/* Called from I/O thread context */
static void voip_sink_request_rewind(pa_sink *s) {
struct userdata *u;
pa_sink_assert_ref(s);
pa_assert_se(u = s->userdata);
/* Just hand this one over to the master sink */
if (u->hw_sink_input && s->thread_info.rewind_nbytes > 0)
pa_sink_input_request_rewind(u->hw_sink_input, s->thread_info.rewind_nbytes, TRUE, FALSE, FALSE);
}
/* Called from I/O thread context */
static void sink_request_rewind(pa_sink *s) {
struct userdata *u;
pa_sink_assert_ref(s);
pa_assert_se(u = s->userdata);
if (!PA_SINK_IS_LINKED(u->sink->thread_info.state) ||
!PA_SINK_INPUT_IS_LINKED(u->sink_input->thread_info.state))
return;
pa_sink_input_request_rewind(u->sink_input, s->thread_info.rewind_nbytes, TRUE, FALSE, FALSE);
}
/* Called from IO thread context */
static void sink_input_state_change_cb(pa_sink_input *i, pa_sink_input_state_t state) {
struct userdata *u;
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
/* If we are added for the first time, ask for a rewinding so that
* we are heard right-away. */
if (PA_SINK_INPUT_IS_LINKED(state) &&
i->thread_info.state == PA_SINK_INPUT_INIT)
pa_sink_input_request_rewind(i, 0, false, true, true);
}
/* Called from I/O thread context */
static void sink_request_rewind_cb(pa_sink *s) {
struct userdata *u;
pa_sink_assert_ref(s);
pa_assert_se(u = s->userdata);
if (!PA_SINK_IS_LINKED(u->sink->thread_info.state) ||
!PA_SINK_INPUT_IS_LINKED(u->sink_input->thread_info.state))
return;
/* Just hand this one over to the master sink */
pa_sink_input_request_rewind(u->sink_input, s->thread_info.rewind_nbytes + pa_memblockq_get_length(u->memblockq), TRUE, FALSE, FALSE);
}
/* Called from IO thread context */
static void sink_input_state_change_cb(pa_sink_input *i, pa_sink_input_state_t state) {
memblockq_stream *u;
pa_sink_input_assert_ref(i);
u = MEMBLOCKQ_STREAM(i->userdata);
memblockq_stream_assert_ref(u);
/* If we are added for the first time, ask for a rewinding so that
* we are heard right-away. */
if (PA_SINK_INPUT_IS_LINKED(state) &&
i->thread_info.state == PA_SINK_INPUT_INIT)
pa_sink_input_request_rewind(i, 0, FALSE, TRUE, TRUE);
}
/* Called from I/O thread context */
static void raw_sink_request_rewind(pa_sink *s) {
struct userdata *u;
pa_sink_assert_ref(s);
pa_assert_se(u = s->userdata);
/* Just hand this one over to the master sink */
if (u->hw_sink_input && s->thread_info.rewind_nbytes > 0) {
size_t nbytes = voice_convert_nbytes(s->thread_info.rewind_nbytes, &s->sample_spec, &u->hw_sink_input->sample_spec);
pa_sink_input_request_rewind(u->hw_sink_input, nbytes, TRUE, FALSE, FALSE);
}
}
/* Called from IO thread context */
static void sink_input_state_change_cb(pa_sink_input *i, pa_sink_input_state_t state) {
struct userdata *u;
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
/* If we are added for the first time, ask for a rewinding so that
* we are heard right-away. */
if (PA_SINK_INPUT_IS_LINKED(state) &&
i->thread_info.state == PA_SINK_INPUT_INIT) {
pa_log_debug("Requesting rewind due to state change.");
pa_sink_input_request_rewind(i, 0, FALSE, TRUE, TRUE);
}
}
/* Called from thread context */
static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
pa_sink_input *i = PA_SINK_INPUT(o);
connection*c;
pa_sink_input_assert_ref(i);
c = CONNECTION(i->userdata);
connection_assert_ref(c);
switch (code) {
case SINK_INPUT_MESSAGE_POST_DATA: {
pa_assert(chunk);
/* New data from the main loop */
pa_memblockq_push_align(c->input_memblockq, chunk);
if (pa_memblockq_is_readable(c->input_memblockq) && c->playback.underrun) {
pa_log_debug("Requesting rewind due to end of underrun.");
pa_sink_input_request_rewind(c->sink_input, 0, false, true, false);
}
/* pa_log("got data, %u", pa_memblockq_get_length(c->input_memblockq)); */
return 0;
}
case SINK_INPUT_MESSAGE_DISABLE_PREBUF:
pa_memblockq_prebuf_disable(c->input_memblockq);
return 0;
case PA_SINK_INPUT_MESSAGE_GET_LATENCY: {
pa_usec_t *r = userdata;
*r = pa_bytes_to_usec(pa_memblockq_get_length(c->input_memblockq), &c->sink_input->sample_spec);
/* Fall through, the default handler will add in the extra
* latency added by the resampler */
}
default:
return pa_sink_input_process_msg(o, code, userdata, offset, chunk);
}
}
/* Called from I/O thread context */
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:
/* The sink is _put() before the sink input is, so let's
* make sure we don't access it yet */
if (!PA_SINK_IS_LINKED(u->sink->thread_info.state) ||
!PA_SINK_INPUT_IS_LINKED(u->sink_input->thread_info.state)) {
*((int64_t*) data) = 0;
return 0;
}
*((int64_t*) data) =
/* Get the latency of the master sink */
pa_sink_get_latency_within_thread(u->sink_input->sink, true) +
/* Add the latency internal to our sink input on top */
pa_bytes_to_usec(pa_memblockq_get_length(u->sink_input->thread_info.render_memblockq), &u->sink_input->sink->sample_spec);
return 0;
case PA_SINK_MESSAGE_SET_STATE: {
pa_sink_state_t new_state = (pa_sink_state_t) PA_PTR_TO_UINT(data);
/* When set to running or idle for the first time, request a rewind
* of the master sink to make sure we are heard immediately */
if ((new_state == PA_SINK_IDLE || new_state == PA_SINK_RUNNING) && u->sink->thread_info.state == PA_SINK_INIT) {
pa_log_debug("Requesting rewind due to state change.");
pa_sink_input_request_rewind(u->sink_input, 0, false, true, true);
}
break;
}
}
return pa_sink_process_msg(o, code, data, offset, chunk);
}
/* Called from output thread context */
static int sink_input_process_msg_cb(pa_msgobject *obj, int code, void *data, int64_t offset, pa_memchunk *chunk) {
struct userdata *u = PA_SINK_INPUT(obj)->userdata;
switch (code) {
case PA_SINK_INPUT_MESSAGE_GET_LATENCY: {
pa_usec_t *r = data;
pa_sink_input_assert_io_context(u->sink_input);
*r = pa_bytes_to_usec(pa_memblockq_get_length(u->memblockq), &u->sink_input->sample_spec);
/* Fall through, the default handler will add in the extra
* latency added by the resampler */
break;
}
case SINK_INPUT_MESSAGE_POST:
pa_sink_input_assert_io_context(u->sink_input);
if (PA_SINK_IS_OPENED(u->sink_input->sink->thread_info.state))
pa_memblockq_push_align(u->memblockq, chunk);
else
pa_memblockq_flush_write(u->memblockq, TRUE);
update_min_memblockq_length(u);
/* Is this the end of an underrun? Then let's start things
* right-away */
if (!u->in_pop &&
u->sink_input->thread_info.underrun_for > 0 &&
pa_memblockq_is_readable(u->memblockq)) {
pa_log_debug("Requesting rewind due to end of underrun.");
pa_sink_input_request_rewind(u->sink_input,
(size_t) (u->sink_input->thread_info.underrun_for == (size_t) -1 ? 0 : u->sink_input->thread_info.underrun_for),
FALSE, TRUE, FALSE);
}
u->recv_counter += (int64_t) chunk->length;
return 0;
case SINK_INPUT_MESSAGE_REWIND:
pa_sink_input_assert_io_context(u->sink_input);
if (PA_SINK_IS_OPENED(u->sink_input->sink->thread_info.state))
pa_memblockq_seek(u->memblockq, -offset, PA_SEEK_RELATIVE, TRUE);
else
pa_memblockq_flush_write(u->memblockq, TRUE);
u->recv_counter -= offset;
update_min_memblockq_length(u);
return 0;
case SINK_INPUT_MESSAGE_LATENCY_SNAPSHOT: {
size_t length;
update_min_memblockq_length(u);
length = pa_memblockq_get_length(u->sink_input->thread_info.render_memblockq);
u->latency_snapshot.recv_counter = u->recv_counter;
u->latency_snapshot.sink_input_buffer =
pa_memblockq_get_length(u->memblockq) +
(u->sink_input->thread_info.resampler ? pa_resampler_request(u->sink_input->thread_info.resampler, length) : length);
u->latency_snapshot.sink_latency = pa_sink_get_latency_within_thread(u->sink_input->sink);
u->latency_snapshot.max_request = pa_sink_input_get_max_request(u->sink_input);
u->latency_snapshot.min_memblockq_length = u->min_memblockq_length;
u->min_memblockq_length = (size_t) -1;
return 0;
}
case SINK_INPUT_MESSAGE_MAX_REQUEST_CHANGED: {
/* This message is sent from the IO thread to the main
* thread! So don't be confused. All the user cases above
* are executed in thread context, but this one is not! */
pa_assert_ctl_context();
if (u->time_event)
adjust_rates(u);
return 0;
}
}
return pa_sink_input_process_msg(obj, code, data, offset, chunk);
}
/* Called from output thread context */
static int sink_input_process_msg_cb(pa_msgobject *obj, int code, void *data, int64_t offset, pa_memchunk *chunk) {
struct userdata *u = PA_SINK_INPUT(obj)->userdata;
switch (code) {
case PA_SINK_INPUT_MESSAGE_GET_LATENCY: {
pa_usec_t *r = data;
pa_sink_input_assert_io_context(u->sink_input);
*r = pa_bytes_to_usec(pa_memblockq_get_length(u->memblockq), &u->sink_input->sample_spec);
/* Fall through, the default handler will add in the extra
* latency added by the resampler */
break;
}
case SINK_INPUT_MESSAGE_POST:
pa_sink_input_assert_io_context(u->sink_input);
if (PA_SINK_IS_OPENED(u->sink_input->sink->thread_info.state))
pa_memblockq_push_align(u->memblockq, chunk);
else
pa_memblockq_flush_write(u->memblockq, true);
/* Is this the end of an underrun? Then let's start things
* right-away */
if (!u->in_pop &&
u->sink_input->thread_info.underrun_for > 0 &&
pa_memblockq_is_readable(u->memblockq)) {
pa_log_debug("Requesting rewind due to end of underrun.");
pa_sink_input_request_rewind(u->sink_input,
(size_t) (u->sink_input->thread_info.underrun_for == (size_t) -1 ? 0 : u->sink_input->thread_info.underrun_for),
false, true, false);
}
u->recv_counter += (int64_t) chunk->length;
return 0;
case SINK_INPUT_MESSAGE_REWIND:
pa_sink_input_assert_io_context(u->sink_input);
if (PA_SINK_IS_OPENED(u->sink_input->sink->thread_info.state))
pa_memblockq_seek(u->memblockq, -offset, PA_SEEK_RELATIVE, true);
else
pa_memblockq_flush_write(u->memblockq, true);
u->recv_counter -= offset;
return 0;
case SINK_INPUT_MESSAGE_LATENCY_SNAPSHOT: {
size_t length;
length = pa_memblockq_get_length(u->sink_input->thread_info.render_memblockq);
u->latency_snapshot.recv_counter = u->recv_counter;
u->latency_snapshot.sink_input_buffer = pa_memblockq_get_length(u->memblockq);
/* Add content of render memblockq to sink latency */
u->latency_snapshot.sink_latency = pa_sink_get_latency_within_thread(u->sink_input->sink) +
pa_bytes_to_usec(length, &u->sink_input->sink->sample_spec);
u->latency_snapshot.sink_timestamp = pa_rtclock_now();
return 0;
}
}
return pa_sink_input_process_msg(obj, code, data, offset, chunk);
}