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https://github.com/alsa-project/alsa-utils
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Merge ffc63f76de into 21e0adfa3b
This commit is contained in:
Ranjani Sridharan
GitHub
commit
3c5d3bf607
1 changed files with 172 additions and 0 deletions
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@ -921,6 +921,172 @@ static int pre_process_arrays(struct tplg_pre_processor *tplg_pp, snd_config_t *
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return 0;
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}
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static int pre_process_subtree_copy(struct tplg_pre_processor *tplg_pp, snd_config_t *curr,
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snd_config_t *top)
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{
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snd_config_iterator_t i, next;
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snd_config_t *subtrees;
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int ret;
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ret = snd_config_search(curr, "SubTreeCopy", &subtrees);
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if (ret < 0)
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return 0;
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snd_config_for_each(i, next, subtrees) {
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snd_config_t *n, *source_cfg, *target_cfg, *type_cfg;
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snd_config_t *source_tree, *target_tree, *tmp, *subtree_cfg;
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const char *id, *source_id;
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const char *type = NULL;
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const char *target_id = NULL;
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bool override = false;
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n = snd_config_iterator_entry(i);
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ret = snd_config_get_id(n, &id);
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if (ret < 0) {
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SNDERR("Failed to get ID for subtree copy\n");
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return ret;
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}
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/* get the type of copy ex: override/extend if set, by default override is false */
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ret = snd_config_search(n, "type", &type_cfg);
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if (ret >= 0) {
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ret = snd_config_get_string(type_cfg, &type);
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if (ret >= 0) {
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if (strcmp(type, "override") && strcmp(type, "extend")) {
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SNDERR("Invalid value for sub tree copy type %s\n", type);
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return ret;
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}
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if (!strcmp(type, "override"))
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override = true;
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}
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}
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ret = snd_config_search(n, "source", &source_cfg);
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if (ret < 0) {
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SNDERR("failed to get source config for subtree %s\n", id);
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return ret;
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}
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/* if the target node is not set, the subtree will be copied to current node */
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ret = snd_config_search(n, "target", &target_cfg);
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if (ret >= 0) {
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snd_config_t *temp_target;
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char *s;
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ret = snd_config_get_string(target_cfg, &target_id);
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if (ret < 0) {
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SNDERR("Invalid target id for subtree %s\n", id);
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return ret;
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}
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/*
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* create a temporary node with target_id and merge with top to avoid
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* failure in case the target node ID doesn't exist already
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*/
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s = tplg_snprintf("%s {}", target_id);
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if (!s)
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return -ENOMEM;
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ret = snd_config_load_string(&temp_target, s, 0);
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free(s);
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if (ret < 0) {
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SNDERR("Cannot create temp node with target id %s\n", target_id);
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return ret;
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}
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ret = snd_config_merge(top, temp_target, false);
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if (ret < 0) {
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SNDERR("Cannot merge temp node with target id %s\n", target_id);
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return ret;
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}
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ret = snd_config_search(top, target_id, &target_tree);
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if (ret < 0) {
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SNDERR("failed to get target tree %s\n", target_id);
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return ret;
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}
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} else {
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target_tree = curr;
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}
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/* get the source tree node */
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ret = snd_config_get_string(source_cfg, &source_id);
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if (ret < 0) {
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SNDERR("Invalid source node id for subtree %s\n", id);
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return ret;
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}
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ret = snd_config_search(top, source_id, &source_tree);
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if (ret < 0) {
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SNDERR("failed to get source tree %s\n", source_id);
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return ret;
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}
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/* get the subtree to be merged */
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ret = snd_config_search(n, "tree", &subtree_cfg);
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if (ret < 0)
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subtree_cfg = NULL;
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/* make a temp copy of the source tree */
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ret = snd_config_copy(&tmp, source_tree);
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if (ret < 0) {
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SNDERR("failed to copy source tree for subtreecopy %s\n", id);
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return ret;
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}
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/* merge the current block with the source tree */
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ret = snd_config_merge(tmp, subtree_cfg, override);
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if (ret < 0) {
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snd_config_delete(tmp);
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SNDERR("Failed to merge source tree w/ subtree %s\n", id);
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return ret;
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}
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/* merge the merged block to the target tree */
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ret = snd_config_merge(target_tree, tmp, override);
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if (ret < 0) {
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snd_config_delete(tmp);
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SNDERR("Failed to merge subtree %s w/ target\n", id);
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return ret;
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}
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}
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/* all subtree copies have been processed, remove the node */
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snd_config_delete(subtrees);
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return 0;
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}
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static int pre_process_subtree_copies(struct tplg_pre_processor *tplg_pp, snd_config_t *top,
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snd_config_t *curr)
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{
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snd_config_iterator_t i, next;
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int ret;
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if (snd_config_get_type(curr) != SND_CONFIG_TYPE_COMPOUND)
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return 0;
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/* process subtreecopies at this node */
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ret = pre_process_subtree_copy(tplg_pp, curr, top);
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if (ret < 0)
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return ret;
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/* process subtreecopies at all child nodes */
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snd_config_for_each(i, next, curr) {
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snd_config_t *n;
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n = snd_config_iterator_entry(i);
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/* process subtreecopies at this node */
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ret = pre_process_subtree_copies(tplg_pp, top, n);
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if (ret < 0)
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return ret;
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}
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return 0;
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}
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#endif /* version < 1.2.6 */
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int pre_process(struct tplg_pre_processor *tplg_pp, char *config, size_t config_size,
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@ -980,6 +1146,12 @@ int pre_process(struct tplg_pre_processor *tplg_pp, char *config, size_t config_
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fprintf(stderr, "Failed to process object arrays in input config\n");
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goto err;
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}
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err = pre_process_subtree_copies(tplg_pp, tplg_pp->input_cfg, tplg_pp->input_cfg);
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if (err < 0) {
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SNDERR("Failed to process subtree copies in input config\n");
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goto err;
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}
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#endif
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err = pre_process_config(tplg_pp, tplg_pp->input_cfg);
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