2004-02-24 00:41:20 +01:00
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/* the Music Player Daemon (MPD)
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2007-04-05 05:22:33 +02:00
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* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
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2004-02-24 00:41:20 +01:00
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* This project's homepage is: http://www.musicpd.org
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*
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* libaudiofile (wave) support added by Eric Wong <normalperson@yhbt.net>
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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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2008-08-26 08:27:04 +02:00
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#include "../decoder_api.h"
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2004-05-31 04:31:55 +02:00
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#include "../log.h"
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2004-02-24 00:41:20 +01:00
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2008-10-08 10:49:29 +02:00
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#include <sys/stat.h>
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2004-02-24 00:41:20 +01:00
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#include <audiofile.h>
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2008-08-26 08:41:05 +02:00
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/* pick 1020 since its devisible for 8,16,24, and 32-bit audio */
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#define CHUNK_SIZE 1020
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2008-10-31 15:56:43 +01:00
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static int getAudiofileTotalTime(const char *file)
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2004-02-24 00:41:20 +01:00
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{
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2008-01-26 13:46:21 +01:00
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int total_time;
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2004-02-24 00:41:20 +01:00
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AFfilehandle af_fp = afOpenFile(file, "r", NULL);
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2006-07-20 18:02:40 +02:00
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if (af_fp == AF_NULL_FILEHANDLE) {
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2004-02-24 00:41:20 +01:00
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return -1;
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}
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2008-01-26 13:46:21 +01:00
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total_time = (int)
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2006-07-20 18:02:40 +02:00
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((double)afGetFrameCount(af_fp, AF_DEFAULT_TRACK)
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/ afGetRate(af_fp, AF_DEFAULT_TRACK));
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2004-02-24 00:41:20 +01:00
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afCloseFile(af_fp);
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2008-01-26 13:46:21 +01:00
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return total_time;
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2004-02-24 00:41:20 +01:00
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}
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2008-10-30 08:38:54 +01:00
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static bool
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2008-10-31 15:56:43 +01:00
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audiofile_decode(struct decoder *decoder, const char *path)
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2006-07-20 18:02:40 +02:00
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{
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2004-02-24 00:41:20 +01:00
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int fs, frame_count;
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AFfilehandle af_fp;
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2004-02-27 02:35:23 +01:00
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int bits;
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2008-09-07 19:19:55 +02:00
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struct audio_format audio_format;
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2008-08-26 08:27:05 +02:00
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float total_time;
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2008-09-29 15:49:29 +02:00
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uint16_t bitRate;
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2004-03-24 03:23:40 +01:00
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struct stat st;
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2008-08-26 08:27:06 +02:00
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int ret, current = 0;
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char chunk[CHUNK_SIZE];
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2004-03-24 03:23:40 +01:00
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2006-07-20 18:02:40 +02:00
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if (stat(path, &st) < 0) {
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2004-05-31 13:42:46 +02:00
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ERROR("failed to stat: %s\n", path);
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2008-10-30 08:38:54 +01:00
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return false;
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2004-03-24 03:23:40 +01:00
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}
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2004-05-31 13:42:46 +02:00
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af_fp = afOpenFile(path, "r", NULL);
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2006-07-20 18:02:40 +02:00
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if (af_fp == AF_NULL_FILEHANDLE) {
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2004-05-31 13:42:46 +02:00
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ERROR("failed to open: %s\n", path);
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2008-10-30 08:38:54 +01:00
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return false;
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2004-02-24 00:41:20 +01:00
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}
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2006-08-24 23:59:19 +02:00
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afSetVirtualSampleFormat(af_fp, AF_DEFAULT_TRACK,
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AF_SAMPFMT_TWOSCOMP, 16);
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2006-08-24 22:54:40 +02:00
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afGetVirtualSampleFormat(af_fp, AF_DEFAULT_TRACK, &fs, &bits);
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2008-09-29 15:49:29 +02:00
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audio_format.bits = (uint8_t)bits;
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2008-10-10 14:40:54 +02:00
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audio_format.sample_rate =
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2008-03-26 11:38:17 +01:00
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(unsigned int)afGetRate(af_fp, AF_DEFAULT_TRACK);
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2008-08-26 08:27:05 +02:00
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audio_format.channels =
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2008-09-29 15:49:29 +02:00
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(uint8_t)afGetVirtualChannels(af_fp, AF_DEFAULT_TRACK);
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2006-07-20 18:02:40 +02:00
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frame_count = afGetFrameCount(af_fp, AF_DEFAULT_TRACK);
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2008-10-10 14:40:54 +02:00
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total_time = ((float)frame_count / (float)audio_format.sample_rate);
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2006-07-20 18:02:40 +02:00
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2008-09-29 15:49:29 +02:00
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bitRate = (uint16_t)(st.st_size * 8.0 / total_time / 1000.0 + 0.5);
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2006-07-20 18:02:40 +02:00
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2008-08-26 08:27:05 +02:00
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if (audio_format.bits != 8 && audio_format.bits != 16) {
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2004-02-24 00:41:20 +01:00
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ERROR("Only 8 and 16-bit files are supported. %s is %i-bit\n",
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2008-08-26 08:27:05 +02:00
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path, audio_format.bits);
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2004-02-24 00:41:20 +01:00
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afCloseFile(af_fp);
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2008-10-30 08:38:54 +01:00
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return false;
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2004-02-24 00:41:20 +01:00
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}
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2006-07-20 18:02:40 +02:00
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2006-08-24 22:54:40 +02:00
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fs = (int)afGetVirtualFrameSize(af_fp, AF_DEFAULT_TRACK, 1);
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2004-02-24 00:41:20 +01:00
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2008-08-26 08:27:05 +02:00
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decoder_initialized(decoder, &audio_format, total_time);
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2008-08-26 08:27:05 +02:00
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2008-08-26 08:27:06 +02:00
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do {
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2008-08-26 08:27:07 +02:00
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if (decoder_get_command(decoder) == DECODE_COMMAND_SEEK) {
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2008-08-26 08:27:07 +02:00
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current = decoder_seek_where(decoder) *
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2008-10-10 14:40:54 +02:00
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audio_format.sample_rate;
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2008-08-26 08:27:06 +02:00
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afSeekFrame(af_fp, AF_DEFAULT_TRACK, current);
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2008-08-26 08:27:07 +02:00
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decoder_command_finished(decoder);
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2008-08-26 08:27:06 +02:00
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}
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ret = afReadFrames(af_fp, AF_DEFAULT_TRACK, chunk,
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CHUNK_SIZE / fs);
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if (ret <= 0)
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break;
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current += ret;
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decoder_data(decoder, NULL, 1,
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chunk, ret * fs,
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2008-10-10 14:40:54 +02:00
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(float)current / (float)audio_format.sample_rate,
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2008-08-26 08:27:06 +02:00
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bitRate, NULL);
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2008-08-26 08:27:07 +02:00
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} while (decoder_get_command(decoder) != DECODE_COMMAND_STOP);
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2008-08-26 08:27:06 +02:00
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2004-02-24 00:41:20 +01:00
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afCloseFile(af_fp);
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2008-10-30 08:38:54 +01:00
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return true;
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2004-02-24 00:41:20 +01:00
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}
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2008-10-31 15:56:43 +01:00
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static struct tag *audiofileTagDup(const char *file)
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2006-07-20 18:02:40 +02:00
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{
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2008-08-29 09:38:11 +02:00
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struct tag *ret = NULL;
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2008-01-26 13:46:21 +01:00
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int total_time = getAudiofileTotalTime(file);
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2006-07-20 18:02:40 +02:00
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2008-01-26 13:46:21 +01:00
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if (total_time >= 0) {
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2006-07-20 18:02:40 +02:00
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if (!ret)
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2008-08-29 09:38:21 +02:00
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ret = tag_new();
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2008-01-26 13:46:21 +01:00
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ret->time = total_time;
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2006-07-20 18:02:40 +02:00
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} else {
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DEBUG
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("audiofileTagDup: Failed to get total song time from: %s\n",
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file);
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2005-09-08 23:08:02 +02:00
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}
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2004-05-31 04:31:55 +02:00
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return ret;
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}
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2008-02-05 11:17:33 +01:00
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static const char *audiofileSuffixes[] = { "wav", "au", "aiff", "aif", NULL };
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2004-05-31 04:31:55 +02:00
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2008-08-26 08:27:08 +02:00
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struct decoder_plugin audiofilePlugin = {
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2008-09-29 15:55:17 +02:00
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.name = "audiofile",
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.file_decode = audiofile_decode,
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.tag_dup = audiofileTagDup,
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.stream_types = INPUT_PLUGIN_STREAM_FILE,
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.suffixes = audiofileSuffixes,
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2004-05-31 04:31:55 +02:00
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};
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