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-rw-r--r--spa/plugins/test/fakesrc.c876
1 files changed, 876 insertions, 0 deletions
diff --git a/spa/plugins/test/fakesrc.c b/spa/plugins/test/fakesrc.c
new file mode 100644
index 0000000..f414543
--- /dev/null
+++ b/spa/plugins/test/fakesrc.c
@@ -0,0 +1,876 @@
+/* Spa
+ *
+ * Copyright © 2018 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <errno.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+
+#include <spa/support/plugin.h>
+#include <spa/support/log.h>
+#include <spa/support/loop.h>
+#include <spa/utils/list.h>
+#include <spa/utils/result.h>
+#include <spa/utils/string.h>
+#include <spa/node/node.h>
+#include <spa/node/utils.h>
+#include <spa/node/io.h>
+#include <spa/param/param.h>
+#include <spa/param/format.h>
+#include <spa/pod/parser.h>
+#include <spa/pod/filter.h>
+
+#define NAME "fakesrc"
+
+struct props {
+ bool live;
+ uint32_t pattern;
+};
+
+#define MAX_BUFFERS 16
+#define MAX_PORTS 1
+
+struct buffer {
+ uint32_t id;
+ struct spa_buffer *outbuf;
+ bool outstanding;
+ struct spa_meta_header *h;
+ struct spa_list link;
+};
+
+struct port {
+ uint64_t info_all;
+ struct spa_port_info info;
+ struct spa_param_info params[5];
+
+ struct spa_io_buffers *io;
+
+ bool have_format;
+ uint8_t format_buffer[1024];
+
+ struct buffer buffers[MAX_BUFFERS];
+ uint32_t n_buffers;
+
+ struct spa_list empty;
+};
+
+struct impl {
+ struct spa_handle handle;
+ struct spa_node node;
+
+ struct spa_log *log;
+ struct spa_loop *data_loop;
+ struct spa_system *data_system;
+
+ uint64_t info_all;
+ struct spa_node_info info;
+ struct spa_param_info params[1];
+ struct props props;
+
+ struct spa_hook_list hooks;
+ struct spa_callbacks callbacks;
+
+ struct spa_source timer_source;
+ struct itimerspec timerspec;
+
+ bool started;
+ uint64_t start_time;
+ uint64_t elapsed_time;
+
+ uint64_t buffer_count;
+ bool underrun;
+
+ struct port port;
+};
+
+#define CHECK_PORT(this,d,p) ((d) == SPA_DIRECTION_OUTPUT && (p) < MAX_PORTS)
+
+#define DEFAULT_LIVE false
+#define DEFAULT_PATTERN 0
+
+static void reset_props(struct impl *this, struct props *props)
+{
+ props->live = DEFAULT_LIVE;
+ props->pattern = DEFAULT_PATTERN;
+}
+
+static int impl_node_enum_params(void *object, int seq,
+ uint32_t id, uint32_t start, uint32_t num,
+ const struct spa_pod *filter)
+{
+ struct impl *this = object;
+ struct spa_pod_builder b = { 0 };
+ uint8_t buffer[1024];
+ struct spa_pod *param;
+ struct spa_result_node_params result;
+ uint32_t count = 0;
+
+ spa_return_val_if_fail(this != NULL, -EINVAL);
+ spa_return_val_if_fail(num != 0, -EINVAL);
+
+ result.id = id;
+ result.next = start;
+ next:
+ result.index = result.next++;
+
+ spa_pod_builder_init(&b, buffer, sizeof(buffer));
+
+ switch (id) {
+ case SPA_PARAM_Props:
+ {
+ struct props *p = &this->props;
+
+ if (result.index > 0)
+ return 0;
+
+ param = spa_pod_builder_add_object(&b,
+ SPA_TYPE_OBJECT_Props, id,
+ SPA_PROP_live, SPA_POD_Bool(p->live),
+ SPA_PROP_patternType, SPA_POD_CHOICE_ENUM_Id(2, p->pattern, p->pattern));
+ break;
+ }
+ default:
+ return -ENOENT;
+ }
+
+ if (spa_pod_filter(&b, &result.param, param, filter) < 0)
+ goto next;
+
+ spa_node_emit_result(&this->hooks, seq, 0, SPA_RESULT_TYPE_NODE_PARAMS, &result);
+
+ if (++count != num)
+ goto next;
+
+ return 0;
+}
+
+static int impl_node_set_io(void *object, uint32_t id, void *data, size_t size)
+{
+ return -ENOTSUP;
+}
+
+static int impl_node_set_param(void *object, uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct impl *this = object;
+
+ spa_return_val_if_fail(this != NULL, -EINVAL);
+
+ switch (id) {
+ case SPA_PARAM_Props:
+ {
+ struct props *p = &this->props;
+ struct port *port = &this->port;
+
+ if (param == NULL) {
+ reset_props(this, p);
+ return 0;
+ }
+ spa_pod_parse_object(param,
+ SPA_TYPE_OBJECT_Props, NULL,
+ SPA_PROP_live, SPA_POD_OPT_Bool(&p->live),
+ SPA_PROP_patternType, SPA_POD_OPT_Id(&p->pattern));
+
+ if (p->live)
+ port->info.flags |= SPA_PORT_FLAG_LIVE;
+ else
+ port->info.flags &= ~SPA_PORT_FLAG_LIVE;
+ break;
+ }
+ default:
+ return -ENOENT;
+ }
+ return 0;
+}
+
+static int fill_buffer(struct impl *this, struct buffer *b)
+{
+ return 0;
+}
+
+static void set_timer(struct impl *this, bool enabled)
+{
+ if (this->callbacks.funcs || 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;
+ }
+ spa_system_timerfd_settime(this->data_system,
+ this->timer_source.fd, SPA_FD_TIMER_ABSTIME, &this->timerspec, NULL);
+ }
+}
+
+static inline int read_timer(struct impl *this)
+{
+ uint64_t expirations;
+ int res = 0;
+
+ if (this->callbacks.funcs || this->props.live) {
+ if ((res = spa_system_timerfd_read(this->data_system,
+ this->timer_source.fd, &expirations)) < 0) {
+ if (res != -EAGAIN)
+ spa_log_error(this->log, NAME " %p: timerfd error: %s",
+ this, spa_strerror(res));
+ }
+ }
+ return res;
+}
+
+static int make_buffer(struct impl *this)
+{
+ struct buffer *b;
+ struct port *port = &this->port;
+ struct spa_io_buffers *io = port->io;
+ int n_bytes;
+
+ if (read_timer(this) < 0)
+ return 0;
+
+ if (spa_list_is_empty(&port->empty)) {
+ set_timer(this, false);
+ this->underrun = true;
+ spa_log_error(this->log, NAME " %p: out of buffers", this);
+ return -EPIPE;
+ }
+ b = spa_list_first(&port->empty, struct buffer, link);
+ spa_list_remove(&b->link);
+ b->outstanding = true;
+
+ n_bytes = b->outbuf->datas[0].maxsize;
+
+ spa_log_trace(this->log, NAME " %p: dequeue buffer %d", this, b->id);
+
+ fill_buffer(this, b);
+
+ b->outbuf->datas[0].chunk->offset = 0;
+ b->outbuf->datas[0].chunk->size = n_bytes;
+ b->outbuf->datas[0].chunk->stride = n_bytes;
+
+ if (b->h) {
+ b->h->seq = this->buffer_count;
+ b->h->pts = this->start_time + this->elapsed_time;
+ b->h->dts_offset = 0;
+ }
+
+ this->buffer_count++;
+ this->elapsed_time = this->buffer_count;
+ set_timer(this, true);
+
+ io->buffer_id = b->id;
+ io->status = SPA_STATUS_HAVE_DATA;
+
+ return SPA_STATUS_HAVE_DATA;
+}
+
+static void on_output(struct spa_source *source)
+{
+ struct impl *this = source->data;
+ int res;
+
+ res = make_buffer(this);
+
+ if (res == SPA_STATUS_HAVE_DATA && this->callbacks.funcs)
+ spa_node_call_ready(&this->callbacks, res);
+}
+
+static int impl_node_send_command(void *object, const struct spa_command *command)
+{
+ struct impl *this = object;
+ struct port *port;
+
+ spa_return_val_if_fail(this != NULL, -EINVAL);
+ spa_return_val_if_fail(command != NULL, -EINVAL);
+
+ port = &this->port;
+
+ switch (SPA_NODE_COMMAND_ID(command)) {
+ case SPA_NODE_COMMAND_Start:
+ {
+ struct timespec now;
+
+ if (!port->have_format)
+ return -EIO;
+
+ if (port->n_buffers == 0)
+ return -EIO;
+
+ if (this->started)
+ return 0;
+
+ clock_gettime(CLOCK_MONOTONIC, &now);
+ if (this->props.live)
+ this->start_time = SPA_TIMESPEC_TO_NSEC(&now);
+ else
+ this->start_time = 0;
+ this->buffer_count = 0;
+ this->elapsed_time = 0;
+
+ this->started = true;
+ set_timer(this, true);
+ break;
+ }
+ case SPA_NODE_COMMAND_Pause:
+ if (!port->have_format)
+ return -EIO;
+ if (port->n_buffers == 0)
+ return -EIO;
+
+ if (!this->started)
+ return 0;
+
+ this->started = false;
+ set_timer(this, false);
+ break;
+ default:
+ return -ENOTSUP;
+ }
+ return 0;
+}
+
+static void emit_node_info(struct impl *this, bool full)
+{
+ uint64_t old = full ? this->info.change_mask : 0;
+ if (full)
+ this->info.change_mask = this->info_all;
+ if (this->info.change_mask) {
+ spa_node_emit_info(&this->hooks, &this->info);
+ this->info.change_mask = old;
+ }
+}
+
+static void emit_port_info(struct impl *this, struct port *port, bool full)
+{
+ uint64_t old = full ? port->info.change_mask : 0;
+ if (full)
+ port->info.change_mask = port->info_all;
+ if (port->info.change_mask) {
+ spa_node_emit_port_info(&this->hooks,
+ SPA_DIRECTION_OUTPUT, 0, &port->info);
+ port->info.change_mask = old;
+ }
+}
+
+static int impl_node_add_listener(void *object,
+ struct spa_hook *listener,
+ const struct spa_node_events *events,
+ void *data)
+{
+ struct impl *this = object;
+ struct spa_hook_list save;
+
+ spa_return_val_if_fail(this != NULL, -EINVAL);
+
+ spa_hook_list_isolate(&this->hooks, &save, listener, events, data);
+
+ emit_node_info(this, true);
+ emit_port_info(this, &this->port, true);
+
+ spa_hook_list_join(&this->hooks, &save);
+
+ return 0;
+}
+
+static int
+impl_node_set_callbacks(void *object,
+ const struct spa_node_callbacks *callbacks,
+ void *data)
+{
+ struct impl *this = object;
+
+ spa_return_val_if_fail(this != NULL, -EINVAL);
+
+ if (this->data_loop == NULL && callbacks != NULL) {
+ spa_log_error(this->log, "a data_loop is needed for async operation");
+ return -EINVAL;
+ }
+ this->callbacks = SPA_CALLBACKS_INIT(callbacks, data);
+
+ return 0;
+}
+
+static int impl_node_add_port(void *object, enum spa_direction direction, uint32_t port_id,
+ const struct spa_dict *props)
+{
+ return -ENOTSUP;
+}
+
+static int
+impl_node_remove_port(void *object, enum spa_direction direction, uint32_t port_id)
+{
+ return -ENOTSUP;
+}
+
+static int port_enum_formats(struct impl *this, struct port *port,
+ uint32_t index,
+ const struct spa_pod *filter,
+ struct spa_pod **param,
+ struct spa_pod_builder *builder)
+{
+ return 0;
+}
+
+static int port_get_format(struct impl *this, struct port *port,
+ uint32_t index,
+ const struct spa_pod *filter,
+ struct spa_pod **param,
+ struct spa_pod_builder *builder)
+{
+ if (!port->have_format)
+ return -EIO;
+ if (index > 0)
+ return 0;
+
+ *param = SPA_PTROFF(port->format_buffer, 0, struct spa_pod);
+
+ return 1;
+}
+
+static int
+impl_node_port_enum_params(void *object, int seq,
+ enum spa_direction direction, uint32_t port_id,
+ uint32_t id, uint32_t start, uint32_t num,
+ const struct spa_pod *filter)
+{
+ struct impl *this = object;
+ struct port *port;
+ struct spa_pod_builder b = { 0 };
+ uint8_t buffer[1024];
+ struct spa_pod *param;
+ struct spa_result_node_params result;
+ uint32_t count = 0;
+ int res;
+
+ spa_return_val_if_fail(this != NULL, -EINVAL);
+ spa_return_val_if_fail(num != 0, -EINVAL);
+ spa_return_val_if_fail(CHECK_PORT(node, direction, port_id), -EINVAL);
+ port = &this->port;
+
+ result.id = id;
+ result.next = start;
+ next:
+ result.index = result.next++;
+
+ spa_pod_builder_init(&b, buffer, sizeof(buffer));
+
+ switch (id) {
+ case SPA_PARAM_EnumFormat:
+ if ((res = port_enum_formats(this, port,
+ result.index, filter, &param, &b)) <= 0)
+ return res;
+ break;
+ case SPA_PARAM_Format:
+ if ((res = port_get_format(this, port,
+ result.index, filter, &param, &b)) <= 0)
+ return res;
+ break;
+ case SPA_PARAM_Buffers:
+ switch (result.index) {
+ case 0:
+ param = spa_pod_builder_add_object(&b,
+ SPA_TYPE_OBJECT_ParamBuffers, id,
+ SPA_PARAM_BUFFERS_buffers, SPA_POD_CHOICE_RANGE_Int(32, 2, 32),
+ SPA_PARAM_BUFFERS_blocks, SPA_POD_Int(1),
+ SPA_PARAM_BUFFERS_size, SPA_POD_Int(128),
+ SPA_PARAM_BUFFERS_stride, SPA_POD_Int(1));
+ break;
+ default:
+ return 0;
+ }
+ break;
+ case SPA_PARAM_Meta:
+ switch (result.index) {
+ case 0:
+ param = spa_pod_builder_add_object(&b,
+ SPA_TYPE_OBJECT_ParamMeta, id,
+ SPA_PARAM_META_type, SPA_POD_Id(SPA_META_Header),
+ SPA_PARAM_META_size, SPA_POD_Int(sizeof(struct spa_meta_header)));
+ break;
+ default:
+ return 0;
+ }
+ break;
+ default:
+ return -ENOENT;
+ }
+
+ if (spa_pod_filter(&b, &result.param, param, filter) < 0)
+ goto next;
+
+ spa_node_emit_result(&this->hooks, seq, 0, SPA_RESULT_TYPE_NODE_PARAMS, &result);
+
+ if (++count != num)
+ goto next;
+
+ return 0;
+}
+
+static int clear_buffers(struct impl *this, struct port *port)
+{
+ if (port->n_buffers > 0) {
+ spa_log_debug(this->log, NAME " %p: clear buffers", this);
+ port->n_buffers = 0;
+ spa_list_init(&port->empty);
+ this->started = false;
+ set_timer(this, false);
+ }
+ return 0;
+}
+
+static int port_set_format(struct impl *this, struct port *port,
+ uint32_t flags,
+ const struct spa_pod *format)
+{
+ if (format == NULL) {
+ port->have_format = false;
+ clear_buffers(this, port);
+ } else {
+ if (SPA_POD_SIZE(format) > sizeof(port->format_buffer))
+ return -ENOSPC;
+ memcpy(port->format_buffer, format, SPA_POD_SIZE(format));
+ port->have_format = true;
+ }
+ return 0;
+}
+
+static int
+impl_node_port_set_param(void *object,
+ enum spa_direction direction, uint32_t port_id,
+ uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct impl *this = object;
+ struct port *port;
+
+ spa_return_val_if_fail(this != NULL, -EINVAL);
+ spa_return_val_if_fail(CHECK_PORT(node, direction, port_id), -EINVAL);
+ port = &this->port;
+
+ if (id == SPA_PARAM_Format) {
+ return port_set_format(this, port, flags, param);
+ }
+ else
+ return -ENOENT;
+}
+
+static int
+impl_node_port_use_buffers(void *object,
+ enum spa_direction direction, uint32_t flags,
+ uint32_t port_id,
+ struct spa_buffer **buffers, uint32_t n_buffers)
+{
+ struct impl *this = object;
+ struct port *port;
+ uint32_t i;
+
+ spa_return_val_if_fail(this != NULL, -EINVAL);
+ spa_return_val_if_fail(CHECK_PORT(this, direction, port_id), -EINVAL);
+ port = &this->port;
+
+ clear_buffers(this, port);
+
+ if (n_buffers > 0 && !port->have_format)
+ return -EIO;
+ if (n_buffers > MAX_BUFFERS)
+ return -ENOSPC;
+
+ for (i = 0; i < n_buffers; i++) {
+ struct buffer *b;
+ struct spa_data *d = buffers[i]->datas;
+
+ b = &port->buffers[i];
+ b->id = i;
+ b->outbuf = buffers[i];
+ b->outstanding = false;
+ b->h = spa_buffer_find_meta_data(buffers[i], SPA_META_Header, sizeof(*b->h));
+
+ if (d[0].data == NULL) {
+ spa_log_error(this->log, NAME " %p: invalid memory on buffer %p", this,
+ buffers[i]);
+ }
+ spa_list_append(&port->empty, &b->link);
+ }
+ port->n_buffers = n_buffers;
+ this->underrun = false;
+
+ return 0;
+}
+
+static int
+impl_node_port_set_io(void *object,
+ enum spa_direction direction,
+ uint32_t port_id,
+ uint32_t id,
+ void *data, size_t size)
+{
+ struct impl *this = object;
+ struct port *port;
+
+ spa_return_val_if_fail(this != NULL, -EINVAL);
+ spa_return_val_if_fail(CHECK_PORT(this, direction, port_id), -EINVAL);
+ port = &this->port;
+
+ if (id == SPA_IO_Buffers)
+ port->io = data;
+ else
+ return -ENOENT;
+
+ return 0;
+}
+
+static inline void reuse_buffer(struct impl *this, struct port *port, uint32_t id)
+{
+ struct buffer *b = &port->buffers[id];
+ spa_return_if_fail(b->outstanding);
+
+ spa_log_trace(this->log, NAME " %p: reuse buffer %d", this, id);
+
+ b->outstanding = false;
+ spa_list_append(&port->empty, &b->link);
+
+ if (this->underrun) {
+ set_timer(this, true);
+ this->underrun = false;
+ }
+}
+
+static int impl_node_port_reuse_buffer(void *object, uint32_t port_id, uint32_t buffer_id)
+{
+ struct impl *this = object;
+ struct port *port;
+
+ spa_return_val_if_fail(this != NULL, -EINVAL);
+ spa_return_val_if_fail(port_id == 0, -EINVAL);
+ port = &this->port;
+
+ spa_return_val_if_fail(buffer_id < port->n_buffers, -EINVAL);
+
+ reuse_buffer(this, port, buffer_id);
+
+ return 0;
+}
+
+static int impl_node_process(void *object)
+{
+ struct impl *this = object;
+ struct port *port;
+ struct spa_io_buffers *io;
+
+ spa_return_val_if_fail(this != NULL, -EINVAL);
+
+ port = &this->port;
+ if ((io = port->io) == NULL)
+ return -EIO;
+
+ if (io->status == SPA_STATUS_HAVE_DATA)
+ return SPA_STATUS_HAVE_DATA;
+
+ if (io->buffer_id < port->n_buffers) {
+ reuse_buffer(this, port, io->buffer_id);
+ io->buffer_id = SPA_ID_INVALID;
+ }
+
+ if (this->callbacks.funcs == NULL)
+ return make_buffer(this);
+ else
+ return SPA_STATUS_OK;
+}
+
+static const struct spa_node_methods impl_node = {
+ SPA_VERSION_NODE_METHODS,
+ .add_listener = impl_node_add_listener,
+ .set_callbacks = impl_node_set_callbacks,
+ .enum_params = impl_node_enum_params,
+ .set_param = impl_node_set_param,
+ .set_io = impl_node_set_io,
+ .send_command = impl_node_send_command,
+ .add_port = impl_node_add_port,
+ .remove_port = impl_node_remove_port,
+ .port_enum_params = impl_node_port_enum_params,
+ .port_set_param = impl_node_port_set_param,
+ .port_use_buffers = impl_node_port_use_buffers,
+ .port_set_io = impl_node_port_set_io,
+ .port_reuse_buffer = impl_node_port_reuse_buffer,
+ .process = impl_node_process,
+};
+
+static int impl_get_interface(struct spa_handle *handle, const char *type, void **interface)
+{
+ struct impl *this;
+
+ spa_return_val_if_fail(handle != NULL, -EINVAL);
+ spa_return_val_if_fail(interface != NULL, -EINVAL);
+
+ this = (struct impl *) handle;
+
+ if (spa_streq(type, SPA_TYPE_INTERFACE_Node))
+ *interface = &this->node;
+ else
+ return -ENOENT;
+
+ return 0;
+}
+
+static int do_remove_timer(struct spa_loop *loop, bool async, uint32_t seq, const void *data, size_t size, void *user_data)
+{
+ struct impl *this = user_data;
+ spa_loop_remove_source(this->data_loop, &this->timer_source);
+ return 0;
+}
+
+static int impl_clear(struct spa_handle *handle)
+{
+ struct impl *this;
+
+ spa_return_val_if_fail(handle != NULL, -EINVAL);
+
+ this = (struct impl *) handle;
+
+ if (this->data_loop)
+ spa_loop_invoke(this->data_loop, do_remove_timer, 0, NULL, 0, true, this);
+ spa_system_close(this->data_system, this->timer_source.fd);
+
+ return 0;
+}
+
+static size_t
+impl_get_size(const struct spa_handle_factory *factory,
+ const struct spa_dict *params)
+{
+ return sizeof(struct impl);
+}
+
+static int
+impl_init(const struct spa_handle_factory *factory,
+ struct spa_handle *handle,
+ const struct spa_dict *info,
+ const struct spa_support *support,
+ uint32_t n_support)
+{
+ struct impl *this;
+ struct port *port;
+
+ spa_return_val_if_fail(factory != NULL, -EINVAL);
+ spa_return_val_if_fail(handle != NULL, -EINVAL);
+
+ handle->get_interface = impl_get_interface;
+ handle->clear = impl_clear;
+
+ this = (struct impl *) handle;
+
+ this->log = spa_support_find(support, n_support, SPA_TYPE_INTERFACE_Log);
+ this->data_loop = spa_support_find(support, n_support, SPA_TYPE_INTERFACE_DataLoop);
+ this->data_system = spa_support_find(support, n_support, SPA_TYPE_INTERFACE_DataSystem);
+
+ spa_hook_list_init(&this->hooks);
+
+ this->node.iface = SPA_INTERFACE_INIT(
+ SPA_TYPE_INTERFACE_Node,
+ SPA_VERSION_NODE,
+ &impl_node, this);
+ this->info_all = SPA_NODE_CHANGE_MASK_FLAGS |
+ SPA_NODE_CHANGE_MASK_PARAMS;
+ this->info = SPA_NODE_INFO_INIT();
+ this->info.max_input_ports = 0;
+ this->info.max_output_ports = 1;
+ this->info.flags = SPA_NODE_FLAG_RT;
+ this->params[0] = SPA_PARAM_INFO(SPA_PARAM_Props, SPA_PARAM_INFO_READWRITE);
+ this->info.params = this->params;
+ this->info.n_params = 1;
+ reset_props(this, &this->props);
+
+ this->timer_source.func = on_output;
+ this->timer_source.data = this;
+ this->timer_source.fd = spa_system_timerfd_create(this->data_system, CLOCK_MONOTONIC,
+ SPA_FD_CLOEXEC | SPA_FD_NONBLOCK);
+ 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);
+
+ port = &this->port;
+ port->info_all = SPA_PORT_CHANGE_MASK_FLAGS |
+ SPA_PORT_CHANGE_MASK_PARAMS;
+ port->info = SPA_PORT_INFO_INIT();
+ port->info.flags = SPA_PORT_FLAG_NO_REF;
+ if (this->props.live)
+ port->info.flags |= SPA_PORT_FLAG_LIVE;
+ port->params[0] = SPA_PARAM_INFO(SPA_PARAM_Meta, SPA_PARAM_INFO_READ);
+ port->params[1] = SPA_PARAM_INFO(SPA_PARAM_IO, 0);
+ port->params[2] = SPA_PARAM_INFO(SPA_PARAM_Format, SPA_PARAM_INFO_WRITE);
+ port->params[3] = SPA_PARAM_INFO(SPA_PARAM_Buffers, 0);
+ port->info.params = port->params;
+ port->info.n_params = 4;
+
+ spa_list_init(&port->empty);
+
+ return 0;
+}
+
+static const struct spa_interface_info impl_interfaces[] = {
+ {SPA_TYPE_INTERFACE_Node,},
+};
+
+static int
+impl_enum_interface_info(const struct spa_handle_factory *factory,
+ const struct spa_interface_info **info,
+ uint32_t *index)
+{
+ spa_return_val_if_fail(factory != NULL, -EINVAL);
+ spa_return_val_if_fail(info != NULL, -EINVAL);
+ spa_return_val_if_fail(index != NULL, -EINVAL);
+
+ switch (*index) {
+ case 0:
+ *info = &impl_interfaces[*index];
+ break;
+ default:
+ return 0;
+ }
+ (*index)++;
+ return 1;
+}
+
+const struct spa_handle_factory spa_fakesrc_factory = {
+ SPA_VERSION_HANDLE_FACTORY,
+ NAME,
+ NULL,
+ impl_get_size,
+ impl_init,
+ impl_enum_interface_info,
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 09:03:58 +0000