Subversion Repositories Kolibri OS

/**************************************************************************

 *

 * 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 TUNGSTEN GRAPHICS 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 

#include 

#include 

#include 

#include 

#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))

      context_priv->procamp.brightness = value / 1000.0f;

   else if (strcmp(attr, XV_CONTRAST))

      context_priv->procamp.contrast = value / 1000.0f + 1.0f;

   else if (strcmp(attr, XV_SATURATION))

      context_priv->procamp.saturation = value / 1000.0f + 1.0f;

   else if (strcmp(attr, XV_HUE))

      context_priv->procamp.hue = value / 1000.0f;

   else if (strcmp(attr, XV_COLORSPACE))

      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);

   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))

      *value = context_priv->procamp.brightness * 1000;

   else if (strcmp(attr, XV_CONTRAST))

      *value = context_priv->procamp.contrast * 1000 - 1000;

   else if (strcmp(attr, XV_SATURATION))

      *value = context_priv->procamp.saturation * 1000 + 1000;

   else if (strcmp(attr, XV_HUE))

      *value = context_priv->procamp.hue * 1000;

   else if (strcmp(attr, XV_COLORSPACE))

      *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;

}