| /************************************************************************** |
| * |
| * 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 <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)) |
| 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; |
| } |