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command: add metadata sub-property for track-list

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Requires a little bit of massaging for the key/value access to work
correctly, it's not terribly intrusive all things considered.
This commit is contained in:
Dudemanguy
2025-01-27 20:16:50 -06:00
parent 5c3262628e
commit 814316fb2a
4 changed files with 44 additions and 1 deletions
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36
player/command.c
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@@ -2004,6 +2004,13 @@ static int get_track_entry(int item, int action, void *arg, void *ctx)
struct replaygain_data rg = has_rg ? *track->stream->codec->replaygain_data
: (struct replaygain_data){0};
struct mp_tags *tags = track->stream ? track->stream->tags : &(struct mp_tags){0};
char **tag_list = talloc_zero_array(NULL, char *, tags->num_keys * 2 + 1);
for (int i = 0; i < tags->num_keys; i++) {
tag_list[2 * i] = talloc_strdup(tag_list, tags->keys[i]);
tag_list[2 * i + 1] = talloc_strdup(tag_list, tags->values[i]);
}
double par = 0.0;
if (p.par_h)
par = p.par_w / (double) p.par_h;
@@ -2087,10 +2094,37 @@ static int get_track_entry(int item, int action, void *arg, void *ctx)
.unavailable = !p.dovi},
{"dolby-vision-level", SUB_PROP_INT(p.dv_level),
.unavailable = !p.dovi},
{"metadata", SUB_PROP_KEYVALUE_LIST(tag_list),
.unavailable = !tags->num_keys},
{0}
};
return m_property_read_sub(props, action, arg);
int ret = 0;
switch (action) {
case M_PROPERTY_KEY_ACTION: ;
struct m_property_action_arg *ka = arg;
if (!strncmp(ka->key, "metadata/", 9)) {
bstr key = {0};
char *rem = "";
m_property_split_path(ka->key, &key, &rem);
ka->key = !rem[0] ? "metadata" : rem;
if (rem[0]) {
if (!tags || tags->num_keys == 0) {
ret = M_PROPERTY_UNAVAILABLE;
} else {
ret = tag_property(action, (void *)ka, tags);
}
goto done;
}
}
MP_FALLTHROUGH;
default:
ret = m_property_read_sub(props, action, arg);
}
done:
talloc_free(tag_list);
return ret;
}
static const char *track_type_name(struct track *t)