diff options
Diffstat (limited to 'hw/kdrive/ephyr/ephyrvideo.c')
| -rw-r--r-- | hw/kdrive/ephyr/ephyrvideo.c | 1278 |
1 files changed, 1278 insertions, 0 deletions
diff --git a/hw/kdrive/ephyr/ephyrvideo.c b/hw/kdrive/ephyr/ephyrvideo.c new file mode 100644 index 000000000..bfe4d7223 --- /dev/null +++ b/hw/kdrive/ephyr/ephyrvideo.c @@ -0,0 +1,1278 @@ +/* + * Xephyr - A kdrive X server thats runs in a host X window. + * Authored by Matthew Allum <mallum@openedhand.com> + * + * Copyright © 2007 OpenedHand Ltd + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, 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 name of OpenedHand Ltd not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. OpenedHand Ltd makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * OpenedHand Ltd DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL OpenedHand Ltd 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. + * + * Authors: + * Dodji Seketeli <dodji@openedhand.com> + */ + +#ifdef HAVE_CONFIG_H +#include <kdrive-config.h> +#endif +#include <string.h> +#include <X11/extensions/Xv.h> +#include "ephyrlog.h" +#include "kdrive.h" +#include "kxv.h" +#include "ephyr.h" +#include "hostx.h" +#include "ephyrhostvideo.h" + +struct _EphyrXVPriv { + EphyrHostXVAdaptorArray *host_adaptors ; + KdVideoAdaptorPtr adaptors ; + int num_adaptors ; +}; +typedef struct _EphyrXVPriv EphyrXVPriv ; + +struct _EphyrPortPriv { + int port_number ; + KdVideoAdaptorPtr current_adaptor ; + EphyrXVPriv *xv_priv; + unsigned char *image_buf ; + int image_buf_size ; + int image_id ; + int drw_x, drw_y, drw_w, drw_h ; + int src_x, src_y, src_w, src_h ; + int image_width, image_height ; +}; +typedef struct _EphyrPortPriv EphyrPortPriv ; + +static Bool DoSimpleClip (BoxPtr a_dst_drw, + BoxPtr a_clipper, + BoxPtr a_result) ; + +static Bool ephyrLocalAtomToHost (int a_local_atom, int *a_host_atom) ; + +/* +static Bool ephyrHostAtomToLocal (int a_host_atom, int *a_local_atom) ; +*/ + +static EphyrXVPriv* ephyrXVPrivNew (void) ; +static void ephyrXVPrivDelete (EphyrXVPriv *a_this) ; +static Bool ephyrXVPrivQueryHostAdaptors (EphyrXVPriv *a_this) ; +static Bool ephyrXVPrivSetAdaptorsHooks (EphyrXVPriv *a_this) ; +static Bool ephyrXVPrivRegisterAdaptors (EphyrXVPriv *a_this, + ScreenPtr a_screen) ; + +static Bool ephyrXVPrivIsAttrValueValid (KdAttributePtr a_attrs, + int a_attrs_len, + const char *a_attr_name, + int a_attr_value, + Bool *a_is_valid) ; + +static Bool ephyrXVPrivGetImageBufSize (int a_port_id, + int a_image_id, + unsigned short a_width, + unsigned short a_height, + int *a_size) ; + +static Bool ephyrXVPrivSaveImageToPortPriv (EphyrPortPriv *a_port_priv, + const unsigned char *a_image, + int a_image_len) ; + +static void ephyrStopVideo (KdScreenInfo *a_info, + pointer a_xv_priv, + Bool a_exit); + +static int ephyrSetPortAttribute (KdScreenInfo *a_info, + Atom a_attr_name, + int a_attr_value, + pointer a_port_priv); + +static int ephyrGetPortAttribute (KdScreenInfo *a_screen_info, + Atom a_attr_name, + int *a_attr_value, + pointer a_port_priv); + +static void ephyrQueryBestSize (KdScreenInfo *a_info, + Bool a_motion, + short a_src_w, + short a_src_h, + short a_drw_w, + short a_drw_h, + unsigned int *a_prefered_w, + unsigned int *a_prefered_h, + pointer a_port_priv); + +static int ephyrPutImage (KdScreenInfo *a_info, + DrawablePtr a_drawable, + short a_src_x, + short a_src_y, + short a_drw_x, + short a_drw_y, + short a_src_w, + short a_src_h, + short a_drw_w, + short a_drw_h, + int a_id, + unsigned char *a_buf, + short a_width, + short a_height, + Bool a_sync, + RegionPtr a_clipping_region, + pointer a_port_priv); + +static int ephyrReputImage (KdScreenInfo *a_info, + DrawablePtr a_drawable, + short a_drw_x, + short a_drw_y, + RegionPtr a_clipping_region, + pointer a_port_priv) ; + +static int ephyrPutVideo (KdScreenInfo *a_info, + DrawablePtr a_drawable, + short a_vid_x, short a_vid_y, + short a_drw_x, short a_drw_y, + short a_vid_w, short a_vid_h, + short a_drw_w, short a_drw_h, + RegionPtr a_clip_region, + pointer a_port_priv) ; + +static int ephyrGetVideo (KdScreenInfo *a_info, + DrawablePtr a_drawable, + short a_vid_x, short a_vid_y, + short a_drw_x, short a_drw_y, + short a_vid_w, short a_vid_h, + short a_drw_w, short a_drw_h, + RegionPtr a_clip_region, + pointer a_port_priv) ; + +static int ephyrPutStill (KdScreenInfo *a_info, + DrawablePtr a_drawable, + short a_vid_x, short a_vid_y, + short a_drw_x, short a_drw_y, + short a_vid_w, short a_vid_h, + short a_drw_w, short a_drw_h, + RegionPtr a_clip_region, + pointer a_port_priv) ; + +static int ephyrGetStill (KdScreenInfo *a_info, + DrawablePtr a_drawable, + short a_vid_x, short a_vid_y, + short a_drw_x, short a_drw_y, + short a_vid_w, short a_vid_h, + short a_drw_w, short a_drw_h, + RegionPtr a_clip_region, + pointer a_port_priv) ; + +static int ephyrQueryImageAttributes (KdScreenInfo *a_info, + int a_id, + unsigned short *a_w, + unsigned short *a_h, + int *a_pitches, + int *a_offsets); +static int s_base_port_id ; + +/************** + * <helpers> + * ************/ + +static Bool +DoSimpleClip (BoxPtr a_dst_box, + BoxPtr a_clipper, + BoxPtr a_result) +{ + BoxRec dstClippedBox ; + + EPHYR_RETURN_VAL_IF_FAIL (a_dst_box && a_clipper && a_result, FALSE) ; + + /* + * setup the clipbox inside the destination. + */ + dstClippedBox.x1 = a_dst_box->x1 ; + dstClippedBox.x2 = a_dst_box->x2 ; + dstClippedBox.y1 = a_dst_box->y1 ; + dstClippedBox.y2 = a_dst_box->y2 ; + + /* + * if the cliper leftmost edge is inside + * the destination area then the leftmost edge of the resulting + * clipped box is the leftmost edge of the cliper. + */ + if (a_clipper->x1 > dstClippedBox.x1) + dstClippedBox.x1 = a_clipper->x1 ; + + /* + * if the cliper top edge is inside the destination area + * then the bottom horizontal edge of the resulting clipped box + * is the bottom edge of the cliper + */ + if (a_clipper->y1 > dstClippedBox.y1) + dstClippedBox.y1 = a_clipper->y1 ; + + /*ditto for right edge*/ + if (a_clipper->x2 < dstClippedBox.x2) + dstClippedBox.x2 = a_clipper->x2 ; + + /*ditto for bottom edge*/ + if (a_clipper->y2 < dstClippedBox.y2) + dstClippedBox.y2 = a_clipper->y2 ; + + memcpy (a_result, &dstClippedBox, sizeof (dstClippedBox)) ; + return TRUE ; +} + +static Bool +ephyrLocalAtomToHost (int a_local_atom, int *a_host_atom) +{ + char *atom_name=NULL; + int host_atom=None ; + + EPHYR_RETURN_VAL_IF_FAIL (a_host_atom, FALSE) ; + + if (!ValidAtom (a_local_atom)) + return FALSE ; + + atom_name = NameForAtom (a_local_atom) ; + + if (!atom_name) + return FALSE ; + + if (!ephyrHostGetAtom (atom_name, FALSE, &host_atom) || host_atom == None) { + EPHYR_LOG_ERROR ("no atom for string %s defined in host X\n", + atom_name) ; + return FALSE ; + } + *a_host_atom = host_atom ; + return TRUE ; +} + +/* + Not used yed. +static Bool +ephyrHostAtomToLocal (int a_host_atom, int *a_local_atom) +{ + Bool is_ok=FALSE ; + char *atom_name=NULL ; + int atom=None ; + + EPHYR_RETURN_VAL_IF_FAIL (a_local_atom, FALSE) ; + + atom_name = ephyrHostGetAtomName (a_host_atom) ; + if (!atom_name) + goto out ; + + atom = MakeAtom (atom_name, strlen (atom_name), TRUE) ; + if (atom == None) + goto out ; + + *a_local_atom = atom ; + is_ok = TRUE ; + +out: + if (atom_name) { + ephyrHostFree (atom_name) ; + } + return is_ok ; +} +*/ + +/************** + *</helpers> + * ************/ + +Bool +ephyrInitVideo (ScreenPtr pScreen) +{ + Bool is_ok = FALSE ; + KdScreenPriv(pScreen); + KdScreenInfo *screen = pScreenPriv->screen; + static EphyrXVPriv *xv_priv; + + EPHYR_LOG ("enter\n") ; + + if (screen->fb[0].bitsPerPixel == 8) { + EPHYR_LOG_ERROR ("8 bits depth not supported\n") ; + return FALSE ; + } + + if (!xv_priv) { + xv_priv = ephyrXVPrivNew () ; + } + if (!xv_priv) { + EPHYR_LOG_ERROR ("failed to create xv_priv\n") ; + goto out ; + } + + if (!ephyrXVPrivRegisterAdaptors (xv_priv, pScreen)) { + EPHYR_LOG_ERROR ("failed to register adaptors\n") ; + goto out ; + } + is_ok = TRUE ; + +out: + return is_ok ; +} + +static EphyrXVPriv* +ephyrXVPrivNew (void) +{ + EphyrXVPriv *xv_priv=NULL ; + + EPHYR_LOG ("enter\n") ; + + xv_priv = xcalloc (1, sizeof (EphyrXVPriv)) ; + if (!xv_priv) { + EPHYR_LOG_ERROR ("failed to create EphyrXVPriv\n") ; + goto error ; + } + + ephyrHostXVInit () ; + + if (!ephyrXVPrivQueryHostAdaptors (xv_priv)) { + EPHYR_LOG_ERROR ("failed to query the host x for xv properties\n") ; + goto error ; + } + if (!ephyrXVPrivSetAdaptorsHooks (xv_priv)) { + EPHYR_LOG_ERROR ("failed to set xv_priv hooks\n") ; + goto error ; + } + + EPHYR_LOG ("leave\n") ; + return xv_priv ; + +error: + if (xv_priv) { + ephyrXVPrivDelete (xv_priv) ; + xv_priv = NULL ; + } + return NULL ; +} + +static void +ephyrXVPrivDelete (EphyrXVPriv *a_this) +{ + EPHYR_LOG ("enter\n") ; + + if (!a_this) + return ; + if (a_this->host_adaptors) { + ephyrHostXVAdaptorArrayDelete (a_this->host_adaptors) ; + a_this->host_adaptors = NULL ; + } + if (a_this->adaptors) { + xfree (a_this->adaptors) ; + a_this->adaptors = NULL ; + } + xfree (a_this) ; + EPHYR_LOG ("leave\n") ; +} + +static KdVideoEncodingPtr +videoEncodingDup (EphyrHostEncoding *a_encodings, + int a_num_encodings) +{ + KdVideoEncodingPtr result = NULL ; + int i=0 ; + + EPHYR_RETURN_VAL_IF_FAIL (a_encodings && a_num_encodings, NULL) ; + + result = xcalloc (a_num_encodings, sizeof (KdVideoEncodingRec)) ; + for (i=0 ; i < a_num_encodings; i++) { + result[i].id = a_encodings[i].id ; + result[i].name = strdup (a_encodings[i].name) ; + result[i].width = a_encodings[i].width ; + result[i].height = a_encodings[i].height ; + result[i].rate.numerator = a_encodings[i].rate.numerator ; + result[i].rate.denominator = a_encodings[i].rate.denominator ; + } + return result ; +} + +static KdAttributePtr +portAttributesDup (EphyrHostAttribute *a_encodings, + int a_num_encodings) +{ + int i=0 ; + KdAttributePtr result=NULL ; + + EPHYR_RETURN_VAL_IF_FAIL (a_encodings && a_num_encodings, NULL) ; + + result = xcalloc (a_num_encodings, sizeof (KdAttributeRec)) ; + if (!result) { + EPHYR_LOG_ERROR ("failed to allocate attributes\n") ; + return NULL ; + } + for (i=0; i < a_num_encodings; i++) { + result[i].flags = a_encodings[i].flags ; + result[i].min_value = a_encodings[i].min_value ; + result[i].max_value = a_encodings[i].max_value ; + result[i].name = strdup (a_encodings[i].name) ; + } + return result ; +} + +static Bool +ephyrXVPrivQueryHostAdaptors (EphyrXVPriv *a_this) +{ + EphyrHostXVAdaptor *cur_host_adaptor=NULL ; + EphyrHostVideoFormat *video_formats=NULL ; + EphyrHostEncoding *encodings=NULL ; + EphyrHostAttribute *attributes=NULL ; + EphyrHostImageFormat *image_formats=NULL ; + int num_video_formats=0, base_port_id=0, + num_attributes=0, num_formats=0, i=0, + port_priv_offset=0; + unsigned num_encodings=0 ; + Bool is_ok = FALSE ; + + EPHYR_RETURN_VAL_IF_FAIL (a_this, FALSE) ; + + EPHYR_LOG ("enter\n") ; + + if (!ephyrHostXVQueryAdaptors (&a_this->host_adaptors)) { + EPHYR_LOG_ERROR ("failed to query host adaptors\n") ; + goto out ; + } + if (a_this->host_adaptors) + a_this->num_adaptors = + ephyrHostXVAdaptorArrayGetSize (a_this->host_adaptors) ; + if (a_this->num_adaptors < 0) { + EPHYR_LOG_ERROR ("failed to get number of host adaptors\n") ; + goto out ; + } + EPHYR_LOG ("host has %d adaptors\n", a_this->num_adaptors) ; + /* + * copy what we can from adaptors into a_this->adaptors + */ + if (a_this->num_adaptors) { + a_this->adaptors = xcalloc (a_this->num_adaptors, + sizeof (KdVideoAdaptorRec)) ; + if (!a_this->adaptors) { + EPHYR_LOG_ERROR ("failed to create internal adaptors\n") ; + goto out ; + } + } + for (i=0; i < a_this->num_adaptors; i++) { + int j=0 ; + cur_host_adaptor = + ephyrHostXVAdaptorArrayAt (a_this->host_adaptors, i) ; + if (!cur_host_adaptor) + continue ; + a_this->adaptors[i].nPorts = + ephyrHostXVAdaptorGetNbPorts (cur_host_adaptor) ; + if (a_this->adaptors[i].nPorts <=0) { + EPHYR_LOG_ERROR ("Could not find any port of adaptor %d\n", i) ; + continue ; + } + a_this->adaptors[i].type = + ephyrHostXVAdaptorGetType (cur_host_adaptor) ; + a_this->adaptors[i].type |= XvWindowMask ; + a_this->adaptors[i].flags = + VIDEO_OVERLAID_IMAGES | VIDEO_CLIP_TO_VIEWPORT; + if (ephyrHostXVAdaptorGetName (cur_host_adaptor)) + a_this->adaptors[i].name = + strdup (ephyrHostXVAdaptorGetName (cur_host_adaptor)) ; + else + a_this->adaptors[i].name = strdup ("Xephyr Video Overlay"); + base_port_id = ephyrHostXVAdaptorGetFirstPortID (cur_host_adaptor) ; + if (base_port_id < 0) { + EPHYR_LOG_ERROR ("failed to get port id for adaptor %d\n", i) ; + continue ; + } + if (!s_base_port_id) + s_base_port_id = base_port_id ; + + if (!ephyrHostXVQueryEncodings (base_port_id, + &encodings, + &num_encodings)) { + EPHYR_LOG_ERROR ("failed to get encodings for port port id %d," + " adaptors %d\n", + base_port_id, i) ; + continue ; + } + a_this->adaptors[i].nEncodings = num_encodings ; + a_this->adaptors[i].pEncodings = + videoEncodingDup (encodings, num_encodings) ; + video_formats = (EphyrHostVideoFormat*) + ephyrHostXVAdaptorGetVideoFormats (cur_host_adaptor, + &num_video_formats); + a_this->adaptors[i].pFormats = (KdVideoFormatPtr) video_formats ; + a_this->adaptors[i].nFormats = num_video_formats ; + /* got a_this->adaptors[i].nPorts already + a_this->adaptors[i].nPorts = + ephyrHostXVAdaptorGetNbPorts (cur_host_adaptor) ; + */ + a_this->adaptors[i].pPortPrivates = + xcalloc (a_this->adaptors[i].nPorts, + sizeof (DevUnion) + sizeof (EphyrPortPriv)) ; + port_priv_offset = a_this->adaptors[i].nPorts; + for (j=0; j < a_this->adaptors[i].nPorts; j++) { + EphyrPortPriv *port_privs_base = + (EphyrPortPriv*)&a_this->adaptors[i].pPortPrivates[port_priv_offset]; + EphyrPortPriv *port_priv = &port_privs_base[j] ; + port_priv->port_number = base_port_id + j; + port_priv->current_adaptor = &a_this->adaptors[i] ; + port_priv->xv_priv = a_this ; + a_this->adaptors[i].pPortPrivates[j].ptr = port_priv; + } + if (!ephyrHostXVQueryPortAttributes (base_port_id, + &attributes, + &num_attributes)) { + EPHYR_LOG_ERROR ("failed to get port attribute " + "for adaptor %d\n", i) ; + continue ; + } + a_this->adaptors[i].pAttributes = + portAttributesDup (attributes, num_attributes); + a_this->adaptors[i].nAttributes = num_attributes ; + /*make sure atoms of attrs names are created in xephyr*/ + for (j=0; j < a_this->adaptors[i].nAttributes; j++) { + if (a_this->adaptors[i].pAttributes[j].name) + MakeAtom (a_this->adaptors[i].pAttributes[j].name, + strlen (a_this->adaptors[i].pAttributes[j].name), + TRUE) ; + } + if (!ephyrHostXVQueryImageFormats (base_port_id, + &image_formats, + &num_formats)) { + EPHYR_LOG_ERROR ("failed to get image formats " + "for adaptor %d\n", i) ; + continue ; + } + a_this->adaptors[i].pImages = (KdImagePtr) image_formats ; + a_this->adaptors[i].nImages = num_formats ; + } + is_ok = TRUE ; + +out: + if (encodings) { + ephyrHostEncodingsDelete (encodings, num_encodings) ; + encodings = NULL ; + } + if (attributes) { + ephyrHostAttributesDelete (attributes) ; + attributes = NULL ; + } + EPHYR_LOG ("leave\n") ; + return is_ok ; +} + +static Bool +ephyrXVPrivSetAdaptorsHooks (EphyrXVPriv *a_this) +{ + int i=0 ; + Bool has_it=FALSE ; + EphyrHostXVAdaptor *cur_host_adaptor=NULL ; + + EPHYR_RETURN_VAL_IF_FAIL (a_this, FALSE) ; + + EPHYR_LOG ("enter\n") ; + + for (i=0; i < a_this->num_adaptors; i++) { + a_this->adaptors[i].ReputImage = ephyrReputImage ; + a_this->adaptors[i].StopVideo = ephyrStopVideo ; + a_this->adaptors[i].SetPortAttribute = ephyrSetPortAttribute ; + a_this->adaptors[i].GetPortAttribute = ephyrGetPortAttribute ; + a_this->adaptors[i].QueryBestSize = ephyrQueryBestSize ; + a_this->adaptors[i].QueryImageAttributes = ephyrQueryImageAttributes ; + + cur_host_adaptor = + ephyrHostXVAdaptorArrayAt (a_this->host_adaptors, i) ; + if (!cur_host_adaptor) { + EPHYR_LOG_ERROR ("failed to get host adaptor at index %d\n", i) ; + continue ; + } + has_it = FALSE ; + if (!ephyrHostXVAdaptorHasPutImage (cur_host_adaptor, &has_it)) { + EPHYR_LOG_ERROR ("error\n") ; + } + if (has_it) { + a_this->adaptors[i].PutImage = ephyrPutImage; + } + + has_it = FALSE ; + if (!ephyrHostXVAdaptorHasPutVideo (cur_host_adaptor, &has_it)) { + EPHYR_LOG_ERROR ("error\n") ; + } + if (has_it) { + a_this->adaptors[i].PutVideo = ephyrPutVideo; + } + + has_it = FALSE ; + if (!ephyrHostXVAdaptorHasGetVideo (cur_host_adaptor, &has_it)) { + EPHYR_LOG_ERROR ("error\n") ; + } + if (has_it) { + a_this->adaptors[i].GetVideo = ephyrGetVideo; + } + + has_it = FALSE ; + if (!ephyrHostXVAdaptorHasPutStill (cur_host_adaptor, &has_it)) { + EPHYR_LOG_ERROR ("error\n") ; + } + if (has_it) { + a_this->adaptors[i].PutStill = ephyrPutStill; + } + + has_it = FALSE ; + if (!ephyrHostXVAdaptorHasGetStill (cur_host_adaptor, &has_it)) { + EPHYR_LOG_ERROR ("error\n") ; + } + if (has_it) { + a_this->adaptors[i].GetStill = ephyrGetStill; + } + } + EPHYR_LOG ("leave\n") ; + return TRUE ; +} + +static Bool +ephyrXVPrivRegisterAdaptors (EphyrXVPriv *a_this, + ScreenPtr a_screen) +{ + KdScreenPriv(a_screen); + KdScreenInfo *screen = pScreenPriv->screen; + Bool is_ok = FALSE ; + KdVideoAdaptorPtr *adaptors=NULL, *registered_adaptors=NULL ; + int num_registered_adaptors=0, i=0, num_adaptors=0 ; + + EPHYR_RETURN_VAL_IF_FAIL (a_this && a_screen, FALSE) ; + + EPHYR_LOG ("enter\n") ; + + if (!a_this->num_adaptors) + goto out ; + num_registered_adaptors = + KdXVListGenericAdaptors (screen, ®istered_adaptors); + + num_adaptors = num_registered_adaptors + a_this->num_adaptors ; + adaptors = xcalloc (num_adaptors, sizeof (KdVideoAdaptorPtr)) ; + if (!adaptors) { + EPHYR_LOG_ERROR ("failed to allocate adaptors tab\n") ; + goto out ; + } + memmove (adaptors, registered_adaptors, num_registered_adaptors) ; + for (i=0 ; i < a_this->num_adaptors; i++) { + *(adaptors + num_registered_adaptors + i) = &a_this->adaptors[i] ; + } + if (!KdXVScreenInit (a_screen, adaptors, num_adaptors)) { + EPHYR_LOG_ERROR ("failed to register adaptors\n"); + goto out ; + } + EPHYR_LOG ("there are %d registered adaptors\n", num_adaptors) ; + is_ok = TRUE ; + +out: + if (registered_adaptors) { + xfree (registered_adaptors) ; + registered_adaptors = NULL ; + } + if (adaptors) { + xfree (adaptors) ; + adaptors=NULL ; + } + EPHYR_LOG ("leave\n") ; + return is_ok ; +} + +static Bool +ephyrXVPrivIsAttrValueValid (KdAttributePtr a_attrs, + int a_attrs_len, + const char *a_attr_name, + int a_attr_value, + Bool *a_is_valid) +{ + int i=0 ; + + EPHYR_RETURN_VAL_IF_FAIL (a_attrs && a_attr_name && a_is_valid, + FALSE) ; + + for (i=0; i < a_attrs_len; i++) { + if (a_attrs[i].name && strcmp (a_attrs[i].name, a_attr_name)) + continue ; + if (a_attrs[i].min_value > a_attr_value || + a_attrs[i].max_value < a_attr_value) { + *a_is_valid = FALSE ; + EPHYR_LOG_ERROR ("attribute was not valid\n" + "value:%d. min:%d. max:%d\n", + a_attr_value, + a_attrs[i].min_value, + a_attrs[i].max_value) ; + } else { + *a_is_valid = TRUE ; + } + return TRUE ; + } + return FALSE ; +} + +static Bool +ephyrXVPrivGetImageBufSize (int a_port_id, + int a_image_id, + unsigned short a_width, + unsigned short a_height, + int *a_size) +{ + Bool is_ok=FALSE ; + unsigned short width=a_width, height=a_height ; + + EPHYR_RETURN_VAL_IF_FAIL (a_size, FALSE) ; + + EPHYR_LOG ("enter\n") ; + + if (!ephyrHostXVQueryImageAttributes (a_port_id, a_image_id, + &width, &height, a_size, NULL, NULL)) { + EPHYR_LOG_ERROR ("failed to get image attributes\n") ; + goto out ; + } + is_ok = TRUE ; + +out: + EPHYR_LOG ("leave\n") ; + return is_ok ; +} + +static Bool +ephyrXVPrivSaveImageToPortPriv (EphyrPortPriv *a_port_priv, + const unsigned char *a_image_buf, + int a_image_len) +{ + Bool is_ok=FALSE ; + + EPHYR_LOG ("enter\n") ; + + if (a_port_priv->image_buf_size < a_image_len) { + unsigned char *buf=NULL ; + buf = realloc (a_port_priv->image_buf, a_image_len) ; + if (!buf) { + EPHYR_LOG_ERROR ("failed to realloc image buffer\n") ; + goto out ; + } + a_port_priv->image_buf = buf ; + a_port_priv->image_buf_size = a_image_len; + } + memmove (a_port_priv->image_buf, a_image_buf, a_image_len) ; + is_ok = TRUE ; + +out: + return is_ok ; + EPHYR_LOG ("leave\n") ; +} + +static void +ephyrStopVideo (KdScreenInfo *a_info, pointer a_port_priv, Bool a_exit) +{ + EphyrPortPriv *port_priv = a_port_priv ; + + EPHYR_RETURN_IF_FAIL (a_info && a_info->pScreen) ; + EPHYR_RETURN_IF_FAIL (port_priv) ; + + EPHYR_LOG ("enter\n") ; + if (!ephyrHostXVStopVideo (a_info->pScreen->myNum, + port_priv->port_number)) { + EPHYR_LOG_ERROR ("XvStopVideo() failed\n") ; + } + EPHYR_LOG ("leave\n") ; +} + +static int +ephyrSetPortAttribute (KdScreenInfo *a_info, + Atom a_attr_name, + int a_attr_value, + pointer a_port_priv) +{ + int res=Success, host_atom=0 ; + EphyrPortPriv *port_priv = a_port_priv ; + Bool is_attr_valid=FALSE ; + + EPHYR_RETURN_VAL_IF_FAIL (port_priv, BadMatch) ; + EPHYR_RETURN_VAL_IF_FAIL (port_priv->current_adaptor, BadMatch) ; + EPHYR_RETURN_VAL_IF_FAIL (port_priv->current_adaptor->pAttributes, + BadMatch) ; + EPHYR_RETURN_VAL_IF_FAIL (port_priv->current_adaptor->nAttributes, + BadMatch) ; + EPHYR_RETURN_VAL_IF_FAIL (ValidAtom (a_attr_name), BadMatch) ; + + EPHYR_LOG ("enter, portnum:%d, atomid:%d, attr_name:%s, attr_val:%d\n", + port_priv->port_number, + (int)a_attr_name, + NameForAtom (a_attr_name), + a_attr_value) ; + + if (!ephyrLocalAtomToHost (a_attr_name, &host_atom)) { + EPHYR_LOG_ERROR ("failed to convert local atom to host atom\n") ; + res = BadMatch ; + goto out ; + } + + if (!ephyrXVPrivIsAttrValueValid (port_priv->current_adaptor->pAttributes, + port_priv->current_adaptor->nAttributes, + NameForAtom (a_attr_name), + a_attr_value, + &is_attr_valid)) { + EPHYR_LOG_ERROR ("failed to validate attribute %s\n", + NameForAtom (a_attr_name)) ; + /* + res = BadMatch ; + goto out ; + */ + } + if (!is_attr_valid) { + EPHYR_LOG_ERROR ("attribute %s is not valid\n", + NameForAtom (a_attr_name)) ; + /* + res = BadMatch ; + goto out ; + */ + } + + if (!ephyrHostXVSetPortAttribute (port_priv->port_number, + host_atom, + a_attr_value)) { + EPHYR_LOG_ERROR ("failed to set port attribute\n") ; + res = BadMatch ; + goto out ; + } + + res = Success ; +out: + EPHYR_LOG ("leave\n") ; + return res ; +} + +static int +ephyrGetPortAttribute (KdScreenInfo *a_screen_info, + Atom a_attr_name, + int *a_attr_value, + pointer a_port_priv) +{ + int res=Success, host_atom=0 ; + EphyrPortPriv *port_priv = a_port_priv ; + + EPHYR_RETURN_VAL_IF_FAIL (port_priv, BadMatch) ; + EPHYR_RETURN_VAL_IF_FAIL (ValidAtom (a_attr_name), BadMatch) ; + + EPHYR_LOG ("enter, portnum:%d, atomid:%d, attr_name:%s\n", + port_priv->port_number, + (int)a_attr_name, + NameForAtom (a_attr_name)) ; + + if (!ephyrLocalAtomToHost (a_attr_name, &host_atom)) { + EPHYR_LOG_ERROR ("failed to convert local atom to host atom\n") ; + res = BadMatch ; + goto out ; + } + + if (!ephyrHostXVGetPortAttribute (port_priv->port_number, + host_atom, + a_attr_value)) { + EPHYR_LOG_ERROR ("failed to get port attribute\n") ; + res = BadMatch ; + goto out ; + } + + res = Success ; +out: + EPHYR_LOG ("leave\n") ; + return res ; +} + +static void +ephyrQueryBestSize (KdScreenInfo *a_info, + Bool a_motion, + short a_src_w, + short a_src_h, + short a_drw_w, + short a_drw_h, + unsigned int *a_prefered_w, + unsigned int *a_prefered_h, + pointer a_port_priv) +{ + int res=0 ; + EphyrPortPriv *port_priv = a_port_priv ; + + EPHYR_RETURN_IF_FAIL (port_priv) ; + + EPHYR_LOG ("enter\n") ; + res = ephyrHostXVQueryBestSize (port_priv->port_number, + a_motion, + a_src_w, a_src_h, + a_drw_w, a_drw_h, + a_prefered_w, a_prefered_h) ; + if (!res) { + EPHYR_LOG_ERROR ("Failed to query best size\n") ; + } + EPHYR_LOG ("leave\n") ; +} + +static int +ephyrPutImage (KdScreenInfo *a_info, + DrawablePtr a_drawable, + short a_src_x, + short a_src_y, + short a_drw_x, + short a_drw_y, + short a_src_w, + short a_src_h, + short a_drw_w, + short a_drw_h, + int a_id, + unsigned char *a_buf, + short a_width, + short a_height, + Bool a_sync, + RegionPtr a_clipping_region, + pointer a_port_priv) +{ + EphyrPortPriv *port_priv = a_port_priv ; + Bool is_ok=FALSE ; + int result=BadImplementation, image_size=0 ; + + EPHYR_RETURN_VAL_IF_FAIL (a_info && a_info->pScreen, BadValue) ; + EPHYR_RETURN_VAL_IF_FAIL (a_drawable, BadValue) ; + + EPHYR_LOG ("enter\n") ; + + if (!ephyrHostXVPutImage (a_info->pScreen->myNum, + port_priv->port_number, + a_id, + a_drw_x, a_drw_y, a_drw_w, a_drw_h, + a_src_x, a_src_y, a_src_w, a_src_h, + a_width, a_height, a_buf, + (EphyrHostBox*)REGION_RECTS (a_clipping_region), + REGION_NUM_RECTS (a_clipping_region))) { + EPHYR_LOG_ERROR ("EphyrHostXVPutImage() failed\n") ; + goto out ; + } + + /* + * Now save the image so that we can resend it to host it + * later, in ReputImage. + */ + if (!ephyrXVPrivGetImageBufSize (port_priv->port_number, + a_id, a_width, a_height, &image_size)) { + EPHYR_LOG_ERROR ("failed to get image size\n") ; + /*this is a minor error so we won't get bail out abruptly*/ + is_ok = FALSE ; + } else { + is_ok = TRUE ; + } + if (is_ok) { + if (!ephyrXVPrivSaveImageToPortPriv (port_priv, a_buf, image_size)) { + is_ok=FALSE ; + } else { + port_priv->image_id = a_id; + port_priv->drw_x = a_drw_x; + port_priv->drw_y = a_drw_y; + port_priv->drw_w = a_drw_w ; + port_priv->drw_h = a_drw_h ; + port_priv->src_x = a_src_x; + port_priv->src_y = a_src_y ; + port_priv->src_w = a_src_w ; + port_priv->src_h = a_src_h ; + port_priv->image_width = a_width ; + port_priv->image_height = a_height ; + } + } + if (!is_ok) { + if (port_priv->image_buf) { + free (port_priv->image_buf) ; + port_priv->image_buf = NULL ; + port_priv->image_buf_size = 0 ; + } + } + + result = Success ; + +out: + EPHYR_LOG ("leave\n") ; + return result ; +} + +static int +ephyrReputImage (KdScreenInfo *a_info, + DrawablePtr a_drawable, + short a_drw_x, + short a_drw_y, + RegionPtr a_clipping_region, + pointer a_port_priv) +{ + EphyrPortPriv *port_priv = a_port_priv ; + int result=BadImplementation ; + + EPHYR_RETURN_VAL_IF_FAIL (a_info->pScreen, FALSE) ; + EPHYR_RETURN_VAL_IF_FAIL (a_drawable && port_priv, BadValue) ; + + EPHYR_LOG ("enter\n") ; + + if (!port_priv->image_buf_size || !port_priv->image_buf) { + EPHYR_LOG_ERROR ("has null image buf in cache\n") ; + goto out ; + } + if (!ephyrHostXVPutImage (a_info->pScreen->myNum, + port_priv->port_number, + port_priv->image_id, + a_drw_x, a_drw_y, + port_priv->drw_w, port_priv->drw_h, + port_priv->src_x, port_priv->src_y, + port_priv->src_w, port_priv->src_h, + port_priv->image_width, port_priv->image_height, + port_priv->image_buf, + (EphyrHostBox*)REGION_RECTS (a_clipping_region), + REGION_NUM_RECTS (a_clipping_region))) { + EPHYR_LOG_ERROR ("ephyrHostXVPutImage() failed\n") ; + goto out ; + } + + result = Success ; + +out: + EPHYR_LOG ("leave\n") ; + return result ; +} + +static int +ephyrPutVideo (KdScreenInfo *a_info, + DrawablePtr a_drawable, + short a_vid_x, short a_vid_y, + short a_drw_x, short a_drw_y, + short a_vid_w, short a_vid_h, + short a_drw_w, short a_drw_h, + RegionPtr a_clipping_region, + pointer a_port_priv) +{ + EphyrPortPriv *port_priv = a_port_priv ; + BoxRec clipped_area, dst_box ; + int result=BadImplementation ; + int drw_x=0, drw_y=0, drw_w=0, drw_h=0 ; + + EPHYR_RETURN_VAL_IF_FAIL (a_info->pScreen, BadValue) ; + EPHYR_RETURN_VAL_IF_FAIL (a_drawable && port_priv, BadValue) ; + + EPHYR_LOG ("enter\n") ; + + dst_box.x1 = a_drw_x ; + dst_box.x2 = a_drw_x + a_drw_w; + dst_box.y1 = a_drw_y ; + dst_box.y2 = a_drw_y + a_drw_h; + + if (!DoSimpleClip (&dst_box, + REGION_EXTENTS (pScreen->pScreen, a_clipping_region), + &clipped_area)) { + EPHYR_LOG_ERROR ("failed to simple clip\n") ; + goto out ; + } + + drw_x = clipped_area.x1 ; + drw_y = clipped_area.y1 ; + drw_w = clipped_area.x2 - clipped_area.x1 ; + drw_h = clipped_area.y2 - clipped_area.y1 ; + + if (!ephyrHostXVPutVideo (a_info->pScreen->myNum, + port_priv->port_number, + a_vid_x, a_vid_y, a_vid_w, a_vid_h, + a_drw_x, a_drw_y, a_drw_w, a_drw_h)) { + EPHYR_LOG_ERROR ("ephyrHostXVPutVideo() failed\n") ; + goto out ; + } + result = Success ; + +out: + EPHYR_LOG ("leave\n") ; + return result ; +} + +static int +ephyrGetVideo (KdScreenInfo *a_info, + DrawablePtr a_drawable, + short a_vid_x, short a_vid_y, + short a_drw_x, short a_drw_y, + short a_vid_w, short a_vid_h, + short a_drw_w, short a_drw_h, + RegionPtr a_clipping_region, + pointer a_port_priv) +{ + EphyrPortPriv *port_priv = a_port_priv ; + BoxRec clipped_area, dst_box ; + int result=BadImplementation ; + int drw_x=0, drw_y=0, drw_w=0, drw_h=0 ; + + EPHYR_RETURN_VAL_IF_FAIL (a_info && a_info->pScreen, BadValue) ; + EPHYR_RETURN_VAL_IF_FAIL (a_drawable && port_priv, BadValue) ; + + EPHYR_LOG ("enter\n") ; + + dst_box.x1 = a_drw_x ; + dst_box.x2 = a_drw_x + a_drw_w; + dst_box.y1 = a_drw_y ; + dst_box.y2 = a_drw_y + a_drw_h; + + if (!DoSimpleClip (&dst_box, + REGION_EXTENTS (pScreen->pScreen, a_clipping_region), + &clipped_area)) { + EPHYR_LOG_ERROR ("failed to simple clip\n") ; + goto out ; + } + + drw_x = clipped_area.x1 ; + drw_y = clipped_area.y1 ; + drw_w = clipped_area.x2 - clipped_area.x1 ; + drw_h = clipped_area.y2 - clipped_area.y1 ; + + if (!ephyrHostXVGetVideo (a_info->pScreen->myNum, + port_priv->port_number, + a_vid_x, a_vid_y, a_vid_w, a_vid_h, + a_drw_x, a_drw_y, a_drw_w, a_drw_h)) { + EPHYR_LOG_ERROR ("ephyrHostXVGetVideo() failed\n") ; + goto out ; + } + result = Success ; + +out: + EPHYR_LOG ("leave\n") ; + return result ; +} + +static int +ephyrPutStill (KdScreenInfo *a_info, + DrawablePtr a_drawable, + short a_vid_x, short a_vid_y, + short a_drw_x, short a_drw_y, + short a_vid_w, short a_vid_h, + short a_drw_w, short a_drw_h, + RegionPtr a_clipping_region, + pointer a_port_priv) +{ + EphyrPortPriv *port_priv = a_port_priv ; + BoxRec clipped_area, dst_box ; + int result=BadImplementation ; + int drw_x=0, drw_y=0, drw_w=0, drw_h=0 ; + + EPHYR_RETURN_VAL_IF_FAIL (a_info && a_info->pScreen, BadValue) ; + EPHYR_RETURN_VAL_IF_FAIL (a_drawable && port_priv, BadValue) ; + + EPHYR_LOG ("enter\n") ; + + dst_box.x1 = a_drw_x ; + dst_box.x2 = a_drw_x + a_drw_w; + dst_box.y1 = a_drw_y ; + dst_box.y2 = a_drw_y + a_drw_h; + + if (!DoSimpleClip (&dst_box, + REGION_EXTENTS (pScreen->pScreen, a_clipping_region), + &clipped_area)) { + EPHYR_LOG_ERROR ("failed to simple clip\n") ; + goto out ; + } + + drw_x = clipped_area.x1 ; + drw_y = clipped_area.y1 ; + drw_w = clipped_area.x2 - clipped_area.x1 ; + drw_h = clipped_area.y2 - clipped_area.y1 ; + + if (!ephyrHostXVPutStill (a_info->pScreen->myNum, + port_priv->port_number, + a_vid_x, a_vid_y, a_vid_w, a_vid_h, + a_drw_x, a_drw_y, a_drw_w, a_drw_h)) { + EPHYR_LOG_ERROR ("ephyrHostXVPutStill() failed\n") ; + goto out ; + } + result = Success ; + +out: + EPHYR_LOG ("leave\n") ; + return result ; +} + +static int +ephyrGetStill (KdScreenInfo *a_info, + DrawablePtr a_drawable, + short a_vid_x, short a_vid_y, + short a_drw_x, short a_drw_y, + short a_vid_w, short a_vid_h, + short a_drw_w, short a_drw_h, + RegionPtr a_clipping_region, + pointer a_port_priv) +{ + EphyrPortPriv *port_priv = a_port_priv ; + BoxRec clipped_area, dst_box ; + int result=BadImplementation ; + int drw_x=0, drw_y=0, drw_w=0, drw_h=0 ; + + EPHYR_RETURN_VAL_IF_FAIL (a_info && a_info->pScreen, BadValue) ; + EPHYR_RETURN_VAL_IF_FAIL (a_drawable && port_priv, BadValue) ; + + EPHYR_LOG ("enter\n") ; + + dst_box.x1 = a_drw_x ; + dst_box.x2 = a_drw_x + a_drw_w; + dst_box.y1 = a_drw_y ; + dst_box.y2 = a_drw_y + a_drw_h; + + if (!DoSimpleClip (&dst_box, + REGION_EXTENTS (pScreen->pScreen, a_clipping_region), + &clipped_area)) { + EPHYR_LOG_ERROR ("failed to simple clip\n") ; + goto out ; + } + + drw_x = clipped_area.x1 ; + drw_y = clipped_area.y1 ; + drw_w = clipped_area.x2 - clipped_area.x1 ; + drw_h = clipped_area.y2 - clipped_area.y1 ; + + if (!ephyrHostXVGetStill (a_info->pScreen->myNum, + port_priv->port_number, + a_vid_x, a_vid_y, a_vid_w, a_vid_h, + a_drw_x, a_drw_y, a_drw_w, a_drw_h)) { + EPHYR_LOG_ERROR ("ephyrHostXVGetStill() failed\n") ; + goto out ; + } + result = Success ; + +out: + EPHYR_LOG ("leave\n") ; + return result ; +} + +static int +ephyrQueryImageAttributes (KdScreenInfo *a_info, + int a_id, + unsigned short *a_w, + unsigned short *a_h, + int *a_pitches, + int *a_offsets) +{ + int image_size=0 ; + + EPHYR_RETURN_VAL_IF_FAIL (a_w && a_h, FALSE) ; + + EPHYR_LOG ("enter: dim (%dx%d), pitches: %#x, offsets: %#x\n", + *a_w, *a_h, (unsigned int)a_pitches, (unsigned int)a_offsets) ; + + if (!ephyrHostXVQueryImageAttributes (s_base_port_id, + a_id, + a_w, a_h, + &image_size, + a_pitches, a_offsets)) { + EPHYR_LOG_ERROR ("EphyrHostXVQueryImageAttributes() failed\n") ; + goto out ; + } + EPHYR_LOG ("image size: %d, dim (%dx%d)\n", image_size, *a_w, *a_h) ; + +out: + EPHYR_LOG ("leave\n") ; + return image_size ; +} |