diff options
Diffstat (limited to 'src/utils/padsp.c')
| -rw-r--r-- | src/utils/padsp.c | 918 |
1 files changed, 682 insertions, 236 deletions
diff --git a/src/utils/padsp.c b/src/utils/padsp.c index 32cb5f9a..ab9d18a3 100644 --- a/src/utils/padsp.c +++ b/src/utils/padsp.c @@ -1,18 +1,19 @@ -/* $Id$ */ - /*** 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, + by the Free Software Foundation; either version 2.1 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 @@ -50,8 +51,18 @@ #endif #include <pulse/pulseaudio.h> +#include <pulse/gccmacro.h> #include <pulsecore/llist.h> -#include <pulsecore/gccmacro.h> +#include <pulsecore/core-util.h> + +/* On some systems SIOCINQ isn't defined, but FIONREAD is just an alias */ +#if !defined(SIOCINQ) && defined(FIONREAD) +# define SIOCINQ FIONREAD +#endif + +/* make sure gcc doesn't redefine open and friends as macros */ +#undef open +#undef open64 typedef enum { FD_INFO_MIXER, @@ -64,7 +75,7 @@ struct fd_info { pthread_mutex_t mutex; int ref; int unusable; - + fd_info_type_t type; int app_fd, thread_fd; @@ -76,6 +87,8 @@ struct fd_info { 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; @@ -88,7 +101,9 @@ struct fd_info { pa_cvolume sink_volume, source_volume; uint32_t sink_index, source_index; int volume_modify_count; - + + int optr_n_blocks; + PA_LLIST_FIELDS(fd_info); }; @@ -103,10 +118,20 @@ static PA_LLIST_HEAD(fd_info, fd_infos) = NULL; static int (*_ioctl)(int, int, void*) = NULL; static int (*_close)(int) = NULL; static int (*_open)(const char *, int, mode_t) = NULL; +static int (*___open_2)(const char *, int) = 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 int (*___open64_2)(const char *, int) = 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; @@ -134,6 +159,14 @@ do { \ pthread_mutex_unlock(&func_mutex); \ } while(0) +#define LOAD___OPEN_2_FUNC() \ +do { \ + pthread_mutex_lock(&func_mutex); \ + if (!___open_2) \ + ___open_2 = (int (*)(const char *, int)) dlsym_fn(RTLD_NEXT, "__open_2"); \ + pthread_mutex_unlock(&func_mutex); \ +} while(0) + #define LOAD_OPEN64_FUNC() \ do { \ pthread_mutex_lock(&func_mutex); \ @@ -142,6 +175,14 @@ do { \ pthread_mutex_unlock(&func_mutex); \ } while(0) +#define LOAD___OPEN64_2_FUNC() \ +do { \ + pthread_mutex_lock(&func_mutex); \ + if (!___open64_2) \ + ___open64_2 = (int (*)(const char *, int)) dlsym_fn(RTLD_NEXT, "__open64_2"); \ + pthread_mutex_unlock(&func_mutex); \ +} while(0) + #define LOAD_CLOSE_FUNC() \ do { \ pthread_mutex_lock(&func_mutex); \ @@ -158,6 +199,38 @@ do { \ 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); \ @@ -184,32 +257,32 @@ do { \ #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; @@ -241,26 +314,25 @@ static int padsp_disabled(void) { * -> 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__"); sym_resolved = 1; - } pthread_mutex_unlock(&func_mutex); if (!sym) return 0; - + return *sym; } static int dsp_cloak_enable(void) { if (padsp_disabled() & 1) return 0; - - if (getenv("PADSP_NO_DSP")) + + if (getenv("PADSP_NO_DSP") || getenv("PULSE_INTERNAL")) return 0; return 1; @@ -270,7 +342,7 @@ static int sndstat_cloak_enable(void) { if (padsp_disabled() & 2) return 0; - if (getenv("PADSP_NO_SNDSTAT")) + if (getenv("PADSP_NO_SNDSTAT") || getenv("PULSE_INTERNAL")) return 0; return 1; @@ -280,7 +352,7 @@ static int mixer_cloak_enable(void) { if (padsp_disabled() & 4) return 0; - if (getenv("PADSP_NO_MIXER")) + if (getenv("PADSP_NO_MIXER") || getenv("PULSE_INTERNAL")) return 0; return 1; @@ -295,7 +367,7 @@ static int function_enter(void) { /* 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; @@ -313,10 +385,10 @@ static void fd_info_free(fd_info *i) { 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); @@ -331,7 +403,7 @@ static void fd_info_free(fd_info *i) { pa_context_disconnect(i->context); pa_context_unref(i->context); } - + if (i->mainloop) pa_threaded_mainloop_free(i->mainloop); @@ -353,7 +425,7 @@ static void fd_info_free(fd_info *i) { static fd_info *fd_info_ref(fd_info *i) { assert(i); - + pthread_mutex_lock(&i->mutex); assert(i->ref >= 1); i->ref++; @@ -369,7 +441,7 @@ static void fd_info_unref(fd_info *i) { 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) @@ -397,7 +469,7 @@ static void context_state_cb(pa_context *c, void *userdata) { 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; @@ -406,15 +478,16 @@ static void reset_params(fd_info *i) { } static const char *client_name(char *buf, size_t n) { - char p[PATH_MAX]; + char *p; const char *e; if ((e = getenv("PADSP_CLIENT_NAME"))) return e; - - if (pa_get_binary_name(p, sizeof(p))) + + if ((p = pa_get_binary_name_malloc())) { snprintf(buf, n, "OSS Emulation[%s]", p); - else + pa_xfree(p); + } else snprintf(buf, n, "OSS"); return buf; @@ -433,7 +506,7 @@ static void atfork_prepare(void) { fd_info *i; debug(DEBUG_LEVEL_NORMAL, __FILE__": atfork_prepare() enter\n"); - + function_enter(); pthread_mutex_lock(&fd_infos_mutex); @@ -445,13 +518,12 @@ static void atfork_prepare(void) { 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); @@ -464,19 +536,19 @@ static void atfork_parent(void) { 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); @@ -497,12 +569,14 @@ static void atfork_child(void) { } if (i->app_fd >= 0) { - close(i->app_fd); + LOAD_CLOSE_FUNC(); + _close(i->app_fd); i->app_fd = -1; } if (i->thread_fd >= 0) { - close(i->thread_fd); + LOAD_CLOSE_FUNC(); + _close(i->thread_fd); i->thread_fd = -1; } @@ -549,7 +623,7 @@ static fd_info* fd_info_new(fd_info_type_t type, int *_errno) { 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; @@ -562,6 +636,8 @@ static fd_info* fd_info_new(fd_info_type_t type, int *_errno) { 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); @@ -574,6 +650,7 @@ static fd_info* fd_info_new(fd_info_type_t type, int *_errno) { i->volume_modify_count = 0; i->sink_index = (uint32_t) -1; i->source_index = (uint32_t) -1; + i->optr_n_blocks = 0; PA_LLIST_INIT(fd_info, i); reset_params(i); @@ -630,12 +707,12 @@ static fd_info* fd_info_new(fd_info_type_t type, int *_errno) { unlock_and_fail: pa_threaded_mainloop_unlock(i->mainloop); - + fail: if (i) fd_info_unref(i); - + return NULL; } @@ -663,7 +740,7 @@ static fd_info* fd_info_find(int fd) { 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); @@ -671,7 +748,7 @@ static fd_info* fd_info_find(int fd) { } pthread_mutex_unlock(&fd_infos_mutex); - + return i; } @@ -692,7 +769,7 @@ static void fix_metrics(fd_info *i) { /* Number of fragments set? */ if (i->n_fragments < 2) { if (i->fragment_size > 0) { - i->n_fragments = pa_bytes_per_second(&i->sample_spec) / 2 / i->fragment_size; + i->n_fragments = (unsigned) (pa_bytes_per_second(&i->sample_spec) / 2 / i->fragment_size); if (i->n_fragments < 2) i->n_fragments = 2; } else @@ -808,7 +885,7 @@ static int fd_info_copy_data(fd_info *i, int force) { return -1; } - if (pa_stream_write(i->play_stream, i->buf, r, free, 0, PA_SEEK_RELATIVE) < 0) { + if (pa_stream_write(i->play_stream, i->buf, (size_t) r, free, 0LL, PA_SEEK_RELATIVE) < 0) { debug(DEBUG_LEVEL_NORMAL, __FILE__": pa_stream_write(): %s\n", pa_strerror(pa_context_errno(i->context))); return -1; } @@ -816,7 +893,7 @@ static int fd_info_copy_data(fd_info *i, int force) { i->buf = NULL; assert(n >= (size_t) r); - n -= r; + n -= (size_t) r; } if (n >= i->fragment_size) @@ -860,7 +937,7 @@ static int fd_info_copy_data(fd_info *i, int force) { } assert((size_t)r <= len - i->rec_offset); - i->rec_offset += r; + i->rec_offset += (size_t) r; if (i->rec_offset == len) { if (pa_stream_drop(i->rec_stream) < 0) { @@ -871,7 +948,7 @@ static int fd_info_copy_data(fd_info *i, int force) { } assert(n >= (size_t) r); - n -= r; + n -= (size_t) r; } if (n >= i->fragment_size) @@ -887,6 +964,10 @@ static int fd_info_copy_data(fd_info *i, int force) { api->io_enable(i->io_event, i->io_flags); } + /* So, we emptied the socket now, let's tell dsp_empty_socket() + * about this */ + pa_threaded_mainloop_signal(i->mainloop, 0); + return 0; } @@ -899,9 +980,21 @@ static void stream_state_cb(pa_stream *s, void * userdata) { 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; @@ -914,8 +1007,8 @@ static void stream_state_cb(pa_stream *s, void * userdata) { static int create_playback_stream(fd_info *i) { pa_buffer_attr attr; - int n; - + int n, flags; + assert(i); fix_metrics(i); @@ -930,21 +1023,26 @@ static int create_playback_stream(fd_info *i) { pa_stream_set_latency_update_callback(i->play_stream, stream_latency_update_cb, i); memset(&attr, 0, sizeof(attr)); - attr.maxlength = i->fragment_size * (i->n_fragments+1); - 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) { + attr.maxlength = (uint32_t) (i->fragment_size * (i->n_fragments+1)); + attr.tlength = (uint32_t) (i->fragment_size * i->n_fragments); + attr.prebuf = (uint32_t) i->fragment_size; + attr.minreq = (uint32_t) i->fragment_size; + + flags = PA_STREAM_INTERPOLATE_TIMING|PA_STREAM_AUTO_TIMING_UPDATE|PA_STREAM_EARLY_REQUESTS; + 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; } - n = i->fragment_size; + n = (int) i->fragment_size; setsockopt(i->app_fd, SOL_SOCKET, SO_SNDBUF, &n, sizeof(n)); - n = i->fragment_size; + n = (int) i->fragment_size; setsockopt(i->thread_fd, SOL_SOCKET, SO_RCVBUF, &n, sizeof(n)); - + return 0; fail: @@ -953,8 +1051,8 @@ fail: static int create_record_stream(fd_info *i) { pa_buffer_attr attr; - int n; - + int n, flags; + assert(i); fix_metrics(i); @@ -969,19 +1067,24 @@ static int create_record_stream(fd_info *i) { pa_stream_set_latency_update_callback(i->rec_stream, stream_latency_update_cb, 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))); + attr.maxlength = (uint32_t) (i->fragment_size * (i->n_fragments+1)); + attr.fragsize = (uint32_t) i->fragment_size; + + 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; } - n = i->fragment_size; + n = (int) i->fragment_size; setsockopt(i->app_fd, SOL_SOCKET, SO_RCVBUF, &n, sizeof(n)); - n = i->fragment_size; + n = (int) i->fragment_size; setsockopt(i->thread_fd, SOL_SOCKET, SO_SNDBUF, &n, sizeof(n)); - + return 0; fail: @@ -995,12 +1098,21 @@ static void free_streams(fd_info *i) { pa_stream_disconnect(i->play_stream); pa_stream_unref(i->play_stream); i->play_stream = NULL; + i->io_flags |= PA_IO_EVENT_INPUT; } if (i->rec_stream) { pa_stream_disconnect(i->rec_stream); pa_stream_unref(i->rec_stream); i->rec_stream = NULL; + i->io_flags |= PA_IO_EVENT_OUTPUT; + } + + if (i->io_event) { + pa_mainloop_api *api; + + api = pa_threaded_mainloop_get_api(i->mainloop); + api->io_enable(i->io_event, i->io_flags); } } @@ -1008,7 +1120,7 @@ static void io_event_cb(pa_mainloop_api *api, pa_io_event *e, int fd, pa_io_even fd_info *i = userdata; pa_threaded_mainloop_signal(i->mainloop, 0); - + if (flags & PA_IO_EVENT_INPUT) { if (!i->play_stream) { @@ -1018,7 +1130,7 @@ static void io_event_cb(pa_mainloop_api *api, pa_io_event *e, int fd, pa_io_even if (fd_info_copy_data(i, 0) < 0) goto fail; } - + } else if (flags & PA_IO_EVENT_OUTPUT) { if (!i->rec_stream) { @@ -1033,7 +1145,7 @@ static void io_event_cb(pa_mainloop_api *api, pa_io_event *e, int fd, pa_io_even goto fail; return; - + fail: /* We can't do anything better than removing the event source */ fd_info_shutdown(i); @@ -1083,7 +1195,7 @@ static int dsp_open(int flags, int *_errno) { 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); @@ -1091,7 +1203,7 @@ static int dsp_open(int flags, int *_errno) { fd_info_add_to_list(i); ret = i->app_fd; fd_info_unref(i); - + return ret; fail: @@ -1099,7 +1211,7 @@ fail: if (i) fd_info_unref(i); - + *_errno = EIO; debug(DEBUG_LEVEL_NORMAL, __FILE__": dsp_open() failed\n"); @@ -1110,7 +1222,7 @@ fail: static void sink_info_cb(pa_context *context, const pa_sink_info *si, int eol, void *userdata) { fd_info *i = userdata; - if (!si && eol < 0) { + if (!si || eol < 0) { i->operation_success = 0; pa_threaded_mainloop_signal(i->mainloop, 0); return; @@ -1121,7 +1233,7 @@ static void sink_info_cb(pa_context *context, const pa_sink_info *si, int eol, v if (!pa_cvolume_equal(&i->sink_volume, &si->volume)) i->volume_modify_count++; - + i->sink_volume = si->volume; i->sink_index = si->index; @@ -1132,7 +1244,7 @@ static void sink_info_cb(pa_context *context, const pa_sink_info *si, int eol, v static void source_info_cb(pa_context *context, const pa_source_info *si, int eol, void *userdata) { fd_info *i = userdata; - if (!si && eol < 0) { + if (!si || eol < 0) { i->operation_success = 0; pa_threaded_mainloop_signal(i->mainloop, 0); return; @@ -1143,7 +1255,7 @@ static void source_info_cb(pa_context *context, const pa_source_info *si, int eo if (!pa_cvolume_equal(&i->source_volume, &si->volume)) i->volume_modify_count++; - + i->source_volume = si->volume; i->source_index = si->index; @@ -1176,13 +1288,13 @@ static int mixer_open(int flags, int *_errno) { 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; @@ -1257,7 +1369,7 @@ static int mixer_open(int flags, int *_errno) { fd_info_add_to_list(i); ret = i->app_fd; fd_info_unref(i); - + return ret; fail: @@ -1268,7 +1380,7 @@ fail: if (i) fd_info_unref(i); - + *_errno = EIO; debug(DEBUG_LEVEL_NORMAL, __FILE__": mixer_open() failed\n"); @@ -1300,16 +1412,18 @@ static int sndstat_open(int flags, int *_errno) { "Mixers:\n" "0: PulseAudio Virtual OSS\n"; - char fn[] = "/tmp/padsp-sndstat-XXXXXX"; + char *fn; mode_t u; int fd = -1; int e; + fn = pa_sprintf_malloc("%s" PA_PATH_SEP "padsp-sndstat-XXXXXX", pa_get_temp_dir()); + 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; @@ -1329,6 +1443,7 @@ static int sndstat_open(int flags, int *_errno) { } unlink(fn); + pa_xfree(fn); if (write(fd, sndstat, sizeof(sndstat) -1) != sizeof(sndstat)-1) { *_errno = errno; @@ -1345,55 +1460,82 @@ static int sndstat_open(int flags, int *_errno) { return fd; fail: + pa_xfree(fn); if (fd >= 0) close(fd); 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); + debug(DEBUG_LEVEL_VERBOSE, __FILE__": open(%s)\n", filename?filename:"NULL"); 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 (filename && dsp_cloak_enable() && (pa_streq(filename, "/dev/dsp") || pa_streq(filename, "/dev/adsp") || pa_streq(filename, "/dev/audio"))) r = dsp_open(flags, &_errno); - } else if (mixer_cloak_enable() && strcmp(filename, "/dev/mixer") == 0) { + else if (filename && mixer_cloak_enable() && pa_streq(filename, "/dev/mixer")) r = mixer_open(flags, &_errno); - } else if (sndstat_cloak_enable() && strcmp(filename, "/dev/sndstat") == 0) { + else if (filename && sndstat_cloak_enable() && pa_streq(filename, "/dev/sndstat")) 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 = (mode_t) va_arg(args, int); + else + mode = va_arg(args, mode_t); + va_end(args); + } + + return real_open(filename, flags, mode); +} + +static pa_bool_t is_audio_device_node(const char *path) { + return + pa_streq(path, "/dev/dsp") || + pa_streq(path, "/dev/adsp") || + pa_streq(path, "/dev/audio") || + pa_streq(path, "/dev/sndstat") || + pa_streq(path, "/dev/mixer"); +} + +int __open_2(const char *filename, int flags) { + debug(DEBUG_LEVEL_VERBOSE, __FILE__": __open_2(%s)\n", filename?filename:"NULL"); + + if ((flags & O_CREAT) || + !filename || + !is_audio_device_node(filename)) { + LOAD___OPEN_2_FUNC(); + return ___open_2(filename, flags); + } + return real_open(filename, flags, 0); +} + 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"); @@ -1406,7 +1548,7 @@ static int mixer_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno *(int*) argp = SOUND_MASK_IGAIN; break; - + case SOUND_MIXER_READ_STEREODEVS: debug(DEBUG_LEVEL_NORMAL, __FILE__": SOUND_MIXER_READ_STEREODEVS\n"); @@ -1417,7 +1559,7 @@ static int mixer_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno if (i->source_volume.channels > 1) *(int*) argp |= SOUND_MASK_IGAIN; pa_threaded_mainloop_unlock(i->mainloop); - + break; case SOUND_MIXER_READ_RECSRC: @@ -1435,7 +1577,7 @@ static int mixer_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno *(int*) argp = 0; break; - + case SOUND_MIXER_READ_PCM: case SOUND_MIXER_READ_IGAIN: { pa_cvolume *v; @@ -1454,7 +1596,7 @@ static int mixer_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno *(int*) argp = ((v->values[0]*100/PA_VOLUME_NORM)) | - ((v->values[v->channels > 1 ? 1 : 0]*100/PA_VOLUME_NORM) << 8); + ((v->values[v->channels > 1 ? 1 : 0]*100/PA_VOLUME_NORM) << 8); pa_threaded_mainloop_unlock(i->mainloop); @@ -1465,14 +1607,14 @@ static int mixer_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno 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 { @@ -1486,10 +1628,10 @@ static int mixer_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno if (!pa_cvolume_equal(pv, &v)) { pa_operation *o; - if (request == SOUND_MIXER_READ_PCM) - o = pa_context_set_sink_volume_by_index(i->context, i->sink_index, pv, NULL, NULL); + 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, NULL, NULL); + o = pa_context_set_source_volume_by_index(i->context, i->source_index, pv, context_success_cb, i); if (!o) debug(DEBUG_LEVEL_NORMAL, __FILE__":Failed set volume: %s", pa_strerror(pa_context_errno(i->context))); @@ -1498,23 +1640,23 @@ static int mixer_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno 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; } @@ -1531,7 +1673,7 @@ static int mixer_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno pa_threaded_mainloop_unlock(i->mainloop); break; } - + default: debug(DEBUG_LEVEL_NORMAL, __FILE__": unknown ioctl 0x%08lx\n", request); @@ -1540,44 +1682,44 @@ static int mixer_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno } 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; @@ -1649,14 +1791,14 @@ static int dsp_flush_socket(fd_info *i) { 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; @@ -1666,7 +1808,7 @@ static int dsp_empty_socket(fd_info *i) { ret = 0; break; } - + pa_threaded_mainloop_wait(i->mainloop); } @@ -1683,19 +1825,19 @@ static int dsp_drain(fd_info *i) { 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; @@ -1704,7 +1846,7 @@ static int dsp_drain(fd_info *i) { 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); } @@ -1714,15 +1856,15 @@ static int dsp_drain(fd_info *i) { } r = 0; - + fail: - + if (o) pa_operation_unref(o); pa_threaded_mainloop_unlock(i->mainloop); - return 0; + return r; } static int dsp_trigger(fd_info *i) { @@ -1738,7 +1880,7 @@ static int dsp_trigger(fd_info *i) { 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; @@ -1747,7 +1889,7 @@ static int dsp_trigger(fd_info *i) { 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); } @@ -1757,24 +1899,72 @@ static int dsp_trigger(fd_info *i) { } r = 0; - + fail: - + if (o) pa_operation_unref(o); pa_threaded_mainloop_unlock(i->mainloop); - return 0; + return r; +} + +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); + + pa_threaded_mainloop_unlock(i->mainloop); + + return r; } 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) @@ -1787,12 +1977,12 @@ static int dsp_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno) 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); @@ -1804,7 +1994,7 @@ static int dsp_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno) 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); @@ -1816,24 +2006,24 @@ static int dsp_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno) 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; @@ -1843,7 +2033,7 @@ static int dsp_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno) i->sample_spec = ss; free_streams(i); } - + pa_threaded_mainloop_unlock(i->mainloop); if (!valid) { @@ -1861,17 +2051,17 @@ static int dsp_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno) 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%8x\n", *(int*) argp); - + 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); + + i->fragment_size = 1 << ((*(int*) argp) & 31); i->n_fragments = (*(int*) argp) >> 16; /* 0x7FFF means that we can set whatever we like */ @@ -1879,30 +2069,30 @@ static int dsp_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno) 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; @@ -1920,10 +2110,10 @@ static int dsp_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno) 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 @@ -1938,38 +2128,76 @@ static int dsp_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno) 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); - reset_params(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_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: + 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; @@ -2035,16 +2263,86 @@ static int dsp_ioctl(fd_info *i, unsigned long request, void*argp, int *_errno) 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; + + 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; + + 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; + + 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 (;;) { + pa_usec_t usec; + + PLAYBACK_STREAM_CHECK_DEAD_GOTO(i, exit_loop2); + + 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; + i->optr_n_blocks = m; + + break; + } + + if (pa_context_errno(i->context) != PA_ERR_NODATA) { + debug(DEBUG_LEVEL_NORMAL, __FILE__": pa_stream_get_latency(): %s\n", pa_strerror(pa_context_errno(i->context))); + break; + } + + pa_threaded_mainloop_wait(i->mainloop); + } + + exit_loop2: + + 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); + + break; + } + case SNDCTL_DSP_GETIPTR: debug(DEBUG_LEVEL_NORMAL, __FILE__": invalid ioctl SNDCTL_DSP_GETIPTR\n"); goto inval; - case SNDCTL_DSP_GETOPTR: - debug(DEBUG_LEVEL_NORMAL, __FILE__": invalid ioctl SNDCTL_DSP_GETOPTR\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; @@ -2052,13 +2350,17 @@ inval: } ret = 0; - + fail: - + return ret; } +#ifdef sun +int ioctl(int fd, int request, ...) { +#else int ioctl(int fd, unsigned long request, ...) { +#endif fd_info *i; va_list args; void *argp; @@ -2085,14 +2387,14 @@ int ioctl(int fd, unsigned long request, ...) { 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; } @@ -2114,24 +2416,23 @@ int close(int fd) { fd_info_remove_from_list(i); fd_info_unref(i); - + function_exit(); return 0; } int access(const char *pathname, int mode) { - debug(DEBUG_LEVEL_VERBOSE, __FILE__": access(%s)\n", pathname); - 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__": access(%s)\n", pathname?pathname:"NULL"); + + if (!pathname || + !is_audio_device_node(pathname)) { LOAD_ACCESS_FUNC(); return _access(pathname, mode); } - if (mode & (W_OK | X_OK)) { + if (mode & X_OK) { debug(DEBUG_LEVEL_NORMAL, __FILE__": access(%s, %x) = EACCESS\n", pathname, mode); errno = EACCES; return -1; @@ -2142,43 +2443,189 @@ int access(const char *pathname, int mode) { 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 || + !is_audio_device_node(pathname)) { + debug(DEBUG_LEVEL_VERBOSE, __FILE__": stat(%s)\n", pathname?pathname:"NULL"); + 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; + + debug(DEBUG_LEVEL_VERBOSE, __FILE__": stat64(%s)\n", pathname?pathname:"NULL"); + + if (!pathname || + !buf || + !is_audio_device_node(pathname)) { + 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); + debug(DEBUG_LEVEL_VERBOSE, __FILE__": open64(%s)\n", filename?filename:"NULL"); + + 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 && - strcmp(filename, "/dev/sndstat") != 0 && - strcmp(filename, "/dev/mixer") != 0) { + if (!filename || + !is_audio_device_node(filename)) { LOAD_OPEN64_FUNC(); return _open64(filename, flags, mode); } - return open(filename, flags, mode); + return real_open(filename, flags, mode); +} + +int __open64_2(const char *filename, int flags) { + debug(DEBUG_LEVEL_VERBOSE, __FILE__": __open64_2(%s)\n", filename?filename:"NULL"); + + if ((flags & O_CREAT) || + !filename || + !is_audio_device_node(filename)) { + LOAD___OPEN64_2_FUNC(); + return ___open64_2(filename, flags); + } + + return real_open(filename, flags, 0); +} + +#endif + +#ifdef _STAT_VER + +int __xstat(int ver, const char *pathname, struct stat *buf) { + debug(DEBUG_LEVEL_VERBOSE, __FILE__": __xstat(%s)\n", pathname?pathname:"NULL"); + + if (!pathname || + !buf || + !is_audio_device_node(pathname)) { + 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) { + debug(DEBUG_LEVEL_VERBOSE, __FILE__": __xstat64(%s)\n", pathname?pathname:"NULL"); + + if (!pathname || + !buf || + !is_audio_device_node(pathname)) { + 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 && - strcmp(filename, "/dev/adsp") != 0 && - strcmp(filename, "/dev/sndstat") != 0 && - strcmp(filename, "/dev/mixer") != 0) { + debug(DEBUG_LEVEL_VERBOSE, __FILE__": fopen(%s)\n", filename?filename:"NULL"); + + if (!filename || + !mode || + !is_audio_device_node(filename)) { LOAD_FOPEN_FUNC(); return _fopen(filename, mode); } @@ -2199,14 +2646,14 @@ FILE* fopen(const char *filename, const char *mode) { 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; } @@ -2214,12 +2661,11 @@ FILE* fopen(const char *filename, const char *mode) { FILE *fopen64(const char *filename, const char *mode) { - debug(DEBUG_LEVEL_VERBOSE, __FILE__": fopen64(%s)\n", filename); + debug(DEBUG_LEVEL_VERBOSE, __FILE__": fopen64(%s)\n", filename?filename:"NULL"); - if (strcmp(filename, "/dev/dsp") != 0 && - strcmp(filename, "/dev/adsp") != 0 && - strcmp(filename, "/dev/sndstat") != 0 && - strcmp(filename, "/dev/mixer") != 0) { + if (!filename || + !mode || + !is_audio_device_node(filename)) { LOAD_FOPEN64_FUNC(); return _fopen64(filename, mode); } @@ -2250,9 +2696,9 @@ int fclose(FILE *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(); |
