Lines Matching +full:pcm +full:- +full:interface +full:- +full:rate

2  * audio.c - audio interface for reference clock audio drivers
51  * 4.4BSD-Lite switched to an unsigned long ioctl arg.  Detect common
102 	    ? -1
124  * util/audio-pcm program.
165 		     i > 0 && isascii((unsigned char)line[i - 1]) && isspace((unsigned char)line[i - 1]);
167 			line[--i] = '\0';
206 			printf("monitor <%s> %d\n", ab, mixer_name(ab, -1));
215  * audio_init - open and initialize audio device
217  * This code works with SunOS 4.x, Solaris 2.x, and PCM; however, it is
221  * codec sample rate (8000 Hz), precision (8 bits), number of channels
222  * (1) and encoding (ITU-T G.711 mu-law companded) have been set by
229 	int	unit		/* device unit (0-3) */
291 	if (ioctl(fd, AIOGSIZE, &s_size) == -1)
301 	if (ioctl(fd, AIOSSIZE, &s_size) == -1)
311 		if (ioctl(fd, SNDCTL_DSP_SETFRAGMENT, &tmp) == -1)
318 	if (ioctl(fd, AIOGFMT, &s_c_p) == -1)
327 	if (ioctl(ctl_fd, SOUND_MIXER_READ_DEVMASK, &devmask) == -1)
329 	if (ioctl(ctl_fd, SOUND_MIXER_READ_RECMASK, &recmask) == -1)
378  * audio_gain - adjust codec gains and port
382 	int gain,		/* volume level (gain) 0-255 */
383 	int mongain,		/* input to output mix (monitor gain) 0-255 */
388 	static int o_mongain = -1;
389 	static int o_port = -1;
398 	r = l = 100 * gain / 255;	/* Normalize to 0-100 */
416 	if (-1 == rval) {
422 		r = l = 100 * mongain / 255;    /* Normalize to 0-100 */
433 		if (-1 == rval) {
448 		if (rval == -1) {
455 			if (ioctl(ctl_fd, SOUND_MIXER_READ_RECSRC, &l) == -1)
485  * audio_show - display audio parameters
497 	if (ioctl(ctl_fd, SOUND_MIXER_READ_RECSRC, &recsrc) == -1)
508 	    "audio: rate %d, chan %d, prec %d, code %d, gain %d, mon %d, port %d\n",