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annotate src/video/ataricommon/SDL_ataric2p_s.h @ 4165:3b8ac3d311a2 SDL-1.2

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Hello. This patch provides basic support for video on the Sony PS3 Linux framebuffer. Scaling, format-conversion, and drawing is done from the SPEs, so there is little performance impact to PPE applications. This is by no means production quality code, but it is a very good start and a good example of how to use the PS3's hardware capabilities to accelerate video playback on the box. The driver has been verified to work with ffplay, mplayer and xine. This piece of software has been developed at the IBM R&D Lab in Boeblingen, Germany and is now returned to the community. Enjoy ! Signed-off-by: D.Herrendoerfer < d.herrendoerfer [at] de [dot] ibm [dot] com >
author Sam Lantinga <slouken@libsdl.org>
date Thu, 02 Apr 2009 04:06:55 +0000
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 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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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 #ifndef _ATARI_C2P_h
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25 #define _ATARI_C2P_h
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26
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27 #include "SDL_stdinc.h"
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28
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29 /*--- Functions pointers ---*/
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30
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31 /* Convert a chunky screen to bitplane screen */
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32
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33 extern void (*SDL_Atari_C2pConvert)(
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34 Uint8 *src, /* Source screen (one byte=one pixel) */
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35 Uint8 *dest, /* Destination (4/8 bits planes) */
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36 Uint32 width, /* Dimensions of screen to convert */
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37 Uint32 height,
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38 Uint32 dblligne, /* Double the lines when converting ? */
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39 Uint32 srcpitch, /* Length of one source line in bytes */
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40 Uint32 dstpitch /* Length of one destination line in bytes */
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41 );
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42
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43 /*--- 8 bits functions ---*/
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44
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45 /* Convert a chunky screen to bitplane screen */
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46
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47 void SDL_Atari_C2pConvert8(
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48 Uint8 *src, /* Source screen (one byte=one pixel) */
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49 Uint8 *dest, /* Destination (8 bits planes) */
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50 Uint32 width, /* Dimensions of screen to convert */
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51 Uint32 height,
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52 Uint32 dblligne, /* Double the lines when converting ? */
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53 Uint32 srcpitch, /* Length of one source line in bytes */
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54 Uint32 dstpitch /* Length of one destination line in bytes */
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55 );
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56
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57 /*--- 4 bits functions ---*/
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59 /* Convert a chunky screen to bitplane screen */
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60
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61 void SDL_Atari_C2pConvert4(
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62 Uint8 *src, /* Source screen (one byte=one pixel) */
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63 Uint8 *dest, /* Destination (4 bits planes) */
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64 Uint32 width, /* Dimensions of screen to convert */
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65 Uint32 height,
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66 Uint32 dblligne, /* Double the lines when converting ? */
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67 Uint32 srcpitch, /* Length of one source line in bytes */
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68 Uint32 dstpitch /* Length of one destination line in bytes */
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69 );
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71 /* Conversion palette */
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72
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73 void SDL_Atari_C2pConvert4_pal(Uint16 *lightpalette);
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75 #endif /* _ATARI_C2P_h */