1 /**************************************************************************
2 *
3 * Copyright 2009 Younes Manton.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28 #include <assert.h>
29 #include <stdlib.h>
30
31 #include <X11/Xlib.h>
32 #include <X11/extensions/Xvlib.h>
33 #include <X11/extensions/XvMClib.h>
34
35 #include "vl/vl_compositor.h"
36
37 #include "xvmc_private.h"
38
39 #define XV_BRIGHTNESS "XV_BRIGHTNESS"
40 #define XV_CONTRAST "XV_CONTRAST"
41 #define XV_SATURATION "XV_SATURATION"
42 #define XV_HUE "XV_HUE"
43 #define XV_COLORSPACE "XV_COLORSPACE"
44
45 static const XvAttribute attributes[] = {
46 { XvGettable | XvSettable, -1000, 1000, XV_BRIGHTNESS },
47 { XvGettable | XvSettable, -1000, 1000, XV_CONTRAST },
48 { XvGettable | XvSettable, -1000, 1000, XV_SATURATION },
49 { XvGettable | XvSettable, -1000, 1000, XV_HUE },
50 { XvGettable | XvSettable, 0, 1, XV_COLORSPACE }
51 };
52
53 PUBLIC
XvMCQueryAttributes(Display * dpy,XvMCContext * context,int * number)54 XvAttribute* XvMCQueryAttributes(Display *dpy, XvMCContext *context, int *number)
55 {
56 XvAttribute *result;
57
58 assert(dpy && number);
59
60 if (!context || !context->privData)
61 return NULL;
62
63 result = malloc(sizeof(attributes));
64 if (!result)
65 return NULL;
66
67 memcpy(result, attributes, sizeof(attributes));
68 *number = sizeof(attributes) / sizeof(XvAttribute);
69
70 XVMC_MSG(XVMC_TRACE, "[XvMC] Returning %d attributes for context %p.\n", *number, context);
71
72 return result;
73 }
74
75 PUBLIC
XvMCSetAttribute(Display * dpy,XvMCContext * context,Atom attribute,int value)76 Status XvMCSetAttribute(Display *dpy, XvMCContext *context, Atom attribute, int value)
77 {
78 XvMCContextPrivate *context_priv;
79 const char *attr;
80 vl_csc_matrix csc;
81
82 assert(dpy);
83
84 if (!context || !context->privData)
85 return XvMCBadContext;
86
87 context_priv = context->privData;
88
89 attr = XGetAtomName(dpy, attribute);
90 if (!attr)
91 return XvMCBadContext;
92
93 if (strcmp(attr, XV_BRIGHTNESS))
94 context_priv->procamp.brightness = value / 1000.0f;
95 else if (strcmp(attr, XV_CONTRAST))
96 context_priv->procamp.contrast = value / 1000.0f + 1.0f;
97 else if (strcmp(attr, XV_SATURATION))
98 context_priv->procamp.saturation = value / 1000.0f + 1.0f;
99 else if (strcmp(attr, XV_HUE))
100 context_priv->procamp.hue = value / 1000.0f;
101 else if (strcmp(attr, XV_COLORSPACE))
102 context_priv->color_standard = value ?
103 VL_CSC_COLOR_STANDARD_BT_601 :
104 VL_CSC_COLOR_STANDARD_BT_709;
105 else
106 return BadName;
107
108 vl_csc_get_matrix
109 (
110 context_priv->color_standard,
111 &context_priv->procamp, true, &csc
112 );
113 vl_compositor_set_csc_matrix(&context_priv->cstate, (const vl_csc_matrix *)&csc);
114
115 XVMC_MSG(XVMC_TRACE, "[XvMC] Set attribute %s to value %d.\n", attr, value);
116
117 return Success;
118 }
119
120 PUBLIC
XvMCGetAttribute(Display * dpy,XvMCContext * context,Atom attribute,int * value)121 Status XvMCGetAttribute(Display *dpy, XvMCContext *context, Atom attribute, int *value)
122 {
123 XvMCContextPrivate *context_priv;
124 const char *attr;
125
126 assert(dpy);
127
128 if (!context || !context->privData)
129 return XvMCBadContext;
130
131 context_priv = context->privData;
132
133 attr = XGetAtomName(dpy, attribute);
134 if (!attr)
135 return XvMCBadContext;
136
137 if (strcmp(attr, XV_BRIGHTNESS))
138 *value = context_priv->procamp.brightness * 1000;
139 else if (strcmp(attr, XV_CONTRAST))
140 *value = context_priv->procamp.contrast * 1000 - 1000;
141 else if (strcmp(attr, XV_SATURATION))
142 *value = context_priv->procamp.saturation * 1000 + 1000;
143 else if (strcmp(attr, XV_HUE))
144 *value = context_priv->procamp.hue * 1000;
145 else if (strcmp(attr, XV_COLORSPACE))
146 *value = context_priv->color_standard == VL_CSC_COLOR_STANDARD_BT_709;
147 else
148 return BadName;
149
150 XVMC_MSG(XVMC_TRACE, "[XvMC] Got value %d for attribute %s.\n", *value, attr);
151
152 return Success;
153 }
154