8b1f6ff3c8
.. and rename dc.audioFormat to dc.in_audio_format. The music pipe does not need to know the audio format, and its former "audioFormat" property indicated the format of the most recently added chunk, which might be confusing when you are reading the oldest chunks.
106 lines
2.5 KiB
C
106 lines
2.5 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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* Copyright (C) 2008 Max Kellermann <max@duempel.org>
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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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#ifndef MPD_DECODER_CONTROL_H
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#define MPD_DECODER_CONTROL_H
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#include "decoder_api.h"
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#include "audio_format.h"
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#include "notify.h"
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#define DECODE_TYPE_FILE 0
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#define DECODE_TYPE_URL 1
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enum decoder_state {
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DECODE_STATE_STOP = 0,
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DECODE_STATE_START,
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DECODE_STATE_DECODE
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};
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#define DECODE_ERROR_NOERROR 0
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#define DECODE_ERROR_UNKTYPE 10
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#define DECODE_ERROR_FILE 20
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struct decoder_control {
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struct notify notify;
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volatile enum decoder_state state;
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volatile enum decoder_command command;
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volatile uint16_t error;
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bool seekError;
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bool seekable;
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volatile double seekWhere;
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/** the format of the song file */
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struct audio_format in_audio_format;
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/** the format being sent to the music pipe */
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struct audio_format out_audio_format;
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struct song *current_song;
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struct song *volatile next_song;
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volatile float totalTime;
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};
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extern struct decoder_control dc;
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void dc_init(void);
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void dc_deinit(void);
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static inline bool decoder_is_idle(void)
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{
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return dc.state == DECODE_STATE_STOP &&
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dc.command != DECODE_COMMAND_START;
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}
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static inline bool decoder_is_starting(void)
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{
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return dc.command == DECODE_COMMAND_START ||
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dc.state == DECODE_STATE_START;
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}
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static inline struct song *
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decoder_current_song(void)
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{
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if (dc.state == DECODE_STATE_STOP ||
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dc.error != DECODE_ERROR_NOERROR)
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return NULL;
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return dc.current_song;
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}
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void
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dc_command_wait(struct notify *notify);
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void
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dc_start(struct notify *notify, struct song *song);
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void
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dc_start_async(struct song *song);
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void
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dc_stop(struct notify *notify);
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bool
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dc_seek(struct notify *notify, double where);
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#endif
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