01bf822896
The audio output plugins should get a constant pointer, because they must not modify the buffer. Since the size is a non-negative buffer size in bytes, we should change its type to size_t. git-svn-id: https://svn.musicpd.org/mpd/trunk@7293 09075e82-0dd4-0310-85a5-a0d7c8717e4f
76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
/* the Music Player Daemon (MPD)
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* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
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* This project's homepage is: http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "../audioOutput.h"
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#include "../timer.h"
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static int null_initDriver(AudioOutput *audioOutput, ConfigParam *param)
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{
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audioOutput->data = NULL;
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return 0;
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}
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static int null_openDevice(AudioOutput *audioOutput)
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{
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audioOutput->data = timer_new(&audioOutput->outAudioFormat);
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audioOutput->open = 1;
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return 0;
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}
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static void null_closeDevice(AudioOutput *audioOutput)
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{
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if (audioOutput->data) {
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timer_free(audioOutput->data);
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audioOutput->data = NULL;
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}
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audioOutput->open = 0;
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}
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static int null_playAudio(AudioOutput *audioOutput,
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const char *playChunk, size_t size)
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{
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Timer *timer = audioOutput->data;
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if (!timer->started)
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timer_start(timer);
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else
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timer_sync(timer);
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timer_add(timer, size);
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return 0;
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}
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static void null_dropBufferedAudio(AudioOutput *audioOutput)
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{
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timer_reset(audioOutput->data);
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}
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AudioOutputPlugin nullPlugin = {
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"null",
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NULL,
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null_initDriver,
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NULL,
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null_openDevice,
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null_playAudio,
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null_dropBufferedAudio,
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null_closeDevice,
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NULL,
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};
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