From 65b787d00010ee59d823ec081c82116f2400ecf0 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Mon, 30 Mar 2009 18:46:12 +0200 Subject: notify clients about tlength changes --- src/pulse/context.c | 4 +- src/pulse/internal.h | 3 + src/pulse/stream.c | 92 ++++++++- src/pulse/stream.h | 9 +- src/pulsecore/native-common.h | 6 +- src/pulsecore/protocol-native.c | 406 ++++++++++++++++++++-------------------- 6 files changed, 314 insertions(+), 206 deletions(-) (limited to 'src') diff --git a/src/pulse/context.c b/src/pulse/context.c index 00dffc25..7c86a435 100644 --- a/src/pulse/context.c +++ b/src/pulse/context.c @@ -99,7 +99,9 @@ static const pa_pdispatch_cb_t command_table[PA_COMMAND_MAX] = { [PA_COMMAND_EXTENSION] = pa_command_extension, [PA_COMMAND_PLAYBACK_STREAM_EVENT] = pa_command_stream_event, [PA_COMMAND_RECORD_STREAM_EVENT] = pa_command_stream_event, - [PA_COMMAND_CLIENT_EVENT] = pa_command_client_event + [PA_COMMAND_CLIENT_EVENT] = pa_command_client_event, + [PA_COMMAND_PLAYBACK_BUFFER_ATTR_CHANGED] = pa_command_stream_buffer_attr, + [PA_COMMAND_RECORD_BUFFER_ATTR_CHANGED] = pa_command_stream_buffer_attr }; static void context_free(pa_context *c); diff --git a/src/pulse/internal.h b/src/pulse/internal.h index 9646d8a6..c08bd26a 100644 --- a/src/pulse/internal.h +++ b/src/pulse/internal.h @@ -185,6 +185,8 @@ struct pa_stream { void *started_userdata; pa_stream_event_cb_t event_callback; void *event_userdata; + pa_stream_notify_cb_t buffer_attr_callback; + void *buffer_attr_userdata; }; typedef void (*pa_operation_cb_t)(void); @@ -213,6 +215,7 @@ void pa_command_stream_moved(pa_pdispatch *pd, uint32_t command, uint32_t tag, p void pa_command_stream_started(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); void pa_command_stream_event(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); void pa_command_client_event(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); +void pa_command_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata); pa_operation *pa_operation_new(pa_context *c, pa_stream *s, pa_operation_cb_t callback, void *userdata); void pa_operation_done(pa_operation *o); diff --git a/src/pulse/stream.c b/src/pulse/stream.c index 48e3b08e..bb53b19d 100644 --- a/src/pulse/stream.c +++ b/src/pulse/stream.c @@ -72,6 +72,8 @@ static void reset_callbacks(pa_stream *s) { s->started_userdata = NULL; s->event_callback = NULL; s->event_userdata = NULL; + s->buffer_attr_callback = NULL; + s->buffer_attr_userdata = NULL; } pa_stream *pa_stream_new_with_proplist( @@ -396,7 +398,7 @@ void pa_command_stream_moved(pa_pdispatch *pd, uint32_t command, uint32_t tag, p const char *dn; pa_bool_t suspended; uint32_t di; - pa_usec_t usec; + pa_usec_t usec = 0; uint32_t maxlength = 0, fragsize = 0, minreq = 0, tlength = 0, prebuf = 0; pa_assert(pd); @@ -486,6 +488,80 @@ finish: pa_context_unref(c); } +void pa_command_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { + pa_context *c = userdata; + pa_stream *s; + uint32_t channel; + pa_usec_t usec = 0; + uint32_t maxlength = 0, fragsize = 0, minreq = 0, tlength = 0, prebuf = 0; + + pa_assert(pd); + pa_assert(command == PA_COMMAND_PLAYBACK_BUFFER_ATTR_CHANGED || command == PA_COMMAND_RECORD_BUFFER_ATTR_CHANGED); + pa_assert(t); + pa_assert(c); + pa_assert(PA_REFCNT_VALUE(c) >= 1); + + pa_context_ref(c); + + if (c->version < 15) { + pa_context_fail(c, PA_ERR_PROTOCOL); + goto finish; + } + + if (pa_tagstruct_getu32(t, &channel) < 0) { + pa_context_fail(c, PA_ERR_PROTOCOL); + goto finish; + } + + if (command == PA_COMMAND_RECORD_STREAM_MOVED) { + if (pa_tagstruct_getu32(t, &maxlength) < 0 || + pa_tagstruct_getu32(t, &fragsize) < 0 || + pa_tagstruct_get_usec(t, &usec) < 0) { + pa_context_fail(c, PA_ERR_PROTOCOL); + goto finish; + } + } else { + if (pa_tagstruct_getu32(t, &maxlength) < 0 || + pa_tagstruct_getu32(t, &tlength) < 0 || + pa_tagstruct_getu32(t, &prebuf) < 0 || + pa_tagstruct_getu32(t, &minreq) < 0 || + pa_tagstruct_get_usec(t, &usec) < 0) { + pa_context_fail(c, PA_ERR_PROTOCOL); + goto finish; + } + } + + if (!pa_tagstruct_eof(t)) { + pa_context_fail(c, PA_ERR_PROTOCOL); + goto finish; + } + + if (!(s = pa_dynarray_get(command == PA_COMMAND_PLAYBACK_BUFFER_ATTR_CHANGED ? c->playback_streams : c->record_streams, channel))) + goto finish; + + if (s->state != PA_STREAM_READY) + goto finish; + + if (s->direction == PA_STREAM_RECORD) + s->timing_info.configured_source_usec = usec; + else + s->timing_info.configured_sink_usec = usec; + + s->buffer_attr.maxlength = maxlength; + s->buffer_attr.fragsize = fragsize; + s->buffer_attr.tlength = tlength; + s->buffer_attr.prebuf = prebuf; + s->buffer_attr.minreq = minreq; + + request_auto_timing_update(s, TRUE); + + if (s->buffer_attr_callback) + s->buffer_attr_callback(s, s->buffer_attr_userdata); + +finish: + pa_context_unref(c); +} + void pa_command_stream_suspended(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_context *c = userdata; pa_stream *s; @@ -1798,6 +1874,20 @@ void pa_stream_set_event_callback(pa_stream *s, pa_stream_event_cb_t cb, void *u s->event_userdata = userdata; } +void pa_stream_set_buffer_attr_callback(pa_stream *s, pa_stream_notify_cb_t cb, void *userdata) { + pa_assert(s); + pa_assert(PA_REFCNT_VALUE(s) >= 1); + + if (pa_detect_fork()) + return; + + if (s->state == PA_STREAM_TERMINATED || s->state == PA_STREAM_FAILED) + return; + + s->buffer_attr_callback = cb; + s->buffer_attr_userdata = userdata; +} + void pa_stream_simple_ack_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_operation *o = userdata; int success = 1; diff --git a/src/pulse/stream.h b/src/pulse/stream.h index e80bc65d..8e99a753 100644 --- a/src/pulse/stream.h +++ b/src/pulse/stream.h @@ -512,6 +512,13 @@ void pa_stream_set_suspended_callback(pa_stream *p, pa_stream_notify_cb_t cb, vo * control event is received.\since 0.9.15 */ void pa_stream_set_event_callback(pa_stream *p, pa_stream_event_cb_t cb, void *userdata); +/** Set the callback function that is called whenver the buffer + * attributes on the server side change. Please note that the buffer + * attributes can change when moving a stream to a different + * sink/source too, hence if you use this callback you should use + * pa_stream_set_moved_callback() as well. \since 0.9.15 */ +void pa_stream_set_buffer_attr_callback(pa_stream *p, pa_stream_notify_cb_t cb, void *userdata); + /** Pause (or resume) playback of this stream temporarily. Available on both playback and recording streams. */ pa_operation* pa_stream_cork(pa_stream *s, int b, pa_stream_success_cb_t cb, void *userdata); @@ -530,7 +537,7 @@ pa_operation* pa_stream_prebuf(pa_stream *s, pa_stream_success_cb_t cb, void *us * temporarily. Available for playback streams only. */ pa_operation* pa_stream_trigger(pa_stream *s, pa_stream_success_cb_t cb, void *userdata); -/** Rename the stream.*/ +/** Rename the stream. */ pa_operation* pa_stream_set_name(pa_stream *s, const char *name, pa_stream_success_cb_t cb, void *userdata); /** Return the current playback/recording time. This is based on the diff --git a/src/pulsecore/native-common.h b/src/pulsecore/native-common.h index 6951e10a..d4d7f3ee 100644 --- a/src/pulsecore/native-common.h +++ b/src/pulsecore/native-common.h @@ -152,7 +152,7 @@ enum { /* Supported since protocol v14 (0.9.12) */ PA_COMMAND_EXTENSION, - /* Supported since protocol v15 (0.9.15*/ + /* Supported since protocol v15 (0.9.15) */ PA_COMMAND_GET_CARD_INFO, PA_COMMAND_GET_CARD_INFO_LIST, PA_COMMAND_SET_CARD_PROFILE, @@ -161,6 +161,10 @@ enum { PA_COMMAND_PLAYBACK_STREAM_EVENT, PA_COMMAND_RECORD_STREAM_EVENT, + /* SERVER->CLIENT */ + PA_COMMAND_PLAYBACK_BUFFER_ATTR_CHANGED, + PA_COMMAND_RECORD_BUFFER_ATTR_CHANGED, + PA_COMMAND_MAX }; diff --git a/src/pulsecore/protocol-native.c b/src/pulsecore/protocol-native.c index b11265c4..3e75cab8 100644 --- a/src/pulsecore/protocol-native.c +++ b/src/pulsecore/protocol-native.c @@ -81,7 +81,11 @@ typedef struct record_stream { pa_source_output *source_output; pa_memblockq *memblockq; - size_t fragment_size; + + pa_bool_t adjust_latency:1; + pa_bool_t early_requests:1; + + pa_buffer_attr buffer_attr; pa_usec_t source_latency; } record_stream; @@ -105,14 +109,18 @@ typedef struct playback_stream { pa_sink_input *sink_input; pa_memblockq *memblockq; + + pa_bool_t adjust_latency:1; + pa_bool_t early_requests:1; + pa_bool_t is_underrun:1; pa_bool_t drain_request:1; uint32_t drain_tag; uint32_t syncid; pa_atomic_t missing; - size_t minreq; pa_usec_t sink_latency; + pa_buffer_attr buffer_attr; /* Only updated after SINK_INPUT_MESSAGE_UPDATE_LATENCY */ int64_t read_index, write_index; @@ -180,7 +188,8 @@ enum { SINK_INPUT_MESSAGE_TRIGGER, SINK_INPUT_MESSAGE_SEEK, SINK_INPUT_MESSAGE_PREBUF_FORCE, - SINK_INPUT_MESSAGE_UPDATE_LATENCY + SINK_INPUT_MESSAGE_UPDATE_LATENCY, + SINK_INPUT_MESSAGE_UPDATE_BUFFER_ATTR }; enum { @@ -188,7 +197,8 @@ enum { PLAYBACK_STREAM_MESSAGE_UNDERFLOW, PLAYBACK_STREAM_MESSAGE_OVERFLOW, PLAYBACK_STREAM_MESSAGE_DRAIN_ACK, - PLAYBACK_STREAM_MESSAGE_STARTED + PLAYBACK_STREAM_MESSAGE_STARTED, + PLAYBACK_STREAM_MESSAGE_UPDATE_TLENGTH }; enum { @@ -478,35 +488,34 @@ static int record_stream_process_msg(pa_msgobject *o, int code, void*userdata, i return 0; } -static void fix_record_buffer_attr_pre( - record_stream *s, - pa_bool_t adjust_latency, - pa_bool_t early_requests, - uint32_t *maxlength, - uint32_t *fragsize) { +/* Called from main context */ +static void fix_record_buffer_attr_pre(record_stream *s) { size_t frame_size; pa_usec_t orig_fragsize_usec, fragsize_usec, source_usec; pa_assert(s); - pa_assert(maxlength); - pa_assert(fragsize); + + /* This function will be called from the main thread, before as + * well as after the source output has been activated using + * pa_source_output_put()! That means it may not touch any + * ->thread_info data! */ frame_size = pa_frame_size(&s->source_output->sample_spec); - if (*maxlength == (uint32_t) -1 || *maxlength > MAX_MEMBLOCKQ_LENGTH) - *maxlength = MAX_MEMBLOCKQ_LENGTH; - if (*maxlength <= 0) - *maxlength = (uint32_t) frame_size; + if (s->buffer_attr.maxlength == (uint32_t) -1 || s->buffer_attr.maxlength > MAX_MEMBLOCKQ_LENGTH) + s->buffer_attr.maxlength = MAX_MEMBLOCKQ_LENGTH; + if (s->buffer_attr.maxlength <= 0) + s->buffer_attr.maxlength = (uint32_t) frame_size; - if (*fragsize == (uint32_t) -1) - *fragsize = (uint32_t) pa_usec_to_bytes(DEFAULT_FRAGSIZE_MSEC*PA_USEC_PER_MSEC, &s->source_output->sample_spec); - if (*fragsize <= 0) - *fragsize = (uint32_t) frame_size; + if (s->buffer_attr.fragsize == (uint32_t) -1) + s->buffer_attr.fragsize = (uint32_t) pa_usec_to_bytes(DEFAULT_FRAGSIZE_MSEC*PA_USEC_PER_MSEC, &s->source_output->sample_spec); + if (s->buffer_attr.fragsize <= 0) + s->buffer_attr.fragsize = (uint32_t) frame_size; - orig_fragsize_usec = fragsize_usec = pa_bytes_to_usec(*fragsize, &s->source_output->sample_spec); + orig_fragsize_usec = fragsize_usec = pa_bytes_to_usec(s->buffer_attr.fragsize, &s->source_output->sample_spec); - if (early_requests) { + if (s->early_requests) { /* In early request mode we need to emulate the classic * fragment-based playback model. We do this setting the source @@ -514,7 +523,7 @@ static void fix_record_buffer_attr_pre( source_usec = fragsize_usec; - } else if (adjust_latency) { + } else if (s->adjust_latency) { /* So, the user asked us to adjust the latency according to * what the source can provide. Half the latency will be @@ -536,14 +545,14 @@ static void fix_record_buffer_attr_pre( else s->source_latency = 0; - if (early_requests) { + 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; - } else if (adjust_latency) { + } else if (s->adjust_latency) { /* Now subtract what we actually got */ @@ -556,35 +565,31 @@ static void fix_record_buffer_attr_pre( if (pa_usec_to_bytes(orig_fragsize_usec, &s->source_output->sample_spec) != pa_usec_to_bytes(fragsize_usec, &s->source_output->sample_spec)) - *fragsize = (uint32_t) pa_usec_to_bytes(fragsize_usec, &s->source_output->sample_spec); + s->buffer_attr.fragsize = (uint32_t) pa_usec_to_bytes(fragsize_usec, &s->source_output->sample_spec); - if (*fragsize <= 0) - *fragsize = (uint32_t) frame_size; + if (s->buffer_attr.fragsize <= 0) + s->buffer_attr.fragsize = (uint32_t) frame_size; } -static void fix_record_buffer_attr_post( - record_stream *s, - uint32_t *maxlength, - uint32_t *fragsize) { - +/* Called from main context */ +static void fix_record_buffer_attr_post(record_stream *s) { size_t base; pa_assert(s); - pa_assert(maxlength); - pa_assert(fragsize); - *maxlength = (uint32_t) pa_memblockq_get_maxlength(s->memblockq); + /* This function will be called from the main thread, before as + * well as after the source output has been activated using + * pa_source_output_put()! That means it may not touch and + * ->thread_info data! */ base = pa_frame_size(&s->source_output->sample_spec); - s->fragment_size = (*fragsize/base)*base; - if (s->fragment_size <= 0) - s->fragment_size = base; + s->buffer_attr.fragsize = (s->buffer_attr.fragsize/base)*base; + if (s->buffer_attr.fragsize <= 0) + s->buffer_attr.fragsize = base; - if (s->fragment_size > *maxlength) - s->fragment_size = *maxlength; - - *fragsize = (uint32_t) s->fragment_size; + if (s->buffer_attr.fragsize > s->buffer_attr.maxlength) + s->buffer_attr.fragsize = s->buffer_attr.maxlength; } /* Called from main context */ @@ -594,8 +599,7 @@ static record_stream* record_stream_new( pa_sample_spec *ss, pa_channel_map *map, pa_bool_t peak_detect, - uint32_t *maxlength, - uint32_t *fragsize, + pa_buffer_attr *attr, pa_source_output_flags_t flags, pa_proplist *p, pa_bool_t adjust_latency, @@ -610,7 +614,6 @@ static record_stream* record_stream_new( pa_assert(c); pa_assert(ss); - pa_assert(maxlength); pa_assert(p); pa_assert(ret); @@ -639,6 +642,9 @@ static record_stream* record_stream_new( s->parent.process_msg = record_stream_process_msg; s->connection = c; s->source_output = source_output; + s->buffer_attr = *attr; + s->adjust_latency = adjust_latency; + s->early_requests = early_requests; s->source_output->push = source_output_push_cb; s->source_output->kill = source_output_kill_cb; @@ -648,11 +654,11 @@ static record_stream* record_stream_new( s->source_output->send_event = source_output_send_event_cb; s->source_output->userdata = s; - fix_record_buffer_attr_pre(s, adjust_latency, early_requests, maxlength, fragsize); + fix_record_buffer_attr_pre(s); s->memblockq = pa_memblockq_new( 0, - *maxlength, + s->buffer_attr.maxlength, 0, base = pa_frame_size(&source_output->sample_spec), 1, @@ -660,7 +666,8 @@ static record_stream* record_stream_new( 0, NULL); - fix_record_buffer_attr_post(s, maxlength, fragsize); + pa_memblockq_get_attr(s->memblockq, &s->buffer_attr); + fix_record_buffer_attr_post(s); *ss = s->source_output->sample_spec; *map = s->source_output->channel_map; @@ -668,8 +675,8 @@ 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->fragment_size, &source_output->sample_spec) + (double) s->source_latency) / PA_USEC_PER_MSEC, - (double) pa_bytes_to_usec(s->fragment_size, &source_output->sample_spec) / PA_USEC_PER_MSEC, + ((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) / PA_USEC_PER_MSEC, (double) s->source_latency / PA_USEC_PER_MSEC); pa_source_output_put(s->source_output); @@ -799,67 +806,79 @@ static int playback_stream_process_msg(pa_msgobject *o, int code, void*userdata, case PLAYBACK_STREAM_MESSAGE_DRAIN_ACK: pa_pstream_send_simple_ack(s->connection->pstream, PA_PTR_TO_UINT(userdata)); break; + + case PLAYBACK_STREAM_MESSAGE_UPDATE_TLENGTH: { + pa_tagstruct *t; + + s->buffer_attr.tlength = (uint32_t) offset; + + t = pa_tagstruct_new(NULL, 0); + pa_tagstruct_putu32(t, PA_COMMAND_PLAYBACK_BUFFER_ATTR_CHANGED); + pa_tagstruct_putu32(t, (uint32_t) -1); /* tag */ + pa_tagstruct_putu32(t, s->index); + pa_tagstruct_putu32(t, s->buffer_attr.maxlength); + 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_pstream_send_tagstruct(s->connection->pstream, t); + + break; + } } return 0; } -static void fix_playback_buffer_attr_pre( - playback_stream *s, - pa_bool_t adjust_latency, - pa_bool_t early_requests, - uint32_t *maxlength, - uint32_t *tlength, - uint32_t* prebuf, - uint32_t* minreq) { - +/* Called from main context */ +static void fix_playback_buffer_attr(playback_stream *s) { size_t frame_size; pa_usec_t orig_tlength_usec, tlength_usec, orig_minreq_usec, minreq_usec, sink_usec; pa_assert(s); - pa_assert(maxlength); - pa_assert(tlength); - pa_assert(prebuf); - pa_assert(minreq); + + /* This function will be called from the main thread, before as + * well as after the sink input has been activated using + * pa_sink_input_put()! That means it may not touch any + * ->thread_info data, such as the memblockq! */ frame_size = pa_frame_size(&s->sink_input->sample_spec); - if (*maxlength == (uint32_t) -1 || *maxlength > MAX_MEMBLOCKQ_LENGTH) - *maxlength = MAX_MEMBLOCKQ_LENGTH; - if (*maxlength <= 0) - *maxlength = (uint32_t) frame_size; + if (s->buffer_attr.maxlength == (uint32_t) -1 || s->buffer_attr.maxlength > MAX_MEMBLOCKQ_LENGTH) + s->buffer_attr.maxlength = MAX_MEMBLOCKQ_LENGTH; + if (s->buffer_attr.maxlength <= 0) + s->buffer_attr.maxlength = (uint32_t) frame_size; - if (*tlength == (uint32_t) -1) - *tlength = (uint32_t) pa_usec_to_bytes_round_up(DEFAULT_TLENGTH_MSEC*PA_USEC_PER_MSEC, &s->sink_input->sample_spec); - if (*tlength <= 0) - *tlength = (uint32_t) frame_size; + if (s->buffer_attr.tlength == (uint32_t) -1) + s->buffer_attr.tlength = (uint32_t) pa_usec_to_bytes_round_up(DEFAULT_TLENGTH_MSEC*PA_USEC_PER_MSEC, &s->sink_input->sample_spec); + if (s->buffer_attr.tlength <= 0) + s->buffer_attr.tlength = (uint32_t) frame_size; - if (*minreq == (uint32_t) -1) - *minreq = (uint32_t) pa_usec_to_bytes_round_up(DEFAULT_PROCESS_MSEC*PA_USEC_PER_MSEC, &s->sink_input->sample_spec); - if (*minreq <= 0) - *minreq = (uint32_t) frame_size; + if (s->buffer_attr.minreq == (uint32_t) -1) + s->buffer_attr.minreq = (uint32_t) pa_usec_to_bytes_round_up(DEFAULT_PROCESS_MSEC*PA_USEC_PER_MSEC, &s->sink_input->sample_spec); + if (s->buffer_attr.minreq <= 0) + s->buffer_attr.minreq = (uint32_t) frame_size; - if (*tlength < *minreq+frame_size) - *tlength = *minreq+(uint32_t) frame_size; + if (s->buffer_attr.tlength < s->buffer_attr.minreq+frame_size) + s->buffer_attr.tlength = s->buffer_attr.minreq+(uint32_t) frame_size; - orig_tlength_usec = tlength_usec = pa_bytes_to_usec(*tlength, &s->sink_input->sample_spec); - orig_minreq_usec = minreq_usec = pa_bytes_to_usec(*minreq, &s->sink_input->sample_spec); + orig_tlength_usec = tlength_usec = pa_bytes_to_usec(s->buffer_attr.tlength, &s->sink_input->sample_spec); + orig_minreq_usec = minreq_usec = pa_bytes_to_usec(s->buffer_attr.minreq, &s->sink_input->sample_spec); pa_log_info("Requested tlength=%0.2f ms, minreq=%0.2f ms", (double) tlength_usec / PA_USEC_PER_MSEC, (double) minreq_usec / PA_USEC_PER_MSEC); - if (early_requests) { + if (s->early_requests) { /* In early request mode we need to emulate the classic * fragment-based playback model. We do this setting the sink * latency to the fragment size. */ sink_usec = minreq_usec; - pa_log_debug("Early requests mode enabled, configuring sink latency to minreq."); - } else if (adjust_latency) { + } else if (s->adjust_latency) { /* So, the user asked us to adjust the latency of the stream * buffer according to the what the sink can provide. The @@ -901,14 +920,14 @@ static void fix_playback_buffer_attr_pre( s->sink_latency = pa_sink_input_set_requested_latency(s->sink_input, sink_usec); - if (early_requests) { + 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; - } else if (adjust_latency) { + } else if (s->adjust_latency) { /* Ok, we didn't necessarily get what we were asking for, so * let's subtract from what we asked for for the remaining @@ -925,43 +944,22 @@ static void fix_playback_buffer_attr_pre( 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)) - *tlength = (uint32_t) pa_usec_to_bytes_round_up(tlength_usec, &s->sink_input->sample_spec); + s->buffer_attr.tlength = (uint32_t) pa_usec_to_bytes_round_up(tlength_usec, &s->sink_input->sample_spec); if (pa_usec_to_bytes(orig_minreq_usec, &s->sink_input->sample_spec) != pa_usec_to_bytes(minreq_usec, &s->sink_input->sample_spec)) - *minreq = (uint32_t) pa_usec_to_bytes(minreq_usec, &s->sink_input->sample_spec); + s->buffer_attr.minreq = (uint32_t) pa_usec_to_bytes(minreq_usec, &s->sink_input->sample_spec); - if (*minreq <= 0) { - *minreq = (uint32_t) frame_size; - *tlength += (uint32_t) frame_size*2; + if (s->buffer_attr.minreq <= 0) { + s->buffer_attr.minreq = (uint32_t) frame_size; + s->buffer_attr.tlength += (uint32_t) frame_size*2; } - if (*tlength <= *minreq) - *tlength = *minreq*2 + (uint32_t) frame_size; - - if (*prebuf == (uint32_t) -1 || *prebuf > *tlength) - *prebuf = *tlength; -} - -static void fix_playback_buffer_attr_post( - playback_stream *s, - uint32_t *maxlength, - uint32_t *tlength, - uint32_t* prebuf, - uint32_t* minreq) { + if (s->buffer_attr.tlength <= s->buffer_attr.minreq) + s->buffer_attr.tlength = s->buffer_attr.minreq*2 + (uint32_t) frame_size; - pa_assert(s); - pa_assert(maxlength); - pa_assert(tlength); - pa_assert(prebuf); - pa_assert(minreq); - - *maxlength = (uint32_t) pa_memblockq_get_maxlength(s->memblockq); - *tlength = (uint32_t) pa_memblockq_get_tlength(s->memblockq); - *prebuf = (uint32_t) pa_memblockq_get_prebuf(s->memblockq); - *minreq = (uint32_t) pa_memblockq_get_minreq(s->memblockq); - - s->minreq = *minreq; + if (s->buffer_attr.prebuf == (uint32_t) -1 || s->buffer_attr.prebuf > s->buffer_attr.tlength) + s->buffer_attr.prebuf = s->buffer_attr.tlength; } /* Called from main context */ @@ -970,10 +968,7 @@ static playback_stream* playback_stream_new( pa_sink *sink, pa_sample_spec *ss, pa_channel_map *map, - uint32_t *maxlength, - uint32_t *tlength, - uint32_t *prebuf, - uint32_t *minreq, + pa_buffer_attr *a, pa_cvolume *volume, pa_bool_t muted, pa_bool_t muted_set, @@ -994,10 +989,6 @@ static playback_stream* playback_stream_new( pa_assert(c); pa_assert(ss); - pa_assert(maxlength); - pa_assert(tlength); - pa_assert(prebuf); - pa_assert(minreq); pa_assert(missing); pa_assert(p); pa_assert(ret); @@ -1054,6 +1045,9 @@ static playback_stream* playback_stream_new( s->is_underrun = TRUE; s->drain_request = FALSE; pa_atomic_store(&s->missing, 0); + s->buffer_attr = *a; + s->adjust_latency = adjust_latency; + s->early_requests = early_requests; s->sink_input->parent.process_msg = sink_input_process_msg; s->sink_input->pop = sink_input_pop_cb; @@ -1068,21 +1062,21 @@ static playback_stream* playback_stream_new( start_index = ssync ? pa_memblockq_get_read_index(ssync->memblockq) : 0; - fix_playback_buffer_attr_pre(s, adjust_latency, early_requests, maxlength, tlength, prebuf, minreq); - pa_sink_input_get_silence(sink_input, &silence); + fix_playback_buffer_attr(s); + pa_sink_input_get_silence(sink_input, &silence); s->memblockq = pa_memblockq_new( start_index, - *maxlength, - *tlength, + s->buffer_attr.maxlength, + s->buffer_attr.tlength, pa_frame_size(&sink_input->sample_spec), - *prebuf, - *minreq, + s->buffer_attr.prebuf, + s->buffer_attr.minreq, 0, &silence); - pa_memblock_unref(silence.memblock); - fix_playback_buffer_attr_post(s, maxlength, tlength, prebuf, minreq); + + pa_memblockq_get_attr(s->memblockq, &s->buffer_attr); *missing = (uint32_t) pa_memblockq_pop_missing(s->memblockq); @@ -1092,9 +1086,9 @@ 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(*tlength, &sink_input->sample_spec) + (double) s->sink_latency) / PA_USEC_PER_MSEC, - (double) pa_bytes_to_usec(*tlength-*minreq*2, &sink_input->sample_spec) / PA_USEC_PER_MSEC, - (double) pa_bytes_to_usec(*minreq, &sink_input->sample_spec) / PA_USEC_PER_MSEC, + ((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-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); pa_sink_input_put(s->sink_input); @@ -1103,7 +1097,7 @@ static playback_stream* playback_stream_new( /* Called from IO context */ static void playback_stream_request_bytes(playback_stream *s) { - size_t m, previous_missing; + size_t m, previous_missing, minreq; playback_stream_assert_ref(s); @@ -1115,9 +1109,10 @@ static void playback_stream_request_bytes(playback_stream *s) { /* pa_log("request_bytes(%lu)", (unsigned long) m); */ previous_missing = (size_t) pa_atomic_add(&s->missing, (int) m); + minreq = pa_memblockq_get_minreq(s->memblockq); if (pa_memblockq_prebuf_active(s->memblockq) || - (previous_missing < s->minreq && previous_missing+m >= s->minreq)) + (previous_missing < minreq && previous_missing+m >= minreq)) pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_REQUEST_DATA, NULL, 0, NULL, NULL); } @@ -1234,8 +1229,8 @@ static void native_connection_send_memblock(pa_native_connection *c) { if (pa_memblockq_peek(r->memblockq, &chunk) >= 0) { pa_memchunk schunk = chunk; - if (schunk.length > r->fragment_size) - schunk.length = r->fragment_size; + if (schunk.length > r->buffer_attr.fragsize) + schunk.length = r->buffer_attr.fragsize; pa_pstream_send_memblock(c->pstream, r->index, 0, PA_SEEK_RELATIVE, &schunk); @@ -1417,6 +1412,12 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int * latency added by the resampler */ break; } + + case SINK_INPUT_MESSAGE_UPDATE_BUFFER_ATTR: { + pa_memblockq_apply_attr(s->memblockq, &s->buffer_attr); + pa_memblockq_get_attr(s->memblockq, &s->buffer_attr); + return 0; + } } return pa_sink_input_process_msg(o, code, userdata, offset, chunk); @@ -1502,8 +1503,10 @@ static void sink_input_update_max_request_cb(pa_sink_input *i, size_t nbytes) { tlength = nbytes+2*pa_memblockq_get_minreq(s->memblockq); - if (pa_memblockq_get_tlength(s->memblockq) < tlength) + if (pa_memblockq_get_tlength(s->memblockq) < tlength) { pa_memblockq_set_tlength(s->memblockq, tlength); + pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(s), PLAYBACK_STREAM_MESSAGE_UPDATE_TLENGTH, NULL, pa_memblockq_get_tlength(s->memblockq), NULL, NULL); + } } /* Called from main context */ @@ -1563,23 +1566,14 @@ static void sink_input_suspend_cb(pa_sink_input *i, pa_bool_t suspend) { static void sink_input_moving_cb(pa_sink_input *i) { playback_stream *s; pa_tagstruct *t; - uint32_t maxlength, tlength, prebuf, minreq; pa_sink_input_assert_ref(i); s = PLAYBACK_STREAM(i->userdata); playback_stream_assert_ref(s); - maxlength = (uint32_t) pa_memblockq_get_maxlength(s->memblockq); - tlength = (uint32_t) pa_memblockq_get_tlength(s->memblockq); - prebuf = (uint32_t) pa_memblockq_get_prebuf(s->memblockq); - minreq = (uint32_t) pa_memblockq_get_minreq(s->memblockq); - - fix_playback_buffer_attr_pre(s, TRUE, FALSE, &maxlength, &tlength, &prebuf, &minreq); - pa_memblockq_set_maxlength(s->memblockq, maxlength); - pa_memblockq_set_tlength(s->memblockq, tlength); - pa_memblockq_set_prebuf(s->memblockq, prebuf); - pa_memblockq_set_minreq(s->memblockq, minreq); - fix_playback_buffer_attr_post(s, &maxlength, &tlength, &prebuf, &minreq); + fix_playback_buffer_attr(s); + pa_memblockq_apply_attr(s->memblockq, &s->buffer_attr); + pa_memblockq_get_attr(s->memblockq, &s->buffer_attr); if (s->connection->version < 12) return; @@ -1593,10 +1587,10 @@ static void sink_input_moving_cb(pa_sink_input *i) { pa_tagstruct_put_boolean(t, pa_sink_get_state(i->sink) == PA_SINK_SUSPENDED); if (s->connection->version >= 13) { - pa_tagstruct_putu32(t, maxlength); - pa_tagstruct_putu32(t, tlength); - pa_tagstruct_putu32(t, prebuf); - pa_tagstruct_putu32(t, minreq); + pa_tagstruct_putu32(t, s->buffer_attr.maxlength); + 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); } @@ -1685,18 +1679,15 @@ static void source_output_suspend_cb(pa_source_output *o, pa_bool_t suspend) { static void source_output_moving_cb(pa_source_output *o) { record_stream *s; pa_tagstruct *t; - uint32_t maxlength, fragsize; pa_source_output_assert_ref(o); s = RECORD_STREAM(o->userdata); record_stream_assert_ref(s); - fragsize = (uint32_t) s->fragment_size; - maxlength = (uint32_t) pa_memblockq_get_length(s->memblockq); - - fix_record_buffer_attr_pre(s, TRUE, FALSE, &maxlength, &fragsize); - pa_memblockq_set_maxlength(s->memblockq, maxlength); - fix_record_buffer_attr_post(s, &maxlength, &fragsize); + fix_record_buffer_attr_pre(s); + pa_memblockq_set_maxlength(s->memblockq, s->buffer_attr.maxlength); + pa_memblockq_get_attr(s->memblockq, &s->buffer_attr); + fix_record_buffer_attr_post(s); if (s->connection->version < 12) return; @@ -1710,8 +1701,8 @@ static void source_output_moving_cb(pa_source_output *o) { pa_tagstruct_put_boolean(t, pa_source_get_state(o->source) == PA_SOURCE_SUSPENDED); if (s->connection->version >= 13) { - pa_tagstruct_putu32(t, maxlength); - pa_tagstruct_putu32(t, fragsize); + pa_tagstruct_putu32(t, s->buffer_attr.maxlength); + pa_tagstruct_putu32(t, s->buffer_attr.fragsize); pa_tagstruct_put_usec(t, s->source_latency); } @@ -1744,7 +1735,8 @@ static pa_tagstruct *reply_new(uint32_t tag) { static void command_create_playback_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); playback_stream *s; - uint32_t maxlength, tlength, prebuf, minreq, sink_index, syncid, missing; + uint32_t sink_index, syncid, missing; + pa_buffer_attr attr; const char *name = NULL, *sink_name; pa_sample_spec ss; pa_channel_map map; @@ -1773,6 +1765,7 @@ static void command_create_playback_stream(pa_pdispatch *pd, uint32_t command, u pa_native_connection_assert_ref(c); pa_assert(t); + memset(&attr, 0, sizeof(attr)); if ((c->version < 13 && (pa_tagstruct_gets(t, &name) < 0 || !name)) || pa_tagstruct_get( @@ -1781,11 +1774,11 @@ static void command_create_playback_stream(pa_pdispatch *pd, uint32_t command, u PA_TAG_CHANNEL_MAP, &map, PA_TAG_U32, &sink_index, PA_TAG_STRING, &sink_name, - PA_TAG_U32, &maxlength, + PA_TAG_U32, &attr.maxlength, PA_TAG_BOOLEAN, &corked, - PA_TAG_U32, &tlength, - PA_TAG_U32, &prebuf, - PA_TAG_U32, &minreq, + PA_TAG_U32, &attr.tlength, + PA_TAG_U32, &attr.prebuf, + PA_TAG_U32, &attr.minreq, PA_TAG_U32, &syncid, PA_TAG_CVOLUME, &volume, PA_TAG_INVALID) < 0) { @@ -1896,7 +1889,7 @@ static void command_create_playback_stream(pa_pdispatch *pd, uint32_t command, u * flag. For older versions we synthesize it here */ muted_set = muted_set || muted; - s = playback_stream_new(c, sink, &ss, &map, &maxlength, &tlength, &prebuf, &minreq, volume_set ? &volume : NULL, muted, muted_set, syncid, &missing, flags, p, adjust_latency, early_requests, &ret); + s = playback_stream_new(c, sink, &ss, &map, &attr, volume_set ? &volume : NULL, muted, muted_set, syncid, &missing, flags, p, adjust_latency, early_requests, &ret); pa_proplist_free(p); CHECK_VALIDITY(c->pstream, s, tag, ret); @@ -1912,10 +1905,10 @@ static void command_create_playback_stream(pa_pdispatch *pd, uint32_t command, u if (c->version >= 9) { /* Since 0.9.0 we support sending the buffer metrics back to the client */ - pa_tagstruct_putu32(reply, (uint32_t) maxlength); - pa_tagstruct_putu32(reply, (uint32_t) tlength); - pa_tagstruct_putu32(reply, (uint32_t) prebuf); - pa_tagstruct_putu32(reply, (uint32_t) minreq); + pa_tagstruct_putu32(reply, (uint32_t) s->buffer_attr.maxlength); + pa_tagstruct_putu32(reply, (uint32_t) s->buffer_attr.tlength); + pa_tagstruct_putu32(reply, (uint32_t) s->buffer_attr.prebuf); + pa_tagstruct_putu32(reply, (uint32_t) s->buffer_attr.minreq); } if (c->version >= 12) { @@ -1999,7 +1992,7 @@ static void command_delete_stream(pa_pdispatch *pd, uint32_t command, uint32_t t static void command_create_record_stream(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); record_stream *s; - uint32_t maxlength, fragment_size; + pa_buffer_attr attr; uint32_t source_index; const char *name = NULL, *source_name; pa_sample_spec ss; @@ -2029,14 +2022,16 @@ static void command_create_record_stream(pa_pdispatch *pd, uint32_t command, uin pa_native_connection_assert_ref(c); pa_assert(t); + memset(&attr, 0, sizeof(attr)); + if ((c->version < 13 && (pa_tagstruct_gets(t, &name) < 0 || !name)) || pa_tagstruct_get_sample_spec(t, &ss) < 0 || pa_tagstruct_get_channel_map(t, &map) < 0 || pa_tagstruct_getu32(t, &source_index) < 0 || pa_tagstruct_gets(t, &source_name) < 0 || - pa_tagstruct_getu32(t, &maxlength) < 0 || + pa_tagstruct_getu32(t, &attr.maxlength) < 0 || pa_tagstruct_get_boolean(t, &corked) < 0 || - pa_tagstruct_getu32(t, &fragment_size) < 0) { + pa_tagstruct_getu32(t, &attr.fragsize) < 0) { protocol_error(c); return; } @@ -2146,7 +2141,7 @@ static void command_create_record_stream(pa_pdispatch *pd, uint32_t command, uin (dont_inhibit_auto_suspend ? PA_SOURCE_OUTPUT_DONT_INHIBIT_AUTO_SUSPEND : 0) | (fail_on_suspend ? PA_SOURCE_OUTPUT_FAIL_ON_SUSPEND : 0); - s = record_stream_new(c, source, &ss, &map, peak_detect, &maxlength, &fragment_size, flags, p, adjust_latency, direct_on_input, early_requests, &ret); + s = record_stream_new(c, source, &ss, &map, peak_detect, &attr, flags, p, adjust_latency, direct_on_input, early_requests, &ret); pa_proplist_free(p); CHECK_VALIDITY(c->pstream, s, tag, ret); @@ -2159,8 +2154,8 @@ static void command_create_record_stream(pa_pdispatch *pd, uint32_t command, uin if (c->version >= 9) { /* Since 0.9 we support sending the buffer metrics back to the client */ - pa_tagstruct_putu32(reply, (uint32_t) maxlength); - pa_tagstruct_putu32(reply, (uint32_t) fragment_size); + pa_tagstruct_putu32(reply, (uint32_t) s->buffer_attr.maxlength); + pa_tagstruct_putu32(reply, (uint32_t) s->buffer_attr.fragsize); } if (c->version >= 12) { @@ -3456,12 +3451,14 @@ static void command_flush_record_stream(pa_pdispatch *pd, uint32_t command, uint static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) { pa_native_connection *c = PA_NATIVE_CONNECTION(userdata); uint32_t idx; - uint32_t maxlength, tlength, prebuf, minreq, fragsize; + pa_buffer_attr a; pa_tagstruct *reply; pa_native_connection_assert_ref(c); pa_assert(t); + memset(&a, 0, sizeof(a)); + if (pa_tagstruct_getu32(t, &idx) < 0) { protocol_error(c); return; @@ -3479,10 +3476,10 @@ static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, u if (pa_tagstruct_get( t, - PA_TAG_U32, &maxlength, - PA_TAG_U32, &tlength, - PA_TAG_U32, &prebuf, - PA_TAG_U32, &minreq, + PA_TAG_U32, &a.maxlength, + PA_TAG_U32, &a.tlength, + PA_TAG_U32, &a.prebuf, + PA_TAG_U32, &a.minreq, PA_TAG_INVALID) < 0 || (c->version >= 13 && pa_tagstruct_get_boolean(t, &adjust_latency) < 0) || (c->version >= 14 && pa_tagstruct_get_boolean(t, &early_requests) < 0) || @@ -3491,18 +3488,18 @@ static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, u return; } - fix_playback_buffer_attr_pre(s, adjust_latency, early_requests, &maxlength, &tlength, &prebuf, &minreq); - pa_memblockq_set_maxlength(s->memblockq, maxlength); - pa_memblockq_set_tlength(s->memblockq, tlength); - pa_memblockq_set_prebuf(s->memblockq, prebuf); - pa_memblockq_set_minreq(s->memblockq, minreq); - fix_playback_buffer_attr_post(s, &maxlength, &tlength, &prebuf, &minreq); + s->adjust_latency = adjust_latency; + s->early_requests = early_requests; + s->buffer_attr = a; + + fix_playback_buffer_attr(s); + pa_assert_se(pa_asyncmsgq_send(s->sink_input->sink->asyncmsgq, PA_MSGOBJECT(s->sink_input), SINK_INPUT_MESSAGE_UPDATE_BUFFER_ATTR, NULL, 0, NULL) == 0); reply = reply_new(tag); - pa_tagstruct_putu32(reply, maxlength); - pa_tagstruct_putu32(reply, tlength); - pa_tagstruct_putu32(reply, prebuf); - pa_tagstruct_putu32(reply, minreq); + pa_tagstruct_putu32(reply, s->buffer_attr.maxlength); + pa_tagstruct_putu32(reply, s->buffer_attr.tlength); + pa_tagstruct_putu32(reply, s->buffer_attr.prebuf); + pa_tagstruct_putu32(reply, s->buffer_attr.minreq); if (c->version >= 13) pa_tagstruct_put_usec(reply, s->sink_latency); @@ -3517,8 +3514,8 @@ static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, u if (pa_tagstruct_get( t, - PA_TAG_U32, &maxlength, - PA_TAG_U32, &fragsize, + PA_TAG_U32, &a.maxlength, + PA_TAG_U32, &a.fragsize, PA_TAG_INVALID) < 0 || (c->version >= 13 && pa_tagstruct_get_boolean(t, &adjust_latency) < 0) || (c->version >= 14 && pa_tagstruct_get_boolean(t, &early_requests) < 0) || @@ -3527,13 +3524,18 @@ static void command_set_stream_buffer_attr(pa_pdispatch *pd, uint32_t command, u return; } - fix_record_buffer_attr_pre(s, adjust_latency, early_requests, &maxlength, &fragsize); - pa_memblockq_set_maxlength(s->memblockq, maxlength); - fix_record_buffer_attr_post(s, &maxlength, &fragsize); + s->adjust_latency = adjust_latency; + s->early_requests = early_requests; + s->buffer_attr = a; + + fix_record_buffer_attr_pre(s); + pa_memblockq_set_maxlength(s->memblockq, s->buffer_attr.maxlength); + pa_memblockq_get_attr(s->memblockq, &s->buffer_attr); + fix_record_buffer_attr_post(s); reply = reply_new(tag); - pa_tagstruct_putu32(reply, maxlength); - pa_tagstruct_putu32(reply, fragsize); + pa_tagstruct_putu32(reply, s->buffer_attr.maxlength); + pa_tagstruct_putu32(reply, s->buffer_attr.fragsize); if (c->version >= 13) pa_tagstruct_put_usec(reply, s->source_latency); -- cgit