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Refactored the audio queueing code to a generic SDL_DataQueue interface.

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This is not a public API (at the moment), but we will be needing this for
other internal things soon.

--HG--
extra : rebase_source : a9cc678783f19b02978f9b09f77b6a4ae9759a92
This commit is contained in:
Ryan C. Gordon 2016-12-06 02:23:54 -05:00
parent a43f4155bb
commit 1f9dbc5f66
7 changed files with 330 additions and 179 deletions
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39
src/SDL_dataqueue.h Normal file
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_dataqueue_h_
#define SDL_dataqueue_h_
/* this is not (currently) a public API. But maybe it should be! */
struct SDL_DataQueue;
typedef struct SDL_DataQueue SDL_DataQueue;
SDL_DataQueue *SDL_NewDataQueue(const size_t packetlen, const size_t initialslack);
void SDL_FreeDataQueue(SDL_DataQueue *queue);
void SDL_ClearDataQueue(SDL_DataQueue *queue, const size_t slack);
int SDL_WriteToDataQueue(SDL_DataQueue *queue, const void *data, const size_t len);
size_t SDL_ReadFromDataQueue(SDL_DataQueue *queue, void *buf, const size_t len);
size_t SDL_CountDataQueue(SDL_DataQueue *queue);
#endif /* SDL_dataqueue_h_ */
/* vi: set ts=4 sw=4 expandtab: */