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annotate src/video/directfb/SDL_DirectFB_yuv.c @ 3932:cd5b5c52a37e SDL-1.2

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Const correctness patch for SDL_MapRGB and SDL_MapRGBA. Fixes Bugzilla #421.
author Ryan C. Gordon <icculus@icculus.org>
date Wed, 04 Apr 2007 09:40:40 +0000
parents e5a65c16913b
children a8a548394a81
rev   line source
478
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Sam Lantinga <slouken@libsdl.org>
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
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parents: 769
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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 #include "SDL_config.h"
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23
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24 /* This is the DirectFB implementation of YUV video overlays */
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25
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26 #include "SDL_video.h"
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27 #include "SDL_DirectFB_yuv.h"
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28 #include "../SDL_yuvfuncs.h"
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29
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30
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31 /* The functions used to manipulate software video overlays */
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32 static struct private_yuvhwfuncs directfb_yuvfuncs = {
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33 DirectFB_LockYUVOverlay,
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34 DirectFB_UnlockYUVOverlay,
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35 DirectFB_DisplayYUVOverlay,
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36 DirectFB_FreeYUVOverlay
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37 };
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38
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39 struct private_yuvhwdata {
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40 DFBDisplayLayerID layer_id;
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41
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42 IDirectFBDisplayLayer *layer;
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43 IDirectFBSurface *surface;
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44
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45 /* These are just so we don't have to allocate them separately */
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46 Uint16 pitches[3];
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47 Uint8 *planes[3];
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48 };
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49
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50 static DFBEnumerationResult
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51 enum_layers_callback( DFBDisplayLayerID id,
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52 DFBDisplayLayerDescription desc,
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53 void *data )
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54 {
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55 struct private_yuvhwdata *hwdata = (struct private_yuvhwdata *) data;
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56
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57 /* we don't want the primary */
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58 if (id == DLID_PRIMARY)
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59 return DFENUM_OK;
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60
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61 /* take the one with a surface for video */
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62 if ((desc.caps & DLCAPS_SURFACE) && (desc.type & DLTF_VIDEO))
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63 {
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64 hwdata->layer_id = id;
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65
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66 return DFENUM_CANCEL;
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67 }
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68
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69 return DFENUM_OK;
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70 }
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71
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72
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73 static DFBResult CreateYUVSurface(_THIS, struct private_yuvhwdata *hwdata,
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74 int width, int height, Uint32 format)
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75 {
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76 DFBResult ret;
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77 IDirectFB *dfb = HIDDEN->dfb;
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78 IDirectFBDisplayLayer *layer;
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79 DFBDisplayLayerConfig conf;
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80
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81 ret = dfb->EnumDisplayLayers (dfb, enum_layers_callback, hwdata);
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82 if (ret)
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83 {
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84 SetDirectFBerror("IDirectFB::EnumDisplayLayers", ret);
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85 return ret;
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86 }
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87
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88 if (!hwdata->layer_id)
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89 return DFB_UNSUPPORTED;
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90
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91 ret = dfb->GetDisplayLayer (dfb, hwdata->layer_id, &layer);
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92 if (ret)
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93 {
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94 SetDirectFBerror("IDirectFB::GetDisplayLayer", ret);
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95 return ret;
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96 }
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97
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98 conf.flags = DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT;
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99 conf.width = width;
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100 conf.height = height;
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101
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102 switch (format)
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103 {
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104 case SDL_YV12_OVERLAY:
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105 conf.pixelformat = DSPF_YV12;
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106 break;
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107 case SDL_IYUV_OVERLAY:
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108 conf.pixelformat = DSPF_I420;
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109 break;
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110 case SDL_YUY2_OVERLAY:
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111 conf.pixelformat = DSPF_YUY2;
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112 break;
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113 case SDL_UYVY_OVERLAY:
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114 conf.pixelformat = DSPF_UYVY;
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115 break;
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116 default:
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117 fprintf (stderr, "SDL_DirectFB: Unsupported YUV format (0x%08x)!\n", format);
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118 break;
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119 }
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120
3920
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121 /* Need to set coop level or newer DirectFB versions will fail here. */
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122 ret = layer->SetCooperativeLevel (layer, DLSCL_ADMINISTRATIVE);
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123 if (ret)
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124 {
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125 SetDirectFBError("IDirectFBDisplayLayer::SetCooperativeLevel() failed", ret);
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126 layer->Release (layer);
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127 return ret;
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128 }
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129
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130 ret = layer->SetConfiguration (layer, &conf);
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131 if (ret)
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132 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
133 SetDirectFBerror("IDirectFBDisplayLayer::SetConfiguration", ret);
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
134 layer->Release (layer);
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
135 return ret;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
136 }
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
137
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
138 ret = layer->GetSurface (layer, &hwdata->surface);
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
139 if (ret)
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
140 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
141 SetDirectFBerror("IDirectFBDisplayLayer::GetSurface", ret);
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
142 layer->Release (layer);
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143 return ret;
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
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 hwdata->layer = layer;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148 return DFB_OK;
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
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 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
152 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 SDL_Overlay *overlay;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 struct private_yuvhwdata *hwdata;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 /* Create the overlay structure */
1338
604d73db6802 Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
157 overlay = SDL_calloc (1, sizeof(SDL_Overlay));
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 if (!overlay)
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 SDL_OutOfMemory();
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 return NULL;
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
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 /* Fill in the basic members */
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 overlay->format = format;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 overlay->w = width;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 overlay->h = height;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 /* 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
170 overlay->hwfuncs = &directfb_yuvfuncs;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 /* Create the pixel data and lookup tables */
1338
604d73db6802 Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
173 hwdata = SDL_calloc(1, sizeof(struct private_yuvhwdata));
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 overlay->hwdata = hwdata;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 if (!hwdata)
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 SDL_OutOfMemory();
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178 SDL_FreeYUVOverlay (overlay);
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179 return NULL;
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
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 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
183 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 SDL_FreeYUVOverlay (overlay);
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 return NULL;
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
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
188 overlay->hw_overlay = 1;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190 /* Set up the plane pointers */
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 overlay->pitches = hwdata->pitches;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 overlay->pixels = hwdata->planes;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193 switch (format)
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 case SDL_YV12_OVERLAY:
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196 case SDL_IYUV_OVERLAY:
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 overlay->planes = 3;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198 break;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 default:
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200 overlay->planes = 1;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 break;
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
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 /* We're all done.. */
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 return overlay;
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
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208 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
209 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210 DFBResult ret;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211 void *data;
1782
Sam Lantinga <slouken@libsdl.org>
parents: 1643
diff changeset
212 int pitch;
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 IDirectFBSurface *surface = overlay->hwdata->surface;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 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
216 if (ret)
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 SetDirectFBerror("IDirectFBSurface::Lock", ret);
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 return -1;
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
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 /* 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
223 overlay->pitches[0] = (Uint16) pitch;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224 overlay->pixels[0] = (Uint8*) data;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226 switch (overlay->format)
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 case SDL_YV12_OVERLAY:
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229 case SDL_IYUV_OVERLAY:
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 /* Add the two extra planes */
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231 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
232 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
233 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
234 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
235 break;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 default:
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 /* Only one plane, no worries */
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 break;
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
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 return 0;
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
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 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
245 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 IDirectFBSurface *surface = overlay->hwdata->surface;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 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
249
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 surface->Unlock (surface);
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
1643
51038e80ae59 More general fix for bug #189
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
253 int DirectFB_DisplayYUVOverlay(_THIS, SDL_Overlay *overlay, SDL_Rect *src, SDL_Rect *dst)
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 DFBResult ret;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 DFBDisplayLayerConfig conf;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 IDirectFBDisplayLayer *primary = HIDDEN->layer;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 IDirectFBDisplayLayer *layer = overlay->hwdata->layer;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 primary->GetConfiguration (primary, &conf);
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 ret = layer->SetScreenLocation (layer,
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 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
264 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
265 if (ret)
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 {
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 SetDirectFBerror("IDirectFBDisplayLayer::SetScreenLocation", ret);
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 return -1;
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
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 return 0;
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
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272 }
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273
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274 void DirectFB_FreeYUVOverlay(_THIS, SDL_Overlay *overlay)
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275 {
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276 struct private_yuvhwdata *hwdata;
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277
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278 hwdata = overlay->hwdata;
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279 if (hwdata)
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280 {
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281 if (hwdata->surface)
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282 hwdata->surface->Release (hwdata->surface);
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283
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284 if (hwdata->layer)
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285 hwdata->layer->Release (hwdata->layer);
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286
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287 free (hwdata);
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288 }
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289 }
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290