2009-03-13 18:43:16 +01:00
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/*
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2014-01-13 22:30:36 +01:00
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* Copyright (C) 2003-2014 The Music Player Daemon Project
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2009-03-13 18:43:16 +01:00
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* http://www.musicpd.org
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*
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2004-02-24 00:41:20 +01:00
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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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2009-03-13 18:43:16 +01:00
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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2004-02-24 00:41:20 +01:00
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*/
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2009-11-12 09:12:38 +01:00
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#include "config.h"
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2013-07-28 12:37:55 +02:00
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#include "AudiofileDecoderPlugin.hxx"
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2014-01-24 00:02:24 +01:00
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#include "../DecoderAPI.hxx"
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2014-01-24 16:18:21 +01:00
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#include "input/InputStream.hxx"
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2013-07-29 07:50:08 +02:00
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#include "CheckAudioFormat.hxx"
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2013-09-05 18:22:02 +02:00
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#include "tag/TagHandler.hxx"
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2014-02-07 18:52:19 +01:00
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#include "fs/Path.hxx"
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2013-08-10 18:02:44 +02:00
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#include "util/Error.hxx"
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2013-09-27 22:31:24 +02:00
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#include "util/Domain.hxx"
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#include "Log.hxx"
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2004-02-24 00:41:20 +01:00
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#include <audiofile.h>
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2008-12-03 20:26:08 +01:00
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#include <af_vfs.h>
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2008-11-21 20:13:36 +01:00
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2013-09-27 22:31:24 +02:00
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#include <assert.h>
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2014-07-08 15:46:15 +02:00
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#include <stdio.h>
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2004-02-24 00:41:20 +01:00
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2013-09-27 22:31:24 +02:00
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static constexpr Domain audiofile_domain("audiofile");
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2014-07-10 09:32:33 +02:00
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static void
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audiofile_error_func(long, const char *msg)
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{
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LogWarning(audiofile_domain, msg);
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}
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static bool
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audiofile_init(const config_param &)
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{
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afSetErrorHandler(audiofile_error_func);
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return true;
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}
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2014-07-09 18:46:58 +02:00
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struct AudioFileInputStream {
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Decoder *const decoder;
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InputStream &is;
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size_t Read(void *buffer, size_t size) {
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2014-07-09 19:05:20 +02:00
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/* libaudiofile does not like partial reads at all,
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2014-07-11 21:18:37 +02:00
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and will abort playback; therefore always force full
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2014-07-09 19:05:20 +02:00
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reads */
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return decoder_read_full(decoder, is, buffer, size)
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? size
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: 0;
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2014-07-09 18:46:58 +02:00
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}
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};
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2014-07-10 08:31:41 +02:00
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gcc_pure
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static double
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audiofile_get_duration(AFfilehandle fh)
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{
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double frame_count = afGetFrameCount(fh, AF_DEFAULT_TRACK);
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double rate = afGetRate(fh, AF_DEFAULT_TRACK);
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return frame_count / rate;
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}
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2008-12-03 20:26:08 +01:00
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static ssize_t
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2009-11-14 23:53:04 +01:00
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audiofile_file_read(AFvirtualfile *vfile, void *data, size_t length)
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2008-12-03 20:26:08 +01:00
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{
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2014-07-09 18:46:58 +02:00
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AudioFileInputStream &afis = *(AudioFileInputStream *)vfile->closure;
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2009-11-14 23:53:04 +01:00
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2014-07-09 18:46:58 +02:00
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return afis.Read(data, length);
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2008-12-03 20:26:08 +01:00
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}
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2012-02-15 20:52:48 +01:00
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static AFfileoffset
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2008-12-03 20:26:08 +01:00
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audiofile_file_length(AFvirtualfile *vfile)
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{
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2014-07-09 18:46:58 +02:00
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AudioFileInputStream &afis = *(AudioFileInputStream *)vfile->closure;
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InputStream &is = afis.is;
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2013-10-23 22:08:59 +02:00
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return is.GetSize();
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2008-12-03 20:26:08 +01:00
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}
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2012-02-15 20:52:48 +01:00
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static AFfileoffset
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2008-12-03 20:26:08 +01:00
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audiofile_file_tell(AFvirtualfile *vfile)
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{
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2014-07-09 18:46:58 +02:00
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AudioFileInputStream &afis = *(AudioFileInputStream *)vfile->closure;
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InputStream &is = afis.is;
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2013-10-23 22:08:59 +02:00
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return is.GetOffset();
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2008-12-03 20:26:08 +01:00
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}
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static void
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audiofile_file_destroy(AFvirtualfile *vfile)
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{
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2013-07-28 12:37:55 +02:00
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assert(vfile->closure != nullptr);
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2008-12-27 14:34:51 +01:00
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2013-07-28 12:37:55 +02:00
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vfile->closure = nullptr;
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2008-12-03 20:26:08 +01:00
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}
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2012-02-15 20:52:48 +01:00
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static AFfileoffset
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2014-05-22 10:10:16 +02:00
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audiofile_file_seek(AFvirtualfile *vfile, AFfileoffset _offset,
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int is_relative)
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2008-12-03 20:26:08 +01:00
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{
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2014-07-09 18:46:58 +02:00
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AudioFileInputStream &afis = *(AudioFileInputStream *)vfile->closure;
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InputStream &is = afis.is;
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2014-05-22 10:10:16 +02:00
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2014-08-19 22:29:52 +02:00
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offset_type offset = _offset;
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2014-05-22 10:10:16 +02:00
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if (is_relative)
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offset += is.GetOffset();
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2013-08-10 18:02:44 +02:00
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Error error;
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2014-07-11 21:33:50 +02:00
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if (is.LockSeek(offset, error)) {
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2013-10-23 22:08:59 +02:00
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return is.GetOffset();
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2008-12-03 20:26:08 +01:00
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} else {
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2014-07-11 21:33:50 +02:00
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LogError(error, "Seek failed");
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2008-12-03 20:26:08 +01:00
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return -1;
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}
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}
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static AFvirtualfile *
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2014-07-09 18:46:58 +02:00
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setup_virtual_fops(AudioFileInputStream &afis)
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2008-12-03 20:26:08 +01:00
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{
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2013-07-28 12:37:55 +02:00
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AFvirtualfile *vf = new AFvirtualfile();
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2014-07-09 18:46:58 +02:00
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vf->closure = &afis;
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2013-07-28 12:37:55 +02:00
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vf->write = nullptr;
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2008-12-03 20:26:08 +01:00
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vf->read = audiofile_file_read;
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vf->length = audiofile_file_length;
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vf->destroy = audiofile_file_destroy;
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vf->seek = audiofile_file_seek;
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vf->tell = audiofile_file_tell;
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return vf;
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}
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2013-08-03 21:00:50 +02:00
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static SampleFormat
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2009-11-10 17:11:34 +01:00
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audiofile_bits_to_sample_format(int bits)
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{
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switch (bits) {
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case 8:
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2013-08-03 21:00:50 +02:00
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return SampleFormat::S8;
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2009-11-10 17:11:34 +01:00
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case 16:
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2013-08-03 21:00:50 +02:00
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return SampleFormat::S16;
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2009-11-10 17:11:34 +01:00
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case 24:
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2013-08-03 21:00:50 +02:00
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return SampleFormat::S24_P32;
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2009-11-10 17:11:34 +01:00
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case 32:
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2013-08-03 21:00:50 +02:00
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return SampleFormat::S32;
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2009-11-10 17:11:34 +01:00
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}
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2013-08-03 21:00:50 +02:00
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return SampleFormat::UNDEFINED;
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2009-11-10 17:11:34 +01:00
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}
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2013-08-03 21:00:50 +02:00
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static SampleFormat
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2009-11-14 23:22:14 +01:00
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audiofile_setup_sample_format(AFfilehandle af_fp)
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{
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int fs, bits;
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afGetSampleFormat(af_fp, AF_DEFAULT_TRACK, &fs, &bits);
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2009-11-10 17:11:34 +01:00
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if (!audio_valid_sample_format(audiofile_bits_to_sample_format(bits))) {
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2013-09-27 22:31:24 +02:00
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FormatDebug(audiofile_domain,
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"input file has %d bit samples, converting to 16",
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bits);
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2009-11-14 23:22:14 +01:00
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bits = 16;
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}
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afSetVirtualSampleFormat(af_fp, AF_DEFAULT_TRACK,
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AF_SAMPFMT_TWOSCOMP, bits);
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afGetVirtualSampleFormat(af_fp, AF_DEFAULT_TRACK, &fs, &bits);
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2009-11-10 17:11:34 +01:00
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return audiofile_bits_to_sample_format(bits);
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2009-11-14 23:22:14 +01:00
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}
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2008-11-11 17:13:44 +01:00
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static void
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2013-10-23 22:08:59 +02:00
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audiofile_stream_decode(Decoder &decoder, InputStream &is)
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2006-07-20 18:02:40 +02:00
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{
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2014-08-19 11:57:55 +02:00
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if (!is.IsSeekable() || !is.KnownSize()) {
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2013-09-27 22:31:24 +02:00
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LogWarning(audiofile_domain, "not seekable");
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2009-02-28 19:24:40 +01:00
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return;
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}
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2014-07-09 18:46:58 +02:00
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AudioFileInputStream afis{&decoder, is};
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2014-07-10 09:26:12 +02:00
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AFvirtualfile *const vf = setup_virtual_fops(afis);
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2004-03-24 03:23:40 +01:00
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2014-07-10 09:26:12 +02:00
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const AFfilehandle fh = afOpenVirtualFile(vf, "r", nullptr);
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2014-07-10 09:32:33 +02:00
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if (fh == AF_NULL_FILEHANDLE)
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2008-11-11 17:13:44 +01:00
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return;
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2004-02-24 00:41:20 +01:00
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2013-08-10 18:02:44 +02:00
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Error error;
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2014-07-10 09:26:12 +02:00
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AudioFormat audio_format;
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2013-08-03 21:00:50 +02:00
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if (!audio_format_init_checked(audio_format,
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2014-07-10 09:26:12 +02:00
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afGetRate(fh, AF_DEFAULT_TRACK),
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audiofile_setup_sample_format(fh),
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afGetVirtualChannels(fh, AF_DEFAULT_TRACK),
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2013-08-10 18:02:44 +02:00
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error)) {
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2013-09-27 22:31:24 +02:00
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LogError(error);
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2014-07-10 09:26:12 +02:00
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afCloseFile(fh);
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2008-11-21 20:27:30 +01:00
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return;
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}
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2014-07-10 09:26:12 +02:00
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const double total_time = audiofile_get_duration(fh);
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2006-07-20 18:02:40 +02:00
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2014-07-10 09:26:12 +02:00
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const uint16_t kbit_rate = (uint16_t)
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(is.GetSize() * 8.0 / total_time / 1000.0 + 0.5);
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2006-07-20 18:02:40 +02:00
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2014-07-10 09:26:12 +02:00
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const unsigned frame_size = (unsigned)
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afGetVirtualFrameSize(fh, AF_DEFAULT_TRACK, true);
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2004-02-24 00:41:20 +01:00
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2013-08-03 21:00:50 +02:00
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decoder_initialized(decoder, audio_format, true, total_time);
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2008-08-26 08:27:05 +02:00
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2013-09-27 12:11:37 +02:00
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DecoderCommand cmd;
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2008-08-26 08:27:06 +02:00
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do {
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2014-07-10 09:26:12 +02:00
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/* pick 1020 since its divisible for 8,16,24, and
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32-bit audio */
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char chunk[1020];
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const int nframes =
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afReadFrames(fh, AF_DEFAULT_TRACK, chunk,
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sizeof(chunk) / frame_size);
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if (nframes <= 0)
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2008-08-26 08:27:06 +02:00
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break;
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2013-07-28 12:37:55 +02:00
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cmd = decoder_data(decoder, nullptr,
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2014-07-10 09:26:12 +02:00
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chunk, nframes * frame_size,
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kbit_rate);
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2009-02-28 19:28:38 +01:00
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2013-09-27 12:11:37 +02:00
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if (cmd == DecoderCommand::SEEK) {
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2014-08-26 11:29:22 +02:00
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AFframecount frame = decoder_seek_where_frame(decoder);
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2014-07-10 09:26:12 +02:00
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afSeekFrame(fh, AF_DEFAULT_TRACK, frame);
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2009-02-28 19:28:38 +01:00
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decoder_command_finished(decoder);
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2013-09-27 12:11:37 +02:00
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cmd = DecoderCommand::NONE;
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2009-02-28 19:28:38 +01:00
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}
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2013-09-27 12:11:37 +02:00
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} while (cmd == DecoderCommand::NONE);
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2008-08-26 08:27:06 +02:00
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2014-07-10 09:26:12 +02:00
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afCloseFile(fh);
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2004-02-24 00:41:20 +01:00
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}
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2014-07-10 09:23:56 +02:00
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gcc_pure
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static int
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audiofile_get_duration(InputStream &is)
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2006-07-20 18:02:40 +02:00
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{
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2014-08-19 11:57:55 +02:00
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if (!is.IsSeekable() || !is.KnownSize())
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2014-07-10 09:23:56 +02:00
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return -1;
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AudioFileInputStream afis{nullptr, is};
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AFvirtualfile *vf = setup_virtual_fops(afis);
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AFfilehandle fh = afOpenVirtualFile(vf, "r", nullptr);
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if (fh == AF_NULL_FILEHANDLE)
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return -1;
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2006-07-20 18:02:40 +02:00
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2014-07-10 09:23:56 +02:00
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int duration = int(audiofile_get_duration(fh));
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afCloseFile(fh);
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return duration;
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}
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static bool
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audiofile_scan_stream(InputStream &is,
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const struct tag_handler *handler, void *handler_ctx)
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{
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int total_time = audiofile_get_duration(is);
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if (total_time < 0)
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2012-02-11 19:12:02 +01:00
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return false;
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2004-05-31 04:31:55 +02:00
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2012-02-11 19:12:02 +01:00
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tag_handler_invoke_duration(handler, handler_ctx, total_time);
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return true;
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2004-05-31 04:31:55 +02:00
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}
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2008-12-03 20:26:08 +01:00
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static const char *const audiofile_suffixes[] = {
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2013-07-28 12:37:55 +02:00
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"wav", "au", "aiff", "aif", nullptr
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2008-11-01 14:55:23 +01:00
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};
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2004-05-31 04:31:55 +02:00
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2008-12-03 20:26:08 +01:00
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static const char *const audiofile_mime_types[] = {
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"audio/x-wav",
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"audio/x-aiff",
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2013-07-28 12:37:55 +02:00
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nullptr
|
2008-12-03 20:26:08 +01:00
|
|
|
};
|
|
|
|
|
2013-10-21 20:31:34 +02:00
|
|
|
const struct DecoderPlugin audiofile_decoder_plugin = {
|
2013-07-28 12:37:55 +02:00
|
|
|
"audiofile",
|
2014-07-10 09:32:33 +02:00
|
|
|
audiofile_init,
|
2013-07-28 12:37:55 +02:00
|
|
|
nullptr,
|
|
|
|
audiofile_stream_decode,
|
|
|
|
nullptr,
|
|
|
|
nullptr,
|
2014-07-10 09:23:56 +02:00
|
|
|
audiofile_scan_stream,
|
2013-07-28 12:37:55 +02:00
|
|
|
nullptr,
|
|
|
|
audiofile_suffixes,
|
|
|
|
audiofile_mime_types,
|
2004-05-31 04:31:55 +02:00
|
|
|
};
|