoSurface::setBrightness(int brightness) |
|
237 { |
|
238 setAttribute("XV_BRIGHTNESS", brightness, m_brightnessRange.first, m_brightnessRange.second); |
|
239 } |
|
240 |
|
241 int QX11VideoSurface::contrast() const |
|
242 { |
|
243 return getAttribute("XV_CONTRAST", m_contrastRange.first, m_contrastRange.second); |
|
244 } |
|
245 |
|
246 void QX11VideoSurface::setContrast(int contrast) |
|
247 { |
|
248 setAttribute("XV_CONTRAST", contrast, m_contrastRange.first, m_contrastRange.second); |
|
249 } |
|
250 |
|
251 int QX11VideoSurface::hue() const |
|
252 { |
|
253 return getAttribute("XV_HUE", m_hueRange.first, m_hueRange.second); |
|
254 } |
|
255 |
|
256 void QX11VideoSurface::setHue(int hue) |
|
257 { |
|
258 setAttribute("XV_HUE", hue, m_hueRange.first, m_hueRange.second); |
|
259 } |
|
260 |
|
261 int QX11VideoSurface::saturation() const |
|
262 { |
|
263 return getAttribute("XV_SATURATION", m_saturationRange.first, m_saturationRange.second); |
|
264 } |
|
265 |
|
266 void QX11VideoSurface::setSaturation(int saturation) |
|
267 { |
|
268 setAttribute("XV_SATURATION", saturation, m_saturationRange.first, m_saturationRange.second); |
|
269 } |
|
270 |
|
271 int QX11VideoSurface::getAttribute(const char *attribute, int minimum, int maximum) const |
|
272 { |
|
273 if (m_portId != 0) { |
|
274 Display *display = QX11Info::display(); |
|
275 |
|
276 Atom atom = XInternAtom(display, attribute, True); |
|
277 |
|
278 int value = 0; |
|
279 |
|
280 XvGetPortAttribute(display, m_portId, atom, &value); |
|
281 |
|
282 return redistribute(value, minimum, maximum, -100, 100); |
|
283 } else { |
|
284 return 0; |
|
285 } |
|
286 } |
|
287 |
|
288 void QX11VideoSurface::setAttribute(const char *attribute, int value, int minimum, int maximum) |
|
289 { |
|
290 if (m_portId != 0) { |
|
291 Display *display = QX11Info::display(); |
|
292 |
|
293 Atom atom = XInternAtom(display, attribute, True); |
|
294 |
|
295 XvSetPortAttribute( |
|
296 display, m_portId, atom, redistribute(value, -100, 100, minimum, maximum)); |
|
297 } |
|
298 } |
|
299 |
|
300 int QX11VideoSurface::redistribute( |
|
301 int value, int fromLower, int fromUpper, int toLower, int toUpper) |
|
302 { |
|
303 return fromUpper != fromLower |
|
304 ? ((value - fromLower) * (toUpper - toLower) / (fromUpper - fromLower)) + toLower |
|
305 : 0; |
|
306 } |
|
307 |
|
308 QList<QVideoFrame::PixelFormat> QX11VideoSurface::supportedPixelFormats( |
|
309 QAbstractVideoBuffer::HandleType handleType) const |
|
310 { |
|
311 return handleType == QAbstractVideoBuffer::NoHandle || handleType == QAbstractVideoBuffer::XvShmImageHandle |
|
312 ? m_supportedPixelFormats |
|
313 : QList<QVideoFrame::PixelFormat>(); |
|
314 } |
|
315 |
|
316 bool QX11VideoSurface::start(const QVideoSurfaceFormat &format) |
|
317 { |
|
318 if (m_image) |
|
319 XFree(m_image); |
|
320 |
|
321 int xvFormatId = 0; |
|
322 for (int i = 0; i < m_supportedPixelFormats.count(); ++i) { |
|
323 if (m_supportedPixelFormats.at(i) == format.pixelFormat()) { |
|
324 xvFormatId = m_formatIds.at(i); |
|
325 break; |
|
326 } |
|
327 } |
|
328 |
|
329 if (xvFormatId == 0) { |
|
330 setError(UnsupportedFormatError); |
|
331 } else { |
|
332 XvImage *image = XvCreateImage( |
|
333 QX11Info::display(), |
|
334 m_portId, |
|
335 xvFormatId, |
|
336 0, |
|
337 format.frameWidth(), |
|
338 format.frameHeight()); |
|
339 |
|
340 if (!image) { |
|
341 setError(ResourceError); |
|
342 } else { |
|
343 m_viewport = format.viewport(); |
|
344 m_image = image; |
|
345 |
|
346 QVideoSurfaceFormat newFormat = format; |
|
347 newFormat.setProperty("portId", QVariant(quint64(m_portId))); |
|
348 newFormat.setProperty("xvFormatId", xvFormatId); |
|
349 newFormat.setProperty("dataSize", image->data_size); |
|
350 |
|
351 return QAbstractVideoSurface::start(newFormat); |
|
352 } |
|
353 } |
|
354 |
|
355 if (m_image) { |
|
356 m_image = 0; |
|
357 |
|
358 QAbstractVideoSurface::stop(); |
|
359 } |
|
360 |
|
361 return false; |
|
362 } |
|
363 |
|
364 void QX11VideoSurface::stop() |
|
365 { |
|
366 if (m_image) { |
|
367 XFree(m_image); |
|
368 m_image = 0; |
|
369 |
|
370 QAbstractVideoSurface::stop(); |
|
371 } |
|
372 } |
|
373 |
|
374 bool QX11VideoSurface::present(const QVideoFrame &frame) |
|
375 { |
|
376 if (!m_image) { |
|
377 setError(StoppedError); |
|
378 return false; |
|
379 } else if (m_image->width != frame.width() || m_image->height != frame.height()) { |
|
380 setError(IncorrectFormatError); |
|
381 return false; |
|
382 } else { |
|
383 QVideoFrame frameCopy(frame); |
|
384 |
|
385 if (!frameCopy.map(QAbstractVideoBuffer::ReadOnly)) { |
|
386 setError(IncorrectFormatError); |
|
387 return false; |
|
388 } else { |
|
389 bool presented = false; |
|
390 |
|
391 if (frame.handleType() != QAbstractVideoBuffer::XvShmImageHandle && |
|
392 m_image->data_size > frame.mappedBytes()) { |
|
393 qWarning("Insufficient frame buffer size"); |
|
394 setError(IncorrectFormatError); |
|
395 } else if (frame.handleType() != QAbstractVideoBuffer::XvShmImageHandle && |
|
396 m_image->num_planes > 0 && |
|
397 m_image->pitches[0] != frame.bytesPerLine()) { |
|
398 qWarning("Incompatible frame pitches"); |
|
399 setError(IncorrectFormatError); |
|
400 } else { |
|
401 if (frame.handleType() != QAbstractVideoBuffer::XvShmImageHandle) { |
|
402 m_image->data = reinterpret_cast<char *>(frameCopy.bits()); |
|
403 |
|
404 //qDebug() << "copy frame"; |
|
405 XvPutImage( |
|
406 QX11Info::display(), |
|
407 m_portId, |
|
408 m_winId, |
|
409 m_gc, |
|
410 m_image, |
|
411 m_viewport.x(), |
|
412 m_viewport.y(), |
|
413 m_viewport.width(), |
|
414 m_viewport.height(), |
|
415 m_displayRect.x(), |
|
416 m_displayRect.y(), |
|
417 m_displayRect.width(), |
|
418 m_displayRect.height()); |
|
419 |
|
420 m_image->data = 0; |
|
421 } else { |
|
422 XvImage *img = frame.handle().value<XvImage*>(); |
|
423 |
|
424 //qDebug() << "render directly"; |
|
425 if (img) |
|
426 XvShmPutImage( |
|
427 QX11Info::display(), |
|
428 m_portId, |
|
429 m_winId, |
|
430 m_gc, |
|
431 img, |
|
432 m_viewport.x(), |
|
433 m_viewport.y(), |
|
434 m_viewport.width(), |
|
435 m_viewport.height(), |
|
436 m_displayRect.x(), |
|
437 m_displayRect.y(), |
|
438 m_displayRect.width(), |
|
439 m_displayRect.height(), |
|
440 false); |
|
441 } |
|
442 |
|
443 presented = true; |
|
444 } |
|
445 |
|
446 frameCopy.unmap(); |
|
447 |
|
448 return presented; |
|
449 } |
|
450 } |
|
451 } |
|
452 |
|
453 bool QX11VideoSurface::findPort() |
|
454 { |
|
455 unsigned int count = 0; |
|
456 XvAdaptorInfo *adaptors = 0; |
|
457 bool portFound = false; |
|
458 |
|
459 if (XvQueryAdaptors(QX11Info::display(), m_winId, &count, &adaptors) == Success) { |
|
460 #ifdef Q_WS_MAEMO_5 |
|
461 //the overlay xvideo adapter fails to switch winId, |
|
462 //prefer the "SGX Textured Video" adapter instead |
|
463 for (unsigned int i = count-1; i >=0 && !portFound; --i) { |
|
464 #else |
|
465 for (unsigned int i = 0; i < count && !portFound; ++i) { |
|
466 #endif |
|
467 if (adaptors[i].type & XvImageMask) { |
|
468 m_portId = adaptors[i].base_id; |
|
469 |
|
470 for (unsigned int j = 0; j < adaptors[i].num_ports && !portFound; ++j, ++m_portId) |
|
471 portFound = XvGrabPort(QX11Info::display(), m_portId, 0) == Success; |
|
472 } |
|
473 } |
|
474 XvFreeAdaptorInfo(adaptors); |
|
475 } |
|
476 |
|
477 return portFound; |
|
478 } |
|
479 |
|
480 void QX11VideoSurface::querySupportedFormats() |
|
481 { |
|
482 int count = 0; |
|
483 if (XvImageFormatValues *imageFormats = XvListImageFormats( |
|
484 QX11Info::display(), m_portId, &count)) { |
|
485 const int rgbCount = sizeof(qt_xvRgbLookup) / sizeof(XvFormatRgb); |
|
486 const int yuvCount = sizeof(qt_xvYuvLookup) / sizeof(XvFormatYuv); |
|
487 |
|
488 for (int i = 0; i < count; ++i) { |
|
489 switch (imageFormats[i].type) { |
|
490 case XvRGB: |
|
491 for (int j = 0; j < rgbCount; ++j) { |
|
492 if (imageFormats[i] == qt_xvRgbLookup[j]) { |
|
493 m_supportedPixelFormats.append(qt_xvRgbLookup[j].pixelFormat); |
|
494 m_formatIds.append(imageFormats[i].id); |
|
495 break; |
|
496 } |
|
497 } |
|
498 break; |
|
499 case XvYUV: |
|
500 for (int j = 0; j < yuvCount; ++j) { |
|
501 if (imageFormats[i] == qt_xvYuvLookup[j]) { |
|
502 m_supportedPixelFormats.append(qt_xvYuvLookup[j].pixelFormat); |
|
503 m_formatIds.append(imageFormats[i].id); |
|
504 break; |
|
505 } |
|
506 } |
|
507 break; |
|
508 } |
|
509 } |
|
510 XFree(imageFormats); |
|
511 } |
|
512 |
|
513 m_brightnessRange = qMakePair(0, 0); |
|
514 m_contrastRange = qMakePair(0, 0); |
|
515 m_hueRange = qMakePair(0, 0); |
|
516 m_saturationRange = qMakePair(0, 0); |
|
517 |
|
518 if (XvAttribute *attributes = XvQueryPortAttributes(QX11Info::display(), m_portId, &count)) { |
|
519 for (int i = 0; i < count; ++i) { |
|
520 if (qstrcmp(attributes[i].name, "XV_BRIGHTNESS") == 0) |
|
521 m_brightnessRange = qMakePair(attributes[i].min_value, attributes[i].max_value); |
|
522 else if (qstrcmp(attributes[i].name, "XV_CONTRAST") == 0) |
|
523 m_contrastRange = qMakePair(attributes[i].min_value, attributes[i].max_value); |
|
524 else if (qstrcmp(attributes[i].name, "XV_HUE") == 0) |
|
525 m_hueRange = qMakePair(attributes[i].min_value, attributes[i].max_value); |
|
526 else if (qstrcmp(attributes[i].name, "XV_SATURATION") == 0) |
|
527 m_saturationRange = qMakePair(attributes[i].min_value, attributes[i].max_value); |
|
528 } |
|
529 |
|
530 XFree(attributes); |
|
531 } |
|
532 } |
|
533 |
|
534 #endif //QT_NO_XVIDEO |
|
535 |