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pipewire/spa/plugins/audiotestsrc/audiotestsrc.c
Wim Taymans 22070ecbf8 improve format filters
2017-04-04 20:25:02 +02:00

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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 <spa/type-map.h>
#include <spa/clock.h>
#include <spa/log.h>
#include <spa/loop.h>
#include <spa/node.h>
#include <spa/list.h>
#include <spa/audio/format-utils.h>
#include <spa/format-builder.h>
#include <lib/props.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 {
uint32_t node;
uint32_t clock;
uint32_t format;
uint32_t props;
uint32_t prop_live;
uint32_t prop_wave;
uint32_t prop_freq;
uint32_t prop_volume;
uint32_t wave_sine;
uint32_t wave_square;
SpaTypeMediaType media_type;
SpaTypeMediaSubtype media_subtype;
SpaTypeFormatAudio format_audio;
SpaTypeAudioFormat audio_format;
SpaTypeEventNode event_node;
SpaTypeCommandNode command_node;
SpaTypeAllocParamBuffers alloc_param_buffers;
SpaTypeAllocParamMetaEnable alloc_param_meta_enable;
} Type;
static inline void
init_type (Type *type, SpaTypeMap *map)
{
type->node = spa_type_map_get_id (map, SPA_TYPE__Node);
type->clock = spa_type_map_get_id (map, SPA_TYPE__Clock);
type->format = spa_type_map_get_id (map, SPA_TYPE__Format);
type->props = spa_type_map_get_id (map, SPA_TYPE__Props);
type->prop_live = spa_type_map_get_id (map, SPA_TYPE_PROPS__live);
type->prop_wave = spa_type_map_get_id (map, SPA_TYPE_PROPS__waveType);
type->prop_freq = spa_type_map_get_id (map, SPA_TYPE_PROPS__frequency);
type->prop_volume = spa_type_map_get_id (map, SPA_TYPE_PROPS__volume);
type->wave_sine = spa_type_map_get_id (map, SPA_TYPE_PROPS__waveType ":sine");
type->wave_square = spa_type_map_get_id (map, SPA_TYPE_PROPS__waveType ":square");
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);
spa_type_alloc_param_buffers_map (map, &type->alloc_param_buffers);
spa_type_alloc_param_meta_enable_map (map, &type->alloc_param_meta_enable);
}
typedef struct _SpaAudioTestSrc SpaAudioTestSrc;
typedef struct {
bool live;
uint32_t wave;
double freq;
double volume;
} SpaAudioTestSrcProps;
#define MAX_BUFFERS 16
typedef struct _ATSBuffer ATSBuffer;
struct _ATSBuffer {
SpaBuffer *outbuf;
bool outstanding;
SpaMetaHeader *h;
SpaList link;
};
typedef SpaResult (*RenderFunc) (SpaAudioTestSrc *this, void *samples, size_t n_samples);
struct _SpaAudioTestSrc {
SpaHandle handle;
SpaNode node;
SpaClock clock;
Type type;
SpaTypeMap *map;
SpaLog *log;
SpaLoop *data_loop;
bool async;
uint8_t props_buffer[512];
SpaAudioTestSrcProps props;
SpaEventNodeCallback event_cb;
void *user_data;
SpaSource timer_source;
struct itimerspec timerspec;
SpaPortInfo info;
SpaAllocParam *params[2];
uint8_t params_buffer[1024];
SpaPortIO *io;
bool have_format;
SpaAudioInfo current_format;
uint8_t format_buffer[1024];
size_t bpf;
RenderFunc render_func;
double accumulator;
ATSBuffer buffers[MAX_BUFFERS];
uint32_t n_buffers;
bool started;
uint64_t start_time;
uint64_t elapsed_time;
uint64_t sample_count;
SpaList empty;
};
#define CHECK_PORT(this,d,p) ((d) == SPA_DIRECTION_OUTPUT && (p) == 0)
#define DEFAULT_LIVE true
#define DEFAULT_WAVE wave_sine
#define DEFAULT_FREQ 440.0
#define DEFAULT_VOLUME 1.0
static void
reset_audiotestsrc_props (SpaAudioTestSrc *this, SpaAudioTestSrcProps *props)
{
props->live = DEFAULT_LIVE;
props->wave = this->type. DEFAULT_WAVE;
props->freq = DEFAULT_FREQ;
props->volume = DEFAULT_VOLUME;
}
#define PROP(f,key,type,...) \
SPA_POD_PROP (f,key,0,type,1,__VA_ARGS__)
#define PROP_MM(f,key,type,...) \
SPA_POD_PROP (f,key,SPA_POD_PROP_RANGE_MIN_MAX,type,3,__VA_ARGS__)
#define PROP_U_MM(f,key,type,...) \
SPA_POD_PROP (f,key,SPA_POD_PROP_FLAG_UNSET | \
SPA_POD_PROP_RANGE_MIN_MAX,type,3,__VA_ARGS__)
#define PROP_EN(f,key,type,n,...) \
SPA_POD_PROP (f,key,SPA_POD_PROP_RANGE_ENUM,type,n,__VA_ARGS__)
#define PROP_U_EN(f,key,type,n,...) \
SPA_POD_PROP (f,key,SPA_POD_PROP_FLAG_UNSET | \
SPA_POD_PROP_RANGE_ENUM,type,n,__VA_ARGS__)
static SpaResult
spa_audiotestsrc_node_get_props (SpaNode *node,
SpaProps **props)
{
SpaAudioTestSrc *this;
SpaPODBuilder b = { NULL, };
SpaPODFrame f[2];
spa_return_val_if_fail (node != NULL, SPA_RESULT_INVALID_ARGUMENTS);
spa_return_val_if_fail (props != NULL, SPA_RESULT_INVALID_ARGUMENTS);
this = SPA_CONTAINER_OF (node, SpaAudioTestSrc, node);
spa_pod_builder_init (&b, this->props_buffer, sizeof (this->props_buffer));
spa_pod_builder_props (&b, &f[0], this->type.props,
PROP (&f[1], this->type.prop_live, SPA_POD_TYPE_BOOL, this->props.live),
PROP_EN (&f[1], this->type.prop_wave, SPA_POD_TYPE_ID, 3, this->props.wave,
this->type.wave_sine,
this->type.wave_square),
PROP_MM (&f[1], this->type.prop_freq, SPA_POD_TYPE_DOUBLE, this->props.freq,
0.0, 50000000.0),
PROP_MM (&f[1], this->type.prop_volume, SPA_POD_TYPE_DOUBLE, this->props.volume,
0.0, 10.0));
*props = SPA_POD_BUILDER_DEREF (&b, f[0].ref, SpaProps);
return SPA_RESULT_OK;
}
static SpaResult
spa_audiotestsrc_node_set_props (SpaNode *node,
const SpaProps *props)
{
SpaAudioTestSrc *this;
spa_return_val_if_fail (node != NULL, SPA_RESULT_INVALID_ARGUMENTS);
this = SPA_CONTAINER_OF (node, SpaAudioTestSrc, node);
if (props == NULL) {
reset_audiotestsrc_props (this, &this->props);
} else {
spa_props_query (props,
this->type.prop_live, SPA_POD_TYPE_BOOL, &this->props.live,
this->type.prop_wave, SPA_POD_TYPE_ID, &this->props.wave,
this->type.prop_freq, SPA_POD_TYPE_DOUBLE, &this->props.freq,
this->type.prop_volume, SPA_POD_TYPE_DOUBLE, &this->props.volume,
0);
}
if (this->props.live)
this->info.flags |= SPA_PORT_INFO_FLAG_LIVE;
else
this->info.flags &= ~SPA_PORT_INFO_FLAG_LIVE;
return SPA_RESULT_OK;
}
static SpaResult
send_have_output (SpaAudioTestSrc *this)
{
if (this->event_cb) {
SpaEvent event = SPA_EVENT_INIT (this->type.event_node.HaveOutput);
this->event_cb (&this->node, &event, this->user_data);
}
return SPA_RESULT_OK;
}
#include "render.c"
static void
set_timer (SpaAudioTestSrc *this, bool enabled)
{
if (this->async || this->props.live) {
if (enabled) {
if (this->props.live) {
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 = 1;
}
} else {
this->timerspec.it_value.tv_sec = 0;
this->timerspec.it_value.tv_nsec = 0;
}
timerfd_settime (this->timer_source.fd, TFD_TIMER_ABSTIME, &this->timerspec, NULL);
}
}
static void
read_timer (SpaAudioTestSrc *this)
{
uint64_t expirations;
if (this->async || this->props.live) {
if (read (this->timer_source.fd, &expirations, sizeof (uint64_t)) < sizeof (uint64_t))
perror ("read timerfd");
}
}
static SpaResult
audiotestsrc_make_buffer (SpaAudioTestSrc *this)
{
ATSBuffer *b;
SpaPortIO *io = this->io;
int n_bytes, n_samples;
read_timer (this);
if (spa_list_is_empty (&this->empty)) {
set_timer (this, false);
return SPA_RESULT_OUT_OF_BUFFERS;
}
b = spa_list_first (&this->empty, ATSBuffer, link);
spa_list_remove (&b->link);
b->outstanding = true;
n_bytes = b->outbuf->datas[0].maxsize;
if (io->flags & SPA_PORT_IO_FLAG_RANGE)
n_bytes = SPA_CLAMP (n_bytes, io->range.min_size, io->range.max_size);
spa_log_trace (this->log, "audiotestsrc %p: dequeue buffer %d %d", this, b->outbuf->id, n_bytes);
n_samples = n_bytes / this->bpf;
this->render_func (this, b->outbuf->datas[0].data, n_samples);
b->outbuf->datas[0].chunk->offset = 0;
b->outbuf->datas[0].chunk->size = n_bytes;
b->outbuf->datas[0].chunk->stride = 0;
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 += n_samples;
this->elapsed_time = SAMPLES_TO_TIME (this, this->sample_count);
set_timer (this, true);
io->flags = 0;
io->buffer_id = b->outbuf->id;
io->status = SPA_RESULT_OK;
return SPA_RESULT_HAVE_OUTPUT;
}
static void
audiotestsrc_on_output (SpaSource *source)
{
SpaAudioTestSrc *this = source->data;
SpaResult res;
res = audiotestsrc_make_buffer (this);
if (res == SPA_RESULT_HAVE_OUTPUT)
send_have_output (this);
}
static void
update_state (SpaAudioTestSrc *this, SpaNodeState state)
{
this->node.state = state;
}
static SpaResult
spa_audiotestsrc_node_send_command (SpaNode *node,
SpaCommand *command)
{
SpaAudioTestSrc *this;
spa_return_val_if_fail (node != NULL, SPA_RESULT_INVALID_ARGUMENTS);
spa_return_val_if_fail (command != NULL, SPA_RESULT_INVALID_ARGUMENTS);
this = SPA_CONTAINER_OF (node, SpaAudioTestSrc, node);
if (SPA_COMMAND_TYPE (command) == this->type.command_node.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.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;
set_timer (this, true);
update_state (this, SPA_NODE_STATE_STREAMING);
}
else if (SPA_COMMAND_TYPE (command) == this->type.command_node.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;
set_timer (this, false);
update_state (this, SPA_NODE_STATE_PAUSED);
}
else
return SPA_RESULT_NOT_IMPLEMENTED;
return SPA_RESULT_OK;
}
static SpaResult
spa_audiotestsrc_node_set_event_callback (SpaNode *node,
SpaEventNodeCallback event_cb,
void *user_data)
{
SpaAudioTestSrc *this;
spa_return_val_if_fail (node != NULL, SPA_RESULT_INVALID_ARGUMENTS);
this = SPA_CONTAINER_OF (node, SpaAudioTestSrc, node);
this->event_cb = event_cb;
this->user_data = user_data;
return SPA_RESULT_OK;
}
static SpaResult
spa_audiotestsrc_node_get_n_ports (SpaNode *node,
uint32_t *n_input_ports,
uint32_t *max_input_ports,
uint32_t *n_output_ports,
uint32_t *max_output_ports)
{
spa_return_val_if_fail (node != NULL, 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,
uint32_t n_input_ports,
uint32_t *input_ids,
uint32_t n_output_ports,
uint32_t *output_ids)
{
spa_return_val_if_fail (node != NULL, 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,
uint32_t index)
{
SpaAudioTestSrc *this;
SpaResult res;
SpaFormat *fmt;
uint8_t buffer[256];
SpaPODBuilder b = { NULL, };
SpaPODFrame f[2];
uint32_t count, match;
spa_return_val_if_fail (node != NULL, SPA_RESULT_INVALID_ARGUMENTS);
spa_return_val_if_fail (format != NULL, SPA_RESULT_INVALID_ARGUMENTS);
this = SPA_CONTAINER_OF (node, SpaAudioTestSrc, node);
spa_return_val_if_fail (CHECK_PORT (this, direction, port_id), SPA_RESULT_INVALID_PORT);
count = match = filter ? 0 : index;
next:
spa_pod_builder_init (&b, buffer, sizeof (buffer));
switch (count++) {
case 0:
spa_pod_builder_format (&b, &f[0], this->type.format,
this->type.media_type.audio, this->type.media_subtype.raw,
PROP_U_EN (&f[1], this->type.format_audio.format, SPA_POD_TYPE_ID, 5, this->type.audio_format.S16,
this->type.audio_format.S16,
this->type.audio_format.S32,
this->type.audio_format.F32,
this->type.audio_format.F64),
PROP_U_MM (&f[1], this->type.format_audio.rate, SPA_POD_TYPE_INT, 44100, 1, INT32_MAX),
PROP_U_MM (&f[1], this->type.format_audio.channels, SPA_POD_TYPE_INT, 2, 1, INT32_MAX));
break;
default:
return SPA_RESULT_ENUM_END;
}
fmt = SPA_POD_BUILDER_DEREF (&b, f[0].ref, SpaFormat);
spa_pod_builder_init (&b, this->format_buffer, sizeof (this->format_buffer));
if ((res = spa_format_filter (fmt, filter, &b)) != SPA_RESULT_OK || match++ != index)
goto next;
*format = SPA_POD_BUILDER_DEREF (&b, 0, SpaFormat);
return SPA_RESULT_OK;
}
static SpaResult
clear_buffers (SpaAudioTestSrc *this)
{
if (this->n_buffers > 0) {
spa_log_info (this->log, "audiotestsrc %p: clear buffers", this);
this->n_buffers = 0;
spa_list_init (&this->empty);
this->started = false;
set_timer (this, false);
}
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;
spa_return_val_if_fail (node != NULL, SPA_RESULT_INVALID_ARGUMENTS);
this = SPA_CONTAINER_OF (node, SpaAudioTestSrc, node);
spa_return_val_if_fail (CHECK_PORT (this, direction, port_id), SPA_RESULT_INVALID_PORT);
if (format == NULL) {
this->have_format = false;
clear_buffers (this);
} else {
SpaAudioInfo info = { SPA_FORMAT_MEDIA_TYPE (format),
SPA_FORMAT_MEDIA_SUBTYPE (format), };
int idx;
int sizes[4] = { 2, 4, 4, 8 };
if (info.media_type != this->type.media_type.audio ||
info.media_subtype != this->type.media_subtype.raw)
return SPA_RESULT_INVALID_MEDIA_TYPE;
if (!spa_format_audio_raw_parse (format, &info.info.raw, &this->type.format_audio))
return SPA_RESULT_INVALID_MEDIA_TYPE;
if (info.info.raw.format == this->type.audio_format.S16)
idx = 0;
else if (info.info.raw.format == this->type.audio_format.S32)
idx = 1;
else if (info.info.raw.format == this->type.audio_format.F32)
idx = 2;
else if (info.info.raw.format == this->type.audio_format.F64)
idx = 3;
else
return SPA_RESULT_INVALID_MEDIA_TYPE;
this->bpf = sizes[idx] * info.info.raw.channels;
this->current_format = info;
this->have_format = true;
this->render_func = sine_funcs[idx];
}
if (this->have_format) {
SpaPODBuilder b = { NULL };
SpaPODFrame f[2];
this->info.maxbuffering = -1;
this->info.latency = BYTES_TO_TIME (this, 1024);
this->info.n_params = 2;
this->info.params = this->params;
spa_pod_builder_init (&b, this->params_buffer, sizeof (this->params_buffer));
spa_pod_builder_object (&b, &f[0], 0, this->type.alloc_param_buffers.Buffers,
PROP (&f[1], this->type.alloc_param_buffers.size, SPA_POD_TYPE_INT, 1024 * this->bpf),
PROP (&f[1], this->type.alloc_param_buffers.stride, SPA_POD_TYPE_INT, this->bpf),
PROP_U_MM (&f[1], this->type.alloc_param_buffers.buffers, SPA_POD_TYPE_INT, 32, 2, 32),
PROP (&f[1], this->type.alloc_param_buffers.align, SPA_POD_TYPE_INT, 16));
this->params[0] = SPA_POD_BUILDER_DEREF (&b, f[0].ref, SpaAllocParam);
spa_pod_builder_object (&b, &f[0], 0, this->type.alloc_param_meta_enable.MetaEnable,
PROP (&f[1], this->type.alloc_param_meta_enable.type, SPA_POD_TYPE_INT, SPA_META_TYPE_HEADER));
this->params[1] = SPA_POD_BUILDER_DEREF (&b, f[0].ref, SpaAllocParam);
this->info.extra = 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;
SpaPODBuilder b = { NULL, };
SpaPODFrame f[2];
spa_return_val_if_fail (node != NULL, SPA_RESULT_INVALID_ARGUMENTS);
spa_return_val_if_fail (format != NULL, SPA_RESULT_INVALID_ARGUMENTS);
this = SPA_CONTAINER_OF (node, SpaAudioTestSrc, node);
spa_return_val_if_fail (CHECK_PORT (this, direction, port_id), SPA_RESULT_INVALID_PORT);
if (!this->have_format)
return SPA_RESULT_NO_FORMAT;
spa_pod_builder_init (&b, this->format_buffer, sizeof (this->format_buffer));
spa_pod_builder_format (&b, &f[0], this->type.format,
this->type.media_type.audio, this->type.media_subtype.raw,
PROP (&f[1], this->type.format_audio.format, SPA_POD_TYPE_ID, this->current_format.info.raw.format),
PROP (&f[1], this->type.format_audio.rate, SPA_POD_TYPE_INT, this->current_format.info.raw.rate),
PROP (&f[1], this->type.format_audio.channels, SPA_POD_TYPE_INT, this->current_format.info.raw.channels));
*format = SPA_POD_BUILDER_DEREF (&b, f[0].ref, SpaFormat);
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;
spa_return_val_if_fail (node != NULL, SPA_RESULT_INVALID_ARGUMENTS);
spa_return_val_if_fail (info != NULL, SPA_RESULT_INVALID_ARGUMENTS);
this = SPA_CONTAINER_OF (node, SpaAudioTestSrc, node);
spa_return_val_if_fail (CHECK_PORT (this, direction, port_id), 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;
uint32_t i;
spa_return_val_if_fail (node != NULL, SPA_RESULT_INVALID_ARGUMENTS);
this = SPA_CONTAINER_OF (node, SpaAudioTestSrc, node);
spa_return_val_if_fail (CHECK_PORT (this, direction, port_id), 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 = false;
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) {
spa_log_error (this->log, "audiotestsrc %p: invalid memory on buffer %p", this, buffers[i]);
continue;
}
break;
default:
break;
}
spa_list_insert (this->empty.prev, &b->link);
}
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;
spa_return_val_if_fail (node != NULL, SPA_RESULT_INVALID_ARGUMENTS);
this = SPA_CONTAINER_OF (node, SpaAudioTestSrc, node);
spa_return_val_if_fail (CHECK_PORT (this, direction, port_id), SPA_RESULT_INVALID_PORT);
if (!this->have_format)
return SPA_RESULT_NO_FORMAT;
return SPA_RESULT_NOT_IMPLEMENTED;
}
static SpaResult
spa_audiotestsrc_node_port_set_io (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
SpaPortIO *io)
{
SpaAudioTestSrc *this;
spa_return_val_if_fail (node != NULL, SPA_RESULT_INVALID_ARGUMENTS);
this = SPA_CONTAINER_OF (node, SpaAudioTestSrc, node);
spa_return_val_if_fail (CHECK_PORT (this, direction, port_id), SPA_RESULT_INVALID_PORT);
this->io = io;
return SPA_RESULT_OK;
}
static inline void
reuse_buffer (SpaAudioTestSrc *this, uint32_t id)
{
ATSBuffer *b = &this->buffers[id];
spa_return_if_fail (b->outstanding);
spa_log_trace (this->log, "audiotestsrc %p: reuse buffer %d", this, id);
b->outstanding = false;
spa_list_insert (this->empty.prev, &b->link);
if (!this->props.live)
set_timer (this, true);
}
static SpaResult
spa_audiotestsrc_node_port_reuse_buffer (SpaNode *node,
uint32_t port_id,
uint32_t buffer_id)
{
SpaAudioTestSrc *this;
spa_return_val_if_fail (node != NULL, SPA_RESULT_INVALID_ARGUMENTS);
this = SPA_CONTAINER_OF (node, SpaAudioTestSrc, node);
spa_return_val_if_fail (port_id == 0, SPA_RESULT_INVALID_PORT);
spa_return_val_if_fail (this->n_buffers > 0, SPA_RESULT_NO_BUFFERS);
spa_return_val_if_fail (buffer_id < this->n_buffers, SPA_RESULT_INVALID_BUFFER_ID);
reuse_buffer (this, buffer_id);
return SPA_RESULT_OK;
}
static SpaResult
spa_audiotestsrc_node_port_send_command (SpaNode *node,
SpaDirection direction,
uint32_t port_id,
SpaCommand *command)
{
return SPA_RESULT_NOT_IMPLEMENTED;
}
static SpaResult
spa_audiotestsrc_node_process_input (SpaNode *node)
{
return SPA_RESULT_NOT_IMPLEMENTED;
}
static SpaResult
spa_audiotestsrc_node_process_output (SpaNode *node)
{
SpaAudioTestSrc *this;
spa_return_val_if_fail (node != NULL, SPA_RESULT_INVALID_ARGUMENTS);
this = SPA_CONTAINER_OF (node, SpaAudioTestSrc, node);
if (this->io && this->io->buffer_id != SPA_ID_INVALID) {
reuse_buffer (this, this->io->buffer_id);
this->io->buffer_id = SPA_ID_INVALID;
}
if (!this->async)
return audiotestsrc_make_buffer (this);
else
return SPA_RESULT_OK;
}
static const SpaNode audiotestsrc_node = {
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_set_io,
spa_audiotestsrc_node_port_reuse_buffer,
spa_audiotestsrc_node_port_send_command,
spa_audiotestsrc_node_process_input,
spa_audiotestsrc_node_process_output,
};
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;
spa_return_val_if_fail (clock != NULL, 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 = {
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;
spa_return_val_if_fail (handle != NULL, SPA_RESULT_INVALID_ARGUMENTS);
spa_return_val_if_fail (interface != NULL, SPA_RESULT_INVALID_ARGUMENTS);
this = (SpaAudioTestSrc *) handle;
if (interface_id == this->type.node)
*interface = &this->node;
else if (interface_id == this->type.clock)
*interface = &this->clock;
else
return SPA_RESULT_UNKNOWN_INTERFACE;
return SPA_RESULT_OK;
}
static SpaResult
audiotestsrc_clear (SpaHandle *handle)
{
SpaAudioTestSrc *this;
spa_return_val_if_fail (handle != NULL, SPA_RESULT_INVALID_ARGUMENTS);
this = (SpaAudioTestSrc *) handle;
if (this->data_loop)
spa_loop_remove_source (this->data_loop, &this->timer_source);
close (this->timer_source.fd);
return SPA_RESULT_OK;
}
static SpaResult
audiotestsrc_init (const SpaHandleFactory *factory,
SpaHandle *handle,
const SpaDict *info,
const SpaSupport *support,
uint32_t n_support)
{
SpaAudioTestSrc *this;
uint32_t i;
const char *str;
spa_return_val_if_fail (factory != NULL, SPA_RESULT_INVALID_ARGUMENTS);
spa_return_val_if_fail (handle != NULL, SPA_RESULT_INVALID_ARGUMENTS);
handle->get_interface = spa_audiotestsrc_get_interface;
handle->clear = audiotestsrc_clear;
this = (SpaAudioTestSrc *) handle;
if (info && (str = spa_dict_lookup (info, "asynchronous")))
this->async = atoi (str) == 1;
else
this->async = false;
for (i = 0; i < n_support; i++) {
if (strcmp (support[i].type, SPA_TYPE__TypeMap) == 0)
this->map = support[i].data;
else if (strcmp (support[i].type, SPA_TYPE__Log) == 0)
this->log = support[i].data;
else if (strcmp (support[i].type, SPA_TYPE_LOOP__DataLoop) == 0)
this->data_loop = support[i].data;
}
if (this->map == NULL) {
spa_log_error (this->log, "a type-map is needed");
return SPA_RESULT_ERROR;
}
if (this->data_loop == NULL && this->async) {
spa_log_error (this->log, "a data_loop is needed");
return SPA_RESULT_ERROR;
}
init_type (&this->type, this->map);
this->node = audiotestsrc_node;
this->clock = audiotestsrc_clock;
reset_audiotestsrc_props (this, &this->props);
spa_list_init (&this->empty);
this->timer_source.func = audiotestsrc_on_output;
this->timer_source.data = this;
this->timer_source.fd = timerfd_create (CLOCK_MONOTONIC, TFD_CLOEXEC);
this->timer_source.mask = SPA_IO_IN;
this->timer_source.rmask = 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;
if (this->data_loop)
spa_loop_add_source (this->data_loop, &this->timer_source);
this->info.flags = SPA_PORT_INFO_FLAG_CAN_USE_BUFFERS |
SPA_PORT_INFO_FLAG_NO_REF;
if (this->props.live)
this->info.flags |= SPA_PORT_INFO_FLAG_LIVE;
this->node.state = SPA_NODE_STATE_CONFIGURE;
spa_log_info (this->log, "audiotestsrc %p: initialized, async=%d", this, this->async);
return SPA_RESULT_OK;
}
static const SpaInterfaceInfo audiotestsrc_interfaces[] =
{
{ SPA_TYPE__Node, },
{ SPA_TYPE__Clock, },
};
static SpaResult
audiotestsrc_enum_interface_info (const SpaHandleFactory *factory,
const SpaInterfaceInfo **info,
uint32_t index)
{
spa_return_val_if_fail (factory != NULL, SPA_RESULT_INVALID_ARGUMENTS);
spa_return_val_if_fail (info != NULL, SPA_RESULT_INVALID_ARGUMENTS);
switch (index) {
case 0:
*info = &audiotestsrc_interfaces[index];
break;
default:
return SPA_RESULT_ENUM_END;
}
return SPA_RESULT_OK;
}
const SpaHandleFactory spa_audiotestsrc_factory =
{ "audiotestsrc",
NULL,
sizeof (SpaAudioTestSrc),
audiotestsrc_init,
audiotestsrc_enum_interface_info,
};
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