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-rw-r--r--mpeglib/lib/util/render/x11/imageXVDesk.cpp405
1 files changed, 405 insertions, 0 deletions
diff --git a/mpeglib/lib/util/render/x11/imageXVDesk.cpp b/mpeglib/lib/util/render/x11/imageXVDesk.cpp
new file mode 100644
index 00000000..e087ba40
--- /dev/null
+++ b/mpeglib/lib/util/render/x11/imageXVDesk.cpp
@@ -0,0 +1,405 @@
+/*
+ xfree 4.0 XV extension desk mode
+ Copyright (C) 2000 Martin Vogt
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Library General Public License as published by
+ the Free Software Foundation.
+
+ For more information look at the file COPYRIGHT in this package
+
+ */
+
+#include "imageXVDesk.h"
+
+#include <iostream>
+
+using namespace std;
+
+ImageXVDesk::ImageXVDesk() {
+
+ lSupport=false;
+
+ ditherWrapper=NULL;
+ supportedModes = _IMAGE_NONE;
+ setIdentifier("XV");
+
+ xWindow = NULL;
+
+#ifdef X11_XV
+ keepRatio = false;
+
+#endif
+}
+
+
+ImageXVDesk::~ImageXVDesk() {
+ if (ditherWrapper != NULL) {
+ delete ditherWrapper;
+ }
+ freeImage();
+}
+
+void ImageXVDesk::init(XWindow* xWindow, YUVPicture*)
+{
+#ifdef X11_XV
+ this->xWindow=xWindow;
+
+ xv_port=-1;
+ shmem_flag = 0;
+ yuv_image=NULL;
+ yuv_shminfo.shmaddr=NULL;
+ yuv_shminfo.shmid=-1;
+
+ if (XShmQueryExtension(xWindow->display)) shmem_flag = 1;
+ if (!shmem_flag) {
+ printf("no shmem available.\n");
+ return;
+ }
+
+
+ if (haveXVSupport(xWindow)==true) {
+ supportedModes = _IMAGE_DESK | _IMAGE_DOUBLE | _IMAGE_FULL | _IMAGE_RESIZE;
+ lSupport=true;
+ } else {
+ return;
+ }
+
+ if (ditherWrapper == NULL) {
+ ditherWrapper=new Dither2YUV();
+ }
+ imageID = -1;
+#endif
+}
+
+int ImageXVDesk::support() {
+ return lSupport;
+}
+
+int ImageXVDesk::openImage(int imageMode) {
+
+
+ if (imageMode & _IMAGE_FULL) {
+ XResizeWindow(xWindow->display, xWindow->window,
+ xWindow->screenptr->width, xWindow->screenptr->height);
+ setKeepRatio(true);
+ } else if (imageMode & _IMAGE_DOUBLE) {
+ XResizeWindow(xWindow->display, xWindow->window,
+ xWindow->width * 2, xWindow->height * 2);
+ setKeepRatio(false);
+ } else {
+ setKeepRatio(false);
+ }
+
+ return true;
+}
+
+
+int ImageXVDesk::closeImage() {
+ freeImage();
+ return true;
+}
+
+void ImageXVDesk::ditherImage(YUVPicture* pic) {
+
+#ifdef X11_XV
+ int x_return;
+ int y_return;
+ int height, dy;
+ unsigned int border_width_return;
+ unsigned int depth_return;
+ unsigned int _w;
+ unsigned int _h;
+ Window _dw;
+
+ if (xWindow == NULL) {
+ cout << "ImageXVDesk::ditherImage - you have to call before dithering an image!" << endl;
+ return;
+ }
+
+ // check for not supported formats and if possible convert them
+ int inputType=pic->getImageType();
+ if (inputType == PICTURE_RGB_FLIPPED) {
+ cout << "xv for flipped rgb not implemented"<<endl;
+ return;
+ }
+
+ // create xv image
+ int id;
+ if (imageID != pic->getImageType()) {
+ imageID = pic->getImageType();
+ switch (imageID) {
+ case PICTURE_YUVMODE_CR_CB:
+ case PICTURE_YUVMODE_CB_CR:
+ case PICTURE_RGB:
+ id = GUID_YUV12_PLANAR;
+ break;
+ case PICTURE_YUVMODE_YUY2:
+ id = GUID_YUY2_PACKED;
+ break;
+ case PICTURE_YUVMODE_UYVY:
+ id = GUID_UYVY_PACKED;
+ break;
+ default:
+ cout << "unknown type for yuv image!" << endl;
+ return;
+ }
+ freeImage();
+
+ createImage(id);
+ }
+
+ XGetGeometry(xWindow->display,(Drawable)xWindow->window,
+ &_dw, &x_return, &y_return, &_w, &_h,
+ &border_width_return, &depth_return);
+
+ // now dither the image
+
+ // we (currently) cannot create yuvPicture _in_
+ // the shared segment here we copy it
+
+ unsigned char* image=pic->getImagePtr();
+ if (inputType == PICTURE_RGB) {
+ ditherWrapper->doDither(pic,
+ DefaultDepth(xWindow->display,xWindow->screennum),
+ _SIZE_NORMAL, (unsigned char*) yuv_image->data, 0);
+ } else {
+ memcpy(yuv_image->data,image,pic->getImageSize());
+ }
+
+ if (keepRatio) {
+ height = (_w * yuv_image->height) / yuv_image->width;
+ dy = (((int) _h) - height + 1) / 2;
+ XvShmPutImage(xWindow->display, xv_port,xWindow->window,
+ xWindow->gc, yuv_image,
+ 0, 0, yuv_image->width, yuv_image->height,
+ 0, dy, _w, height, False);
+ if (dy > 0) {
+ XFillRectangle(xWindow->display, xWindow->window,xWindow->gc,
+ 0, 0, _w, dy);
+ XFillRectangle(xWindow->display, xWindow->window,xWindow->gc,
+ 0, height+dy-1, _w, dy+1);
+ }
+ } else {
+ XvShmPutImage(xWindow->display, xv_port,xWindow->window,
+ xWindow->gc, yuv_image,
+ 0, 0, yuv_image->width, yuv_image->height,
+ 0, 0, _w, _h, False);
+ }
+#endif
+}
+
+
+void ImageXVDesk::putImage() {
+
+ //XFlush(xWindow->display);
+ XSync(xWindow->display, false);
+}
+
+void ImageXVDesk::setKeepRatio(bool enable)
+{
+#ifdef X11_XV
+ keepRatio = enable;
+#endif
+}
+
+
+int ImageXVDesk::haveXVSupport(XWindow* xWindow) {
+#ifdef X11_XV
+ int ret;
+ unsigned int p_version=0;
+ unsigned int p_release=0;
+ unsigned int p_request_base=0;
+ unsigned int p_event_base=0;
+ unsigned int p_error_base=0;
+
+ unsigned int p_num_adaptors=0;
+
+ /**------------------------------- XV ------------------------------------*/
+
+ /** query and print Xvideo properties */
+
+ ret = XvQueryExtension(xWindow->display,
+ &p_version, &p_release, &p_request_base,
+ &p_event_base, &p_error_base);
+ if (ret != Success) {
+ if (ret == XvBadExtension) {
+ printf("XvBadExtension returned at XvQueryExtension.\n");
+ } else if (ret == XvBadAlloc) {
+ printf("XvBadAlloc returned at XvQueryExtension.\n");
+ } else {
+ printf("other error happened at XvQueryExtension.\n");
+ }
+ return false;
+ }
+ /*
+ printf("========================================\n");
+ printf("XvQueryExtension returned the following:\n");
+ printf("p_version : %u\n", p_version);
+ printf("p_release : %u\n", p_release);
+ printf("p_request_base : %u\n", p_request_base);
+ printf("p_event_base : %u\n", p_event_base);
+ printf("p_error_base : %u\n", p_error_base);
+ printf("========================================\n");
+ */
+
+ ret = XvQueryAdaptors(xWindow->display, DefaultRootWindow(xWindow->display),
+ &p_num_adaptors, &ai);
+
+ if (ret != Success) {
+ if (ret == XvBadExtension) {
+ printf("XvBadExtension returned at XvQueryExtension.\n");
+ } else if (ret == XvBadAlloc) {
+ printf("XvBadAlloc returned at XvQueryExtension.\n");
+ } else {
+ printf("other error happaned at XvQueryAdaptors.\n");
+ }
+ return false;
+ }
+ /*
+ printf("=======================================\n");
+ printf("XvQueryAdaptors returned the following:\n");
+ printf("%d adaptors available.\n", p_num_adaptors);
+ */
+ if (p_num_adaptors == 0) {
+ //cout << "no adaptors found. XV not possible"<<endl;
+ return false;
+ }
+
+ unsigned int i;
+ unsigned int j;
+
+ for (i = 0; i < p_num_adaptors; i++) {
+ /*
+ printf(" name: %s\n"
+ " type: %s%s%s%s%s\n"
+ " ports: %ld\n"
+ " first port: %ld\n",
+ ai[i].name,
+ (ai[i].type & XvInputMask) ? "input | " : "",
+ (ai[i].type & XvOutputMask) ? "output | " : "",
+ (ai[i].type & XvVideoMask) ? "video | " : "",
+ (ai[i].type & XvStillMask) ? "still | " : "",
+ (ai[i].type & XvImageMask) ? "image | " : "",
+ ai[i].num_ports,
+ ai[i].base_id);
+ */
+ xv_port = ai[i].base_id;
+
+ //printf("adaptor %d ; format list:\n", i);
+ for (j = 0; j < ai[i].num_formats; j++) {
+ /*
+ printf(" depth=%d, visual=%ld\n",
+ ai[i].formats[j].depth,
+ ai[i].formats[j].visual_id);
+ */
+ }
+ unsigned int p;
+ unsigned int encodings;
+ int attributes;
+ int formats;
+
+ for (p = ai[i].base_id; p < ai[i].base_id+ai[i].num_ports; p++) {
+
+ //printf(" encoding list for port %d\n", p);
+ if (XvQueryEncodings(xWindow->display, p, &encodings, &ei) != Success) {
+ //printf("XvQueryEncodings failed.\n");
+ continue;
+ }
+ for (j = 0; j < encodings; j++) {
+ /*
+ printf(" id=%ld, name=%s, size=%ldx%ld, numerator=%d, denominator=%d\n",
+ ei[j].encoding_id, ei[j].name, ei[j].width, ei[j].height,
+ ei[j].rate.numerator, ei[j].rate.denominator);
+ */
+ }
+ XvFreeEncodingInfo(ei);
+ int k;
+ //printf(" attribute list for port %d\n", p);
+ at = XvQueryPortAttributes(xWindow->display, p, &attributes);
+ for (k = 0; k < attributes; k++) {
+ /*
+ printf(" name: %s\n"
+ " flags: %s%s\n"
+ " min_color: %i\n"
+ " max_color: %i\n",
+ at[k].name,
+ (at[k].flags & XvGettable) ? " get" : "",
+ (at[k].flags & XvSettable) ? " set" : "",
+ at[k].min_value, at[k].max_value);
+ */
+ }
+ if (at)
+ XFree(at);
+
+ //printf(" image format list for port %d\n", p);
+ fo = XvListImageFormats(xWindow->display, p, &formats);
+ for (k = 0; k < formats; k++) {
+ /*
+ printf(" 0x%x (%4.4s) %s\n",
+ fo[k].id,
+ (char *)&fo[k].id,
+ (fo[k].format == XvPacked) ? "packed" : "planar");
+ */
+ }
+ if (fo)
+ XFree(fo);
+ }
+ printf("\n");
+ }
+ if (p_num_adaptors > 0)
+ XvFreeAdaptorInfo(ai);
+ if (xv_port == -1) {
+ return false;
+ }
+#endif
+ return true;
+
+}
+
+
+void ImageXVDesk::freeImage() {
+#ifdef X11_XV
+ if (xWindow == NULL) {
+ return;
+ }
+ if (yuv_shminfo.shmid >=0) {
+ XShmDetach(xWindow->display,&yuv_shminfo);
+ if(yuv_shminfo.shmaddr) {
+ shmdt(yuv_shminfo.shmaddr);
+ XFree(yuv_image);
+ yuv_shminfo.shmaddr=NULL;
+ }
+ XSync(xWindow->display, False);
+ yuv_shminfo.shmid=-1;
+ }
+#endif
+}
+
+
+void ImageXVDesk::createImage(int id) {
+#ifdef X11_XV
+ if (xWindow == NULL) {
+ cout << "ImageXVDesk::freeImage - you have to call init before creating an image!" << endl;
+ return;
+ }
+
+ yuv_image = XvShmCreateImage(xWindow->display, xv_port,
+ id, 0,
+ xWindow->width,
+ xWindow->height, &yuv_shminfo);
+
+ yuv_shminfo.shmid = shmget(IPC_PRIVATE,
+ yuv_image->data_size, IPC_CREAT | 0777);
+ yuv_shminfo.shmaddr = yuv_image->data =
+ (char*)shmat(yuv_shminfo.shmid, 0, 0);
+ yuv_shminfo.readOnly = False;
+
+ if (!XShmAttach(xWindow->display, &yuv_shminfo)) {
+ printf("XShmAttach failed !\n");
+ lSupport=false;
+ return;
+ }
+ shmctl(yuv_shminfo.shmid, IPC_RMID, 0);
+#endif
+}
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