mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
pulse-server: Improve timing reporting
Use the same logic as pulseaudio to improve the timing reporting and improve compatibility with vlc.
This commit is contained in:
Wim Taymans
parent
18c57efb39
commit
8abb648ec3
1 changed files with 132 additions and 149 deletions
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@ -148,7 +148,9 @@ struct stream {
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uint64_t ticks_base;
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struct timeval timestamp;
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int64_t delay;
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uint32_t pending;
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uint32_t missing;
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uint32_t requested;
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struct sample_spec ss;
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struct channel_map map;
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@ -165,6 +167,7 @@ struct stream {
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unsigned int adjust_latency:1;
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unsigned int have_time:1;
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unsigned int is_underrun:1;
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unsigned int in_prebuf:1;
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};
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struct server {
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@ -723,8 +726,16 @@ static int do_subscribe(struct client *client, uint32_t command, uint32_t tag, s
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static void stream_flush(struct stream *stream)
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{
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spa_ringbuffer_init(&stream->ring);
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stream->write_index = stream->read_index = 0;
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uint32_t old;
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old = stream->ring.writeindex;
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stream->ring.writeindex = stream->ring.readindex;
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stream->missing += (old - stream->ring.writeindex);
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stream->write_index = stream->read_index = stream->ring.writeindex;
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if (stream->attr.prebuf > 0)
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stream->in_prebuf = true;
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stream->playing_for = 0;
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stream->underrun_for = 0;
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stream->have_time = false;
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@ -746,80 +757,33 @@ static void stream_free(struct stream *stream)
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free(stream);
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}
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static inline uint32_t queued_size(const struct stream *s, uint64_t elapsed)
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static bool stream_prebuf_active(struct stream *stream)
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{
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uint64_t queued;
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queued = s->write_index - SPA_MIN(s->read_index, s->write_index);
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queued -= SPA_MIN(queued, elapsed);
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return queued;
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}
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uint32_t index;
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int32_t avail;
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static inline uint32_t target_queue(const struct stream *s)
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{
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return s->attr.tlength;
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}
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static inline uint32_t wanted_size(const struct stream *s, uint32_t queued, uint32_t target)
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{
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return target - SPA_MIN(queued, target);
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}
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static inline uint32_t required_size(const struct stream *s)
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{
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return s->attr.minreq;
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}
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static inline uint32_t writable_size(const struct stream *s, uint64_t elapsed)
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{
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uint32_t queued, target, wanted, required;
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queued = queued_size(s, elapsed);
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target = target_queue(s);
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target -= SPA_MIN(target, s->pending);
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wanted = wanted_size(s, queued, target);
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required = required_size(s);
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pw_log_trace("stream %p, queued:%u target:%u wanted:%u required:%u",
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s, queued, target, wanted, required);
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if (s->adjust_latency)
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if (queued >= wanted)
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wanted = 0;
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if (wanted < required)
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wanted = 0;
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return wanted;
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}
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static void update_timing_info(struct stream *stream)
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{
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struct pw_time pwt;
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int64_t delay, pos;
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pw_stream_get_time(stream->stream, &pwt);
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stream->timestamp.tv_sec = pwt.now / SPA_NSEC_PER_SEC;
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stream->timestamp.tv_usec = (pwt.now % SPA_NSEC_PER_SEC) / SPA_NSEC_PER_USEC;
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if (pwt.rate.denom > 0) {
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uint64_t ticks = pwt.ticks;
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if (!stream->have_time)
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stream->ticks_base = ticks;
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if (ticks > stream->ticks_base)
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pos = ((ticks - stream->ticks_base) * stream->ss.rate / pwt.rate.denom) * stream->frame_size;
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avail = spa_ringbuffer_get_write_index(&stream->ring, &index);
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if (stream->in_prebuf)
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return avail < (int32_t) stream->attr.prebuf;
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else
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pos = 0;
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delay = pwt.delay * SPA_USEC_PER_SEC / pwt.rate.denom;
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stream->have_time = true;
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} else {
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pos = delay = 0;
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stream->have_time = false;
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return stream->attr.prebuf > 0 && avail >= 0;
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}
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if (stream->direction == PW_DIRECTION_OUTPUT)
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stream->read_index = pos;
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else
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stream->write_index = pos;
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stream->delay = delay;
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static uint32_t stream_pop_missing(struct stream *stream)
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{
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uint32_t missing;
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if (stream->missing <= 0)
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return 0;
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if (stream->missing < stream->attr.minreq &&
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!stream_prebuf_active(stream))
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return 0;
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missing = stream->missing;
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stream->requested += missing;
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stream->missing = 0;
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return missing;
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}
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static int send_command_request(struct stream *stream)
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@ -828,9 +792,7 @@ static int send_command_request(struct stream *stream)
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struct message *msg;
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uint32_t size;
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update_timing_info(stream);
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size = writable_size(stream, 0);
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size = stream_pop_missing(stream);
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pw_log_debug(NAME" %p: REQUEST channel:%d %u", stream, stream->channel, size);
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if (size == 0)
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@ -844,8 +806,6 @@ static int send_command_request(struct stream *stream)
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TAG_U32, size,
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TAG_INVALID);
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stream->pending += size;
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return send_message(client, msg);
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}
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@ -876,6 +836,8 @@ static void fix_playback_buffer_attr(struct stream *s, struct buffer_attr *attr)
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attr->tlength -= attr->tlength % frame_size;
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attr->tlength = SPA_MAX(attr->tlength, frame_size);
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s->missing = attr->tlength;
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if (attr->minreq == (uint32_t) -1) {
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uint32_t process = usec_to_bytes_round_up(DEFAULT_PROCESS_MSEC*1000, &s->ss);
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/* With low-latency, tlength/4 gives a decent default in all of traditional,
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@ -917,22 +879,31 @@ static int reply_create_playback_stream(struct stream *stream)
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char latency[32];
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struct pw_manager_object *peer;
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const char *peer_name;
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bool peer_suspended;
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struct spa_fraction lat;
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uint64_t lat_usec;
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fix_playback_buffer_attr(stream, &stream->attr);
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stream->buffer = calloc(1, stream->attr.maxlength);
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if (stream->buffer == NULL)
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return -errno;
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spa_ringbuffer_init(&stream->ring);
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pw_log_info(NAME" %p: reply CREATE_PLAYBACK_STREAM tag:%u", stream,
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stream->create_tag);
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snprintf(latency, sizeof(latency)-1, "%u/%u",
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stream->attr.minreq * 2 / stream->frame_size,
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stream->ss.rate);
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lat.num = stream->attr.minreq * 2 / stream->frame_size;
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lat.denom = stream->ss.rate;
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lat_usec = lat.num * SPA_USEC_PER_SEC / lat.denom;
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snprintf(latency, sizeof(latency)-1, "%u/%u", lat.num, lat.denom);
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items[0] = SPA_DICT_ITEM_INIT(PW_KEY_NODE_LATENCY, latency);
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pw_stream_update_properties(stream->stream,
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&SPA_DICT_INIT(items, 1));
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size = writable_size(stream, 0);
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size = stream_pop_missing(stream);
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reply = reply_new(client, stream->create_tag);
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message_put(reply,
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@ -941,18 +912,13 @@ static int reply_create_playback_stream(struct stream *stream)
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TAG_U32, size, /* missing/requested bytes */
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TAG_INVALID);
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stream->pending = size;
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peer = find_linked(manager, stream->id, stream->direction);
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if (peer && is_sink(peer)) {
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struct pw_node_info *info = peer->info;
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peer_id = peer->id;
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peer_name = pw_properties_get(peer->props, PW_KEY_NODE_NAME);
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peer_suspended = info->state == PW_NODE_STATE_SUSPENDED;
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} else {
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peer_id = SPA_ID_INVALID;
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peer_name = NULL;
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peer_suspended = false;
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}
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if (client->version >= 9) {
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@ -969,12 +935,12 @@ static int reply_create_playback_stream(struct stream *stream)
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TAG_CHANNEL_MAP, &stream->map,
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TAG_U32, peer_id, /* sink index */
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TAG_STRING, peer_name, /* sink name */
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TAG_BOOLEAN, peer_suspended, /* sink suspended state */
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TAG_BOOLEAN, false, /* sink suspended state */
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TAG_INVALID);
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}
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if (client->version >= 13) {
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message_put(reply,
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TAG_USEC, 0ULL, /* sink configured latency */
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TAG_USEC, lat_usec, /* sink configured latency */
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TAG_INVALID);
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}
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if (client->version >= 21) {
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@ -1027,13 +993,22 @@ static int reply_create_record_stream(struct stream *stream)
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struct pw_manager_object *peer;
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const char *peer_name, *name;
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uint32_t peer_id;
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bool peer_suspended;
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struct spa_fraction lat;
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uint64_t lat_usec;
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fix_record_buffer_attr(stream, &stream->attr);
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snprintf(latency, sizeof(latency)-1, "%u/%u",
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stream->attr.fragsize / stream->frame_size,
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stream->ss.rate);
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stream->buffer = calloc(1, stream->attr.maxlength);
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if (stream->buffer == NULL)
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return -errno;
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spa_ringbuffer_init(&stream->ring);
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lat.num = stream->attr.fragsize / stream->frame_size,
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lat.denom = stream->ss.rate;
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lat_usec = lat.num * SPA_USEC_PER_SEC / lat.denom;
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snprintf(latency, sizeof(latency)-1, "%u/%u", lat.num, lat.denom);
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items[0] = SPA_DICT_ITEM_INIT(PW_KEY_NODE_LATENCY, latency);
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pw_stream_update_properties(stream->stream,
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@ -1049,7 +1024,6 @@ static int reply_create_record_stream(struct stream *stream)
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if (peer && is_sink_input(peer))
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peer = find_linked(manager, peer->id, PW_DIRECTION_OUTPUT);
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if (peer && is_source_or_monitor(peer)) {
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struct pw_node_info *info = peer->info;
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name = pw_properties_get(peer->props, PW_KEY_NODE_NAME);
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if (!is_source(peer)) {
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size_t len = (name ? strlen(name) : 5) + 10;
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@ -1060,11 +1034,9 @@ static int reply_create_record_stream(struct stream *stream)
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peer_id = peer->id;
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peer_name = name;
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}
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peer_suspended = info->state == PW_NODE_STATE_SUSPENDED;
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} else {
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peer_id = SPA_ID_INVALID;
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peer_name = NULL;
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peer_suspended = false;
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}
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if (client->version >= 9) {
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@ -1079,12 +1051,12 @@ static int reply_create_record_stream(struct stream *stream)
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TAG_CHANNEL_MAP, &stream->map,
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TAG_U32, peer_id, /* source index */
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TAG_STRING, peer_name, /* source name */
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TAG_BOOLEAN, peer_suspended, /* source suspended state */
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TAG_BOOLEAN, false, /* source suspended state */
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TAG_INVALID);
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}
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if (client->version >= 13) {
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message_put(reply,
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TAG_USEC, 0ULL, /* source configured latency */
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TAG_USEC, lat_usec, /* source configured latency */
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TAG_INVALID);
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}
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if (client->version >= 22) {
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@ -1208,10 +1180,11 @@ static void stream_param_changed(void *data, uint32_t id, const struct spa_pod *
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}
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struct process_data {
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uint32_t underrun_for;
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uint32_t playing_for;
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struct pw_time pwt;
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uint32_t read_index;
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uint32_t write_index;
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uint32_t underrun_for;
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uint32_t playing_for;
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unsigned int underrun:1;
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};
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@ -1222,8 +1195,20 @@ do_process_done(struct spa_loop *loop,
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struct stream *stream = user_data;
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struct client *client = stream->client;
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const struct process_data *pd = data;
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uint32_t index;
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int32_t avail;
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stream->timestamp.tv_sec = pd->pwt.now / SPA_NSEC_PER_SEC;
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stream->timestamp.tv_usec = (pd->pwt.now % SPA_NSEC_PER_SEC) / SPA_NSEC_PER_USEC;
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if (pd->pwt.rate.denom > 0) {
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stream->delay = pd->pwt.delay * SPA_USEC_PER_SEC / pd->pwt.rate.denom;
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stream->delay += pd->pwt.queued * SPA_USEC_PER_SEC / stream->ss.rate;
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} else {
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stream->delay = 0;
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}
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if (stream->direction == PW_DIRECTION_OUTPUT) {
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stream->read_index = pd->read_index;
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if (stream->corked) {
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stream->underrun_for += pd->underrun_for;
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stream->playing_for = 0;
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@ -1238,41 +1223,47 @@ do_process_done(struct spa_loop *loop,
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else
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send_stream_started(stream);
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}
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stream->missing += pd->playing_for;
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stream->playing_for += pd->playing_for;
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stream->underrun_for += pd->underrun_for;
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stream->pending -= SPA_MIN(stream->pending, pd->underrun_for);
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send_command_request(stream);
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} else {
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uint32_t index;
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int32_t avail = spa_ringbuffer_get_read_index(&stream->ring, &index);
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stream->write_index = pd->write_index;
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avail = spa_ringbuffer_get_read_index(&stream->ring, &index);
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if (avail <= 0) {
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/* underrun */
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if (!stream->is_underrun) {
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stream->is_underrun = true;
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send_underflow(stream, index);
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}
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} else if (avail > MAXLENGTH) {
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} else if (avail > (int32_t)stream->attr.maxlength) {
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/* overrun */
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send_overflow(stream);
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} else {
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struct message *msg;
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msg = message_alloc(client, stream->channel, avail);
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if (msg != NULL) {
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if (msg == NULL)
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return -errno;
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spa_ringbuffer_read_data(&stream->ring,
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stream->buffer, MAXLENGTH,
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index % MAXLENGTH,
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stream->buffer, stream->attr.maxlength,
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index % stream->attr.maxlength,
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msg->data, avail);
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spa_ringbuffer_read_update(&stream->ring,
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index + avail);
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send_message(client, msg);
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}
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stream->read_index = index + avail;
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spa_ringbuffer_read_update(&stream->ring, stream->read_index);
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stream->is_underrun = false;
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send_message(client, msg);
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}
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}
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return 0;
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}
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static void stream_process(void *data)
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{
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struct stream *stream = data;
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@ -1294,6 +1285,7 @@ static void stream_process(void *data)
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return;
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spa_zero(pd);
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if (stream->direction == PW_DIRECTION_OUTPUT) {
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int32_t avail = spa_ringbuffer_get_read_index(&stream->ring, &pd.read_index);
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if (avail <= 0) {
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@ -1307,7 +1299,7 @@ static void stream_process(void *data)
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pd.underrun_for = size;
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pd.underrun = true;
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}
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} else if (avail > MAXLENGTH) {
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} else if (avail > (int32_t)stream->attr.maxlength) {
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/* overrun, handled by other side */
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pw_log_warn(NAME" %p: overrun", stream);
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size = buf->datas[0].maxsize;
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@ -1316,11 +1308,12 @@ static void stream_process(void *data)
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size = SPA_MIN(buf->datas[0].maxsize, (uint32_t)avail);
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spa_ringbuffer_read_data(&stream->ring,
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stream->buffer, MAXLENGTH,
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pd.read_index % MAXLENGTH,
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stream->buffer, stream->attr.maxlength,
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pd.read_index % stream->attr.maxlength,
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p, size);
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spa_ringbuffer_read_update(&stream->ring,
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pd.read_index + size);
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pd.read_index += size;
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spa_ringbuffer_read_update(&stream->ring, pd.read_index);
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pd.playing_for = size;
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pd.underrun = false;
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@ -1328,30 +1321,34 @@ static void stream_process(void *data)
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buf->datas[0].chunk->offset = 0;
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buf->datas[0].chunk->stride = stream->frame_size;
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buf->datas[0].chunk->size = size;
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buffer->size = size / stream->frame_size;
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} else {
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int32_t filled = spa_ringbuffer_get_write_index(&stream->ring, &pd.write_index);
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if (filled < 0) {
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/* underrun */
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||||
pw_log_warn(NAME" %p: underrun", stream);
|
||||
} else if (filled > MAXLENGTH) {
|
||||
} else if (filled > (int32_t)stream->attr.maxlength) {
|
||||
/* overrun */
|
||||
pw_log_warn(NAME" %p: overrun", stream);
|
||||
} else {
|
||||
uint32_t avail = MAXLENGTH - filled;
|
||||
uint32_t avail = stream->attr.maxlength - filled;
|
||||
size = SPA_MIN(buf->datas[0].chunk->size, avail);
|
||||
|
||||
spa_ringbuffer_write_data(&stream->ring,
|
||||
stream->buffer, MAXLENGTH,
|
||||
pd.write_index % MAXLENGTH,
|
||||
stream->buffer, stream->attr.maxlength,
|
||||
pd.write_index % stream->attr.maxlength,
|
||||
SPA_MEMBER(p, buf->datas[0].chunk->offset, void),
|
||||
size);
|
||||
spa_ringbuffer_write_update(&stream->ring,
|
||||
pd.write_index + size);
|
||||
}
|
||||
}
|
||||
|
||||
pd.write_index += size;
|
||||
spa_ringbuffer_write_update(&stream->ring,
|
||||
pd.write_index);
|
||||
}
|
||||
}
|
||||
pw_stream_queue_buffer(stream->stream, buffer);
|
||||
|
||||
pw_stream_get_time(stream->stream, &pd.pwt);
|
||||
|
||||
pw_loop_invoke(impl->loop,
|
||||
do_process_done, 1, &pd, sizeof(pd), false, stream);
|
||||
}
|
||||
|
|
@ -1561,12 +1558,6 @@ static int do_create_playback_stream(struct client *client, uint32_t command, ui
|
|||
if (stream->channel == SPA_ID_INVALID)
|
||||
goto error_errno;
|
||||
|
||||
stream->buffer = calloc(1, MAXLENGTH);
|
||||
if (stream->buffer == NULL)
|
||||
goto error_errno;
|
||||
|
||||
spa_ringbuffer_init(&stream->ring);
|
||||
|
||||
stream->direction = PW_DIRECTION_OUTPUT;
|
||||
stream->create_tag = tag;
|
||||
stream->ss = ss;
|
||||
|
|
@ -1781,7 +1772,7 @@ static int do_create_record_stream(struct client *client, uint32_t command, uint
|
|||
if (stream->channel == SPA_ID_INVALID)
|
||||
goto error_errno;
|
||||
|
||||
stream->buffer = calloc(1, MAXLENGTH);
|
||||
stream->buffer = calloc(1, stream->attr.maxlength);
|
||||
if (stream->buffer == NULL)
|
||||
goto error_errno;
|
||||
|
||||
|
|
@ -1906,8 +1897,6 @@ static int do_get_playback_latency(struct client *client, uint32_t command, uint
|
|||
if (stream == NULL)
|
||||
return -EINVAL;
|
||||
|
||||
update_timing_info(stream);
|
||||
|
||||
pw_log_debug("read:%"PRIi64" write:%"PRIi64" queued:%"PRIi64" delay:%"PRIi64,
|
||||
stream->read_index, stream->write_index,
|
||||
stream->write_index - stream->read_index, stream->delay);
|
||||
|
|
@ -1953,8 +1942,6 @@ static int do_get_record_latency(struct client *client, uint32_t command, uint32
|
|||
if (stream == NULL)
|
||||
return -EINVAL;
|
||||
|
||||
update_timing_info(stream);
|
||||
|
||||
reply = reply_new(client, tag);
|
||||
message_put(reply,
|
||||
TAG_USEC, 0, /* monitor latency */
|
||||
|
|
@ -4069,7 +4056,7 @@ static int handle_memblock(struct client *client, struct message *msg)
|
|||
uint32_t channel, flags, index;
|
||||
int64_t offset;
|
||||
int32_t filled;
|
||||
int res;
|
||||
int res = 0;
|
||||
|
||||
channel = ntohl(client->desc.channel);
|
||||
offset = (int64_t) (
|
||||
|
|
@ -4087,29 +4074,25 @@ static int handle_memblock(struct client *client, struct message *msg)
|
|||
goto finish;
|
||||
}
|
||||
|
||||
|
||||
filled = spa_ringbuffer_get_write_index(&stream->ring, &index);
|
||||
pw_log_debug("new block %p %p/%u filled:%d index:%d", msg,
|
||||
msg->data, msg->length, filled, index);
|
||||
|
||||
if (filled < 0) {
|
||||
/* underrun, reported on reader side */
|
||||
} else if (filled + msg->length > MAXLENGTH) {
|
||||
} else if (filled + msg->length > stream->attr.maxlength) {
|
||||
/* overrun */
|
||||
send_overflow(stream);
|
||||
stream->write_index += msg->length;
|
||||
stream->pending -= SPA_MIN(stream->pending, msg->length);
|
||||
} else {
|
||||
spa_ringbuffer_write_data(&stream->ring,
|
||||
stream->buffer, MAXLENGTH,
|
||||
index % MAXLENGTH,
|
||||
stream->buffer, stream->attr.maxlength,
|
||||
index % stream->attr.maxlength,
|
||||
msg->data, msg->length);
|
||||
spa_ringbuffer_write_update(&stream->ring,
|
||||
index + msg->length);
|
||||
stream->write_index += msg->length;
|
||||
stream->pending -= SPA_MIN(stream->pending, msg->length);
|
||||
|
||||
}
|
||||
res = 0;
|
||||
stream->write_index = index + msg->length;
|
||||
spa_ringbuffer_write_update(&stream->ring, stream->write_index);
|
||||
stream->requested -= msg->length;
|
||||
finish:
|
||||
message_free(client, msg, false, false);
|
||||
return res;
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue