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annotate src/video/directfb/SDL_DirectFB_yuv.c @ 1895:c121d94672cb

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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 10 Jul 2006 21:04:37 +0000
parents 23fe15f88c03
children 7ba4a732e3d0
rev   line source
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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
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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 {
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41 DFBDisplayLayerID layer_id;
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42
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43 IDirectFBDisplayLayer *layer;
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44 IDirectFBSurface *surface;
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45
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46 /* These are just so we don't have to allocate them separately */
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47 Uint16 pitches[3];
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48 Uint8 *planes[3];
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49 };
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50
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51 static DFBEnumerationResult
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52 enum_layers_callback(DFBDisplayLayerID id,
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53 DFBDisplayLayerDescription desc, 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 hwdata->layer_id = id;
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64
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65 return DFENUM_CANCEL;
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66 }
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67
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68 return DFENUM_OK;
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69 }
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70
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71
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72 static DFBResult
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73 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 SetDirectFBerror("IDirectFB::EnumDisplayLayers", ret);
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84 return ret;
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85 }
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86
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87 if (!hwdata->layer_id)
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88 return DFB_UNSUPPORTED;
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89
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90 ret = dfb->GetDisplayLayer(dfb, hwdata->layer_id, &layer);
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91 if (ret) {
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92 SetDirectFBerror("IDirectFB::GetDisplayLayer", ret);
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93 return ret;
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94 }
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95
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96 conf.flags = DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT;
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97 conf.width = width;
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98 conf.height = height;
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99
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100 switch (format) {
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101 case SDL_YV12_OVERLAY:
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102 conf.pixelformat = DSPF_YV12;
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103 break;
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104 case SDL_IYUV_OVERLAY:
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105 conf.pixelformat = DSPF_I420;
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106 break;
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107 case SDL_YUY2_OVERLAY:
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108 conf.pixelformat = DSPF_YUY2;
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109 break;
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110 case SDL_UYVY_OVERLAY:
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111 conf.pixelformat = DSPF_UYVY;
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112 break;
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113 default:
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114 fprintf(stderr, "SDL_DirectFB: Unsupported YUV format (0x%08x)!\n",
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115 format);
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116 break;
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117 }
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118
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119 ret = layer->SetConfiguration(layer, &conf);
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120 if (ret) {
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121 SetDirectFBerror("IDirectFBDisplayLayer::SetConfiguration", ret);
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122 layer->Release(layer);
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123 return ret;
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124 }
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125
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Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
126 ret = layer->GetSurface(layer, &hwdata->surface);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
127 if (ret) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
128 SetDirectFBerror("IDirectFBDisplayLayer::GetSurface", ret);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
129 layer->Release(layer);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
130 return ret;
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
131 }
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
132
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
133 hwdata->layer = layer;
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
134
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
135 return DFB_OK;
478
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
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
138 SDL_Overlay *
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
139 DirectFB_CreateYUVOverlay(_THIS, int width, int height, Uint32 format,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
140 SDL_Surface * display)
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
141 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
142 SDL_Overlay *overlay;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
143 struct private_yuvhwdata *hwdata;
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
145 /* Create the overlay structure */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
146 overlay = SDL_calloc(1, sizeof(SDL_Overlay));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
147 if (!overlay) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
148 SDL_OutOfMemory();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
149 return NULL;
478
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
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
152 /* Fill in the basic members */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
153 overlay->format = format;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
154 overlay->w = width;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
155 overlay->h = height;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
156
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
157 /* Set up the YUV surface function structure */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
158 overlay->hwfuncs = &directfb_yuvfuncs;
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
160 /* Create the pixel data and lookup tables */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
161 hwdata = SDL_calloc(1, sizeof(struct private_yuvhwdata));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
162 overlay->hwdata = hwdata;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
163 if (!hwdata) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
164 SDL_OutOfMemory();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
165 SDL_FreeYUVOverlay(overlay);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
166 return NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
167 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
168
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
169 if (CreateYUVSurface(this, hwdata, width, height, format)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
170 SDL_FreeYUVOverlay(overlay);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
171 return NULL;
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 }
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
174 overlay->hw_overlay = 1;
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
176 /* Set up the plane pointers */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
177 overlay->pitches = hwdata->pitches;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
178 overlay->pixels = hwdata->planes;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
179 switch (format) {
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180 case SDL_YV12_OVERLAY:
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 case SDL_IYUV_OVERLAY:
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
182 overlay->planes = 3;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
183 break;
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 default:
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
185 overlay->planes = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
186 break;
478
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
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
189 /* We're all done.. */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
190 return overlay;
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 }
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
193 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
194 DirectFB_LockYUVOverlay(_THIS, SDL_Overlay * overlay)
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
196 DFBResult ret;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
197 void *data;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
198 int pitch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
199 IDirectFBSurface *surface = overlay->hwdata->surface;
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
201 ret = surface->Lock(surface, DSLF_READ | DSLF_WRITE, &data, &pitch);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
202 if (ret) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
203 SetDirectFBerror("IDirectFBSurface::Lock", ret);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
204 return -1;
478
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
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
207 /* Find the pitch and offset values for the overlay */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
208 overlay->pitches[0] = (Uint16) pitch;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
209 overlay->pixels[0] = (Uint8 *) data;
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
211 switch (overlay->format) {
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 case SDL_YV12_OVERLAY:
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 case SDL_IYUV_OVERLAY:
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
214 /* Add the two extra planes */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
215 overlay->pitches[1] = overlay->pitches[0] / 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
216 overlay->pitches[2] = overlay->pitches[0] / 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
217 overlay->pixels[1] =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
218 overlay->pixels[0] + overlay->pitches[0] * overlay->h;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
219 overlay->pixels[2] =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
220 overlay->pixels[1] + overlay->pitches[1] * overlay->h / 2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
221 break;
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 default:
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
223 /* Only one plane, no worries */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
224 break;
478
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
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
227 return 0;
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 }
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
230 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
231 DirectFB_UnlockYUVOverlay(_THIS, SDL_Overlay * overlay)
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
233 IDirectFBSurface *surface = overlay->hwdata->surface;
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
235 overlay->pixels[0] = overlay->pixels[1] = overlay->pixels[2] = NULL;
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
237 surface->Unlock(surface);
478
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
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
240 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
241 DirectFB_DisplayYUVOverlay(_THIS, SDL_Overlay * overlay, SDL_Rect * src,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
242 SDL_Rect * dst)
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
244 DFBResult ret;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
245 DFBDisplayLayerConfig conf;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
246 IDirectFBDisplayLayer *primary = HIDDEN->layer;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
247 IDirectFBDisplayLayer *layer = overlay->hwdata->layer;
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
249 primary->GetConfiguration(primary, &conf);
478
f8482d7c9595 Date: Tue, 27 Aug 2002 19:07:38 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
251 ret = layer->SetScreenLocation(layer,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1782
diff changeset
252 dst->x / (float) conf.width,
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253 dst->y / (float) conf.height,
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254 dst->w / (float) conf.width,
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255 dst->h / (float) conf.height);
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256 if (ret) {
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257 SetDirectFBerror("IDirectFBDisplayLayer::SetScreenLocation", ret);
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258 return -1;
478
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259 }
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260
1895
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261 return 0;
478
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262 }
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263
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264 void
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265 DirectFB_FreeYUVOverlay(_THIS, SDL_Overlay * overlay)
478
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266 {
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267 struct private_yuvhwdata *hwdata;
478
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268
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269 hwdata = overlay->hwdata;
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270 if (hwdata) {
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271 if (hwdata->surface)
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272 hwdata->surface->Release(hwdata->surface);
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273
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274 if (hwdata->layer)
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275 hwdata->layer->Release(hwdata->layer);
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276
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277 free(hwdata);
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278 }
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279 }
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280
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281 /* vi: set ts=4 sw=4 expandtab: */