static void FLAC__decoder_metadata_callback(FLAC__StreamDecoder const * const flac, FLAC__StreamMetadata const * const metadata, void * const client_data)
{
sox_format_t * ft = (sox_format_t *) client_data;
priv_t * p = (priv_t *)ft->priv;
(void) flac;
if (metadata->type == FLAC__METADATA_TYPE_STREAMINFO) {
p->bits_per_sample = metadata->data.stream_info.bits_per_sample;
p->channels = metadata->data.stream_info.channels;
p->sample_rate = metadata->data.stream_info.sample_rate;
p->total_samples = metadata->data.stream_info.total_samples;
}
else if (metadata->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) {
size_t i;
if (metadata->data.vorbis_comment.num_comments == 0)
return;
if (ft->oob.comments != NULL) {
lsx_warn("multiple Vorbis comment block ignored");
return;
}
for (i = 0; i < metadata->data.vorbis_comment.num_comments; ++i)
sox_append_comment(&ft->oob.comments, (char const *) metadata->data.vorbis_comment.comments[i].entry);
}
}
sox_comments_t sox_copy_comments(sox_comments_t comments)
{
sox_comments_t result = 0;
if (comments) while (*comments)
sox_append_comment(&result, *comments++);
return result;
}
void sox_append_comments(sox_comments_t * comments, char const * comment)
{
char * end;
if (comment) {
while ((end = strchr(comment, '\n'))) {
size_t len = end - comment;
char * c = lsx_malloc((len + 1) * sizeof(*c));
strncpy(c, comment, len);
c[len] = '\0';
sox_append_comment(comments, c);
comment += len + 1;
free(c);
}
if (*comment)
sox_append_comment(comments, comment);
}
}
