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https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
client-node: store mix in pw_map so that they are not copied
struct mix contain pointers to themselves (see do_port_use_buffers) and cannot be copied by value, so they should not be stored in pw_array. Store them in pw_map instead.
This commit is contained in:
Pauli Virtanen
parent
44bfeaac6e
commit
7f5f88c04a
1 changed files with 73 additions and 46 deletions
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@ -49,7 +49,6 @@ struct buffer {
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};
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struct mix {
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unsigned int valid:1;
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uint32_t mix_id;
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struct port *port;
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uint32_t peer_id;
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@ -79,7 +78,7 @@ struct port {
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unsigned int removed:1;
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unsigned int destroyed:1;
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struct pw_array mix;
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struct pw_map mix;
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};
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struct impl {
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@ -191,42 +190,62 @@ do_port_use_buffers(struct impl *impl,
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static struct mix *find_mix(struct port *p, uint32_t mix_id)
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{
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struct mix *mix;
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if (mix_id == SPA_ID_INVALID)
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mix_id = 0;
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else
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mix_id++;
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return pw_map_lookup(&p->mix, mix_id);
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}
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static struct mix *create_mix(struct port *p, uint32_t mix_id)
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{
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struct mix *mix = NULL;
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size_t len;
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int res;
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if (mix_id == SPA_ID_INVALID)
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mix_id = 0;
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else
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mix_id++;
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len = pw_array_get_len(&p->mix, struct mix);
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if (mix_id >= len) {
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size_t need = sizeof(struct mix) * (mix_id + 1 - len);
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void *ptr = pw_array_add(&p->mix, need);
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if (ptr == NULL)
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return NULL;
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memset(ptr, 0, need);
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if (pw_map_lookup(&p->mix, mix_id) != NULL) {
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errno = EEXIST;
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return NULL;
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}
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mix = pw_array_get_unchecked(&p->mix, mix_id, struct mix);
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return mix;
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}
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static void mix_init(struct mix *mix, struct port *p, uint32_t mix_id)
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{
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mix->valid = true;
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/* pad map size */
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for (len = pw_map_get_size(&p->mix); len < mix_id; ++len)
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if ((res = pw_map_insert_at(&p->mix, len, NULL)) < 0)
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goto fail;
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mix = calloc(1, sizeof(struct mix));
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if (mix == NULL)
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return NULL;
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if ((res = pw_map_insert_at(&p->mix, mix_id, mix)) < 0)
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goto fail;
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mix->mix_id = mix_id;
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mix->port = p;
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mix->n_buffers = 0;
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return mix;
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fail:
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free(mix);
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errno = -res;
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return NULL;
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}
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static struct mix *create_mix(struct impl *impl, struct port *p, uint32_t mix_id)
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static void free_mix(struct port *p, struct mix *mix)
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{
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struct mix *mix;
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if (mix == NULL)
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return;
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if ((mix = find_mix(p, mix_id)) == NULL || mix->valid)
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return NULL;
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mix_init(mix, p, mix_id);
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return mix;
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/* never realloc so it's safe to call from pw_map_foreach */
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if (mix->mix_id < pw_map_get_size(&p->mix))
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pw_map_insert_at(&p->mix, mix->mix_id, NULL);
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free(mix);
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}
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static void clear_data(struct impl *impl, struct spa_data *d)
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@ -280,11 +299,10 @@ static void mix_clear(struct impl *impl, struct mix *mix)
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{
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struct port *port = mix->port;
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if (!mix->valid)
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return;
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do_port_use_buffers(impl, port->direction, port->id,
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mix->mix_id, 0, NULL, 0);
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mix->valid = false;
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free_mix(port, mix);
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}
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static int impl_node_enum_params(void *object, int seq,
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@ -498,21 +516,25 @@ do_update_port(struct impl *impl,
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}
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}
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static int mix_clear_cb(void *item, void *data)
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{
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if (item)
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mix_clear(data, item);
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return 0;
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}
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static void
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clear_port(struct impl *impl, struct port *port)
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{
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struct mix *mix;
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spa_log_debug(impl->log, "%p: clear port %p", impl, port);
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do_update_port(impl, port,
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PW_CLIENT_NODE_PORT_UPDATE_PARAMS |
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PW_CLIENT_NODE_PORT_UPDATE_INFO, 0, NULL, NULL);
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pw_array_for_each(mix, &port->mix)
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mix_clear(impl, mix);
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pw_array_clear(&port->mix);
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pw_array_init(&port->mix, sizeof(struct mix) * 2);
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pw_map_for_each(&port->mix, mix_clear_cb, impl);
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pw_map_clear(&port->mix);
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pw_map_init(&port->mix, 0, 2);
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pw_map_insert_at(&impl->ports[port->direction], port->id, NULL);
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@ -606,6 +628,13 @@ impl_node_port_enum_params(void *object, int seq,
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return found ? 0 : -ENOENT;
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}
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static int clear_buffers_cb(void *item, void *data)
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{
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if (item)
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clear_buffers(data, item);
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return 0;
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}
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static int
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impl_node_port_set_param(void *object,
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enum spa_direction direction, uint32_t port_id,
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@ -614,7 +643,6 @@ impl_node_port_set_param(void *object,
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{
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struct impl *impl = object;
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struct port *port;
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struct mix *mix;
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spa_return_val_if_fail(impl != NULL, -EINVAL);
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@ -626,10 +654,9 @@ impl_node_port_set_param(void *object,
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direction, port_id,
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spa_debug_type_find_name(spa_type_param, id), id);
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if (id == SPA_PARAM_Format) {
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pw_array_for_each(mix, &port->mix)
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clear_buffers(impl, mix);
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}
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if (id == SPA_PARAM_Format)
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pw_map_for_each(&port->mix, clear_buffers_cb, impl);
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if (impl->resource == NULL)
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return param == NULL ? 0 : -EIO;
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@ -658,7 +685,7 @@ static int do_port_set_io(struct impl *impl,
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if (port == NULL)
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return data == NULL ? 0 : -EINVAL;
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if ((mix = find_mix(port, mix_id)) == NULL || !mix->valid)
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if ((mix = find_mix(port, mix_id)) == NULL)
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return -EINVAL;
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old = pw_mempool_find_tag(impl->client_pool, tag, sizeof(tag));
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@ -731,7 +758,7 @@ do_port_use_buffers(struct impl *impl,
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if (direction == SPA_DIRECTION_OUTPUT)
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mix_id = SPA_ID_INVALID;
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if ((mix = find_mix(p, mix_id)) == NULL || !mix->valid)
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if ((mix = find_mix(p, mix_id)) == NULL)
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return -EINVAL;
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clear_buffers(impl, mix);
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@ -1019,7 +1046,7 @@ static int client_node_port_buffers(void *data,
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if (direction == SPA_DIRECTION_OUTPUT)
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mix_id = SPA_ID_INVALID;
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if ((mix = find_mix(p, mix_id)) == NULL || !mix->valid)
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if ((mix = find_mix(p, mix_id)) == NULL)
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goto invalid;
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if (mix->n_buffers != n_buffers)
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@ -1383,12 +1410,12 @@ static int port_init_mix(void *data, struct pw_impl_port_mix *mix)
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uint32_t idx, pos, len;
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struct pw_memblock *area;
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if ((m = create_mix(impl, port, mix->port.port_id)) == NULL)
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if ((m = create_mix(port, mix->port.port_id)) == NULL)
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return -ENOMEM;
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mix->id = pw_map_insert_new(&impl->io_map, NULL);
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if (mix->id == SPA_ID_INVALID) {
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m->valid = false;
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free_mix(port, m);
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return -errno;
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}
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@ -1422,7 +1449,7 @@ static int port_init_mix(void *data, struct pw_impl_port_mix *mix)
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return 0;
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no_mem:
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pw_map_remove(&impl->io_map, mix->id);
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m->valid = false;
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free_mix(port, m);
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return -ENOMEM;
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}
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@ -1435,7 +1462,7 @@ static int port_release_mix(void *data, struct pw_impl_port_mix *mix)
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pw_log_debug("%p: remove mix id:%d io:%p",
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impl, mix->id, mix->io);
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if ((m = find_mix(port, mix->port.port_id)) == NULL || !m->valid)
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if ((m = find_mix(port, mix->port.port_id)) == NULL)
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return -EINVAL;
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if (impl->resource && impl->resource->version >= 4)
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@ -1444,7 +1471,7 @@ static int port_release_mix(void *data, struct pw_impl_port_mix *mix)
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mix->port.port_id, SPA_ID_INVALID, NULL);
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pw_map_remove(&impl->io_map, mix->id);
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m->valid = false;
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free_mix(port, m);
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return 0;
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}
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@ -1571,12 +1598,12 @@ static void node_port_init(void *data, struct pw_impl_port *port)
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p->direction = port->direction;
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p->id = port->port_id;
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p->impl = impl;
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pw_array_init(&p->mix, sizeof(struct mix) * 2);
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pw_map_init(&p->mix, 2, 2);
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p->mix_node.iface = SPA_INTERFACE_INIT(
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SPA_TYPE_INTERFACE_Node,
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SPA_VERSION_NODE,
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&impl_port_mix, p);
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create_mix(impl, p, SPA_ID_INVALID);
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create_mix(p, SPA_ID_INVALID);
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pw_map_insert_at(&impl->ports[p->direction], p->id, p);
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return;
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