| 1 | /* |
| 2 | Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> |
| 4 | |
| 5 | This software is provided 'as-is', without any express or implied |
| 6 | warranty. In no event will the authors be held liable for any damages |
| 7 | arising from the use of this software. |
| 8 | |
| 9 | Permission is granted to anyone to use this software for any purpose, |
| 10 | including commercial applications, and to alter it and redistribute it |
| 11 | freely, subject to the following restrictions: |
| 12 | |
| 13 | 1. The origin of this software must not be misrepresented; you must not |
| 14 | claim that you wrote the original software. If you use this software |
| 15 | in a product, an acknowledgment in the product documentation would be |
| 16 | appreciated but is not required. |
| 17 | 2. Altered source versions must be plainly marked as such, and must not be |
| 18 | misrepresented as being the original software. |
| 19 | 3. This notice may not be removed or altered from any source distribution. |
| 20 | */ |
| 21 | #include "SDL_internal.h" |
| 22 | |
| 23 | #ifndef SDL_ALSA_audio_h_ |
| 24 | #define SDL_ALSA_audio_h_ |
| 25 | |
| 26 | #include <alsa/asoundlib.h> |
| 27 | |
| 28 | #include "../SDL_sysaudio.h" |
| 29 | |
| 30 | #define SDL_AUDIO_ALSA__CHMAP_CHANS_N_MAX 8 |
| 31 | #define SDL_AUDIO_ALSA__SDL_CHMAPS_N 9 // from 0 channels to 8 channels |
| 32 | struct SDL_PrivateAudioData |
| 33 | { |
| 34 | // The audio device handle |
| 35 | snd_pcm_t *pcm; |
| 36 | |
| 37 | // Raw mixing buffer |
| 38 | Uint8 *mixbuf; |
| 39 | }; |
| 40 | |
| 41 | #endif // SDL_ALSA_audio_h_ |
| 42 | |