From c7fff97782bb59815e7ebd38895cc1480719e24c Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Thu, 15 Jan 2009 21:02:01 +0100 Subject: move alsa and oss modules into their own subdirectories --- src/modules/oss-util.c | 417 ------------------------------------------------- 1 file changed, 417 deletions(-) delete mode 100644 src/modules/oss-util.c (limited to 'src/modules/oss-util.c') diff --git a/src/modules/oss-util.c b/src/modules/oss-util.c deleted file mode 100644 index f766030d..00000000 --- a/src/modules/oss-util.c +++ /dev/null @@ -1,417 +0,0 @@ -/*** - This file is part of PulseAudio. - - Copyright 2004-2006 Lennart Poettering - Copyright 2006 Pierre Ossman 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 - USA. -***/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include - -#include "oss-util.h" - -int pa_oss_open(const char *device, int *mode, int* pcaps) { - int fd = -1; - 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|O_NOCTTY)) >= 0) { - ioctl(fd, SNDCTL_DSP_SETDUPLEX, 0); - - if (ioctl(fd, SNDCTL_DSP_GETCAPS, pcaps) < 0) { - pa_log("SNDCTL_DSP_GETCAPS: %s", pa_cstrerror(errno)); - goto fail; - } - - if (*pcaps & DSP_CAP_DUPLEX) - goto success; - - pa_log_warn("'%s' doesn't support full duplex", device); - - pa_close(fd); - } - - 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|O_NOCTTY)) < 0) { - pa_log("open('%s'): %s", device, pa_cstrerror(errno)); - goto fail; - } - } - - *pcaps = 0; - - if (ioctl(fd, SNDCTL_DSP_GETCAPS, pcaps) < 0) { - pa_log("SNDCTL_DSP_GETCAPS: %s", pa_cstrerror(errno)); - goto fail; - } - -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) - 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_ULAW] = AFMT_MU_LAW, - [PA_SAMPLE_S16LE] = AFMT_S16_LE, - [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 */ - }; - - 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 != AFMT_S16_NE) { - int f = AFMT_S16_NE == AFMT_S16_LE ? AFMT_S16_BE : AFMT_S16_LE; - format = f; - 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("SNDCTL_DSP_SETFMT: %s", format != AFMT_U8 ? "No supported sample format" : pa_cstrerror(errno)); - return -1; - } else - ss->format = PA_SAMPLE_U8; - } else - ss->format = f == AFMT_S16_LE ? PA_SAMPLE_S16LE : PA_SAMPLE_S16BE; - } else - ss->format = PA_SAMPLE_S16NE; - } - - if (orig_format != ss->format) - 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("SNDCTL_DSP_CHANNELS: %s", pa_cstrerror(errno)); - return -1; - } - pa_assert(channels > 0); - - if (ss->channels != channels) { - pa_log_warn("device doesn't support %i channels, using %i channels.", ss->channels, channels); - ss->channels = (uint8_t) channels; - } - - speed = (int) ss->rate; - if (ioctl(fd, SNDCTL_DSP_SPEED, &speed) < 0) { - pa_log("SNDCTL_DSP_SPEED: %s", pa_cstrerror(errno)); - return -1; - } - pa_assert(speed > 0); - - if (ss->rate != (unsigned) 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) - ss->rate = (uint32_t) speed; - } - - return 0; -} - -static int simple_log2(int v) { - int k = 0; - - for (;;) { - v >>= 1; - 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("SNDCTL_DSP_SETFRAGMENT: %s", pa_cstrerror(errno)); - return -1; - } - - return 0; -} - -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; - - 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 >= 2) - volume->values[1] = (((vol >> 8) & 0xFF) * PA_VOLUME_NORM) / 100; - - pa_log_debug("Read mixer settings: %s", pa_cvolume_snprint(cv, sizeof(cv), volume)); - return 0; -} - -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; - - l = volume->values[0] > PA_VOLUME_NORM ? PA_VOLUME_NORM : volume->values[0]; - - vol = (l*100)/PA_VOLUME_NORM; - - if (ss->channels >= 2) { - 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("Wrote mixer settings: %s", pa_cvolume_snprint(cv, sizeof(cv), volume)); - return 0; -} - -static int get_device_number(const char *dev) { - const char *p, *e; - char *rp = NULL; - int r; - - if (!(p = rp = pa_readlink(dev))) { - if (errno != EINVAL && errno != ENOLINK) { - r = -1; - goto finish; - } - - p = dev; - } - - if ((e = strrchr(p, '/'))) - p = e+1; - - if (p == 0) { - r = 0; - goto finish; - } - - 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; - int n, r = -1; - int b = 0; - - if ((n = get_device_number(dev)) < 0) - 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("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; - - line[strcspn(line, "\r\n")] = 0; - - if (!b) { - b = strcmp(line, "Audio devices:") == 0; - continue; - } - - if (line[0] == 0) - break; - - if (sscanf(line, "%i: ", &device) != 1) - continue; - - if (device == n) { - char *k = strchr(line, ':'); - 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; -} -- cgit