diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/video/Xext/Xv/Xv.c')
| -rw-r--r-- | distrib/sdl-1.2.12/src/video/Xext/Xv/Xv.c | 1151 |
1 files changed, 0 insertions, 1151 deletions
diff --git a/distrib/sdl-1.2.12/src/video/Xext/Xv/Xv.c b/distrib/sdl-1.2.12/src/video/Xext/Xv/Xv.c deleted file mode 100644 index 7147b9e..0000000 --- a/distrib/sdl-1.2.12/src/video/Xext/Xv/Xv.c +++ /dev/null @@ -1,1151 +0,0 @@ -/*********************************************************** -Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts, -and the Massachusetts Institute of Technology, Cambridge, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -provided that the above copyright notice appear in all copies and that -both that copyright notice and this permission notice appear in -supporting documentation, and that the names of Digital or MIT not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR -ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, -WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, -ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. - -******************************************************************/ -/* $XFree86: xc/lib/Xv/Xv.c,v 1.15 2001/05/11 08:23:22 alanh Exp $ */ -/* -** File: -** -** Xv.c --- Xv library extension module. -** -** Author: -** -** David Carver (Digital Workstation Engineering/Project Athena) -** -** Revisions: -** -** 26.06.91 Carver -** - changed XvFreeAdaptors to XvFreeAdaptorInfo -** - changed XvFreeEncodings to XvFreeEncodingInfo -** -** 11.06.91 Carver -** - changed SetPortControl to SetPortAttribute -** - changed GetPortControl to GetPortAttribute -** - changed QueryBestSize -** -** 15.05.91 Carver -** - version 2.0 upgrade -** -** 240.01.91 Carver -** - version 1.4 upgrade -** -*/ - -#include <stdio.h> -#include "Xvlibint.h" -#include "../extensions/Xext.h" -#include <X11/extensions/XShm.h> -#include "../extensions/extutil.h" - -static XExtensionInfo _xv_info_data; -static XExtensionInfo *xv_info = &_xv_info_data; -static char *xv_extension_name = XvName; - -#define XvCheckExtension(dpy, i, val) \ - XextCheckExtension(dpy, i, xv_extension_name, val) - -static char *xv_error_string(); -static int xv_close_display(); -static Bool xv_wire_to_event(); - -static XExtensionHooks xv_extension_hooks = { - NULL, /* create_gc */ - NULL, /* copy_gc */ - NULL, /* flush_gc */ - NULL, /* free_gc */ - NULL, /* create_font */ - NULL, /* free_font */ - xv_close_display, /* close_display */ - xv_wire_to_event, /* wire_to_event */ - NULL, /* event_to_wire */ - NULL, /* error */ - xv_error_string /* error_string */ -}; - - -static char *xv_error_list[] = -{ - "BadPort", /* XvBadPort */ - "BadEncoding", /* XvBadEncoding */ - "BadControl" /* XvBadControl */ -}; - -static XEXT_GENERATE_CLOSE_DISPLAY (xv_close_display, xv_info) - - -static XEXT_GENERATE_FIND_DISPLAY (xv_find_display, xv_info, - xv_extension_name, - &xv_extension_hooks, - XvNumEvents, NULL) - - -static XEXT_GENERATE_ERROR_STRING (xv_error_string, xv_extension_name, - XvNumErrors, xv_error_list) - - -int -SDL_NAME(XvQueryExtension)( - Display *dpy, - unsigned int *p_version, - unsigned int *p_revision, - unsigned int *p_requestBase, - unsigned int *p_eventBase, - unsigned int *p_errorBase -){ - XExtDisplayInfo *info = xv_find_display(dpy); - xvQueryExtensionReq *req; - xvQueryExtensionReply rep; - - XvCheckExtension(dpy, info, XvBadExtension); - - LockDisplay(dpy); - - XvGetReq(QueryExtension, req); - - if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { - UnlockDisplay(dpy); - SyncHandle(); - return XvBadExtension; - } - - *p_version = rep.version; - *p_revision = rep.revision; - *p_requestBase = info->codes->major_opcode; - *p_eventBase = info->codes->first_event; - *p_errorBase = info->codes->first_error; - - UnlockDisplay(dpy); - SyncHandle(); - - return Success; -} - -int -SDL_NAME(XvQueryAdaptors)( - Display *dpy, - Window window, - unsigned int *p_nAdaptors, - SDL_NAME(XvAdaptorInfo) **p_pAdaptors -){ - XExtDisplayInfo *info = xv_find_display(dpy); - xvQueryAdaptorsReq *req; - xvQueryAdaptorsReply rep; - int size,ii,jj; - char *name; - SDL_NAME(XvAdaptorInfo) *pas, *pa; - SDL_NAME(XvFormat) *pfs, *pf; - char *buffer; - union - { - char *buffer; - char *string; - xvAdaptorInfo *pa; - xvFormat *pf; - } u; - - XvCheckExtension(dpy, info, XvBadExtension); - - LockDisplay(dpy); - - XvGetReq(QueryAdaptors, req); - req->window = window; - - /* READ THE REPLY */ - - if (_XReply(dpy, (xReply *)&rep, 0, xFalse) == 0) { - UnlockDisplay(dpy); - SyncHandle(); - return(XvBadReply); - } - - size = rep.length << 2; - if ( (buffer = (char *)Xmalloc ((unsigned) size)) == NULL) { - UnlockDisplay(dpy); - SyncHandle(); - return(XvBadAlloc); - } - _XRead (dpy, buffer, size); - - u.buffer = buffer; - - /* GET INPUT ADAPTORS */ - - if (rep.num_adaptors == 0) { - pas = NULL; - } else { - size = rep.num_adaptors*sizeof(SDL_NAME(XvAdaptorInfo)); - if ((pas=(SDL_NAME(XvAdaptorInfo) *)Xmalloc(size))==NULL) { - Xfree(buffer); - UnlockDisplay(dpy); - SyncHandle(); - return(XvBadAlloc); - } - } - - /* INIT ADAPTOR FIELDS */ - - pa = pas; - for (ii=0; ii<rep.num_adaptors; ii++) { - pa->num_adaptors = 0; - pa->name = (char *)NULL; - pa->formats = (SDL_NAME(XvFormat) *)NULL; - pa++; - } - - pa = pas; - for (ii=0; ii<rep.num_adaptors; ii++) { - pa->type = u.pa->type; - pa->base_id = u.pa->base_id; - pa->num_ports = u.pa->num_ports; - pa->num_formats = u.pa->num_formats; - pa->num_adaptors = rep.num_adaptors - ii; - - /* GET ADAPTOR NAME */ - - size = u.pa->name_size; - u.buffer += (sz_xvAdaptorInfo + 3) & ~3; - - if ( (name = (char *)Xmalloc(size+1)) == NULL) - { - SDL_NAME(XvFreeAdaptorInfo)(pas); - Xfree(buffer); - UnlockDisplay(dpy); - SyncHandle(); - return(XvBadAlloc); - } - SDL_strlcpy(name, u.string, size); - pa->name = name; - - u.buffer += (size + 3) & ~3; - - /* GET FORMATS */ - - size = pa->num_formats*sizeof(SDL_NAME(XvFormat)); - if ((pfs=(SDL_NAME(XvFormat) *)Xmalloc(size))==NULL) { - SDL_NAME(XvFreeAdaptorInfo)(pas); - Xfree(buffer); - UnlockDisplay(dpy); - SyncHandle(); - return(XvBadAlloc); - } - - pf = pfs; - for (jj=0; jj<pa->num_formats; jj++) { - pf->depth = u.pf->depth; - pf->visual_id = u.pf->visual; - pf++; - - u.buffer += (sz_xvFormat + 3) & ~3; - } - - pa->formats = pfs; - - pa++; - - } - - *p_nAdaptors = rep.num_adaptors; - *p_pAdaptors = pas; - - Xfree(buffer); - UnlockDisplay(dpy); - SyncHandle(); - - return (Success); -} - - -void -SDL_NAME(XvFreeAdaptorInfo)(SDL_NAME(XvAdaptorInfo) *pAdaptors) -{ - - SDL_NAME(XvAdaptorInfo) *pa; - int ii; - - if (!pAdaptors) return; - - pa = pAdaptors; - - for (ii=0; ii<pAdaptors->num_adaptors; ii++, pa++) - { - if (pa->name) - { - Xfree(pa->name); - } - if (pa->formats) - { - Xfree(pa->formats); - } - } - - Xfree(pAdaptors); -} - -int -SDL_NAME(XvQueryEncodings)( - Display *dpy, - XvPortID port, - unsigned int *p_nEncodings, - SDL_NAME(XvEncodingInfo) **p_pEncodings -){ - XExtDisplayInfo *info = xv_find_display(dpy); - xvQueryEncodingsReq *req; - xvQueryEncodingsReply rep; - int size, jj; - char *name; - SDL_NAME(XvEncodingInfo) *pes, *pe; - char *buffer; - union - { - char *buffer; - char *string; - xvEncodingInfo *pe; - } u; - - XvCheckExtension(dpy, info, XvBadExtension); - - LockDisplay(dpy); - - XvGetReq(QueryEncodings, req); - req->port = port; - - /* READ THE REPLY */ - - if (_XReply(dpy, (xReply *)&rep, 0, xFalse) == 0) { - UnlockDisplay(dpy); - SyncHandle(); - return(XvBadReply); - } - - size = rep.length << 2; - if ( (buffer = (char *)Xmalloc ((unsigned) size)) == NULL) { - UnlockDisplay(dpy); - SyncHandle(); - return(XvBadAlloc); - } - _XRead (dpy, buffer, size); - - u.buffer = buffer; - - /* GET ENCODINGS */ - - size = rep.num_encodings*sizeof(SDL_NAME(XvEncodingInfo)); - if ( (pes = (SDL_NAME(XvEncodingInfo) *)Xmalloc(size)) == NULL) { - Xfree(buffer); - UnlockDisplay(dpy); - SyncHandle(); - return(XvBadAlloc); - } - - /* INITIALIZE THE ENCODING POINTER */ - - pe = pes; - for (jj=0; jj<rep.num_encodings; jj++) { - pe->name = (char *)NULL; - pe->num_encodings = 0; - pe++; - } - - pe = pes; - for (jj=0; jj<rep.num_encodings; jj++) { - pe->encoding_id = u.pe->encoding; - pe->width = u.pe->width; - pe->height = u.pe->height; - pe->rate.numerator = u.pe->rate.numerator; - pe->rate.denominator = u.pe->rate.denominator; - pe->num_encodings = rep.num_encodings - jj; - - size = u.pe->name_size; - u.buffer += (sz_xvEncodingInfo + 3) & ~3; - - if ( (name = (char *)Xmalloc(size+1)) == NULL) { - Xfree(buffer); - UnlockDisplay(dpy); - SyncHandle(); - return(XvBadAlloc); - } - SDL_strlcpy(name, u.string, size); - pe->name = name; - pe++; - - u.buffer += (size + 3) & ~3; - } - - *p_nEncodings = rep.num_encodings; - *p_pEncodings = pes; - - Xfree(buffer); - UnlockDisplay(dpy); - SyncHandle(); - - return (Success); -} - -void -SDL_NAME(XvFreeEncodingInfo)(SDL_NAME(XvEncodingInfo) *pEncodings) -{ - - SDL_NAME(XvEncodingInfo) *pe; - int ii; - - if (!pEncodings) return; - - pe = pEncodings; - - for (ii=0; ii<pEncodings->num_encodings; ii++, pe++) { - if (pe->name) Xfree(pe->name); - } - - Xfree(pEncodings); -} - -int -SDL_NAME(XvPutVideo)( - Display *dpy, - XvPortID port, - Drawable d, - GC gc, - int vx, int vy, - unsigned int vw, unsigned int vh, - int dx, int dy, - unsigned int dw, unsigned int dh -){ - XExtDisplayInfo *info = xv_find_display(dpy); - xvPutVideoReq *req; - - XvCheckExtension(dpy, info, XvBadExtension); - - LockDisplay(dpy); - - FlushGC(dpy, gc); - - XvGetReq(PutVideo, req); - - req->port = port; - req->drawable = d; - req->gc = gc->gid; - req->vid_x = vx; - req->vid_y = vy; - req->vid_w = vw; - req->vid_h = vh; - req->drw_x = dx; - req->drw_y = dy; - req->drw_w = dw; - req->drw_h = dh; - - UnlockDisplay(dpy); - SyncHandle(); - - return Success; -} - -int -SDL_NAME(XvPutStill)( - Display *dpy, - XvPortID port, - Drawable d, - GC gc, - int vx, int vy, - unsigned int vw, unsigned int vh, - int dx, int dy, - unsigned int dw, unsigned int dh -){ - XExtDisplayInfo *info = xv_find_display(dpy); - xvPutStillReq *req; - - XvCheckExtension(dpy, info, XvBadExtension); - - LockDisplay(dpy); - - FlushGC(dpy, gc); - - XvGetReq(PutStill, req); - req->port = port; - req->drawable = d; - req->gc = gc->gid; - req->vid_x = vx; - req->vid_y = vy; - req->vid_w = vw; - req->vid_h = vh; - req->drw_x = dx; - req->drw_y = dy; - req->drw_w = dw; - req->drw_h = dh; - - UnlockDisplay(dpy); - SyncHandle(); - - return Success; -} - -int -SDL_NAME(XvGetVideo)( - Display *dpy, - XvPortID port, - Drawable d, - GC gc, - int vx, int vy, - unsigned int vw, unsigned int vh, - int dx, int dy, - unsigned int dw, unsigned int dh -){ - XExtDisplayInfo *info = xv_find_display(dpy); - xvGetVideoReq *req; - - XvCheckExtension(dpy, info, XvBadExtension); - - LockDisplay(dpy); - - FlushGC(dpy, gc); - - XvGetReq(GetVideo, req); - req->port = port; - req->drawable = d; - req->gc = gc->gid; - req->vid_x = vx; - req->vid_y = vy; - req->vid_w = vw; - req->vid_h = vh; - req->drw_x = dx; - req->drw_y = dy; - req->drw_w = dw; - req->drw_h = dh; - - UnlockDisplay(dpy); - SyncHandle(); - - return Success; -} - -int -SDL_NAME(XvGetStill)( - Display *dpy, - XvPortID port, - Drawable d, - GC gc, - int vx, int vy, - unsigned int vw, unsigned int vh, - int dx, int dy, - unsigned int dw, unsigned int dh -){ - XExtDisplayInfo *info = xv_find_display(dpy); - xvGetStillReq *req; - - XvCheckExtension(dpy, info, XvBadExtension); - - LockDisplay(dpy); - - FlushGC(dpy, gc); - - XvGetReq(GetStill, req); - req->port = port; - req->drawable = d; - req->gc = gc->gid; - req->vid_x = vx; - req->vid_y = vy; - req->vid_w = vw; - req->vid_h = vh; - req->drw_x = dx; - req->drw_y = dy; - req->drw_w = dw; - req->drw_h = dh; - - UnlockDisplay(dpy); - SyncHandle(); - - return Success; -} - -int -SDL_NAME(XvStopVideo)( - Display *dpy, - XvPortID port, - Drawable draw -){ - XExtDisplayInfo *info = xv_find_display(dpy); - xvStopVideoReq *req; - - XvCheckExtension(dpy, info, XvBadExtension); - - LockDisplay(dpy); - - XvGetReq(StopVideo, req); - req->port = port; - req->drawable = draw; - - UnlockDisplay(dpy); - SyncHandle(); - - return Success; -} - -int -SDL_NAME(XvGrabPort)( - Display *dpy, - XvPortID port, - Time time -){ - XExtDisplayInfo *info = xv_find_display(dpy); - int result; - xvGrabPortReply rep; - xvGrabPortReq *req; - - XvCheckExtension(dpy, info, XvBadExtension); - - LockDisplay(dpy); - - XvGetReq(GrabPort, req); - req->port = port; - req->time = time; - - if (_XReply (dpy, (xReply *) &rep, 0, xTrue) == 0) - rep.result = GrabSuccess; - - result = rep.result; - - UnlockDisplay(dpy); - SyncHandle(); - - return result; -} - -int -SDL_NAME(XvUngrabPort)( - Display *dpy, - XvPortID port, - Time time -){ - XExtDisplayInfo *info = xv_find_display(dpy); - xvUngrabPortReq *req; - - XvCheckExtension(dpy, info, XvBadExtension); - - LockDisplay(dpy); - - XvGetReq(UngrabPort, req); - req->port = port; - req->time = time; - - UnlockDisplay(dpy); - SyncHandle(); - - return Success; -} - -int -SDL_NAME(XvSelectVideoNotify)( - Display *dpy, - Drawable drawable, - Bool onoff -){ - XExtDisplayInfo *info = xv_find_display(dpy); - xvSelectVideoNotifyReq *req; - - XvCheckExtension(dpy, info, XvBadExtension); - - LockDisplay(dpy); - - XvGetReq(SelectVideoNotify, req); - req->drawable = drawable; - req->onoff = onoff; - - UnlockDisplay(dpy); - SyncHandle(); - - return Success; -} - -int -SDL_NAME(XvSelectPortNotify)( - Display *dpy, - XvPortID port, - Bool onoff -){ - XExtDisplayInfo *info = xv_find_display(dpy); - xvSelectPortNotifyReq *req; - - XvCheckExtension(dpy, info, XvBadExtension); - - LockDisplay(dpy); - - XvGetReq(SelectPortNotify, req); - req->port = port; - req->onoff = onoff; - - UnlockDisplay(dpy); - SyncHandle(); - - return Success; -} - -int -SDL_NAME(XvSetPortAttribute) ( - Display *dpy, - XvPortID port, - Atom attribute, - int value -) -{ - XExtDisplayInfo *info = xv_find_display(dpy); - xvSetPortAttributeReq *req; - - XvCheckExtension(dpy, info, XvBadExtension); - - LockDisplay(dpy); - - XvGetReq(SetPortAttribute, req); - req->port = port; - req->attribute = attribute; - req->value = value; - - UnlockDisplay(dpy); - SyncHandle(); - - return (Success); -} - -int -SDL_NAME(XvGetPortAttribute) ( - Display *dpy, - XvPortID port, - Atom attribute, - int *p_value -) -{ - XExtDisplayInfo *info = xv_find_display(dpy); - xvGetPortAttributeReq *req; - xvGetPortAttributeReply rep; - - XvCheckExtension(dpy, info, XvBadExtension); - - LockDisplay(dpy); - - XvGetReq(GetPortAttribute, req); - req->port = port; - req->attribute = attribute; - - /* READ THE REPLY */ - - if (_XReply(dpy, (xReply *)&rep, 0, xFalse) == 0) { - UnlockDisplay(dpy); - SyncHandle(); - return(XvBadReply); - } - - *p_value = rep.value; - - UnlockDisplay(dpy); - SyncHandle(); - - return (Success); -} - -int -SDL_NAME(XvQueryBestSize)( - Display *dpy, - XvPortID port, - Bool motion, - unsigned int vid_w, - unsigned int vid_h, - unsigned int drw_w, - unsigned int drw_h, - unsigned int *p_actual_width, - unsigned int *p_actual_height -) -{ - XExtDisplayInfo *info = xv_find_display(dpy); - xvQueryBestSizeReq *req; - xvQueryBestSizeReply rep; - - XvCheckExtension(dpy, info, XvBadExtension); - - LockDisplay(dpy); - - XvGetReq(QueryBestSize, req); - req->port = port; - req->motion = motion; - req->vid_w = vid_w; - req->vid_h = vid_h; - req->drw_w = drw_w; - req->drw_h = drw_h; - - /* READ THE REPLY */ - - if (_XReply(dpy, (xReply *)&rep, 0, xFalse) == 0) { - UnlockDisplay(dpy); - SyncHandle(); - return(XvBadReply); - } - - *p_actual_width = rep.actual_width; - *p_actual_height = rep.actual_height; - - UnlockDisplay(dpy); - SyncHandle(); - - return (Success); -} - - -SDL_NAME(XvAttribute)* -SDL_NAME(XvQueryPortAttributes)(Display *dpy, XvPortID port, int *num) -{ - XExtDisplayInfo *info = xv_find_display(dpy); - xvQueryPortAttributesReq *req; - xvQueryPortAttributesReply rep; - SDL_NAME(XvAttribute) *ret = NULL; - - *num = 0; - - XvCheckExtension(dpy, info, NULL); - - LockDisplay(dpy); - - XvGetReq(QueryPortAttributes, req); - req->port = port; - - /* READ THE REPLY */ - - if (_XReply(dpy, (xReply *)&rep, 0, xFalse) == 0) { - UnlockDisplay(dpy); - SyncHandle(); - return ret; - } - - if(rep.num_attributes) { - int size = (rep.num_attributes * sizeof(SDL_NAME(XvAttribute))) + rep.text_size; - - if((ret = Xmalloc(size))) { - char* marker = (char*)(&ret[rep.num_attributes]); - xvAttributeInfo Info; - int i; - - for(i = 0; i < rep.num_attributes; i++) { - _XRead(dpy, (char*)(&Info), sz_xvAttributeInfo); - ret[i].flags = (int)Info.flags; - ret[i].min_value = Info.min; - ret[i].max_value = Info.max; - ret[i].name = marker; - _XRead(dpy, marker, Info.size); - marker += Info.size; - (*num)++; - } - } else - _XEatData(dpy, rep.length << 2); - } - - UnlockDisplay(dpy); - SyncHandle(); - - return ret; -} - -SDL_NAME(XvImageFormatValues) * SDL_NAME(XvListImageFormats) ( - Display *dpy, - XvPortID port, - int *num -){ - XExtDisplayInfo *info = xv_find_display(dpy); - xvListImageFormatsReq *req; - xvListImageFormatsReply rep; - SDL_NAME(XvImageFormatValues) *ret = NULL; - - *num = 0; - - XvCheckExtension(dpy, info, NULL); - - LockDisplay(dpy); - - XvGetReq(ListImageFormats, req); - req->port = port; - - /* READ THE REPLY */ - - if (_XReply(dpy, (xReply *)&rep, 0, xFalse) == 0) { - UnlockDisplay(dpy); - SyncHandle(); - return NULL; - } - - if(rep.num_formats) { - int size = (rep.num_formats * sizeof(SDL_NAME(XvImageFormatValues))); - - if((ret = Xmalloc(size))) { - xvImageFormatInfo Info; - int i; - - for(i = 0; i < rep.num_formats; i++) { - _XRead(dpy, (char*)(&Info), sz_xvImageFormatInfo); - ret[i].id = Info.id; - ret[i].type = Info.type; - ret[i].byte_order = Info.byte_order; - memcpy(&(ret[i].guid[0]), &(Info.guid[0]), 16); - ret[i].bits_per_pixel = Info.bpp; - ret[i].format = Info.format; - ret[i].num_planes = Info.num_planes; - ret[i].depth = Info.depth; - ret[i].red_mask = Info.red_mask; - ret[i].green_mask = Info.green_mask; - ret[i].blue_mask = Info.blue_mask; - ret[i].y_sample_bits = Info.y_sample_bits; - ret[i].u_sample_bits = Info.u_sample_bits; - ret[i].v_sample_bits = Info.v_sample_bits; - ret[i].horz_y_period = Info.horz_y_period; - ret[i].horz_u_period = Info.horz_u_period; - ret[i].horz_v_period = Info.horz_v_period; - ret[i].vert_y_period = Info.vert_y_period; - ret[i].vert_u_period = Info.vert_u_period; - ret[i].vert_v_period = Info.vert_v_period; - memcpy(&(ret[i].component_order[0]), &(Info.comp_order[0]), 32); - ret[i].scanline_order = Info.scanline_order; - (*num)++; - } - } else - _XEatData(dpy, rep.length << 2); - } - - UnlockDisplay(dpy); - SyncHandle(); - - return ret; -} - -SDL_NAME(XvImage) * SDL_NAME(XvCreateImage) ( - Display *dpy, - XvPortID port, - int id, - char *data, - int width, - int height -) { - XExtDisplayInfo *info = xv_find_display(dpy); - xvQueryImageAttributesReq *req; - xvQueryImageAttributesReply rep; - SDL_NAME(XvImage) *ret = NULL; - - XvCheckExtension(dpy, info, NULL); - - LockDisplay(dpy); - - XvGetReq(QueryImageAttributes, req); - req->id = id; - req->port = port; - req->width = width; - req->height = height; - - /* READ THE REPLY */ - - if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { - UnlockDisplay(dpy); - SyncHandle(); - return NULL; - } - - if((ret = (SDL_NAME(XvImage)*)Xmalloc(sizeof(SDL_NAME(XvImage)) + (rep.num_planes << 3)))) { - ret->id = id; - ret->width = rep.width; - ret->height = rep.height; - ret->data_size = rep.data_size; - ret->num_planes = rep.num_planes; - ret->pitches = (int*)(&ret[1]); - ret->offsets = ret->pitches + rep.num_planes; - ret->data = data; - ret->obdata = NULL; - _XRead(dpy, (char*)(ret->pitches), rep.num_planes << 2); - _XRead(dpy, (char*)(ret->offsets), rep.num_planes << 2); - } else - _XEatData(dpy, rep.length << 2); - - UnlockDisplay(dpy); - SyncHandle(); - return ret; -} - -SDL_NAME(XvImage) * SDL_NAME(XvShmCreateImage) ( - Display *dpy, - XvPortID port, - int id, - char *data, - int width, - int height, - XShmSegmentInfo *shminfo -){ - SDL_NAME(XvImage) *ret; - - ret = SDL_NAME(XvCreateImage)(dpy, port, id, data, width, height); - - if(ret) ret->obdata = (XPointer)shminfo; - - return ret; -} - -int SDL_NAME(XvPutImage) ( - Display *dpy, - XvPortID port, - Drawable d, - GC gc, - SDL_NAME(XvImage) *image, - int src_x, - int src_y, - unsigned int src_w, - unsigned int src_h, - int dest_x, - int dest_y, - unsigned int dest_w, - unsigned int dest_h -){ - XExtDisplayInfo *info = xv_find_display(dpy); - xvPutImageReq *req; - int len; - - XvCheckExtension(dpy, info, XvBadExtension); - - LockDisplay(dpy); - - FlushGC(dpy, gc); - - XvGetReq(PutImage, req); - - req->port = port; - req->drawable = d; - req->gc = gc->gid; - req->id = image->id; - req->src_x = src_x; - req->src_y = src_y; - req->src_w = src_w; - req->src_h = src_h; - req->drw_x = dest_x; - req->drw_y = dest_y; - req->drw_w = dest_w; - req->drw_h = dest_h; - req->width = image->width; - req->height = image->height; - - len = (image->data_size + 3) >> 2; - SetReqLen(req, len, len); - - /* Yes it's kindof lame that we are sending the whole thing, - but for video all of it may be needed even if displaying - only a subsection, and I don't want to go through the - trouble of creating subregions to send */ - Data(dpy, (char *)image->data, image->data_size); - - UnlockDisplay(dpy); - SyncHandle(); - - return Success; -} - -int SDL_NAME(XvShmPutImage) ( - Display *dpy, - XvPortID port, - Drawable d, - GC gc, - SDL_NAME(XvImage) *image, - int src_x, - int src_y, - unsigned int src_w, - unsigned int src_h, - int dest_x, - int dest_y, - unsigned int dest_w, - unsigned int dest_h, - Bool send_event -){ - XExtDisplayInfo *info = xv_find_display(dpy); - XShmSegmentInfo *shminfo = (XShmSegmentInfo *)image->obdata; - xvShmPutImageReq *req; - - XvCheckExtension(dpy, info, XvBadExtension); - - LockDisplay(dpy); - - FlushGC(dpy, gc); - - XvGetReq(ShmPutImage, req); - - req->port = port; - req->drawable = d; - req->gc = gc->gid; - req->shmseg = shminfo->shmseg; - req->id = image->id; - req->src_x = src_x; - req->src_y = src_y; - req->src_w = src_w; - req->src_h = src_h; - req->drw_x = dest_x; - req->drw_y = dest_y; - req->drw_w = dest_w; - req->drw_h = dest_h; - req->offset = image->data - shminfo->shmaddr; - req->width = image->width; - req->height = image->height; - req->send_event = send_event; - - UnlockDisplay(dpy); - SyncHandle(); - - return Success; -} - - -static Bool -xv_wire_to_event(Display *dpy, XEvent *host, xEvent *wire) -{ - XExtDisplayInfo *info = xv_find_display(dpy); - SDL_NAME(XvEvent) *re = (SDL_NAME(XvEvent) *)host; - xvEvent *event = (xvEvent *)wire; - - XvCheckExtension(dpy, info, False); - - switch((event->u.u.type & 0x7F) - info->codes->first_event) - { - case XvVideoNotify: - re->xvvideo.type = event->u.u.type & 0x7f; - re->xvvideo.serial = - _XSetLastRequestRead(dpy, (xGenericReply *)event); - re->xvvideo.send_event = ((event->u.u.type & 0x80) != 0); - re->xvvideo.display = dpy; - re->xvvideo.time = event->u.videoNotify.time; - re->xvvideo.reason = event->u.videoNotify.reason; - re->xvvideo.drawable = event->u.videoNotify.drawable; - re->xvvideo.port_id = event->u.videoNotify.port; - break; - case XvPortNotify: - re->xvport.type = event->u.u.type & 0x7f; - re->xvport.serial = - _XSetLastRequestRead(dpy, (xGenericReply *)event); - re->xvport.send_event = ((event->u.u.type & 0x80) != 0); - re->xvport.display = dpy; - re->xvport.time = event->u.portNotify.time; - re->xvport.port_id = event->u.portNotify.port; - re->xvport.attribute = event->u.portNotify.attribute; - re->xvport.value = event->u.portNotify.value; - break; - default: - return False; - } - - return (True); -} - - |