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Ticket #366: sndfile-play-beos.cpp

File sndfile-play-beos.cpp, 3.4 KB (added by michaelvoliveira, 5 years ago)
updated example.. actually it play sound!

Line
1	/*
2	** Copyright (C) 2001 Marcus Overhagen <marcus@overhagen.de>
3	**
4	** This program is free software; you can redistribute it and/or modify
5	** it under the terms of the GNU General Public License as published by
6	** the Free Software Foundation; either version 2 of the License, or
7	** (at your option) any later version.
8	**
9	** This program is distributed in the hope that it will be useful,
10	** but WITHOUT ANY WARRANTY; without even the implied warranty of
11	** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12	** GNU General Public License for more details.
13	**
14	** You should have received a copy of the GNU General Public License
15	** along with this program; if not, write to the Free Software
16	** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17	*/
18
19	#include <stdio.h>
20
21	#include <Application.h>
22	#include <SoundPlayer.h>
23	#include <string.h>
24
25	#include <sndfile.h>
26
27	#define BUFFER_LEN 1024
28
29	/*------------------------------------------------------------------------------
30	** BeOS functions for playing a sound.
31	*/
32
33	#if defined(__BEOS__) \|\| defined(__HAIKU__)
34
35	struct shared_data
36	{
37	BSoundPlayer *player;
38	SNDFILE *sndfile;
39	SF_INFO sfinfo;
40	sem_id finished;
41	};
42
43	static void
44	buffer_callback(void theCookie, void buf, size_t size, const media_raw_audio_format &format)
45	{
46	shared_data data = (shared_data )theCookie;
47	short buffer = (short )buf;
48	int count = size / sizeof(short);
49	int m, readcount;
50
51	if (!data->player->HasData())
52	return;
53
54	readcount = sf_read_short(data->sndfile, buffer, count);
55	if (readcount == 0)
56	{ data->player->SetHasData(false);
57	release_sem(data->finished);
58	}
59	if (readcount < count)
60	{ for (m = readcount ; m < count ; m++)
61	buffer [m] = 0 ;
62	}
63	if (readcount > count)
64	{ for (m = 0 ; m < count ; m++)
65	buffer [m] *= 256 ;
66	}
67	}
68
69	static void
70	beos_play (int argc, char *argv [])
71	{
72	shared_data data;
73	status_t status;
74	int k;
75
76	/* BSoundPlayer requires a BApplication object */
77	BApplication app("application/x-vnd.MarcusOverhagen-sfplay");
78
79	for (k = 1 ; k < argc ; k++)
80	{ printf ("Playing %s\n", argv [k]) ;
81	if (! (data.sndfile = sf_open (argv [k], SFM_READ, &data.sfinfo)))
82	{ sf_perror (NULL) ;
83	continue ;
84	} ;
85
86	if (data.sfinfo.channels < 1 \|\| data.sfinfo.channels > 2)
87	{ printf ("Error : channels = %d.\n", data.sfinfo.channels) ;
88	sf_close (data.sndfile) ;
89	continue ;
90	} ;
91
92	data.finished = create_sem(0,"finished");
93
94	media_raw_audio_format format =
95	{ data.sfinfo.samplerate,
96	data.sfinfo.channels,
97	media_raw_audio_format::B_AUDIO_SHORT,
98	B_HOST_IS_LENDIAN ? B_MEDIA_LITTLE_ENDIAN : B_MEDIA_BIG_ENDIAN,
99	BUFFER_LEN * sizeof(short)
100	};
101
102	BSoundPlayer player(&format,"player",buffer_callback,NULL,&data);
103	data.player = &player;
104
105	if ((status = player.InitCheck()) != B_OK)
106	{
107	printf ("Error : BSoundPlayer init failed, %s.\n", strerror(status)) ;
108	delete_sem(data.finished);
109	sf_close (data.sndfile) ;
110	continue ;
111	}
112
113	player.SetVolume(1.0);
114	player.Start();
115	player.SetHasData(true);
116	acquire_sem(data.finished);
117	player.Stop();
118	delete_sem(data.finished);
119
120	sf_close (data.sndfile) ;
121
122	} ;
123
124	} /* beos_play */
125
126	#endif
127
128	/*==============================================================================
129	** Main function.
130	*/
131
132	int
133	main (int argc, char *argv [])
134	{
135	if (argc < 2)
136	{ printf ("Usage : %s <input sound file>\n\n", argv [0]) ;
137	return 1 ;
138	} ;
139
140	beos_play (argc, argv) ;
141
142	return 0 ;
143	} /* main */
144

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