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-rw-r--r--spa/plugins/audioconvert/test-source.c931
1 files changed, 931 insertions, 0 deletions
diff --git a/spa/plugins/audioconvert/test-source.c b/spa/plugins/audioconvert/test-source.c
new file mode 100644
index 0000000..b352323
--- /dev/null
+++ b/spa/plugins/audioconvert/test-source.c
@@ -0,0 +1,931 @@
+/* Spa
+ *
+ * Copyright © 2019 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 <string.h>
+#include <stdio.h>
+
+#include <spa/support/plugin.h>
+#include <spa/support/log.h>
+#include <spa/support/cpu.h>
+#include <spa/utils/list.h>
+#include <spa/utils/names.h>
+#include <spa/utils/string.h>
+#include <spa/node/node.h>
+#include <spa/node/io.h>
+#include <spa/node/utils.h>
+#include <spa/param/audio/format-utils.h>
+#include <spa/param/param.h>
+#include <spa/pod/filter.h>
+#include <spa/debug/types.h>
+
+#define NAME "test-source"
+
+#define DEFAULT_RATE 44100
+#define DEFAULT_CHANNELS 2
+
+#define MAX_BUFFERS 32
+
+struct impl;
+
+#define DEFAULT_MUTE false
+#define DEFAULT_VOLUME 1.0f
+
+struct props {
+ float volume;
+ bool mute;
+};
+
+static void props_reset(struct props *props)
+{
+ props->mute = DEFAULT_MUTE;
+ props->volume = DEFAULT_VOLUME;
+}
+
+struct buffer {
+ uint32_t id;
+#define BUFFER_FLAG_OUT (1 << 0)
+ uint32_t flags;
+ struct spa_list link;
+ struct spa_buffer *outbuf;
+ struct spa_meta_header *h;
+};
+
+struct port {
+ uint32_t direction;
+ uint32_t id;
+
+ uint64_t info_all;
+ struct spa_port_info info;
+ struct spa_param_info params[8];
+
+ struct spa_io_buffers *io;
+
+ struct spa_audio_info format;
+ uint32_t stride;
+ uint32_t blocks;
+ uint32_t size;
+ unsigned int have_format:1;
+
+ struct buffer buffers[MAX_BUFFERS];
+ uint32_t n_buffers;
+
+ struct spa_list queue;
+};
+
+struct impl {
+ struct spa_handle handle;
+ struct spa_node node;
+
+ struct spa_log *log;
+
+ uint32_t quantum_limit;
+
+ struct spa_hook_list hooks;
+
+ uint64_t info_all;
+ struct spa_node_info info;
+ struct props props;
+ struct spa_param_info params[8];
+
+ struct spa_io_clock *clock;
+ struct spa_io_position *position;
+
+ struct port out_port;
+
+ unsigned int started:1;
+};
+
+#define CHECK_PORT(this,d,id) (d == SPA_DIRECTION_OUTPUT && id == 0)
+#define GET_OUT_PORT(this,id) (&this->out_port)
+#define GET_PORT(this,d,id) (d == SPA_DIRECTION_OUTPUT ? GET_OUT_PORT(this,id) : NULL)
+
+static void emit_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,
+ port->direction, port->id, &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_log_trace(this->log, NAME" %p: add listener %p", this, listener);
+ spa_hook_list_isolate(&this->hooks, &save, listener, events, data);
+
+ emit_info(this, true);
+ emit_port_info(this, GET_OUT_PORT(this, 0), 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 *user_data)
+{
+ return 0;
+}
+
+static int impl_node_sync(void *object, int seq)
+{
+ struct impl *this = object;
+
+ spa_return_val_if_fail(this != NULL, -EINVAL);
+
+ spa_node_emit_result(&this->hooks, seq, 0, 0, NULL);
+
+ return 0;
+}
+
+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 *param;
+ struct spa_pod_builder b = { 0 };
+ uint8_t buffer[1024];
+ 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_PropInfo:
+ {
+ struct props *p = &this->props;
+
+ switch (result.index) {
+ case 0:
+ param = spa_pod_builder_add_object(&b,
+ SPA_TYPE_OBJECT_PropInfo, id,
+ SPA_PROP_INFO_id, SPA_POD_Id(SPA_PROP_volume),
+ SPA_PROP_INFO_description, SPA_POD_String("Volume"),
+ SPA_PROP_INFO_type, SPA_POD_CHOICE_RANGE_Float(p->volume, 0.0, 10.0));
+ break;
+ case 1:
+ param = spa_pod_builder_add_object(&b,
+ SPA_TYPE_OBJECT_PropInfo, id,
+ SPA_PROP_INFO_id, SPA_POD_Id(SPA_PROP_mute),
+ SPA_PROP_INFO_description, SPA_POD_String("Mute"),
+ SPA_PROP_INFO_type, SPA_POD_CHOICE_Bool(p->mute));
+ break;
+ default:
+ return 0;
+ }
+ break;
+ }
+ case SPA_PARAM_Props:
+ {
+ struct props *p = &this->props;
+
+ switch (result.index) {
+ case 0:
+ param = spa_pod_builder_add_object(&b,
+ SPA_TYPE_OBJECT_Props, id,
+ SPA_PROP_volume, SPA_POD_Float(p->volume),
+ SPA_PROP_mute, SPA_POD_Bool(p->mute));
+ 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 apply_props(struct impl *this, const struct spa_pod *param)
+{
+ struct spa_pod_prop *prop;
+ struct spa_pod_object *obj = (struct spa_pod_object *) param;
+ struct props *p = &this->props;
+ int changed = 0;
+
+ SPA_POD_OBJECT_FOREACH(obj, prop) {
+ switch (prop->key) {
+ case SPA_PROP_volume:
+ if (spa_pod_get_float(&prop->value, &p->volume) == 0)
+ changed++;
+ break;
+ case SPA_PROP_mute:
+ if (spa_pod_get_bool(&prop->value, &p->mute) == 0)
+ changed++;
+ break;
+ default:
+ break;
+ }
+ }
+ return changed;
+}
+
+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:
+ if (param == NULL) {
+ props_reset(&this->props);
+ return 0;
+ }
+ if (apply_props(this, param) > 0) {
+ this->info.change_mask = SPA_NODE_CHANGE_MASK_PARAMS;
+ this->params[1].flags ^= SPA_PARAM_INFO_SERIAL;
+ emit_info(this, false);
+ }
+ break;
+ default:
+ return -ENOENT;
+ }
+ return 0;
+}
+
+static int impl_node_set_io(void *object, uint32_t id, void *data, size_t size)
+{
+ struct impl *this = object;
+
+ spa_return_val_if_fail(this != NULL, -EINVAL);
+
+ switch (id) {
+ case SPA_IO_Clock:
+ this->clock = data;
+ break;
+ case SPA_IO_Position:
+ this->position = data;
+ break;
+ default:
+ return -ENOENT;
+ }
+ return 0;
+}
+
+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 = GET_OUT_PORT(this, 0);
+
+ switch (SPA_NODE_COMMAND_ID(command)) {
+ case SPA_NODE_COMMAND_Start:
+
+ if (!port->have_format)
+ return -EIO;
+ if (port->n_buffers == 0)
+ return -EIO;
+
+ this->started = true;
+ break;
+ case SPA_NODE_COMMAND_Pause:
+ this->started = false;
+ break;
+ default:
+ return -ENOTSUP;
+ }
+ 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(void *object,
+ enum spa_direction direction, uint32_t port_id,
+ uint32_t index,
+ struct spa_pod **param,
+ struct spa_pod_builder *builder)
+{
+ switch (index) {
+ case 0:
+ *param = spa_pod_builder_add_object(builder,
+ SPA_TYPE_OBJECT_Format, SPA_PARAM_EnumFormat,
+ SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_audio),
+ SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_raw),
+ SPA_FORMAT_AUDIO_format, SPA_POD_Id(SPA_AUDIO_FORMAT_S16),
+ SPA_FORMAT_AUDIO_rate, SPA_POD_CHOICE_RANGE_Int(DEFAULT_RATE, 1, INT32_MAX),
+ SPA_FORMAT_AUDIO_channels, SPA_POD_CHOICE_RANGE_Int(DEFAULT_CHANNELS, 1, INT32_MAX));
+ break;
+ case 1:
+ *param = spa_pod_builder_add_object(builder,
+ SPA_TYPE_OBJECT_Format, SPA_PARAM_EnumFormat,
+ SPA_FORMAT_mediaType, SPA_POD_Id(SPA_MEDIA_TYPE_audio),
+ SPA_FORMAT_mediaSubtype, SPA_POD_Id(SPA_MEDIA_SUBTYPE_raw),
+ SPA_FORMAT_AUDIO_format, SPA_POD_Id(SPA_AUDIO_FORMAT_S32),
+ SPA_FORMAT_AUDIO_rate, SPA_POD_CHOICE_RANGE_Int(DEFAULT_RATE, 1, INT32_MAX),
+ SPA_FORMAT_AUDIO_channels, SPA_POD_CHOICE_RANGE_Int(DEFAULT_CHANNELS, 1, INT32_MAX));
+ break;
+ default:
+ return 0;
+ }
+ 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 *param;
+ struct spa_pod_builder b = { 0 };
+ uint8_t buffer[1024];
+ 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(this, direction, port_id), -EINVAL);
+
+ port = GET_PORT(this, direction, port_id);
+
+ 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, direction, port_id,
+ result.index, &param, &b)) <= 0)
+ return res;
+ break;
+
+ case SPA_PARAM_Format:
+ if (!port->have_format)
+ return -EIO;
+ if (result.index > 0)
+ return 0;
+
+ param = spa_format_audio_raw_build(&b, id, &port->format.info.raw);
+ break;
+
+ case SPA_PARAM_Buffers:
+ {
+ if (!port->have_format)
+ return -EIO;
+ if (result.index > 0)
+ return 0;
+
+ param = spa_pod_builder_add_object(&b,
+ SPA_TYPE_OBJECT_ParamBuffers, id,
+ SPA_PARAM_BUFFERS_buffers, SPA_POD_CHOICE_RANGE_Int(2, 1, MAX_BUFFERS),
+ SPA_PARAM_BUFFERS_blocks, SPA_POD_Int(port->blocks),
+ SPA_PARAM_BUFFERS_size, SPA_POD_CHOICE_RANGE_Int(
+ this->quantum_limit * port->stride,
+ 16 * port->stride,
+ INT32_MAX),
+ SPA_PARAM_BUFFERS_stride, SPA_POD_Int(port->stride));
+ 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;
+
+ case SPA_PARAM_IO:
+ switch (result.index) {
+ case 0:
+ param = spa_pod_builder_add_object(&b,
+ SPA_TYPE_OBJECT_ParamIO, id,
+ SPA_PARAM_IO_id, SPA_POD_Id(SPA_IO_Buffers),
+ SPA_PARAM_IO_size, SPA_POD_Int(sizeof(struct spa_io_buffers)));
+ break;
+ case 1:
+ param = spa_pod_builder_add_object(&b,
+ SPA_TYPE_OBJECT_ParamIO, id,
+ SPA_PARAM_IO_id, SPA_POD_Id(SPA_IO_Clock),
+ SPA_PARAM_IO_size, SPA_POD_Int(sizeof(struct spa_io_clock)));
+ 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 %p", this, port);
+ port->n_buffers = 0;
+ spa_list_init(&port->queue);
+ }
+ return 0;
+}
+
+static int calc_width(struct spa_audio_info *info)
+{
+ switch (info->info.raw.format) {
+ case SPA_AUDIO_FORMAT_U8P:
+ case SPA_AUDIO_FORMAT_U8:
+ return 1;
+ case SPA_AUDIO_FORMAT_S16P:
+ case SPA_AUDIO_FORMAT_S16:
+ case SPA_AUDIO_FORMAT_S16_OE:
+ return 2;
+ case SPA_AUDIO_FORMAT_S24P:
+ case SPA_AUDIO_FORMAT_S24:
+ case SPA_AUDIO_FORMAT_S24_OE:
+ return 3;
+ case SPA_AUDIO_FORMAT_S32P:
+ case SPA_AUDIO_FORMAT_S32:
+ case SPA_AUDIO_FORMAT_S32_OE:
+ return 4;
+ default:
+ return 0;
+ }
+}
+
+static int port_set_format(void *object,
+ enum spa_direction direction,
+ uint32_t port_id,
+ uint32_t flags,
+ const struct spa_pod *format)
+{
+ struct impl *this = object;
+ struct port *port;
+ int res;
+
+ port = GET_PORT(this, direction, port_id);
+
+ if (format == NULL) {
+ if (port->have_format) {
+ port->have_format = false;
+ clear_buffers(this, port);
+ }
+ } else {
+ struct spa_audio_info info = { 0 };
+
+ if ((res = spa_format_parse(format, &info.media_type, &info.media_subtype)) < 0)
+ return res;
+
+ if (info.media_type != SPA_MEDIA_TYPE_audio ||
+ info.media_subtype != SPA_MEDIA_SUBTYPE_raw)
+ return -EINVAL;
+
+ if ((res = spa_format_audio_raw_parse(format, &info.info.raw)) < 0)
+ return res;
+
+ port->stride = calc_width(&info);
+ if (port->stride == 0)
+ return -EINVAL;
+ if (info.info.raw.rate == 0 ||
+ info.info.raw.channels == 0)
+ return -EINVAL;
+
+ if (SPA_AUDIO_FORMAT_IS_PLANAR(info.info.raw.format)) {
+ port->blocks = info.info.raw.channels;
+ }
+ else {
+ port->stride *= info.info.raw.channels;
+ port->blocks = 1;
+ }
+ port->have_format = true;
+ port->format = info;
+
+ spa_log_debug(this->log, NAME " %p: set format on port %d %d", this, port_id, res);
+ }
+
+ port->info.change_mask |= SPA_PORT_CHANGE_MASK_PARAMS;
+ if (port->have_format) {
+ port->params[3] = SPA_PARAM_INFO(SPA_PARAM_Format, SPA_PARAM_INFO_READWRITE);
+ port->params[4] = SPA_PARAM_INFO(SPA_PARAM_Buffers, SPA_PARAM_INFO_READ);
+ } else {
+ port->params[3] = SPA_PARAM_INFO(SPA_PARAM_Format, SPA_PARAM_INFO_WRITE);
+ port->params[4] = SPA_PARAM_INFO(SPA_PARAM_Buffers, 0);
+ }
+ emit_port_info(this, port, false);
+
+ 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;
+ int res;
+
+ spa_return_val_if_fail(object != NULL, -EINVAL);
+ spa_return_val_if_fail(CHECK_PORT(object, direction, port_id), -EINVAL);
+
+ spa_log_debug(this->log, NAME" %p: set param %d", this, id);
+
+ switch (id) {
+ case SPA_PARAM_Format:
+ res = port_set_format(object, direction, port_id, flags, param);
+ break;
+ default:
+ res = -ENOENT;
+ }
+ return res;
+}
+
+static void recycle_buffer(struct impl *this, struct port *port, struct buffer *b)
+{
+ if (SPA_FLAG_IS_SET(b->flags, BUFFER_FLAG_OUT)) {
+ spa_list_append(&port->queue, &b->link);
+ SPA_FLAG_CLEAR(b->flags, BUFFER_FLAG_OUT);
+ spa_log_trace_fp(this->log, NAME " %p: recycle buffer %d", this, b->id);
+ }
+}
+
+static int
+impl_node_port_use_buffers(void *object,
+ enum spa_direction direction, uint32_t port_id,
+ uint32_t flags,
+ struct spa_buffer **buffers, uint32_t n_buffers)
+{
+ struct impl *this = object;
+ struct port *port;
+ uint32_t i, j, size = SPA_ID_INVALID;
+
+ spa_return_val_if_fail(this != NULL, -EINVAL);
+ spa_return_val_if_fail(CHECK_PORT(this, direction, port_id), -EINVAL);
+
+ port = GET_PORT(this, direction, port_id);
+
+ spa_return_val_if_fail(port->have_format, -EIO);
+
+ spa_log_debug(this->log, NAME " %p: use buffers %d on port %d", this, n_buffers, port_id);
+
+ clear_buffers(this, port);
+
+ for (i = 0; i < n_buffers; i++) {
+ struct buffer *b;
+ uint32_t n_datas = buffers[i]->n_datas;
+ struct spa_data *d = buffers[i]->datas;
+
+ b = &port->buffers[i];
+ b->id = i;
+ b->flags = BUFFER_FLAG_OUT;
+ b->outbuf = buffers[i];
+ b->h = spa_buffer_find_meta_data(buffers[i], SPA_META_Header, sizeof(*b->h));
+
+ for (j = 0; j < n_datas; j++) {
+ if (size == SPA_ID_INVALID)
+ size = d[j].maxsize;
+ else if (size != d[j].maxsize)
+ return -EINVAL;
+
+ if (d[j].data == NULL) {
+ spa_log_error(this->log, NAME " %p: invalid memory on buffer %p", this,
+ buffers[i]);
+ return -EINVAL;
+ }
+ if (!SPA_IS_ALIGNED(d[j].data, 16)) {
+ spa_log_warn(this->log, NAME " %p: memory %d on buffer %d not aligned",
+ this, j, i);
+ }
+ }
+ recycle_buffer(this, port, b);
+ }
+ port->n_buffers = n_buffers;
+ port->size = size;
+
+ 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 = GET_PORT(this, direction, port_id);
+
+ switch (id) {
+ case SPA_IO_Buffers:
+ port->io = data;
+ break;
+ default:
+ return -ENOENT;
+ }
+ return 0;
+}
+
+static struct buffer *dequeue_buffer(struct impl *this, struct port *port)
+{
+ struct buffer *b;
+
+ if (spa_list_is_empty(&port->queue))
+ return NULL;
+
+ b = spa_list_first(&port->queue, struct buffer, link);
+ spa_list_remove(&b->link);
+ SPA_FLAG_SET(b->flags, BUFFER_FLAG_OUT);
+
+ return b;
+}
+
+
+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(CHECK_PORT(this, SPA_DIRECTION_OUTPUT, port_id), -EINVAL);
+
+ port = GET_PORT(this, SPA_DIRECTION_OUTPUT, port_id);
+ if (buffer_id < port->n_buffers)
+ recycle_buffer(this, port, &port->buffers[buffer_id]);
+
+ return 0;
+}
+
+static int impl_node_process(void *object)
+{
+ struct impl *this = object;
+ struct port *port;
+ struct spa_io_buffers *io;
+ struct buffer *buf;
+
+ spa_return_val_if_fail(this != NULL, -EINVAL);
+
+ port = GET_OUT_PORT(this, 0);
+ if ((io = port->io) == NULL)
+ return -EIO;
+
+ spa_log_trace_fp(this->log, NAME " %p: status %d", this, io->status);
+
+ if (io->status == SPA_STATUS_HAVE_DATA)
+ goto done;
+
+ /* recycle */
+ if (io->buffer_id < port->n_buffers) {
+ recycle_buffer(this, port, &port->buffers[io->buffer_id]);
+ io->buffer_id = SPA_ID_INVALID;
+ }
+
+ if ((buf = dequeue_buffer(this, port)) == NULL)
+ return io->status = -EPIPE;
+
+ io->status = SPA_STATUS_HAVE_DATA;
+ io->buffer_id = buf->id;
+
+ done:
+ return SPA_STATUS_HAVE_DATA;
+}
+
+static const struct spa_node_methods impl_node = {
+ SPA_VERSION_NODE_METHODS,
+ .add_listener = impl_node_add_listener,
+ .set_callbacks = impl_node_set_callbacks,
+ .sync = impl_node_sync,
+ .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 impl_clear(struct spa_handle *handle)
+{
+ 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;
+ uint32_t i;
+
+ 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);
+
+ for (i = 0; info && i < info->n_items; i++) {
+ const char *k = info->items[i].key;
+ const char *s = info->items[i].value;
+ if (spa_streq(k, "clock.quantum-limit"))
+ spa_atou32(s, &this->quantum_limit, 0);
+ }
+
+ spa_log_debug(this->log, NAME " %p: init", this);
+ 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_output_ports = 1;
+ this->info.flags = SPA_NODE_FLAG_RT;
+ this->params[0] = SPA_PARAM_INFO(SPA_PARAM_PropInfo, SPA_PARAM_INFO_READ);
+ this->params[1] = SPA_PARAM_INFO(SPA_PARAM_Props, SPA_PARAM_INFO_READWRITE);
+ this->info.params = this->params;
+ this->info.n_params = 2;
+ props_reset(&this->props);
+
+ port = GET_OUT_PORT(this, 0);
+ port->direction = SPA_DIRECTION_OUTPUT;
+ port->id = 0;
+ 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_DYNAMIC_DATA;
+ port->params[0] = SPA_PARAM_INFO(SPA_PARAM_EnumFormat, SPA_PARAM_INFO_READ);
+ port->params[1] = SPA_PARAM_INFO(SPA_PARAM_Meta, SPA_PARAM_INFO_READ);
+ port->params[2] = SPA_PARAM_INFO(SPA_PARAM_IO, SPA_PARAM_INFO_READ);
+ port->params[3] = SPA_PARAM_INFO(SPA_PARAM_Format, SPA_PARAM_INFO_WRITE);
+ port->params[4] = SPA_PARAM_INFO(SPA_PARAM_Buffers, 0);
+ port->info.params = port->params;
+ port->info.n_params = 5;
+ spa_list_init(&port->queue);
+
+ 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 test_source_factory = {
+ SPA_VERSION_HANDLE_FACTORY,
+ SPA_NAME_AUDIO_PROCESS_CHANNELMIX,
+ NULL,
+ impl_get_size,
+ impl_init,
+ impl_enum_interface_info,
+};