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annotate src/video/quartz/SDL_QuartzYUV.m @ 4404:b8de86ee2ad6 SDL-1.2-olpc

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First shot at GTK+ video target for the OLPC laptops. Seriously incomplete, but it's enough to get some bits to a window...
author Ryan C. Gordon <icculus@icculus.org>
date Thu, 19 Apr 2007 07:12:30 +0000
parents 4d11f2ae7582
children a1b03ba2fcd0
rev   line source
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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) 1997-2003 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 #include "SDL_config.h"
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23
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24 #include "SDL_QuartzVideo.h"
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25 #include "SDL_QuartzWindow.h"
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26 #include "../SDL_yuvfuncs.h"
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27
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28
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29 #define yuv_idh (this->hidden->yuv_idh)
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30 #define yuv_matrix (this->hidden->yuv_matrix)
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31 #define yuv_codec (this->hidden->yuv_codec)
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32 #define yuv_seq (this->hidden->yuv_seq)
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33 #define yuv_pixmap (this->hidden->yuv_pixmap)
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34 #define yuv_data (this->hidden->yuv_data)
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35 #define yuv_width (this->hidden->yuv_width)
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36 #define yuv_height (this->hidden->yuv_height)
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37 #define yuv_port (this->hidden->yuv_port)
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38
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39
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40 static int QZ_LockYUV (_THIS, SDL_Overlay *overlay) {
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41
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42 return 0;
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43 }
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44
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45 static void QZ_UnlockYUV (_THIS, SDL_Overlay *overlay) {
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46
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47 ;
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48 }
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49
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50 static int QZ_DisplayYUV (_THIS, SDL_Overlay *overlay, SDL_Rect *src, SDL_Rect *dst) {
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51
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52 OSErr err;
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53 CodecFlags flags;
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54
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55 if (dst->x != 0 || dst->y != 0) {
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56
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57 SDL_SetError ("Need a dst at (0,0)");
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58 return -1;
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59 }
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60
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61 if (dst->w != yuv_width || dst->h != yuv_height) {
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62
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63 Fixed scale_x, scale_y;
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64
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65 scale_x = FixDiv ( Long2Fix (dst->w), Long2Fix (overlay->w) );
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66 scale_y = FixDiv ( Long2Fix (dst->h), Long2Fix (overlay->h) );
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67
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68 SetIdentityMatrix (yuv_matrix);
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69 ScaleMatrix (yuv_matrix, scale_x, scale_y, Long2Fix (0), Long2Fix (0));
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70
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71 SetDSequenceMatrix (yuv_seq, yuv_matrix);
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72
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73 yuv_width = dst->w;
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74 yuv_height = dst->h;
761
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75 }
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76
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77 if( ( err = DecompressSequenceFrameS(
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78 yuv_seq,
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79 (void*)yuv_pixmap,
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80 sizeof (PlanarPixmapInfoYUV420),
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81 codecFlagUseImageBuffer, &flags, nil ) != noErr ) )
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82 {
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83 SDL_SetError ("DecompressSequenceFrameS failed");
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84 }
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85
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86 return err != noErr;
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87 }
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88
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89 static void QZ_FreeHWYUV (_THIS, SDL_Overlay *overlay) {
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90
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91 CDSequenceEnd (yuv_seq);
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92 ExitMovies();
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93
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94 SDL_free (overlay->hwfuncs);
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95 SDL_free (overlay->pitches);
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96 SDL_free (overlay->pixels);
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97
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98 if (SDL_VideoSurface->flags & SDL_FULLSCREEN) {
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99 [ qz_window close ];
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100 qz_window = nil;
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101 }
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102
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103 SDL_free (yuv_matrix);
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104 DisposeHandle ((Handle)yuv_idh);
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105 }
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106
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107 /* check for 16 byte alignment, bail otherwise */
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108 #define CHECK_ALIGN(x) do { if ((Uint32)x & 15) { SDL_SetError("Alignment error"); return NULL; } } while(0)
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109
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110 /* align a byte offset, return how much to add to make it a multiple of 16 */
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111 #define ALIGN(x) ((16 - (x & 15)) & 15)
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112
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113 SDL_Overlay* QZ_CreateYUVOverlay (_THIS, int width, int height,
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114 Uint32 format, SDL_Surface *display) {
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115
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116 Uint32 codec;
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117 OSStatus err;
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118 CGrafPtr port;
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119 SDL_Overlay *overlay;
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120
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121 if (format == SDL_YV12_OVERLAY ||
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122 format == SDL_IYUV_OVERLAY) {
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123
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124 codec = kYUV420CodecType;
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125 }
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126 else {
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127 SDL_SetError ("Hardware: unsupported video format");
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
128 return NULL;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
129 }
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
130
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
131 yuv_idh = (ImageDescriptionHandle) NewHandleClear (sizeof(ImageDescription));
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
132 if (yuv_idh == NULL) {
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
133 SDL_OutOfMemory();
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
134 return NULL;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
135 }
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
136
1756
eed7a3f396ce Using the SDL C runtime functions
Sam Lantinga <slouken@libsdl.org>
parents: 1648
diff changeset
137 yuv_matrix = (MatrixRecordPtr) SDL_malloc (sizeof(MatrixRecord));
761
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
138 if (yuv_matrix == NULL) {
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
139 SDL_OutOfMemory();
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
140 return NULL;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
141 }
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
142
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143 if ( EnterMovies() != noErr ) {
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144 SDL_SetError ("Could not init QuickTime for YUV playback");
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 return NULL;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 }
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148 err = FindCodec (codec, bestSpeedCodec, nil, &yuv_codec);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149 if (err != noErr) {
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150 SDL_SetError ("Could not find QuickTime codec for format");
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 return NULL;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 }
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 if (SDL_VideoSurface->flags & SDL_FULLSCREEN) {
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 /*
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157 Acceleration requires a window to be present.
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 A CGrafPtr that points to the screen isn't good enough
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 */
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 NSRect content = NSMakeRect (0, 0, SDL_VideoSurface->w, SDL_VideoSurface->h);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162 qz_window = [ [ SDL_QuartzWindow alloc ]
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 initWithContentRect:content
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 styleMask:NSBorderlessWindowMask
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 backing:NSBackingStoreBuffered defer:NO ];
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 if (qz_window == nil) {
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 SDL_SetError ("Could not create the Cocoa window");
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169 return NULL;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 }
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 [ qz_window setContentView:[ [ NSQuickDrawView alloc ] init ] ];
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 [ qz_window setReleasedWhenClosed:YES ];
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 [ qz_window center ];
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 [ qz_window setAcceptsMouseMovedEvents:YES ];
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 [ qz_window setLevel:CGShieldingWindowLevel() ];
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 [ qz_window makeKeyAndOrderFront:nil ];
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179 port = [ [ qz_window contentView ] qdPort ];
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180 SetPort (port);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 /*
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183 BUG: would like to remove white flash when window kicks in
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 {
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 Rect r;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 SetRect (&r, 0, 0, SDL_VideoSurface->w, SDL_VideoSurface->h);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187 PaintRect (&r);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
188 QDFlushPortBuffer (port, nil);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 }
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190 */
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 }
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 else {
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193 port = [ window_view qdPort ];
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194 SetPort (port);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 }
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 SetIdentityMatrix (yuv_matrix);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 HLock ((Handle)yuv_idh);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 (**yuv_idh).idSize = sizeof(ImageDescription);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 (**yuv_idh).cType = codec;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203 (**yuv_idh).version = 1;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 (**yuv_idh).revisionLevel = 0;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 (**yuv_idh).width = width;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 (**yuv_idh).height = height;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 (**yuv_idh).hRes = Long2Fix(72);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208 (**yuv_idh).vRes = Long2Fix(72);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209 (**yuv_idh).spatialQuality = codecLosslessQuality;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210 (**yuv_idh).frameCount = 1;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211 (**yuv_idh).clutID = -1;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 (**yuv_idh).dataSize = 0;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 (**yuv_idh).depth = 24;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 HUnlock ((Handle)yuv_idh);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217 err = DecompressSequenceBeginS (
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 &yuv_seq,
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 yuv_idh,
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220 NULL,
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 0,
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 port,
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223 NULL,
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224 NULL,
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225 yuv_matrix,
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226 0,
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227 NULL,
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 codecFlagUseImageBuffer,
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229 codecLosslessQuality,
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 yuv_codec);
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232 if (err != noErr) {
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 SDL_SetError ("Error trying to start YUV codec.");
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 return NULL;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 }
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236
1756
eed7a3f396ce Using the SDL C runtime functions
Sam Lantinga <slouken@libsdl.org>
parents: 1648
diff changeset
237 overlay = (SDL_Overlay*) SDL_malloc (sizeof(*overlay));
761
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 if (overlay == NULL) {
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 SDL_OutOfMemory();
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 return NULL;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 }
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 overlay->format = format;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 overlay->w = width;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 overlay->h = height;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 overlay->planes = 3;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 overlay->hw_overlay = 1;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 {
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 int offset;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 Uint8 **pixels;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 Uint16 *pitches;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 int plane2, plane3;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 if (format == SDL_IYUV_OVERLAY) {
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 plane2 = 1; /* Native codec format */
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 plane3 = 2;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 }
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 else if (format == SDL_YV12_OVERLAY) {
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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260
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261 /* switch the U and V planes */
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262 plane2 = 2; /* U plane maps to plane 3 */
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263 plane3 = 1; /* V plane maps to plane 2 */
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264 }
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265 else {
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266 SDL_SetError("Unsupported YUV format");
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267 return NULL;
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268 }
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269
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270 pixels = (Uint8**) SDL_malloc (sizeof(*pixels) * 3);
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271 pitches = (Uint16*) SDL_malloc (sizeof(*pitches) * 3);
761
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272 if (pixels == NULL || pitches == NULL) {
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273 SDL_OutOfMemory();
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274 return NULL;
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275 }
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276
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277 /* Fix: jc.bertin@free.fr
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278 PlanarPixmapInfoYUV420 is a big-endian struct */
761
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279 yuv_pixmap = (PlanarPixmapInfoYUV420*)
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280 SDL_malloc (sizeof(PlanarPixmapInfoYUV420) +
761
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281 (width * height * 2));
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282 if (yuv_pixmap == NULL) {
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283 SDL_OutOfMemory ();
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284 return NULL;
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285 }
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286
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287 /* CHECK_ALIGN(yuv_pixmap); */
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288 offset = sizeof(PlanarPixmapInfoYUV420);
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289 /* offset += ALIGN(offset); */
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290 /* CHECK_ALIGN(offset); */
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291
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292 pixels[0] = (Uint8*)yuv_pixmap + offset;
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293 /* CHECK_ALIGN(pixels[0]); */
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294
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295 pitches[0] = width;
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296 yuv_pixmap->componentInfoY.offset = EndianS32_NtoB(offset);
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297 yuv_pixmap->componentInfoY.rowBytes = EndianU32_NtoB(width);
761
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298
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299 offset += width * height;
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300 pixels[plane2] = (Uint8*)yuv_pixmap + offset;
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301 pitches[plane2] = width / 2;
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302 yuv_pixmap->componentInfoCb.offset = EndianS32_NtoB(offset);
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303 yuv_pixmap->componentInfoCb.rowBytes = EndianU32_NtoB(width / 2);
761
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304
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305 offset += (width * height / 4);
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306 pixels[plane3] = (Uint8*)yuv_pixmap + offset;
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307 pitches[plane3] = width / 2;
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308 yuv_pixmap->componentInfoCr.offset = EndianS32_NtoB(offset);
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309 yuv_pixmap->componentInfoCr.rowBytes = EndianU32_NtoB(width / 2);
761
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310
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311 overlay->pixels = pixels;
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312 overlay->pitches = pitches;
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313 }
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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314
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315 overlay->hwfuncs = SDL_malloc (sizeof(*overlay->hwfuncs));
761
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316 if (overlay->hwfuncs == NULL) {
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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317 SDL_OutOfMemory();
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318 return NULL;
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319 }
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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320
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321 overlay->hwfuncs->Lock = QZ_LockYUV;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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322 overlay->hwfuncs->Unlock = QZ_UnlockYUV;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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323 overlay->hwfuncs->Display = QZ_DisplayYUV;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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324 overlay->hwfuncs->FreeHW = QZ_FreeHWYUV;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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diff changeset
325
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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326 yuv_width = overlay->w;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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327 yuv_height = overlay->h;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
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diff changeset
328
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
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329 return overlay;
c5b2b6d2d1fe Date: Wed, 31 Dec 2003 21:55:30 +0100
Sam Lantinga <slouken@libsdl.org>
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330 }