mirror of
https://github.com/cookiengineer/audacity
synced 2025-11-03 23:53:55 +01:00
145 lines
3.4 KiB
C++
145 lines
3.4 KiB
C++
/*
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** Copyright (C) 2001 Marcus Overhagen <marcus@overhagen.de>
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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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**
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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 <stdio.h>
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#include <Application.h>
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#include <SoundPlayer.h>
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#include <string.h>
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#include <sndfile.h>
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#define BUFFER_LEN 1024
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/*------------------------------------------------------------------------------
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** BeOS functions for playing a sound.
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*/
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#if defined (__BEOS__)
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struct shared_data
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{
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BSoundPlayer *player;
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SNDFILE *sndfile;
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SF_INFO sfinfo;
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sem_id finished;
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};
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static void
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buffer_callback(void *theCookie, void *buf, size_t size, const media_raw_audio_format &format)
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{
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shared_data *data = (shared_data *)theCookie;
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short *buffer = (short *)buf;
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int count = size / sizeof(short);
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int m, readcount;
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if (!data->player->HasData())
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return;
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readcount = sf_read_short(data->sndfile, buffer, count);
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if (readcount == 0)
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{ data->player->SetHasData(false);
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release_sem(data->finished);
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}
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if (readcount < count)
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{ for (m = readcount ; m < count ; m++)
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buffer [m] = 0 ;
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}
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if (data->sfinfo.pcmbitwidth < 16)
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{ for (m = 0 ; m < count ; m++)
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buffer [m] *= 256 ;
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}
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}
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static void
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beos_play (int argc, char *argv [])
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{
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shared_data data;
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status_t status;
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int k;
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/* BSoundPlayer requires a BApplication object */
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BApplication app("application/x-vnd.MarcusOverhagen-sfplay");
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for (k = 1 ; k < argc ; k++)
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{ printf ("Playing %s\n", argv [k]) ;
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if (! (data.sndfile = sf_open_read (argv [k], &data.sfinfo)))
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{ sf_perror (NULL) ;
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continue ;
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} ;
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if (data.sfinfo.channels < 1 || data.sfinfo.channels > 2)
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{ printf ("Error : channels = %d.\n", data.sfinfo.channels) ;
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sf_close (data.sndfile) ;
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continue ;
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} ;
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data.finished = create_sem(0,"finished");
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media_raw_audio_format format =
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{ data.sfinfo.samplerate,
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data.sfinfo.channels,
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media_raw_audio_format::B_AUDIO_SHORT,
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B_HOST_IS_LENDIAN ? B_MEDIA_LITTLE_ENDIAN : B_MEDIA_BIG_ENDIAN,
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BUFFER_LEN * sizeof(short)
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};
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BSoundPlayer player(&format,"player",buffer_callback,NULL,&data);
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data.player = &player;
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if ((status = player.InitCheck()) != B_OK)
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{
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printf ("Error : BSoundPlayer init failed, %s.\n", strerror(status)) ;
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delete_sem(data.finished);
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sf_close (data.sndfile) ;
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continue ;
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}
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player.SetVolume(1.0);
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player.Start();
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player.SetHasData(true);
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acquire_sem(data.finished);
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player.Stop();
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delete_sem(data.finished);
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sf_close (data.sndfile) ;
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} ;
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} /* beos_play */
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#endif
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/*==============================================================================
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** Main function.
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*/
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int
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main (int argc, char *argv [])
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{
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if (argc < 2)
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{ printf ("Usage : %s <input sound file>\n\n", argv [0]) ;
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return 1 ;
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} ;
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beos_play (argc, argv) ;
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return 0 ;
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} /* main */
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