mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-02 09:01:50 -05:00
pulse: improve handling of buffer attributes
Repect minreq and fragsize for playback and capture. Try to configure tlength at 2 seconds, minreq at around 25ms. Should greatly improve compatibility with audacious and mpv. Count since_underrun correctly. Fixes #278
This commit is contained in:
Wim Taymans
parent
6eb4b552ad
commit
8f75056689
2 changed files with 74 additions and 84 deletions
|
|
@ -401,9 +401,6 @@ struct pa_mem {
|
|||
void *user_data;
|
||||
};
|
||||
|
||||
#define MAX_BUFFERS 64u
|
||||
#define MASK_BUFFERS (MAX_BUFFERS-1)
|
||||
|
||||
struct pa_stream {
|
||||
struct spa_list link;
|
||||
int refcount;
|
||||
|
|
|
|||
|
|
@ -33,14 +33,17 @@
|
|||
#include "core-format.h"
|
||||
#include "internal.h"
|
||||
|
||||
#define MIN_QUEUED 1
|
||||
|
||||
#define MAX_SIZE (4*1024*1024)
|
||||
#define BLOCK_SIZE (64*1024)
|
||||
#define MIN_BUFFERS 8u
|
||||
#define MAX_BUFFERS 64u
|
||||
|
||||
#define MAX_BUFFER_SAMPLES (8*1024u)
|
||||
#define MAX_SIZE (4*1024*1024u)
|
||||
|
||||
static void dump_buffer_attr(pa_stream *s, pa_buffer_attr *attr)
|
||||
{
|
||||
char b[1024];
|
||||
pw_log_debug("stream %p: sample: %s", s, pa_sample_spec_snprint(b, sizeof(b), &s->sample_spec));
|
||||
pw_log_debug("stream %p: stride: %zu", s, pa_frame_size(&s->sample_spec));
|
||||
pw_log_debug("stream %p: maxlength: %u", s, attr->maxlength);
|
||||
pw_log_debug("stream %p: tlength: %u", s, attr->tlength);
|
||||
pw_log_debug("stream %p: minreq: %u", s, attr->minreq);
|
||||
|
|
@ -48,15 +51,6 @@ static void dump_buffer_attr(pa_stream *s, pa_buffer_attr *attr)
|
|||
pw_log_debug("stream %p: fragsize: %u", s, attr->fragsize);
|
||||
}
|
||||
|
||||
static void configure_buffers(pa_stream *s)
|
||||
{
|
||||
s->buffer_attr.maxlength = MAX_SIZE;
|
||||
if (s->buffer_attr.prebuf == (uint32_t)-1)
|
||||
s->buffer_attr.prebuf = s->buffer_attr.minreq;
|
||||
s->buffer_attr.fragsize = s->buffer_attr.minreq;
|
||||
dump_buffer_attr(s, &s->buffer_attr);
|
||||
}
|
||||
|
||||
static void configure_device(pa_stream *s)
|
||||
{
|
||||
struct global *g;
|
||||
|
|
@ -131,7 +125,6 @@ static void stream_state_changed(void *data, enum pw_stream_state old,
|
|||
break;
|
||||
case PW_STREAM_STATE_STREAMING:
|
||||
configure_device(s);
|
||||
configure_buffers(s);
|
||||
pa_stream_set_state(s, PA_STREAM_READY);
|
||||
if (s->suspended) {
|
||||
s->suspended = false;
|
||||
|
|
@ -150,32 +143,19 @@ static const struct spa_pod *get_buffers_param(pa_stream *s, pa_buffer_attr *att
|
|||
blocks = 1;
|
||||
stride = pa_frame_size(&s->sample_spec);
|
||||
|
||||
if (attr->tlength == (uint32_t)-1 || attr->tlength == 0)
|
||||
maxsize = 1024;
|
||||
else
|
||||
maxsize = (attr->tlength / stride);
|
||||
|
||||
if (attr->minreq == (uint32_t)-1 || attr->minreq == 0)
|
||||
size = maxsize;
|
||||
else
|
||||
size = SPA_MIN(attr->minreq / stride, maxsize);
|
||||
|
||||
if (attr->maxlength == (uint32_t)-1)
|
||||
buffers = 3;
|
||||
else
|
||||
buffers = SPA_CLAMP(attr->maxlength / (size * stride), 3u, MAX_BUFFERS);
|
||||
maxsize = attr->tlength;
|
||||
size = attr->minreq;
|
||||
buffers = SPA_CLAMP(maxsize / size, MIN_BUFFERS, MAX_BUFFERS);
|
||||
|
||||
pw_log_debug("stream %p: stride %d maxsize %d size %u buffers %d", s, stride, maxsize,
|
||||
size, buffers);
|
||||
|
||||
param = spa_pod_builder_add_object(b,
|
||||
SPA_TYPE_OBJECT_ParamBuffers, SPA_PARAM_Buffers,
|
||||
SPA_PARAM_BUFFERS_buffers, SPA_POD_CHOICE_RANGE_Int(buffers, buffers, MAX_BUFFERS),
|
||||
SPA_PARAM_BUFFERS_buffers, SPA_POD_CHOICE_RANGE_Int(buffers, MIN_BUFFERS, MAX_BUFFERS),
|
||||
SPA_PARAM_BUFFERS_blocks, SPA_POD_Int(blocks),
|
||||
SPA_PARAM_BUFFERS_size, SPA_POD_CHOICE_RANGE_Int(
|
||||
size * stride,
|
||||
size * stride,
|
||||
maxsize * stride),
|
||||
size, size, maxsize),
|
||||
SPA_PARAM_BUFFERS_stride, SPA_POD_Int(stride),
|
||||
SPA_PARAM_BUFFERS_align, SPA_POD_Int(16));
|
||||
return param;
|
||||
|
|
@ -184,6 +164,7 @@ static const struct spa_pod *get_buffers_param(pa_stream *s, pa_buffer_attr *att
|
|||
static void patch_buffer_attr(pa_stream *s, pa_buffer_attr *attr, pa_stream_flags_t *flags) {
|
||||
const char *e, *str;
|
||||
char buf[100];
|
||||
uint32_t stride;
|
||||
|
||||
pa_assert(s);
|
||||
pa_assert(attr);
|
||||
|
|
@ -228,21 +209,30 @@ static void patch_buffer_attr(pa_stream *s, pa_buffer_attr *attr, pa_stream_flag
|
|||
*flags |= PA_STREAM_ADJUST_LATENCY;
|
||||
}
|
||||
}
|
||||
dump_buffer_attr(s, attr);
|
||||
|
||||
if (attr->maxlength == (uint32_t) -1)
|
||||
stride = pa_frame_size(&s->sample_spec);
|
||||
if (attr->maxlength == (uint32_t) -1 || attr->maxlength == 0)
|
||||
attr->maxlength = MAX_SIZE; /* 4MB is the maximum queue length PulseAudio <= 0.9.9 supported. */
|
||||
|
||||
if (attr->tlength == (uint32_t) -1)
|
||||
attr->tlength = (uint32_t) pa_usec_to_bytes(250*PA_USEC_PER_MSEC, &s->sample_spec); /* 250ms of buffering */
|
||||
if (attr->tlength == (uint32_t) -1 || attr->tlength == 0)
|
||||
attr->tlength = (uint32_t) pa_usec_to_bytes(2*PA_USEC_PER_SEC, &s->sample_spec);
|
||||
attr->tlength = SPA_MIN(attr->tlength, attr->maxlength);
|
||||
|
||||
if (attr->minreq == (uint32_t) -1)
|
||||
attr->minreq = attr->tlength; /* Ask for more data when there are only 200ms left in the playback buffer */
|
||||
if (attr->minreq == (uint32_t) -1 || attr->minreq == 0)
|
||||
attr->minreq = pa_usec_to_bytes(25*PA_USEC_PER_MSEC, &s->sample_spec);
|
||||
attr->minreq = SPA_MIN(attr->minreq, attr->tlength / MIN_BUFFERS);
|
||||
attr->minreq = SPA_MAX(attr->minreq, stride);
|
||||
|
||||
if (attr->prebuf == (uint32_t) -1)
|
||||
attr->prebuf = attr->tlength; /* Start to play only when the playback is fully filled up once */
|
||||
if (attr->fragsize == (uint32_t) -1 || attr->fragsize == 0)
|
||||
attr->fragsize = pa_usec_to_bytes(25*PA_USEC_PER_MSEC, &s->sample_spec);
|
||||
attr->fragsize = SPA_MIN(attr->fragsize, attr->tlength / MIN_BUFFERS);
|
||||
attr->fragsize = SPA_MAX(attr->fragsize, stride);
|
||||
|
||||
if (attr->fragsize == (uint32_t) -1)
|
||||
attr->fragsize = attr->tlength; /* Pass data to the app only when the buffer is filled up once */
|
||||
if (attr->prebuf == (uint32_t) -1 || attr->prebuf == 0)
|
||||
attr->prebuf = attr->tlength - attr->minreq;
|
||||
attr->prebuf = SPA_MIN(attr->prebuf, attr->tlength - attr->minreq);
|
||||
attr->prebuf = SPA_MAX(attr->prebuf, stride);
|
||||
|
||||
dump_buffer_attr(s, attr);
|
||||
}
|
||||
|
|
@ -355,7 +345,6 @@ static void update_timing_info(pa_stream *s)
|
|||
ti->configured_source_usec = delay;
|
||||
ti->write_index = pos;
|
||||
}
|
||||
ti->since_underrun = 0;
|
||||
s->timing_info_valid = true;
|
||||
s->queued_bytes = pwt.queued;
|
||||
|
||||
|
|
@ -449,20 +438,25 @@ static void stream_process(void *data)
|
|||
|
||||
if (s->direction == PA_STREAM_PLAYBACK) {
|
||||
pa_timing_info *i = &s->timing_info;
|
||||
uint64_t queued, writable;
|
||||
uint64_t queued, writable, required;
|
||||
|
||||
queue_output(s);
|
||||
|
||||
queued = i->write_index - SPA_MIN(i->read_index, i->write_index);
|
||||
writable = s->maxblock - SPA_MIN(queued, s->maxblock);
|
||||
required = SPA_MIN(s->maxblock, s->buffer_attr.minreq);
|
||||
|
||||
if (s->write_callback && s->state == PA_STREAM_READY && writable > 0)
|
||||
if (s->write_callback && s->state == PA_STREAM_READY && writable >= required)
|
||||
s->write_callback(s, writable, s->write_userdata);
|
||||
}
|
||||
else {
|
||||
uint64_t required;
|
||||
|
||||
pull_input(s);
|
||||
|
||||
if (s->read_callback && s->ready_bytes > 0 && s->state == PA_STREAM_READY)
|
||||
required = SPA_MIN(s->maxblock, s->buffer_attr.fragsize);
|
||||
|
||||
if (s->read_callback && s->ready_bytes > required && s->state == PA_STREAM_READY)
|
||||
s->read_callback(s, s->ready_bytes, s->read_userdata);
|
||||
}
|
||||
}
|
||||
|
|
@ -554,23 +548,6 @@ static pa_stream* stream_new(pa_context *c, const char *name,
|
|||
s->direct_on_input = PA_INVALID_INDEX;
|
||||
|
||||
s->stream_index = PA_INVALID_INDEX;
|
||||
|
||||
s->buffer_attr.maxlength = (uint32_t) -1;
|
||||
if (ss)
|
||||
s->buffer_attr.tlength = (uint32_t) pa_usec_to_bytes(250*PA_USEC_PER_MSEC, ss); /* 250ms of buffering */
|
||||
else {
|
||||
/* FIXME: We assume a worst-case compressed format corresponding to
|
||||
* 48000 Hz, 2 ch, S16 PCM, but this can very well be incorrect */
|
||||
pa_sample_spec tmp_ss = {
|
||||
.format = PA_SAMPLE_S16NE,
|
||||
.rate = 48000,
|
||||
.channels = 2,
|
||||
};
|
||||
s->buffer_attr.tlength = (uint32_t) pa_usec_to_bytes(250*PA_USEC_PER_MSEC, &tmp_ss); /* 250ms of buffering */
|
||||
}
|
||||
s->buffer_attr.minreq = (uint32_t) -1;
|
||||
s->buffer_attr.prebuf = (uint32_t) -1;
|
||||
s->buffer_attr.fragsize = (uint32_t) -1;
|
||||
s->maxblock = INT_MAX;
|
||||
|
||||
s->device_index = PA_INVALID_INDEX;
|
||||
|
|
@ -802,10 +779,9 @@ static int create_stream(pa_stream_direction_t direction,
|
|||
int res;
|
||||
enum pw_stream_flags fl;
|
||||
const struct spa_pod *params[16];
|
||||
uint32_t i, n_params = 0;
|
||||
uint32_t i, n_params = 0, stride;
|
||||
uint8_t buffer[4096];
|
||||
struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer));
|
||||
uint32_t sample_rate = 0, stride = 0, latency_num;
|
||||
const char *str;
|
||||
uint32_t devid, n_items;
|
||||
struct global *g;
|
||||
|
|
@ -886,16 +862,18 @@ static int create_stream(pa_stream_direction_t direction,
|
|||
monitor = (flags & PA_STREAM_PEAK_DETECT);
|
||||
no_remix = (flags & PA_STREAM_NO_REMIX_CHANNELS);
|
||||
|
||||
if (attr)
|
||||
s->buffer_attr = *attr;
|
||||
|
||||
if (pa_sample_spec_valid(&s->sample_spec)) {
|
||||
params[n_params++] = pa_format_build_param(&b, SPA_PARAM_EnumFormat,
|
||||
&s->sample_spec, &s->channel_map);
|
||||
sample_rate = s->sample_spec.rate;
|
||||
stride = pa_frame_size(&s->sample_spec);
|
||||
}
|
||||
else {
|
||||
pa_sample_spec ss;
|
||||
pa_channel_map chmap;
|
||||
int i;
|
||||
uint32_t sample_rate = 0;
|
||||
|
||||
for (i = 0; i < s->n_formats; i++) {
|
||||
if ((res = pa_format_info_to_sample_spec(s->req_formats[i], &ss, NULL)) < 0) {
|
||||
|
|
@ -911,17 +889,18 @@ static int create_stream(pa_stream_direction_t direction,
|
|||
&ss, &chmap);
|
||||
if (ss.rate > sample_rate) {
|
||||
sample_rate = ss.rate;
|
||||
stride = pa_frame_size(&ss);
|
||||
}
|
||||
s->sample_spec = ss;
|
||||
}
|
||||
}
|
||||
if (sample_rate == 0) {
|
||||
sample_rate = 48000;
|
||||
stride = sizeof(int16_t) * 2;
|
||||
s->sample_spec.format = PA_SAMPLE_S16NE;
|
||||
s->sample_spec.rate = 48000;
|
||||
s->sample_spec.channels = 2;
|
||||
}
|
||||
}
|
||||
if (!pa_sample_spec_valid(&s->sample_spec))
|
||||
return -EINVAL;
|
||||
|
||||
if (attr)
|
||||
s->buffer_attr = *attr;
|
||||
patch_buffer_attr(s, &s->buffer_attr, &flags);
|
||||
|
||||
if (direction == PA_STREAM_RECORD)
|
||||
|
|
@ -972,8 +951,8 @@ static int create_stream(pa_stream_direction_t direction,
|
|||
else
|
||||
str = "Music";
|
||||
|
||||
latency_num = s->buffer_attr.minreq / stride;
|
||||
sprintf(latency, "%u/%u", SPA_MAX(latency_num, 1u), sample_rate);
|
||||
stride = pa_frame_size(&s->sample_spec);
|
||||
sprintf(latency, "%u/%u", s->buffer_attr.minreq / stride, s->sample_spec.rate);
|
||||
n_items = 0;
|
||||
items[n_items++] = SPA_DICT_ITEM_INIT(PW_KEY_NODE_LATENCY, latency);
|
||||
items[n_items++] = SPA_DICT_ITEM_INIT(PW_KEY_MEDIA_TYPE, "Audio");
|
||||
|
|
@ -1180,6 +1159,7 @@ int pa_stream_write_ext_free(pa_stream *s,
|
|||
free_cb(free_cb_data);
|
||||
|
||||
s->timing_info.write_index += nbytes;
|
||||
s->timing_info.since_underrun += nbytes;
|
||||
pw_log_trace("stream %p: written %zd bytes", s, nbytes);
|
||||
|
||||
return 0;
|
||||
|
|
@ -1253,7 +1233,7 @@ SPA_EXPORT
|
|||
size_t pa_stream_writable_size(PA_CONST pa_stream *s)
|
||||
{
|
||||
const pa_timing_info *i;
|
||||
uint64_t now, then, queued, writable, elapsed;
|
||||
uint64_t now, then, queued, writable, elapsed, required;
|
||||
struct timespec ts;
|
||||
|
||||
spa_assert(s);
|
||||
|
|
@ -1279,13 +1259,21 @@ size_t pa_stream_writable_size(PA_CONST pa_stream *s)
|
|||
queued -= SPA_MIN(queued, elapsed);
|
||||
|
||||
writable = s->maxblock - SPA_MIN(queued, s->maxblock);
|
||||
pw_log_trace("stream %p: %"PRIu64, s, writable);
|
||||
required = SPA_MIN(s->maxblock, s->buffer_attr.minreq);
|
||||
|
||||
pw_log_debug("stream %p: %"PRIu64" minreq:%u maxblock:%zu", s,
|
||||
writable, s->buffer_attr.minreq, s->maxblock);
|
||||
if (writable < required)
|
||||
writable = 0;
|
||||
|
||||
return writable;
|
||||
}
|
||||
|
||||
SPA_EXPORT
|
||||
size_t pa_stream_readable_size(PA_CONST pa_stream *s)
|
||||
{
|
||||
uint64_t readable, required;
|
||||
|
||||
spa_assert(s);
|
||||
spa_assert(s->refcount >= 1);
|
||||
|
||||
|
|
@ -1294,8 +1282,13 @@ size_t pa_stream_readable_size(PA_CONST pa_stream *s)
|
|||
PA_CHECK_VALIDITY_RETURN_ANY(s->context, s->direction == PA_STREAM_RECORD,
|
||||
PA_ERR_BADSTATE, (size_t) -1);
|
||||
|
||||
pw_log_trace("stream %p: %zd", s, s->ready_bytes);
|
||||
return s->ready_bytes;
|
||||
readable = s->ready_bytes;
|
||||
required = SPA_MIN(s->maxblock, s->buffer_attr.fragsize);
|
||||
pw_log_trace("stream %p: %zd %zd", s, readable, required);
|
||||
if (readable < required)
|
||||
readable = 0;
|
||||
|
||||
return readable;
|
||||
}
|
||||
|
||||
struct success_ack {
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue