diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/pulsecore/protocol-native.c | 139 |
1 files changed, 97 insertions, 42 deletions
diff --git a/src/pulsecore/protocol-native.c b/src/pulsecore/protocol-native.c index 30d68f35..59e5d80e 100644 --- a/src/pulsecore/protocol-native.c +++ b/src/pulsecore/protocol-native.c @@ -86,7 +86,15 @@ typedef struct record_stream { pa_bool_t early_requests:1; pa_buffer_attr buffer_attr; - pa_usec_t source_latency; + + pa_atomic_t on_the_fly; + pa_usec_t configured_source_latency; + size_t drop_initial; + + /* Only updated after SOURCE_OUTPUT_MESSAGE_UPDATE_LATENCY */ + size_t on_the_fly_snapshot; + pa_usec_t current_monitor_latency; + pa_usec_t current_source_latency; } record_stream; PA_DECLARE_CLASS(record_stream); @@ -119,12 +127,14 @@ typedef struct playback_stream { uint32_t syncid; pa_atomic_t missing; - pa_usec_t sink_latency; + pa_usec_t configured_sink_latency; pa_buffer_attr buffer_attr; /* Only updated after SINK_INPUT_MESSAGE_UPDATE_LATENCY */ int64_t read_index, write_index; size_t render_memblockq_length; + pa_usec_t current_sink_latency; + uint64_t playing_for, underrun_for; } playback_stream; PA_DECLARE_CLASS(playback_stream); @@ -182,6 +192,10 @@ struct pa_native_protocol { }; enum { + SOURCE_OUTPUT_MESSAGE_UPDATE_LATENCY = PA_SOURCE_OUTPUT_MESSAGE_MAX +}; + +enum { SINK_INPUT_MESSAGE_POST_DATA = PA_SINK_INPUT_MESSAGE_MAX, /* data from main loop to sink input */ SINK_INPUT_MESSAGE_DRAIN, /* disabled prebuf, get playback started. */ SINK_INPUT_MESSAGE_FLUSH, @@ -230,6 +244,7 @@ static pa_usec_t source_output_get_latency_cb(pa_source_output *o); static void source_output_send_event_cb(pa_source_output *o, const char *event, pa_proplist *pl); static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk); +static int source_output_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk); static void command_exit(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); static void command_create_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); @@ -474,6 +489,10 @@ static int record_stream_process_msg(pa_msgobject *o, int code, void*userdata, i case RECORD_STREAM_MESSAGE_POST_DATA: + /* We try to keep up to date with how many bytes are + * currently on the fly */ + pa_atomic_sub(&s->on_the_fly, chunk->length); + if (pa_memblockq_push_align(s->memblockq, chunk) < 0) { /* pa_log_warn("Failed to push data into output queue."); */ return -1; @@ -537,29 +556,29 @@ static void fix_record_buffer_attr_pre(record_stream *s) { /* Ok, the user didn't ask us to adjust the latency, hence we * don't */ - source_usec = 0; + source_usec = (pa_usec_t) -1; } - if (source_usec > 0) - s->source_latency = pa_source_output_set_requested_latency(s->source_output, source_usec); + if (source_usec != (pa_usec_t) -1) + s->configured_source_latency = pa_source_output_set_requested_latency(s->source_output, source_usec); else - s->source_latency = 0; + s->configured_source_latency = 0; if (s->early_requests) { /* Ok, we didn't necessarily get what we were asking for, so * let's tell the user */ - fragsize_usec = s->source_latency; + fragsize_usec = s->configured_source_latency; } else if (s->adjust_latency) { /* Now subtract what we actually got */ - if (fragsize_usec >= s->source_latency*2) - fragsize_usec -= s->source_latency; + if (fragsize_usec >= s->configured_source_latency*2) + fragsize_usec -= s->configured_source_latency; else - fragsize_usec = s->source_latency; + fragsize_usec = s->configured_source_latency; } if (pa_usec_to_bytes(orig_fragsize_usec, &s->source_output->sample_spec) != @@ -645,7 +664,9 @@ static record_stream* record_stream_new( s->buffer_attr = *attr; s->adjust_latency = adjust_latency; s->early_requests = early_requests; + pa_atomic_store(&s->on_the_fly, 0); + s->source_output->parent.process_msg = source_output_process_msg; s->source_output->push = source_output_push_cb; s->source_output->kill = source_output_kill_cb; s->source_output->get_latency = source_output_get_latency_cb; @@ -675,9 +696,9 @@ static record_stream* record_stream_new( pa_idxset_put(c->record_streams, s, &s->index); pa_log_info("Final latency %0.2f ms = %0.2f ms + %0.2f ms", - ((double) pa_bytes_to_usec(s->buffer_attr.fragsize, &source_output->sample_spec) + (double) s->source_latency) / PA_USEC_PER_MSEC, + ((double) pa_bytes_to_usec(s->buffer_attr.fragsize, &source_output->sample_spec) + (double) s->configured_source_latency) / PA_USEC_PER_MSEC, (double) pa_bytes_to_usec(s->buffer_attr.fragsize, &source_output->sample_spec) / PA_USEC_PER_MSEC, - (double) s->source_latency / PA_USEC_PER_MSEC); + (double) s->configured_source_latency / PA_USEC_PER_MSEC); pa_source_output_put(s->source_output); return s; @@ -817,7 +838,7 @@ static int playback_stream_process_msg(pa_msgobject *o, int code, void*userdata, pa_tagstruct_putu32(t, s->buffer_attr.tlength); pa_tagstruct_putu32(t, s->buffer_attr.prebuf); pa_tagstruct_putu32(t, s->buffer_attr.minreq); - pa_tagstruct_put_usec(t, s->sink_latency); + pa_tagstruct_put_usec(t, s->configured_sink_latency); pa_pstream_send_tagstruct(s->connection->pstream, t); break; @@ -915,14 +936,14 @@ static void fix_playback_buffer_attr(playback_stream *s) { pa_log_debug("Traditional mode enabled, modifying sink usec only for compat with minreq."); } - s->sink_latency = pa_sink_input_set_requested_latency(s->sink_input, sink_usec); + s->configured_sink_latency = pa_sink_input_set_requested_latency(s->sink_input, sink_usec); if (s->early_requests) { /* Ok, we didn't necessarily get what we were asking for, so * let's tell the user */ - minreq_usec = s->sink_latency; + minreq_usec = s->configured_sink_latency; } else if (s->adjust_latency) { @@ -930,14 +951,14 @@ static void fix_playback_buffer_attr(playback_stream *s) { * let's subtract from what we asked for for the remaining * buffer space */ - if (tlength_usec >= s->sink_latency) - tlength_usec -= s->sink_latency; + if (tlength_usec >= s->configured_sink_latency) + tlength_usec -= s->configured_sink_latency; } /* FIXME: This is actually larger than necessary, since not all of * the sink latency is actually rewritable. */ - if (tlength_usec < s->sink_latency + 2*minreq_usec) - tlength_usec = s->sink_latency + 2*minreq_usec; + if (tlength_usec < s->configured_sink_latency + 2*minreq_usec) + tlength_usec = s->configured_sink_latency + 2*minreq_usec; if (pa_usec_to_bytes_round_up(orig_tlength_usec, &s->sink_input->sample_spec) != pa_usec_to_bytes_round_up(tlength_usec, &s->sink_input->sample_spec)) @@ -1083,10 +1104,10 @@ static playback_stream* playback_stream_new( pa_idxset_put(c->output_streams, s, &s->index); pa_log_info("Final latency %0.2f ms = %0.2f ms + 2*%0.2f ms + %0.2f ms", - ((double) pa_bytes_to_usec(s->buffer_attr.tlength, &sink_input->sample_spec) + (double) s->sink_latency) / PA_USEC_PER_MSEC, + ((double) pa_bytes_to_usec(s->buffer_attr.tlength, &sink_input->sample_spec) + (double) s->configured_sink_latency) / PA_USEC_PER_MSEC, (double) pa_bytes_to_usec(s->buffer_attr.tlength-s->buffer_attr.minreq*2, &sink_input->sample_spec) / PA_USEC_PER_MSEC, (double) pa_bytes_to_usec(s->buffer_attr.minreq, &sink_input->sample_spec) / PA_USEC_PER_MSEC, - (double) s->sink_latency / PA_USEC_PER_MSEC); + (double) s->configured_sink_latency / PA_USEC_PER_MSEC); pa_sink_input_put(s->sink_input); return s; @@ -1387,10 +1408,14 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int } case SINK_INPUT_MESSAGE_UPDATE_LATENCY: - + /* Atomically get a snapshot of all timing parameters... */ s->read_index = pa_memblockq_get_read_index(s->memblockq); s->write_index = pa_memblockq_get_write_index(s->memblockq); s->render_memblockq_length = pa_memblockq_get_length(s->sink_input->thread_info.render_memblockq); + s->current_sink_latency = pa_sink_get_latency_within_thread(s->sink_input->sink); + s->underrun_for = s->sink_input->thread_info.underrun_for; + s->playing_for = s->sink_input->thread_info.playing_for; + return 0; case PA_SINK_INPUT_MESSAGE_SET_STATE: { @@ -1603,7 +1628,7 @@ static void sink_input_moving_cb(pa_sink_input *i, pa_sink *dest) { pa_tagstruct_putu32(t, s->buffer_attr.tlength); pa_tagstruct_putu32(t, s->buffer_attr.prebuf); pa_tagstruct_putu32(t, s->buffer_attr.minreq); - pa_tagstruct_put_usec(t, s->sink_latency); + pa_tagstruct_put_usec(t, s->configured_sink_latency); } pa_pstream_send_tagstruct(s->connection->pstream, t); @@ -1612,6 +1637,27 @@ static void sink_input_moving_cb(pa_sink_input *i, pa_sink *dest) { /*** source_output callbacks ***/ /* Called from thread context */ +static int source_output_process_msg(pa_msgobject *_o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) { + pa_source_output *o = PA_SOURCE_OUTPUT(_o); + record_stream *s; + + pa_source_output_assert_ref(o); + s = RECORD_STREAM(o->userdata); + record_stream_assert_ref(s); + + switch (code) { + case SOURCE_OUTPUT_MESSAGE_UPDATE_LATENCY: + /* Atomically get a snapshot of all timing parameters... */ + s->current_monitor_latency = o->source->monitor_of ? pa_sink_get_latency_within_thread(o->source->monitor_of) : 0; + s->current_source_latency = pa_source_get_latency_within_thread(o->source); + s->on_the_fly_snapshot = pa_atomic_load(&s->on_the_fly); + return 0; + } + + return pa_source_output_process_msg(_o, code, userdata, offset, chunk); +} + +/* Called from thread context */ static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk) { record_stream *s; @@ -1620,6 +1666,7 @@ static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk) record_stream_assert_ref(s); pa_assert(chunk); + pa_atomic_add(&s->on_the_fly, chunk->length); pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), RECORD_STREAM_MESSAGE_POST_DATA, NULL, 0, chunk, NULL); } @@ -1715,7 +1762,7 @@ static void source_output_moving_cb(pa_source_output *o, pa_source *dest) { if (s->connection->version >= 13) { pa_tagstruct_putu32(t, s->buffer_attr.maxlength); pa_tagstruct_putu32(t, s->buffer_attr.fragsize); - pa_tagstruct_put_usec(t, s->source_latency); + pa_tagstruct_put_usec(t, s->configured_source_latency); } pa_pstream_send_tagstruct(s->connection->pstream, t); @@ -1938,7 +1985,7 @@ static void command_create_playback_stream(pa_pdispatch *pd, uint32_t command, u } if (c->version >= 13) - pa_tagstruct_put_usec(reply, s->sink_latency); + pa_tagstruct_put_usec(reply, s->configured_sink_latency); pa_pstream_send_tagstruct(c->pstream, reply); } @@ -2185,7 +2232,7 @@ static void command_create_record_stream(pa_pdispatch *pd, uint32_t command, uin } if (c->version >= 13) - pa_tagstruct_put_usec(reply, s->source_latency); + pa_tagstruct_put_usec(reply, s->configured_source_latency); pa_pstream_send_tagstruct(c->pstream, reply); } @@ -2472,7 +2519,6 @@ static void command_get_playback_latency(pa_pdispatch *pd, uint32_t command, uin playback_stream *s; struct timeval tv, now; uint32_t idx; - pa_usec_t latency; pa_native_connection_assert_ref(c); pa_assert(t); @@ -2488,25 +2534,27 @@ static void command_get_playback_latency(pa_pdispatch *pd, uint32_t command, uin s = pa_idxset_get_by_index(c->output_streams, idx); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); CHECK_VALIDITY(c->pstream, playback_stream_isinstance(s), tag, PA_ERR_NOENTITY); - CHECK_VALIDITY(c->pstream, pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_UPDATE_LATENCY, s, 0, NULL) == 0, tag, PA_ERR_NOENTITY) - - reply = reply_new(tag); - latency = pa_sink_get_latency(s->sink_input->sink); - latency += pa_bytes_to_usec(s->render_memblockq_length, &s->sink_input->sample_spec); - - pa_tagstruct_put_usec(reply, latency); + /* Get an atomic snapshot of all timing parameters */ + pa_assert_se(pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_UPDATE_LATENCY, s, 0, NULL) == 0); + reply = reply_new(tag); + pa_tagstruct_put_usec(reply, + s->current_sink_latency + + pa_bytes_to_usec(s->render_memblockq_length, &s->sink_input->sample_spec)); pa_tagstruct_put_usec(reply, 0); - pa_tagstruct_put_boolean(reply, s->sink_input->thread_info.playing_for > 0); + pa_tagstruct_put_boolean(reply, + s->playing_for > 0 && + pa_sink_get_state(s->sink_input->sink) == PA_SINK_RUNNING && + pa_sink_input_get_state(s->sink_input) == PA_SINK_INPUT_RUNNING); pa_tagstruct_put_timeval(reply, &tv); pa_tagstruct_put_timeval(reply, pa_gettimeofday(&now)); pa_tagstruct_puts64(reply, s->write_index); pa_tagstruct_puts64(reply, s->read_index); if (c->version >= 13) { - pa_tagstruct_putu64(reply, s->sink_input->thread_info.underrun_for); - pa_tagstruct_putu64(reply, s->sink_input->thread_info.playing_for); + pa_tagstruct_putu64(reply, s->underrun_for); + pa_tagstruct_putu64(reply, s->playing_for); } pa_pstream_send_tagstruct(c->pstream, reply); @@ -2533,10 +2581,17 @@ static void command_get_record_latency(pa_pdispatch *pd, uint32_t command, uint3 s = pa_idxset_get_by_index(c->record_streams, idx); CHECK_VALIDITY(c->pstream, s, tag, PA_ERR_NOENTITY); + /* Get an atomic snapshot of all timing parameters */ + pa_assert_se(pa_asyncmsgq_send(s->source_output->source->asyncmsgq, PA_MSGOBJECT(s->source_output), SOURCE_OUTPUT_MESSAGE_UPDATE_LATENCY, s, 0, NULL) == 0); + reply = reply_new(tag); - pa_tagstruct_put_usec(reply, s->source_output->source->monitor_of ? pa_sink_get_latency(s->source_output->source->monitor_of) : 0); - pa_tagstruct_put_usec(reply, pa_source_get_latency(s->source_output->source)); - pa_tagstruct_put_boolean(reply, pa_source_get_state(s->source_output->source) == PA_SOURCE_RUNNING); + pa_tagstruct_put_usec(reply, s->current_monitor_latency); + pa_tagstruct_put_usec(reply, + s->current_source_latency + + pa_bytes_to_usec(s->on_the_fly_snapshot, &s->source_output->sample_spec)); + pa_tagstruct_put_boolean(reply, + pa_source_get_state(s->source_output->source) == PA_SOURCE_RUNNING && + pa_source_output_get_state(s->source_output) == PA_SOURCE_OUTPUT_RUNNING); pa_tagstruct_put_timeval(reply, &tv); pa_tagstruct_put_timeval(reply, pa_gettimeofday(&now)); pa_tagstruct_puts64(reply, pa_memblockq_get_write_index(s->memblockq)); @@ -3514,7 +3569,7 @@ static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, u pa_tagstruct_putu32(reply, s->buffer_attr.minreq); if (c->version >= 13) - pa_tagstruct_put_usec(reply, s->sink_latency); + pa_tagstruct_put_usec(reply, s->configured_sink_latency); } else { record_stream *s; @@ -3550,7 +3605,7 @@ static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, u pa_tagstruct_putu32(reply, s->buffer_attr.fragsize); if (c->version >= 13) - pa_tagstruct_put_usec(reply, s->source_latency); + pa_tagstruct_put_usec(reply, s->configured_source_latency); } pa_pstream_send_tagstruct(c->pstream, reply); |