/***
This file is part of PulseAudio.
-
+
+ Copyright 2006 Lennart Poettering
+ Copyright 2006-2007 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
# define SIOCINQ FIONREAD
#endif
+/* make sure gcc doesn't redefine open and friends as macros */
+#undef open
+#undef open64
+
typedef enum {
FD_INFO_MIXER,
FD_INFO_STREAM,
pthread_mutex_t mutex;
int ref;
int unusable;
-
+
fd_info_type_t type;
int app_fd, thread_fd;
pa_context *context;
pa_stream *play_stream;
pa_stream *rec_stream;
+ int play_precork;
+ int rec_precork;
pa_io_event *io_event;
pa_io_event_flags_t io_flags;
int volume_modify_count;
int optr_n_blocks;
-
+
PA_LLIST_FIELDS(fd_info);
};
static int (*_close)(int) = NULL;
static int (*_open)(const char *, int, mode_t) = NULL;
static FILE* (*_fopen)(const char *path, const char *mode) = NULL;
+static int (*_stat)(const char *, struct stat *) = NULL;
+#ifdef _STAT_VER
+static int (*___xstat)(int, const char *, struct stat *) = NULL;
+#endif
#ifdef HAVE_OPEN64
static int (*_open64)(const char *, int, mode_t) = NULL;
static FILE* (*_fopen64)(const char *path, const char *mode) = NULL;
+static int (*_stat64)(const char *, struct stat64 *) = NULL;
+#ifdef _STAT_VER
+static int (*___xstat64)(int, const char *, struct stat64 *) = NULL;
+#endif
#endif
static int (*_fclose)(FILE *f) = NULL;
static int (*_access)(const char *, int) = NULL;
pthread_mutex_unlock(&func_mutex); \
} while(0)
+#define LOAD_STAT_FUNC() \
+do { \
+ pthread_mutex_lock(&func_mutex); \
+ if (!_stat) \
+ _stat = (int (*)(const char *, struct stat *)) dlsym_fn(RTLD_NEXT, "stat"); \
+ pthread_mutex_unlock(&func_mutex); \
+} while(0)
+
+#define LOAD_STAT64_FUNC() \
+do { \
+ pthread_mutex_lock(&func_mutex); \
+ if (!_stat64) \
+ _stat64 = (int (*)(const char *, struct stat64 *)) dlsym_fn(RTLD_NEXT, "stat64"); \
+ pthread_mutex_unlock(&func_mutex); \
+} while(0)
+
+#define LOAD_XSTAT_FUNC() \
+do { \
+ pthread_mutex_lock(&func_mutex); \
+ if (!___xstat) \
+ ___xstat = (int (*)(int, const char *, struct stat *)) dlsym_fn(RTLD_NEXT, "__xstat"); \
+ pthread_mutex_unlock(&func_mutex); \
+} while(0)
+
+#define LOAD_XSTAT64_FUNC() \
+do { \
+ pthread_mutex_lock(&func_mutex); \
+ if (!___xstat64) \
+ ___xstat64 = (int (*)(int, const char *, struct stat64 *)) dlsym_fn(RTLD_NEXT, "__xstat64"); \
+ pthread_mutex_unlock(&func_mutex); \
+} while(0)
+
#define LOAD_FOPEN_FUNC() \
do { \
pthread_mutex_lock(&func_mutex); \
#define CONTEXT_CHECK_DEAD_GOTO(i, label) do { \
if (!(i)->context || pa_context_get_state((i)->context) != PA_CONTEXT_READY) { \
- debug(DEBUG_LEVEL_NORMAL, __FILE__": Not connected: %s", (i)->context ? pa_strerror(pa_context_errno((i)->context)) : "NULL"); \
+ debug(DEBUG_LEVEL_NORMAL, __FILE__": Not connected: %s\n", (i)->context ? pa_strerror(pa_context_errno((i)->context)) : "NULL"); \
goto label; \
} \
-} while(0);
+} while(0)
#define PLAYBACK_STREAM_CHECK_DEAD_GOTO(i, label) do { \
if (!(i)->context || pa_context_get_state((i)->context) != PA_CONTEXT_READY || \
!(i)->play_stream || pa_stream_get_state((i)->play_stream) != PA_STREAM_READY) { \
- debug(DEBUG_LEVEL_NORMAL, __FILE__": Not connected: %s", (i)->context ? pa_strerror(pa_context_errno((i)->context)) : "NULL"); \
+ debug(DEBUG_LEVEL_NORMAL, __FILE__": Not connected: %s\n", (i)->context ? pa_strerror(pa_context_errno((i)->context)) : "NULL"); \
goto label; \
} \
-} while(0);
+} while(0)
#define RECORD_STREAM_CHECK_DEAD_GOTO(i, label) do { \
if (!(i)->context || pa_context_get_state((i)->context) != PA_CONTEXT_READY || \
!(i)->rec_stream || pa_stream_get_state((i)->rec_stream) != PA_STREAM_READY) { \
- debug(DEBUG_LEVEL_NORMAL, __FILE__": Not connected: %s", (i)->context ? pa_strerror(pa_context_errno((i)->context)) : "NULL"); \
+ debug(DEBUG_LEVEL_NORMAL, __FILE__": Not connected: %s\n", (i)->context ? pa_strerror(pa_context_errno((i)->context)) : "NULL"); \
goto label; \
} \
-} while(0);
+} while(0)
static void debug(int level, const char *format, ...) PA_GCC_PRINTF_ATTR(2,3);
-#define DEBUG_LEVEL_ALWAYS 0
-#define DEBUG_LEVEL_NORMAL 1
-#define DEBUG_LEVEL_VERBOSE 2
+#define DEBUG_LEVEL_ALWAYS 0
+#define DEBUG_LEVEL_NORMAL 1
+#define DEBUG_LEVEL_VERBOSE 2
static void debug(int level, const char *format, ...) {
va_list ap;
* -> disable /dev/dsp emulation, bit 2 -> disable /dev/sndstat
* emulation, bit 3 -> disable /dev/mixer emulation. Hence a value
* of 7 disables padsp entirely. */
-
+
pthread_mutex_lock(&func_mutex);
if (!sym_resolved) {
sym = (int*) dlsym(RTLD_DEFAULT, "__padsp_disabled__");
if (!sym)
return 0;
-
+
return *sym;
}
static int dsp_cloak_enable(void) {
if (padsp_disabled() & 1)
return 0;
-
+
if (getenv("PADSP_NO_DSP"))
return 0;
/* Avoid recursive calls */
static pthread_once_t recursion_key_once = PTHREAD_ONCE_INIT;
pthread_once(&recursion_key_once, recursion_key_alloc);
-
+
if (pthread_getspecific(recursion_key))
return 0;
debug(DEBUG_LEVEL_NORMAL, __FILE__": freeing fd info (fd=%i)\n", i->app_fd);
dsp_drain(i);
-
+
if (i->mainloop)
pa_threaded_mainloop_stop(i->mainloop);
-
+
if (i->play_stream) {
pa_stream_disconnect(i->play_stream);
pa_stream_unref(i->play_stream);
pa_context_disconnect(i->context);
pa_context_unref(i->context);
}
-
+
if (i->mainloop)
pa_threaded_mainloop_free(i->mainloop);
static fd_info *fd_info_ref(fd_info *i) {
assert(i);
-
+
pthread_mutex_lock(&i->mutex);
assert(i->ref >= 1);
i->ref++;
pthread_mutex_lock(&i->mutex);
assert(i->ref >= 1);
r = --i->ref;
- debug(DEBUG_LEVEL_VERBOSE, __FILE__": ref--, now %i\n", i->ref);
+ debug(DEBUG_LEVEL_VERBOSE, __FILE__": ref--, now %i\n", i->ref);
pthread_mutex_unlock(&i->mutex);
if (r <= 0)
static void reset_params(fd_info *i) {
assert(i);
-
+
i->sample_spec.format = PA_SAMPLE_U8;
i->sample_spec.channels = 1;
i->sample_spec.rate = 8000;
if ((e = getenv("PADSP_CLIENT_NAME")))
return e;
-
+
if (pa_get_binary_name(p, sizeof(p)))
snprintf(buf, n, "OSS Emulation[%s]", p);
else
fd_info *i;
debug(DEBUG_LEVEL_NORMAL, __FILE__": atfork_prepare() enter\n");
-
+
function_enter();
pthread_mutex_lock(&fd_infos_mutex);
pthread_mutex_lock(&func_mutex);
-
+
debug(DEBUG_LEVEL_NORMAL, __FILE__": atfork_prepare() exit\n");
}
static void atfork_parent(void) {
fd_info *i;
-
+
debug(DEBUG_LEVEL_NORMAL, __FILE__": atfork_parent() enter\n");
pthread_mutex_unlock(&func_mutex);
pthread_mutex_unlock(&fd_infos_mutex);
function_exit();
-
+
debug(DEBUG_LEVEL_NORMAL, __FILE__": atfork_parent() exit\n");
}
static void atfork_child(void) {
fd_info *i;
-
+
debug(DEBUG_LEVEL_NORMAL, __FILE__": atfork_child() enter\n");
/* We do only the bare minimum to get all fds closed */
pthread_mutex_init(&func_mutex, NULL);
pthread_mutex_init(&fd_infos_mutex, NULL);
-
+
for (i = fd_infos; i; i = i->next) {
pthread_mutex_init(&i->mutex, NULL);
signal(SIGPIPE, SIG_IGN); /* Yes, ugly as hell */
pthread_once(&install_atfork_once, install_atfork);
-
+
if (!(i = malloc(sizeof(fd_info)))) {
*_errno = ENOMEM;
goto fail;
i->context = NULL;
i->play_stream = NULL;
i->rec_stream = NULL;
+ i->play_precork = 0;
+ i->rec_precork = 0;
i->io_event = NULL;
i->io_flags = 0;
pthread_mutex_init(&i->mutex, NULL);
unlock_and_fail:
pa_threaded_mainloop_unlock(i->mainloop);
-
+
fail:
if (i)
fd_info_unref(i);
-
+
return NULL;
}
fd_info *i;
pthread_mutex_lock(&fd_infos_mutex);
-
+
for (i = fd_infos; i; i = i->next)
if (i->app_fd == fd && !i->unusable) {
fd_info_ref(i);
}
pthread_mutex_unlock(&fd_infos_mutex);
-
+
return i;
}
case PA_STREAM_READY:
debug(DEBUG_LEVEL_NORMAL, __FILE__": stream established.\n");
break;
-
+
case PA_STREAM_FAILED:
- debug(DEBUG_LEVEL_NORMAL, __FILE__": pa_stream_connect_playback() failed: %s\n", pa_strerror(pa_context_errno(i->context)));
+ if (s == i->play_stream) {
+ debug(DEBUG_LEVEL_NORMAL,
+ __FILE__": pa_stream_connect_playback() failed: %s\n",
+ pa_strerror(pa_context_errno(i->context)));
+ pa_stream_unref(i->play_stream);
+ i->play_stream = NULL;
+ } else if (s == i->rec_stream) {
+ debug(DEBUG_LEVEL_NORMAL,
+ __FILE__": pa_stream_connect_record() failed: %s\n",
+ pa_strerror(pa_context_errno(i->context)));
+ pa_stream_unref(i->rec_stream);
+ i->rec_stream = NULL;
+ }
fd_info_shutdown(i);
break;
static int create_playback_stream(fd_info *i) {
pa_buffer_attr attr;
- int n;
-
+ int n, flags;
+
assert(i);
fix_metrics(i);
attr.tlength = i->fragment_size * i->n_fragments;
attr.prebuf = i->fragment_size;
attr.minreq = i->fragment_size;
-
- if (pa_stream_connect_playback(i->play_stream, NULL, &attr, PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_AUTO_TIMING_UPDATE, NULL, NULL) < 0) {
+
+ flags = PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_AUTO_TIMING_UPDATE;
+ if (i->play_precork) {
+ flags |= PA_STREAM_START_CORKED;
+ debug(DEBUG_LEVEL_NORMAL, __FILE__": creating stream corked\n");
+ }
+ if (pa_stream_connect_playback(i->play_stream, NULL, &attr, flags, NULL, NULL) < 0) {
debug(DEBUG_LEVEL_NORMAL, __FILE__": pa_stream_connect_playback() failed: %s\n", pa_strerror(pa_context_errno(i->context)));
goto fail;
}
setsockopt(i->app_fd, SOL_SOCKET, SO_SNDBUF, &n, sizeof(n));
n = i->fragment_size;
setsockopt(i->thread_fd, SOL_SOCKET, SO_RCVBUF, &n, sizeof(n));
-
+
return 0;
fail:
static int create_record_stream(fd_info *i) {
pa_buffer_attr attr;
- int n;
-
+ int n, flags;
+
assert(i);
fix_metrics(i);
memset(&attr, 0, sizeof(attr));
attr.maxlength = i->fragment_size * (i->n_fragments+1);
attr.fragsize = i->fragment_size;
-
- if (pa_stream_connect_record(i->rec_stream, NULL, &attr, PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_AUTO_TIMING_UPDATE) < 0) {
- debug(DEBUG_LEVEL_NORMAL, __FILE__": pa_stream_connect_playback() failed: %s\n", pa_strerror(pa_context_errno(i->context)));
+
+ flags = PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_AUTO_TIMING_UPDATE;
+ if (i->rec_precork) {
+ flags |= PA_STREAM_START_CORKED;
+ debug(DEBUG_LEVEL_NORMAL, __FILE__": creating stream corked\n");
+ }
+ if (pa_stream_connect_record(i->rec_stream, NULL, &attr, flags) < 0) {
+ debug(DEBUG_LEVEL_NORMAL, __FILE__": pa_stream_connect_record() failed: %s\n", pa_strerror(pa_context_errno(i->context)));
goto fail;
}
setsockopt(i->app_fd, SOL_SOCKET, SO_RCVBUF, &n, sizeof(n));
n = i->fragment_size;
setsockopt(i->thread_fd, SOL_SOCKET, SO_SNDBUF, &n, sizeof(n));
-
+
return 0;
fail:
fd_info *i = userdata;
pa_threaded_mainloop_signal(i->mainloop, 0);
-
+
if (flags & PA_IO_EVENT_INPUT) {
if (!i->play_stream) {
if (fd_info_copy_data(i, 0) < 0)
goto fail;
}
-
+
} else if (flags & PA_IO_EVENT_OUTPUT) {
if (!i->rec_stream) {
goto fail;
return;
-
+
fail:
/* We can't do anything better than removing the event source */
fd_info_shutdown(i);
if (!(i->io_event = api->io_new(api, i->thread_fd, i->io_flags, io_event_cb, i)))
goto fail;
-
+
pa_threaded_mainloop_unlock(i->mainloop);
debug(DEBUG_LEVEL_NORMAL, __FILE__": dsp_open() succeeded, fd=%i\n", i->app_fd);
fd_info_add_to_list(i);
ret = i->app_fd;
fd_info_unref(i);
-
+
return ret;
fail:
if (i)
fd_info_unref(i);
-
+
*_errno = EIO;
debug(DEBUG_LEVEL_NORMAL, __FILE__": dsp_open() failed\n");
if (!pa_cvolume_equal(&i->sink_volume, &si->volume))
i->volume_modify_count++;
-
+
i->sink_volume = si->volume;
i->sink_index = si->index;
if (!pa_cvolume_equal(&i->source_volume, &si->volume))
i->volume_modify_count++;
-
+
i->source_volume = si->volume;
i->source_index = si->index;
debug(DEBUG_LEVEL_NORMAL, __FILE__": mixer_open()\n");
- if (!(i = fd_info_new(FD_INFO_MIXER, _errno)))
+ if (!(i = fd_info_new(FD_INFO_MIXER, _errno)))
return -1;
-
+
pa_threaded_mainloop_lock(i->mainloop);
pa_context_set_subscribe_callback(i->context, subscribe_cb, i);
-
+
if (!(o = pa_context_subscribe(i->context, PA_SUBSCRIPTION_MASK_SINK | PA_SUBSCRIPTION_MASK_SOURCE, context_success_cb, i))) {
debug(DEBUG_LEVEL_NORMAL, __FILE__": Failed to subscribe to events: %s", pa_strerror(pa_context_errno(i->context)));
*_errno = EIO;
fd_info_add_to_list(i);
ret = i->app_fd;
fd_info_unref(i);
-
+
return ret;
fail:
if (i)
fd_info_unref(i);
-
+
*_errno = EIO;
debug(DEBUG_LEVEL_NORMAL, __FILE__": mixer_open() failed\n");
int e;
debug(DEBUG_LEVEL_NORMAL, __FILE__": sndstat_open()\n");
-
+
if (flags != O_RDONLY
#ifdef O_LARGEFILE
- && flags != (O_RDONLY|O_LARGEFILE)
+ && flags != (O_RDONLY|O_LARGEFILE)
#endif
) {
*_errno = EACCES;
return -1;
}
-int open(const char *filename, int flags, ...) {
- va_list args;
- mode_t mode = 0;
+static int real_open(const char *filename, int flags, mode_t mode) {
int r, _errno = 0;
debug(DEBUG_LEVEL_VERBOSE, __FILE__": open(%s)\n", filename);
- va_start(args, flags);
- if (flags & O_CREAT) {
- if (sizeof(mode_t) < sizeof(int))
- mode = va_arg(args, int);
- else
- mode = va_arg(args, mode_t);
- }
- va_end(args);
-
if (!function_enter()) {
LOAD_OPEN_FUNC();
return _open(filename, flags, mode);
}
- if (dsp_cloak_enable() && (strcmp(filename, "/dev/dsp") == 0 || strcmp(filename, "/dev/adsp") == 0)) {
+ if (dsp_cloak_enable() && (strcmp(filename, "/dev/dsp") == 0 || strcmp(filename, "/dev/adsp") == 0))
r = dsp_open(flags, &_errno);
- } else if (mixer_cloak_enable() && strcmp(filename, "/dev/mixer") == 0) {
+ else if (mixer_cloak_enable() && strcmp(filename, "/dev/mixer") == 0)
r = mixer_open(flags, &_errno);
- } else if (sndstat_cloak_enable() && strcmp(filename, "/dev/sndstat") == 0) {
+ else if (sndstat_cloak_enable() && strcmp(filename, "/dev/sndstat") == 0)
r = sndstat_open(flags, &_errno);
- } else {
+ else {
function_exit();
LOAD_OPEN_FUNC();
return _open(filename, flags, mode);
}
function_exit();
-
+
if (_errno)
errno = _errno;
-
+
return r;
}
+int open(const char *filename, int flags, ...) {
+ va_list args;
+ mode_t mode = 0;
+
+ if (flags & O_CREAT) {
+ va_start(args, flags);
+ if (sizeof(mode_t) < sizeof(int))
+ mode = va_arg(args, int);
+ else
+ mode = va_arg(args, mode_t);
+ va_end(args);
+ }
+
+ return real_open(filename, flags, mode);
+}
+
static int mixer_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno) {
int ret = -1;
-
+
switch (request) {
case SOUND_MIXER_READ_DEVMASK :
debug(DEBUG_LEVEL_NORMAL, __FILE__": SOUND_MIXER_READ_DEVMASK\n");
*(int*) argp = SOUND_MASK_IGAIN;
break;
-
+
case SOUND_MIXER_READ_STEREODEVS:
debug(DEBUG_LEVEL_NORMAL, __FILE__": SOUND_MIXER_READ_STEREODEVS\n");
if (i->source_volume.channels > 1)
*(int*) argp |= SOUND_MASK_IGAIN;
pa_threaded_mainloop_unlock(i->mainloop);
-
+
break;
case SOUND_MIXER_READ_RECSRC:
*(int*) argp = 0;
break;
-
+
case SOUND_MIXER_READ_PCM:
case SOUND_MIXER_READ_IGAIN: {
pa_cvolume *v;
case SOUND_MIXER_WRITE_IGAIN: {
pa_cvolume v, *pv;
- if (request == SOUND_MIXER_READ_PCM)
+ if (request == SOUND_MIXER_WRITE_PCM)
debug(DEBUG_LEVEL_NORMAL, __FILE__": SOUND_MIXER_WRITE_PCM\n");
else
debug(DEBUG_LEVEL_NORMAL, __FILE__": SOUND_MIXER_WRITE_IGAIN\n");
pa_threaded_mainloop_lock(i->mainloop);
- if (request == SOUND_MIXER_READ_PCM) {
+ if (request == SOUND_MIXER_WRITE_PCM) {
v = i->sink_volume;
pv = &i->sink_volume;
} else {
if (!pa_cvolume_equal(pv, &v)) {
pa_operation *o;
- if (request == SOUND_MIXER_READ_PCM)
+ if (request == SOUND_MIXER_WRITE_PCM)
o = pa_context_set_sink_volume_by_index(i->context, i->sink_index, pv, context_success_cb, i);
else
o = pa_context_set_source_volume_by_index(i->context, i->source_index, pv, context_success_cb, i);
i->operation_success = 0;
while (pa_operation_get_state(o) != PA_OPERATION_DONE) {
CONTEXT_CHECK_DEAD_GOTO(i, exit_loop);
-
+
pa_threaded_mainloop_wait(i->mainloop);
}
exit_loop:
-
+
if (!i->operation_success)
debug(DEBUG_LEVEL_NORMAL, __FILE__": Failed to set volume: %s\n", pa_strerror(pa_context_errno(i->context)));
pa_operation_unref(o);
}
-
+
/* We don't wait for completion here */
i->volume_modify_count++;
}
-
+
pa_threaded_mainloop_unlock(i->mainloop);
-
+
break;
}
pa_threaded_mainloop_unlock(i->mainloop);
break;
}
-
+
default:
debug(DEBUG_LEVEL_NORMAL, __FILE__": unknown ioctl 0x%08lx\n", request);
}
ret = 0;
-
+
fail:
-
+
return ret;
}
static int map_format(int *fmt, pa_sample_spec *ss) {
-
+
switch (*fmt) {
case AFMT_MU_LAW:
ss->format = PA_SAMPLE_ULAW;
break;
-
+
case AFMT_A_LAW:
ss->format = PA_SAMPLE_ALAW;
break;
-
+
case AFMT_S8:
*fmt = AFMT_U8;
/* fall through */
case AFMT_U8:
ss->format = PA_SAMPLE_U8;
break;
-
+
case AFMT_U16_BE:
*fmt = AFMT_S16_BE;
/* fall through */
case AFMT_S16_BE:
ss->format = PA_SAMPLE_S16BE;
break;
-
+
case AFMT_U16_LE:
*fmt = AFMT_S16_LE;
/* fall through */
case AFMT_S16_LE:
ss->format = PA_SAMPLE_S16LE;
break;
-
+
default:
ss->format = PA_SAMPLE_S16NE;
*fmt = AFMT_S16_NE;
static int dsp_empty_socket(fd_info *i) {
#ifdef SIOCINQ
int ret = -1;
-
+
/* Empty the socket */
for (;;) {
int l;
-
+
if (i->thread_fd < 0)
break;
-
+
if (ioctl(i->thread_fd, SIOCINQ, &l) < 0) {
debug(DEBUG_LEVEL_NORMAL, __FILE__": SIOCINQ: %s\n", strerror(errno));
break;
ret = 0;
break;
}
-
+
pa_threaded_mainloop_wait(i->mainloop);
}
if (!i->mainloop)
return 0;
-
+
debug(DEBUG_LEVEL_NORMAL, __FILE__": Draining.\n");
pa_threaded_mainloop_lock(i->mainloop);
if (dsp_empty_socket(i) < 0)
goto fail;
-
+
if (!i->play_stream)
goto fail;
debug(DEBUG_LEVEL_NORMAL, __FILE__": Really draining.\n");
-
+
if (!(o = pa_stream_drain(i->play_stream, stream_success_cb, i))) {
debug(DEBUG_LEVEL_NORMAL, __FILE__": pa_stream_drain(): %s\n", pa_strerror(pa_context_errno(i->context)));
goto fail;
i->operation_success = 0;
while (pa_operation_get_state(o) != PA_OPERATION_DONE) {
PLAYBACK_STREAM_CHECK_DEAD_GOTO(i, fail);
-
+
pa_threaded_mainloop_wait(i->mainloop);
}
}
r = 0;
-
+
fail:
-
+
if (o)
pa_operation_unref(o);
goto fail;
debug(DEBUG_LEVEL_NORMAL, __FILE__": Triggering.\n");
-
+
if (!(o = pa_stream_trigger(i->play_stream, stream_success_cb, i))) {
debug(DEBUG_LEVEL_NORMAL, __FILE__": pa_stream_trigger(): %s\n", pa_strerror(pa_context_errno(i->context)));
goto fail;
i->operation_success = 0;
while (!pa_operation_get_state(o) != PA_OPERATION_DONE) {
PLAYBACK_STREAM_CHECK_DEAD_GOTO(i, fail);
-
+
pa_threaded_mainloop_wait(i->mainloop);
}
}
r = 0;
-
+
fail:
-
+
+ if (o)
+ pa_operation_unref(o);
+
+ pa_threaded_mainloop_unlock(i->mainloop);
+
+ return 0;
+}
+
+static int dsp_cork(fd_info *i, pa_stream *s, int b) {
+ pa_operation *o = NULL;
+ int r = -1;
+
+ pa_threaded_mainloop_lock(i->mainloop);
+
+ if (!(o = pa_stream_cork(s, b, stream_success_cb, i))) {
+ debug(DEBUG_LEVEL_NORMAL, __FILE__": pa_stream_cork(): %s\n", pa_strerror(pa_context_errno(i->context)));
+ goto fail;
+ }
+
+ i->operation_success = 0;
+ while (!pa_operation_get_state(o) != PA_OPERATION_DONE) {
+ if (s == i->play_stream)
+ PLAYBACK_STREAM_CHECK_DEAD_GOTO(i, fail);
+ else if (s == i->rec_stream)
+ RECORD_STREAM_CHECK_DEAD_GOTO(i, fail);
+
+ pa_threaded_mainloop_wait(i->mainloop);
+ }
+
+ if (!i->operation_success) {
+ debug(DEBUG_LEVEL_NORMAL, __FILE__": pa_stream_cork(): %s\n", pa_strerror(pa_context_errno(i->context)));
+ goto fail;
+ }
+
+ r = 0;
+
+fail:
+
if (o)
pa_operation_unref(o);
static int dsp_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno) {
int ret = -1;
-
+
+ if (i->thread_fd == -1) {
+ /*
+ * We've encountered some fatal error and are just waiting
+ * for a close.
+ */
+ debug(DEBUG_LEVEL_NORMAL, __FILE__": got ioctl 0x%08lx in fatal error state\n", request);
+ *_errno = EIO;
+ return -1;
+ }
+
switch (request) {
case SNDCTL_DSP_SETFMT: {
debug(DEBUG_LEVEL_NORMAL, __FILE__": SNDCTL_DSP_SETFMT: %i\n", *(int*) argp);
-
+
pa_threaded_mainloop_lock(i->mainloop);
if (*(int*) argp == AFMT_QUERY)
pa_threaded_mainloop_unlock(i->mainloop);
break;
}
-
+
case SNDCTL_DSP_SPEED: {
pa_sample_spec ss;
int valid;
char t[256];
-
+
debug(DEBUG_LEVEL_NORMAL, __FILE__": SNDCTL_DSP_SPEED: %i\n", *(int*) argp);
pa_threaded_mainloop_lock(i->mainloop);
i->sample_spec = ss;
free_streams(i);
}
-
+
debug(DEBUG_LEVEL_NORMAL, __FILE__": ss: %s\n", pa_sample_spec_snprint(t, sizeof(t), &i->sample_spec));
pa_threaded_mainloop_unlock(i->mainloop);
break;
}
-
+
case SNDCTL_DSP_STEREO:
debug(DEBUG_LEVEL_NORMAL, __FILE__": SNDCTL_DSP_STEREO: %i\n", *(int*) argp);
-
+
pa_threaded_mainloop_lock(i->mainloop);
-
+
i->sample_spec.channels = *(int*) argp ? 2 : 1;
free_streams(i);
-
+
pa_threaded_mainloop_unlock(i->mainloop);
return 0;
case SNDCTL_DSP_CHANNELS: {
pa_sample_spec ss;
int valid;
-
+
debug(DEBUG_LEVEL_NORMAL, __FILE__": SNDCTL_DSP_CHANNELS: %i\n", *(int*) argp);
-
+
pa_threaded_mainloop_lock(i->mainloop);
ss = i->sample_spec;
i->sample_spec = ss;
free_streams(i);
}
-
+
pa_threaded_mainloop_unlock(i->mainloop);
if (!valid) {
fix_metrics(i);
*(int*) argp = i->fragment_size;
-
+
pa_threaded_mainloop_unlock(i->mainloop);
-
+
break;
case SNDCTL_DSP_SETFRAGMENT:
debug(DEBUG_LEVEL_NORMAL, __FILE__": SNDCTL_DSP_SETFRAGMENT: 0x%08x\n", *(int*) argp);
-
+
pa_threaded_mainloop_lock(i->mainloop);
-
+
i->fragment_size = 1 << ((*(int*) argp) & 31);
i->n_fragments = (*(int*) argp) >> 16;
i->n_fragments = 12;
free_streams(i);
-
+
pa_threaded_mainloop_unlock(i->mainloop);
-
+
break;
-
+
case SNDCTL_DSP_GETCAPS:
debug(DEBUG_LEVEL_NORMAL, __FILE__": SNDCTL_DSP_CAPS\n");
-
- *(int*) argp = DSP_CAP_DUPLEX
+
+ *(int*) argp = DSP_CAP_DUPLEX | DSP_CAP_TRIGGER
#ifdef DSP_CAP_MULTI
- | DSP_CAP_MULTI
+ | DSP_CAP_MULTI
#endif
- ;
+ ;
break;
case SNDCTL_DSP_GETODELAY: {
int l;
-
+
debug(DEBUG_LEVEL_NORMAL, __FILE__": SNDCTL_DSP_GETODELAY\n");
-
+
pa_threaded_mainloop_lock(i->mainloop);
*(int*) argp = 0;
-
+
for (;;) {
pa_usec_t usec;
pa_threaded_mainloop_wait(i->mainloop);
}
-
+
exit_loop:
-#ifdef SIOCINQ
+#ifdef SIOCINQ
if (ioctl(i->thread_fd, SIOCINQ, &l) < 0)
debug(DEBUG_LEVEL_NORMAL, __FILE__": SIOCINQ failed: %s\n", strerror(errno));
else
break;
}
-
+
case SNDCTL_DSP_RESET: {
debug(DEBUG_LEVEL_NORMAL, __FILE__": SNDCTL_DSP_RESET\n");
-
+
pa_threaded_mainloop_lock(i->mainloop);
free_streams(i);
dsp_flush_socket(i);
i->optr_n_blocks = 0;
-
+
pa_threaded_mainloop_unlock(i->mainloop);
break;
}
-
+
case SNDCTL_DSP_GETFMTS: {
debug(DEBUG_LEVEL_NORMAL, __FILE__": SNDCTL_DSP_GETFMTS\n");
-
+
*(int*) argp = AFMT_MU_LAW|AFMT_A_LAW|AFMT_U8|AFMT_S16_LE|AFMT_S16_BE;
break;
}
case SNDCTL_DSP_POST:
debug(DEBUG_LEVEL_NORMAL, __FILE__": SNDCTL_DSP_POST\n");
-
- if (dsp_trigger(i) < 0)
+
+ if (dsp_trigger(i) < 0)
*_errno = EIO;
break;
- case SNDCTL_DSP_SYNC:
+ case SNDCTL_DSP_GETTRIGGER:
+ debug(DEBUG_LEVEL_NORMAL, __FILE__": SNDCTL_DSP_GETTRIGGER\n");
+
+ *(int*) argp = 0;
+ if (!i->play_precork)
+ *(int*) argp |= PCM_ENABLE_OUTPUT;
+ if (!i->rec_precork)
+ *(int*) argp |= PCM_ENABLE_INPUT;
+
+ break;
+
+ case SNDCTL_DSP_SETTRIGGER:
+ debug(DEBUG_LEVEL_NORMAL, __FILE__": SNDCTL_DSP_SETTRIGGER: 0x%08x\n", *(int*) argp);
+
+ if (!i->io_event) {
+ *_errno = EIO;
+ break;
+ }
+
+ i->play_precork = !((*(int*) argp) & PCM_ENABLE_OUTPUT);
+
+ if (i->play_stream) {
+ if (dsp_cork(i, i->play_stream, !((*(int*) argp) & PCM_ENABLE_OUTPUT)) < 0)
+ *_errno = EIO;
+ if (dsp_trigger(i) < 0)
+ *_errno = EIO;
+ }
+
+ i->rec_precork = !((*(int*) argp) & PCM_ENABLE_INPUT);
+
+ if (i->rec_stream) {
+ if (dsp_cork(i, i->rec_stream, !((*(int*) argp) & PCM_ENABLE_INPUT)) < 0)
+ *_errno = EIO;
+ }
+
+ break;
+
+ case SNDCTL_DSP_SYNC:
debug(DEBUG_LEVEL_NORMAL, __FILE__": SNDCTL_DSP_SYNC\n");
-
- if (dsp_drain(i) < 0)
+
+ if (dsp_drain(i) < 0)
*_errno = EIO;
break;
case SOUND_PCM_READ_RATE:
debug(DEBUG_LEVEL_NORMAL, __FILE__": SOUND_PCM_READ_RATE\n");
-
+
pa_threaded_mainloop_lock(i->mainloop);
*(int*) argp = i->sample_spec.rate;
pa_threaded_mainloop_unlock(i->mainloop);
- break;
+ break;
case SOUND_PCM_READ_CHANNELS:
debug(DEBUG_LEVEL_NORMAL, __FILE__": SOUND_PCM_READ_CHANNELS\n");
-
+
pa_threaded_mainloop_lock(i->mainloop);
*(int*) argp = i->sample_spec.channels;
pa_threaded_mainloop_unlock(i->mainloop);
- break;
+ break;
case SOUND_PCM_READ_BITS:
debug(DEBUG_LEVEL_NORMAL, __FILE__": SOUND_PCM_READ_BITS\n");
-
+
pa_threaded_mainloop_lock(i->mainloop);
*(int*) argp = pa_sample_size(&i->sample_spec)*8;
pa_threaded_mainloop_unlock(i->mainloop);
- break;
-
+ break;
+
case SNDCTL_DSP_GETOPTR: {
count_info *info;
-
+
debug(DEBUG_LEVEL_NORMAL, __FILE__": SNDCTL_DSP_GETOPTR\n");
info = (count_info*) argp;
memset(info, 0, sizeof(*info));
-
+
pa_threaded_mainloop_lock(i->mainloop);
for (;;) {
if (pa_stream_get_time(i->play_stream, &usec) >= 0) {
size_t k = pa_usec_to_bytes(usec, &i->sample_spec);
int m;
-
+
info->bytes = (int) k;
m = k / i->fragment_size;
info->blocks = m - i->optr_n_blocks;
pa_threaded_mainloop_wait(i->mainloop);
}
-
+
pa_threaded_mainloop_unlock(i->mainloop);
debug(DEBUG_LEVEL_NORMAL, __FILE__": GETOPTR bytes=%i, blocks=%i, ptr=%i\n", info->bytes, info->blocks, info->ptr);
case SNDCTL_DSP_GETIPTR:
debug(DEBUG_LEVEL_NORMAL, __FILE__": invalid ioctl SNDCTL_DSP_GETIPTR\n");
goto inval;
-
+
+ case SNDCTL_DSP_SETDUPLEX:
+ debug(DEBUG_LEVEL_NORMAL, __FILE__": SNDCTL_DSP_SETDUPLEX\n");
+ /* this is a no-op */
+ break;
+
default:
- debug(DEBUG_LEVEL_NORMAL, __FILE__": unknown ioctl 0x%08lx\n", request);
+ /* Mixer ioctls are valid on /dev/dsp aswell */
+ return mixer_ioctl(i, request, argp, _errno);
inval:
*_errno = EINVAL;
}
ret = 0;
-
+
fail:
-
+
return ret;
}
r = mixer_ioctl(i, request, argp, &_errno);
else
r = dsp_ioctl(i, request, argp, &_errno);
-
+
fd_info_unref(i);
if (_errno)
errno = _errno;
function_exit();
-
+
return r;
}
fd_info_remove_from_list(i);
fd_info_unref(i);
-
+
function_exit();
return 0;
errno = EFAULT;
return -1;
}
-
+
debug(DEBUG_LEVEL_VERBOSE, __FILE__": access(%s)\n", pathname);
if (strcmp(pathname, "/dev/dsp") != 0 &&
return 0;
}
+int stat(const char *pathname, struct stat *buf) {
+#ifdef HAVE_OPEN64
+ struct stat64 parent;
+#else
+ struct stat parent;
+#endif
+ int ret;
+
+ if (!pathname || !buf) {
+ errno = EFAULT;
+ return -1;
+ }
+
+ if (strcmp(pathname, "/dev/dsp") != 0 &&
+ strcmp(pathname, "/dev/adsp") != 0 &&
+ strcmp(pathname, "/dev/sndstat") != 0 &&
+ strcmp(pathname, "/dev/mixer") != 0) {
+ debug(DEBUG_LEVEL_VERBOSE, __FILE__": stat(%s)\n", pathname);
+ LOAD_STAT_FUNC();
+ return _stat(pathname, buf);
+ }
+
+ debug(DEBUG_LEVEL_NORMAL, __FILE__": stat(%s)\n", pathname);
+
+#ifdef _STAT_VER
+#ifdef HAVE_OPEN64
+ ret = __xstat64(_STAT_VER, "/dev", &parent);
+#else
+ ret = __xstat(_STAT_VER, "/dev", &parent);
+#endif
+#else
+#ifdef HAVE_OPEN64
+ ret = stat64("/dev", &parent);
+#else
+ ret = stat("/dev", &parent);
+#endif
+#endif
+
+ if (ret) {
+ debug(DEBUG_LEVEL_NORMAL, __FILE__": unable to stat \"/dev\"\n");
+ return -1;
+ }
+
+ buf->st_dev = parent.st_dev;
+ buf->st_ino = 0xDEADBEEF; /* FIXME: Can we do this in a safe way? */
+ buf->st_mode = S_IFCHR | S_IRUSR | S_IWUSR;
+ buf->st_nlink = 1;
+ buf->st_uid = getuid();
+ buf->st_gid = getgid();
+ buf->st_rdev = 0x0E03; /* FIXME: Linux specific */
+ buf->st_size = 0;
+ buf->st_atime = 1181557705;
+ buf->st_mtime = 1181557705;
+ buf->st_ctime = 1181557705;
+ buf->st_blksize = 1;
+ buf->st_blocks = 0;
+
+ return 0;
+}
+
#ifdef HAVE_OPEN64
+int stat64(const char *pathname, struct stat64 *buf) {
+ struct stat oldbuf;
+ int ret;
+
+ if (!pathname || !buf) {
+ errno = EFAULT;
+ return -1;
+ }
+
+ debug(DEBUG_LEVEL_VERBOSE, __FILE__": stat64(%s)\n", pathname);
+
+ if (strcmp(pathname, "/dev/dsp") != 0 &&
+ strcmp(pathname, "/dev/adsp") != 0 &&
+ strcmp(pathname, "/dev/sndstat") != 0 &&
+ strcmp(pathname, "/dev/mixer") != 0) {
+ LOAD_STAT64_FUNC();
+ return _stat64(pathname, buf);
+ }
+
+ ret = stat(pathname, &oldbuf);
+ if (ret)
+ return ret;
+
+ buf->st_dev = oldbuf.st_dev;
+ buf->st_ino = oldbuf.st_ino;
+ buf->st_mode = oldbuf.st_mode;
+ buf->st_nlink = oldbuf.st_nlink;
+ buf->st_uid = oldbuf.st_uid;
+ buf->st_gid = oldbuf.st_gid;
+ buf->st_rdev = oldbuf.st_rdev;
+ buf->st_size = oldbuf.st_size;
+ buf->st_atime = oldbuf.st_atime;
+ buf->st_mtime = oldbuf.st_mtime;
+ buf->st_ctime = oldbuf.st_ctime;
+ buf->st_blksize = oldbuf.st_blksize;
+ buf->st_blocks = oldbuf.st_blocks;
+
+ return 0;
+}
+
int open64(const char *filename, int flags, ...) {
va_list args;
mode_t mode = 0;
debug(DEBUG_LEVEL_VERBOSE, __FILE__": open64(%s)\n", filename);
-
- va_start(args, flags);
- if (flags & O_CREAT)
- mode = va_arg(args, mode_t);
- va_end(args);
+
+ if (flags & O_CREAT) {
+ va_start(args, flags);
+ if (sizeof(mode_t) < sizeof(int))
+ mode = va_arg(args, int);
+ else
+ mode = va_arg(args, mode_t);
+ va_end(args);
+ }
if (strcmp(filename, "/dev/dsp") != 0 &&
strcmp(filename, "/dev/adsp") != 0 &&
return _open64(filename, flags, mode);
}
- return open(filename, flags, mode);
+ return real_open(filename, flags, mode);
}
#endif
+#ifdef _STAT_VER
+
+int __xstat(int ver, const char *pathname, struct stat *buf) {
+ if (!pathname || !buf) {
+ errno = EFAULT;
+ return -1;
+ }
+
+ debug(DEBUG_LEVEL_VERBOSE, __FILE__": __xstat(%s)\n", pathname);
+
+ if (strcmp(pathname, "/dev/dsp") != 0 &&
+ strcmp(pathname, "/dev/adsp") != 0 &&
+ strcmp(pathname, "/dev/sndstat") != 0 &&
+ strcmp(pathname, "/dev/mixer") != 0) {
+ LOAD_XSTAT_FUNC();
+ return ___xstat(ver, pathname, buf);
+ }
+
+ if (ver != _STAT_VER) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ return stat(pathname, buf);
+}
+
+#ifdef HAVE_OPEN64
+
+int __xstat64(int ver, const char *pathname, struct stat64 *buf) {
+ if (!pathname || !buf) {
+ errno = EFAULT;
+ return -1;
+ }
+
+ debug(DEBUG_LEVEL_VERBOSE, __FILE__": __xstat64(%s)\n", pathname);
+
+ if (strcmp(pathname, "/dev/dsp") != 0 &&
+ strcmp(pathname, "/dev/adsp") != 0 &&
+ strcmp(pathname, "/dev/sndstat") != 0 &&
+ strcmp(pathname, "/dev/mixer") != 0) {
+ LOAD_XSTAT64_FUNC();
+ return ___xstat64(ver, pathname, buf);
+ }
+
+ if (ver != _STAT_VER) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ return stat64(pathname, buf);
+}
+
+#endif
+
+#endif
+
FILE* fopen(const char *filename, const char *mode) {
FILE *f = NULL;
int fd;
mode_t m;
-
+
debug(DEBUG_LEVEL_VERBOSE, __FILE__": fopen(%s)\n", filename);
if (strcmp(filename, "/dev/dsp") != 0 &&
if ((((mode[1] == 'b') || (mode[1] == 't')) && (mode[2] == '+')) || (mode[1] == '+'))
m = O_RDWR;
- if ((fd = open(filename, m)) < 0)
+ if ((fd = real_open(filename, m, 0)) < 0)
return NULL;
if (!(f = fdopen(fd, mode))) {
close(fd);
return NULL;
}
-
+
return f;
}
/* Dirty trick to avoid that the fd is not freed twice, once by us
* and once by the real fclose() */
i->app_fd = -1;
-
+
fd_info_unref(i);
-
+
function_exit();
LOAD_FCLOSE_FUNC();