alsa: work on ringbuffer data transport

Add ringbuffer test
This commit is contained in:
Wim Taymans 2017-04-20 19:25:14 +02:00
parent 0b508db9fc
commit f0aafb5b51
9 changed files with 589 additions and 113 deletions

View file

@ -82,6 +82,8 @@ close_request (AsyncPending *p)
DBusMessage *m = NULL;
ModuleImpl *impl = p->info->impl;
pinos_log_debug ("pending %p: handle %s", p, p->handle);
if (!(m = dbus_message_new_method_call ("org.freedesktop.portal.Request",
p->handle,
"org.freedesktop.portal.Request",
@ -116,6 +118,7 @@ free_pending (PinosAccessData *d)
if (!p->handled)
close_request(p);
pinos_log_debug ("pending %p: handle %s", p, p->handle);
spa_list_remove (&p->link);
free (p->handle);
}
@ -134,6 +137,7 @@ add_pending (ClientInfo *cinfo, const char *handle, PinosAccessData *access_data
p->handle = strdup (handle);
p->access_data = ad;
p->handled = false;
pinos_log_debug ("pending %p: handle %s", p, handle);
spa_list_insert (cinfo->async_pending.prev, &p->link);
}

View file

@ -160,7 +160,7 @@ spa_ringbuffer_read_advance (SpaRingbuffer *rbuf,
*
* Returns: the fill level of @rbuf. values < 0 mean
* there was an underrun. values > rbuf->size means there
* was an overrun. Subsctract from the buffer size to get
* was an overrun. Subtract from the buffer size to get
* the number of bytes available for writing.
*/
static inline int32_t

View file

@ -266,7 +266,6 @@ spa_alsa_clear_buffers (SpaALSASink *this)
if (this->n_buffers > 0) {
spa_list_init (&this->ready);
this->n_buffers = 0;
this->ringbuffer = NULL;
}
return SPA_RESULT_OK;
}
@ -450,8 +449,6 @@ spa_alsa_sink_node_port_use_buffers (SpaNode *node,
b->h = spa_buffer_find_meta (b->outbuf, SPA_META_TYPE_HEADER);
b->rb = spa_buffer_find_meta (b->outbuf, SPA_META_TYPE_RINGBUFFER);
if (b->rb)
this->ringbuffer = b;
switch (buffers[i]->datas[0].type) {
case SPA_DATA_TYPE_MEMFD:
@ -583,13 +580,10 @@ spa_alsa_sink_node_process_input (SpaNode *node)
input->status = SPA_RESULT_INVALID_BUFFER_ID;
return SPA_RESULT_ERROR;
}
if (this->ringbuffer) {
this->ringbuffer->outstanding = true;
this->ringbuffer = b;
} else {
spa_list_insert (this->ready.prev, &b->link);
spa_log_trace (this->log, "alsa-sink %p: queue buffer %u", this, input->buffer_id);
}
spa_log_trace (this->log, "alsa-sink %p: queue buffer %u", this, input->buffer_id);
spa_list_insert (this->ready.prev, &b->link);
b->outstanding = false;
input->buffer_id = SPA_ID_INVALID;
input->status = SPA_RESULT_OK;

View file

@ -325,11 +325,11 @@ set_swparams (SpaALSAState *state)
return 0;
}
static snd_pcm_uframes_t
pull_frames_queue (SpaALSAState *state,
const snd_pcm_channel_area_t *my_areas,
snd_pcm_uframes_t offset,
snd_pcm_uframes_t frames)
static inline snd_pcm_uframes_t
pull_frames (SpaALSAState *state,
const snd_pcm_channel_area_t *my_areas,
snd_pcm_uframes_t offset,
snd_pcm_uframes_t frames)
{
snd_pcm_uframes_t total_frames = 0, to_write = frames;
SpaPortIO *io = state->io;
@ -348,22 +348,46 @@ pull_frames_queue (SpaALSAState *state,
size_t n_bytes, n_frames, size;
off_t offs;
SpaALSABuffer *b;
bool reuse = false;
SpaData *d;
b = spa_list_first (&state->ready, SpaALSABuffer, link);
d = b->outbuf->datas;
offs = SPA_MIN (b->outbuf->datas[0].chunk->offset, b->outbuf->datas[0].maxsize);
src = SPA_MEMBER (b->outbuf->datas[0].data, offs, uint8_t);
size = SPA_MIN (b->outbuf->datas[0].chunk->size, b->outbuf->datas[0].maxsize - offs);
src = SPA_MEMBER (src, state->ready_offset, uint8_t);
dst = SPA_MEMBER (my_areas[0].addr, offset * state->frame_size, uint8_t);
n_bytes = SPA_MIN (size - state->ready_offset, to_write * state->frame_size);
n_frames = SPA_MIN (to_write, n_bytes / state->frame_size);
memcpy (dst, src, n_bytes);
if (b->rb) {
SpaRingbuffer *ringbuffer = &b->rb->ringbuffer;
uint32_t index;
int32_t avail;
state->ready_offset += n_bytes;
if (state->ready_offset >= size) {
avail = spa_ringbuffer_get_read_index (ringbuffer, &index);
n_bytes = SPA_MIN (avail, to_write * state->frame_size);
n_frames = SPA_MIN (to_write, n_bytes / state->frame_size);
spa_ringbuffer_read_data (ringbuffer,
d[0].data,
index & ringbuffer->mask,
dst,
n_bytes);
spa_ringbuffer_read_advance (ringbuffer, n_bytes);
reuse = avail == n_bytes;
} else {
offs = SPA_MIN (d[0].chunk->offset + state->ready_offset, d[0].maxsize);
size = SPA_MIN (d[0].chunk->size, d[0].maxsize - offs);
src = SPA_MEMBER (d[0].data, offs, uint8_t);
n_bytes = SPA_MIN (size, to_write * state->frame_size);
n_frames = SPA_MIN (to_write, n_bytes / state->frame_size);
memcpy (dst, src, n_bytes);
state->ready_offset += n_bytes;
reuse = (state->ready_offset >= size);
}
if (reuse) {
SpaEventNodeReuseBuffer rb = SPA_EVENT_NODE_REUSE_BUFFER_INIT (state->type.event_node.ReuseBuffer,
0, b->outbuf->id);
@ -378,7 +402,7 @@ pull_frames_queue (SpaALSAState *state,
to_write -= n_frames;
}
if (total_frames == 0) {
total_frames = state->threshold;
total_frames = SPA_MIN (frames, state->threshold);
spa_log_warn (state->log, "underrun, want %zd frames", total_frames);
snd_pcm_areas_silence (my_areas, offset, state->channels, total_frames, state->format);
}
@ -386,58 +410,13 @@ pull_frames_queue (SpaALSAState *state,
}
static snd_pcm_uframes_t
pull_frames_ringbuffer (SpaALSAState *state,
const snd_pcm_channel_area_t *my_areas,
snd_pcm_uframes_t offset,
snd_pcm_uframes_t frames)
{
int32_t avail;
uint32_t index;
size_t size;
SpaALSABuffer *b;
uint8_t *src, *dst;
b = state->ringbuffer;
src = b->outbuf->datas[0].data;
dst = SPA_MEMBER (my_areas[0].addr, offset * state->frame_size, uint8_t);
avail = spa_ringbuffer_get_read_index (&b->rb->ringbuffer, &index);
size = SPA_MIN (avail, frames * state->frame_size);
spa_log_trace (state->log, "%u %d %zd %zd", index, avail, offset, size);
if (size > 0) {
spa_ringbuffer_read_data (&b->rb->ringbuffer,
src,
index & b->rb->ringbuffer.mask,
dst,
size);
spa_ringbuffer_read_advance (&b->rb->ringbuffer, size);
frames = size / state->frame_size;
} else {
spa_log_warn (state->log, "underrun");
snd_pcm_areas_silence (my_areas, offset, state->channels, frames, state->format);
}
b->outstanding = true;
{
SpaEventNodeReuseBuffer rb = SPA_EVENT_NODE_REUSE_BUFFER_INIT (state->type.event_node.ReuseBuffer,
0, b->outbuf->id);
state->event_cb (&state->node, (SpaEvent*)&rb, state->user_data);
}
return frames;
}
static snd_pcm_uframes_t
push_frames_queue (SpaALSAState *state,
const snd_pcm_channel_area_t *my_areas,
snd_pcm_uframes_t offset,
snd_pcm_uframes_t frames)
push_frames (SpaALSAState *state,
const snd_pcm_channel_area_t *my_areas,
snd_pcm_uframes_t offset,
snd_pcm_uframes_t frames)
{
snd_pcm_uframes_t total_frames = 0;
SpaPortIO *io = state->io;
if (spa_list_is_empty (&state->free)) {
spa_log_warn (state->log, "no more buffers");
@ -447,7 +426,6 @@ push_frames_queue (SpaALSAState *state,
size_t n_bytes;
SpaALSABuffer *b;
SpaData *d;
SpaPortIO *io;
b = spa_list_first (&state->free, SpaALSABuffer, link);
spa_list_remove (&b->link);
@ -470,7 +448,7 @@ push_frames_queue (SpaALSAState *state,
d[0].chunk->size = n_bytes;
d[0].chunk->stride = 0;
if ((io = state->io)) {
{
SpaEvent event = SPA_EVENT_INIT (state->type.event_node.HaveOutput);
b->outstanding = true;
@ -483,15 +461,6 @@ push_frames_queue (SpaALSAState *state,
return total_frames;
}
static snd_pcm_uframes_t
push_frames_ringbuffer (SpaALSAState *state,
const snd_pcm_channel_area_t *my_areas,
snd_pcm_uframes_t offset,
snd_pcm_uframes_t frames)
{
return frames;
}
static int
alsa_try_resume (SpaALSAState *state)
{
@ -518,9 +487,9 @@ calc_timeout (size_t target,
ts->tv_sec = now->tv_sec;
ts->tv_nsec = now->tv_nsec;
if (target > current)
ts->tv_nsec += (target - current) * SPA_NSEC_PER_SEC / rate;
ts->tv_nsec += ((target - current) * SPA_NSEC_PER_SEC) / rate;
while (ts->tv_nsec > SPA_NSEC_PER_SEC) {
while (ts->tv_nsec >= SPA_NSEC_PER_SEC) {
ts->tv_sec++;
ts->tv_nsec -= SPA_NSEC_PER_SEC;
}
@ -579,10 +548,7 @@ alsa_on_playback_timeout_event (SpaSource *source)
return;
}
if (state->ringbuffer)
written = pull_frames_ringbuffer (state, my_areas, offset, frames);
else
written = pull_frames_queue (state, my_areas, offset, frames);
written = pull_frames (state, my_areas, offset, frames);
if (written < frames)
to_write = 0;
@ -607,8 +573,9 @@ alsa_on_playback_timeout_event (SpaSource *source)
calc_timeout (total_written + filled, state->threshold, state->rate, &htstamp, &ts.it_value);
spa_log_trace (state->log, "timeout %ld %ld %ld %ld", total_written, filled,
ts.it_value.tv_sec, ts.it_value.tv_nsec);
spa_log_trace (state->log, "timeout %ld %ld %ld %ld %ld", total_written, filled,
ts.it_value.tv_sec, ts.it_value.tv_nsec,
ts.it_value.tv_nsec - htstamp.tv_nsec);
ts.it_interval.tv_sec = 0;
ts.it_interval.tv_nsec = 0;
@ -663,12 +630,8 @@ alsa_on_capture_timeout_event (SpaSource *source)
return;
}
if (state->ringbuffer)
read = push_frames_ringbuffer (state, my_areas, offset, frames);
else
read = push_frames_queue (state, my_areas, offset, frames);
if (read < to_read)
read = push_frames (state, my_areas, offset, frames);
if (read < frames)
to_read = 0;
if ((res = snd_pcm_mmap_commit (hndl, offset, read)) < 0) {

View file

@ -144,8 +144,6 @@ struct _SpaALSAState {
SpaALSABuffer buffers[MAX_BUFFERS];
unsigned int n_buffers;
bool use_ringbuffer;
SpaALSABuffer *ringbuffer;
SpaList free;
SpaList ready;

View file

@ -98,6 +98,7 @@ struct _ATSBuffer {
SpaBuffer *outbuf;
bool outstanding;
SpaMetaHeader *h;
SpaMetaRingbuffer *rb;
SpaList link;
};
@ -296,6 +297,7 @@ audiotestsrc_make_buffer (SpaAudioTestSrc *this)
n_bytes = b->outbuf->datas[0].maxsize;
if (io->range.min_size != 0) {
n_bytes = SPA_MIN (n_bytes, io->range.min_size);
if (io->range.max_size < n_bytes)
n_bytes = io->range.max_size;
}
@ -303,12 +305,33 @@ audiotestsrc_make_buffer (SpaAudioTestSrc *this)
spa_log_trace (this->log, "audiotestsrc %p: dequeue buffer %d %d %d", this, b->outbuf->id,
b->outbuf->datas[0].maxsize, n_bytes);
n_samples = n_bytes / this->bpf;
this->render_func (this, b->outbuf->datas[0].data, n_samples);
if (b->rb) {
int32_t filled, avail;
uint32_t index, offset;
b->outbuf->datas[0].chunk->offset = 0;
b->outbuf->datas[0].chunk->size = n_bytes;
b->outbuf->datas[0].chunk->stride = 0;
filled = spa_ringbuffer_get_write_index (&b->rb->ringbuffer, &index);
avail = b->rb->ringbuffer.size - filled;
n_bytes = SPA_MIN (avail, n_bytes);
n_samples = n_bytes / this->bpf;
offset = index & b->rb->ringbuffer.mask;
if (offset + n_bytes > b->rb->ringbuffer.size) {
uint32_t l0 = b->rb->ringbuffer.size - offset;
this->render_func (this, SPA_MEMBER (b->outbuf->datas[0].data, offset, void), l0 / this->bpf);
this->render_func (this, b->outbuf->datas[0].data, (n_bytes - l0) / this->bpf);
} else {
this->render_func (this, SPA_MEMBER (b->outbuf->datas[0].data, offset, void), n_samples);
}
spa_ringbuffer_write_advance (&b->rb->ringbuffer, n_bytes);
} else {
n_samples = n_bytes / this->bpf;
this->render_func (this, b->outbuf->datas[0].data, n_samples);
b->outbuf->datas[0].chunk->size = n_bytes;
b->outbuf->datas[0].chunk->offset = 0;
b->outbuf->datas[0].chunk->stride = 0;
}
if (b->h) {
b->h->seq = this->sample_count;
@ -703,6 +726,7 @@ spa_audiotestsrc_node_port_use_buffers (SpaNode *node,
b->outbuf = buffers[i];
b->outstanding = false;
b->h = spa_buffer_find_meta (buffers[i], SPA_META_TYPE_HEADER);
b->rb = spa_buffer_find_meta (buffers[i], SPA_META_TYPE_RINGBUFFER);
switch (d[0].type) {
case SPA_DATA_TYPE_MEMPTR:

View file

@ -3,7 +3,11 @@ executable('test-mixer', 'test-mixer.c',
dependencies : [dl_lib, pthread_lib],
link_with : spalib,
install : false)
executable('test-ringbuffer', 'test-ringbuffer.c',
include_directories : [spa_inc, spa_libinc ],
dependencies : [dl_lib, pthread_lib],
link_with : spalib,
install : false)
executable('test-v4l2', 'test-v4l2.c',
include_directories : [spa_inc, spa_libinc ],
dependencies : [dl_lib, sdl_dep, pthread_lib],

View file

@ -312,8 +312,7 @@ make_nodes (AppData *data)
spa_pod_builder_init (&b, buffer, sizeof (buffer));
spa_pod_builder_props (&b, &f[0], data->type.props,
SPA_POD_PROP (&f[1], data->type.props_device, 0, SPA_POD_TYPE_STRING, 1, "hw:1"),
SPA_POD_PROP (&f[1], data->type.props_min_latency, 0, SPA_POD_TYPE_INT, 1, 256),
SPA_POD_PROP (&f[1], data->type.props_live, 0, SPA_POD_TYPE_BOOL, 1, false));
SPA_POD_PROP (&f[1], data->type.props_min_latency, 0, SPA_POD_TYPE_INT, 1, 128));
props = SPA_POD_BUILDER_DEREF (&b, f[0].ref, SpaProps);
if ((res = spa_node_set_props (data->sink, props)) < 0)
@ -336,7 +335,8 @@ make_nodes (AppData *data)
spa_pod_builder_init (&b, buffer, sizeof (buffer));
spa_pod_builder_props (&b, &f[0], data->type.props,
SPA_POD_PROP (&f[1], data->type.props_freq, 0, SPA_POD_TYPE_DOUBLE, 1, 600.0),
SPA_POD_PROP (&f[1], data->type.props_volume, 0, SPA_POD_TYPE_DOUBLE, 1, 0.5));
SPA_POD_PROP (&f[1], data->type.props_volume, 0, SPA_POD_TYPE_DOUBLE, 1, 0.5),
SPA_POD_PROP (&f[1], data->type.props_live, 0, SPA_POD_TYPE_BOOL, 1, false));
props = SPA_POD_BUILDER_DEREF (&b, f[0].ref, SpaProps);
if ((res = spa_node_set_props (data->source1, props)) < 0)

489
spa/tests/test-ringbuffer.c Normal file
View file

@ -0,0 +1,489 @@
/* Spa
* Copyright (C) 2017 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <dlfcn.h>
#include <errno.h>
#include <pthread.h>
#include <poll.h>
#include <spa/node.h>
#include <spa/log.h>
#include <spa/loop.h>
#include <spa/type-map.h>
#include <spa/audio/format-utils.h>
#include <spa/format-utils.h>
#include <spa/format-builder.h>
#include <lib/mapper.h>
#include <lib/debug.h>
#include <lib/props.h>
typedef struct {
uint32_t node;
uint32_t props;
uint32_t format;
uint32_t props_device;
uint32_t props_freq;
uint32_t props_volume;
uint32_t props_min_latency;
uint32_t props_live;
SpaTypeMediaType media_type;
SpaTypeMediaSubtype media_subtype;
SpaTypeFormatAudio format_audio;
SpaTypeAudioFormat audio_format;
SpaTypeEventNode event_node;
SpaTypeCommandNode command_node;
} Type;
static inline void
init_type (Type *type, SpaTypeMap *map)
{
type->node = spa_type_map_get_id (map, SPA_TYPE__Node);
type->props = spa_type_map_get_id (map, SPA_TYPE__Props);
type->format = spa_type_map_get_id (map, SPA_TYPE__Format);
type->props_device = spa_type_map_get_id (map, SPA_TYPE_PROPS__device);
type->props_freq = spa_type_map_get_id (map, SPA_TYPE_PROPS__frequency);
type->props_volume = spa_type_map_get_id (map, SPA_TYPE_PROPS__volume);
type->props_min_latency = spa_type_map_get_id (map, SPA_TYPE_PROPS__minLatency);
type->props_live = spa_type_map_get_id (map, SPA_TYPE_PROPS__live);
spa_type_media_type_map (map, &type->media_type);
spa_type_media_subtype_map (map, &type->media_subtype);
spa_type_format_audio_map (map, &type->format_audio);
spa_type_audio_format_map (map, &type->audio_format);
spa_type_event_node_map (map, &type->event_node);
spa_type_command_node_map (map, &type->command_node);
}
typedef struct {
SpaBuffer buffer;
SpaMeta metas[2];
SpaMetaHeader header;
SpaMetaRingbuffer rb;
SpaData datas[1];
SpaChunk chunks[1];
} Buffer;
typedef struct {
SpaTypeMap *map;
SpaLog *log;
SpaLoop data_loop;
Type type;
SpaSupport support[4];
uint32_t n_support;
SpaNode *sink;
SpaPortIO source_sink_io[1];
SpaNode *source;
SpaBuffer *source_buffers[1];
Buffer source_buffer[1];
bool running;
pthread_t thread;
SpaSource sources[16];
unsigned int n_sources;
bool rebuild_fds;
struct pollfd fds[16];
unsigned int n_fds;
} AppData;
#define BUFFER_SIZE 4096
static void
init_buffer (AppData *data, SpaBuffer **bufs, Buffer *ba, int n_buffers, size_t size)
{
int i;
for (i = 0; i < n_buffers; i++) {
Buffer *b = &ba[i];
bufs[i] = &b->buffer;
b->buffer.id = i;
b->buffer.n_metas = 2;
b->buffer.metas = b->metas;
b->buffer.n_datas = 1;
b->buffer.datas = b->datas;
b->header.flags = 0;
b->header.seq = 0;
b->header.pts = 0;
b->header.dts_offset = 0;
b->metas[0].type = SPA_META_TYPE_HEADER;
b->metas[0].data = &b->header;
b->metas[0].size = sizeof (b->header);
spa_ringbuffer_init (&b->rb.ringbuffer, size);
b->metas[1].type = SPA_META_TYPE_RINGBUFFER;
b->metas[1].data = &b->rb;
b->metas[1].size = sizeof (b->rb);
b->datas[0].type = SPA_DATA_TYPE_MEMPTR;
b->datas[0].flags = 0;
b->datas[0].fd = -1;
b->datas[0].mapoffset = 0;
b->datas[0].maxsize = size;
b->datas[0].data = malloc (size);
b->datas[0].chunk = &b->chunks[0];
b->datas[0].chunk->offset = 0;
b->datas[0].chunk->size = size;
b->datas[0].chunk->stride = 0;
}
}
static SpaResult
make_node (AppData *data, SpaNode **node, const char *lib, const char *name, bool async)
{
SpaHandle *handle;
SpaResult res;
void *hnd;
SpaEnumHandleFactoryFunc enum_func;
unsigned int i;
uint32_t state = 0;
SpaDictItem items[1];
SpaDict dict = SPA_DICT_INIT (1, items);
if ((hnd = dlopen (lib, RTLD_NOW)) == NULL) {
printf ("can't load %s: %s\n", lib, dlerror());
return SPA_RESULT_ERROR;
}
if ((enum_func = dlsym (hnd, "spa_enum_handle_factory")) == NULL) {
printf ("can't find enum function\n");
return SPA_RESULT_ERROR;
}
items[0].key = "asynchronous";
items[0].value = async ? "1" : "0";
for (i = 0; ;i++) {
const SpaHandleFactory *factory;
void *iface;
if ((res = enum_func (&factory, state++)) < 0) {
if (res != SPA_RESULT_ENUM_END)
printf ("can't enumerate factories: %d\n", res);
break;
}
if (strcmp (factory->name, name))
continue;
handle = calloc (1, factory->size);
if ((res = spa_handle_factory_init (factory, handle, &dict, data->support, data->n_support)) < 0) {
printf ("can't make factory instance: %d\n", res);
return res;
}
if ((res = spa_handle_get_interface (handle, data->type.node, &iface)) < 0) {
printf ("can't get interface %d\n", res);
return res;
}
*node = iface;
return SPA_RESULT_OK;
}
return SPA_RESULT_ERROR;
}
static void
on_sink_event (SpaNode *node, SpaEvent *event, void *user_data)
{
AppData *data = user_data;
SpaResult res;
if (SPA_EVENT_TYPE (event) == data->type.event_node.NeedInput) {
res = spa_node_process_output (data->source);
if (res != SPA_RESULT_HAVE_OUTPUT)
printf ("got process_output error from source %d\n", res);
if ((res = spa_node_process_input (data->sink)) < 0)
printf ("got process_input error from sink %d\n", res);
}
else if (SPA_EVENT_TYPE (event) == data->type.event_node.ReuseBuffer) {
SpaEventNodeReuseBuffer *rb = (SpaEventNodeReuseBuffer *) event;
data->source_sink_io[0].buffer_id = rb->body.buffer_id.value;
}
else {
printf ("got event %d\n", SPA_EVENT_TYPE (event));
}
}
static SpaResult
do_add_source (SpaLoop *loop,
SpaSource *source)
{
AppData *data = SPA_CONTAINER_OF (loop, AppData, data_loop);
data->sources[data->n_sources] = *source;
data->n_sources++;
data->rebuild_fds = true;
return SPA_RESULT_OK;
}
static SpaResult
do_update_source (SpaSource *source)
{
return SPA_RESULT_OK;
}
static void
do_remove_source (SpaSource *source)
{
}
static SpaResult
do_invoke (SpaLoop *loop,
SpaInvokeFunc func,
uint32_t seq,
size_t size,
void *data,
void *user_data)
{
return func (loop, false, seq, size, data, user_data);
}
static SpaResult
make_nodes (AppData *data)
{
SpaResult res;
SpaProps *props;
SpaPODBuilder b = { 0 };
SpaPODFrame f[2];
uint8_t buffer[128];
if ((res = make_node (data, &data->sink,
"build/spa/plugins/alsa/libspa-alsa.so",
"alsa-sink", true)) < 0) {
printf ("can't create alsa-sink: %d\n", res);
return res;
}
spa_node_set_event_callback (data->sink, on_sink_event, data);
spa_pod_builder_init (&b, buffer, sizeof (buffer));
spa_pod_builder_props (&b, &f[0], data->type.props,
SPA_POD_PROP (&f[1], data->type.props_device, 0, SPA_POD_TYPE_STRING, 1, "hw:1"),
SPA_POD_PROP (&f[1], data->type.props_min_latency, 0, SPA_POD_TYPE_INT, 1, 128));
props = SPA_POD_BUILDER_DEREF (&b, f[0].ref, SpaProps);
if ((res = spa_node_set_props (data->sink, props)) < 0)
printf ("got set_props error %d\n", res);
if ((res = make_node (data, &data->source,
"build/spa/plugins/audiotestsrc/libspa-audiotestsrc.so",
"audiotestsrc", false)) < 0) {
printf ("can't create audiotestsrc: %d\n", res);
return res;
}
spa_pod_builder_init (&b, buffer, sizeof (buffer));
spa_pod_builder_props (&b, &f[0], data->type.props,
SPA_POD_PROP (&f[1], data->type.props_live, 0, SPA_POD_TYPE_BOOL, 1, false));
props = SPA_POD_BUILDER_DEREF (&b, f[0].ref, SpaProps);
if ((res = spa_node_set_props (data->source, props)) < 0)
printf ("got set_props error %d\n", res);
return res;
}
static SpaResult
negotiate_formats (AppData *data)
{
SpaResult res;
SpaFormat *format, *filter;
uint32_t state = 0;
SpaPODBuilder b = { 0 };
SpaPODFrame f[2];
uint8_t buffer[256];
spa_pod_builder_init (&b, buffer, sizeof (buffer));
spa_pod_builder_format (&b, &f[0], data->type.format,
data->type.media_type.audio, data->type.media_subtype.raw,
SPA_POD_PROP (&f[1], data->type.format_audio.format, 0,
SPA_POD_TYPE_ID, 1,
data->type.audio_format.S16),
SPA_POD_PROP (&f[1], data->type.format_audio.layout, 0,
SPA_POD_TYPE_INT, 1,
SPA_AUDIO_LAYOUT_INTERLEAVED),
SPA_POD_PROP (&f[1], data->type.format_audio.rate, 0,
SPA_POD_TYPE_INT, 1,
44100),
SPA_POD_PROP (&f[1], data->type.format_audio.channels, 0,
SPA_POD_TYPE_INT, 1,
2));
filter = SPA_POD_BUILDER_DEREF (&b, f[0].ref, SpaFormat);
if ((res = spa_node_port_enum_formats (data->sink, SPA_DIRECTION_INPUT, 0, &format, filter, state)) < 0)
return res;
if ((res = spa_node_port_set_format (data->sink, SPA_DIRECTION_INPUT, 0, 0, format)) < 0)
return res;
spa_node_port_set_io (data->source, SPA_DIRECTION_OUTPUT, 0, &data->source_sink_io[0]);
spa_node_port_set_io (data->sink, SPA_DIRECTION_INPUT, 0, &data->source_sink_io[0]);
if ((res = spa_node_port_set_format (data->source, SPA_DIRECTION_OUTPUT, 0, 0, format)) < 0)
return res;
init_buffer (data, data->source_buffers, data->source_buffer, 1, BUFFER_SIZE);
if ((res = spa_node_port_use_buffers (data->sink, SPA_DIRECTION_INPUT, 0, data->source_buffers, 1)) < 0)
return res;
if ((res = spa_node_port_use_buffers (data->source, SPA_DIRECTION_OUTPUT, 0, data->source_buffers, 1)) < 0)
return res;
return SPA_RESULT_OK;
}
static void *
loop (void *user_data)
{
AppData *data = user_data;
printf ("enter thread %d\n", data->n_sources);
while (data->running) {
int i, r;
/* rebuild */
if (data->rebuild_fds) {
for (i = 0; i < data->n_sources; i++) {
SpaSource *p = &data->sources[i];
data->fds[i].fd = p->fd;
data->fds[i].events = p->mask;
}
data->n_fds = data->n_sources;
data->rebuild_fds = false;
}
r = poll ((struct pollfd *) data->fds, data->n_fds, -1);
if (r < 0) {
if (errno == EINTR)
continue;
break;
}
if (r == 0) {
fprintf (stderr, "select timeout");
break;
}
/* after */
for (i = 0; i < data->n_sources; i++) {
SpaSource *p = &data->sources[i];
p->rmask = 0;
if (data->fds[i].revents & POLLIN)
p->rmask |= SPA_IO_IN;
if (data->fds[i].revents & POLLOUT)
p->rmask |= SPA_IO_OUT;
if (data->fds[i].revents & POLLHUP)
p->rmask |= SPA_IO_HUP;
if (data->fds[i].revents & POLLERR)
p->rmask |= SPA_IO_ERR;
}
for (i = 0; i < data->n_sources; i++) {
SpaSource *p = &data->sources[i];
if (p->rmask)
p->func (p);
}
}
printf ("leave thread\n");
return NULL;
}
static void
run_async_sink (AppData *data)
{
SpaResult res;
int err;
{
SpaCommand cmd = SPA_COMMAND_INIT (data->type.command_node.Start);
if ((res = spa_node_send_command (data->source, &cmd)) < 0)
printf ("got source error %d\n", res);
if ((res = spa_node_send_command (data->sink, &cmd)) < 0)
printf ("got sink error %d\n", res);
}
data->running = true;
if ((err = pthread_create (&data->thread, NULL, loop, data)) != 0) {
printf ("can't create thread: %d %s", err, strerror (err));
data->running = false;
}
printf ("sleeping for 1000 seconds\n");
sleep (1000);
if (data->running) {
data->running = false;
pthread_join (data->thread, NULL);
}
{
SpaCommand cmd = SPA_COMMAND_INIT (data->type.command_node.Pause);
if ((res = spa_node_send_command (data->sink, &cmd)) < 0)
printf ("got sink error %d\n", res);
if ((res = spa_node_send_command (data->source, &cmd)) < 0)
printf ("got source error %d\n", res);
}
}
int
main (int argc, char *argv[])
{
AppData data = { NULL };
SpaResult res;
const char *str;
data.map = spa_type_map_get_default();
data.log = spa_log_get_default();
data.data_loop.size = sizeof (SpaLoop);
data.data_loop.add_source = do_add_source;
data.data_loop.update_source = do_update_source;
data.data_loop.remove_source = do_remove_source;
data.data_loop.invoke = do_invoke;
if ((str = getenv ("PINOS_DEBUG")))
data.log->level = atoi (str);
data.support[0].type = SPA_TYPE__TypeMap;
data.support[0].data = data.map;
data.support[1].type = SPA_TYPE__Log;
data.support[1].data = data.log;
data.support[2].type = SPA_TYPE_LOOP__DataLoop;
data.support[2].data = &data.data_loop;
data.support[3].type = SPA_TYPE_LOOP__MainLoop;
data.support[3].data = &data.data_loop;
data.n_support = 4;
init_type (&data.type, data.map);
if ((res = make_nodes (&data)) < 0) {
printf ("can't make nodes: %d\n", res);
return -1;
}
if ((res = negotiate_formats (&data)) < 0) {
printf ("can't negotiate nodes: %d\n", res);
return -1;
}
run_async_sink (&data);
}