412ce8bdc4
We had functions names varied between outputBufferFoo, fooOutputBuffer, and output_buffer_foo That was too confusing for my little brain to handle. And the global variable was somehow named 'cb' instead of the more obvious 'ob'... git-svn-id: https://svn.musicpd.org/mpd/trunk@7355 09075e82-0dd4-0310-85a5-a0d7c8717e4f
110 lines
3.0 KiB
C
110 lines
3.0 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 "playerData.h"
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#include "conf.h"
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#include "log.h"
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#include "utils.h"
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unsigned int buffered_before_play;
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#define DEFAULT_BUFFER_SIZE 2048
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#define DEFAULT_BUFFER_BEFORE_PLAY 10
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static PlayerData playerData_pd;
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PlayerControl pc;
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DecoderControl dc;
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OutputBuffer ob;
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void initPlayerData(void)
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{
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float perc = DEFAULT_BUFFER_BEFORE_PLAY;
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char *test;
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int crossfade = 0;
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size_t bufferSize = DEFAULT_BUFFER_SIZE;
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unsigned int buffered_chunks;
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ConfigParam *param;
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size_t device_array_size = audio_device_count() * sizeof(mpd_sint8);
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param = getConfigParam(CONF_AUDIO_BUFFER_SIZE);
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if (param) {
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bufferSize = strtol(param->value, &test, 10);
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if (*test != '\0' || bufferSize <= 0) {
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FATAL("buffer size \"%s\" is not a positive integer, "
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"line %i\n", param->value, param->line);
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}
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}
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bufferSize *= 1024;
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buffered_chunks = bufferSize / CHUNK_SIZE;
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if (buffered_chunks >= 1 << 15) {
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FATAL("buffer size \"%li\" is too big\n", (long)bufferSize);
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}
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param = getConfigParam(CONF_BUFFER_BEFORE_PLAY);
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if (param) {
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perc = strtod(param->value, &test);
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if (*test != '%' || perc < 0 || perc > 100) {
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FATAL("buffered before play \"%s\" is not a positive "
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"percentage and less than 100 percent, line %i"
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"\n", param->value, param->line);
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}
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}
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buffered_before_play = (perc / 100) * buffered_chunks;
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if (buffered_before_play > buffered_chunks) {
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buffered_before_play = buffered_chunks;
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}
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playerData_pd.audioDeviceStates = xmalloc(device_array_size);
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ob_init(buffered_chunks);
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notifyInit(&pc.notify);
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pc.error = PLAYER_ERROR_NOERROR;
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pc.state = PLAYER_STATE_STOP;
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pc.queueState = PLAYER_QUEUE_BLANK;
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pc.queueLockState = PLAYER_QUEUE_UNLOCKED;
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pc.crossFade = crossfade;
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pc.softwareVolume = 1000;
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notifyInit(&dc.notify);
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dc.state = DECODE_STATE_STOP;
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dc.error = DECODE_ERROR_NOERROR;
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}
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PlayerData *getPlayerData(void)
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{
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return &playerData_pd;
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}
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void freePlayerData(void)
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{
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/* We don't want to release this memory until we know our player and
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* decoder have exited. Otherwise, their signal handlers will want to
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* access playerData_pd and we need to keep it available for them */
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waitpid(-1, NULL, 0);
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ob_free();
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free(playerData_pd.audioDeviceStates);
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}
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