2c4480979f
get rid of the magic buffer size and the whole name buffer naming the buffers individually doesn't serve any real purpose instead add a static string for all td buffers Change-Id: I962a966456453e1b84bab6fec6f4df7cb075ef4e
98 lines
2.7 KiB
C
98 lines
2.7 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2006 by Nicolas Pitre <nico@cam.org>
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* Copyright (C) 2006-2007 by Stéphane Doyon <s.doyon@videotron.ca>
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* Copyright (C) 2012 Michael Sevakis
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "platform.h"
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#include "dsp_core.h"
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#include "core_alloc.h"
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#include "tdspeed.h"
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#ifdef HAVE_PITCHCONTROL
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static int handles[4] = { 0, 0, 0, 0 };
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static int move_callback(int handle, void *current, void *new)
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{
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#if 0
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/* Should not currently need to block this since DSP loop completes an
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iteration before yielding and begins again at its input buffer */
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if (dsp_is_busy(tdspeed_state.dsp))
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return BUFLIB_CB_CANNOT_MOVE; /* DSP processing in progress */
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#endif
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for (unsigned int i = 0; i < ARRAYLEN(handles); i++)
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{
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if (handle != handles[i])
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continue;
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tdspeed_move(i, current, new);
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break;
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}
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return BUFLIB_CB_OK;
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}
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static struct buflib_callbacks ops =
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{
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.move_callback = move_callback,
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.shrink_callback = NULL,
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};
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/* Allocate timestretch buffers */
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bool tdspeed_alloc_buffers(int32_t **buffers, const int *buf_s, int nbuf)
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{
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/* #Buffer index - 0 ovl L, 1 ovl R, 2 out L, 3 out R */
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for (int i = 0; i < nbuf; i++)
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{
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if (handles[i] <= 0)
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{
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handles[i] = core_alloc_ex("tdspeed", buf_s[i], &ops);
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if (handles[i] <= 0)
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return false;
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}
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if (buffers[i] == NULL)
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{
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buffers[i] = core_get_data(handles[i]);
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if (buffers[i] == NULL)
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return false;
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}
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}
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return true;
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}
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/* Free timestretch buffers */
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void tdspeed_free_buffers(int32_t **buffers, int nbuf)
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{
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for (int i = 0; i < nbuf; i++)
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{
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if (handles[i] > 0)
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core_free(handles[i]);
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handles[i] = 0;
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buffers[i] = NULL;
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}
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}
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#endif /* HAVE_PITCHCONTROL */
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