audio_out.c : Be more explicit about setting the audio output format.

Erik de Castro Lopo committed 20 years ago

Commit 8a650e61 parent 6bda4b02 files · +11 −6Browse files

Unified · Split

2 files

@@ -1,3 +1,8 @@
		1	2006-07-12 Erik de Castro Lopo <erikd AT mega-nerd DOT com>
		2
		3	* examples/audio_out.c
		4	Be more explicit about setting the audio output format.
		5
1	2006-06-06 Erik de Castro Lopo <erikd AT mega-nerd DOT com>	6	2006-06-06 Erik de Castro Lopo <erikd AT mega-nerd DOT com>
2		7
3	* src/samplerate.c src/src_linear.c src/src_sinc.c	8	* src/samplerate.c src/src_linear.c src/src_sinc.c

@@ -63,7 +63,7 @@ static void linux_close (AUDIO_OUT *audio_out) ; · 62 unmodified lines
63	static AUDIO_OUT *	63	static AUDIO_OUT *
64	linux_open (int channels, int samplerate)	64	linux_open (int channels, int samplerate)
65	{ LINUX_AUDIO_OUT *linux_out ;	65	{ LINUX_AUDIO_OUT *linux_out ;
66	int stereo, temp, error ;	66	int stereo, fmt, error ;
67		67
68	if ((linux_out = malloc (sizeof (LINUX_AUDIO_OUT))) == NULL)	68	if ((linux_out = malloc (sizeof (LINUX_AUDIO_OUT))) == NULL)
69	{ perror ("linux_open : malloc ") ;	69	{ perror ("linux_open : malloc ") ;
@@ -90,11 +90,11 @@ linux_open (int channels, int samplerate) · 20 unmodified lines
90	exit (1) ;	90	exit (1) ;
91	} ;	91	} ;
92		92
93	temp = 16 ;	93	fmt = CPU_IS_BIG_ENDIAN ? AFMT_S16_BE : AFMT_S16_LE ;
94	if ((error = ioctl (linux_out->fd, SOUND_PCM_WRITE_BITS, &temp)) != 0)	94	if (ioctl (fd, SOUND_PCM_SETFMT, &fmt) != 0)
95	{ perror ("linux_open : bitwidth ") ;	95	{ perror ("linux_open_dsp_device : set format ") ;
96	exit (1) ;	96	exit (1) ;
97	} ;	97	} ;
98		98
99	if ((error = ioctl (linux_out->fd, SOUND_PCM_WRITE_CHANNELS, &channels)) != 0)	99	if ((error = ioctl (linux_out->fd, SOUND_PCM_WRITE_CHANNELS, &channels)) != 0)
100	{ perror ("linux_open : channels ") ;	100	{ perror ("linux_open : channels ") ;

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