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annotate src/video/directfb/SDL_DirectFB_yuv.c @ 478:f8482d7c9595

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Date: Tue, 27 Aug 2002 19:07:38 +0200 From: Denis Oliver Kropp Subject: YUV support I just added YUV overlay support to the DirectFB backend.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 31 Aug 2002 04:13:28 +0000
parents
children b8d311d90021
rev   line source
478
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* This is the DirectFB implementation of YUV video overlays */
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29
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30 #include <stdlib.h>
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31 #include <string.h>
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32
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33 #include "SDL_error.h"
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34 #include "SDL_video.h"
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35 #include "SDL_DirectFB_yuv.h"
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36 #include "SDL_yuvfuncs.h"
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37
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38
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39 /* The functions used to manipulate software video overlays */
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40 static struct private_yuvhwfuncs directfb_yuvfuncs = {
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41 DirectFB_LockYUVOverlay,
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42 DirectFB_UnlockYUVOverlay,
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43 DirectFB_DisplayYUVOverlay,
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44 DirectFB_FreeYUVOverlay
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45 };
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46
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47 struct private_yuvhwdata {
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48 DFBDisplayLayerID layer_id;
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49
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50 IDirectFBDisplayLayer *layer;
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51 IDirectFBSurface *surface;
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52
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53 /* These are just so we don't have to allocate them separately */
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54 Uint16 pitches[3];
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55 Uint8 *planes[3];
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56 };
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57
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58 static DFBEnumerationResult
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59 enum_layers_callback( DFBDisplayLayerID id,
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60 DFBDisplayLayerDescription desc,
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61 void *data )
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62 {
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63 struct private_yuvhwdata *hwdata = (struct private_yuvhwdata *) data;
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64
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65 /* we don't want the primary */
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66 if (id == DLID_PRIMARY)
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67 return DFENUM_OK;
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68
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69 /* take the one with a surface for video */
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70 if ((desc.caps & DLCAPS_SURFACE) && (desc.type & DLTF_VIDEO))
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71 {
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72 hwdata->layer_id = id;
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73
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74 return DFENUM_CANCEL;
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75 }
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76
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77 return DFENUM_OK;
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78 }
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79
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80
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81 static DFBResult CreateYUVSurface(_THIS, struct private_yuvhwdata *hwdata,
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82 int width, int height, Uint32 format)
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83 {
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84 DFBResult ret;
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85 IDirectFB *dfb = HIDDEN->dfb;
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86 IDirectFBDisplayLayer *layer;
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87 DFBDisplayLayerConfig conf;
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88
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89 ret = dfb->EnumDisplayLayers (dfb, enum_layers_callback, hwdata);
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90 if (ret)
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91 {
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92 SetDirectFBerror("IDirectFB::EnumDisplayLayers", ret);
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93 return ret;
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94 }
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95
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96 if (!hwdata->layer_id)
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97 return DFB_UNSUPPORTED;
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98
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99 ret = dfb->GetDisplayLayer (dfb, hwdata->layer_id, &layer);
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100 if (ret)
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101 {
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102 SetDirectFBerror("IDirectFB::GetDisplayLayer", ret);
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103 return ret;
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104 }
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105
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106 conf.flags = DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT;
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107 conf.width = width;
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108 conf.height = height;
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109
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110 switch (format)
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111 {
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112 case SDL_YV12_OVERLAY:
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113 conf.pixelformat = DSPF_YV12;
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114 break;
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115 case SDL_IYUV_OVERLAY:
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116 conf.pixelformat = DSPF_I420;
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117 break;
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118 case SDL_YUY2_OVERLAY:
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119 conf.pixelformat = DSPF_YUY2;
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120 break;
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121 case SDL_UYVY_OVERLAY:
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122 conf.pixelformat = DSPF_UYVY;
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123 break;
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124 default:
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125 fprintf (stderr, "SDL_DirectFB: Unsupported YUV format (0x%08x)!\n", format);
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126 break;
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127 }
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128
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129 ret = layer->SetConfiguration (layer, &conf);
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130 if (ret)
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131 {
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132 SetDirectFBerror("IDirectFBDisplayLayer::SetConfiguration", ret);
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133 layer->Release (layer);
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134 return ret;
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135 }
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diff changeset
136
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
137 ret = layer->GetSurface (layer, &hwdata->surface);
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
138 if (ret)
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
139 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
140 SetDirectFBerror("IDirectFBDisplayLayer::GetSurface", ret);
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
141 layer->Release (layer);
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
142 return ret;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143 }
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 hwdata->layer = layer;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147 return DFB_OK;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148 }
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150 SDL_Overlay *DirectFB_CreateYUVOverlay(_THIS, int width, int height, Uint32 format, SDL_Surface *display)
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 SDL_Overlay *overlay;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 struct private_yuvhwdata *hwdata;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 /* Create the overlay structure */
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 overlay = calloc (1, sizeof(SDL_Overlay));
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 if (!overlay)
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 SDL_OutOfMemory();
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 return NULL;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 }
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 /* Fill in the basic members */
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 overlay->format = format;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 overlay->w = width;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 overlay->h = height;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 /* Set up the YUV surface function structure */
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 overlay->hwfuncs = &directfb_yuvfuncs;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 /* Create the pixel data and lookup tables */
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 hwdata = calloc(1, sizeof(struct private_yuvhwdata));
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 overlay->hwdata = hwdata;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 if (!hwdata)
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 SDL_OutOfMemory();
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 SDL_FreeYUVOverlay (overlay);
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178 return NULL;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179 }
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 if (CreateYUVSurface (this, hwdata, width, height, format))
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183 SDL_FreeYUVOverlay (overlay);
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 return NULL;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 }
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187 overlay->hw_overlay = 1;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
188
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 /* Set up the plane pointers */
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190 overlay->pitches = hwdata->pitches;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 overlay->pixels = hwdata->planes;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 switch (format)
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194 case SDL_YV12_OVERLAY:
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 case SDL_IYUV_OVERLAY:
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 overlay->planes = 3;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 break;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198 default:
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 overlay->planes = 1;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200 break;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 }
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203 /* We're all done.. */
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 return overlay;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 }
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 int DirectFB_LockYUVOverlay(_THIS, SDL_Overlay *overlay)
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209 DFBResult ret;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210 void *data;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211 unsigned int pitch;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 IDirectFBSurface *surface = overlay->hwdata->surface;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214 ret = surface->Lock (surface, DSLF_READ | DSLF_WRITE, &data, &pitch);
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 if (ret)
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217 SetDirectFBerror("IDirectFBSurface::Lock", ret);
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 return -1;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 }
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 /* Find the pitch and offset values for the overlay */
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 overlay->pitches[0] = (Uint16) pitch;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223 overlay->pixels[0] = (Uint8*) data;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225 switch (overlay->format)
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227 case SDL_YV12_OVERLAY:
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 case SDL_IYUV_OVERLAY:
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229 /* Add the two extra planes */
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 overlay->pitches[1] = overlay->pitches[0] / 2;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231 overlay->pitches[2] = overlay->pitches[0] / 2;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232 overlay->pixels[1] = overlay->pixels[0] + overlay->pitches[0] * overlay->h;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 overlay->pixels[2] = overlay->pixels[1] + overlay->pitches[1] * overlay->h / 2;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 break;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 default:
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 /* Only one plane, no worries */
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 break;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 }
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 return 0;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 }
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 void DirectFB_UnlockYUVOverlay(_THIS, SDL_Overlay *overlay)
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 IDirectFBSurface *surface = overlay->hwdata->surface;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 overlay->pixels[0] = overlay->pixels[1] = overlay->pixels[2] = NULL;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 surface->Unlock (surface);
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 }
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 int DirectFB_DisplayYUVOverlay(_THIS, SDL_Overlay *overlay, SDL_Rect *dst)
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 DFBResult ret;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 DFBDisplayLayerConfig conf;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 IDirectFBDisplayLayer *primary = HIDDEN->layer;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 IDirectFBDisplayLayer *layer = overlay->hwdata->layer;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 primary->GetConfiguration (primary, &conf);
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 ret = layer->SetScreenLocation (layer,
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 dst->x / (float) conf.width, dst->y / (float) conf.height,
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 dst->w / (float) conf.width, dst->h / (float) conf.height );
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 if (ret)
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 SetDirectFBerror("IDirectFBDisplayLayer::SetScreenLocation", ret);
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 return -1;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 }
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 return 0;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 }
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 void DirectFB_FreeYUVOverlay(_THIS, SDL_Overlay *overlay)
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 struct private_yuvhwdata *hwdata;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
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276
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277 hwdata = overlay->hwdata;
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278 if (hwdata)
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279 {
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280 if (hwdata->surface)
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281 hwdata->surface->Release (hwdata->surface);
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282
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283 if (hwdata->layer)
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284 hwdata->layer->Release (hwdata->layer);
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285
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286 free (hwdata);
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287 }
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288 }
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289