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/**************************************************************************
*
* Copyright 2009 Younes Manton.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include <assert.h>
#include <stdlib.h>
#include <X11/Xlib.h>
#include <X11/extensions/Xvlib.h>
#include <X11/extensions/XvMClib.h>
#include "vl/vl_compositor.h"
#include "xvmc_private.h"
#define XV_BRIGHTNESS "XV_BRIGHTNESS"
#define XV_CONTRAST "XV_CONTRAST"
#define XV_SATURATION "XV_SATURATION"
#define XV_HUE "XV_HUE"
#define XV_COLORSPACE "XV_COLORSPACE"
static const XvAttribute attributes[] = {
{ XvGettable | XvSettable, -1000, 1000, XV_BRIGHTNESS },
{ XvGettable | XvSettable, -1000, 1000, XV_CONTRAST },
{ XvGettable | XvSettable, -1000, 1000, XV_SATURATION },
{ XvGettable | XvSettable, -1000, 1000, XV_HUE },
{ XvGettable | XvSettable, 0, 1, XV_COLORSPACE }
};
PUBLIC
XvAttribute* XvMCQueryAttributes(Display *dpy, XvMCContext *context, int *number)
{
XvAttribute *result;
assert(dpy && number);
if (!context || !context->privData)
return NULL;
result = malloc(sizeof(attributes));
if (!result)
return NULL;
memcpy(result, attributes, sizeof(attributes));
*number = sizeof(attributes) / sizeof(XvAttribute);
XVMC_MSG(XVMC_TRACE, "[XvMC] Returning %d attributes for context %p.\n", *number, context);
return result;
}
PUBLIC
Status XvMCSetAttribute(Display *dpy, XvMCContext *context, Atom attribute, int value)
{
XvMCContextPrivate *context_priv;
const char *attr;
vl_csc_matrix csc;
assert(dpy);
if (!context || !context->privData)
return XvMCBadContext;
context_priv = context->privData;
attr = XGetAtomName(dpy, attribute);
if (!attr)
return XvMCBadContext;
if (strcmp(attr, XV_BRIGHTNESS) == 0)
context_priv->procamp.brightness = value / 1000.0f;
else if (strcmp(attr, XV_CONTRAST) == 0)
context_priv->procamp.contrast = value / 1000.0f + 1.0f;
else if (strcmp(attr, XV_SATURATION) == 0)
context_priv->procamp.saturation = value / 1000.0f + 1.0f;
else if (strcmp(attr, XV_HUE) == 0)
context_priv->procamp.hue = value / 1000.0f;
else if (strcmp(attr, XV_COLORSPACE) == 0)
context_priv->color_standard = value ?
VL_CSC_COLOR_STANDARD_BT_601 :
VL_CSC_COLOR_STANDARD_BT_709;
else
return BadName;
vl_csc_get_matrix
(
context_priv->color_standard,
&context_priv->procamp, true, &csc
);
vl_compositor_set_csc_matrix(&context_priv->cstate, (const vl_csc_matrix *)&csc, 1.0f, 0.0f);
XVMC_MSG(XVMC_TRACE, "[XvMC] Set attribute %s to value %d.\n", attr, value);
return Success;
}
PUBLIC
Status XvMCGetAttribute(Display *dpy, XvMCContext *context, Atom attribute, int *value)
{
XvMCContextPrivate *context_priv;
const char *attr;
assert(dpy);
if (!context || !context->privData)
return XvMCBadContext;
context_priv = context->privData;
attr = XGetAtomName(dpy, attribute);
if (!attr)
return XvMCBadContext;
if (strcmp(attr, XV_BRIGHTNESS) == 0)
*value = context_priv->procamp.brightness * 1000;
else if (strcmp(attr, XV_CONTRAST) == 0)
*value = context_priv->procamp.contrast * 1000 - 1000;
else if (strcmp(attr, XV_SATURATION) == 0)
*value = context_priv->procamp.saturation * 1000 + 1000;
else if (strcmp(attr, XV_HUE) == 0)
*value = context_priv->procamp.hue * 1000;
else if (strcmp(attr, XV_COLORSPACE) == 0)
*value = context_priv->color_standard == VL_CSC_COLOR_STANDARD_BT_709;
else
return BadName;
XVMC_MSG(XVMC_TRACE, "[XvMC] Got value %d for attribute %s.\n", *value, attr);
return Success;
}
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