comparison src/libsndfile-1.0.25/programs/sndfile-play-beos.cpp @ 0:c7265573341e

Import initial set of sources

+/*
+** Copyright (C) 2001 Marcus Overhagen <[e-mail]>
+**  
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU General Public License as published by
+** the Free Software Foundation; either version 2 of the License, or
+** (at your option) any later version.
+** 
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+** GNU General Public License for more details.
+** 
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software 
+** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include	<stdio.h>
+
+#include 	<Application.h>
+#include 	<SoundPlayer.h>
+#include 	<string.h>
+
+#include	<sndfile.h>
+
+#define	BUFFER_LEN		1024
+
+/*------------------------------------------------------------------------------
+**	BeOS functions for playing a sound.
+*/
+
+#if defined (__BEOS__)
+
+struct shared_data
+{
+	BSoundPlayer *player;
+	SNDFILE *sndfile;
+	SF_INFO sfinfo;	
+	sem_id finished;
+};
+
+static void 
+buffer_callback(void *theCookie, void *buf, size_t size, const media_raw_audio_format &format) 
+{
+	shared_data *data = (shared_data *)theCookie;
+	short *buffer = (short *)buf;
+	int count = size / sizeof(short);
+	int m, readcount;
+
+	if (!data->player->HasData())
+		return;
+
+	readcount = sf_read_short(data->sndfile, buffer, count);
+	if (readcount == 0) 
+	{	data->player->SetHasData(false);		
+		release_sem(data->finished);
+		}
+	if (readcount < count) 
+	{	for (m = readcount ; m < count ; m++)
+			buffer [m] = 0 ;
+		}
+	if (data->sfinfo.pcmbitwidth < 16) 
+	{	for (m = 0 ; m < count ; m++)
+			buffer [m] *= 256 ;
+		}
+}
+
+static void
+beos_play (int argc, char *argv [])
+{
+	shared_data data;
+	status_t status;
+	int	k;
+
+	/* BSoundPlayer requires a BApplication object */
+	BApplication app("application/x-vnd.MarcusOverhagen-sfplay");
+
+	for (k = 1 ; k < argc ; k++)
+	{	printf ("Playing %s\n", argv [k]) ;	
+		if (! (data.sndfile = sf_open_read (argv [k], &data.sfinfo)))
+		{	sf_perror (NULL) ;
+			continue ;
+			} ;
+			
+		if (data.sfinfo.channels < 1 || data.sfinfo.channels > 2)
+		{	printf ("Error : channels = %d.\n", data.sfinfo.channels) ;
+			sf_close (data.sndfile) ;
+			continue ;
+			} ;		
+
+		data.finished = create_sem(0,"finished");			
+
+		media_raw_audio_format format = 
+		{ 	data.sfinfo.samplerate,
+			data.sfinfo.channels,
+			media_raw_audio_format::B_AUDIO_SHORT,
+			B_HOST_IS_LENDIAN ? B_MEDIA_LITTLE_ENDIAN : B_MEDIA_BIG_ENDIAN,
+			BUFFER_LEN * sizeof(short)
+			};
+
+		BSoundPlayer player(&format,"player",buffer_callback,NULL,&data);
+		data.player = &player;
+		
+		if ((status = player.InitCheck()) != B_OK) 
+		{
+			printf ("Error : BSoundPlayer init failed, %s.\n", strerror(status)) ;
+			delete_sem(data.finished);
+			sf_close (data.sndfile) ;
+			continue ;
+			}
+
+		player.SetVolume(1.0);
+		player.Start();
+		player.SetHasData(true);
+		acquire_sem(data.finished);
+		player.Stop();
+		delete_sem(data.finished);
+		
+		sf_close (data.sndfile) ;
+
+		} ;
+
+} /* beos_play */
+
+#endif
+
+/*==============================================================================
+**	Main function.
+*/
+
+int 
+main (int argc, char *argv [])
+{
+	if (argc < 2)
+	{	printf ("Usage : %s <input sound file>\n\n", argv [0]) ;
+		return 1 ;
+		} ;
+	
+	beos_play (argc, argv) ;
+
+	return 0 ;
+} /* main */
+