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refine json metadata importing

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This commit is contained in:
nu774 2013-02-16 13:03:02 +09:00
parent 93fb917b75
commit 1184a1f52b
1 changed files with 37 additions and 23 deletions
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60
src/metadata.c
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@ -166,6 +166,28 @@ void tag_put_number_pair(m4af_ctx_t *m4af, uint32_t fcc,
} }
} }
static
const char *aacenc_json_object_get_string(JSON_Object *obj, const char *key,
char *buf)
{
JSON_Value_Type type;
const char *val = 0;
type = json_value_get_type(json_object_get_value(obj, key));
if (type == JSONString)
val = json_object_get_string(obj, key);
else if (type == JSONNumber) {
double num = json_object_get_number(obj, key);
sprintf(buf, "%.15g", num);
val = buf;
} else if (type == JSONBoolean) {
int n = json_object_get_boolean(obj, key);
sprintf(buf, "%d", n);
val = buf;
}
return val;
}
void aacenc_put_tags_from_json(m4af_ctx_t *m4af, const char *json_filename) void aacenc_put_tags_from_json(m4af_ctx_t *m4af, const char *json_filename)
{ {
char *data = 0; char *data = 0;
@ -202,37 +224,29 @@ void aacenc_put_tags_from_json(m4af_ctx_t *m4af, const char *json_filename)
nelts = json_object_get_count(root); nelts = json_object_get_count(root);
for (i = 0; i < nelts; ++i) { for (i = 0; i < nelts; ++i) {
char buf[256]; char buf[256];
const char *key = 0; const char *key = json_object_get_name(root, i);
const char *val = 0; const char *val = aacenc_json_object_get_string(root, key, buf);
uint32_t fcc = 0; uint32_t fcc = get_tag_fcc_from_name(key);
JSON_Value_Type type;
key = json_object_get_name(root, i);
type = json_value_get_type(json_object_get_value(root, key));
if (type == JSONString)
val = json_object_get_string(root, key);
else if (type == JSONNumber) {
double num = json_object_get_number(root, key);
sprintf(buf, "%g", num);
val = buf;
} else if (type == JSONBoolean) {
int n = json_object_get_boolean(root, key);
sprintf(buf, "%d", n);
val = buf;
}
fcc = get_tag_fcc_from_name(key);
if (!val || !fcc) if (!val || !fcc)
continue; continue;
switch (fcc) { switch (fcc) {
case TAG_TOTAL_DISCS: case TAG_TOTAL_DISCS:
total_discs = strdup(val); break; total_discs = realloc(total_discs, strlen(val) + 1);
strcpy(total_discs, val);
break;
case TAG_TOTAL_TRACKS: case TAG_TOTAL_TRACKS:
total_tracks = strdup(val); break; total_tracks = realloc(total_tracks, strlen(val) + 1);
strcpy(total_tracks, val);
break;
case M4AF_TAG_DISK: case M4AF_TAG_DISK:
disc = strdup(val); break; disc = realloc(disc, strlen(val) + 1);
strcpy(disc, val);
break;
case M4AF_TAG_TRACK: case M4AF_TAG_TRACK:
track = strdup(val); break; track = realloc(track, strlen(val) + 1);
strcpy(track, val);
break;
default: default:
{ {
entry.tag = fcc; entry.tag = fcc;