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annotate src/audio/qsa/SDL_qsa_audio.h @ 4593:3892fe2f6537

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Fixed so many things. See the changelog listed below. 1. Use SDL_X11_HAVE_XRENDER to check for RENDER at runtime. 2. Added lots of comments. 3. Added checks and lots of calls to SDL_SetError(). 4. Fixed X11_CreateTexture() so that the pixmap and image created are for the format specified by the user and not the window format. This is only for the RENDER case. 5. The above change required that functions to convert SDL pixel format enums to Visuals and XRenderPictFormats be added. 6. Fixed lots of 'style' issues.
author Sunny Sachanandani <sunnysachanandani@gmail.com>
date Sat, 17 Jul 2010 15:38:24 +0530
parents f7b03b6838cb
children b530ef003506
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 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
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23 #include "SDL_config.h"
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24
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25 #ifndef __SDL_QSA_AUDIO_H__
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26 #define __SDL_QSA_AUDIO_H__
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27
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28 #include <sys/asoundlib.h>
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29
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30 #include "../SDL_sysaudio.h"
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31
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32 /* Hidden "this" pointer for the audio functions */
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33 #define _THIS SDL_AudioDevice* this
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34
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35 struct SDL_PrivateAudioData
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36 {
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37 /* SDL capture state */
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38 int iscapture;
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39
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40 /* The audio device handle */
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41 int cardno;
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42 int deviceno;
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43 snd_pcm_t *audio_handle;
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44
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45 /* The audio file descriptor */
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46 int audio_fd;
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47
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48 /* Select timeout status */
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49 uint32_t timeout_on_wait;
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50
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51 /* Raw mixing buffer */
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52 Uint8 *pcm_buf;
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53 Uint32 pcm_len;
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54 };
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55
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56 #endif /* __SDL_QSA_AUDIO_H__ */
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58 /* vi: set ts=4 sw=4 expandtab: */