From 2cfb206d7c392678205eb58afadddbdc29894515 Mon Sep 17 00:00:00 2001 From: Wim Taymans Date: Mon, 2 Apr 2018 11:21:29 +0200 Subject: [PATCH] add audioconvert beginnings --- spa/plugins/audioconvert/fmt-ops.c | 124 ++++ spa/plugins/audioconvert/fmtconvert.c | 856 ++++++++++++++++++++++++++ spa/plugins/audioconvert/meson.build | 8 + spa/plugins/audioconvert/plugin.c | 41 ++ spa/plugins/meson.build | 1 + 5 files changed, 1030 insertions(+) create mode 100644 spa/plugins/audioconvert/fmt-ops.c create mode 100644 spa/plugins/audioconvert/fmtconvert.c create mode 100644 spa/plugins/audioconvert/meson.build create mode 100644 spa/plugins/audioconvert/plugin.c diff --git a/spa/plugins/audioconvert/fmt-ops.c b/spa/plugins/audioconvert/fmt-ops.c new file mode 100644 index 000000000..9c1ff1614 --- /dev/null +++ b/spa/plugins/audioconvert/fmt-ops.c @@ -0,0 +1,124 @@ +/* Spa + * Copyright (C) 2018 Wim Taymans + * + * 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 +#include + +#include + +#define S16_TO_F32(v) ((v) / 32767.0) + +#define F32_TO_S16(v) \ +({ \ + typeof(v) _v = (v); \ + _v < -1.0f ? -32767 : \ + _v >= 1.0f ? 32767 : \ + _v * 32767.0f; \ +}) + +static void +s16_to_f32(void *dst, const void *src, int n_bytes) +{ + const int16_t *s = src; + float *d = dst; + + n_bytes /= sizeof(int16_t); + while (n_bytes--) + *d++ = S16_TO_F32(*s++); +} + +static void +s16_to_f32_di(int n_dst, void *dst[n_dst], const void *src, int n_bytes) +{ + const int16_t *s = src; + float **d = (float **) dst; + int i; + + n_bytes /= sizeof(int16_t); + while (n_bytes--) + for (i = 0; i < n_dst; i++) + *d[i]++ = S16_TO_F32(*s++); +} + +static void +s16_to_f32_i(void *dst, int n_src, const void *src[n_src], int n_bytes) +{ + const int16_t **s = src; + float *d = dst; + int i; + + n_bytes /= sizeof(int16_t); + while (n_bytes--) + for (i = 0; i < n_src; i++) + *d++ = S16_TO_F32(*s[i]++); +} + +static void +f32_to_s16(void *dst, const void *src, int n_bytes) +{ + const float *s = src; + int16_t *d = dst; + + n_bytes /= sizeof(float); + while (n_bytes--) { + *d++ = F32_TO_S16(*s); + s++; + } +} + +static void +deinterleave_1(void *dst[], int n_dst, const void *src, int n_bytes) +{ + const uint8_t *s = src; + uint8_t **d = (uint8_t **) dst; + int i; + + while (n_bytes--) { + for (i = 0; i < n_dst; i++) + *d[i]++ = *s++; + } +} + +static void +deinterleave_2(void *dst[], int n_dst, const void *src, int n_bytes) +{ + const uint16_t *s = src; + uint16_t **d = (uint16_t **) dst; + int i; + + n_bytes /= sizeof(uint16_t); + while (n_bytes--) { + for (i = 0; i < n_dst; i++) + *d[i]++ = *s++; + } +} + +static void +deinterleave_4(void *dst[], int n_dst, const void *src, int n_bytes) +{ + const uint32_t *s = src; + uint32_t **d = (uint32_t **) dst; + int i; + + n_bytes /= sizeof(uint32_t); + while (n_bytes--) { + for (i = 0; i < n_dst; i++) + *d[i]++ = *s++; + } +} diff --git a/spa/plugins/audioconvert/fmtconvert.c b/spa/plugins/audioconvert/fmtconvert.c new file mode 100644 index 000000000..e05109495 --- /dev/null +++ b/spa/plugins/audioconvert/fmtconvert.c @@ -0,0 +1,856 @@ +/* Spa + * Copyright (C) 2018 Wim Taymans + * + * 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 +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#define NAME "fmtconvert" + +#define MAX_BUFFERS 32 + +#define PROP_DEFAULT_TRUNCATE false +#define PROP_DEFAULT_DITHER 0 + +struct props { + bool truncate; + uint32_t dither; +}; + +static void props_reset(struct props *props) +{ + props->truncate = PROP_DEFAULT_TRUNCATE; + props->dither = PROP_DEFAULT_DITHER; +} + +struct buffer { + struct spa_list link; +#define BUFFER_FLAG_OUT (1 << 0) + uint32_t flags; + struct spa_buffer *outbuf; + struct spa_meta_header *h; +}; + +struct port { + uint32_t id; + + struct spa_io_buffers *io; + struct spa_port_info info; + + bool have_format; + struct spa_audio_info format; + int bpf; + + struct buffer buffers[MAX_BUFFERS]; + uint32_t n_buffers; + + struct spa_list queue; +}; + +struct type { + uint32_t node; + uint32_t format; + uint32_t prop_truncate; + uint32_t prop_dither; + struct spa_type_io io; + struct spa_type_param param; + struct spa_type_media_type media_type; + struct spa_type_media_subtype media_subtype; + struct spa_type_format_audio format_audio; + struct spa_type_audio_format audio_format; + struct spa_type_command_node command_node; + struct spa_type_meta meta; + struct spa_type_data data; + struct spa_type_param_buffers param_buffers; + struct spa_type_param_meta param_meta; + struct spa_type_param_io param_io; +}; + +static inline void init_type(struct type *type, struct spa_type_map *map) +{ + type->node = spa_type_map_get_id(map, SPA_TYPE__Node); + type->format = spa_type_map_get_id(map, SPA_TYPE__Format); + type->prop_truncate = spa_type_map_get_id(map, SPA_TYPE_PROPS__truncate); + type->prop_dither = spa_type_map_get_id(map, SPA_TYPE_PROPS__ditherType); + spa_type_io_map(map, &type->io); + spa_type_param_map(map, &type->param); + 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_command_node_map(map, &type->command_node); + spa_type_meta_map(map, &type->meta); + spa_type_data_map(map, &type->data); + spa_type_param_buffers_map(map, &type->param_buffers); + spa_type_param_meta_map(map, &type->param_meta); + spa_type_param_io_map(map, &type->param_io); +} + +struct impl { + struct spa_handle handle; + struct spa_node node; + + struct type type; + struct spa_type_map *map; + struct spa_log *log; + + struct props props; + + const struct spa_node_callbacks *callbacks; + void *user_data; + + struct port in_port; + struct port out_port; + + bool started; + + int (*convert) (struct impl *impl, const struct buffer *src, struct buffer *dst); +}; + +#define CHECK_PORT(this,d,id) (id == 0) +#define GET_IN_PORT(this,id) (&this->in_port) +#define GET_OUT_PORT(this,id) (&this->out_port) +#define GET_PORT(this,d,id) (d == SPA_DIRECTION_INPUT ? GET_IN_PORT(this,id) : GET_OUT_PORT(this,id)) + +static int impl_node_enum_params(struct spa_node *node, + uint32_t id, uint32_t *index, + const struct spa_pod *filter, + struct spa_pod **param, + struct spa_pod_builder *builder) +{ + return -ENOTSUP; +} + +static int impl_node_set_param(struct spa_node *node, uint32_t id, uint32_t flags, + const struct spa_pod *param) +{ + return -ENOTSUP; +} + +static int impl_node_send_command(struct spa_node *node, const struct spa_command *command) +{ + struct impl *this; + + spa_return_val_if_fail(node != NULL, -EINVAL); + spa_return_val_if_fail(command != NULL, -EINVAL); + + this = SPA_CONTAINER_OF(node, struct impl, node); + + if (SPA_COMMAND_TYPE(command) == this->type.command_node.Start) { + this->started = true; + } else if (SPA_COMMAND_TYPE(command) == this->type.command_node.Pause) { + this->started = false; + } else + return -ENOTSUP; + + return 0; +} + +static int +impl_node_set_callbacks(struct spa_node *node, + const struct spa_node_callbacks *callbacks, + void *user_data) +{ + struct impl *this; + + spa_return_val_if_fail(node != NULL, -EINVAL); + + this = SPA_CONTAINER_OF(node, struct impl, node); + + this->callbacks = callbacks; + this->user_data = user_data; + + return 0; +} + +static int +impl_node_get_n_ports(struct spa_node *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, -EINVAL); + + if (n_input_ports) + *n_input_ports = 1; + if (max_input_ports) + *max_input_ports = 1; + if (n_output_ports) + *n_output_ports = 1; + if (max_output_ports) + *max_output_ports = 1; + + return 0; +} + +static int +impl_node_get_port_ids(struct spa_node *node, + uint32_t *input_ids, + uint32_t n_input_ids, + uint32_t *output_ids, + uint32_t n_output_ids) +{ + spa_return_val_if_fail(node != NULL, -EINVAL); + + if (n_input_ids && input_ids) + input_ids[0] = 0; + if (n_output_ids > 0 && output_ids) + output_ids[0] = 0; + + return 0; +} + +static int impl_node_add_port(struct spa_node *node, enum spa_direction direction, uint32_t port_id) +{ + return -ENOTSUP; +} + +static int +impl_node_remove_port(struct spa_node *node, enum spa_direction direction, uint32_t port_id) +{ + return -ENOTSUP; +} + +static int +impl_node_port_get_info(struct spa_node *node, + enum spa_direction direction, + uint32_t port_id, + const struct spa_port_info **info) +{ + struct impl *this; + struct port *port; + + spa_return_val_if_fail(node != NULL, -EINVAL); + spa_return_val_if_fail(info != NULL, -EINVAL); + + this = SPA_CONTAINER_OF(node, struct impl, node); + + spa_return_val_if_fail(CHECK_PORT(this, direction, port_id), -EINVAL); + + port = GET_PORT(this, direction, port_id); + *info = &port->info; + + return 0; +} + +static int port_enum_formats(struct spa_node *node, + enum spa_direction direction, uint32_t port_id, + uint32_t *index, + struct spa_pod **param, + struct spa_pod_builder *builder) +{ + struct impl *this = SPA_CONTAINER_OF(node, struct impl, node); + struct type *t = &this->type; + struct port *other; + + other = GET_PORT(this, SPA_DIRECTION_REVERSE(direction), 0); + + switch (*index) { + case 0: + if (other->have_format) { + *param = spa_pod_builder_object(builder, + t->param.idEnumFormat, t->format, + "I", t->media_type.audio, + "I", t->media_subtype.raw, + ":", t->format_audio.format, "Ieu", t->audio_format.S16, + SPA_POD_PROP_ENUM(12, t->audio_format.U8, + t->audio_format.S16, + t->audio_format.S16_OE, + t->audio_format.F32, + t->audio_format.F32_OE, + t->audio_format.S32, + t->audio_format.S32_OE, + t->audio_format.S24, + t->audio_format.S24_OE, + t->audio_format.S24, + t->audio_format.S24_32, + t->audio_format.S24_32_OE), + ":", t->format_audio.layout, "ieu", SPA_AUDIO_LAYOUT_INTERLEAVED, + SPA_POD_PROP_ENUM(2, SPA_AUDIO_LAYOUT_INTERLEAVED, + SPA_AUDIO_LAYOUT_NON_INTERLEAVED), + ":", t->format_audio.rate, "i", other->format.info.raw.rate, + ":", t->format_audio.channels, "i", other->format.info.raw.channels); + } else { + *param = spa_pod_builder_object(builder, + t->param.idEnumFormat, t->format, + "I", t->media_type.audio, + "I", t->media_subtype.raw, + ":", t->format_audio.format, "Ieu", t->audio_format.S16, + SPA_POD_PROP_ENUM(12, t->audio_format.U8, + t->audio_format.S16, + t->audio_format.S16_OE, + t->audio_format.F32, + t->audio_format.F32_OE, + t->audio_format.S32, + t->audio_format.S32_OE, + t->audio_format.S24, + t->audio_format.S24_OE, + t->audio_format.S24, + t->audio_format.S24_32, + t->audio_format.S24_32_OE), + ":", t->format_audio.layout, "ieu", SPA_AUDIO_LAYOUT_INTERLEAVED, + SPA_POD_PROP_ENUM(2, SPA_AUDIO_LAYOUT_INTERLEAVED, + SPA_AUDIO_LAYOUT_NON_INTERLEAVED), + ":", t->format_audio.rate, "i", other->format.info.raw.rate, + ":", t->format_audio.rate, "iru", 44100, + SPA_POD_PROP_MIN_MAX(1, INT32_MAX), + ":", t->format_audio.channels, "iru", 2, + SPA_POD_PROP_MIN_MAX(1, INT32_MAX)); + } + break; + default: + return 0; + } + return 1; +} + +static int port_get_format(struct spa_node *node, + enum spa_direction direction, uint32_t port_id, + uint32_t *index, + struct spa_pod **param, + struct spa_pod_builder *builder) +{ + struct impl *this = SPA_CONTAINER_OF(node, struct impl, node); + struct type *t = &this->type; + struct port *port = GET_PORT(this, direction, port_id); + + if (!port->have_format) + return -EIO; + if (*index > 0) + return 0; + + *param = spa_pod_builder_object(builder, + t->param.idFormat, t->format, + "I", t->media_type.audio, + "I", t->media_subtype.raw, + ":", t->format_audio.format, "I", port->format.info.raw.format, + ":", t->format_audio.layout, "i", port->format.info.raw.layout, + ":", t->format_audio.rate, "i", port->format.info.raw.rate, + ":", t->format_audio.channels, "i", port->format.info.raw.channels); + + return 1; +} + +static int +impl_node_port_enum_params(struct spa_node *node, + enum spa_direction direction, uint32_t port_id, + uint32_t id, uint32_t *index, + const struct spa_pod *filter, + struct spa_pod **result, + struct spa_pod_builder *builder) +{ + struct impl *this; + struct type *t; + struct port *port; + struct spa_pod *param; + struct spa_pod_builder b = { 0 }; + uint8_t buffer[1024]; + int res; + + spa_return_val_if_fail(node != NULL, -EINVAL); + spa_return_val_if_fail(index != NULL, -EINVAL); + spa_return_val_if_fail(builder != NULL, -EINVAL); + + this = SPA_CONTAINER_OF(node, struct impl, node); + t = &this->type; + + spa_return_val_if_fail(CHECK_PORT(this, direction, port_id), -EINVAL); + + port = GET_PORT(this, direction, port_id); + + next: + spa_pod_builder_init(&b, buffer, sizeof(buffer)); + + if (id == t->param.idList) { + uint32_t list[] = { t->param.idEnumFormat, + t->param.idFormat, + t->param.idBuffers, + t->param.idMeta, + t->param_io.idBuffers }; + + if (*index < SPA_N_ELEMENTS(list)) + param = spa_pod_builder_object(&b, id, t->param.List, + ":", t->param.listId, "I", list[*index]); + else + return 0; + } + else if (id == t->param.idEnumFormat) { + if ((res = port_enum_formats(node, direction, port_id, index, ¶m, &b)) <= 0) + return res; + } + else if (id == t->param.idFormat) { + if ((res = port_get_format(node, direction, port_id, index, ¶m, &b)) <= 0) + return res; + } + else if (id == t->param.idBuffers) { + if (!port->have_format) + return -EIO; + if (*index > 0) + return 0; + + param = spa_pod_builder_object(&b, + id, t->param_buffers.Buffers, + ":", t->param_buffers.size, "iru", 1024 * port->bpf, + SPA_POD_PROP_MIN_MAX(16 * port->bpf, INT32_MAX / port->bpf), + ":", t->param_buffers.stride, "i", 0, + ":", t->param_buffers.buffers, "iru", 1, + SPA_POD_PROP_MIN_MAX(1, MAX_BUFFERS), + ":", t->param_buffers.align, "i", 16); + } + else if (id == t->param.idMeta) { + if (!port->have_format) + return -EIO; + + switch (*index) { + case 0: + param = spa_pod_builder_object(&b, + id, t->param_meta.Meta, + ":", t->param_meta.type, "I", t->meta.Header, + ":", t->param_meta.size, "i", sizeof(struct spa_meta_header)); + break; + default: + return 0; + } + } + else if (id == t->param_io.idBuffers) { + switch (*index) { + case 0: + param = spa_pod_builder_object(&b, + id, t->param_io.Buffers, + ":", t->param_io.id, "I", t->io.Buffers, + ":", t->param_io.size, "i", sizeof(struct spa_io_buffers)); + break; + default: + return 0; + } + } + else + return -ENOENT; + + (*index)++; + + if (spa_pod_filter(builder, result, param, filter) < 0) + goto next; + + return 1; +} + +static int clear_buffers(struct impl *this, struct port *port) +{ + if (port->n_buffers > 0) { + spa_log_info(this->log, NAME " %p: clear buffers %p", this, port); + port->n_buffers = 0; + spa_list_init(&port->queue); + } + return 0; +} + +static int port_set_format(struct spa_node *node, + enum spa_direction direction, + uint32_t port_id, + uint32_t flags, + const struct spa_pod *format) +{ + struct impl *this = SPA_CONTAINER_OF(node, struct impl, node); + struct port *port; + struct type *t = &this->type; + + 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 }; + + spa_pod_object_parse(format, + "I", &info.media_type, + "I", &info.media_subtype); + + if (info.media_type != t->media_type.audio || + info.media_subtype != t->media_subtype.raw) + return -EINVAL; + + if (spa_format_audio_raw_parse(format, &info.info.raw, &t->format_audio) < 0) + return -EINVAL; + + port->have_format = true; + port->format = info; + + spa_log_info(this->log, NAME " %p: set format on port %d", this, port_id); + } + + return 0; +} + + +static int +impl_node_port_set_param(struct spa_node *node, + enum spa_direction direction, uint32_t port_id, + uint32_t id, uint32_t flags, + const struct spa_pod *param) +{ + struct impl *this; + struct type *t; + + spa_return_val_if_fail(node != NULL, -EINVAL); + + this = SPA_CONTAINER_OF(node, struct impl, node); + t = &this->type; + + spa_return_val_if_fail(CHECK_PORT(this, direction, port_id), -EINVAL); + + if (id == t->param.idFormat) { + return port_set_format(node, direction, port_id, flags, param); + } + else + return -ENOENT; +} + +static int +impl_node_port_use_buffers(struct spa_node *node, + enum spa_direction direction, + uint32_t port_id, + struct spa_buffer **buffers, + uint32_t n_buffers) +{ + struct impl *this; + struct port *port; + uint32_t i; + struct type *t; + + spa_return_val_if_fail(node != NULL, -EINVAL); + + this = SPA_CONTAINER_OF(node, struct impl, node); + t = &this->type; + + 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_info(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; + struct spa_data *d = buffers[i]->datas; + + b = &port->buffers[i]; + b->flags = 0; + b->outbuf = buffers[i]; + b->h = spa_buffer_find_meta(buffers[i], t->meta.Header); + + if (!((d[0].type == t->data.MemPtr || + d[0].type == t->data.MemFd || + d[0].type == t->data.DmaBuf) && d[0].data != NULL)) { + spa_log_error(this->log, NAME " %p: invalid memory on buffer %p", this, + buffers[i]); + return -EINVAL; + } + if (direction == SPA_DIRECTION_OUTPUT) + spa_list_append(&port->queue, &b->link); + else + SPA_FLAG_SET(b->flags, BUFFER_FLAG_OUT); + } + port->n_buffers = n_buffers; + + return 0; +} + +static int +impl_node_port_alloc_buffers(struct spa_node *node, + enum spa_direction direction, + uint32_t port_id, + struct spa_pod **params, + uint32_t n_params, + struct spa_buffer **buffers, + uint32_t *n_buffers) +{ + return -ENOTSUP; +} + +static int +impl_node_port_set_io(struct spa_node *node, + enum spa_direction direction, uint32_t port_id, + uint32_t id, void *data, size_t size) +{ + struct impl *this; + struct port *port; + struct type *t; + + spa_return_val_if_fail(node != NULL, -EINVAL); + + this = SPA_CONTAINER_OF(node, struct impl, node); + t = &this->type; + + spa_return_val_if_fail(CHECK_PORT(this, direction, port_id), -EINVAL); + + port = GET_PORT(this, direction, port_id); + + if (id == t->io.Buffers) + port->io = data; + else + return -ENOENT; + + return 0; +} + +static void recycle_buffer(struct impl *this, uint32_t id) +{ + struct port *port = GET_OUT_PORT(this, 0); + struct buffer *b = &port->buffers[id]; + + if (SPA_FLAG_CHECK(b->flags, BUFFER_FLAG_OUT)) { + spa_list_append(&port->queue, &b->link); + SPA_FLAG_UNSET(b->flags, BUFFER_FLAG_OUT); + spa_log_trace(this->log, NAME " %p: recycle buffer %d", this, id); + } +} + +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(struct spa_node *node, uint32_t port_id, uint32_t buffer_id) +{ + struct impl *this; + + spa_return_val_if_fail(node != NULL, -EINVAL); + + this = SPA_CONTAINER_OF(node, struct impl, node); + + spa_return_val_if_fail(CHECK_PORT(this, SPA_DIRECTION_OUTPUT, port_id), -EINVAL); + + recycle_buffer(this, buffer_id); + + return 0; +} + +static int +impl_node_port_send_command(struct spa_node *node, + enum spa_direction direction, + uint32_t port_id, + const struct spa_command *command) +{ + return -ENOTSUP; +} + +static int impl_node_process(struct spa_node *node) +{ + struct impl *this; + struct port *outport, *inport; + struct spa_io_buffers *outio, *inio; + struct buffer *sbuf, *dbuf; + + spa_return_val_if_fail(node != NULL, -EINVAL); + + this = SPA_CONTAINER_OF(node, struct impl, node); + + outport = GET_OUT_PORT(this, 0); + inport = GET_IN_PORT(this, 0); + + outio = outport->io; + inio = inport->io; + + spa_return_val_if_fail(outio != NULL, -EIO); + spa_return_val_if_fail(inio != NULL, -EIO); + + spa_log_trace(this->log, NAME " %p: status %d", this, outio->status); + + if (outio->status == SPA_STATUS_HAVE_BUFFER) + return outio->status; + + if (inio->status != SPA_STATUS_HAVE_BUFFER) + return SPA_STATUS_NEED_BUFFER; + + /* recycle */ + if (outio->buffer_id < outport->n_buffers) { + recycle_buffer(this, outio->buffer_id); + outio->buffer_id = SPA_ID_INVALID; + } + + if (inio->buffer_id >= inport->n_buffers) + return inio->status = -EINVAL; + + if ((dbuf = dequeue_buffer(this, outport)) == NULL) + return outio->status = -EPIPE; + + sbuf = &inport->buffers[inio->buffer_id]; + + this->convert(this, sbuf, dbuf); + + outio->status = SPA_STATUS_HAVE_BUFFER; + outio->buffer_id = dbuf->outbuf->id; + + return outio->status; +} + +static const struct spa_node impl_node = { + SPA_VERSION_NODE, + NULL, + impl_node_enum_params, + impl_node_set_param, + impl_node_send_command, + impl_node_set_callbacks, + impl_node_get_n_ports, + impl_node_get_port_ids, + impl_node_add_port, + impl_node_remove_port, + impl_node_port_get_info, + impl_node_port_enum_params, + impl_node_port_set_param, + impl_node_port_use_buffers, + impl_node_port_alloc_buffers, + impl_node_port_set_io, + impl_node_port_reuse_buffer, + impl_node_port_send_command, + impl_node_process, +}; + +static int impl_get_interface(struct spa_handle *handle, uint32_t interface_id, 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 (interface_id == this->type.node) + *interface = &this->node; + else + return -ENOENT; + + return 0; +} + +static int impl_clear(struct spa_handle *handle) +{ + return 0; +} + +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; + + 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; + } + if (this->map == NULL) { + spa_log_error(this->log, "an id-map is needed"); + return -EINVAL; + } + init_type(&this->type, this->map); + + this->node = impl_node; + + port = GET_OUT_PORT(this, 0); + port->id = 0; + port->info.flags = SPA_PORT_INFO_FLAG_CAN_USE_BUFFERS; + spa_list_init(&port->queue); + + port = GET_IN_PORT(this, 0); + port->id = 0; + port->info.flags = SPA_PORT_INFO_FLAG_CAN_USE_BUFFERS; + spa_list_init(&port->queue); + + props_reset(&this->props); + + return 0; +} + +static const struct spa_interface_info impl_interfaces[] = { + {SPA_TYPE__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_audioconvert_factory = { + SPA_VERSION_HANDLE_FACTORY, + NAME, + NULL, + sizeof(struct impl), + impl_init, + impl_enum_interface_info, +}; diff --git a/spa/plugins/audioconvert/meson.build b/spa/plugins/audioconvert/meson.build new file mode 100644 index 000000000..713b38b0a --- /dev/null +++ b/spa/plugins/audioconvert/meson.build @@ -0,0 +1,8 @@ +audioconvert_sources = ['fmtconvert.c', 'fmt-ops.c', 'plugin.c'] + +audioconvertlib = shared_library('spa-audioconvert', + audioconvert_sources, + include_directories : [spa_inc, spa_libinc], + link_with : spalib, + install : true, + install_dir : '@0@/spa/audioconvert/'.format(get_option('libdir'))) diff --git a/spa/plugins/audioconvert/plugin.c b/spa/plugins/audioconvert/plugin.c new file mode 100644 index 000000000..504d9e459 --- /dev/null +++ b/spa/plugins/audioconvert/plugin.c @@ -0,0 +1,41 @@ +/* Spa Audioconvert plugin + * Copyright (C) 2018 Wim Taymans + * + * 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 + +#include + +extern const struct spa_handle_factory spa_audioconvert_factory; + +int +spa_handle_factory_enum(const struct spa_handle_factory **factory, uint32_t *index) +{ + spa_return_val_if_fail(factory != NULL, -EINVAL); + spa_return_val_if_fail(index != NULL, -EINVAL); + + switch (*index) { + case 0: + *factory = &spa_audioconvert_factory; + break; + default: + return 0; + } + (*index)++; + return 1; +} diff --git a/spa/plugins/meson.build b/spa/plugins/meson.build index 889fa7d28..db784db8e 100644 --- a/spa/plugins/meson.build +++ b/spa/plugins/meson.build @@ -1,4 +1,5 @@ subdir('alsa') +subdir('audioconvert') subdir('audiomixer') subdir('audiotestsrc') if sbc_dep.found()