-/* $Id$ */
-
/***
This file is part of PulseAudio.
-
+
+ Copyright 2004-2006 Lennart Poettering
+ Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
+
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
-
+
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
-
+
You should have received a copy of the GNU Lesser General Public License
along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
#include <config.h>
#endif
-#include <assert.h>
#include <sys/soundcard.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <sys/stat.h>
#include <fcntl.h>
+#include <pulse/xmalloc.h>
#include <pulsecore/core-error.h>
#include <pulsecore/core-util.h>
#include <pulsecore/log.h>
+#include <pulsecore/macro.h>
#include "oss-util.h"
int pa_oss_open(const char *device, int *mode, int* pcaps) {
int fd = -1;
- assert(device && mode && (*mode == O_RDWR || *mode == O_RDONLY || *mode == O_WRONLY));
+ int caps;
+
+ pa_assert(device);
+ pa_assert(mode);
+ pa_assert(*mode == O_RDWR || *mode == O_RDONLY || *mode == O_WRONLY);
+
+ if(!pcaps)
+ pcaps = ∩︀
if (*mode == O_RDWR) {
- if ((fd = open(device, O_RDWR|O_NDELAY)) >= 0) {
- int dcaps, *tcaps;
+ if ((fd = open(device, O_RDWR|O_NDELAY|O_NOCTTY)) >= 0) {
ioctl(fd, SNDCTL_DSP_SETDUPLEX, 0);
- tcaps = pcaps ? pcaps : &dcaps;
-
- if (ioctl(fd, SNDCTL_DSP_GETCAPS, tcaps) < 0) {
- pa_log(__FILE__": SNDCTL_DSP_GETCAPS: %s", pa_cstrerror(errno));
+ if (ioctl(fd, SNDCTL_DSP_GETCAPS, pcaps) < 0) {
+ pa_log("SNDCTL_DSP_GETCAPS: %s", pa_cstrerror(errno));
goto fail;
}
- if (*tcaps & DSP_CAP_DUPLEX)
+ if (*pcaps & DSP_CAP_DUPLEX)
goto success;
- pa_log_warn(__FILE__": '%s' doesn't support full duplex", device);
+ pa_log_warn("'%s' doesn't support full duplex", device);
- close(fd);
+ pa_close(fd);
}
-
- if ((fd = open(device, (*mode = O_WRONLY)|O_NDELAY)) < 0) {
- if ((fd = open(device, (*mode = O_RDONLY)|O_NDELAY)) < 0) {
- pa_log(__FILE__": open('%s'): %s", device, pa_cstrerror(errno));
+
+ if ((fd = open(device, (*mode = O_WRONLY)|O_NDELAY|O_NOCTTY)) < 0) {
+ if ((fd = open(device, (*mode = O_RDONLY)|O_NDELAY|O_NOCTTY)) < 0) {
+ pa_log("open('%s'): %s", device, pa_cstrerror(errno));
goto fail;
}
}
} else {
- if ((fd = open(device, *mode|O_NDELAY)) < 0) {
- pa_log(__FILE__": open('%s'): %s", device, pa_cstrerror(errno));
+ if ((fd = open(device, *mode|O_NDELAY|O_NOCTTY)) < 0) {
+ pa_log("open('%s'): %s", device, pa_cstrerror(errno));
goto fail;
}
- }
+ }
-success:
+ *pcaps = 0;
- if (pcaps) {
- if (ioctl(fd, SNDCTL_DSP_GETCAPS, pcaps) < 0) {
- pa_log(__FILE__": SNDCTL_DSP_GETCAPS: %s", pa_cstrerror(errno));
- goto fail;
- }
+ if (ioctl(fd, SNDCTL_DSP_GETCAPS, pcaps) < 0) {
+ pa_log("SNDCTL_DSP_GETCAPS: %s", pa_cstrerror(errno));
+ goto fail;
}
- pa_fd_set_cloexec(fd, 1);
-
+success:
+
+ pa_log_debug("capabilities:%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
+ *pcaps & DSP_CAP_BATCH ? " BATCH" : "",
+#ifdef DSP_CAP_BIND
+ *pcaps & DSP_CAP_BIND ? " BIND" : "",
+#else
+ "",
+#endif
+ *pcaps & DSP_CAP_COPROC ? " COPROC" : "",
+ *pcaps & DSP_CAP_DUPLEX ? " DUPLEX" : "",
+#ifdef DSP_CAP_FREERATE
+ *pcaps & DSP_CAP_FREERATE ? " FREERATE" : "",
+#else
+ "",
+#endif
+#ifdef DSP_CAP_INPUT
+ *pcaps & DSP_CAP_INPUT ? " INPUT" : "",
+#else
+ "",
+#endif
+ *pcaps & DSP_CAP_MMAP ? " MMAP" : "",
+#ifdef DSP_CAP_MODEM
+ *pcaps & DSP_CAP_MODEM ? " MODEM" : "",
+#else
+ "",
+#endif
+#ifdef DSP_CAP_MULTI
+ *pcaps & DSP_CAP_MULTI ? " MULTI" : "",
+#else
+ "",
+#endif
+#ifdef DSP_CAP_OUTPUT
+ *pcaps & DSP_CAP_OUTPUT ? " OUTPUT" : "",
+#else
+ "",
+#endif
+ *pcaps & DSP_CAP_REALTIME ? " REALTIME" : "",
+#ifdef DSP_CAP_SHADOW
+ *pcaps & DSP_CAP_SHADOW ? " SHADOW" : "",
+#else
+ "",
+#endif
+#ifdef DSP_CAP_VIRTUAL
+ *pcaps & DSP_CAP_VIRTUAL ? " VIRTUAL" : "",
+#else
+ "",
+#endif
+ *pcaps & DSP_CAP_TRIGGER ? " TRIGGER" : "");
+
+ pa_make_fd_cloexec(fd);
+
return fd;
fail:
if (fd >= 0)
- close(fd);
+ pa_close(fd);
return -1;
}
int pa_oss_auto_format(int fd, pa_sample_spec *ss) {
int format, channels, speed, reqformat;
pa_sample_format_t orig_format;
-
+
static const int format_trans[PA_SAMPLE_MAX] = {
[PA_SAMPLE_U8] = AFMT_U8,
[PA_SAMPLE_ALAW] = AFMT_A_LAW,
[PA_SAMPLE_S16BE] = AFMT_S16_BE,
[PA_SAMPLE_FLOAT32LE] = AFMT_QUERY, /* not supported */
[PA_SAMPLE_FLOAT32BE] = AFMT_QUERY, /* not supported */
+ [PA_SAMPLE_S32LE] = AFMT_QUERY, /* not supported */
+ [PA_SAMPLE_S32BE] = AFMT_QUERY, /* not supported */
};
- assert(fd >= 0 && ss);
+ pa_assert(fd >= 0);
+ pa_assert(ss);
orig_format = ss->format;
-
+
reqformat = format = format_trans[ss->format];
if (reqformat == AFMT_QUERY || ioctl(fd, SNDCTL_DSP_SETFMT, &format) < 0 || format != reqformat) {
format = AFMT_S16_NE;
if (ioctl(fd, SNDCTL_DSP_SETFMT, &format) < 0 || format != f) {
format = AFMT_U8;
if (ioctl(fd, SNDCTL_DSP_SETFMT, &format) < 0 || format != AFMT_U8) {
- pa_log(__FILE__": SNDCTL_DSP_SETFMT: %s", format != AFMT_U8 ? "No supported sample format" : pa_cstrerror(errno));
+ pa_log("SNDCTL_DSP_SETFMT: %s", format != AFMT_U8 ? "No supported sample format" : pa_cstrerror(errno));
return -1;
} else
ss->format = PA_SAMPLE_U8;
}
if (orig_format != ss->format)
- pa_log_warn(__FILE__": device doesn't support sample format %s, changed to %s.",
+ pa_log_warn("device doesn't support sample format %s, changed to %s.",
pa_sample_format_to_string(orig_format),
pa_sample_format_to_string(ss->format));
-
+
channels = ss->channels;
if (ioctl(fd, SNDCTL_DSP_CHANNELS, &channels) < 0) {
- pa_log(__FILE__": SNDCTL_DSP_CHANNELS: %s", pa_cstrerror(errno));
+ pa_log("SNDCTL_DSP_CHANNELS: %s", pa_cstrerror(errno));
return -1;
}
- assert(channels > 0);
+ pa_assert(channels > 0);
if (ss->channels != channels) {
- pa_log_warn(__FILE__": device doesn't support %i channels, using %i channels.", ss->channels, channels);
+ pa_log_warn("device doesn't support %i channels, using %i channels.", ss->channels, channels);
ss->channels = channels;
}
speed = ss->rate;
if (ioctl(fd, SNDCTL_DSP_SPEED, &speed) < 0) {
- pa_log(__FILE__": SNDCTL_DSP_SPEED: %s", pa_cstrerror(errno));
+ pa_log("SNDCTL_DSP_SPEED: %s", pa_cstrerror(errno));
return -1;
}
- assert(speed > 0);
+ pa_assert(speed > 0);
if (ss->rate != (unsigned) speed) {
- pa_log_warn(__FILE__": device doesn't support %i Hz, changed to %i Hz.", ss->rate, speed);
+ pa_log_warn("device doesn't support %i Hz, changed to %i Hz.", ss->rate, speed);
/* If the sample rate deviates too much, we need to resample */
if (speed < ss->rate*.95 || speed > ss->rate*1.05)
if (!v) break;
k++;
}
-
+
return k;
}
int pa_oss_set_fragments(int fd, int nfrags, int frag_size) {
int arg;
arg = ((int) nfrags << 16) | simple_log2(frag_size);
-
+
if (ioctl(fd, SNDCTL_DSP_SETFRAGMENT, &arg) < 0) {
- pa_log(__FILE__": SNDCTL_DSP_SETFRAGMENT: %s", pa_cstrerror(errno));
+ pa_log("SNDCTL_DSP_SETFRAGMENT: %s", pa_cstrerror(errno));
return -1;
}
return 0;
}
-static int pa_oss_get_volume(int fd, int mixer, const pa_sample_spec *ss, pa_cvolume *volume) {
+int pa_oss_get_volume(int fd, unsigned long mixer, const pa_sample_spec *ss, pa_cvolume *volume) {
char cv[PA_CVOLUME_SNPRINT_MAX];
unsigned vol;
- assert(fd >= 0);
- assert(ss);
- assert(volume);
-
+ pa_assert(fd >= 0);
+ pa_assert(ss);
+ pa_assert(volume);
+
if (ioctl(fd, mixer, &vol) < 0)
return -1;
+ pa_cvolume_reset(volume, ss->channels);
+
volume->values[0] = ((vol & 0xFF) * PA_VOLUME_NORM) / 100;
- if ((volume->channels = ss->channels) >= 2)
+ if (volume->channels >= 2)
volume->values[1] = (((vol >> 8) & 0xFF) * PA_VOLUME_NORM) / 100;
- pa_log_debug(__FILE__": Read mixer settings: %s", pa_cvolume_snprint(cv, sizeof(cv), volume));
+ pa_log_debug("Read mixer settings: %s", pa_cvolume_snprint(cv, sizeof(cv), volume));
return 0;
}
-static int pa_oss_set_volume(int fd, int mixer, const pa_sample_spec *ss, const pa_cvolume *volume) {
+int pa_oss_set_volume(int fd, unsigned long mixer, const pa_sample_spec *ss, const pa_cvolume *volume) {
char cv[PA_CVOLUME_SNPRINT_MAX];
unsigned vol;
pa_volume_t l, r;
r = volume->values[1] > PA_VOLUME_NORM ? PA_VOLUME_NORM : volume->values[1];
vol |= ((r*100)/PA_VOLUME_NORM) << 8;
}
-
+
if (ioctl(fd, mixer, &vol) < 0)
return -1;
- pa_log_debug(__FILE__": Wrote mixer settings: %s", pa_cvolume_snprint(cv, sizeof(cv), volume));
+ pa_log_debug("Wrote mixer settings: %s", pa_cvolume_snprint(cv, sizeof(cv), volume));
return 0;
}
-int pa_oss_get_pcm_volume(int fd, const pa_sample_spec *ss, pa_cvolume *volume) {
- return pa_oss_get_volume(fd, SOUND_MIXER_READ_PCM, ss, volume);
-}
+static int get_device_number(const char *dev) {
+ const char *p, *e;
+ char *rp = NULL;
+ int r;
-int pa_oss_set_pcm_volume(int fd, const pa_sample_spec *ss, const pa_cvolume *volume) {
- return pa_oss_set_volume(fd, SOUND_MIXER_WRITE_PCM, ss, volume);
-}
+ if (!(p = rp = pa_readlink(dev))) {
+ if (errno != EINVAL && errno != ENOLINK) {
+ r = -1;
+ goto finish;
+ }
-int pa_oss_get_input_volume(int fd, const pa_sample_spec *ss, pa_cvolume *volume) {
- return pa_oss_get_volume(fd, SOUND_MIXER_READ_IGAIN, ss, volume);
-}
+ p = dev;
+ }
+
+ if ((e = strrchr(p, '/')))
+ p = e+1;
+
+ if (p == 0) {
+ r = 0;
+ goto finish;
+ }
-int pa_oss_set_input_volume(int fd, const pa_sample_spec *ss, const pa_cvolume *volume) {
- return pa_oss_set_volume(fd, SOUND_MIXER_WRITE_IGAIN, ss, volume);
+ p = strchr(p, 0) -1;
+
+ if (*p >= '0' && *p <= '9') {
+ r = *p - '0';
+ goto finish;
+ }
+
+ r = -1;
+
+finish:
+ pa_xfree(rp);
+ return r;
}
int pa_oss_get_hw_description(const char *dev, char *name, size_t l) {
FILE *f;
- const char *e = NULL;
int n, r = -1;
int b = 0;
- if (strncmp(dev, "/dev/dsp", 8) == 0)
- e = dev+8;
- else if (strncmp(dev, "/dev/adsp", 9) == 0)
- e = dev+9;
- else
+ if ((n = get_device_number(dev)) < 0)
return -1;
- if (*e == 0)
- n = 0;
- else if (*e >= '0' && *e <= '9' && *(e+1) == 0)
- n = *e - '0';
- else
- return -1;
-
if (!(f = fopen("/dev/sndstat", "r")) &&
!(f = fopen("/proc/sndstat", "r")) &&
!(f = fopen("/proc/asound/oss/sndstat", "r"))) {
if (errno != ENOENT)
- pa_log_warn(__FILE__": failed to open OSS sndstat device: %s", pa_cstrerror(errno));
+ pa_log_warn("failed to open OSS sndstat device: %s", pa_cstrerror(errno));
return -1;
}
while (!feof(f)) {
char line[64];
int device;
-
+
if (!fgets(line, sizeof(line), f))
break;
if (line[0] == 0)
break;
-
+
if (sscanf(line, "%i: ", &device) != 1)
continue;
if (device == n) {
char *k = strchr(line, ':');
- assert(k);
+ pa_assert(k);
k++;
k += strspn(k, " ");
if (pa_endswith(k, " (DUPLEX)"))
k[strlen(k)-9] = 0;
-
+
pa_strlcpy(name, k, l);
r = 0;
break;
fclose(f);
return r;
}
+
+static int open_mixer(const char *mixer) {
+ int fd;
+
+ if ((fd = open(mixer, O_RDWR|O_NDELAY|O_NOCTTY)) >= 0)
+ return fd;
+
+ return -1;
+}
+
+int pa_oss_open_mixer_for_device(const char *device) {
+ int n;
+ char *fn;
+ int fd;
+
+ if ((n = get_device_number(device)) < 0)
+ return -1;
+
+ if (n == 0)
+ if ((fd = open_mixer("/dev/mixer")) >= 0)
+ return fd;
+
+ fn = pa_sprintf_malloc("/dev/mixer%i", n);
+ fd = open_mixer(fn);
+ pa_xfree(fn);
+
+ if (fd < 0)
+ pa_log_warn("Failed to open mixer '%s': %s", device, pa_cstrerror(errno));
+
+ return fd;
+}