diff options
Diffstat (limited to 'polyp/module-detect.c')
| -rw-r--r-- | polyp/module-detect.c | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/polyp/module-detect.c b/polyp/module-detect.c deleted file mode 100644 index ee75da36..00000000 --- a/polyp/module-detect.c +++ /dev/null @@ -1,226 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of polypaudio. - - polypaudio 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. - - polypaudio 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 polypaudio; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -***/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <stdio.h> -#include <assert.h> -#include <unistd.h> -#include <string.h> -#include <stdlib.h> -#include <errno.h> -#include <stdlib.h> - -#include "module.h" -#include "log.h" -#include "module-detect-symdef.h" -#include "xmalloc.h" -#include "modargs.h" - -PA_MODULE_AUTHOR("Lennart Poettering") -PA_MODULE_DESCRIPTION("Detect available audio hardware and load matching drivers") -PA_MODULE_VERSION(PACKAGE_VERSION) -PA_MODULE_USAGE("just-one=<boolean>") - -static const char *endswith(const char *haystack, const char *needle) { - size_t l, m; - const char *p; - - if ((l = strlen(haystack)) < (m = strlen(needle))) - return NULL; - - if (strcmp(p = haystack + l - m, needle)) - return NULL; - - return p; -} - -#ifdef HAVE_ALSA -static int detect_alsa(pa_core *c, int just_one) { - FILE *f; - int n = 0, n_sink = 0, n_source = 0; - - if (!(f = fopen("/proc/asound/devices", "r"))) { - - if (errno != ENOENT) - pa_log_error(__FILE__": open(\"/proc/asound/devices\") failed: %s\n", strerror(errno)); - - return -1; - } - - while (!feof(f)) { - char line[64], args[64]; - unsigned device, subdevice; - int is_sink; - - if (!fgets(line, sizeof(line), f)) - break; - - line[strcspn(line, "\r\n")] = 0; - - if (endswith(line, "digital audio playback")) - is_sink = 1; - else if (endswith(line, "digital audio capture")) - is_sink = 0; - else - continue; - - if (just_one && is_sink && n_sink >= 1) - continue; - - if (just_one && !is_sink && n_source >= 1) - continue; - - if (sscanf(line, " %*i: [%u- %u]: ", &device, &subdevice) != 2) - continue; - - /* Only one sink per device */ - if (subdevice != 0) - continue; - - snprintf(args, sizeof(args), "device=hw:%u,0", device); - if (!pa_module_load(c, is_sink ? "module-alsa-sink" : "module-alsa-source", args)) - continue; - - n++; - - if (is_sink) - n_sink++; - else - n_source++; - } - - fclose(f); - - return n; -} -#endif - -#ifdef HAVE_OSS -static int detect_oss(pa_core *c, int just_one) { - FILE *f; - int n = 0, b = 0; - - if (!(f = fopen("/dev/sndstat", "r")) && - !(f = fopen("/proc/sndstat", "r")) && - !(f = fopen("/proc/asound/oss/sndstat", "r"))) { - - if (errno != ENOENT) - pa_log_error(__FILE__": failed to open OSS sndstat device: %s\n", strerror(errno)); - - return -1; - } - - while (!feof(f)) { - char line[64], args[64]; - unsigned 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, "%u: ", &device) != 1) - continue; - - if (device == 0) - snprintf(args, sizeof(args), "device=/dev/dsp"); - else - snprintf(args, sizeof(args), "device=/dev/dsp%u", device); - - if (!pa_module_load(c, "module-oss", args)) - continue; - - n++; - - if (just_one) - break; - } - - fclose(f); - return n; -} -#endif - -int pa__init(pa_core *c, pa_module*m) { - int just_one = 0, n = 0; - pa_modargs *ma; - - static const char* const valid_modargs[] = { - "just-one", - NULL - }; - - assert(c); - assert(m); - - if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { - pa_log(__FILE__": Failed to parse module arguments\n"); - goto fail; - } - - if (pa_modargs_get_value_boolean(ma, "just-one", &just_one) < 0) { - pa_log(__FILE__": just_one= expects a boolean argument.\n"); - goto fail; - } - -#if HAVE_ALSA - if ((n = detect_alsa(c, just_one)) <= 0) -#endif -#if HAVE_OSS - if ((n = detect_oss(c, just_one)) <= 0) -#endif - { - pa_log_warn(__FILE__": failed to detect any sound hardware.\n"); - goto fail; - } - - pa_log_info(__FILE__": loaded %i modules.\n", n); - - /* We were successful and can unload ourselves now. */ - pa_module_unload_request(m); - - pa_modargs_free(ma); - - return 0; - -fail: - if (ma) - pa_modargs_free(ma); - - return -1; -} - - -void pa__done(pa_core *c, pa_module*m) { - /* NOP */ -} - |