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-rw-r--r--www/firefox-esr/files/patch-cubeb-oss1327
1 files changed, 0 insertions, 1327 deletions
diff --git a/www/firefox-esr/files/patch-cubeb-oss b/www/firefox-esr/files/patch-cubeb-oss
deleted file mode 100644
index 2b151a07fb20..000000000000
--- a/www/firefox-esr/files/patch-cubeb-oss
+++ /dev/null
@@ -1,1327 +0,0 @@
-https://github.com/kinetiknz/cubeb/pull/600
-
---- dom/media/CubebUtils.cpp.orig 2020-08-19 02:08:51 UTC
-+++ dom/media/CubebUtils.cpp
-@@ -126,7 +126,7 @@ const char kBrandBundleURL[] = "chrome://branding/locale/brand.properties";
-
- const char* AUDIOSTREAM_BACKEND_ID_STR[] = {
- "jack", "pulse", "alsa", "audiounit", "audioqueue", "wasapi",
-- "winmm", "directsound", "sndio", "opensl", "audiotrack", "kai"};
-+ "winmm", "directsound", "sndio", "opensl", "oss", "audiotrack", "kai"};
- /* Index for failures to create an audio stream the first time. */
- const int CUBEB_BACKEND_INIT_FAILURE_FIRST =
- ArrayLength(AUDIOSTREAM_BACKEND_ID_STR);
---- media/libcubeb/src/moz.build.orig 2020-08-19 02:09:19 UTC
-+++ media/libcubeb/src/moz.build
-@@ -40,6 +40,12 @@ if CONFIG['MOZ_JACK']:
- ]
- DEFINES['USE_JACK'] = True
-
-+if CONFIG['OS_ARCH'] in ('DragonFly', 'FreeBSD', 'SunOS'):
-+ SOURCES += [
-+ 'cubeb_oss.c',
-+ ]
-+ DEFINES['USE_OSS'] = True
-+
- if CONFIG['OS_ARCH'] == 'OpenBSD':
- SOURCES += [
- 'cubeb_sndio.c',
---- media/libcubeb/src/cubeb.c.orig 2020-08-19 02:09:26 UTC
-+++ media/libcubeb/src/cubeb.c
-@@ -60,6 +60,9 @@ int sun_init(cubeb ** context, char const * context_name);
- #if defined(USE_OPENSL)
- int opensl_init(cubeb ** context, char const * context_name);
- #endif
-+#if defined(USE_OSS)
-+int oss_init(cubeb ** context, char const * context_name);
-+#endif
- #if defined(USE_AUDIOTRACK)
- int audiotrack_init(cubeb ** context, char const * context_name);
- #endif
-@@ -165,6 +168,10 @@ cubeb_init(cubeb ** context, char const * context_name, char const * backend_nam
- #if defined(USE_OPENSL)
- init_oneshot = opensl_init;
- #endif
-+ } else if (!strcmp(backend_name, "oss")) {
-+#if defined(USE_OSS)
-+ init_oneshot = oss_init;
-+#endif
- } else if (!strcmp(backend_name, "audiotrack")) {
- #if defined(USE_AUDIOTRACK)
- init_oneshot = audiotrack_init;
-@@ -200,6 +207,9 @@ cubeb_init(cubeb ** context, char const * context_name, char const * backend_nam
- #if defined(USE_ALSA)
- alsa_init,
- #endif
-+#if defined (USE_OSS)
-+ oss_init,
-+#endif
- #if defined(USE_AUDIOUNIT_RUST)
- audiounit_rust_init,
- #endif
---- /dev/null
-+++ media/libcubeb/src/cubeb_oss.c
-@@ -0,0 +1,1263 @@
-+/*
-+ * Copyright © 2019-2020 Nia Alarie <nia@NetBSD.org>
-+ * Copyright © 2020 Ka Ho Ng <khng300@gmail.com>
-+ * Copyright © 2020 The FreeBSD Foundation
-+ *
-+ * Portions of this software were developed by Ka Ho Ng
-+ * under sponsorship from the FreeBSD Foundation.
-+ *
-+ * This program is made available under an ISC-style license. See the
-+ * accompanying file LICENSE for details.
-+ */
-+
-+#if defined(__FreeBSD__) && __FreeBSD__ < 12
-+#define _WITH_GETLINE
-+#endif
-+#include <assert.h>
-+#include <ctype.h>
-+#include <limits.h>
-+#include <errno.h>
-+#include <sys/types.h>
-+#include <sys/soundcard.h>
-+#include <sys/ioctl.h>
-+#include <fcntl.h>
-+#include <unistd.h>
-+#include <pthread.h>
-+#include <stdbool.h>
-+#include <stdlib.h>
-+#include <stdio.h>
-+#include <string.h>
-+#include <poll.h>
-+#include "cubeb/cubeb.h"
-+#include "cubeb_mixer.h"
-+#include "cubeb_strings.h"
-+#include "cubeb-internal.h"
-+
-+/* Supported well by most hardware. */
-+#ifndef OSS_PREFER_RATE
-+#define OSS_PREFER_RATE (48000)
-+#endif
-+
-+/* Standard acceptable minimum. */
-+#ifndef OSS_LATENCY_MS
-+#define OSS_LATENCY_MS (8)
-+#endif
-+
-+#ifndef OSS_NFRAGS
-+#define OSS_NFRAGS (4)
-+#endif
-+
-+#ifndef OSS_DEFAULT_DEVICE
-+#define OSS_DEFAULT_DEVICE "/dev/dsp"
-+#endif
-+
-+#ifndef OSS_DEFAULT_MIXER
-+#define OSS_DEFAULT_MIXER "/dev/mixer"
-+#endif
-+
-+#define ENV_AUDIO_DEVICE "AUDIO_DEVICE"
-+
-+#ifndef OSS_MAX_CHANNELS
-+# if defined(__FreeBSD__) || defined(__DragonFly__)
-+/*
-+ * The current maximum number of channels supported
-+ * on FreeBSD is 8.
-+ *
-+ * Reference: FreeBSD 12.1-RELEASE
-+ */
-+# define OSS_MAX_CHANNELS (8)
-+# elif defined(__sun__)
-+/*
-+ * The current maximum number of channels supported
-+ * on Illumos is 16.
-+ *
-+ * Reference: PSARC 2008/318
-+ */
-+# define OSS_MAX_CHANNELS (16)
-+# else
-+# define OSS_MAX_CHANNELS (2)
-+# endif
-+#endif
-+
-+#if defined(__FreeBSD__) || defined(__DragonFly__)
-+#define SNDSTAT_BEGIN_STR "Installed devices:"
-+#define SNDSTAT_USER_BEGIN_STR "Installed devices from userspace:"
-+#define SNDSTAT_FV_BEGIN_STR "File Versions:"
-+#endif
-+
-+static struct cubeb_ops const oss_ops;
-+
-+struct cubeb {
-+ struct cubeb_ops const * ops;
-+
-+ /* Our intern string store */
-+ pthread_mutex_t mutex; /* protects devid_strs */
-+ cubeb_strings *devid_strs;
-+};
-+
-+struct oss_stream {
-+ oss_devnode_t name;
-+ int fd;
-+ void * buf;
-+
-+ struct stream_info {
-+ int channels;
-+ int sample_rate;
-+ int fmt;
-+ int precision;
-+ } info;
-+
-+ unsigned int frame_size; /* precision in bytes * channels */
-+ bool floating;
-+};
-+
-+struct cubeb_stream {
-+ struct cubeb * context;
-+ void * user_ptr;
-+ pthread_t thread;
-+ bool doorbell; /* (m) */
-+ pthread_cond_t doorbell_cv; /* (m) */
-+ pthread_cond_t stopped_cv; /* (m) */
-+ pthread_mutex_t mtx; /* Members protected by this should be marked (m) */
-+ bool thread_created; /* (m) */
-+ bool running; /* (m) */
-+ bool destroying; /* (m) */
-+ cubeb_state state; /* (m) */
-+ float volume /* (m) */;
-+ struct oss_stream play;
-+ struct oss_stream record;
-+ cubeb_data_callback data_cb;
-+ cubeb_state_callback state_cb;
-+ uint64_t frames_written /* (m) */;
-+ unsigned int nfr; /* Number of frames allocated */
-+ unsigned int nfrags;
-+ unsigned int bufframes;
-+};
-+
-+static char const *
-+oss_cubeb_devid_intern(cubeb *context, char const * devid)
-+{
-+ char const *is;
-+ pthread_mutex_lock(&context->mutex);
-+ is = cubeb_strings_intern(context->devid_strs, devid);
-+ pthread_mutex_unlock(&context->mutex);
-+ return is;
-+}
-+
-+int
-+oss_init(cubeb **context, char const *context_name) {
-+ cubeb * c;
-+
-+ (void)context_name;
-+ if ((c = calloc(1, sizeof(cubeb))) == NULL) {
-+ return CUBEB_ERROR;
-+ }
-+
-+ if (cubeb_strings_init(&c->devid_strs) == CUBEB_ERROR) {
-+ goto fail;
-+ }
-+
-+ if (pthread_mutex_init(&c->mutex, NULL) != 0) {
-+ goto fail;
-+ }
-+
-+ c->ops = &oss_ops;
-+ *context = c;
-+ return CUBEB_OK;
-+
-+fail:
-+ cubeb_strings_destroy(c->devid_strs);
-+ free(c);
-+ return CUBEB_ERROR;
-+}
-+
-+static void
-+oss_destroy(cubeb * context)
-+{
-+ pthread_mutex_destroy(&context->mutex);
-+ cubeb_strings_destroy(context->devid_strs);
-+ free(context);
-+}
-+
-+static char const *
-+oss_get_backend_id(cubeb * context)
-+{
-+ return "oss";
-+}
-+
-+static int
-+oss_get_preferred_sample_rate(cubeb * context, uint32_t * rate)
-+{
-+ (void)context;
-+
-+ *rate = OSS_PREFER_RATE;
-+ return CUBEB_OK;
-+}
-+
-+static int
-+oss_get_max_channel_count(cubeb * context, uint32_t * max_channels)
-+{
-+ (void)context;
-+
-+ *max_channels = OSS_MAX_CHANNELS;
-+ return CUBEB_OK;
-+}
-+
-+static int
-+oss_get_min_latency(cubeb * context, cubeb_stream_params params,
-+ uint32_t * latency_frames)
-+{
-+ (void)context;
-+
-+ *latency_frames = (OSS_LATENCY_MS * params.rate) / 1000;
-+ return CUBEB_OK;
-+}
-+
-+static void
-+oss_free_cubeb_device_info_strings(cubeb_device_info *cdi)
-+{
-+ free((char *)cdi->device_id);
-+ free((char *)cdi->friendly_name);
-+ free((char *)cdi->group_id);
-+ cdi->device_id = NULL;
-+ cdi->friendly_name = NULL;
-+ cdi->group_id = NULL;
-+}
-+
-+#if defined(__FreeBSD__) || defined(__DragonFly__)
-+/*
-+ * Check if the specified DSP is okay for the purpose specified
-+ * in type. Here type can only specify one operation each time
-+ * this helper is called.
-+ *
-+ * Return 0 if OK, otherwise 1.
-+ */
-+static int
-+oss_probe_open(const char *dsppath, cubeb_device_type type,
-+ int *fdp, oss_audioinfo *resai)
-+{
-+ oss_audioinfo ai;
-+ int error;
-+ int oflags = (type == CUBEB_DEVICE_TYPE_INPUT) ? O_RDONLY : O_WRONLY;
-+ int dspfd = open(dsppath, oflags);
-+ if (dspfd == -1)
-+ return 1;
-+
-+ ai.dev = -1;
-+ error = ioctl(dspfd, SNDCTL_AUDIOINFO, &ai);
-+ if (error < 0) {
-+ close(dspfd);
-+ return 1;
-+ }
-+
-+ if (resai)
-+ *resai = ai;
-+ if (fdp)
-+ *fdp = dspfd;
-+ else
-+ close(dspfd);
-+ return 0;
-+}
-+
-+struct sndstat_info {
-+ oss_devnode_t devname;
-+ const char *desc;
-+ cubeb_device_type type;
-+ int preferred;
-+};
-+
-+static int
-+oss_sndstat_line_parse(char *line, int is_ud, struct sndstat_info *sinfo)
-+{
-+ char *matchptr = line, *n = NULL;
-+ struct sndstat_info res;
-+
-+ memset(&res, 0, sizeof(res));
-+
-+ n = strchr(matchptr, ':');
-+ if (n == NULL)
-+ goto fail;
-+ if (is_ud == 0) {
-+ unsigned int devunit;
-+
-+ if (sscanf(matchptr, "pcm%u: ", &devunit) < 1)
-+ goto fail;
-+
-+ if (snprintf(res.devname, sizeof(res.devname), "/dev/dsp%u", devunit) < 1)
-+ goto fail;
-+ } else {
-+ if (n - matchptr >= (ssize_t)(sizeof(res.devname) - strlen("/dev/")))
-+ goto fail;
-+
-+ strlcpy(res.devname, "/dev/", sizeof(res.devname));
-+ strncat(res.devname, matchptr, n - matchptr);
-+ }
-+ matchptr = n + 1;
-+
-+ n = strchr(matchptr, '<');
-+ if (n == NULL)
-+ goto fail;
-+ matchptr = n + 1;
-+ n = strrchr(matchptr, '>');
-+ if (n == NULL)
-+ goto fail;
-+ *n = 0;
-+ res.desc = matchptr;
-+ matchptr = n + 1;
-+
-+ n = strchr(matchptr, '(');
-+ if (n == NULL)
-+ goto fail;
-+ matchptr = n + 1;
-+ n = strrchr(matchptr, ')');
-+ if (n == NULL)
-+ goto fail;
-+ *n = 0;
-+ if (!isdigit(matchptr[0])) {
-+ if (strstr(matchptr, "play") != NULL)
-+ res.type |= CUBEB_DEVICE_TYPE_OUTPUT;
-+ if (strstr(matchptr, "rec") != NULL)
-+ res.type |= CUBEB_DEVICE_TYPE_INPUT;
-+ } else {
-+ int p, r;
-+ if (sscanf(matchptr, "%dp:%*dv/%dr:%*dv", &p, &r) != 2)
-+ goto fail;
-+ if (p > 0)
-+ res.type |= CUBEB_DEVICE_TYPE_OUTPUT;
-+ if (r > 0)
-+ res.type |= CUBEB_DEVICE_TYPE_INPUT;
-+ }
-+ matchptr = n + 1;
-+ if (strstr(matchptr, "default") != NULL)
-+ res.preferred = 1;
-+
-+ *sinfo = res;
-+ return 0;
-+
-+fail:
-+ return 1;
-+}
-+
-+/*
-+ * XXX: On FreeBSD we have to rely on SNDCTL_CARDINFO to get all
-+ * the usable audio devices currently, as SNDCTL_AUDIOINFO will
-+ * never return directly usable audio device nodes.
-+ */
-+static int
-+oss_enumerate_devices(cubeb * context, cubeb_device_type type,
-+ cubeb_device_collection * collection)
-+{
-+ cubeb_device_info *devinfop = NULL;
-+ char *line = NULL;
-+ size_t linecap = 0;
-+ FILE *sndstatfp = NULL;
-+ int collection_cnt = 0;
-+ int is_ud = 0;
-+ int skipall = 0;
-+
-+ devinfop = calloc(1, sizeof(cubeb_device_info));
-+ if (devinfop == NULL)
-+ goto fail;
-+
-+ sndstatfp = fopen("/dev/sndstat", "r");
-+ if (sndstatfp == NULL)
-+ goto fail;
-+ while (getline(&line, &linecap, sndstatfp) > 0) {
-+ const char *devid = NULL;
-+ struct sndstat_info sinfo;
-+ oss_audioinfo ai;
-+
-+ if (!strncmp(line, SNDSTAT_FV_BEGIN_STR, strlen(SNDSTAT_FV_BEGIN_STR))) {
-+ skipall = 1;
-+ continue;
-+ }
-+ if (!strncmp(line, SNDSTAT_BEGIN_STR, strlen(SNDSTAT_BEGIN_STR))) {
-+ is_ud = 0;
-+ skipall = 0;
-+ continue;
-+ }
-+ if (!strncmp(line, SNDSTAT_USER_BEGIN_STR, strlen(SNDSTAT_USER_BEGIN_STR))) {
-+ is_ud = 1;
-+ skipall = 0;
-+ continue;
-+ }
-+ if (skipall || isblank(line[0]))
-+ continue;
-+
-+ if (oss_sndstat_line_parse(line, is_ud, &sinfo))
-+ continue;
-+
-+ devinfop[collection_cnt].type = 0;
-+ switch (sinfo.type) {
-+ case CUBEB_DEVICE_TYPE_INPUT:
-+ if (type & CUBEB_DEVICE_TYPE_OUTPUT)
-+ continue;
-+ break;
-+ case CUBEB_DEVICE_TYPE_OUTPUT:
-+ if (type & CUBEB_DEVICE_TYPE_INPUT)
-+ continue;
-+ break;
-+ case 0:
-+ continue;
-+ }
-+
-+ if (oss_probe_open(sinfo.devname, type, NULL, &ai))
-+ continue;
-+
-+ devid = oss_cubeb_devid_intern(context, sinfo.devname);
-+ if (devid == NULL)
-+ continue;
-+
-+ devinfop[collection_cnt].device_id = strdup(sinfo.devname);
-+ asprintf((char **)&devinfop[collection_cnt].friendly_name, "%s: %s",
-+ sinfo.devname, sinfo.desc);
-+ devinfop[collection_cnt].group_id = strdup(sinfo.devname);
-+ devinfop[collection_cnt].vendor_name = NULL;
-+ if (devinfop[collection_cnt].device_id == NULL ||
-+ devinfop[collection_cnt].friendly_name == NULL ||
-+ devinfop[collection_cnt].group_id == NULL) {
-+ oss_free_cubeb_device_info_strings(&devinfop[collection_cnt]);
-+ continue;
-+ }
-+
-+ devinfop[collection_cnt].type = type;
-+ devinfop[collection_cnt].devid = devid;
-+ devinfop[collection_cnt].state = CUBEB_DEVICE_STATE_ENABLED;
-+ devinfop[collection_cnt].preferred =
-+ (sinfo.preferred) ? CUBEB_DEVICE_PREF_ALL : CUBEB_DEVICE_PREF_NONE;
-+ devinfop[collection_cnt].format = CUBEB_DEVICE_FMT_S16NE;
-+ devinfop[collection_cnt].default_format = CUBEB_DEVICE_FMT_S16NE;
-+ devinfop[collection_cnt].max_channels = ai.max_channels;
-+ devinfop[collection_cnt].default_rate = OSS_PREFER_RATE;
-+ devinfop[collection_cnt].max_rate = ai.max_rate;
-+ devinfop[collection_cnt].min_rate = ai.min_rate;
-+ devinfop[collection_cnt].latency_lo = 0;
-+ devinfop[collection_cnt].latency_hi = 0;
-+
-+ collection_cnt++;
-+
-+ void *newp = reallocarray(devinfop, collection_cnt + 1,
-+ sizeof(cubeb_device_info));
-+ if (newp == NULL)
-+ goto fail;
-+ devinfop = newp;
-+ }
-+
-+ free(line);
-+ fclose(sndstatfp);
-+
-+ collection->count = collection_cnt;
-+ collection->device = devinfop;
-+
-+ return CUBEB_OK;
-+
-+fail:
-+ free(line);
-+ if (sndstatfp)
-+ fclose(sndstatfp);
-+ free(devinfop);
-+ return CUBEB_ERROR;
-+}
-+
-+#else
-+
-+static int
-+oss_enumerate_devices(cubeb * context, cubeb_device_type type,
-+ cubeb_device_collection * collection)
-+{
-+ oss_sysinfo si;
-+ int error, i;
-+ cubeb_device_info *devinfop = NULL;
-+ int collection_cnt = 0;
-+ int mixer_fd = -1;
-+
-+ mixer_fd = open(OSS_DEFAULT_MIXER, O_RDWR);
-+ if (mixer_fd == -1) {
-+ LOG("Failed to open mixer %s. errno: %d", OSS_DEFAULT_MIXER, errno);
-+ return CUBEB_ERROR;
-+ }
-+
-+ error = ioctl(mixer_fd, SNDCTL_SYSINFO, &si);
-+ if (error) {
-+ LOG("Failed to run SNDCTL_SYSINFO on mixer %s. errno: %d", OSS_DEFAULT_MIXER, errno);
-+ goto fail;
-+ }
-+
-+ devinfop = calloc(si.numaudios, sizeof(cubeb_device_info));
-+ if (devinfop == NULL)
-+ goto fail;
-+
-+ collection->count = 0;
-+ for (i = 0; i < si.numaudios; i++) {
-+ oss_audioinfo ai;
-+ cubeb_device_info cdi = { 0 };
-+ const char *devid = NULL;
-+
-+ ai.dev = i;
-+ error = ioctl(mixer_fd, SNDCTL_AUDIOINFO, &ai);
-+ if (error)
-+ goto fail;
-+
-+ assert(ai.dev < si.numaudios);
-+ if (!ai.enabled)
-+ continue;
-+
-+ cdi.type = 0;
-+ switch (ai.caps & DSP_CAP_DUPLEX) {
-+ case DSP_CAP_INPUT:
-+ if (type & CUBEB_DEVICE_TYPE_OUTPUT)
-+ continue;
-+ break;
-+ case DSP_CAP_OUTPUT:
-+ if (type & CUBEB_DEVICE_TYPE_INPUT)
-+ continue;
-+ break;
-+ case 0:
-+ continue;
-+ }
-+ cdi.type = type;
-+
-+ devid = oss_cubeb_devid_intern(context, ai.devnode);
-+ cdi.device_id = strdup(ai.name);
-+ cdi.friendly_name = strdup(ai.name);
-+ cdi.group_id = strdup(ai.name);
-+ if (devid == NULL || cdi.device_id == NULL || cdi.friendly_name == NULL ||
-+ cdi.group_id == NULL) {
-+ oss_free_cubeb_device_info_strings(&cdi);
-+ continue;
-+ }
-+
-+ cdi.devid = devid;
-+ cdi.vendor_name = NULL;
-+ cdi.state = CUBEB_DEVICE_STATE_ENABLED;
-+ cdi.preferred = CUBEB_DEVICE_PREF_NONE;
-+ cdi.format = CUBEB_DEVICE_FMT_S16NE;
-+ cdi.default_format = CUBEB_DEVICE_FMT_S16NE;
-+ cdi.max_channels = ai.max_channels;
-+ cdi.default_rate = OSS_PREFER_RATE;
-+ cdi.max_rate = ai.max_rate;
-+ cdi.min_rate = ai.min_rate;
-+ cdi.latency_lo = 0;
-+ cdi.latency_hi = 0;
-+
-+ devinfop[collection_cnt++] = cdi;
-+ }
-+
-+ collection->count = collection_cnt;
-+ collection->device = devinfop;
-+
-+ if (mixer_fd != -1)
-+ close(mixer_fd);
-+ return CUBEB_OK;
-+
-+fail:
-+ if (mixer_fd != -1)
-+ close(mixer_fd);
-+ free(devinfop);
-+ return CUBEB_ERROR;
-+}
-+
-+#endif
-+
-+static int
-+oss_device_collection_destroy(cubeb * context,
-+ cubeb_device_collection * collection)
-+{
-+ size_t i;
-+ for (i = 0; i < collection->count; i++) {
-+ oss_free_cubeb_device_info_strings(&collection->device[i]);
-+ }
-+ free(collection->device);
-+ collection->device = NULL;
-+ collection->count = 0;
-+ return 0;
-+}
-+
-+static unsigned int
-+oss_chn_from_cubeb(cubeb_channel chn)
-+{
-+ switch (chn) {
-+ case CHANNEL_FRONT_LEFT:
-+ return CHID_L;
-+ case CHANNEL_FRONT_RIGHT:
-+ return CHID_R;
-+ case CHANNEL_FRONT_CENTER:
-+ return CHID_C;
-+ case CHANNEL_LOW_FREQUENCY:
-+ return CHID_LFE;
-+ case CHANNEL_BACK_LEFT:
-+ return CHID_LR;
-+ case CHANNEL_BACK_RIGHT:
-+ return CHID_RR;
-+ case CHANNEL_SIDE_LEFT:
-+ return CHID_LS;
-+ case CHANNEL_SIDE_RIGHT:
-+ return CHID_RS;
-+ default:
-+ return CHID_UNDEF;
-+ }
-+}
-+
-+static unsigned long long
-+oss_cubeb_layout_to_chnorder(cubeb_channel_layout layout)
-+{
-+ unsigned int i, nchns = 0;
-+ unsigned long long chnorder = 0;
-+
-+ for (i = 0; layout; i++, layout >>= 1) {
-+ unsigned long long chid = oss_chn_from_cubeb((layout & 1) << i);
-+ if (chid == CHID_UNDEF)
-+ continue;
-+
-+ chnorder |= (chid & 0xf) << nchns * 4;
-+ nchns++;
-+ }
-+
-+ return chnorder;
-+}
-+
-+static int
-+oss_copy_params(int fd, cubeb_stream * stream, cubeb_stream_params * params,
-+ struct stream_info * sinfo)
-+{
-+ unsigned long long chnorder;
-+
-+ sinfo->channels = params->channels;
-+ sinfo->sample_rate = params->rate;
-+ switch (params->format) {
-+ case CUBEB_SAMPLE_S16LE:
-+ sinfo->fmt = AFMT_S16_LE;
-+ sinfo->precision = 16;
-+ break;
-+ case CUBEB_SAMPLE_S16BE:
-+ sinfo->fmt = AFMT_S16_BE;
-+ sinfo->precision = 16;
-+ break;
-+ case CUBEB_SAMPLE_FLOAT32NE:
-+ sinfo->fmt = AFMT_S32_NE;
-+ sinfo->precision = 32;
-+ break;
-+ default:
-+ LOG("Unsupported format");
-+ return CUBEB_ERROR_INVALID_FORMAT;
-+ }
-+ if (ioctl(fd, SNDCTL_DSP_CHANNELS, &sinfo->channels) == -1) {
-+ return CUBEB_ERROR;
-+ }
-+ if (ioctl(fd, SNDCTL_DSP_SETFMT, &sinfo->fmt) == -1) {
-+ return CUBEB_ERROR;
-+ }
-+ if (ioctl(fd, SNDCTL_DSP_SPEED, &sinfo->sample_rate) == -1) {
-+ return CUBEB_ERROR;
-+ }
-+ /* Mono layout is an exception */
-+ if (params->layout != CUBEB_LAYOUT_UNDEFINED && params->layout != CUBEB_LAYOUT_MONO) {
-+ chnorder = oss_cubeb_layout_to_chnorder(params->layout);
-+ if (ioctl(fd, SNDCTL_DSP_SET_CHNORDER, &chnorder) == -1)
-+ LOG("Non-fatal error %d occured when setting channel order.", errno);
-+ }
-+ return CUBEB_OK;
-+}
-+
-+static int
-+oss_stream_stop(cubeb_stream * s)
-+{
-+ pthread_mutex_lock(&s->mtx);
-+ if (s->thread_created && s->running) {
-+ s->running = false;
-+ s->doorbell = false;
-+ pthread_cond_wait(&s->stopped_cv, &s->mtx);
-+ }
-+ if (s->state != CUBEB_STATE_STOPPED) {
-+ s->state = CUBEB_STATE_STOPPED;
-+ pthread_mutex_unlock(&s->mtx);
-+ s->state_cb(s, s->user_ptr, CUBEB_STATE_STOPPED);
-+ } else {
-+ pthread_mutex_unlock(&s->mtx);
-+ }
-+ return CUBEB_OK;
-+}
-+
-+static void
-+oss_stream_destroy(cubeb_stream * s)
-+{
-+ pthread_mutex_lock(&s->mtx);
-+ if (s->thread_created) {
-+ s->destroying = true;
-+ s->doorbell = true;
-+ pthread_cond_signal(&s->doorbell_cv);
-+ }
-+ pthread_mutex_unlock(&s->mtx);
-+ pthread_join(s->thread, NULL);
-+
-+ pthread_cond_destroy(&s->doorbell_cv);
-+ pthread_cond_destroy(&s->stopped_cv);
-+ pthread_mutex_destroy(&s->mtx);
-+ if (s->play.fd != -1) {
-+ close(s->play.fd);
-+ }
-+ if (s->record.fd != -1) {
-+ close(s->record.fd);
-+ }
-+ free(s->play.buf);
-+ free(s->record.buf);
-+ free(s);
-+}
-+
-+static void
-+oss_float_to_linear32(void * buf, unsigned sample_count, float vol)
-+{
-+ float * in = buf;
-+ int32_t * out = buf;
-+ int32_t * tail = out + sample_count;
-+
-+ while (out < tail) {
-+ int64_t f = *(in++) * vol * 0x80000000LL;
-+ if (f < -INT32_MAX)
-+ f = -INT32_MAX;
-+ else if (f > INT32_MAX)
-+ f = INT32_MAX;
-+ *(out++) = f;
-+ }
-+}
-+
-+static void
-+oss_linear32_to_float(void * buf, unsigned sample_count)
-+{
-+ int32_t * in = buf;
-+ float * out = buf;
-+ float * tail = out + sample_count;
-+
-+ while (out < tail) {
-+ *(out++) = (1.0 / 0x80000000LL) * *(in++);
-+ }
-+}
-+
-+static void
-+oss_linear16_set_vol(int16_t * buf, unsigned sample_count, float vol)
-+{
-+ unsigned i;
-+ int32_t multiplier = vol * 0x8000;
-+
-+ for (i = 0; i < sample_count; ++i) {
-+ buf[i] = (buf[i] * multiplier) >> 15;
-+ }
-+}
-+
-+/* 1 - Stopped by cubeb_stream_stop, otherwise 0 */
-+static int
-+oss_audio_loop(cubeb_stream * s, cubeb_state *new_state)
-+{
-+ cubeb_state state = CUBEB_STATE_STOPPED;
-+ int trig = 0;
-+ int drain = 0;
-+ struct pollfd pfds[2];
-+ unsigned int ppending, rpending;
-+
-+ pfds[0].fd = s->play.fd;
-+ pfds[0].events = POLLOUT;
-+ pfds[1].fd = s->record.fd;
-+ pfds[1].events = POLLIN;
-+
-+ ppending = 0;
-+ rpending = s->bufframes;
-+
-+ if (s->record.fd != -1) {
-+ if (ioctl(s->record.fd, SNDCTL_DSP_SETTRIGGER, &trig)) {
-+ LOG("Error %d occured when setting trigger on record fd", errno);
-+ state = CUBEB_STATE_ERROR;
-+ goto breakdown;
-+ }
-+ trig |= PCM_ENABLE_INPUT;
-+ if (ioctl(s->record.fd, SNDCTL_DSP_SETTRIGGER, &trig)) {
-+ LOG("Error %d occured when setting trigger on record fd", errno);
-+ state = CUBEB_STATE_ERROR;
-+ goto breakdown;
-+ }
-+ memset(s->record.buf, 0, s->bufframes * s->record.frame_size);
-+ }
-+
-+ while (1) {
-+ long nfr = 0;
-+
-+ pthread_mutex_lock(&s->mtx);
-+ if (!s->running || s->destroying) {
-+ pthread_mutex_unlock(&s->mtx);
-+ break;
-+ }
-+ pthread_mutex_unlock(&s->mtx);
-+ if (s->play.fd == -1 && s->record.fd == -1) {
-+ /*
-+ * Stop here if the stream is not play & record stream,
-+ * play-only stream or record-only stream
-+ */
-+
-+ goto breakdown;
-+ }
-+
-+ while ((s->bufframes - ppending) >= s->nfr && rpending >= s->nfr) {
-+ long n = ((s->bufframes - ppending) < rpending) ? s->bufframes - ppending : rpending;
-+ char *rptr = NULL, *pptr = NULL;
-+ if (s->record.fd != -1)
-+ rptr = (char *)s->record.buf;
-+ if (s->play.fd != -1)
-+ pptr = (char *)s->play.buf + ppending * s->play.frame_size;
-+ if (s->record.fd != -1 && s->record.floating) {
-+ oss_linear32_to_float(s->record.buf, s->record.info.channels * n);
-+ }
-+ nfr = s->data_cb(s, s->user_ptr, rptr, pptr, n);
-+ if (nfr == CUBEB_ERROR) {
-+ state = CUBEB_STATE_ERROR;
-+ goto breakdown;
-+ }
-+ if (pptr) {
-+ float vol;
-+
-+ pthread_mutex_lock(&s->mtx);
-+ vol = s->volume;
-+ pthread_mutex_unlock(&s->mtx);
-+
-+ if (s->play.floating) {
-+ oss_float_to_linear32(pptr, s->play.info.channels * nfr, vol);
-+ } else {
-+ oss_linear16_set_vol((int16_t *)pptr, s->play.info.channels * nfr, vol);
-+ }
-+ }
-+ if (pptr) {
-+ ppending += nfr;
-+ assert(ppending <= s->bufframes);
-+ }
-+ if (rptr) {
-+ assert(rpending >= nfr);
-+ rpending -= nfr;
-+ memmove(rptr, rptr + nfr * s->record.frame_size,
-+ (s->bufframes - nfr) * s->record.frame_size);
-+ }
-+ if (nfr < n) {
-+ if (s->play.fd != -1) {
-+ drain = 1;
-+ break;
-+ } else {
-+ /*
-+ * This is a record-only stream and number of frames
-+ * returned from data_cb() is smaller than number
-+ * of frames required to read. Stop here.
-+ */
-+
-+ state = CUBEB_STATE_STOPPED;
-+ goto breakdown;
-+ }
-+ }
-+ }
-+
-+ ssize_t n, frames;
-+ int nfds;
-+
-+ pfds[0].revents = 0;
-+ pfds[1].revents = 0;
-+
-+ nfds = poll(pfds, 2, 1000);
-+ if (nfds == -1) {
-+ if (errno == EINTR)
-+ continue;
-+ LOG("Error %d occured when polling playback and record fd", errno);
-+ state = CUBEB_STATE_ERROR;
-+ goto breakdown;
-+ } else if (nfds == 0)
-+ continue;
-+
-+ if ((pfds[0].revents & (POLLERR | POLLHUP)) ||
-+ (pfds[1].revents & (POLLERR | POLLHUP))) {
-+ LOG("Error occured on playback, record fds");
-+ state = CUBEB_STATE_ERROR;
-+ goto breakdown;
-+ }
-+
-+ if (pfds[0].revents) {
-+ while (ppending > 0) {
-+ size_t bytes = ppending * s->play.frame_size;
-+ if ((n = write(s->play.fd, (uint8_t *)s->play.buf, bytes)) < 0) {
-+ if (errno == EINTR)
-+ continue;
-+ if (errno == EAGAIN) {
-+ if (drain)
-+ continue;
-+ break;
-+ }
-+ state = CUBEB_STATE_ERROR;
-+ goto breakdown;
-+ }
-+ frames = n / s->play.frame_size;
-+ pthread_mutex_lock(&s->mtx);
-+ s->frames_written += frames;
-+ pthread_mutex_unlock(&s->mtx);
-+ ppending -= frames;
-+ memmove(s->play.buf, (uint8_t *)s->play.buf + n,
-+ (s->bufframes - frames) * s->play.frame_size);
-+ }
-+ }
-+ if (pfds[1].revents) {
-+ while (s->bufframes - rpending > 0) {
-+ size_t bytes = (s->bufframes - rpending) * s->record.frame_size;
-+ size_t read_ofs = rpending * s->record.frame_size;
-+ if ((n = read(s->record.fd, (uint8_t *)s->record.buf + read_ofs, bytes)) < 0) {
-+ if (errno == EINTR)
-+ continue;
-+ if (errno == EAGAIN)
-+ break;
-+ state = CUBEB_STATE_ERROR;
-+ goto breakdown;
-+ }
-+ frames = n / s->record.frame_size;
-+ rpending += frames;
-+ }
-+ }
-+ if (drain) {
-+ state = CUBEB_STATE_DRAINED;
-+ goto breakdown;
-+ }
-+ }
-+
-+ return 1;
-+
-+breakdown:
-+ pthread_mutex_lock(&s->mtx);
-+ *new_state = s->state = state;
-+ s->running = false;
-+ pthread_mutex_unlock(&s->mtx);
-+ return 0;
-+}
-+
-+static void *
-+oss_io_routine(void *arg)
-+{
-+ cubeb_stream *s = arg;
-+ cubeb_state new_state;
-+ int stopped;
-+
-+ do {
-+ pthread_mutex_lock(&s->mtx);
-+ if (s->destroying) {
-+ pthread_mutex_unlock(&s->mtx);
-+ break;
-+ }
-+ pthread_mutex_unlock(&s->mtx);
-+
-+ stopped = oss_audio_loop(s, &new_state);
-+ if (s->record.fd != -1)
-+ ioctl(s->record.fd, SNDCTL_DSP_HALT_INPUT, NULL);
-+ if (!stopped)
-+ s->state_cb(s, s->user_ptr, new_state);
-+
-+ pthread_mutex_lock(&s->mtx);
-+ pthread_cond_signal(&s->stopped_cv);
-+ if (s->destroying) {
-+ pthread_mutex_unlock(&s->mtx);
-+ break;
-+ }
-+ while (!s->doorbell) {
-+ pthread_cond_wait(&s->doorbell_cv, &s->mtx);
-+ }
-+ s->doorbell = false;
-+ pthread_mutex_unlock(&s->mtx);
-+ } while (1);
-+
-+ pthread_mutex_lock(&s->mtx);
-+ s->thread_created = false;
-+ pthread_mutex_unlock(&s->mtx);
-+ return NULL;
-+}
-+
-+static inline int
-+oss_calc_frag_shift(unsigned int frames, unsigned int frame_size)
-+{
-+ int n = 4;
-+ int blksize = (frames * frame_size + OSS_NFRAGS - 1) / OSS_NFRAGS;
-+ while ((1 << n) < blksize)
-+ n++;
-+ return n;
-+}
-+
-+static inline int
-+oss_get_frag_params(unsigned int shift)
-+{
-+ return (OSS_NFRAGS << 16) | shift;
-+}
-+
-+static int
-+oss_stream_init(cubeb * context,
-+ cubeb_stream ** stream,
-+ char const * stream_name,
-+ cubeb_devid input_device,
-+ cubeb_stream_params * input_stream_params,
-+ cubeb_devid output_device,
-+ cubeb_stream_params * output_stream_params,
-+ unsigned int latency_frames,
-+ cubeb_data_callback data_callback,
-+ cubeb_state_callback state_callback,
-+ void * user_ptr)
-+{
-+ int ret = CUBEB_OK;
-+ unsigned int playnfr = 0, recnfr = 0;
-+ cubeb_stream *s = NULL;
-+ const char *defdsp;
-+
-+ if (!(defdsp = getenv(ENV_AUDIO_DEVICE)) || *defdsp == '\0')
-+ defdsp = OSS_DEFAULT_DEVICE;
-+
-+ (void)stream_name;
-+ if ((s = calloc(1, sizeof(cubeb_stream))) == NULL) {
-+ ret = CUBEB_ERROR;
-+ goto error;
-+ }
-+ s->state = CUBEB_STATE_STOPPED;
-+ s->record.fd = s->play.fd = -1;
-+ s->nfr = latency_frames;
-+ if (input_device != NULL) {
-+ strlcpy(s->record.name, input_device, sizeof(s->record.name));
-+ } else {
-+ strlcpy(s->record.name, defdsp, sizeof(s->record.name));
-+ }
-+ if (output_device != NULL) {
-+ strlcpy(s->play.name, output_device, sizeof(s->play.name));
-+ } else {
-+ strlcpy(s->play.name, defdsp, sizeof(s->play.name));
-+ }
-+ if (input_stream_params != NULL) {
-+ unsigned int nb_channels;
-+ if (input_stream_params->prefs & CUBEB_STREAM_PREF_LOOPBACK) {
-+ LOG("Loopback not supported");
-+ ret = CUBEB_ERROR_NOT_SUPPORTED;
-+ goto error;
-+ }
-+ nb_channels = cubeb_channel_layout_nb_channels(input_stream_params->layout);
-+ if (input_stream_params->layout != CUBEB_LAYOUT_UNDEFINED &&
-+ nb_channels != input_stream_params->channels) {
-+ LOG("input_stream_params->layout does not match input_stream_params->channels");
-+ ret = CUBEB_ERROR_INVALID_PARAMETER;
-+ goto error;
-+ }
-+ if (s->record.fd == -1) {
-+ if ((s->record.fd = open(s->record.name, O_RDONLY | O_NONBLOCK)) == -1) {
-+ LOG("Audio device \"%s\" could not be opened as read-only",
-+ s->record.name);
-+ ret = CUBEB_ERROR_DEVICE_UNAVAILABLE;
-+ goto error;
-+ }
-+ }
-+ if ((ret = oss_copy_params(s->record.fd, s, input_stream_params,
-+ &s->record.info)) != CUBEB_OK) {
-+ LOG("Setting record params failed");
-+ goto error;
-+ }
-+ s->record.floating = (input_stream_params->format == CUBEB_SAMPLE_FLOAT32NE);
-+ s->record.frame_size = s->record.info.channels * (s->record.info.precision / 8);
-+ recnfr = (1 << oss_calc_frag_shift(s->nfr, s->record.frame_size)) / s->record.frame_size;
-+ }
-+ if (output_stream_params != NULL) {
-+ unsigned int nb_channels;
-+ if (output_stream_params->prefs & CUBEB_STREAM_PREF_LOOPBACK) {
-+ LOG("Loopback not supported");
-+ ret = CUBEB_ERROR_NOT_SUPPORTED;
-+ goto error;
-+ }
-+ nb_channels = cubeb_channel_layout_nb_channels(output_stream_params->layout);
-+ if (output_stream_params->layout != CUBEB_LAYOUT_UNDEFINED &&
-+ nb_channels != output_stream_params->channels) {
-+ LOG("output_stream_params->layout does not match output_stream_params->channels");
-+ ret = CUBEB_ERROR_INVALID_PARAMETER;
-+ goto error;
-+ }
-+ if (s->play.fd == -1) {
-+ if ((s->play.fd = open(s->play.name, O_WRONLY | O_NONBLOCK)) == -1) {
-+ LOG("Audio device \"%s\" could not be opened as write-only",
-+ s->play.name);
-+ ret = CUBEB_ERROR_DEVICE_UNAVAILABLE;
-+ goto error;
-+ }
-+ }
-+ if ((ret = oss_copy_params(s->play.fd, s, output_stream_params,
-+ &s->play.info)) != CUBEB_OK) {
-+ LOG("Setting play params failed");
-+ goto error;
-+ }
-+ s->play.floating = (output_stream_params->format == CUBEB_SAMPLE_FLOAT32NE);
-+ s->play.frame_size = s->play.info.channels * (s->play.info.precision / 8);
-+ playnfr = (1 << oss_calc_frag_shift(s->nfr, s->play.frame_size)) / s->play.frame_size;
-+ }
-+ /* Use the largest nframes among playing and recording streams */
-+ s->nfr = (playnfr > recnfr) ? playnfr : recnfr;
-+ s->nfrags = OSS_NFRAGS;
-+ s->bufframes = s->nfr * s->nfrags;
-+ if (s->play.fd != -1) {
-+ int frag = oss_get_frag_params(oss_calc_frag_shift(s->nfr, s->play.frame_size));
-+ if (ioctl(s->record.fd, SNDCTL_DSP_SETFRAGMENT, &frag))
-+ LOG("Failed to set record fd with SNDCTL_DSP_SETFRAGMENT. frag: 0x%x",
-+ frag);
-+ }
-+ if (s->record.fd != -1) {
-+ int frag = oss_get_frag_params(oss_calc_frag_shift(s->nfr, s->record.frame_size));
-+ if (ioctl(s->record.fd, SNDCTL_DSP_SETFRAGMENT, &frag))
-+ LOG("Failed to set record fd with SNDCTL_DSP_SETFRAGMENT. frag: 0x%x",
-+ frag);
-+ }
-+ s->context = context;
-+ s->volume = 1.0;
-+ s->state_cb = state_callback;
-+ s->data_cb = data_callback;
-+ s->user_ptr = user_ptr;
-+
-+ if (pthread_mutex_init(&s->mtx, NULL) != 0) {
-+ LOG("Failed to create mutex");
-+ goto error;
-+ }
-+ if (pthread_cond_init(&s->doorbell_cv, NULL) != 0) {
-+ LOG("Failed to create cv");
-+ goto error;
-+ }
-+ if (pthread_cond_init(&s->stopped_cv, NULL) != 0) {
-+ LOG("Failed to create cv");
-+ goto error;
-+ }
-+ s->doorbell = false;
-+
-+ if (s->play.fd != -1) {
-+ if ((s->play.buf = calloc(s->bufframes, s->play.frame_size)) == NULL) {
-+ ret = CUBEB_ERROR;
-+ goto error;
-+ }
-+ }
-+ if (s->record.fd != -1) {
-+ if ((s->record.buf = calloc(s->bufframes, s->record.frame_size)) == NULL) {
-+ ret = CUBEB_ERROR;
-+ goto error;
-+ }
-+ }
-+
-+ *stream = s;
-+ return CUBEB_OK;
-+error:
-+ if (s != NULL) {
-+ oss_stream_destroy(s);
-+ }
-+ return ret;
-+}
-+
-+static int
-+oss_stream_thr_create(cubeb_stream * s)
-+{
-+ if (s->thread_created) {
-+ s->doorbell = true;
-+ pthread_cond_signal(&s->doorbell_cv);
-+ return CUBEB_OK;
-+ }
-+
-+ if (pthread_create(&s->thread, NULL, oss_io_routine, s) != 0) {
-+ LOG("Couldn't create thread");
-+ return CUBEB_ERROR;
-+ }
-+
-+ return CUBEB_OK;
-+}
-+
-+static int
-+oss_stream_start(cubeb_stream * s)
-+{
-+ s->state_cb(s, s->user_ptr, CUBEB_STATE_STARTED);
-+ pthread_mutex_lock(&s->mtx);
-+ /* Disallow starting an already started stream */
-+ assert(!s->running && s->state != CUBEB_STATE_STARTED);
-+ if (oss_stream_thr_create(s) != CUBEB_OK) {
-+ pthread_mutex_unlock(&s->mtx);
-+ s->state_cb(s, s->user_ptr, CUBEB_STATE_ERROR);
-+ return CUBEB_ERROR;
-+ }
-+ s->state = CUBEB_STATE_STARTED;
-+ s->thread_created = true;
-+ s->running = true;
-+ pthread_mutex_unlock(&s->mtx);
-+ return CUBEB_OK;
-+}
-+
-+static int
-+oss_stream_get_position(cubeb_stream * s, uint64_t * position)
-+{
-+ pthread_mutex_lock(&s->mtx);
-+ *position = s->frames_written;
-+ pthread_mutex_unlock(&s->mtx);
-+ return CUBEB_OK;
-+}
-+
-+static int
-+oss_stream_get_latency(cubeb_stream * s, uint32_t * latency)
-+{
-+ int delay;
-+
-+ if (ioctl(s->play.fd, SNDCTL_DSP_GETODELAY, &delay) == -1) {
-+ return CUBEB_ERROR;
-+ }
-+
-+ /* Return number of frames there */
-+ *latency = delay / s->play.frame_size;
-+ return CUBEB_OK;
-+}
-+
-+static int
-+oss_stream_set_volume(cubeb_stream * stream, float volume)
-+{
-+ if (volume < 0.0)
-+ volume = 0.0;
-+ else if (volume > 1.0)
-+ volume = 1.0;
-+ pthread_mutex_lock(&stream->mtx);
-+ stream->volume = volume;
-+ pthread_mutex_unlock(&stream->mtx);
-+ return CUBEB_OK;
-+}
-+
-+static int
-+oss_get_current_device(cubeb_stream * stream, cubeb_device ** const device)
-+{
-+ *device = calloc(1, sizeof(cubeb_device));
-+ if (*device == NULL) {
-+ return CUBEB_ERROR;
-+ }
-+ (*device)->input_name = stream->record.fd != -1 ?
-+ strdup(stream->record.name) : NULL;
-+ (*device)->output_name = stream->play.fd != -1 ?
-+ strdup(stream->play.name) : NULL;
-+ return CUBEB_OK;
-+}
-+
-+static int
-+oss_stream_device_destroy(cubeb_stream * stream, cubeb_device * device)
-+{
-+ (void)stream;
-+ free(device->input_name);
-+ free(device->output_name);
-+ free(device);
-+ return CUBEB_OK;
-+}
-+
-+static struct cubeb_ops const oss_ops = {
-+ .init = oss_init,
-+ .get_backend_id = oss_get_backend_id,
-+ .get_max_channel_count = oss_get_max_channel_count,
-+ .get_min_latency = oss_get_min_latency,
-+ .get_preferred_sample_rate = oss_get_preferred_sample_rate,
-+ .enumerate_devices = oss_enumerate_devices,
-+ .device_collection_destroy = oss_device_collection_destroy,
-+ .destroy = oss_destroy,
-+ .stream_init = oss_stream_init,
-+ .stream_destroy = oss_stream_destroy,
-+ .stream_start = oss_stream_start,
-+ .stream_stop = oss_stream_stop,
-+ .stream_reset_default_device = NULL,
-+ .stream_get_position = oss_stream_get_position,
-+ .stream_get_latency = oss_stream_get_latency,
-+ .stream_get_input_latency = NULL,
-+ .stream_set_volume = oss_stream_set_volume,
-+ .stream_get_current_device = oss_get_current_device,
-+ .stream_device_destroy = oss_stream_device_destroy,
-+ .stream_register_device_changed_callback = NULL,
-+ .register_device_collection_changed = NULL};