mirror of https://github.com/FreeRDP/FreeRDP
470 lines
10 KiB
C
470 lines
10 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* X11 Video Redirection
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*
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* Copyright 2010-2011 Vic Lee
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <winpr/crt.h>
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#include <sys/ipc.h>
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#include <sys/shm.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xatom.h>
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#include <X11/extensions/XShm.h>
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#include <freerdp/log.h>
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#include <freerdp/client/tsmf.h>
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#include "xf_tsmf.h"
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#ifdef WITH_XV
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#include <X11/extensions/Xv.h>
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#include <X11/extensions/Xvlib.h>
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static long xv_port = 0;
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struct xf_xv_context
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{
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long xv_port;
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Atom xv_colorkey_atom;
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int xv_image_size;
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int xv_shmid;
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char* xv_shmaddr;
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UINT32* xv_pixfmts;
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};
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typedef struct xf_xv_context xfXvContext;
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#define TAG CLIENT_TAG("x11")
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static BOOL xf_tsmf_is_format_supported(xfXvContext* xv, UINT32 pixfmt)
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{
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int i;
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if (!xv->xv_pixfmts)
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return FALSE;
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for (i = 0; xv->xv_pixfmts[i]; i++)
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{
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if (xv->xv_pixfmts[i] == pixfmt)
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return TRUE;
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}
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return FALSE;
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}
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int xf_tsmf_xv_video_frame_event(TsmfClientContext* tsmf, TSMF_VIDEO_FRAME_EVENT* event)
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{
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int i;
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int x, y;
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UINT32 width;
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UINT32 height;
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BYTE* data1;
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BYTE* data2;
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UINT32 pixfmt;
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UINT32 xvpixfmt;
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XvImage* image;
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int colorkey = 0;
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int numRects = 0;
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xfContext* xfc;
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xfXvContext* xv;
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XRectangle* xrects;
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XShmSegmentInfo shminfo;
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BOOL converti420yv12 = FALSE;
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if (!tsmf)
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return -1;
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xfc = (xfContext*) tsmf->custom;
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if (!xfc)
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return -1;
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xv = (xfXvContext*) xfc->xv_context;
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if (!xv)
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return -1;
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if (xv->xv_port == 0)
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return -1001;
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/* In case the player is minimized */
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if (event->x < -2048 || event->y < -2048 || event->numVisibleRects == 0)
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{
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return -1002;
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}
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xrects = NULL;
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numRects = event->numVisibleRects;
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if (numRects > 0)
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{
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xrects = (XRectangle*) calloc(numRects, sizeof(XRectangle));
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if (!xrects)
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return -1;
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for (i = 0; i < numRects; i++)
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{
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x = event->x + event->visibleRects[i].left;
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y = event->y + event->visibleRects[i].top;
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width = event->visibleRects[i].right - event->visibleRects[i].left;
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height = event->visibleRects[i].bottom - event->visibleRects[i].top;
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xrects[i].x = x;
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xrects[i].y = y;
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xrects[i].width = width;
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xrects[i].height = height;
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}
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}
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if (xv->xv_colorkey_atom != None)
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{
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XvGetPortAttribute(xfc->display, xv->xv_port, xv->xv_colorkey_atom, &colorkey);
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XSetFunction(xfc->display, xfc->gc, GXcopy);
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XSetFillStyle(xfc->display, xfc->gc, FillSolid);
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XSetForeground(xfc->display, xfc->gc, colorkey);
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if (event->numVisibleRects < 1)
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{
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XSetClipMask(xfc->display, xfc->gc, None);
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}
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else
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{
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XFillRectangles(xfc->display, xfc->window->handle, xfc->gc, xrects, numRects);
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}
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}
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else
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{
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XSetFunction(xfc->display, xfc->gc, GXcopy);
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XSetFillStyle(xfc->display, xfc->gc, FillSolid);
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if (event->numVisibleRects < 1)
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{
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XSetClipMask(xfc->display, xfc->gc, None);
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}
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else
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{
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XSetClipRectangles(xfc->display, xfc->gc, 0, 0, xrects, numRects, YXBanded);
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}
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}
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pixfmt = event->framePixFmt;
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if (xf_tsmf_is_format_supported(xv, pixfmt))
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{
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xvpixfmt = pixfmt;
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}
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else if (pixfmt == RDP_PIXFMT_I420 && xf_tsmf_is_format_supported(xv, RDP_PIXFMT_YV12))
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{
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xvpixfmt = RDP_PIXFMT_YV12;
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converti420yv12 = TRUE;
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}
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else if (pixfmt == RDP_PIXFMT_YV12 && xf_tsmf_is_format_supported(xv, RDP_PIXFMT_I420))
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{
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xvpixfmt = RDP_PIXFMT_I420;
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converti420yv12 = TRUE;
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}
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else
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{
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WLog_DBG(TAG, "pixel format 0x%X not supported by hardware.", pixfmt);
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free(xrects);
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return -1003;
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}
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image = XvShmCreateImage(xfc->display, xv->xv_port,
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xvpixfmt, 0, event->frameWidth, event->frameHeight, &shminfo);
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if (xv->xv_image_size != image->data_size)
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{
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if (xv->xv_image_size > 0)
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{
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shmdt(xv->xv_shmaddr);
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shmctl(xv->xv_shmid, IPC_RMID, NULL);
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}
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xv->xv_image_size = image->data_size;
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xv->xv_shmid = shmget(IPC_PRIVATE, image->data_size, IPC_CREAT | 0777);
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xv->xv_shmaddr = shmat(xv->xv_shmid, 0, 0);
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}
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shminfo.shmid = xv->xv_shmid;
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shminfo.shmaddr = image->data = xv->xv_shmaddr;
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shminfo.readOnly = FALSE;
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if (!XShmAttach(xfc->display, &shminfo))
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{
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XFree(image);
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free(xrects);
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WLog_DBG(TAG, "XShmAttach failed.");
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return -1004;
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}
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/* The video driver may align each line to a different size
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and we need to convert our original image data. */
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switch (pixfmt)
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{
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case RDP_PIXFMT_I420:
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case RDP_PIXFMT_YV12:
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/* Y */
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if (image->pitches[0] == event->frameWidth)
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{
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CopyMemory(image->data + image->offsets[0],
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event->frameData,
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event->frameWidth * event->frameHeight);
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}
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else
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{
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for (i = 0; i < event->frameHeight; i++)
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{
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CopyMemory(image->data + image->offsets[0] + i * image->pitches[0],
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event->frameData + i * event->frameWidth,
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event->frameWidth);
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}
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}
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/* UV */
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/* Conversion between I420 and YV12 is to simply swap U and V */
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if (!converti420yv12)
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{
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data1 = event->frameData + event->frameWidth * event->frameHeight;
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data2 = event->frameData + event->frameWidth * event->frameHeight +
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event->frameWidth * event->frameHeight / 4;
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}
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else
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{
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data2 = event->frameData + event->frameWidth * event->frameHeight;
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data1 = event->frameData + event->frameWidth * event->frameHeight +
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event->frameWidth * event->frameHeight / 4;
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image->id = pixfmt == RDP_PIXFMT_I420 ? RDP_PIXFMT_YV12 : RDP_PIXFMT_I420;
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}
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if (image->pitches[1] * 2 == event->frameWidth)
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{
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CopyMemory(image->data + image->offsets[1],
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data1,
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event->frameWidth * event->frameHeight / 4);
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CopyMemory(image->data + image->offsets[2],
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data2,
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event->frameWidth * event->frameHeight / 4);
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}
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else
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{
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for (i = 0; i < event->frameHeight / 2; i++)
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{
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CopyMemory(image->data + image->offsets[1] + i * image->pitches[1],
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data1 + i * event->frameWidth / 2,
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event->frameWidth / 2);
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CopyMemory(image->data + image->offsets[2] + i * image->pitches[2],
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data2 + i * event->frameWidth / 2,
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event->frameWidth / 2);
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}
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}
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break;
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default:
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CopyMemory(image->data, event->frameData, image->data_size <= event->frameSize ?
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image->data_size : event->frameSize);
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break;
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}
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XvShmPutImage(xfc->display, xv->xv_port, xfc->window->handle, xfc->gc,
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image, 0, 0, image->width, image->height,
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event->x, event->y, event->width, event->height, FALSE);
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if (xv->xv_colorkey_atom == None)
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XSetClipMask(xfc->display, xfc->gc, None);
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XSync(xfc->display, FALSE);
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XShmDetach(xfc->display, &shminfo);
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XFree(image);
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free(xrects);
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return 1;
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}
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int xf_tsmf_xv_init(xfContext* xfc, TsmfClientContext* tsmf)
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{
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int ret;
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unsigned int i;
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unsigned int version;
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unsigned int release;
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unsigned int event_base;
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unsigned int error_base;
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unsigned int request_base;
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unsigned int num_adaptors;
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xfXvContext* xv;
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XvAdaptorInfo* ai;
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XvAttribute* attr;
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XvImageFormatValues* fo;
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if (xfc->xv_context)
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return 1; /* context already created */
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xv = (xfXvContext*) calloc(1, sizeof(xfXvContext));
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if (!xv)
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return -1;
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xfc->xv_context = xv;
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xv->xv_colorkey_atom = None;
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xv->xv_image_size = 0;
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xv->xv_port = xv_port;
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if (!XShmQueryExtension(xfc->display))
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{
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WLog_DBG(TAG, "no xshm available.");
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return -1;
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}
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ret = XvQueryExtension(xfc->display, &version, &release, &request_base, &event_base, &error_base);
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if (ret != Success)
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{
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WLog_DBG(TAG, "XvQueryExtension failed %d.", ret);
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return -1;
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}
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WLog_DBG(TAG, "version %u release %u", version, release);
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ret = XvQueryAdaptors(xfc->display, DefaultRootWindow(xfc->display),
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&num_adaptors, &ai);
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if (ret != Success)
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{
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WLog_DBG(TAG, "XvQueryAdaptors failed %d.", ret);
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return -1;
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}
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for (i = 0; i < num_adaptors; i++)
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{
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WLog_DBG(TAG, "adapter port %ld-%ld (%s)", ai[i].base_id,
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ai[i].base_id + ai[i].num_ports - 1, ai[i].name);
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if (xv->xv_port == 0 && i == num_adaptors - 1)
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xv->xv_port = ai[i].base_id;
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}
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if (num_adaptors > 0)
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XvFreeAdaptorInfo(ai);
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if (xv->xv_port == 0)
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{
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WLog_DBG(TAG, "no adapter selected, video frames will not be processed.");
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return -1;
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}
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WLog_DBG(TAG, "selected %ld", xv->xv_port);
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attr = XvQueryPortAttributes(xfc->display, xv->xv_port, &ret);
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for (i = 0; i < (unsigned int)ret; i++)
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{
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if (strcmp(attr[i].name, "XV_COLORKEY") == 0)
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{
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xv->xv_colorkey_atom = XInternAtom(xfc->display, "XV_COLORKEY", FALSE);
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XvSetPortAttribute(xfc->display, xv->xv_port, xv->xv_colorkey_atom, attr[i].min_value + 1);
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break;
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}
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}
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XFree(attr);
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WLog_DBG(TAG, "xf_tsmf_init: pixel format ");
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fo = XvListImageFormats(xfc->display, xv->xv_port, &ret);
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if (ret > 0)
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{
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xv->xv_pixfmts = (UINT32*) calloc((ret + 1), sizeof(UINT32));
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for (i = 0; i < ret; i++)
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{
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xv->xv_pixfmts[i] = fo[i].id;
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WLog_DBG(TAG, "%c%c%c%c ", ((char*)(xv->xv_pixfmts + i))[0], ((char*)(xv->xv_pixfmts + i))[1],
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((char*)(xv->xv_pixfmts + i))[2], ((char*)(xv->xv_pixfmts + i))[3]);
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}
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xv->xv_pixfmts[i] = 0;
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}
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XFree(fo);
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if (tsmf)
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{
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xfc->tsmf = tsmf;
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tsmf->custom = (void*) xfc;
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tsmf->FrameEvent = xf_tsmf_xv_video_frame_event;
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}
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return 1;
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}
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int xf_tsmf_xv_uninit(xfContext* xfc, TsmfClientContext* tsmf)
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{
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xfXvContext* xv = (xfXvContext*) xfc->xv_context;
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if (xv)
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{
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if (xv->xv_image_size > 0)
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{
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shmdt(xv->xv_shmaddr);
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shmctl(xv->xv_shmid, IPC_RMID, NULL);
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}
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if (xv->xv_pixfmts)
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{
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free(xv->xv_pixfmts);
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xv->xv_pixfmts = NULL;
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}
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free(xv);
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xfc->xv_context = NULL;
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}
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if (xfc->tsmf)
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{
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xfc->tsmf->custom = NULL;
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xfc->tsmf = NULL;
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}
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return 1;
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}
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#endif
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int xf_tsmf_init(xfContext* xfc, TsmfClientContext* tsmf)
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{
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#ifdef WITH_XV
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return xf_tsmf_xv_init(xfc, tsmf);
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#endif
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return 1;
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}
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int xf_tsmf_uninit(xfContext* xfc, TsmfClientContext* tsmf)
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{
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#ifdef WITH_XV
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return xf_tsmf_xv_uninit(xfc, tsmf);
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#endif
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return 1;
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}
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