-/* $Id$ */
-
/***
- This file is part of polypaudio.
-
- polypaudio is free software; you can redistribute it and/or modify
+ This file is part of PulseAudio.
+
+ Copyright 2006 Lennart Poettering
+ Copyright 2006-2007 Pierre Ossman <ossman@cendio.se> for Cendio AB
+ Copyright 2009 Finn Thain
+
+ 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.
-
- polypaudio is distributed in the hope that it will be useful, but
+
+ 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 polypaudio; if not, write to the Free Software
+ along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#include <stdlib.h>
#include <stdio.h>
-#include <assert.h>
#include <errno.h>
-#include <string.h>
#include <fcntl.h>
#include <unistd.h>
-#include <limits.h>
#include <sys/ioctl.h>
-#include <sys/stat.h>
#include <sys/types.h>
#include <signal.h>
#include <sys/conf.h>
#include <sys/audio.h>
-#include <polyp/mainloop-signal.h>
-
-#include <polypcore/iochannel.h>
-#include <polypcore/sink.h>
-#include <polypcore/source.h>
-#include <polypcore/module.h>
-#include <polypcore/sample-util.h>
-#include <polypcore/util.h>
-#include <polypcore/modargs.h>
-#include <polypcore/xmalloc.h>
-#include <polypcore/log.h>
+#include <pulse/mainloop-signal.h>
+#include <pulse/xmalloc.h>
+#include <pulse/timeval.h>
+#include <pulse/util.h>
+#include <pulse/rtclock.h>
+
+#include <pulsecore/sink.h>
+#include <pulsecore/source.h>
+#include <pulsecore/module.h>
+#include <pulsecore/sample-util.h>
+#include <pulsecore/core-util.h>
+#include <pulsecore/modargs.h>
+#include <pulsecore/log.h>
+#include <pulsecore/core-error.h>
+#include <pulsecore/thread-mq.h>
+#include <pulsecore/rtpoll.h>
+#include <pulsecore/thread.h>
+#include <pulsecore/time-smoother.h>
#include "module-solaris-symdef.h"
-PA_MODULE_AUTHOR("Pierre Ossman")
-PA_MODULE_DESCRIPTION("Solaris Sink/Source")
-PA_MODULE_VERSION(PACKAGE_VERSION)
-PA_MODULE_USAGE("sink_name=<name for the sink> source_name=<name for the source> device=<OSS device> record=<enable source?> playback=<enable sink?> format=<sample format> channels=<number of channels> rate=<sample rate> buffer_size=<record buffer size>")
+PA_MODULE_AUTHOR("Pierre Ossman");
+PA_MODULE_DESCRIPTION("Solaris Sink/Source");
+PA_MODULE_VERSION(PACKAGE_VERSION);
+PA_MODULE_USAGE(
+ "sink_name=<name for the sink> "
+ "sink_properties=<properties for the sink> "
+ "source_name=<name for the source> "
+ "source_properties=<properties for the source> "
+ "device=<audio device file name> "
+ "record=<enable source?> "
+ "playback=<enable sink?> "
+ "format=<sample format> "
+ "channels=<number of channels> "
+ "rate=<sample rate> "
+ "buffer_length=<milliseconds> "
+ "channel_map=<channel map>");
+PA_MODULE_LOAD_ONCE(false);
struct userdata {
+ pa_core *core;
pa_sink *sink;
pa_source *source;
- pa_iochannel *io;
- pa_core *core;
+
+ pa_thread *thread;
+ pa_thread_mq thread_mq;
+ pa_rtpoll *rtpoll;
+
pa_signal_event *sig;
- pa_memchunk memchunk, silence;
+ pa_memchunk memchunk;
- uint32_t sample_size;
- uint32_t buffer_size;
- unsigned int written_bytes, read_bytes;
+ uint32_t frame_size;
+ int32_t buffer_size;
+ uint64_t written_bytes, read_bytes;
+ char *device_name;
+ int mode;
int fd;
+ pa_rtpoll_item *rtpoll_item;
pa_module *module;
+
+ bool sink_suspended, source_suspended;
+
+ uint32_t play_samples_msw, record_samples_msw;
+ uint32_t prev_playback_samples, prev_record_samples;
+
+ int32_t minimum_request;
+
+ pa_smoother *smoother;
};
static const char* const valid_modargs[] = {
"sink_name",
+ "sink_properties",
"source_name",
+ "source_properties",
"device",
"record",
"playback",
- "buffer_size",
+ "buffer_length",
"format",
"rate",
"channels",
+ "channel_map",
NULL
};
-#define DEFAULT_SINK_NAME "solaris_output"
-#define DEFAULT_SOURCE_NAME "solaris_input"
#define DEFAULT_DEVICE "/dev/audio"
-#define CHUNK_SIZE 2048
+#define MAX_RENDER_HZ (300)
+/* This render rate limit imposes a minimum latency, but without it we waste too much CPU time. */
-static void update_usage(struct userdata *u) {
- pa_module_set_used(u->module,
- (u->sink ? pa_idxset_size(u->sink->inputs) : 0) +
- (u->sink ? pa_idxset_size(u->sink->monitor_source->outputs) : 0) +
- (u->source ? pa_idxset_size(u->source->outputs) : 0));
-}
+#define MAX_BUFFER_SIZE (128 * 1024)
+/* An attempt to buffer more than 128 KB causes write() to fail with errno == EAGAIN. */
-static void do_write(struct userdata *u) {
+static uint64_t get_playback_buffered_bytes(struct userdata *u) {
audio_info_t info;
+ uint64_t played_bytes;
int err;
- pa_memchunk *memchunk;
- size_t len;
- ssize_t r;
-
- assert(u);
-
- if (!u->sink || !pa_iochannel_is_writable(u->io))
- return;
- update_usage(u);
+ pa_assert(u->sink);
err = ioctl(u->fd, AUDIO_GETINFO, &info);
- assert(err >= 0);
-
- /*
- * Since we cannot modify the size of the output buffer we fake it
- * by not filling it more than u->buffer_size.
- */
- len = u->buffer_size;
- len -= u->written_bytes - (info.play.samples * u->sample_size);
-
- /*
- * Do not fill more than half the buffer in one chunk since we only
- * get notifications upon completion of entire chunks.
- */
- if (len > (u->buffer_size / 2))
- len = u->buffer_size / 2;
-
- if (len < u->sample_size)
- return;
-
- memchunk = &u->memchunk;
-
- if (!memchunk->length)
- if (pa_sink_render(u->sink, len, memchunk) < 0)
- memchunk = &u->silence;
-
- assert(memchunk->memblock);
- assert(memchunk->memblock->data);
- assert(memchunk->length);
-
- if (memchunk->length < len)
- len = memchunk->length;
-
- if ((r = pa_iochannel_write(u->io, (uint8_t*) memchunk->memblock->data + memchunk->index, len)) < 0) {
- pa_log(__FILE__": write() failed: %s", strerror(errno));
- return;
- }
-
- if (memchunk == &u->silence)
- assert(r % u->sample_size == 0);
- else {
- u->memchunk.index += r;
- u->memchunk.length -= r;
-
- if (u->memchunk.length <= 0) {
- pa_memblock_unref(u->memchunk.memblock);
- u->memchunk.memblock = NULL;
+ pa_assert(err >= 0);
+
+ /* Handle wrap-around of the device's sample counter, which is a uint_32. */
+ if (u->prev_playback_samples > info.play.samples) {
+ /*
+ * Unfortunately info.play.samples can sometimes go backwards, even before it wraps!
+ * The bug seems to be absent on Solaris x86 nv117 with audio810 driver, at least on this (UP) machine.
+ * The bug is present on a different (SMP) machine running Solaris x86 nv103 with audioens driver.
+ * An earlier revision of this file mentions the same bug independently (unknown configuration).
+ */
+ if (u->prev_playback_samples + info.play.samples < 240000) {
+ ++u->play_samples_msw;
+ } else {
+ pa_log_debug("play.samples went backwards %d bytes", u->prev_playback_samples - info.play.samples);
}
}
+ u->prev_playback_samples = info.play.samples;
+ played_bytes = (((uint64_t)u->play_samples_msw << 32) + info.play.samples) * u->frame_size;
- u->written_bytes += r;
+ pa_smoother_put(u->smoother, pa_rtclock_now(), pa_bytes_to_usec(played_bytes, &u->sink->sample_spec));
- /*
- * Write 0 bytes which will generate a SIGPOLL when "played".
- */
- if (write(u->fd, NULL, 0) < 0) {
- pa_log(__FILE__": write() failed: %s", strerror(errno));
- return;
- }
+ if (u->written_bytes > played_bytes)
+ return u->written_bytes - played_bytes;
+ else
+ return 0;
}
-static void do_read(struct userdata *u) {
- pa_memchunk memchunk;
- int err, l;
- ssize_t r;
- assert(u);
-
- if (!u->source || !pa_iochannel_is_readable(u->io))
- return;
-
- update_usage(u);
+static pa_usec_t sink_get_latency(struct userdata *u, pa_sample_spec *ss) {
+ pa_usec_t r = 0;
- err = ioctl(u->fd, I_NREAD, &l);
- assert(err >= 0);
+ pa_assert(u);
+ pa_assert(ss);
- memchunk.memblock = pa_memblock_new(l, u->core->memblock_stat);
- assert(memchunk.memblock);
- if ((r = pa_iochannel_read(u->io, memchunk.memblock->data, memchunk.memblock->length)) < 0) {
- pa_memblock_unref(memchunk.memblock);
- if (errno != EAGAIN)
- pa_log(__FILE__": read() failed: %s", strerror(errno));
- return;
+ if (u->fd >= 0) {
+ r = pa_bytes_to_usec(get_playback_buffered_bytes(u), ss);
+ if (u->memchunk.memblock)
+ r += pa_bytes_to_usec(u->memchunk.length, ss);
}
-
- assert(r <= (ssize_t) memchunk.memblock->length);
- memchunk.length = memchunk.memblock->length = r;
- memchunk.index = 0;
-
- pa_source_post(u->source, &memchunk);
- pa_memblock_unref(memchunk.memblock);
-
- u->read_bytes += r;
-}
-
-static void io_callback(pa_iochannel *io, void*userdata) {
- struct userdata *u = userdata;
- assert(u);
- do_write(u);
- do_read(u);
-}
-
-void sig_callback(pa_mainloop_api *api, pa_signal_event*e, int sig, void *userdata) {
- struct userdata *u = userdata;
- assert(u);
- do_write(u);
+ return r;
}
-static pa_usec_t sink_get_latency_cb(pa_sink *s) {
- pa_usec_t r = 0;
+static uint64_t get_recorded_bytes(struct userdata *u) {
audio_info_t info;
+ uint64_t result;
int err;
- struct userdata *u = s->userdata;
- assert(s && u && u->sink);
- err = ioctl(u->fd, AUDIO_GETINFO, &info);
- assert(err >= 0);
+ pa_assert(u->source);
- r += pa_bytes_to_usec(u->written_bytes, &s->sample_spec);
- r -= pa_bytes_to_usec(info.play.samples * u->sample_size, &s->sample_spec);
+ err = ioctl(u->fd, AUDIO_GETINFO, &info);
+ pa_assert(err >= 0);
- if (u->memchunk.memblock)
- r += pa_bytes_to_usec(u->memchunk.length, &s->sample_spec);
+ if (u->prev_record_samples > info.record.samples)
+ ++u->record_samples_msw;
+ u->prev_record_samples = info.record.samples;
+ result = (((uint64_t)u->record_samples_msw << 32) + info.record.samples) * u->frame_size;
- return r;
+ return result;
}
-static pa_usec_t source_get_latency_cb(pa_source *s) {
+static pa_usec_t source_get_latency(struct userdata *u, pa_sample_spec *ss) {
pa_usec_t r = 0;
- struct userdata *u = s->userdata;
audio_info_t info;
- int err;
- assert(s && u && u->source);
- err = ioctl(u->fd, AUDIO_GETINFO, &info);
- assert(err >= 0);
+ pa_assert(u);
+ pa_assert(ss);
- r += pa_bytes_to_usec(info.record.samples * u->sample_size, &s->sample_spec);
- r -= pa_bytes_to_usec(u->read_bytes, &s->sample_spec);
+ if (u->fd) {
+ int err = ioctl(u->fd, AUDIO_GETINFO, &info);
+ pa_assert(err >= 0);
+ r = pa_bytes_to_usec(get_recorded_bytes(u), ss) - pa_bytes_to_usec(u->read_bytes, ss);
+ }
return r;
}
-static int sink_get_hw_volume_cb(pa_sink *s) {
- struct userdata *u = s->userdata;
- audio_info_t info;
- int err;
-
- err = ioctl(u->fd, AUDIO_GETINFO, &info);
- assert(err >= 0);
+static void build_pollfd(struct userdata *u) {
+ struct pollfd *pollfd;
- pa_cvolume_set(&s->hw_volume, s->hw_volume.channels,
- info.play.gain * PA_VOLUME_NORM / AUDIO_MAX_GAIN);
+ pa_assert(u);
+ pa_assert(!u->rtpoll_item);
+ u->rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1);
- return 0;
+ pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
+ pollfd->fd = u->fd;
+ pollfd->events = 0;
+ pollfd->revents = 0;
}
-static int sink_set_hw_volume_cb(pa_sink *s) {
- struct userdata *u = s->userdata;
+static int set_buffer(int fd, int buffer_size) {
audio_info_t info;
- AUDIO_INITINFO(&info);
+ pa_assert(fd >= 0);
- info.play.gain = pa_cvolume_avg(&s->hw_volume) * AUDIO_MAX_GAIN / PA_VOLUME_NORM;
- assert(info.play.gain <= AUDIO_MAX_GAIN);
+ AUDIO_INITINFO(&info);
+ info.play.buffer_size = buffer_size;
+ info.record.buffer_size = buffer_size;
- if (ioctl(u->fd, AUDIO_SETINFO, &info) < 0) {
+ if (ioctl(fd, AUDIO_SETINFO, &info) < 0) {
if (errno == EINVAL)
- pa_log(__FILE__": AUDIO_SETINFO: Unsupported volume.");
+ pa_log("AUDIO_SETINFO: Unsupported buffer size.");
else
- pa_log(__FILE__": AUDIO_SETINFO: %s", strerror(errno));
+ pa_log("AUDIO_SETINFO: %s", pa_cstrerror(errno));
return -1;
}
return 0;
}
-static int pa_solaris_auto_format(int fd, int mode, pa_sample_spec *ss) {
+static int auto_format(int fd, int mode, pa_sample_spec *ss) {
audio_info_t info;
+ pa_assert(fd >= 0);
+ pa_assert(ss);
+
AUDIO_INITINFO(&info);
if (mode != O_RDONLY) {
info.play.encoding = AUDIO_ENCODING_LINEAR;
break;
default:
+ pa_log("AUDIO_SETINFO: Unsupported sample format.");
return -1;
}
}
info.record.encoding = AUDIO_ENCODING_LINEAR;
break;
default:
+ pa_log("AUDIO_SETINFO: Unsupported sample format.");
return -1;
}
}
if (ioctl(fd, AUDIO_SETINFO, &info) < 0) {
if (errno == EINVAL)
- pa_log(__FILE__": AUDIO_SETINFO: Unsupported sample format.");
+ pa_log("AUDIO_SETINFO: Failed to set sample format.");
else
- pa_log(__FILE__": AUDIO_SETINFO: %s", strerror(errno));
+ pa_log("AUDIO_SETINFO: %s", pa_cstrerror(errno));
+ return -1;
+ }
+
+ return 0;
+}
+
+static int open_audio_device(struct userdata *u, pa_sample_spec *ss) {
+ pa_assert(u);
+ pa_assert(ss);
+
+ if ((u->fd = pa_open_cloexec(u->device_name, u->mode | O_NONBLOCK, 0)) < 0) {
+ pa_log_warn("open %s failed (%s)", u->device_name, pa_cstrerror(errno));
+ return -1;
+ }
+
+ pa_log_info("device opened in %s mode.", u->mode == O_WRONLY ? "O_WRONLY" : (u->mode == O_RDONLY ? "O_RDONLY" : "O_RDWR"));
+
+ if (auto_format(u->fd, u->mode, ss) < 0)
+ return -1;
+
+ if (set_buffer(u->fd, u->buffer_size) < 0)
return -1;
+
+ u->written_bytes = u->read_bytes = 0;
+ u->play_samples_msw = u->record_samples_msw = 0;
+ u->prev_playback_samples = u->prev_record_samples = 0;
+
+ return u->fd;
+}
+
+static int suspend(struct userdata *u) {
+ pa_assert(u);
+ pa_assert(u->fd >= 0);
+
+ pa_log_info("Suspending...");
+
+ ioctl(u->fd, I_FLUSH, FLUSHRW);
+ pa_close(u->fd);
+ u->fd = -1;
+
+ if (u->rtpoll_item) {
+ pa_rtpoll_item_free(u->rtpoll_item);
+ u->rtpoll_item = NULL;
}
+ pa_log_info("Device suspended.");
+
return 0;
}
-static int pa_solaris_set_buffer(int fd, int buffer_size) {
+static int unsuspend(struct userdata *u) {
+ pa_assert(u);
+ pa_assert(u->fd < 0);
+
+ pa_log_info("Resuming...");
+
+ if (open_audio_device(u, u->sink ? &u->sink->sample_spec : &u->source->sample_spec) < 0)
+ return -1;
+
+ build_pollfd(u);
+
+ pa_log_info("Device resumed.");
+
+ return 0;
+}
+
+static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
+ struct userdata *u = PA_SINK(o)->userdata;
+
+ switch (code) {
+
+ case PA_SINK_MESSAGE_GET_LATENCY:
+ *((pa_usec_t*) data) = sink_get_latency(u, &PA_SINK(o)->sample_spec);
+ return 0;
+
+ case PA_SINK_MESSAGE_SET_STATE:
+
+ switch ((pa_sink_state_t) PA_PTR_TO_UINT(data)) {
+
+ case PA_SINK_SUSPENDED:
+
+ pa_assert(PA_SINK_IS_OPENED(u->sink->thread_info.state));
+
+ pa_smoother_pause(u->smoother, pa_rtclock_now());
+
+ if (!u->source || u->source_suspended) {
+ if (suspend(u) < 0)
+ return -1;
+ }
+ u->sink_suspended = true;
+ break;
+
+ case PA_SINK_IDLE:
+ case PA_SINK_RUNNING:
+
+ if (u->sink->thread_info.state == PA_SINK_SUSPENDED) {
+ pa_smoother_resume(u->smoother, pa_rtclock_now(), true);
+
+ if (!u->source || u->source_suspended) {
+ if (unsuspend(u) < 0)
+ return -1;
+ u->sink->get_volume(u->sink);
+ u->sink->get_mute(u->sink);
+ }
+ u->sink_suspended = false;
+ }
+ break;
+
+ case PA_SINK_INVALID_STATE:
+ case PA_SINK_UNLINKED:
+ case PA_SINK_INIT:
+ ;
+ }
+
+ break;
+ }
+
+ return pa_sink_process_msg(o, code, data, offset, chunk);
+}
+
+static int source_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
+ struct userdata *u = PA_SOURCE(o)->userdata;
+
+ switch (code) {
+
+ case PA_SOURCE_MESSAGE_GET_LATENCY:
+ *((pa_usec_t*) data) = source_get_latency(u, &PA_SOURCE(o)->sample_spec);
+ return 0;
+
+ case PA_SOURCE_MESSAGE_SET_STATE:
+
+ switch ((pa_source_state_t) PA_PTR_TO_UINT(data)) {
+
+ case PA_SOURCE_SUSPENDED:
+
+ pa_assert(PA_SOURCE_IS_OPENED(u->source->thread_info.state));
+
+ if (!u->sink || u->sink_suspended) {
+ if (suspend(u) < 0)
+ return -1;
+ }
+ u->source_suspended = true;
+ break;
+
+ case PA_SOURCE_IDLE:
+ case PA_SOURCE_RUNNING:
+
+ if (u->source->thread_info.state == PA_SOURCE_SUSPENDED) {
+ if (!u->sink || u->sink_suspended) {
+ if (unsuspend(u) < 0)
+ return -1;
+ u->source->get_volume(u->source);
+ }
+ u->source_suspended = false;
+ }
+ break;
+
+ case PA_SOURCE_UNLINKED:
+ case PA_SOURCE_INIT:
+ case PA_SOURCE_INVALID_STATE:
+ ;
+
+ }
+ break;
+
+ }
+
+ return pa_source_process_msg(o, code, data, offset, chunk);
+}
+
+static void sink_set_volume(pa_sink *s) {
+ struct userdata *u;
audio_info_t info;
- AUDIO_INITINFO(&info);
+ pa_assert_se(u = s->userdata);
- info.record.buffer_size = buffer_size;
+ if (u->fd >= 0) {
+ AUDIO_INITINFO(&info);
- if (ioctl(fd, AUDIO_SETINFO, &info) < 0) {
- if (errno == EINVAL)
- pa_log(__FILE__": AUDIO_SETINFO: Unsupported buffer size.");
+ info.play.gain = pa_cvolume_max(&s->real_volume) * AUDIO_MAX_GAIN / PA_VOLUME_NORM;
+ assert(info.play.gain <= AUDIO_MAX_GAIN);
+
+ if (ioctl(u->fd, AUDIO_SETINFO, &info) < 0) {
+ if (errno == EINVAL)
+ pa_log("AUDIO_SETINFO: Unsupported volume.");
+ else
+ pa_log("AUDIO_SETINFO: %s", pa_cstrerror(errno));
+ }
+ }
+}
+
+static void sink_get_volume(pa_sink *s) {
+ struct userdata *u;
+ audio_info_t info;
+
+ pa_assert_se(u = s->userdata);
+
+ if (u->fd >= 0) {
+ if (ioctl(u->fd, AUDIO_GETINFO, &info) < 0)
+ pa_log("AUDIO_SETINFO: %s", pa_cstrerror(errno));
+ else
+ pa_cvolume_set(&s->real_volume, s->sample_spec.channels, info.play.gain * PA_VOLUME_NORM / AUDIO_MAX_GAIN);
+ }
+}
+
+static void source_set_volume(pa_source *s) {
+ struct userdata *u;
+ audio_info_t info;
+
+ pa_assert_se(u = s->userdata);
+
+ if (u->fd >= 0) {
+ AUDIO_INITINFO(&info);
+
+ info.play.gain = pa_cvolume_max(&s->real_volume) * AUDIO_MAX_GAIN / PA_VOLUME_NORM;
+ assert(info.play.gain <= AUDIO_MAX_GAIN);
+
+ if (ioctl(u->fd, AUDIO_SETINFO, &info) < 0) {
+ if (errno == EINVAL)
+ pa_log("AUDIO_SETINFO: Unsupported volume.");
+ else
+ pa_log("AUDIO_SETINFO: %s", pa_cstrerror(errno));
+ }
+ }
+}
+
+static void source_get_volume(pa_source *s) {
+ struct userdata *u;
+ audio_info_t info;
+
+ pa_assert_se(u = s->userdata);
+
+ if (u->fd >= 0) {
+ if (ioctl(u->fd, AUDIO_GETINFO, &info) < 0)
+ pa_log("AUDIO_SETINFO: %s", pa_cstrerror(errno));
else
- pa_log(__FILE__": AUDIO_SETINFO: %s", strerror(errno));
+ pa_cvolume_set(&s->real_volume, s->sample_spec.channels, info.play.gain * PA_VOLUME_NORM / AUDIO_MAX_GAIN);
+ }
+}
+
+static void sink_set_mute(pa_sink *s) {
+ struct userdata *u = s->userdata;
+ audio_info_t info;
+
+ pa_assert(u);
+
+ if (u->fd >= 0) {
+ AUDIO_INITINFO(&info);
+
+ info.output_muted = s->muted;
+
+ if (ioctl(u->fd, AUDIO_SETINFO, &info) < 0)
+ pa_log("AUDIO_SETINFO: %s", pa_cstrerror(errno));
+ }
+}
+
+static int sink_get_mute(pa_sink *s, bool *mute) {
+ struct userdata *u = s->userdata;
+ audio_info_t info;
+
+ pa_assert(u);
+
+ if (u->fd < 0)
+ return -1;
+
+ if (ioctl(u->fd, AUDIO_GETINFO, &info) < 0) {
+ pa_log("AUDIO_GETINFO: %s", pa_cstrerror(errno));
return -1;
}
+ *mute = info.output_muted;
+
return 0;
}
-int pa__init(pa_core *c, pa_module*m) {
+static void process_rewind(struct userdata *u) {
+ size_t rewind_nbytes;
+
+ pa_assert(u);
+
+ if (!PA_SINK_IS_OPENED(u->sink->thread_info.state)) {
+ pa_sink_process_rewind(u->sink, 0);
+ return;
+ }
+
+ rewind_nbytes = u->sink->thread_info.rewind_nbytes;
+
+ if (rewind_nbytes > 0) {
+ pa_log_debug("Requested to rewind %lu bytes.", (unsigned long) rewind_nbytes);
+ rewind_nbytes = PA_MIN(u->memchunk.length, rewind_nbytes);
+ u->memchunk.length -= rewind_nbytes;
+ if (u->memchunk.length <= 0 && u->memchunk.memblock) {
+ pa_memblock_unref(u->memchunk.memblock);
+ pa_memchunk_reset(&u->memchunk);
+ }
+ pa_log_debug("Rewound %lu bytes.", (unsigned long) rewind_nbytes);
+ }
+
+ pa_sink_process_rewind(u->sink, rewind_nbytes);
+}
+
+static void thread_func(void *userdata) {
+ struct userdata *u = userdata;
+ unsigned short revents = 0;
+ int ret, err;
+ audio_info_t info;
+
+ pa_assert(u);
+
+ pa_log_debug("Thread starting up");
+
+ if (u->core->realtime_scheduling)
+ pa_make_realtime(u->core->realtime_priority);
+
+ pa_thread_mq_install(&u->thread_mq);
+
+ pa_smoother_set_time_offset(u->smoother, pa_rtclock_now());
+
+ for (;;) {
+ /* Render some data and write it to the dsp */
+
+ if (PA_UNLIKELY(u->sink->thread_info.rewind_requested))
+ process_rewind(u);
+
+ if (u->sink && PA_SINK_IS_OPENED(u->sink->thread_info.state)) {
+ pa_usec_t xtime0, ysleep_interval, xsleep_interval;
+ uint64_t buffered_bytes;
+
+ err = ioctl(u->fd, AUDIO_GETINFO, &info);
+ if (err < 0) {
+ pa_log("AUDIO_GETINFO ioctl failed: %s", pa_cstrerror(errno));
+ goto fail;
+ }
+
+ if (info.play.error) {
+ pa_log_debug("buffer under-run!");
+
+ AUDIO_INITINFO(&info);
+ info.play.error = 0;
+ if (ioctl(u->fd, AUDIO_SETINFO, &info) < 0)
+ pa_log("AUDIO_SETINFO: %s", pa_cstrerror(errno));
+
+ pa_smoother_reset(u->smoother, pa_rtclock_now(), true);
+ }
+
+ for (;;) {
+ void *p;
+ ssize_t w;
+ size_t len;
+ int write_type = 1;
+
+ /*
+ * Since we cannot modify the size of the output buffer we fake it
+ * by not filling it more than u->buffer_size.
+ */
+ xtime0 = pa_rtclock_now();
+ buffered_bytes = get_playback_buffered_bytes(u);
+ if (buffered_bytes >= (uint64_t)u->buffer_size)
+ break;
+
+ len = u->buffer_size - buffered_bytes;
+ len -= len % u->frame_size;
+
+ if (len < (size_t) u->minimum_request)
+ break;
+
+ if (!u->memchunk.length)
+ pa_sink_render(u->sink, u->sink->thread_info.max_request, &u->memchunk);
+
+ len = PA_MIN(u->memchunk.length, len);
+
+ p = pa_memblock_acquire(u->memchunk.memblock);
+ w = pa_write(u->fd, (uint8_t*) p + u->memchunk.index, len, &write_type);
+ pa_memblock_release(u->memchunk.memblock);
+
+ if (w <= 0) {
+ if (errno == EINTR) {
+ continue;
+ } else if (errno == EAGAIN) {
+ /* We may have realtime priority so yield the CPU to ensure that fd can become writable again. */
+ pa_log_debug("EAGAIN with %llu bytes buffered.", buffered_bytes);
+ break;
+ } else {
+ pa_log("Failed to write data to DSP: %s", pa_cstrerror(errno));
+ goto fail;
+ }
+ } else {
+ pa_assert(w % u->frame_size == 0);
+
+ u->written_bytes += w;
+ u->memchunk.index += w;
+ u->memchunk.length -= w;
+ if (u->memchunk.length <= 0) {
+ pa_memblock_unref(u->memchunk.memblock);
+ pa_memchunk_reset(&u->memchunk);
+ }
+ }
+ }
+
+ ysleep_interval = pa_bytes_to_usec(buffered_bytes / 2, &u->sink->sample_spec);
+ xsleep_interval = pa_smoother_translate(u->smoother, xtime0, ysleep_interval);
+ pa_rtpoll_set_timer_absolute(u->rtpoll, xtime0 + PA_MIN(xsleep_interval, ysleep_interval));
+ } else
+ pa_rtpoll_set_timer_disabled(u->rtpoll);
+
+ /* Try to read some data and pass it on to the source driver */
+
+ if (u->source && PA_SOURCE_IS_OPENED(u->source->thread_info.state) && (revents & POLLIN)) {
+ pa_memchunk memchunk;
+ void *p;
+ ssize_t r;
+ size_t len;
+
+ err = ioctl(u->fd, AUDIO_GETINFO, &info);
+ pa_assert(err >= 0);
+
+ if (info.record.error) {
+ pa_log_debug("buffer overflow!");
+
+ AUDIO_INITINFO(&info);
+ info.record.error = 0;
+ if (ioctl(u->fd, AUDIO_SETINFO, &info) < 0)
+ pa_log("AUDIO_SETINFO: %s", pa_cstrerror(errno));
+ }
+
+ err = ioctl(u->fd, I_NREAD, &len);
+ pa_assert(err >= 0);
+
+ if (len > 0) {
+ memchunk.memblock = pa_memblock_new(u->core->mempool, len);
+ pa_assert(memchunk.memblock);
+
+ p = pa_memblock_acquire(memchunk.memblock);
+ r = pa_read(u->fd, p, len, NULL);
+ pa_memblock_release(memchunk.memblock);
+
+ if (r < 0) {
+ pa_memblock_unref(memchunk.memblock);
+ if (errno == EAGAIN)
+ break;
+ else {
+ pa_log("Failed to read data from DSP: %s", pa_cstrerror(errno));
+ goto fail;
+ }
+ } else {
+ u->read_bytes += r;
+
+ memchunk.index = 0;
+ memchunk.length = r;
+
+ pa_source_post(u->source, &memchunk);
+ pa_memblock_unref(memchunk.memblock);
+
+ revents &= ~POLLIN;
+ }
+ }
+ }
+
+ if (u->rtpoll_item) {
+ struct pollfd *pollfd;
+
+ pa_assert(u->fd >= 0);
+
+ pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
+ pollfd->events = (u->source && PA_SOURCE_IS_OPENED(u->source->thread_info.state)) ? POLLIN : 0;
+ }
+
+ /* Hmm, nothing to do. Let's sleep */
+ if ((ret = pa_rtpoll_run(u->rtpoll, true)) < 0)
+ goto fail;
+
+ if (ret == 0)
+ goto finish;
+
+ if (u->rtpoll_item) {
+ struct pollfd *pollfd;
+
+ pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
+
+ if (pollfd->revents & ~(POLLOUT|POLLIN)) {
+ pa_log("DSP shutdown.");
+ goto fail;
+ }
+
+ revents = pollfd->revents;
+ } else
+ revents = 0;
+ }
+
+fail:
+ /* We have to continue processing messages until we receive the
+ * SHUTDOWN message */
+ pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
+ pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
+
+finish:
+ pa_log_debug("Thread shutting down");
+}
+
+static void sig_callback(pa_mainloop_api *api, pa_signal_event*e, int sig, void *userdata) {
+ struct userdata *u = userdata;
+
+ assert(u);
+
+ pa_log_debug("caught signal");
+
+ if (u->sink) {
+ pa_sink_get_volume(u->sink, true);
+ pa_sink_get_mute(u->sink, true);
+ }
+
+ if (u->source)
+ pa_source_get_volume(u->source, true);
+}
+
+int pa__init(pa_module *m) {
struct userdata *u = NULL;
- const char *p;
- int fd = -1;
- int buffer_size;
- int mode;
- int record = 1, playback = 1;
+ bool record = true, playback = true;
pa_sample_spec ss;
+ pa_channel_map map;
pa_modargs *ma = NULL;
- assert(c && m);
+ uint32_t buffer_length_msec;
+ int fd = -1;
+ pa_sink_new_data sink_new_data;
+ pa_source_new_data source_new_data;
+ char const *name;
+ char *name_buf;
+ bool namereg_fail;
+
+ pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
- pa_log(__FILE__": failed to parse module arguments.");
+ pa_log("failed to parse module arguments.");
goto fail;
}
-
+
if (pa_modargs_get_value_boolean(ma, "record", &record) < 0 || pa_modargs_get_value_boolean(ma, "playback", &playback) < 0) {
- pa_log(__FILE__": record= and playback= expect numeric argument.");
+ pa_log("record= and playback= expect a boolean argument.");
goto fail;
}
if (!playback && !record) {
- pa_log(__FILE__": neither playback nor record enabled for device.");
+ pa_log("neither playback nor record enabled for device.");
goto fail;
}
- mode = (playback&&record) ? O_RDWR : (playback ? O_WRONLY : (record ? O_RDONLY : 0));
+ u = pa_xnew0(struct userdata, 1);
+
+ if (!(u->smoother = pa_smoother_new(PA_USEC_PER_SEC, PA_USEC_PER_SEC * 2, true, true, 10, pa_rtclock_now(), true)))
+ goto fail;
+
+ /*
+ * For a process (or several processes) to use the same audio device for both
+ * record and playback at the same time, the device's mixer must be enabled.
+ * See mixerctl(1). It may be turned off for playback only or record only.
+ */
+ u->mode = (playback && record) ? O_RDWR : (playback ? O_WRONLY : (record ? O_RDONLY : 0));
- buffer_size = 16384;
- if (pa_modargs_get_value_s32(ma, "buffer_size", &buffer_size) < 0) {
- pa_log(__FILE__": failed to parse buffer size argument");
+ ss = m->core->default_sample_spec;
+ if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) {
+ pa_log("failed to parse sample specification");
goto fail;
}
+ u->frame_size = pa_frame_size(&ss);
+
+ u->minimum_request = pa_usec_to_bytes(PA_USEC_PER_SEC / MAX_RENDER_HZ, &ss);
- ss = c->default_sample_spec;
- if (pa_modargs_get_sample_spec(ma, &ss) < 0) {
- pa_log(__FILE__": failed to parse sample specification");
+ buffer_length_msec = 100;
+ if (pa_modargs_get_value_u32(ma, "buffer_length", &buffer_length_msec) < 0) {
+ pa_log("failed to parse buffer_length argument");
+ goto fail;
+ }
+ u->buffer_size = pa_usec_to_bytes(1000 * buffer_length_msec, &ss);
+ if (u->buffer_size < 2 * u->minimum_request) {
+ pa_log("buffer_length argument cannot be smaller than %u",
+ (unsigned)(pa_bytes_to_usec(2 * u->minimum_request, &ss) / 1000));
goto fail;
}
-
- if ((fd = open(p = pa_modargs_get_value(ma, "device", DEFAULT_DEVICE), mode | O_NONBLOCK)) < 0)
+ if (u->buffer_size > MAX_BUFFER_SIZE) {
+ pa_log("buffer_length argument cannot be greater than %u",
+ (unsigned)(pa_bytes_to_usec(MAX_BUFFER_SIZE, &ss) / 1000));
goto fail;
+ }
- pa_log_info(__FILE__": device opened in %s mode.", mode == O_WRONLY ? "O_WRONLY" : (mode == O_RDONLY ? "O_RDONLY" : "O_RDWR"));
+ u->device_name = pa_xstrdup(pa_modargs_get_value(ma, "device", DEFAULT_DEVICE));
- if (pa_solaris_auto_format(fd, mode, &ss) < 0)
+ if ((fd = open_audio_device(u, &ss)) < 0)
goto fail;
- if ((mode != O_WRONLY) && (buffer_size >= 1))
- if (pa_solaris_set_buffer(fd, buffer_size) < 0)
+ u->core = m->core;
+ u->module = m;
+ m->userdata = u;
+
+ pa_memchunk_reset(&u->memchunk);
+
+ u->rtpoll = pa_rtpoll_new();
+ pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
+
+ u->rtpoll_item = NULL;
+ build_pollfd(u);
+
+ if (u->mode != O_WRONLY) {
+ name_buf = NULL;
+ namereg_fail = true;
+
+ if (!(name = pa_modargs_get_value(ma, "source_name", NULL))) {
+ name = name_buf = pa_sprintf_malloc("solaris_input.%s", pa_path_get_filename(u->device_name));
+ namereg_fail = false;
+ }
+
+ pa_source_new_data_init(&source_new_data);
+ source_new_data.driver = __FILE__;
+ source_new_data.module = m;
+ pa_source_new_data_set_name(&source_new_data, name);
+ source_new_data.namereg_fail = namereg_fail;
+ pa_source_new_data_set_sample_spec(&source_new_data, &ss);
+ pa_source_new_data_set_channel_map(&source_new_data, &map);
+ pa_proplist_sets(source_new_data.proplist, PA_PROP_DEVICE_STRING, u->device_name);
+ pa_proplist_sets(source_new_data.proplist, PA_PROP_DEVICE_API, "solaris");
+ pa_proplist_sets(source_new_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Solaris PCM source");
+ pa_proplist_sets(source_new_data.proplist, PA_PROP_DEVICE_ACCESS_MODE, "serial");
+ pa_proplist_setf(source_new_data.proplist, PA_PROP_DEVICE_BUFFERING_BUFFER_SIZE, "%lu", (unsigned long) u->buffer_size);
+
+ if (pa_modargs_get_proplist(ma, "source_properties", source_new_data.proplist, PA_UPDATE_REPLACE) < 0) {
+ pa_log("Invalid properties");
+ pa_source_new_data_done(&source_new_data);
goto fail;
+ }
- u = pa_xmalloc(sizeof(struct userdata));
- u->core = c;
+ u->source = pa_source_new(m->core, &source_new_data, PA_SOURCE_HARDWARE|PA_SOURCE_LATENCY);
+ pa_source_new_data_done(&source_new_data);
+ pa_xfree(name_buf);
+
+ if (!u->source) {
+ pa_log("Failed to create source object");
+ goto fail;
+ }
- if (mode != O_WRONLY) {
- u->source = pa_source_new(c, __FILE__, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME), 0, &ss, NULL);
- assert(u->source);
u->source->userdata = u;
- u->source->get_latency = source_get_latency_cb;
- pa_source_set_owner(u->source, m);
- u->source->description = pa_sprintf_malloc("Solaris PCM on '%s'", p);
+ u->source->parent.process_msg = source_process_msg;
+
+ pa_source_set_asyncmsgq(u->source, u->thread_mq.inq);
+ pa_source_set_rtpoll(u->source, u->rtpoll);
+ pa_source_set_fixed_latency(u->source, pa_bytes_to_usec(u->buffer_size, &u->source->sample_spec));
+
+ pa_source_set_get_volume_callback(u->source, source_get_volume);
+ pa_source_set_set_volume_callback(u->source, source_set_volume);
+ u->source->refresh_volume = true;
} else
u->source = NULL;
- if (mode != O_RDONLY) {
- u->sink = pa_sink_new(c, __FILE__, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME), 0, &ss, NULL);
- assert(u->sink);
- u->sink->get_latency = sink_get_latency_cb;
- u->sink->get_hw_volume = sink_get_hw_volume_cb;
- u->sink->set_hw_volume = sink_set_hw_volume_cb;
+ if (u->mode != O_RDONLY) {
+ name_buf = NULL;
+ namereg_fail = true;
+ if (!(name = pa_modargs_get_value(ma, "sink_name", NULL))) {
+ name = name_buf = pa_sprintf_malloc("solaris_output.%s", pa_path_get_filename(u->device_name));
+ namereg_fail = false;
+ }
+
+ pa_sink_new_data_init(&sink_new_data);
+ sink_new_data.driver = __FILE__;
+ sink_new_data.module = m;
+ pa_sink_new_data_set_name(&sink_new_data, name);
+ sink_new_data.namereg_fail = namereg_fail;
+ pa_sink_new_data_set_sample_spec(&sink_new_data, &ss);
+ pa_sink_new_data_set_channel_map(&sink_new_data, &map);
+ pa_proplist_sets(sink_new_data.proplist, PA_PROP_DEVICE_STRING, u->device_name);
+ pa_proplist_sets(sink_new_data.proplist, PA_PROP_DEVICE_API, "solaris");
+ pa_proplist_sets(sink_new_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Solaris PCM sink");
+ pa_proplist_sets(sink_new_data.proplist, PA_PROP_DEVICE_ACCESS_MODE, "serial");
+
+ if (pa_modargs_get_proplist(ma, "sink_properties", sink_new_data.proplist, PA_UPDATE_REPLACE) < 0) {
+ pa_log("Invalid properties");
+ pa_sink_new_data_done(&sink_new_data);
+ goto fail;
+ }
+
+ u->sink = pa_sink_new(m->core, &sink_new_data, PA_SINK_HARDWARE|PA_SINK_LATENCY);
+ pa_sink_new_data_done(&sink_new_data);
+
+ pa_assert(u->sink);
u->sink->userdata = u;
- pa_sink_set_owner(u->sink, m);
- u->sink->description = pa_sprintf_malloc("Solaris PCM on '%s'", p);
+ u->sink->parent.process_msg = sink_process_msg;
+
+ pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
+ pa_sink_set_rtpoll(u->sink, u->rtpoll);
+ pa_sink_set_fixed_latency(u->sink, pa_bytes_to_usec(u->buffer_size, &u->sink->sample_spec));
+ pa_sink_set_max_request(u->sink, u->buffer_size);
+ pa_sink_set_max_rewind(u->sink, u->buffer_size);
+
+ pa_sink_set_get_volume_callback(u->sink, sink_get_volume);
+ pa_sink_set_set_volume_callback(u->sink, sink_set_volume);
+ pa_sink_set_get_mute_callback(u->sink, sink_get_mute);
+ pa_sink_set_set_mute_callback(u->sink, sink_set_mute);
+ u->sink->refresh_volume = u->sink->refresh_muted = true;
} else
u->sink = NULL;
- assert(u->source || u->sink);
+ pa_assert(u->source || u->sink);
- u->io = pa_iochannel_new(c->mainloop, u->source ? fd : -1, u->sink ? fd : 0);
- assert(u->io);
- pa_iochannel_set_callback(u->io, io_callback, u);
- u->fd = fd;
+ u->sig = pa_signal_new(SIGPOLL, sig_callback, u);
+ if (u->sig)
+ ioctl(u->fd, I_SETSIG, S_MSG);
+ else
+ pa_log_warn("Could not register SIGPOLL handler");
- u->memchunk.memblock = NULL;
- u->memchunk.length = 0;
- u->sample_size = pa_frame_size(&ss);
- u->buffer_size = buffer_size;
+ if (!(u->thread = pa_thread_new("solaris", thread_func, u))) {
+ pa_log("Failed to create thread.");
+ goto fail;
+ }
- u->silence.memblock = pa_memblock_new(u->silence.length = CHUNK_SIZE, u->core->memblock_stat);
- assert(u->silence.memblock);
- pa_silence_memblock(u->silence.memblock, &ss);
- u->silence.index = 0;
+ /* Read mixer settings */
+ if (u->sink) {
+ if (sink_new_data.volume_is_set)
+ u->sink->set_volume(u->sink);
+ else
+ u->sink->get_volume(u->sink);
- u->written_bytes = 0;
- u->read_bytes = 0;
+ if (sink_new_data.muted_is_set)
+ u->sink->set_mute(u->sink);
+ else
+ u->sink->get_mute(u->sink);
- u->module = m;
- m->userdata = u;
+ pa_sink_put(u->sink);
+ }
- u->sig = pa_signal_new(SIGPOLL, sig_callback, u);
- assert(u->sig);
- ioctl(u->fd, I_SETSIG, S_MSG);
+ if (u->source) {
+ if (source_new_data.volume_is_set)
+ u->source->set_volume(u->source);
+ else
+ u->source->get_volume(u->source);
+
+ pa_source_put(u->source);
+ }
pa_modargs_free(ma);
return 0;
fail:
- if (fd >= 0)
+ if (u)
+ pa__done(m);
+ else if (fd >= 0)
close(fd);
if (ma)
pa_modargs_free(ma);
-
+
return -1;
}
-void pa__done(pa_core *c, pa_module*m) {
+void pa__done(pa_module *m) {
struct userdata *u;
- assert(c && m);
+
+ pa_assert(m);
if (!(u = m->userdata))
return;
- ioctl(u->fd, I_SETSIG, 0);
- pa_signal_free(u->sig);
-
- if (u->memchunk.memblock)
- pa_memblock_unref(u->memchunk.memblock);
- if (u->silence.memblock)
- pa_memblock_unref(u->silence.memblock);
+ if (u->sig) {
+ ioctl(u->fd, I_SETSIG, 0);
+ pa_signal_free(u->sig);
+ }
- if (u->sink) {
- pa_sink_disconnect(u->sink);
- pa_sink_unref(u->sink);
+ if (u->sink)
+ pa_sink_unlink(u->sink);
+
+ if (u->source)
+ pa_source_unlink(u->source);
+
+ if (u->thread) {
+ pa_asyncmsgq_send(u->thread_mq.inq, NULL, PA_MESSAGE_SHUTDOWN, NULL, 0, NULL);
+ pa_thread_free(u->thread);
}
-
- if (u->source) {
- pa_source_disconnect(u->source);
+
+ pa_thread_mq_done(&u->thread_mq);
+
+ if (u->sink)
+ pa_sink_unref(u->sink);
+
+ if (u->source)
pa_source_unref(u->source);
- }
-
- pa_iochannel_free(u->io);
+
+ if (u->memchunk.memblock)
+ pa_memblock_unref(u->memchunk.memblock);
+
+ if (u->rtpoll_item)
+ pa_rtpoll_item_free(u->rtpoll_item);
+
+ if (u->rtpoll)
+ pa_rtpoll_free(u->rtpoll);
+
+ if (u->fd >= 0)
+ close(u->fd);
+
+ if (u->smoother)
+ pa_smoother_free(u->smoother);
+
+ pa_xfree(u->device_name);
+
pa_xfree(u);
}