introspect-funcs.h

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/* PipeWire
 *
 * Copyright © 2020 Collabora Ltd.
 *   @author George Kiagiadakis <george.kiagiadakis@collabora.com>
 *
 * 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.
 */
 
#ifndef PIPEWIRE_EXT_SESSION_MANAGER_INTROSPECT_FUNCS_H
#define PIPEWIRE_EXT_SESSION_MANAGER_INTROSPECT_FUNCS_H
 
#include "introspect.h"
#include <spa/pod/builder.h>
#include <pipewire/pipewire.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
static inline struct pw_session_info *
pw_session_info_update (struct pw_session_info *info,
                        const struct pw_session_info *update)
{
        struct extended_info {
                struct pw_properties *props_storage;
                struct pw_session_info info;
        } *ext;
 
        if (update == NULL)
                return info;
 
        if (info == NULL) {
                ext = (struct extended_info *) calloc(1, sizeof(*ext));
                if (ext == NULL)
                        return NULL;
 
                info = &ext->info;
                info->id = update->id;
        } else {
                ext = SPA_CONTAINER_OF(info, struct extended_info, info);
        }
 
        info->change_mask = update->change_mask;
 
        if (update->change_mask & PW_SESSION_CHANGE_MASK_PROPS) {
                if (!ext->props_storage) {
                        ext->props_storage = pw_properties_new(NULL, NULL);
                        info->props = &ext->props_storage->dict;
                }
                pw_properties_clear(ext->props_storage);
                pw_properties_update(ext->props_storage, update->props);
        }
        if (update->change_mask & PW_SESSION_CHANGE_MASK_PARAMS) {
                info->n_params = update->n_params;
                free((void *) info->params);
                if (update->params) {
                        size_t size = info->n_params * sizeof(struct spa_param_info);
                        info->params = (struct spa_param_info *) malloc(size);
                        memcpy(info->params, update->params, size);
                }
                else
                        info->params = NULL;
        }
        return info;
}
 
static inline void
pw_session_info_free (struct pw_session_info *info)
{
        struct extended_info {
                struct pw_properties *props_storage;
                struct pw_session_info info;
        } *ext = SPA_CONTAINER_OF(info, struct extended_info, info);
 
        pw_properties_free(ext->props_storage);
        free((void *) info->params);
        free(ext);
}
 
static inline struct pw_endpoint_info *
pw_endpoint_info_update (struct pw_endpoint_info *info,
                        const struct pw_endpoint_info *update)
{
        struct extended_info {
                struct pw_properties *props_storage;
                struct pw_endpoint_info info;
        } *ext;
 
        if (update == NULL)
                return info;
 
        if (info == NULL) {
                ext = (struct extended_info *) calloc(1, sizeof(*ext));
                if (ext == NULL)
                        return NULL;
 
                info = &ext->info;
                info->id = update->id;
                info->name = strdup(update->name);
                info->media_class = strdup(update->media_class);
                info->direction = update->direction;
                info->flags = update->flags;
        } else {
                ext = SPA_CONTAINER_OF(info, struct extended_info, info);
        }
 
        info->change_mask = update->change_mask;
 
        if (update->change_mask & PW_ENDPOINT_CHANGE_MASK_STREAMS)
                info->n_streams = update->n_streams;
 
        if (update->change_mask & PW_ENDPOINT_CHANGE_MASK_SESSION)
                info->session_id = update->session_id;
 
        if (update->change_mask & PW_ENDPOINT_CHANGE_MASK_PROPS) {
                if (!ext->props_storage) {
                        ext->props_storage = pw_properties_new(NULL, NULL);
                        info->props = &ext->props_storage->dict;
                }
                pw_properties_clear(ext->props_storage);
                pw_properties_update(ext->props_storage, update->props);
        }
        if (update->change_mask & PW_ENDPOINT_CHANGE_MASK_PARAMS) {
                info->n_params = update->n_params;
                free((void *) info->params);
                if (update->params) {
                        size_t size = info->n_params * sizeof(struct spa_param_info);
                        info->params = (struct spa_param_info *) malloc(size);
                        memcpy(info->params, update->params, size);
                }
                else
                        info->params = NULL;
        }
        return info;
}
 
static inline void
pw_endpoint_info_free (struct pw_endpoint_info *info)
{
        struct extended_info {
                struct pw_properties *props_storage;
                struct pw_endpoint_info info;
        } *ext = SPA_CONTAINER_OF(info, struct extended_info, info);
 
        pw_properties_free(ext->props_storage);
        free(info->name);
        free(info->media_class);
        free((void *) info->params);
        free(ext);
}
 
static inline struct pw_endpoint_stream_info *
pw_endpoint_stream_info_update (struct pw_endpoint_stream_info *info,
                                const struct pw_endpoint_stream_info *update)
{
        struct extended_info {
                struct pw_properties *props_storage;
                struct pw_endpoint_stream_info info;
        } *ext;
 
        if (update == NULL)
                return info;
 
        if (info == NULL) {
                ext = (struct extended_info *) calloc(1, sizeof(*ext));
                if (ext == NULL)
                        return NULL;
 
                info = &ext->info;
                info->id = update->id;
                info->endpoint_id = update->endpoint_id;
                info->name = strdup(update->name);
        } else {
                ext = SPA_CONTAINER_OF(info, struct extended_info, info);
        }
 
        info->change_mask = update->change_mask;
 
        if (update->change_mask & PW_ENDPOINT_STREAM_CHANGE_MASK_LINK_PARAMS) {
                free(info->link_params);
                info->link_params = update->link_params ?
                        spa_pod_copy(update->link_params) : NULL;
        }
        if (update->change_mask & PW_ENDPOINT_STREAM_CHANGE_MASK_PROPS) {
                if (!ext->props_storage) {
                        ext->props_storage = pw_properties_new(NULL, NULL);
                        info->props = &ext->props_storage->dict;
                }
                pw_properties_clear(ext->props_storage);
                pw_properties_update(ext->props_storage, update->props);
        }
        if (update->change_mask & PW_ENDPOINT_STREAM_CHANGE_MASK_PARAMS) {
                info->n_params = update->n_params;
                free((void *) info->params);
                if (update->params) {
                        size_t size = info->n_params * sizeof(struct spa_param_info);
                        info->params = (struct spa_param_info *) malloc(size);
                        memcpy(info->params, update->params, size);
                }
                else
                        info->params = NULL;
        }
        return info;
}
 
static inline void
pw_endpoint_stream_info_free (struct pw_endpoint_stream_info *info)
{
        struct extended_info {
                struct pw_properties *props_storage;
                struct pw_endpoint_stream_info info;
        } *ext = SPA_CONTAINER_OF(info, struct extended_info, info);
 
        pw_properties_free(ext->props_storage);
        free(info->name);
        free(info->link_params);
        free((void *) info->params);
        free(ext);
}
 
 
static inline struct pw_endpoint_link_info *
pw_endpoint_link_info_update (struct pw_endpoint_link_info *info,
                        const struct pw_endpoint_link_info *update)
{
        struct extended_info {
                struct pw_properties *props_storage;
                struct pw_endpoint_link_info info;
        } *ext;
 
        if (update == NULL)
                return info;
 
        if (info == NULL) {
                ext = (struct extended_info *) calloc(1, sizeof(*ext));
                if (ext == NULL)
                        return NULL;
 
                info = &ext->info;
                info->id = update->id;
                info->session_id = update->session_id;
                info->output_endpoint_id = update->output_endpoint_id;
                info->output_stream_id = update->output_stream_id;
                info->input_endpoint_id = update->input_endpoint_id;
                info->input_stream_id = update->input_stream_id;
        } else {
                ext = SPA_CONTAINER_OF(info, struct extended_info, info);
        }
 
        info->change_mask = update->change_mask;
 
        if (update->change_mask & PW_ENDPOINT_LINK_CHANGE_MASK_STATE) {
                info->state = update->state;
                free(info->error);
                info->error = update->error ? strdup(update->error) : NULL;
        }
        if (update->change_mask & PW_ENDPOINT_LINK_CHANGE_MASK_PROPS) {
                if (!ext->props_storage) {
                        ext->props_storage = pw_properties_new(NULL, NULL);
                        info->props = &ext->props_storage->dict;
                }
                pw_properties_clear(ext->props_storage);
                pw_properties_update(ext->props_storage, update->props);
        }
        if (update->change_mask & PW_ENDPOINT_LINK_CHANGE_MASK_PARAMS) {
                info->n_params = update->n_params;
                free((void *) info->params);
                if (update->params) {
                        size_t size = info->n_params * sizeof(struct spa_param_info);
                        info->params = (struct spa_param_info *) malloc(size);
                        memcpy(info->params, update->params, size);
                }
                else
                        info->params = NULL;
        }
        return info;
}
 
static inline void
pw_endpoint_link_info_free (struct pw_endpoint_link_info *info)
{
        struct extended_info {
                struct pw_properties *props_storage;
                struct pw_endpoint_link_info info;
        } *ext = SPA_CONTAINER_OF(info, struct extended_info, info);
 
        pw_properties_free(ext->props_storage);
        free(info->error);
        free((void *) info->params);
        free(ext);
}
 
#ifdef __cplusplus
}  /* extern "C" */
#endif
 
#endif /* PIPEWIRE_EXT_SESSION_MANAGER_INTROSPECT_FUNCS_H */