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	6	2006-06-06 Erik de Castro Lopo <erikd AT mega-nerd DOT com>
2	7
3	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	63	static AUDIO_OUT *
64	64	linux_open (int channels, int samplerate)
65	65	{ LINUX_AUDIO_OUT *linux_out ;
66		− int stereo, temp, error ;
	66	+ int stereo, fmt, error ;
67	67
68	68	if ((linux_out = malloc (sizeof (LINUX_AUDIO_OUT))) == NULL)
69	69	{ perror ("linux_open : malloc ") ;
@@ -90,11 +90,11 @@ linux_open (int channels, int samplerate) · 20 unmodified lines
90	90	exit (1) ;
91	91	} ;
92	92
93		− temp = 16 ;
94		− if ((error = ioctl (linux_out->fd, SOUND_PCM_WRITE_BITS, &temp)) != 0)
95		− { perror ("linux_open : bitwidth ") ;
96		− exit (1) ;
97		− } ;
	93	+ fmt = CPU_IS_BIG_ENDIAN ? AFMT_S16_BE : AFMT_S16_LE ;
	94	+ if (ioctl (fd, SOUND_PCM_SETFMT, &fmt) != 0)
	95	+ { perror ("linux_open_dsp_device : set format ") ;
	96	+ exit (1) ;
	97	+ } ;
98	98
99	99	if ((error = ioctl (linux_out->fd, SOUND_PCM_WRITE_CHANNELS, &channels)) != 0)
100	100	{ perror ("linux_open : channels ") ;

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