pa_modargs *modargs;
- int stream_write_type, stream_read_type;
+ int stream_write_type;
int service_write_type, service_read_type;
};
+#define FIXED_LATENCY_PLAYBACK_A2DP (25*PA_USEC_PER_MSEC)
+#define FIXED_LATENCY_PLAYBACK_HSP (125*PA_USEC_PER_MSEC)
+#define FIXED_LATENCY_RECORD_HSP (25*PA_USEC_PER_MSEC)
+
#ifdef NOKIA
#define USE_SCO_OVER_PCM(u) (u->profile == PROFILE_HSP && (u->hsp.sco_sink && u->hsp.sco_source))
#endif
uint8_t buf[BT_SUGGESTED_BUFFER_SIZE];
} msg;
struct pollfd *pollfd;
+ int one;
pa_assert(u);
pa_assert(u->rtpoll);
pa_make_fd_nonblock(u->stream_fd);
pa_make_socket_low_delay(u->stream_fd);
+ one = 1;
+ if (setsockopt(u->stream_fd, SOL_SOCKET, SO_TIMESTAMP, &one, sizeof(one)) < 0)
+ pa_log_warn("Failed to enable SO_TIMESTAMP: %s", pa_cstrerror(errno));
+
+ pa_log_debug("Stream properly set up, we're ready to roll!");
+
u->rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1);
pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
pollfd->fd = u->stream_fd;
pollfd->events = pollfd->revents = 0;
- u->read_index = 0;
- u->write_index = 0;
+ u->read_index = u->write_index = 0;
+ u->started_at = 0;
+
+ if (u->source)
+ u->read_smoother = pa_smoother_new(
+ PA_USEC_PER_SEC,
+ PA_USEC_PER_SEC*2,
+ TRUE,
+ TRUE,
+ 10,
+ pa_rtclock_usec(),
+ TRUE);
return 0;
}
pa_close(u->stream_fd);
u->stream_fd = -1;
+ if (u->read_smoother) {
+ pa_smoother_free(u->read_smoother);
+ u->read_smoother = NULL;
+ }
+
return r;
}
if (!u->source || u->source->state == PA_SOURCE_SUSPENDED)
if (start_stream_fd(u) < 0)
failed = TRUE;
-
- u->started_at = pa_rtclock_usec();
break;
case PA_SINK_UNLINKED:
break;
case PA_SINK_MESSAGE_GET_LATENCY: {
- *((pa_usec_t*) data) = 0;
+
+ if (u->read_smoother) {
+ pa_usec_t wi, ri;
+
+ ri = pa_smoother_get(u->read_smoother, pa_rtclock_usec());
+ wi = pa_bytes_to_usec(u->write_index + u->block_size, &u->sample_spec);
+
+ *((pa_usec_t*) data) = wi > ri ? wi - ri : 0;
+ } else {
+ pa_usec_t ri, wi;
+
+ ri = pa_rtclock_usec() - u->started_at;
+ wi = pa_bytes_to_usec(u->write_index, &u->sample_spec);
+
+ *((pa_usec_t*) data) = wi > ri ? wi - ri : 0;
+ }
+
+ *((pa_usec_t*) data) += u->sink->fixed_latency;
return 0;
}
}
if (!u->sink || u->sink->state == PA_SINK_SUSPENDED)
stop_stream_fd(u);
- pa_smoother_pause(u->read_smoother, pa_rtclock_usec());
+ if (u->read_smoother)
+ pa_smoother_pause(u->read_smoother, pa_rtclock_usec());
break;
case PA_SOURCE_IDLE:
if (start_stream_fd(u) < 0)
failed = TRUE;
- pa_smoother_resume(u->read_smoother, pa_rtclock_usec(), TRUE);
+ /* We don't resume the smoother here. Instead we
+ * wait until the first packet arrives */
break;
case PA_SOURCE_UNLINKED:
break;
case PA_SOURCE_MESSAGE_GET_LATENCY: {
- *((pa_usec_t*) data) = 0;
+ pa_usec_t wi, ri;
+
+ wi = pa_smoother_get(u->read_smoother, pa_rtclock_usec());
+ ri = pa_bytes_to_usec(u->read_index, &u->sample_spec);
+
+ *((pa_usec_t*) data) = (wi > ri ? wi - ri : 0) + u->source->fixed_latency;
return 0;
}
pa_memblock_unref(u->write_memchunk.memblock);
pa_memchunk_reset(&u->write_memchunk);
+ ret = 1;
break;
}
pa_assert(u);
pa_assert(u->profile == PROFILE_HSP);
pa_assert(u->source);
+ pa_assert(u->read_smoother);
memchunk.memblock = pa_memblock_new(u->core->mempool, u->block_size);
memchunk.index = memchunk.length = 0;
for (;;) {
ssize_t l;
void *p;
+ struct msghdr m;
+ struct cmsghdr *cm;
+ uint8_t aux[1024];
+ struct iovec iov;
+ pa_bool_t found_tstamp = FALSE;
+ pa_usec_t tstamp;
+
+ memset(&m, 0, sizeof(m));
+ memset(&aux, 0, sizeof(aux));
+ memset(&iov, 0, sizeof(iov));
+
+ m.msg_iov = &iov;
+ m.msg_iovlen = 1;
+ m.msg_control = aux;
+ m.msg_controllen = sizeof(aux);
p = pa_memblock_acquire(memchunk.memblock);
- l = pa_read(u->stream_fd, p, pa_memblock_get_length(memchunk.memblock), &u->stream_read_type);
+ iov.iov_base = p;
+ iov.iov_len = pa_memblock_get_length(memchunk.memblock);
+ l = recvmsg(u->stream_fd, &m, 0);
pa_memblock_release(memchunk.memblock);
if (l <= 0) {
memchunk.length = (size_t) l;
u->read_index += (uint64_t) l;
+ for (cm = CMSG_FIRSTHDR(&m); cm; cm = CMSG_NXTHDR(&m, cm))
+ if (cm->cmsg_level == SOL_SOCKET && cm->cmsg_type == SO_TIMESTAMP) {
+ struct timeval *tv = (struct timeval*) CMSG_DATA(cm);
+ pa_rtclock_from_wallclock(tv);
+ tstamp = pa_timeval_load(tv);
+ found_tstamp = TRUE;
+ break;
+ }
+
+ if (!found_tstamp) {
+ pa_log_warn("Couldn't find SO_TIMESTAMP data in auxiliary recvmsg() data!");
+ tstamp = pa_rtclock_usec();
+ }
+
+ pa_smoother_put(u->read_smoother, tstamp, pa_bytes_to_usec(u->read_index, &u->sample_spec));
+ pa_smoother_resume(u->read_smoother, tstamp, TRUE);
+
pa_source_post(u->source, &memchunk);
+
+ ret = 1;
break;
}
header->v = 2;
header->pt = 1;
header->sequence_number = htons(a2dp->seq_num++);
- header->timestamp = htonl(u->write_index / pa_frame_size(&u->sink->sample_spec));
+ header->timestamp = htonl(u->write_index / pa_frame_size(&u->sample_spec));
header->ssrc = htonl(1);
payload->frame_count = frame_count;
pa_memblock_unref(u->write_memchunk.memblock);
pa_memchunk_reset(&u->write_memchunk);
+ ret = 1;
+
break;
}
static void thread_func(void *userdata) {
struct userdata *u = userdata;
- pa_bool_t do_write = FALSE, writable = FALSE;
+ unsigned do_write = 0;
+ pa_bool_t writable = FALSE;
pa_assert(u);
pa_thread_mq_install(&u->thread_mq);
pa_rtpoll_install(u->rtpoll);
- pa_smoother_set_time_offset(u->read_smoother, pa_rtclock_usec());
-
for (;;) {
struct pollfd *pollfd;
int ret;
if (u->source && PA_SOURCE_IS_LINKED(u->source->thread_info.state)) {
if (pollfd && (pollfd->revents & POLLIN)) {
+ int n_read;
- if (hsp_process_push(u) < 0)
+ if ((n_read = hsp_process_push(u)) < 0)
goto fail;
/* We just read something, so we are supposed to write something, too */
- do_write = TRUE;
+ do_write += n_read;
}
}
if (pollfd->revents & POLLOUT)
writable = TRUE;
- if ((!u->source || !PA_SOURCE_IS_LINKED(u->source->thread_info.state)) && !do_write && writable) {
+ if ((!u->source || !PA_SOURCE_IS_LINKED(u->source->thread_info.state)) && do_write <= 0 && writable) {
pa_usec_t time_passed;
uint64_t should_have_written;
* to. So let's do things by time */
time_passed = pa_rtclock_usec() - u->started_at;
- should_have_written = pa_usec_to_bytes(time_passed, &u->sink->sample_spec);
+ should_have_written = pa_usec_to_bytes(time_passed, &u->sample_spec);
- do_write = u->write_index <= should_have_written ;
-/* pa_log_debug("Time has come: %s", pa_yes_no(do_write)); */
+ do_write = u->write_index <= should_have_written;
}
- if (writable && do_write) {
- if (u->write_index == 0)
+ if (writable && do_write > 0) {
+ int n_written;
+
+ if (u->write_index <= 0)
u->started_at = pa_rtclock_usec();
if (u->profile == PROFILE_A2DP) {
- if (a2dp_process_render(u) < 0)
+ if ((n_written = a2dp_process_render(u)) < 0)
goto fail;
} else {
- if (hsp_process_render(u) < 0)
+ if ((n_written = hsp_process_render(u)) < 0)
goto fail;
}
- do_write = FALSE;
+ do_write -= n_written;
writable = FALSE;
}
- if ((!u->source || !PA_SOURCE_IS_LINKED(u->source->thread_info.state)) && !do_write) {
+ if ((!u->source || !PA_SOURCE_IS_LINKED(u->source->thread_info.state)) && do_write <= 0) {
pa_usec_t time_passed, next_write_at, sleep_for;
/* Hmm, there is no input stream we could synchronize
* to. So let's estimate when we need to wake up the latest */
time_passed = pa_rtclock_usec() - u->started_at;
- next_write_at = pa_bytes_to_usec(u->write_index, &u->sink->sample_spec);
+ next_write_at = pa_bytes_to_usec(u->write_index, &u->sample_spec);
sleep_for = time_passed < next_write_at ? next_write_at - time_passed : 0;
/* pa_log("Sleeping for %lu; time passed %lu, next write at %lu", (unsigned long) sleep_for, (unsigned long) time_passed, (unsigned long)next_write_at); */
if (u->profile == PROFILE_HSP) {
if (u->sink && dbus_message_is_signal(m, "org.bluez.Headset", "SpeakerGainChanged")) {
- pa_cvolume_set(&v, u->sink->sample_spec.channels, (pa_volume_t) (gain * PA_VOLUME_NORM / 15));
+ pa_cvolume_set(&v, u->sample_spec.channels, (pa_volume_t) (gain * PA_VOLUME_NORM / 15));
pa_sink_volume_changed(u->sink, &v);
} else if (u->source && dbus_message_is_signal(m, "org.bluez.Headset", "MicrophoneGainChanged")) {
- pa_cvolume_set(&v, u->sink->sample_spec.channels, (pa_volume_t) (gain * PA_VOLUME_NORM / 15));
+ pa_cvolume_set(&v, u->sample_spec.channels, (pa_volume_t) (gain * PA_VOLUME_NORM / 15));
pa_source_volume_changed(u->source, &v);
}
}
if (gain > 15)
gain = 15;
- pa_cvolume_set(&s->virtual_volume, u->sink->sample_spec.channels, (pa_volume_t) (gain * PA_VOLUME_NORM / 15));
+ pa_cvolume_set(&s->virtual_volume, u->sample_spec.channels, (pa_volume_t) (gain * PA_VOLUME_NORM / 15));
pa_assert_se(m = dbus_message_new_method_call("org.bluez", u->path, "org.bluez.Headset", "SetSpeakerGain"));
pa_assert_se(dbus_message_append_args(m, DBUS_TYPE_UINT16, &gain, DBUS_TYPE_INVALID));
if (gain > 15)
gain = 15;
- pa_cvolume_set(&s->virtual_volume, u->source->sample_spec.channels, (pa_volume_t) (gain * PA_VOLUME_NORM / 15));
+ pa_cvolume_set(&s->virtual_volume, u->sample_spec.channels, (pa_volume_t) (gain * PA_VOLUME_NORM / 15));
pa_assert_se(m = dbus_message_new_method_call("org.bluez", u->path, "org.bluez.Headset", "SetMicrophoneGain"));
pa_assert_se(dbus_message_append_args(m, DBUS_TYPE_UINT16, &gain, DBUS_TYPE_INVALID));
u->sink->parent.process_msg = sink_process_msg;
pa_sink_set_max_request(u->sink, u->block_size);
+ u->sink->fixed_latency =
+ (u->profile == PROFILE_A2DP ? FIXED_LATENCY_PLAYBACK_A2DP : FIXED_LATENCY_PLAYBACK_HSP) +
+ pa_bytes_to_usec(u->block_size, &u->sample_spec);
}
if (u->profile == PROFILE_HSP) {
u->source->userdata = u;
u->source->parent.process_msg = source_process_msg;
+
+ u->source->fixed_latency =
+ (/* u->profile == PROFILE_A2DP ? FIXED_LATENCY_RECORD_A2DP : */ FIXED_LATENCY_RECORD_HSP) +
+ pa_bytes_to_usec(u->block_size, &u->sample_spec);
}
if (u->profile == PROFILE_HSP) {
u->stream_fd = -1;
u->stream_write_type = 0;
- u->stream_read_type = 0;
}
if (u->service_fd >= 0) {
pa_close(u->service_fd);
u->service_fd = -1;
+ u->service_write_type = u->service_write_type = 0;
}
if (u->write_memchunk.memblock) {
shutdown_bt(u);
- u->stream_write_type = u->stream_read_type = 0;
+ u->stream_write_type = 0;
u->service_write_type = u->service_write_type = 0;
if ((u->service_fd = bt_audio_service_open()) < 0) {
pa_rtpoll_free(u->rtpoll);
u->rtpoll = NULL;
}
+
+ if (u->read_smoother) {
+ pa_smoother_free(u->read_smoother);
+ u->read_smoother = NULL;
+ }
}
/* Run from main thread */
u->core = m->core;
u->service_fd = -1;
u->stream_fd = -1;
- u->read_smoother = pa_smoother_new(
- PA_USEC_PER_SEC,
- PA_USEC_PER_SEC*2,
- TRUE,
- TRUE,
- 10,
- 0,
- FALSE);
u->sample_spec = m->core->default_sample_spec;
u->modargs = ma;