4 This file is part of PulseAudio.
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2 of the License,
9 or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
26 #ifdef _FILE_OFFSET_BITS
27 #undef _FILE_OFFSET_BITS
30 #ifndef _LARGEFILE64_SOURCE
31 #define _LARGEFILE64_SOURCE 1
34 #include <sys/soundcard.h>
35 #include <sys/ioctl.h>
38 #include <sys/socket.h>
47 #include <linux/sockios.h>
49 #include <pulse/pulseaudio.h>
50 #include <pulsecore/llist.h>
51 #include <pulsecore/gccmacro.h>
58 typedef struct fd_info fd_info
;
61 pthread_mutex_t mutex
;
66 int app_fd
, thread_fd
;
68 pa_sample_spec sample_spec
;
72 pa_threaded_mainloop
*mainloop
;
74 pa_stream
*play_stream
;
75 pa_stream
*rec_stream
;
77 pa_io_event
*io_event
;
82 int operation_success
;
84 pa_cvolume sink_volume
, source_volume
;
85 uint32_t sink_index
, source_index
;
86 int volume_modify_count
;
88 PA_LLIST_FIELDS(fd_info
);
91 static int dsp_drain(fd_info
*i
);
92 static void fd_info_remove_from_list(fd_info
*i
);
94 static pthread_mutex_t fd_infos_mutex
= PTHREAD_MUTEX_INITIALIZER
;
95 static pthread_mutex_t func_mutex
= PTHREAD_MUTEX_INITIALIZER
;
97 static PA_LLIST_HEAD(fd_info
, fd_infos
) = NULL
;
99 static int (*_ioctl
)(int, int, void*) = NULL
;
100 static int (*_close
)(int) = NULL
;
101 static int (*_open
)(const char *, int, mode_t
) = NULL
;
102 static FILE* (*_fopen
)(const char *path
, const char *mode
) = NULL
;
103 static int (*_open64
)(const char *, int, mode_t
) = NULL
;
104 static FILE* (*_fopen64
)(const char *path
, const char *mode
) = NULL
;
105 static int (*_fclose
)(FILE *f
) = NULL
;
106 static int (*_access
)(const char *, int) = NULL
;
108 /* dlsym() violates ISO C, so confide the breakage into this function to
110 typedef void (*fnptr
)(void);
111 static inline fnptr
dlsym_fn(void *handle
, const char *symbol
) {
112 return (fnptr
) (long) dlsym(handle
, symbol
);
115 #define LOAD_IOCTL_FUNC() \
117 pthread_mutex_lock(&func_mutex); \
119 _ioctl = (int (*)(int, int, void*)) dlsym_fn(RTLD_NEXT, "ioctl"); \
120 pthread_mutex_unlock(&func_mutex); \
123 #define LOAD_OPEN_FUNC() \
125 pthread_mutex_lock(&func_mutex); \
127 _open = (int (*)(const char *, int, mode_t)) dlsym_fn(RTLD_NEXT, "open"); \
128 pthread_mutex_unlock(&func_mutex); \
131 #define LOAD_OPEN64_FUNC() \
133 pthread_mutex_lock(&func_mutex); \
135 _open64 = (int (*)(const char *, int, mode_t)) dlsym_fn(RTLD_NEXT, "open64"); \
136 pthread_mutex_unlock(&func_mutex); \
139 #define LOAD_CLOSE_FUNC() \
141 pthread_mutex_lock(&func_mutex); \
143 _close = (int (*)(int)) dlsym_fn(RTLD_NEXT, "close"); \
144 pthread_mutex_unlock(&func_mutex); \
147 #define LOAD_ACCESS_FUNC() \
149 pthread_mutex_lock(&func_mutex); \
151 _access = (int (*)(const char*, int)) dlsym_fn(RTLD_NEXT, "access"); \
152 pthread_mutex_unlock(&func_mutex); \
155 #define LOAD_FOPEN_FUNC() \
157 pthread_mutex_lock(&func_mutex); \
159 _fopen = (FILE* (*)(const char *, const char*)) dlsym_fn(RTLD_NEXT, "fopen"); \
160 pthread_mutex_unlock(&func_mutex); \
163 #define LOAD_FOPEN64_FUNC() \
165 pthread_mutex_lock(&func_mutex); \
167 _fopen64 = (FILE* (*)(const char *, const char*)) dlsym_fn(RTLD_NEXT, "fopen64"); \
168 pthread_mutex_unlock(&func_mutex); \
171 #define LOAD_FCLOSE_FUNC() \
173 pthread_mutex_lock(&func_mutex); \
175 _fclose = (int (*)(FILE *)) dlsym_fn(RTLD_NEXT, "fclose"); \
176 pthread_mutex_unlock(&func_mutex); \
179 #define CONTEXT_CHECK_DEAD_GOTO(i, label) do { \
180 if (!(i)->context || pa_context_get_state((i)->context) != PA_CONTEXT_READY) { \
181 debug(DEBUG_LEVEL_NORMAL, __FILE__": Not connected: %s", (i)->context ? pa_strerror(pa_context_errno((i)->context)) : "NULL"); \
186 #define PLAYBACK_STREAM_CHECK_DEAD_GOTO(i, label) do { \
187 if (!(i)->context || pa_context_get_state((i)->context) != PA_CONTEXT_READY || \
188 !(i)->play_stream || pa_stream_get_state((i)->play_stream) != PA_STREAM_READY) { \
189 debug(DEBUG_LEVEL_NORMAL, __FILE__": Not connected: %s", (i)->context ? pa_strerror(pa_context_errno((i)->context)) : "NULL"); \
194 #define RECORD_STREAM_CHECK_DEAD_GOTO(i, label) do { \
195 if (!(i)->context || pa_context_get_state((i)->context) != PA_CONTEXT_READY || \
196 !(i)->rec_stream || pa_stream_get_state((i)->rec_stream) != PA_STREAM_READY) { \
197 debug(DEBUG_LEVEL_NORMAL, __FILE__": Not connected: %s", (i)->context ? pa_strerror(pa_context_errno((i)->context)) : "NULL"); \
202 static void debug(int level
, const char *format
, ...) PA_GCC_PRINTF_ATTR(2,3);
204 #define DEBUG_LEVEL_ALWAYS 0
205 #define DEBUG_LEVEL_NORMAL 1
206 #define DEBUG_LEVEL_VERBOSE 2
208 static void debug(int level
, const char *format
, ...) {
210 const char *dlevel_s
;
213 dlevel_s
= getenv("PADSP_DEBUG");
217 dlevel
= atoi(dlevel_s
);
222 va_start(ap
, format
);
223 vfprintf(stderr
, format
, ap
);
227 static int padsp_disabled(void) {
229 static int sym_resolved
= 0;
231 /* If the current process has a symbol __padsp_disabled__ we use
232 * it to detect whether we should enable our stuff or not. A
233 * program needs to be compiled with -rdynamic for this to work!
234 * The symbol must be an int containing a three bit bitmask: bit 1
235 * -> disable /dev/dsp emulation, bit 2 -> disable /dev/sndstat
236 * emulation, bit 3 -> disable /dev/mixer emulation. Hence a value
237 * of 7 disables padsp entirely. */
239 pthread_mutex_lock(&func_mutex
);
241 sym
= (int*) dlsym(RTLD_DEFAULT
, "__padsp_disabled__");
245 pthread_mutex_unlock(&func_mutex
);
253 static int dsp_cloak_enable(void) {
254 if (padsp_disabled() & 1)
257 if (getenv("PADSP_NO_DSP"))
263 static int sndstat_cloak_enable(void) {
264 if (padsp_disabled() & 2)
267 if (getenv("PADSP_NO_SNDSTAT"))
273 static int mixer_cloak_enable(void) {
274 if (padsp_disabled() & 4)
277 if (getenv("PADSP_NO_MIXER"))
282 static pthread_key_t recursion_key
;
284 static void recursion_key_alloc(void) {
285 pthread_key_create(&recursion_key
, NULL
);
288 static int function_enter(void) {
289 /* Avoid recursive calls */
290 static pthread_once_t recursion_key_once
= PTHREAD_ONCE_INIT
;
291 pthread_once(&recursion_key_once
, recursion_key_alloc
);
293 if (pthread_getspecific(recursion_key
))
296 pthread_setspecific(recursion_key
, (void*) 1);
300 static void function_exit(void) {
301 pthread_setspecific(recursion_key
, NULL
);
304 static void fd_info_free(fd_info
*i
) {
307 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": freeing fd info (fd=%i)\n", i
->app_fd
);
312 pa_threaded_mainloop_stop(i
->mainloop
);
314 if (i
->play_stream
) {
315 pa_stream_disconnect(i
->play_stream
);
316 pa_stream_unref(i
->play_stream
);
320 pa_stream_disconnect(i
->rec_stream
);
321 pa_stream_unref(i
->rec_stream
);
325 pa_context_disconnect(i
->context
);
326 pa_context_unref(i
->context
);
330 pa_threaded_mainloop_free(i
->mainloop
);
332 if (i
->app_fd
>= 0) {
337 if (i
->thread_fd
>= 0) {
339 _close(i
->thread_fd
);
344 pthread_mutex_destroy(&i
->mutex
);
348 static fd_info
*fd_info_ref(fd_info
*i
) {
351 pthread_mutex_lock(&i
->mutex
);
355 debug(DEBUG_LEVEL_VERBOSE
, __FILE__
": ref++, now %i\n", i
->ref
);
356 pthread_mutex_unlock(&i
->mutex
);
361 static void fd_info_unref(fd_info
*i
) {
363 pthread_mutex_lock(&i
->mutex
);
366 debug(DEBUG_LEVEL_VERBOSE
, __FILE__
": ref--, now %i\n", i
->ref
);
367 pthread_mutex_unlock(&i
->mutex
);
373 static void context_state_cb(pa_context
*c
, void *userdata
) {
374 fd_info
*i
= userdata
;
377 switch (pa_context_get_state(c
)) {
378 case PA_CONTEXT_READY
:
379 case PA_CONTEXT_TERMINATED
:
380 case PA_CONTEXT_FAILED
:
381 pa_threaded_mainloop_signal(i
->mainloop
, 0);
384 case PA_CONTEXT_UNCONNECTED
:
385 case PA_CONTEXT_CONNECTING
:
386 case PA_CONTEXT_AUTHORIZING
:
387 case PA_CONTEXT_SETTING_NAME
:
392 static void reset_params(fd_info
*i
) {
395 i
->sample_spec
.format
= PA_SAMPLE_U8
;
396 i
->sample_spec
.channels
= 1;
397 i
->sample_spec
.rate
= 8000;
398 i
->fragment_size
= 0;
402 static const char *client_name(char *buf
, size_t n
) {
406 if ((e
= getenv("PADSP_CLIENT_NAME")))
409 if (pa_get_binary_name(p
, sizeof(p
)))
410 snprintf(buf
, n
, "OSS Emulation[%s]", pa_path_get_filename(p
));
412 snprintf(buf
, n
, "OSS");
417 static const char *stream_name(void) {
420 if ((e
= getenv("PADSP_STREAM_NAME")))
423 return "Audio Stream";
426 static void atfork_prepare(void) {
429 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": atfork_prepare() enter\n");
433 pthread_mutex_lock(&fd_infos_mutex
);
435 for (i
= fd_infos
; i
; i
= i
->next
) {
436 pthread_mutex_lock(&i
->mutex
);
437 pa_threaded_mainloop_lock(i
->mainloop
);
440 pthread_mutex_lock(&func_mutex
);
443 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": atfork_prepare() exit\n");
446 static void atfork_parent(void) {
449 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": atfork_parent() enter\n");
451 pthread_mutex_unlock(&func_mutex
);
453 for (i
= fd_infos
; i
; i
= i
->next
) {
454 pa_threaded_mainloop_unlock(i
->mainloop
);
455 pthread_mutex_unlock(&i
->mutex
);
458 pthread_mutex_unlock(&fd_infos_mutex
);
462 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": atfork_parent() exit\n");
465 static void atfork_child(void) {
468 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": atfork_child() enter\n");
470 /* We do only the bare minimum to get all fds closed */
471 pthread_mutex_init(&func_mutex
, NULL
);
472 pthread_mutex_init(&fd_infos_mutex
, NULL
);
474 for (i
= fd_infos
; i
; i
= i
->next
) {
475 pthread_mutex_init(&i
->mutex
, NULL
);
478 pa_context_disconnect(i
->context
);
479 pa_context_unref(i
->context
);
483 if (i
->play_stream
) {
484 pa_stream_unref(i
->play_stream
);
485 i
->play_stream
= NULL
;
489 pa_stream_unref(i
->rec_stream
);
490 i
->rec_stream
= NULL
;
493 if (i
->app_fd
>= 0) {
498 if (i
->thread_fd
>= 0) {
508 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": atfork_child() exit\n");
511 static void install_atfork(void) {
512 pthread_atfork(atfork_prepare
, atfork_parent
, atfork_child
);
515 static void stream_success_cb(pa_stream
*s
, int success
, void *userdata
) {
516 fd_info
*i
= userdata
;
521 i
->operation_success
= success
;
522 pa_threaded_mainloop_signal(i
->mainloop
, 0);
525 static void context_success_cb(pa_context
*c
, int success
, void *userdata
) {
526 fd_info
*i
= userdata
;
531 i
->operation_success
= success
;
532 pa_threaded_mainloop_signal(i
->mainloop
, 0);
535 static fd_info
* fd_info_new(fd_info_type_t type
, int *_errno
) {
537 int sfds
[2] = { -1, -1 };
539 static pthread_once_t install_atfork_once
= PTHREAD_ONCE_INIT
;
541 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": fd_info_new()\n");
543 signal(SIGPIPE
, SIG_IGN
); /* Yes, ugly as hell */
545 pthread_once(&install_atfork_once
, install_atfork
);
547 if (!(i
= malloc(sizeof(fd_info
)))) {
552 i
->app_fd
= i
->thread_fd
= -1;
557 i
->play_stream
= NULL
;
558 i
->rec_stream
= NULL
;
560 pthread_mutex_init(&i
->mutex
, NULL
);
565 pa_cvolume_reset(&i
->sink_volume
, 2);
566 pa_cvolume_reset(&i
->source_volume
, 2);
567 i
->volume_modify_count
= 0;
568 i
->sink_index
= (uint32_t) -1;
569 i
->source_index
= (uint32_t) -1;
570 PA_LLIST_INIT(fd_info
, i
);
574 if (socketpair(AF_UNIX
, SOCK_STREAM
, 0, sfds
) < 0) {
576 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": socket() failed: %s\n", strerror(errno
));
581 i
->thread_fd
= sfds
[1];
583 if (!(i
->mainloop
= pa_threaded_mainloop_new())) {
585 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_threaded_mainloop_new() failed\n");
589 if (!(i
->context
= pa_context_new(pa_threaded_mainloop_get_api(i
->mainloop
), client_name(name
, sizeof(name
))))) {
591 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_context_new() failed\n");
595 pa_context_set_state_callback(i
->context
, context_state_cb
, i
);
597 if (pa_context_connect(i
->context
, NULL
, 0, NULL
) < 0) {
598 *_errno
= ECONNREFUSED
;
599 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_context_connect() failed: %s\n", pa_strerror(pa_context_errno(i
->context
)));
603 pa_threaded_mainloop_lock(i
->mainloop
);
605 if (pa_threaded_mainloop_start(i
->mainloop
) < 0) {
607 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_threaded_mainloop_start() failed\n");
608 goto unlock_and_fail
;
611 /* Wait until the context is ready */
612 pa_threaded_mainloop_wait(i
->mainloop
);
614 if (pa_context_get_state(i
->context
) != PA_CONTEXT_READY
) {
615 *_errno
= ECONNREFUSED
;
616 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_context_connect() failed: %s\n", pa_strerror(pa_context_errno(i
->context
)));
617 goto unlock_and_fail
;
620 pa_threaded_mainloop_unlock(i
->mainloop
);
625 pa_threaded_mainloop_unlock(i
->mainloop
);
635 static void fd_info_add_to_list(fd_info
*i
) {
638 pthread_mutex_lock(&fd_infos_mutex
);
639 PA_LLIST_PREPEND(fd_info
, fd_infos
, i
);
640 pthread_mutex_unlock(&fd_infos_mutex
);
645 static void fd_info_remove_from_list(fd_info
*i
) {
648 pthread_mutex_lock(&fd_infos_mutex
);
649 PA_LLIST_REMOVE(fd_info
, fd_infos
, i
);
650 pthread_mutex_unlock(&fd_infos_mutex
);
655 static fd_info
* fd_info_find(int fd
) {
658 pthread_mutex_lock(&fd_infos_mutex
);
660 for (i
= fd_infos
; i
; i
= i
->next
)
661 if (i
->app_fd
== fd
&& !i
->unusable
) {
666 pthread_mutex_unlock(&fd_infos_mutex
);
671 static void fix_metrics(fd_info
*i
) {
673 char t
[PA_SAMPLE_SPEC_SNPRINT_MAX
];
675 fs
= pa_frame_size(&i
->sample_spec
);
676 i
->fragment_size
= (i
->fragment_size
/fs
)*fs
;
678 /* Number of fragments set? */
679 if (i
->n_fragments
< 2) {
680 if (i
->fragment_size
> 0) {
681 i
->n_fragments
= pa_bytes_per_second(&i
->sample_spec
) / 2 / i
->fragment_size
;
682 if (i
->n_fragments
< 2)
688 /* Fragment size set? */
689 if (i
->fragment_size
<= 0) {
690 i
->fragment_size
= pa_bytes_per_second(&i
->sample_spec
) / 2 / i
->n_fragments
;
691 if (i
->fragment_size
< 1024)
692 i
->fragment_size
= 1024;
695 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": sample spec: %s\n", pa_sample_spec_snprint(t
, sizeof(t
), &i
->sample_spec
));
696 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": fixated metrics to %i fragments, %li bytes each.\n", i
->n_fragments
, (long)i
->fragment_size
);
699 static void stream_request_cb(pa_stream
*s
, size_t length
, void *userdata
) {
700 fd_info
*i
= userdata
;
704 pa_mainloop_api
*api
;
705 pa_io_event_flags_t flags
;
708 api
= pa_threaded_mainloop_get_api(i
->mainloop
);
712 if (s
== i
->play_stream
) {
713 n
= pa_stream_writable_size(i
->play_stream
);
714 if (n
== (size_t)-1) {
715 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_stream_writable_size(): %s\n",
716 pa_strerror(pa_context_errno(i
->context
)));
719 if (n
>= i
->fragment_size
)
720 flags
|= PA_IO_EVENT_INPUT
;
723 if (s
== i
->rec_stream
) {
724 n
= pa_stream_readable_size(i
->rec_stream
);
725 if (n
== (size_t)-1) {
726 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_stream_readable_size(): %s\n",
727 pa_strerror(pa_context_errno(i
->context
)));
730 if (n
>= i
->fragment_size
)
731 flags
|= PA_IO_EVENT_OUTPUT
;
734 api
->io_enable(i
->io_event
, flags
);
738 static void stream_latency_update_cb(pa_stream
*s
, void *userdata
) {
739 fd_info
*i
= userdata
;
742 pa_threaded_mainloop_signal(i
->mainloop
, 0);
745 static void fd_info_shutdown(fd_info
*i
) {
749 pa_mainloop_api
*api
;
750 api
= pa_threaded_mainloop_get_api(i
->mainloop
);
751 api
->io_free(i
->io_event
);
755 if (i
->thread_fd
>= 0) {
761 static int fd_info_copy_data(fd_info
*i
, int force
) {
763 pa_io_event_flags_t flags
;
765 if (!i
->play_stream
&& !i
->rec_stream
)
770 if ((i
->play_stream
) && (pa_stream_get_state(i
->play_stream
) == PA_STREAM_READY
)) {
771 n
= pa_stream_writable_size(i
->play_stream
);
773 if (n
== (size_t)-1) {
774 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_stream_writable_size(): %s\n",
775 pa_strerror(pa_context_errno(i
->context
)));
779 while (n
>= i
->fragment_size
|| force
) {
783 if (!(i
->buf
= malloc(i
->fragment_size
))) {
784 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": malloc() failed.\n");
789 if ((r
= read(i
->thread_fd
, i
->buf
, i
->fragment_size
)) <= 0) {
794 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": read(): %s\n", r
== 0 ? "EOF" : strerror(errno
));
798 if (pa_stream_write(i
->play_stream
, i
->buf
, r
, free
, 0, PA_SEEK_RELATIVE
) < 0) {
799 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_stream_write(): %s\n", pa_strerror(pa_context_errno(i
->context
)));
805 assert(n
>= (size_t) r
);
809 if (n
>= i
->fragment_size
)
810 flags
|= PA_IO_EVENT_INPUT
;
813 if ((i
->rec_stream
) && (pa_stream_get_state(i
->rec_stream
) == PA_STREAM_READY
)) {
814 n
= pa_stream_readable_size(i
->rec_stream
);
816 if (n
== (size_t)-1) {
817 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_stream_readable_size(): %s\n",
818 pa_strerror(pa_context_errno(i
->context
)));
822 while (n
>= i
->fragment_size
|| force
) {
828 if (pa_stream_peek(i
->rec_stream
, &data
, &len
) < 0) {
829 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_stream_peek(): %s\n", pa_strerror(pa_context_errno(i
->context
)));
836 buf
= (const char*)data
+ i
->rec_offset
;
838 if ((r
= write(i
->thread_fd
, buf
, len
- i
->rec_offset
)) <= 0) {
843 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": write(): %s\n", strerror(errno
));
847 assert((size_t)r
<= len
- i
->rec_offset
);
850 if (i
->rec_offset
== len
) {
851 if (pa_stream_drop(i
->rec_stream
) < 0) {
852 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_stream_drop(): %s\n", pa_strerror(pa_context_errno(i
->context
)));
858 assert(n
>= (size_t) r
);
862 if (n
>= i
->fragment_size
)
863 flags
|= PA_IO_EVENT_OUTPUT
;
867 pa_mainloop_api
*api
;
869 api
= pa_threaded_mainloop_get_api(i
->mainloop
);
870 api
->io_enable(i
->io_event
, flags
);
876 static void stream_state_cb(pa_stream
*s
, void * userdata
) {
877 fd_info
*i
= userdata
;
880 switch (pa_stream_get_state(s
)) {
882 case PA_STREAM_READY
:
883 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": stream established.\n");
886 case PA_STREAM_FAILED
:
887 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_stream_connect_playback() failed: %s\n", pa_strerror(pa_context_errno(i
->context
)));
891 case PA_STREAM_TERMINATED
:
892 case PA_STREAM_UNCONNECTED
:
893 case PA_STREAM_CREATING
:
898 static int create_playback_stream(fd_info
*i
) {
906 if (!(i
->play_stream
= pa_stream_new(i
->context
, stream_name(), &i
->sample_spec
, NULL
))) {
907 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_stream_new() failed: %s\n", pa_strerror(pa_context_errno(i
->context
)));
911 pa_stream_set_state_callback(i
->play_stream
, stream_state_cb
, i
);
912 pa_stream_set_write_callback(i
->play_stream
, stream_request_cb
, i
);
913 pa_stream_set_latency_update_callback(i
->play_stream
, stream_latency_update_cb
, i
);
915 memset(&attr
, 0, sizeof(attr
));
916 attr
.maxlength
= i
->fragment_size
* (i
->n_fragments
+1);
917 attr
.tlength
= i
->fragment_size
* i
->n_fragments
;
918 attr
.prebuf
= i
->fragment_size
;
919 attr
.minreq
= i
->fragment_size
;
921 if (pa_stream_connect_playback(i
->play_stream
, NULL
, &attr
, PA_STREAM_INTERPOLATE_TIMING
|PA_STREAM_AUTO_TIMING_UPDATE
, NULL
, NULL
) < 0) {
922 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_stream_connect_playback() failed: %s\n", pa_strerror(pa_context_errno(i
->context
)));
926 n
= i
->fragment_size
;
927 setsockopt(i
->app_fd
, SOL_SOCKET
, SO_SNDBUF
, &n
, sizeof(n
));
928 n
= i
->fragment_size
;
929 setsockopt(i
->thread_fd
, SOL_SOCKET
, SO_RCVBUF
, &n
, sizeof(n
));
937 static int create_record_stream(fd_info
*i
) {
945 if (!(i
->rec_stream
= pa_stream_new(i
->context
, stream_name(), &i
->sample_spec
, NULL
))) {
946 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_stream_new() failed: %s\n", pa_strerror(pa_context_errno(i
->context
)));
950 pa_stream_set_state_callback(i
->rec_stream
, stream_state_cb
, i
);
951 pa_stream_set_read_callback(i
->rec_stream
, stream_request_cb
, i
);
952 pa_stream_set_latency_update_callback(i
->rec_stream
, stream_latency_update_cb
, i
);
954 memset(&attr
, 0, sizeof(attr
));
955 attr
.maxlength
= i
->fragment_size
* (i
->n_fragments
+1);
956 attr
.fragsize
= i
->fragment_size
;
958 if (pa_stream_connect_record(i
->rec_stream
, NULL
, &attr
, PA_STREAM_INTERPOLATE_TIMING
|PA_STREAM_AUTO_TIMING_UPDATE
) < 0) {
959 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_stream_connect_playback() failed: %s\n", pa_strerror(pa_context_errno(i
->context
)));
963 n
= i
->fragment_size
;
964 setsockopt(i
->app_fd
, SOL_SOCKET
, SO_RCVBUF
, &n
, sizeof(n
));
965 n
= i
->fragment_size
;
966 setsockopt(i
->thread_fd
, SOL_SOCKET
, SO_SNDBUF
, &n
, sizeof(n
));
974 static void free_streams(fd_info
*i
) {
977 if (i
->play_stream
) {
978 pa_stream_disconnect(i
->play_stream
);
979 pa_stream_unref(i
->play_stream
);
980 i
->play_stream
= NULL
;
984 pa_stream_disconnect(i
->rec_stream
);
985 pa_stream_unref(i
->rec_stream
);
986 i
->rec_stream
= NULL
;
990 static void io_event_cb(pa_mainloop_api
*api
, pa_io_event
*e
, int fd
, pa_io_event_flags_t flags
, void *userdata
) {
991 fd_info
*i
= userdata
;
993 pa_threaded_mainloop_signal(i
->mainloop
, 0);
995 if (flags
& PA_IO_EVENT_INPUT
) {
997 if (!i
->play_stream
) {
998 if (create_playback_stream(i
) < 0)
1001 if (fd_info_copy_data(i
, 0) < 0)
1005 } else if (flags
& PA_IO_EVENT_OUTPUT
) {
1007 if (!i
->rec_stream
) {
1008 if (create_record_stream(i
) < 0)
1011 if (fd_info_copy_data(i
, 0) < 0)
1015 } else if (flags
& (PA_IO_EVENT_HANGUP
|PA_IO_EVENT_ERROR
))
1021 /* We can't do anything better than removing the event source */
1022 fd_info_shutdown(i
);
1025 static int dsp_open(int flags
, int *_errno
) {
1027 pa_mainloop_api
*api
;
1030 pa_io_event_flags_t ioflags
;
1032 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": dsp_open()\n");
1034 if (!(i
= fd_info_new(FD_INFO_STREAM
, _errno
)))
1037 if ((flags
& O_NONBLOCK
) == O_NONBLOCK
) {
1038 if ((f
= fcntl(i
->app_fd
, F_GETFL
)) >= 0)
1039 fcntl(i
->app_fd
, F_SETFL
, f
|O_NONBLOCK
);
1041 if ((f
= fcntl(i
->thread_fd
, F_GETFL
)) >= 0)
1042 fcntl(i
->thread_fd
, F_SETFL
, f
|O_NONBLOCK
);
1044 fcntl(i
->app_fd
, F_SETFD
, FD_CLOEXEC
);
1045 fcntl(i
->thread_fd
, F_SETFD
, FD_CLOEXEC
);
1047 pa_threaded_mainloop_lock(i
->mainloop
);
1048 api
= pa_threaded_mainloop_get_api(i
->mainloop
);
1050 switch (flags
& O_ACCMODE
) {
1052 ioflags
= PA_IO_EVENT_OUTPUT
;
1053 shutdown(i
->thread_fd
, SHUT_RD
);
1054 shutdown(i
->app_fd
, SHUT_WR
);
1057 ioflags
= PA_IO_EVENT_INPUT
;
1058 shutdown(i
->thread_fd
, SHUT_WR
);
1059 shutdown(i
->app_fd
, SHUT_RD
);
1062 ioflags
= PA_IO_EVENT_INPUT
| PA_IO_EVENT_OUTPUT
;
1068 if (!(i
->io_event
= api
->io_new(api
, i
->thread_fd
, ioflags
, io_event_cb
, i
)))
1071 pa_threaded_mainloop_unlock(i
->mainloop
);
1073 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": dsp_open() succeeded, fd=%i\n", i
->app_fd
);
1075 fd_info_add_to_list(i
);
1082 pa_threaded_mainloop_unlock(i
->mainloop
);
1089 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": dsp_open() failed\n");
1094 static void sink_info_cb(pa_context
*context
, const pa_sink_info
*si
, int eol
, void *userdata
) {
1095 fd_info
*i
= userdata
;
1097 if (!si
&& eol
< 0) {
1098 i
->operation_success
= 0;
1099 pa_threaded_mainloop_signal(i
->mainloop
, 0);
1106 if (!pa_cvolume_equal(&i
->sink_volume
, &si
->volume
))
1107 i
->volume_modify_count
++;
1109 i
->sink_volume
= si
->volume
;
1110 i
->sink_index
= si
->index
;
1112 i
->operation_success
= 1;
1113 pa_threaded_mainloop_signal(i
->mainloop
, 0);
1116 static void source_info_cb(pa_context
*context
, const pa_source_info
*si
, int eol
, void *userdata
) {
1117 fd_info
*i
= userdata
;
1119 if (!si
&& eol
< 0) {
1120 i
->operation_success
= 0;
1121 pa_threaded_mainloop_signal(i
->mainloop
, 0);
1128 if (!pa_cvolume_equal(&i
->source_volume
, &si
->volume
))
1129 i
->volume_modify_count
++;
1131 i
->source_volume
= si
->volume
;
1132 i
->source_index
= si
->index
;
1134 i
->operation_success
= 1;
1135 pa_threaded_mainloop_signal(i
->mainloop
, 0);
1138 static void subscribe_cb(pa_context
*context
, pa_subscription_event_type_t t
, uint32_t idx
, void *userdata
) {
1139 fd_info
*i
= userdata
;
1140 pa_operation
*o
= NULL
;
1142 if (i
->sink_index
!= idx
)
1145 if ((t
& PA_SUBSCRIPTION_EVENT_TYPE_MASK
) != PA_SUBSCRIPTION_EVENT_CHANGE
)
1148 if (!(o
= pa_context_get_sink_info_by_index(i
->context
, i
->sink_index
, sink_info_cb
, i
))) {
1149 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": Failed to get sink info: %s", pa_strerror(pa_context_errno(i
->context
)));
1153 pa_operation_unref(o
);
1156 static int mixer_open(int flags
, int *_errno
) {
1158 pa_operation
*o
= NULL
;
1161 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": mixer_open()\n");
1163 if (!(i
= fd_info_new(FD_INFO_MIXER
, _errno
)))
1166 pa_threaded_mainloop_lock(i
->mainloop
);
1168 pa_context_set_subscribe_callback(i
->context
, subscribe_cb
, i
);
1170 if (!(o
= pa_context_subscribe(i
->context
, PA_SUBSCRIPTION_MASK_SINK
| PA_SUBSCRIPTION_MASK_SOURCE
, context_success_cb
, i
))) {
1171 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": Failed to subscribe to events: %s", pa_strerror(pa_context_errno(i
->context
)));
1176 i
->operation_success
= 0;
1177 while (pa_operation_get_state(o
) != PA_OPERATION_DONE
) {
1178 pa_threaded_mainloop_wait(i
->mainloop
);
1179 CONTEXT_CHECK_DEAD_GOTO(i
, fail
);
1182 pa_operation_unref(o
);
1185 if (!i
->operation_success
) {
1186 debug(DEBUG_LEVEL_NORMAL
, __FILE__
":Failed to subscribe to events: %s", pa_strerror(pa_context_errno(i
->context
)));
1193 if (!(o
= pa_context_get_sink_info_by_name(i
->context
, NULL
, sink_info_cb
, i
))) {
1194 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": Failed to get sink info: %s", pa_strerror(pa_context_errno(i
->context
)));
1199 i
->operation_success
= 0;
1200 while (pa_operation_get_state(o
) != PA_OPERATION_DONE
) {
1201 pa_threaded_mainloop_wait(i
->mainloop
);
1202 CONTEXT_CHECK_DEAD_GOTO(i
, fail
);
1205 pa_operation_unref(o
);
1208 if (!i
->operation_success
) {
1209 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": Failed to get sink info: %s", pa_strerror(pa_context_errno(i
->context
)));
1214 /* Get source info */
1216 if (!(o
= pa_context_get_source_info_by_name(i
->context
, NULL
, source_info_cb
, i
))) {
1217 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": Failed to get source info: %s", pa_strerror(pa_context_errno(i
->context
)));
1222 i
->operation_success
= 0;
1223 while (pa_operation_get_state(o
) != PA_OPERATION_DONE
) {
1224 pa_threaded_mainloop_wait(i
->mainloop
);
1225 CONTEXT_CHECK_DEAD_GOTO(i
, fail
);
1228 pa_operation_unref(o
);
1231 if (!i
->operation_success
) {
1232 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": Failed to get source info: %s", pa_strerror(pa_context_errno(i
->context
)));
1237 pa_threaded_mainloop_unlock(i
->mainloop
);
1239 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": mixer_open() succeeded, fd=%i\n", i
->app_fd
);
1241 fd_info_add_to_list(i
);
1249 pa_operation_unref(o
);
1251 pa_threaded_mainloop_unlock(i
->mainloop
);
1258 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": mixer_open() failed\n");
1263 static int sndstat_open(int flags
, int *_errno
) {
1264 static const char sndstat
[] =
1265 "Sound Driver:3.8.1a-980706 (PulseAudio Virtual OSS)\n"
1267 "Config options: 0\n"
1269 "Installed drivers:\n"
1270 "Type 255: PulseAudio Virtual OSS\n"
1273 "PulseAudio Virtual OSS\n"
1276 "0: PulseAudio Virtual OSS\n"
1278 "Synth devices: NOT ENABLED IN CONFIG\n"
1285 "0: PulseAudio Virtual OSS\n";
1287 char fn
[] = "/tmp/padsp-sndstat-XXXXXX";
1292 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": sndstat_open()\n");
1294 if (flags
!= O_RDONLY
&& flags
!= (O_RDONLY
|O_LARGEFILE
)) {
1296 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": bad access!\n");
1307 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": mkstemp() failed: %s\n", strerror(errno
));
1313 if (write(fd
, sndstat
, sizeof(sndstat
) -1) != sizeof(sndstat
)-1) {
1315 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": write() failed: %s\n", strerror(errno
));
1319 if (lseek(fd
, SEEK_SET
, 0) < 0) {
1321 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": lseek() failed: %s\n", strerror(errno
));
1333 int open(const char *filename
, int flags
, ...) {
1338 debug(DEBUG_LEVEL_VERBOSE
, __FILE__
": open(%s)\n", filename
);
1340 va_start(args
, flags
);
1341 if (flags
& O_CREAT
)
1342 mode
= va_arg(args
, mode_t
);
1345 if (!function_enter()) {
1347 return _open(filename
, flags
, mode
);
1350 if (dsp_cloak_enable() && (strcmp(filename
, "/dev/dsp") == 0 || strcmp(filename
, "/dev/adsp") == 0)) {
1351 r
= dsp_open(flags
, &_errno
);
1352 } else if (mixer_cloak_enable() && strcmp(filename
, "/dev/mixer") == 0) {
1353 r
= mixer_open(flags
, &_errno
);
1354 } else if (sndstat_cloak_enable() && strcmp(filename
, "/dev/sndstat") == 0) {
1355 r
= sndstat_open(flags
, &_errno
);
1359 return _open(filename
, flags
, mode
);
1370 static int mixer_ioctl(fd_info
*i
, unsigned long request
, void*argp
, int *_errno
) {
1374 case SOUND_MIXER_READ_DEVMASK
:
1375 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SOUND_MIXER_READ_DEVMASK\n");
1377 *(int*) argp
= SOUND_MASK_PCM
| SOUND_MASK_IGAIN
;
1380 case SOUND_MIXER_READ_RECMASK
:
1381 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SOUND_MIXER_READ_RECMASK\n");
1383 *(int*) argp
= SOUND_MASK_IGAIN
;
1386 case SOUND_MIXER_READ_STEREODEVS
:
1387 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SOUND_MIXER_READ_STEREODEVS\n");
1389 pa_threaded_mainloop_lock(i
->mainloop
);
1391 if (i
->sink_volume
.channels
> 1)
1392 *(int*) argp
|= SOUND_MASK_PCM
;
1393 if (i
->source_volume
.channels
> 1)
1394 *(int*) argp
|= SOUND_MASK_IGAIN
;
1395 pa_threaded_mainloop_unlock(i
->mainloop
);
1399 case SOUND_MIXER_READ_RECSRC
:
1400 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SOUND_MIXER_READ_RECSRC\n");
1402 *(int*) argp
= SOUND_MASK_IGAIN
;
1405 case SOUND_MIXER_WRITE_RECSRC
:
1406 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SOUND_MIXER_WRITE_RECSRC\n");
1409 case SOUND_MIXER_READ_CAPS
:
1410 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SOUND_MIXER_READ_CAPS\n");
1415 case SOUND_MIXER_READ_PCM
:
1416 case SOUND_MIXER_READ_IGAIN
: {
1419 if (request
== SOUND_MIXER_READ_PCM
)
1420 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SOUND_MIXER_READ_PCM\n");
1422 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SOUND_MIXER_READ_IGAIN\n");
1424 pa_threaded_mainloop_lock(i
->mainloop
);
1426 if (request
== SOUND_MIXER_READ_PCM
)
1427 v
= &i
->sink_volume
;
1429 v
= &i
->source_volume
;
1432 ((v
->values
[0]*100/PA_VOLUME_NORM
)) |
1433 ((v
->values
[v
->channels
> 1 ? 1 : 0]*100/PA_VOLUME_NORM
) << 8);
1435 pa_threaded_mainloop_unlock(i
->mainloop
);
1440 case SOUND_MIXER_WRITE_PCM
:
1441 case SOUND_MIXER_WRITE_IGAIN
: {
1444 if (request
== SOUND_MIXER_READ_PCM
)
1445 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SOUND_MIXER_WRITE_PCM\n");
1447 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SOUND_MIXER_WRITE_IGAIN\n");
1449 pa_threaded_mainloop_lock(i
->mainloop
);
1451 if (request
== SOUND_MIXER_READ_PCM
) {
1453 pv
= &i
->sink_volume
;
1455 v
= i
->source_volume
;
1456 pv
= &i
->source_volume
;
1459 pv
->values
[0] = ((*(int*) argp
& 0xFF)*PA_VOLUME_NORM
)/100;
1460 pv
->values
[1] = ((*(int*) argp
>> 8)*PA_VOLUME_NORM
)/100;
1462 if (!pa_cvolume_equal(pv
, &v
)) {
1465 if (request
== SOUND_MIXER_READ_PCM
)
1466 o
= pa_context_set_sink_volume_by_index(i
->context
, i
->sink_index
, pv
, NULL
, NULL
);
1468 o
= pa_context_set_source_volume_by_index(i
->context
, i
->source_index
, pv
, NULL
, NULL
);
1471 debug(DEBUG_LEVEL_NORMAL
, __FILE__
":Failed set volume: %s", pa_strerror(pa_context_errno(i
->context
)));
1474 i
->operation_success
= 0;
1475 while (pa_operation_get_state(o
) != PA_OPERATION_DONE
) {
1476 CONTEXT_CHECK_DEAD_GOTO(i
, exit_loop
);
1478 pa_threaded_mainloop_wait(i
->mainloop
);
1482 if (!i
->operation_success
)
1483 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": Failed to set volume: %s\n", pa_strerror(pa_context_errno(i
->context
)));
1485 pa_operation_unref(o
);
1488 /* We don't wait for completion here */
1489 i
->volume_modify_count
++;
1492 pa_threaded_mainloop_unlock(i
->mainloop
);
1497 case SOUND_MIXER_INFO
: {
1498 mixer_info
*mi
= argp
;
1500 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SOUND_MIXER_INFO\n");
1502 memset(mi
, 0, sizeof(mixer_info
));
1503 strncpy(mi
->id
, "PULSEAUDIO", sizeof(mi
->id
));
1504 strncpy(mi
->name
, "PulseAudio Virtual OSS", sizeof(mi
->name
));
1505 pa_threaded_mainloop_lock(i
->mainloop
);
1506 mi
->modify_counter
= i
->volume_modify_count
;
1507 pa_threaded_mainloop_unlock(i
->mainloop
);
1512 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": unknown ioctl 0x%08lx\n", request
);
1525 static int map_format(int *fmt
, pa_sample_spec
*ss
) {
1529 ss
->format
= PA_SAMPLE_ULAW
;
1533 ss
->format
= PA_SAMPLE_ALAW
;
1540 ss
->format
= PA_SAMPLE_U8
;
1547 ss
->format
= PA_SAMPLE_S16BE
;
1554 ss
->format
= PA_SAMPLE_S16LE
;
1558 ss
->format
= PA_SAMPLE_S16NE
;
1566 static int map_format_back(pa_sample_format_t format
) {
1568 case PA_SAMPLE_S16LE
: return AFMT_S16_LE
;
1569 case PA_SAMPLE_S16BE
: return AFMT_S16_BE
;
1570 case PA_SAMPLE_ULAW
: return AFMT_MU_LAW
;
1571 case PA_SAMPLE_ALAW
: return AFMT_A_LAW
;
1572 case PA_SAMPLE_U8
: return AFMT_U8
;
1578 static int dsp_flush_fd(int fd
) {
1581 if (ioctl(fd
, SIOCINQ
, &l
) < 0) {
1582 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SIOCINQ: %s\n", strerror(errno
));
1590 k
= (size_t) l
> sizeof(buf
) ? sizeof(buf
) : (size_t) l
;
1591 if (read(fd
, buf
, k
) < 0)
1592 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": read(): %s\n", strerror(errno
));
1599 static int dsp_flush_socket(fd_info
*i
) {
1602 if ((i
->thread_fd
< 0) && (i
->app_fd
< 0))
1605 if (i
->thread_fd
>= 0)
1606 res
= dsp_flush_fd(i
->thread_fd
);
1612 res
= dsp_flush_fd(i
->app_fd
);
1620 static int dsp_empty_socket(fd_info
*i
) {
1623 /* Empty the socket */
1627 if (i
->thread_fd
< 0)
1630 if (ioctl(i
->thread_fd
, SIOCINQ
, &l
) < 0) {
1631 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SIOCINQ: %s\n", strerror(errno
));
1640 pa_threaded_mainloop_wait(i
->mainloop
);
1646 static int dsp_drain(fd_info
*i
) {
1647 pa_operation
*o
= NULL
;
1653 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": Draining.\n");
1655 pa_threaded_mainloop_lock(i
->mainloop
);
1657 if (dsp_empty_socket(i
) < 0)
1660 if (!i
->play_stream
)
1663 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": Really draining.\n");
1665 if (!(o
= pa_stream_drain(i
->play_stream
, stream_success_cb
, i
))) {
1666 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_stream_drain(): %s\n", pa_strerror(pa_context_errno(i
->context
)));
1670 i
->operation_success
= 0;
1671 while (pa_operation_get_state(o
) != PA_OPERATION_DONE
) {
1672 PLAYBACK_STREAM_CHECK_DEAD_GOTO(i
, fail
);
1674 pa_threaded_mainloop_wait(i
->mainloop
);
1677 if (!i
->operation_success
) {
1678 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_stream_drain() 2: %s\n", pa_strerror(pa_context_errno(i
->context
)));
1687 pa_operation_unref(o
);
1689 pa_threaded_mainloop_unlock(i
->mainloop
);
1694 static int dsp_trigger(fd_info
*i
) {
1695 pa_operation
*o
= NULL
;
1698 if (!i
->play_stream
)
1701 pa_threaded_mainloop_lock(i
->mainloop
);
1703 if (dsp_empty_socket(i
) < 0)
1706 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": Triggering.\n");
1708 if (!(o
= pa_stream_trigger(i
->play_stream
, stream_success_cb
, i
))) {
1709 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_stream_trigger(): %s\n", pa_strerror(pa_context_errno(i
->context
)));
1713 i
->operation_success
= 0;
1714 while (!pa_operation_get_state(o
) != PA_OPERATION_DONE
) {
1715 PLAYBACK_STREAM_CHECK_DEAD_GOTO(i
, fail
);
1717 pa_threaded_mainloop_wait(i
->mainloop
);
1720 if (!i
->operation_success
) {
1721 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_stream_trigger(): %s\n", pa_strerror(pa_context_errno(i
->context
)));
1730 pa_operation_unref(o
);
1732 pa_threaded_mainloop_unlock(i
->mainloop
);
1737 static int dsp_ioctl(fd_info
*i
, unsigned long request
, void*argp
, int *_errno
) {
1741 case SNDCTL_DSP_SETFMT
: {
1742 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SNDCTL_DSP_SETFMT: %i\n", *(int*) argp
);
1744 pa_threaded_mainloop_lock(i
->mainloop
);
1746 if (*(int*) argp
== AFMT_QUERY
)
1747 *(int*) argp
= map_format_back(i
->sample_spec
.format
);
1749 map_format((int*) argp
, &i
->sample_spec
);
1753 pa_threaded_mainloop_unlock(i
->mainloop
);
1757 case SNDCTL_DSP_SPEED
: {
1762 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SNDCTL_DSP_SPEED: %i\n", *(int*) argp
);
1764 pa_threaded_mainloop_lock(i
->mainloop
);
1766 ss
= i
->sample_spec
;
1767 ss
.rate
= *(int*) argp
;
1769 if ((valid
= pa_sample_spec_valid(&ss
))) {
1770 i
->sample_spec
= ss
;
1774 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": ss: %s\n", pa_sample_spec_snprint(t
, sizeof(t
), &i
->sample_spec
));
1776 pa_threaded_mainloop_unlock(i
->mainloop
);
1786 case SNDCTL_DSP_STEREO
:
1787 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SNDCTL_DSP_STEREO: %i\n", *(int*) argp
);
1789 pa_threaded_mainloop_lock(i
->mainloop
);
1791 i
->sample_spec
.channels
= *(int*) argp
? 2 : 1;
1794 pa_threaded_mainloop_unlock(i
->mainloop
);
1797 case SNDCTL_DSP_CHANNELS
: {
1801 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SNDCTL_DSP_CHANNELS: %i\n", *(int*) argp
);
1803 pa_threaded_mainloop_lock(i
->mainloop
);
1805 ss
= i
->sample_spec
;
1806 ss
.channels
= *(int*) argp
;
1808 if ((valid
= pa_sample_spec_valid(&ss
))) {
1809 i
->sample_spec
= ss
;
1813 pa_threaded_mainloop_unlock(i
->mainloop
);
1823 case SNDCTL_DSP_GETBLKSIZE
:
1824 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SNDCTL_DSP_GETBLKSIZE\n");
1826 pa_threaded_mainloop_lock(i
->mainloop
);
1829 *(int*) argp
= i
->fragment_size
;
1831 pa_threaded_mainloop_unlock(i
->mainloop
);
1835 case SNDCTL_DSP_SETFRAGMENT
:
1836 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SNDCTL_DSP_SETFRAGMENT: 0x%8x\n", *(int*) argp
);
1838 pa_threaded_mainloop_lock(i
->mainloop
);
1840 i
->fragment_size
= 1 << (*(int*) argp
);
1841 i
->n_fragments
= (*(int*) argp
) >> 16;
1843 /* 0x7FFF means that we can set whatever we like */
1844 if (i
->n_fragments
== 0x7FFF)
1845 i
->n_fragments
= 12;
1849 pa_threaded_mainloop_unlock(i
->mainloop
);
1853 case SNDCTL_DSP_GETCAPS
:
1854 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SNDCTL_DSP_CAPS\n");
1856 *(int*) argp
= DSP_CAP_DUPLEX
| DSP_CAP_MULTI
;
1859 case SNDCTL_DSP_GETODELAY
: {
1862 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SNDCTL_DSP_GETODELAY\n");
1864 pa_threaded_mainloop_lock(i
->mainloop
);
1871 PLAYBACK_STREAM_CHECK_DEAD_GOTO(i
, exit_loop
);
1873 if (pa_stream_get_latency(i
->play_stream
, &usec
, NULL
) >= 0) {
1874 *(int*) argp
= pa_usec_to_bytes(usec
, &i
->sample_spec
);
1878 if (pa_context_errno(i
->context
) != PA_ERR_NODATA
) {
1879 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_stream_get_latency(): %s\n", pa_strerror(pa_context_errno(i
->context
)));
1883 pa_threaded_mainloop_wait(i
->mainloop
);
1888 if (ioctl(i
->thread_fd
, SIOCINQ
, &l
) < 0)
1889 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SIOCINQ failed: %s\n", strerror(errno
));
1893 pa_threaded_mainloop_unlock(i
->mainloop
);
1895 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": ODELAY: %i\n", *(int*) argp
);
1900 case SNDCTL_DSP_RESET
: {
1901 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SNDCTL_DSP_RESET\n");
1903 pa_threaded_mainloop_lock(i
->mainloop
);
1906 dsp_flush_socket(i
);
1909 pa_threaded_mainloop_unlock(i
->mainloop
);
1913 case SNDCTL_DSP_GETFMTS
: {
1914 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SNDCTL_DSP_GETFMTS\n");
1916 *(int*) argp
= AFMT_MU_LAW
|AFMT_A_LAW
|AFMT_U8
|AFMT_S16_LE
|AFMT_S16_BE
;
1920 case SNDCTL_DSP_POST
:
1921 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SNDCTL_DSP_POST\n");
1923 if (dsp_trigger(i
) < 0)
1927 case SNDCTL_DSP_SYNC
:
1928 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SNDCTL_DSP_SYNC\n");
1930 if (dsp_drain(i
) < 0)
1935 case SNDCTL_DSP_GETOSPACE
:
1936 case SNDCTL_DSP_GETISPACE
: {
1937 audio_buf_info
*bi
= (audio_buf_info
*) argp
;
1941 if (request
== SNDCTL_DSP_GETOSPACE
)
1942 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SNDCTL_DSP_GETOSPACE\n");
1944 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SNDCTL_DSP_GETISPACE\n");
1946 pa_threaded_mainloop_lock(i
->mainloop
);
1950 if (request
== SNDCTL_DSP_GETOSPACE
) {
1951 if (i
->play_stream
) {
1952 if ((k
= pa_stream_writable_size(i
->play_stream
)) == (size_t) -1)
1953 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_stream_writable_size(): %s\n", pa_strerror(pa_context_errno(i
->context
)));
1955 k
= i
->fragment_size
* i
->n_fragments
;
1957 if (ioctl(i
->thread_fd
, SIOCINQ
, &l
) < 0) {
1958 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SIOCINQ failed: %s\n", strerror(errno
));
1962 bi
->bytes
= k
> (size_t) l
? k
- l
: 0;
1964 if (i
->rec_stream
) {
1965 if ((k
= pa_stream_readable_size(i
->rec_stream
)) == (size_t) -1)
1966 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": pa_stream_readable_size(): %s\n", pa_strerror(pa_context_errno(i
->context
)));
1970 if (ioctl(i
->app_fd
, SIOCINQ
, &l
) < 0) {
1971 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": SIOCINQ failed: %s\n", strerror(errno
));
1978 bi
->fragsize
= i
->fragment_size
;
1979 bi
->fragstotal
= i
->n_fragments
;
1980 bi
->fragments
= bi
->bytes
/ bi
->fragsize
;
1982 pa_threaded_mainloop_unlock(i
->mainloop
);
1984 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": fragsize=%i, fragstotal=%i, bytes=%i, fragments=%i\n", bi
->fragsize
, bi
->fragstotal
, bi
->bytes
, bi
->fragments
);
1990 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": unknown ioctl 0x%08lx\n", request
);
2003 int ioctl(int fd
, unsigned long request
, ...) {
2009 debug(DEBUG_LEVEL_VERBOSE
, __FILE__
": ioctl()\n");
2011 va_start(args
, request
);
2012 argp
= va_arg(args
, void *);
2015 if (!function_enter()) {
2017 return _ioctl(fd
, request
, argp
);
2020 if (!(i
= fd_info_find(fd
))) {
2023 return _ioctl(fd
, request
, argp
);
2026 if (i
->type
== FD_INFO_MIXER
)
2027 r
= mixer_ioctl(i
, request
, argp
, &_errno
);
2029 r
= dsp_ioctl(i
, request
, argp
, &_errno
);
2044 debug(DEBUG_LEVEL_VERBOSE
, __FILE__
": close()\n");
2046 if (!function_enter()) {
2051 if (!(i
= fd_info_find(fd
))) {
2057 fd_info_remove_from_list(i
);
2065 int access(const char *pathname
, int mode
) {
2066 debug(DEBUG_LEVEL_VERBOSE
, __FILE__
": access(%s)\n", pathname
);
2068 if (strcmp(pathname
, "/dev/dsp") != 0 &&
2069 strcmp(pathname
, "/dev/adsp") != 0 &&
2070 strcmp(pathname
, "/dev/sndstat") != 0 &&
2071 strcmp(pathname
, "/dev/mixer") != 0) {
2073 return _access(pathname
, mode
);
2076 if (mode
& (W_OK
| X_OK
)) {
2077 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": access(%s, %x) = EACCESS\n", pathname
, mode
);
2082 debug(DEBUG_LEVEL_NORMAL
, __FILE__
": access(%s, %x) = OK\n", pathname
, mode
);
2087 int open64(const char *filename
, int flags
, ...) {
2091 debug(DEBUG_LEVEL_VERBOSE
, __FILE__
": open64(%s)\n", filename
);
2093 va_start(args
, flags
);
2094 if (flags
& O_CREAT
)
2095 mode
= va_arg(args
, mode_t
);
2098 if (strcmp(filename
, "/dev/dsp") != 0 &&
2099 strcmp(filename
, "/dev/adsp") != 0 &&
2100 strcmp(filename
, "/dev/sndstat") != 0 &&
2101 strcmp(filename
, "/dev/mixer") != 0) {
2103 return _open64(filename
, flags
, mode
);
2106 return open(filename
, flags
, mode
);
2109 FILE* fopen(const char *filename
, const char *mode
) {
2114 debug(DEBUG_LEVEL_VERBOSE
, __FILE__
": fopen(%s)\n", filename
);
2116 if (strcmp(filename
, "/dev/dsp") != 0 &&
2117 strcmp(filename
, "/dev/adsp") != 0 &&
2118 strcmp(filename
, "/dev/sndstat") != 0 &&
2119 strcmp(filename
, "/dev/mixer") != 0) {
2121 return _fopen(filename
, mode
);
2137 if ((((mode
[1] == 'b') || (mode
[1] == 't')) && (mode
[2] == '+')) || (mode
[1] == '+'))
2140 if ((fd
= open(filename
, m
)) < 0)
2143 if (!(f
= fdopen(fd
, mode
))) {
2151 FILE *fopen64(const char *filename
, const char *mode
) {
2153 debug(DEBUG_LEVEL_VERBOSE
, __FILE__
": fopen64(%s)\n", filename
);
2155 if (strcmp(filename
, "/dev/dsp") != 0 &&
2156 strcmp(filename
, "/dev/adsp") != 0 &&
2157 strcmp(filename
, "/dev/sndstat") != 0 &&
2158 strcmp(filename
, "/dev/mixer") != 0) {
2159 LOAD_FOPEN64_FUNC();
2160 return _fopen64(filename
, mode
);
2163 return fopen(filename
, mode
);
2166 int fclose(FILE *f
) {
2169 debug(DEBUG_LEVEL_VERBOSE
, __FILE__
": fclose()\n");
2171 if (!function_enter()) {
2176 if (!(i
= fd_info_find(fileno(f
)))) {
2182 fd_info_remove_from_list(i
);
2184 /* Dirty trick to avoid that the fd is not freed twice, once by us
2185 * and once by the real fclose() */