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pipewire/spa/plugins/audiotestsrc/audiotestsrc.c
Wim Taymans 06765a2dea Add fd to the data 
Add the fd to the SpaData so that we can noth use the fd and the mmapped
memory when we want instead of needing to mmap again in the plugin.
various cleanups
2016-10-04 20:17:12 +02:00

1081 lines
29 KiB
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/* Spa
* Copyright (C) 2016 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 <stddef.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <sys/timerfd.h>
#include <poll.h>
#include <spa/node.h>
#include <spa/queue.h>
#include <spa/audio/format.h>
#define SAMPLES_TO_TIME(this,s) ((s) * SPA_NSEC_PER_SEC / (this)->current_format.info.raw.rate)
#define BYTES_TO_SAMPLES(this,b) ((b)/(this)->bpf)
#define BYTES_TO_TIME(this,b) SAMPLES_TO_TIME(this, BYTES_TO_SAMPLES (this, b))
typedef struct _SpaAudioTestSrc SpaAudioTestSrc;
typedef struct {
SpaProps props;
uint32_t wave;
double freq;
double volume;
bool live;
} SpaAudioTestSrcProps;
#define MAX_BUFFERS 16
typedef struct _ATSBuffer ATSBuffer;
struct _ATSBuffer {
SpaBuffer *outbuf;
bool outstanding;
ATSBuffer *next;
SpaMetaHeader *h;
void *ptr;
size_t size;
};
struct _SpaAudioTestSrc {
SpaHandle handle;
SpaNode node;
SpaClock clock;
SpaAudioTestSrcProps props[2];
SpaNodeEventCallback event_cb;
void *user_data;
SpaPollItem timer;
SpaPollFd fds[1];
struct itimerspec timerspec;
SpaPortInfo info;
SpaAllocParam *params[2];
SpaAllocParamBuffers param_buffers;
SpaAllocParamMetaEnable param_meta;
SpaPortStatus status;
bool have_format;
SpaFormatAudio query_format;
SpaFormatAudio current_format;
size_t bpf;
ATSBuffer buffers[MAX_BUFFERS];
unsigned int n_buffers;
bool started;
uint64_t start_time;
uint64_t elapsed_time;
uint64_t sample_count;
SpaQueue empty;
SpaQueue ready;
};
#define CHECK_PORT(this,d,p) ((d) == SPA_DIRECTION_OUTPUT && (p) == 0)
#define DEFAULT_WAVE 0
#define DEFAULT_VOLUME 1.0
#define DEFAULT_FREQ 440.0
#define DEFAULT_LIVE true
static const double min_volume = 0.0;
static const double max_volume = 10.0;
static const double min_freq = 0.0;
static const double max_freq = 50000000.0;
static const SpaPropRangeInfo volume_range[] = {
{ "min", "Minimum value", { sizeof (double), &min_volume } },
{ "max", "Maximum value", { sizeof (double), &max_volume } },
};
static const uint32_t wave_val_sine = 0;
static const uint32_t wave_val_square = 1;
static const SpaPropRangeInfo wave_range[] = {
{ "sine", "Sine", { sizeof (uint32_t), &wave_val_sine } },
{ "square", "Square", { sizeof (uint32_t), &wave_val_square } },
};
static const SpaPropRangeInfo freq_range[] = {
{ "min", "Minimum value", { sizeof (double), &min_freq } },
{ "max", "Maximum value", { sizeof (double), &max_freq } },
};
enum {
PROP_ID_WAVE,
PROP_ID_FREQ,
PROP_ID_VOLUME,
PROP_ID_LIVE,
PROP_ID_LAST,
};
static const SpaPropInfo prop_info[] =
{
{ PROP_ID_WAVE, offsetof (SpaAudioTestSrcProps, wave),
"wave", "Oscillator waveform",
SPA_PROP_FLAG_READWRITE,
SPA_PROP_TYPE_UINT32, sizeof (uint32_t),
SPA_PROP_RANGE_TYPE_ENUM, SPA_N_ELEMENTS (wave_range), wave_range,
NULL },
{ PROP_ID_FREQ, offsetof (SpaAudioTestSrcProps, freq),
"freq", "Frequency of test signal. The sample rate needs to be at least 4 times higher",
SPA_PROP_FLAG_READWRITE,
SPA_PROP_TYPE_DOUBLE, sizeof (double),
SPA_PROP_RANGE_TYPE_MIN_MAX, 2, freq_range,
NULL },
{ PROP_ID_VOLUME, offsetof (SpaAudioTestSrcProps, volume),
"volume", "The Volume factor",
SPA_PROP_FLAG_READWRITE,
SPA_PROP_TYPE_DOUBLE, sizeof (double),
SPA_PROP_RANGE_TYPE_MIN_MAX, 2, volume_range,
NULL },
{ PROP_ID_LIVE, offsetof (SpaAudioTestSrcProps, live),
"live", "Timestamp against the clock",
SPA_PROP_FLAG_READWRITE,
SPA_PROP_TYPE_BOOL, sizeof (bool),
SPA_PROP_RANGE_TYPE_NONE, 0, NULL,
NULL },
};
static SpaResult
reset_audiotestsrc_props (SpaAudioTestSrcProps *props)
{
props->wave = DEFAULT_WAVE;
props->freq = DEFAULT_FREQ;
props->volume = DEFAULT_VOLUME;
props->live = DEFAULT_LIVE;
return SPA_RESULT_OK;
}
static SpaResult
spa_audiotestsrc_node_get_props (SpaNode *node,
SpaProps **props)
{
SpaAudioTestSrc *this;
if (node == NULL || node->handle == NULL || props == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = (SpaAudioTestSrc *) node->handle;
memcpy (&this->props[0], &this->props[1], sizeof (this->props[1]));
*props = &this->props[0].props;
return SPA_RESULT_OK;
}
static SpaResult
spa_audiotestsrc_node_set_props (SpaNode *node,
const SpaProps *props)
{
SpaAudioTestSrc *this;
SpaAudioTestSrcProps *p;
SpaResult res;
if (node == NULL || node->handle == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = (SpaAudioTestSrc *) node->handle;
p = &this->props[1];
if (props == NULL) {
res = reset_audiotestsrc_props (p);
} else {
res = spa_props_copy_values (props, &p->props);
}
if (this->props[1].live)
this->info.flags |= SPA_PORT_INFO_FLAG_LIVE;
else
this->info.flags &= ~SPA_PORT_INFO_FLAG_LIVE;
return res;
}
static SpaResult
send_have_output (SpaAudioTestSrc *this)
{
SpaNodeEvent event;
SpaNodeEventHaveOutput ho;
if (this->event_cb) {
event.type = SPA_NODE_EVENT_TYPE_HAVE_OUTPUT;
event.size = sizeof (ho);
event.data = &ho;
ho.port_id = 0;
this->event_cb (&this->node, &event, this->user_data);
}
return SPA_RESULT_OK;
}
static SpaResult
fill_buffer (SpaAudioTestSrc *this, ATSBuffer *b)
{
uint8_t *p = b->ptr;
size_t i;
for (i = 0; i < b->size; i++) {
p[i] = rand();
}
return SPA_RESULT_OK;
}
static int audiotestsrc_on_output (SpaPollNotifyData *data);
static SpaResult update_poll_enabled (SpaAudioTestSrc *this, bool enabled);
static int
audiotestsrc_on_output (SpaPollNotifyData *data)
{
SpaAudioTestSrc *this = data->user_data;
ATSBuffer *b;
SPA_QUEUE_POP_HEAD (&this->empty, ATSBuffer, next, b);
if (b == NULL) {
if (!this->props[1].live)
update_poll_enabled (this, false);
return 0;
}
fill_buffer (this, b);
if (b->h) {
b->h->seq = this->sample_count;
b->h->pts = this->start_time + this->elapsed_time;
b->h->dts_offset = 0;
}
this->sample_count += b->size / this->bpf;
this->elapsed_time = SAMPLES_TO_TIME (this, this->sample_count);
if (this->props[1].live) {
uint64_t expirations, next_time;
if (read (this->fds[0].fd, &expirations, sizeof (uint64_t)) < sizeof (uint64_t))
perror ("read timerfd");
next_time = this->start_time + this->elapsed_time;
this->timerspec.it_value.tv_sec = next_time / SPA_NSEC_PER_SEC;
this->timerspec.it_value.tv_nsec = next_time % SPA_NSEC_PER_SEC;
timerfd_settime (this->fds[0].fd, TFD_TIMER_ABSTIME, &this->timerspec, NULL);
}
b->next = NULL;
SPA_QUEUE_PUSH_TAIL (&this->ready, ATSBuffer, next, b);
send_have_output (this);
return 0;
}
static void
update_state (SpaAudioTestSrc *this, SpaNodeState state)
{
this->node.state = state;
}
static SpaResult
update_poll_enabled (SpaAudioTestSrc *this, bool enabled)
{
SpaNodeEvent event;
if (this->event_cb) {
event.type = SPA_NODE_EVENT_TYPE_UPDATE_POLL;
this->timer.enabled = enabled;
if (this->props[1].live) {
if (enabled) {
uint64_t next_time = this->start_time + this->elapsed_time;
this->timerspec.it_value.tv_sec = next_time / SPA_NSEC_PER_SEC;
this->timerspec.it_value.tv_nsec = next_time % SPA_NSEC_PER_SEC;
}
else {
this->timerspec.it_value.tv_sec = 0;
this->timerspec.it_value.tv_nsec = 0;
}
timerfd_settime (this->fds[0].fd, TFD_TIMER_ABSTIME, &this->timerspec, NULL);
this->timer.fds = this->fds;
this->timer.n_fds = 1;
this->timer.idle_cb = NULL;
this->timer.after_cb = audiotestsrc_on_output;
} else {
this->timer.fds = NULL;
this->timer.n_fds = 0;
this->timer.idle_cb = audiotestsrc_on_output;
this->timer.after_cb = NULL;
}
event.data = &this->timer;
event.size = sizeof (this->timer);
this->event_cb (&this->node, &event, this->user_data);
}
return SPA_RESULT_OK;
}
static SpaResult
spa_audiotestsrc_node_send_command (SpaNode *node,
SpaNodeCommand *command)
{
SpaAudioTestSrc *this;
if (node == NULL || node->handle == NULL || command == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = (SpaAudioTestSrc *) node->handle;
switch (command->type) {
case SPA_NODE_COMMAND_INVALID:
return SPA_RESULT_INVALID_COMMAND;
case SPA_NODE_COMMAND_START:
{
struct timespec now;
if (!this->have_format)
return SPA_RESULT_NO_FORMAT;
if (this->n_buffers == 0)
return SPA_RESULT_NO_BUFFERS;
if (this->started)
return SPA_RESULT_OK;
clock_gettime (CLOCK_MONOTONIC, &now);
if (this->props[1].live)
this->start_time = SPA_TIMESPEC_TO_TIME (&now);
else
this->start_time = 0;
this->sample_count = 0;
this->elapsed_time = 0;
this->started = true;
update_poll_enabled (this, true);
update_state (this, SPA_NODE_STATE_STREAMING);
break;
}
case SPA_NODE_COMMAND_PAUSE:
{
if (!this->have_format)
return SPA_RESULT_NO_FORMAT;
if (this->n_buffers == 0)
return SPA_RESULT_NO_BUFFERS;
if (!this->started)
return SPA_RESULT_OK;
this->started = false;
update_poll_enabled (this, false);
update_state (this, SPA_NODE_STATE_PAUSED);
break;
}
case SPA_NODE_COMMAND_FLUSH:
case SPA_NODE_COMMAND_DRAIN:
case SPA_NODE_COMMAND_MARKER:
case SPA_NODE_COMMAND_CLOCK_UPDATE:
return SPA_RESULT_NOT_IMPLEMENTED;
}
return SPA_RESULT_OK;
}
static SpaResult
spa_audiotestsrc_node_set_event_callback (SpaNode *node,
SpaNodeEventCallback event_cb,
void *user_data)
{
SpaAudioTestSrc *this;
SpaNodeEvent event;
if (node == NULL || node->handle == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = (SpaAudioTestSrc *) node->handle;
if (event_cb == NULL && this->event_cb) {
event.type = SPA_NODE_EVENT_TYPE_REMOVE_POLL;
event.data = &this->timer;
event.size = sizeof (this->timer);
this->event_cb (&this->node, &event, this->user_data);
}
this->event_cb = event_cb;
this->user_data = user_data;
if (this->event_cb) {
event.type = SPA_NODE_EVENT_TYPE_ADD_POLL;
event.data = &this->timer;
event.size = sizeof (this->timer);
this->event_cb (&this->node, &event, this->user_data);
}
return SPA_RESULT_OK;
}
static SpaResult
spa_audiotestsrc_node_get_n_ports (SpaNode *node,
unsigned int *n_input_ports,
unsigned int *max_input_ports,
unsigned int *n_output_ports,
unsigned int *max_output_ports)
{
if (node == NULL || node->handle == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
if (n_input_ports)
*n_input_ports = 0;
if (n_output_ports)
*n_output_ports = 1;
if (max_input_ports)
*max_input_ports = 0;
if (max_output_ports)
*max_output_ports = 1;
return SPA_RESULT_OK;
}
static SpaResult
spa_audiotestsrc_node_get_port_ids (SpaNode *node,
unsigned int n_input_ports,
uint32_t *input_ids,
unsigned int n_output_ports,
uint32_t *output_ids)
{
if (node == NULL || node->handle == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
if (n_output_ports > 0 && output_ids != NULL)
output_ids[0] = 0;
return SPA_RESULT_OK;
}
static SpaResult
spa_audiotestsrc_node_add_port (SpaNode *node,
SpaDirection direction,
uint32_t port_id)
{
return SPA_RESULT_NOT_IMPLEMENTED;
}
static SpaResult
spa_audiotestsrc_node_remove_port (SpaNode *node,
SpaDirection direction,
uint32_t port_id)
{
return SPA_RESULT_NOT_IMPLEMENTED;
}
static SpaResult
spa_audiotestsrc_node_port_enum_formats (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
SpaFormat **format,
const SpaFormat *filter,
void **state)
{
SpaAudioTestSrc *this;
int index;
if (node == NULL || node->handle == NULL || format == NULL || state == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = (SpaAudioTestSrc *) node->handle;
if (!CHECK_PORT (this, direction, port_id))
return SPA_RESULT_INVALID_PORT;
index = (*state == NULL ? 0 : *(int*)state);
switch (index) {
case 0:
if (filter)
spa_format_audio_parse (filter, &this->query_format);
else
spa_format_audio_init (SPA_MEDIA_TYPE_AUDIO,
SPA_MEDIA_SUBTYPE_RAW,
&this->query_format);
break;
default:
return SPA_RESULT_ENUM_END;
}
*format = &this->query_format.format;
*(int*)state = ++index;
return SPA_RESULT_OK;
}
static SpaResult
clear_buffers (SpaAudioTestSrc *this)
{
if (this->n_buffers > 0) {
fprintf (stderr, "audiotestsrc %p: clear buffers\n", this);
this->n_buffers = 0;
SPA_QUEUE_INIT (&this->empty);
SPA_QUEUE_INIT (&this->ready);
}
return SPA_RESULT_OK;
}
static SpaResult
spa_audiotestsrc_node_port_set_format (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
SpaPortFormatFlags flags,
const SpaFormat *format)
{
SpaAudioTestSrc *this;
SpaResult res;
if (node == NULL || node->handle == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = (SpaAudioTestSrc *) node->handle;
if (!CHECK_PORT (this, direction, port_id))
return SPA_RESULT_INVALID_PORT;
if (format == NULL) {
this->have_format = false;
clear_buffers (this);
} else {
if ((res = spa_format_audio_parse (format, &this->current_format)) < 0)
return res;
this->bpf = (2 * this->current_format.info.raw.channels);
this->have_format = true;
}
if (this->have_format) {
this->info.maxbuffering = -1;
this->info.latency = BYTES_TO_TIME (this, 1024);
this->info.n_params = 2;
this->info.params = this->params;
this->params[0] = &this->param_buffers.param;
this->param_buffers.param.type = SPA_ALLOC_PARAM_TYPE_BUFFERS;
this->param_buffers.param.size = sizeof (this->param_buffers);
this->param_buffers.minsize = 1024;
this->param_buffers.stride = 1024;
this->param_buffers.min_buffers = 2;
this->param_buffers.max_buffers = 32;
this->param_buffers.align = 16;
this->params[1] = &this->param_meta.param;
this->param_meta.param.type = SPA_ALLOC_PARAM_TYPE_META_ENABLE;
this->param_meta.param.size = sizeof (this->param_meta);
this->param_meta.type = SPA_META_TYPE_HEADER;
this->info.features = NULL;
update_state (this, SPA_NODE_STATE_READY);
}
else
update_state (this, SPA_NODE_STATE_CONFIGURE);
return SPA_RESULT_OK;
}
static SpaResult
spa_audiotestsrc_node_port_get_format (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
const SpaFormat **format)
{
SpaAudioTestSrc *this;
if (node == NULL || node->handle == NULL || format == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = (SpaAudioTestSrc *) node->handle;
if (!CHECK_PORT (this, direction, port_id))
return SPA_RESULT_INVALID_PORT;
if (!this->have_format)
return SPA_RESULT_NO_FORMAT;
*format = &this->current_format.format;
return SPA_RESULT_OK;
}
static SpaResult
spa_audiotestsrc_node_port_get_info (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
const SpaPortInfo **info)
{
SpaAudioTestSrc *this;
if (node == NULL || node->handle == NULL || info == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = (SpaAudioTestSrc *) node->handle;
if (!CHECK_PORT (this, direction, port_id))
return SPA_RESULT_INVALID_PORT;
*info = &this->info;
return SPA_RESULT_OK;
}
static SpaResult
spa_audiotestsrc_node_port_get_props (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
SpaProps **props)
{
return SPA_RESULT_NOT_IMPLEMENTED;
}
static SpaResult
spa_audiotestsrc_node_port_set_props (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
const SpaProps *props)
{
return SPA_RESULT_NOT_IMPLEMENTED;
}
static SpaResult
spa_audiotestsrc_node_port_use_buffers (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
SpaBuffer **buffers,
uint32_t n_buffers)
{
SpaAudioTestSrc *this;
unsigned int i;
if (node == NULL || node->handle == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = (SpaAudioTestSrc *) node->handle;
if (!CHECK_PORT (this, direction, port_id))
return SPA_RESULT_INVALID_PORT;
if (!this->have_format)
return SPA_RESULT_NO_FORMAT;
clear_buffers (this);
for (i = 0; i < n_buffers; i++) {
ATSBuffer *b;
SpaData *d = buffers[i]->datas;
b = &this->buffers[i];
b->outbuf = buffers[i];
b->outstanding = true;
b->h = spa_buffer_find_meta (buffers[i], SPA_META_TYPE_HEADER);
switch (d[0].type) {
case SPA_DATA_TYPE_MEMPTR:
case SPA_DATA_TYPE_MEMFD:
case SPA_DATA_TYPE_DMABUF:
if (d[0].data == NULL) {
fprintf (stderr, "audiotestsrc %p: invalid memory on buffer %p\n", this, buffers[i]);
continue;
}
b->ptr = SPA_MEMBER (d[0].data, d[0].offset, void);
b->size = d[0].size;
break;
default:
break;
}
b->next = NULL;
SPA_QUEUE_PUSH_TAIL (&this->empty, ATSBuffer, next, b);
}
this->n_buffers = n_buffers;
if (this->n_buffers > 0) {
update_state (this, SPA_NODE_STATE_PAUSED);
} else {
update_state (this, SPA_NODE_STATE_READY);
}
return SPA_RESULT_OK;
}
static SpaResult
spa_audiotestsrc_node_port_alloc_buffers (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
SpaAllocParam **params,
uint32_t n_params,
SpaBuffer **buffers,
uint32_t *n_buffers)
{
SpaAudioTestSrc *this;
if (node == NULL || node->handle == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = (SpaAudioTestSrc *) node->handle;
if (!CHECK_PORT (this, direction, port_id))
return SPA_RESULT_INVALID_PORT;
if (!this->have_format)
return SPA_RESULT_NO_FORMAT;
if (this->n_buffers == 0)
return SPA_RESULT_NO_BUFFERS;
return SPA_RESULT_NOT_IMPLEMENTED;
}
static SpaResult
spa_audiotestsrc_node_port_get_status (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
const SpaPortStatus **status)
{
SpaAudioTestSrc *this;
if (node == NULL || node->handle == NULL || status == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = (SpaAudioTestSrc *) node->handle;
if (!CHECK_PORT (this, direction, port_id))
return SPA_RESULT_INVALID_PORT;
if (!this->have_format)
return SPA_RESULT_NO_FORMAT;
*status = &this->status;
return SPA_RESULT_OK;
}
static SpaResult
spa_audiotestsrc_node_port_push_input (SpaNode *node,
unsigned int n_info,
SpaPortInputInfo *info)
{
return SPA_RESULT_INVALID_PORT;
}
static SpaResult
spa_audiotestsrc_node_port_pull_output (SpaNode *node,
unsigned int n_info,
SpaPortOutputInfo *info)
{
SpaAudioTestSrc *this;
unsigned int i;
bool have_error = false;
if (node == NULL || node->handle == NULL || n_info == 0 || info == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = (SpaAudioTestSrc *) node->handle;
for (i = 0; i < n_info; i++) {
ATSBuffer *b;
if (info[i].port_id != 0) {
info[i].status = SPA_RESULT_INVALID_PORT;
have_error = true;
continue;
}
if (!this->have_format) {
info[i].status = SPA_RESULT_NO_FORMAT;
have_error = true;
continue;
}
SPA_QUEUE_POP_HEAD (&this->ready, ATSBuffer, next, b);
if (b == NULL) {
info[i].status = SPA_RESULT_UNEXPECTED;
have_error = true;
continue;
}
b->outstanding = true;
info[i].buffer_id = b->outbuf->id;
info[i].status = SPA_RESULT_OK;
}
if (have_error)
return SPA_RESULT_ERROR;
return SPA_RESULT_OK;
}
static SpaResult
spa_audiotestsrc_node_port_reuse_buffer (SpaNode *node,
uint32_t port_id,
uint32_t buffer_id)
{
SpaAudioTestSrc *this;
ATSBuffer *b;
if (node == NULL || node->handle == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = (SpaAudioTestSrc *) node->handle;
if (port_id != 0)
return SPA_RESULT_INVALID_PORT;
if (this->n_buffers == 0)
return SPA_RESULT_NO_BUFFERS;
if (buffer_id >= this->n_buffers)
return SPA_RESULT_INVALID_BUFFER_ID;
b = &this->buffers[buffer_id];
if (!b->outstanding)
return SPA_RESULT_OK;
b->outstanding = false;
b->next = NULL;
SPA_QUEUE_PUSH_TAIL (&this->empty, ATSBuffer, next, b);
if (this->empty.length == 1 && !this->props[1].live)
update_poll_enabled (this, true);
return SPA_RESULT_OK;
}
static SpaResult
spa_audiotestsrc_node_port_push_event (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
SpaNodeEvent *event)
{
return SPA_RESULT_NOT_IMPLEMENTED;
}
static const SpaNode audiotestsrc_node = {
NULL,
sizeof (SpaNode),
NULL,
SPA_NODE_STATE_INIT,
spa_audiotestsrc_node_get_props,
spa_audiotestsrc_node_set_props,
spa_audiotestsrc_node_send_command,
spa_audiotestsrc_node_set_event_callback,
spa_audiotestsrc_node_get_n_ports,
spa_audiotestsrc_node_get_port_ids,
spa_audiotestsrc_node_add_port,
spa_audiotestsrc_node_remove_port,
spa_audiotestsrc_node_port_enum_formats,
spa_audiotestsrc_node_port_set_format,
spa_audiotestsrc_node_port_get_format,
spa_audiotestsrc_node_port_get_info,
spa_audiotestsrc_node_port_get_props,
spa_audiotestsrc_node_port_set_props,
spa_audiotestsrc_node_port_use_buffers,
spa_audiotestsrc_node_port_alloc_buffers,
spa_audiotestsrc_node_port_get_status,
spa_audiotestsrc_node_port_push_input,
spa_audiotestsrc_node_port_pull_output,
spa_audiotestsrc_node_port_reuse_buffer,
spa_audiotestsrc_node_port_push_event,
};
static SpaResult
spa_audiotestsrc_clock_get_props (SpaClock *clock,
SpaProps **props)
{
return SPA_RESULT_NOT_IMPLEMENTED;
}
static SpaResult
spa_audiotestsrc_clock_set_props (SpaClock *clock,
const SpaProps *props)
{
return SPA_RESULT_NOT_IMPLEMENTED;
}
static SpaResult
spa_audiotestsrc_clock_get_time (SpaClock *clock,
int32_t *rate,
int64_t *ticks,
int64_t *monotonic_time)
{
struct timespec now;
uint64_t tnow;
if (clock == NULL || clock->handle == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
if (rate)
*rate = SPA_NSEC_PER_SEC;
clock_gettime (CLOCK_MONOTONIC, &now);
tnow = SPA_TIMESPEC_TO_TIME (&now);
if (ticks)
*ticks = tnow;
if (monotonic_time)
*monotonic_time = tnow;
return SPA_RESULT_OK;
}
static const SpaClock audiotestsrc_clock = {
NULL,
sizeof (SpaClock),
NULL,
SPA_CLOCK_STATE_STOPPED,
spa_audiotestsrc_clock_get_props,
spa_audiotestsrc_clock_set_props,
spa_audiotestsrc_clock_get_time,
};
static SpaResult
spa_audiotestsrc_get_interface (SpaHandle *handle,
uint32_t interface_id,
void **interface)
{
SpaAudioTestSrc *this;
if (handle == NULL || interface == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = (SpaAudioTestSrc *) handle;
switch (interface_id) {
case SPA_INTERFACE_ID_NODE:
*interface = &this->node;
break;
case SPA_INTERFACE_ID_CLOCK:
*interface = &this->clock;
break;
default:
return SPA_RESULT_UNKNOWN_INTERFACE;
}
return SPA_RESULT_OK;
}
static SpaResult
audiotestsrc_clear (SpaHandle *handle)
{
SpaAudioTestSrc *this;
if (handle == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
this = (SpaAudioTestSrc *) handle;
close (this->fds[0].fd);
return SPA_RESULT_OK;
}
static SpaResult
audiotestsrc_init (const SpaHandleFactory *factory,
SpaHandle *handle,
const SpaDict *info)
{
SpaAudioTestSrc *this;
if (factory == NULL || handle == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
handle->get_interface = spa_audiotestsrc_get_interface;
handle->clear = audiotestsrc_clear;
this = (SpaAudioTestSrc *) handle;
this->node = audiotestsrc_node;
this->node.handle = handle;
this->clock = audiotestsrc_clock;
this->clock.handle = handle;
this->props[1].props.n_prop_info = PROP_ID_LAST;
this->props[1].props.prop_info = prop_info;
reset_audiotestsrc_props (&this->props[1]);
SPA_QUEUE_INIT (&this->empty);
SPA_QUEUE_INIT (&this->ready);
this->fds[0].fd = timerfd_create (CLOCK_MONOTONIC, TFD_NONBLOCK | TFD_CLOEXEC);
this->fds[0].events = POLLIN | POLLPRI | POLLERR;
this->fds[0].revents = 0;
this->timerspec.it_value.tv_sec = 0;
this->timerspec.it_value.tv_nsec = 0;
this->timerspec.it_interval.tv_sec = 0;
this->timerspec.it_interval.tv_nsec = 0;
this->timer.id = 0;
this->timer.enabled = false;
this->timer.idle_cb = NULL;
this->timer.before_cb = NULL;
this->timer.after_cb = NULL;
this->timer.user_data = this;
this->info.flags = SPA_PORT_INFO_FLAG_CAN_USE_BUFFERS |
SPA_PORT_INFO_FLAG_NO_REF;
if (this->props[1].live)
this->info.flags |= SPA_PORT_INFO_FLAG_LIVE;
this->status.flags = SPA_PORT_STATUS_FLAG_NONE;
this->node.state = SPA_NODE_STATE_CONFIGURE;
return SPA_RESULT_OK;
}
static const SpaInterfaceInfo audiotestsrc_interfaces[] =
{
{ SPA_INTERFACE_ID_NODE,
SPA_INTERFACE_ID_NODE_NAME,
SPA_INTERFACE_ID_NODE_DESCRIPTION,
},
{ SPA_INTERFACE_ID_CLOCK,
SPA_INTERFACE_ID_CLOCK_NAME,
SPA_INTERFACE_ID_CLOCK_DESCRIPTION,
},
};
static SpaResult
audiotestsrc_enum_interface_info (const SpaHandleFactory *factory,
const SpaInterfaceInfo **info,
void **state)
{
int index;
if (factory == NULL || info == NULL || state == NULL)
return SPA_RESULT_INVALID_ARGUMENTS;
index = (*state == NULL ? 0 : *(int*)state);
switch (index) {
case 0:
*info = &audiotestsrc_interfaces[index];
break;
default:
return SPA_RESULT_ENUM_END;
}
*(int*)state = ++index;
return SPA_RESULT_OK;
}
const SpaHandleFactory spa_audiotestsrc_factory =
{ "audiotestsrc",
NULL,
sizeof (SpaAudioTestSrc),
audiotestsrc_init,
audiotestsrc_enum_interface_info,
};
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