diff options
Diffstat (limited to 'distrib/sdl-1.2.15/src/video/Xext/Xv/Xv.c')
| -rw-r--r-- | distrib/sdl-1.2.15/src/video/Xext/Xv/Xv.c | 1151 |
1 files changed, 1151 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/video/Xext/Xv/Xv.c b/distrib/sdl-1.2.15/src/video/Xext/Xv/Xv.c new file mode 100644 index 0000000..7147b9e --- /dev/null +++ b/distrib/sdl-1.2.15/src/video/Xext/Xv/Xv.c @@ -0,0 +1,1151 @@ +/*********************************************************** +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); +} + + |