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author | marha <marha@users.sourceforge.net> | 2010-06-11 14:16:16 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2010-06-11 14:16:16 +0000 |
commit | d1e4f4b8546c7955c66dd023bfd6ef437db9d21d (patch) | |
tree | 529985e77bfc95aa95fe5b540e8f42b0ef041206 /xorg-server/hw/xfree86/os-support/solaris/sun_bell.c | |
parent | 13919cf85a6ca41d97238de13344aba59e0f7680 (diff) | |
parent | 4c61bf84b11e26e6f22648668c95ea760a379163 (diff) | |
download | vcxsrv-d1e4f4b8546c7955c66dd023bfd6ef437db9d21d.tar.gz vcxsrv-d1e4f4b8546c7955c66dd023bfd6ef437db9d21d.tar.bz2 vcxsrv-d1e4f4b8546c7955c66dd023bfd6ef437db9d21d.zip |
svn merge ^/branches/released .
Diffstat (limited to 'xorg-server/hw/xfree86/os-support/solaris/sun_bell.c')
-rw-r--r-- | xorg-server/hw/xfree86/os-support/solaris/sun_bell.c | 360 |
1 files changed, 180 insertions, 180 deletions
diff --git a/xorg-server/hw/xfree86/os-support/solaris/sun_bell.c b/xorg-server/hw/xfree86/os-support/solaris/sun_bell.c index 05d17492a..e064c9733 100644 --- a/xorg-server/hw/xfree86/os-support/solaris/sun_bell.c +++ b/xorg-server/hw/xfree86/os-support/solaris/sun_bell.c @@ -1,180 +1,180 @@ -/* Copyright 2004-2005 Sun Microsystems, Inc. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include <sys/audio.h> -#include <sys/uio.h> -#include <limits.h> -#include <math.h> -#include <poll.h> - -#include "xf86.h" -#include "xf86Priv.h" -#include "xf86_OSlib.h" - -#define BELL_RATE 48000 /* Samples per second */ -#define BELL_HZ 50 /* Fraction of a second i.e. 1/x */ -#define BELL_MS (1000/BELL_HZ) /* MS */ -#define BELL_SAMPLES (BELL_RATE / BELL_HZ) -#define BELL_MIN 3 /* Min # of repeats */ - -#define AUDIO_DEVICE "/dev/audio" - -void -xf86OSRingBell(int loudness, int pitch, int duration) -{ - static short samples[BELL_SAMPLES]; - static short silence[BELL_SAMPLES]; /* "The Sound of Silence" */ - static int lastFreq; - int cnt; - int i; - int written; - int repeats; - int freq; - audio_info_t audioInfo; - struct iovec iov[IOV_MAX]; - int iovcnt; - double ampl, cyclen, phase; - int audioFD; - - if ((loudness <= 0) || (pitch <= 0) || (duration <= 0)) { - return; - } - - lastFreq = 0; - bzero(silence, sizeof(silence)); - - audioFD = open(AUDIO_DEVICE, O_WRONLY | O_NONBLOCK); - if (audioFD == -1) { - xf86Msg(X_ERROR, "Bell: cannot open audio device \"%s\": %s\n", - AUDIO_DEVICE, strerror(errno)); - return; - } - - freq = pitch; - freq = min(freq, (BELL_RATE / 2) - 1); - freq = max(freq, 2 * BELL_HZ); - - /* - * Ensure full waves per buffer - */ - freq -= freq % BELL_HZ; - - if (freq != lastFreq) { - lastFreq = freq; - ampl = 16384.0; - - cyclen = (double) freq / (double) BELL_RATE; - phase = 0.0; - - for (i = 0; i < BELL_SAMPLES; i++) { - samples[i] = (short) (ampl * sin(2.0 * M_PI * phase)); - phase += cyclen; - if (phase >= 1.0) - phase -= 1.0; - } - } - - repeats = (duration + (BELL_MS / 2)) / BELL_MS; - repeats = max(repeats, BELL_MIN); - - loudness = max(0, loudness); - loudness = min(loudness, 100); - -#ifdef DEBUG - ErrorF("BELL : freq %d volume %d duration %d repeats %d\n", - freq, loudness, duration, repeats); -#endif - - AUDIO_INITINFO(&audioInfo); - audioInfo.play.encoding = AUDIO_ENCODING_LINEAR; - audioInfo.play.sample_rate = BELL_RATE; - audioInfo.play.channels = 2; - audioInfo.play.precision = 16; - audioInfo.play.gain = min(AUDIO_MAX_GAIN, AUDIO_MAX_GAIN * loudness / 100); - - if (ioctl(audioFD, AUDIO_SETINFO, &audioInfo) < 0){ - xf86Msg(X_ERROR, - "Bell: AUDIO_SETINFO failed on audio device \"%s\": %s\n", - AUDIO_DEVICE, strerror(errno)); - close(audioFD); - return; - } - - iovcnt = 0; - - for (cnt = 0; cnt <= repeats; cnt++) { - if (cnt == repeats) { - /* Insert a bit of silence so that multiple beeps are distinct and - * not compressed into a single tone. - */ - iov[iovcnt].iov_base = (char *) silence; - iov[iovcnt++].iov_len = sizeof(silence); - } else { - iov[iovcnt].iov_base = (char *) samples; - iov[iovcnt++].iov_len = sizeof(samples); - } - if ((iovcnt >= IOV_MAX) || (cnt == repeats)) { - written = writev(audioFD, iov, iovcnt); - - if ((written < ((int)(sizeof(samples) * iovcnt)))) { - /* audio buffer was full! */ - - int naptime; - - if (written == -1) { - if (errno != EAGAIN) { - xf86Msg(X_ERROR, - "Bell: writev failed on audio device \"%s\": %s\n", - AUDIO_DEVICE, strerror(errno)); - close(audioFD); - return; - } - i = iovcnt; - } else { - i = ((sizeof(samples) * iovcnt) - written) - / sizeof(samples); - } - cnt -= i; - - /* sleep a little to allow audio buffer to drain */ - naptime = BELL_MS * i; - poll(NULL, 0, naptime); - - i = ((sizeof(samples) * iovcnt) - written) % sizeof(samples); - iovcnt = 0; - if ((written != -1) && (i > 0)) { - iov[iovcnt].iov_base = ((char *) samples) + i; - iov[iovcnt++].iov_len = sizeof(samples) - i; - } - } else { - iovcnt = 0; - } - } - } - - close(audioFD); - return; -} +/* Copyright 2004-2005 Sun Microsystems, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <sys/audio.h>
+#include <sys/uio.h>
+#include <limits.h>
+#include <math.h>
+#include <poll.h>
+
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86_OSlib.h"
+
+#define BELL_RATE 48000 /* Samples per second */
+#define BELL_HZ 50 /* Fraction of a second i.e. 1/x */
+#define BELL_MS (1000/BELL_HZ) /* MS */
+#define BELL_SAMPLES (BELL_RATE / BELL_HZ)
+#define BELL_MIN 3 /* Min # of repeats */
+
+#define AUDIO_DEVICE "/dev/audio"
+
+void
+xf86OSRingBell(int loudness, int pitch, int duration)
+{
+ static short samples[BELL_SAMPLES];
+ static short silence[BELL_SAMPLES]; /* "The Sound of Silence" */
+ static int lastFreq;
+ int cnt;
+ int i;
+ int written;
+ int repeats;
+ int freq;
+ audio_info_t audioInfo;
+ struct iovec iov[IOV_MAX];
+ int iovcnt;
+ double ampl, cyclen, phase;
+ int audioFD;
+
+ if ((loudness <= 0) || (pitch <= 0) || (duration <= 0)) {
+ return;
+ }
+
+ lastFreq = 0;
+ memset(silence, 0, sizeof(silence));
+
+ audioFD = open(AUDIO_DEVICE, O_WRONLY | O_NONBLOCK);
+ if (audioFD == -1) {
+ xf86Msg(X_ERROR, "Bell: cannot open audio device \"%s\": %s\n",
+ AUDIO_DEVICE, strerror(errno));
+ return;
+ }
+
+ freq = pitch;
+ freq = min(freq, (BELL_RATE / 2) - 1);
+ freq = max(freq, 2 * BELL_HZ);
+
+ /*
+ * Ensure full waves per buffer
+ */
+ freq -= freq % BELL_HZ;
+
+ if (freq != lastFreq) {
+ lastFreq = freq;
+ ampl = 16384.0;
+
+ cyclen = (double) freq / (double) BELL_RATE;
+ phase = 0.0;
+
+ for (i = 0; i < BELL_SAMPLES; i++) {
+ samples[i] = (short) (ampl * sin(2.0 * M_PI * phase));
+ phase += cyclen;
+ if (phase >= 1.0)
+ phase -= 1.0;
+ }
+ }
+
+ repeats = (duration + (BELL_MS / 2)) / BELL_MS;
+ repeats = max(repeats, BELL_MIN);
+
+ loudness = max(0, loudness);
+ loudness = min(loudness, 100);
+
+#ifdef DEBUG
+ ErrorF("BELL : freq %d volume %d duration %d repeats %d\n",
+ freq, loudness, duration, repeats);
+#endif
+
+ AUDIO_INITINFO(&audioInfo);
+ audioInfo.play.encoding = AUDIO_ENCODING_LINEAR;
+ audioInfo.play.sample_rate = BELL_RATE;
+ audioInfo.play.channels = 2;
+ audioInfo.play.precision = 16;
+ audioInfo.play.gain = min(AUDIO_MAX_GAIN, AUDIO_MAX_GAIN * loudness / 100);
+
+ if (ioctl(audioFD, AUDIO_SETINFO, &audioInfo) < 0){
+ xf86Msg(X_ERROR,
+ "Bell: AUDIO_SETINFO failed on audio device \"%s\": %s\n",
+ AUDIO_DEVICE, strerror(errno));
+ close(audioFD);
+ return;
+ }
+
+ iovcnt = 0;
+
+ for (cnt = 0; cnt <= repeats; cnt++) {
+ if (cnt == repeats) {
+ /* Insert a bit of silence so that multiple beeps are distinct and
+ * not compressed into a single tone.
+ */
+ iov[iovcnt].iov_base = (char *) silence;
+ iov[iovcnt++].iov_len = sizeof(silence);
+ } else {
+ iov[iovcnt].iov_base = (char *) samples;
+ iov[iovcnt++].iov_len = sizeof(samples);
+ }
+ if ((iovcnt >= IOV_MAX) || (cnt == repeats)) {
+ written = writev(audioFD, iov, iovcnt);
+
+ if ((written < ((int)(sizeof(samples) * iovcnt)))) {
+ /* audio buffer was full! */
+
+ int naptime;
+
+ if (written == -1) {
+ if (errno != EAGAIN) {
+ xf86Msg(X_ERROR,
+ "Bell: writev failed on audio device \"%s\": %s\n",
+ AUDIO_DEVICE, strerror(errno));
+ close(audioFD);
+ return;
+ }
+ i = iovcnt;
+ } else {
+ i = ((sizeof(samples) * iovcnt) - written)
+ / sizeof(samples);
+ }
+ cnt -= i;
+
+ /* sleep a little to allow audio buffer to drain */
+ naptime = BELL_MS * i;
+ poll(NULL, 0, naptime);
+
+ i = ((sizeof(samples) * iovcnt) - written) % sizeof(samples);
+ iovcnt = 0;
+ if ((written != -1) && (i > 0)) {
+ iov[iovcnt].iov_base = ((char *) samples) + i;
+ iov[iovcnt++].iov_len = sizeof(samples) - i;
+ }
+ } else {
+ iovcnt = 0;
+ }
+ }
+ }
+
+ close(audioFD);
+ return;
+}
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