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-rw-r--r--src/decoder/_flac_common.c22
-rw-r--r--src/decoder/_flac_common.h6
-rw-r--r--src/decoder/flac_plugin.c32
-rw-r--r--src/decoder/oggflac_plugin.c14
4 files changed, 43 insertions, 31 deletions
diff --git a/src/decoder/_flac_common.c b/src/decoder/_flac_common.c
index ddce994de..2cf17ca40 100644
--- a/src/decoder/_flac_common.c
+++ b/src/decoder/_flac_common.c
@@ -99,10 +99,9 @@ static const char *VORBIS_COMMENT_TRACK_KEY = "tracknumber";
static const char *VORBIS_COMMENT_DISC_KEY = "discnumber";
static bool
-flac_copy_vorbis_comment(const
- FLAC__StreamMetadata_VorbisComment_Entry * entry,
- enum tag_type type,
- struct tag ** tag)
+flac_copy_vorbis_comment(struct tag *tag,
+ const FLAC__StreamMetadata_VorbisComment_Entry *entry,
+ enum tag_type type)
{
const char *str;
size_t slen;
@@ -123,10 +122,7 @@ flac_copy_vorbis_comment(const
if ((vlen > 0) && (0 == strncasecmp(str, (char *)entry->entry, slen))
&& (*(entry->entry + slen) == '=')) {
- if (!*tag)
- *tag = tag_new();
-
- tag_add_item_n(*tag, type,
+ tag_add_item_n(tag, type,
(char *)(entry->entry + slen + 1), vlen);
return true;
@@ -135,9 +131,9 @@ flac_copy_vorbis_comment(const
return false;
}
-struct tag *
-flac_vorbis_comments_to_tag(const FLAC__StreamMetadata * block,
- struct tag * tag)
+void
+flac_vorbis_comments_to_tag(struct tag *tag,
+ const FLAC__StreamMetadata *block)
{
unsigned int i, j;
FLAC__StreamMetadata_VorbisComment_Entry *comments;
@@ -146,13 +142,11 @@ flac_vorbis_comments_to_tag(const FLAC__StreamMetadata * block,
for (i = block->data.vorbis_comment.num_comments; i != 0; --i) {
for (j = TAG_NUM_OF_ITEM_TYPES; j--;) {
- if (flac_copy_vorbis_comment(comments, j, &tag))
+ if (flac_copy_vorbis_comment(tag, comments, j))
break;
}
comments++;
}
-
- return tag;
}
void flac_metadata_common_cb(const FLAC__StreamMetadata * block,
diff --git a/src/decoder/_flac_common.h b/src/decoder/_flac_common.h
index 08b84c337..817f4ba5a 100644
--- a/src/decoder/_flac_common.h
+++ b/src/decoder/_flac_common.h
@@ -166,9 +166,9 @@ void flac_error_common_cb(const char *plugin,
FLAC__StreamDecoderErrorStatus status,
struct flac_data *data);
-struct tag *
-flac_vorbis_comments_to_tag(const FLAC__StreamMetadata * block,
- struct tag *tag);
+void
+flac_vorbis_comments_to_tag(struct tag *tag,
+ const FLAC__StreamMetadata *block);
FLAC__StreamDecoderWriteStatus
flac_common_write(struct flac_data *data, const FLAC__Frame * frame,
diff --git a/src/decoder/flac_plugin.c b/src/decoder/flac_plugin.c
index edf268331..e02c13638 100644
--- a/src/decoder/flac_plugin.c
+++ b/src/decoder/flac_plugin.c
@@ -225,7 +225,7 @@ flac_write_cb(const flac_decoder *dec, const FLAC__Frame *frame,
static struct tag *
flac_tag_load(const char *file)
{
- struct tag *ret = NULL;
+ struct tag *tag;
FLAC__Metadata_SimpleIterator *it;
FLAC__StreamMetadata *block = NULL;
@@ -252,27 +252,31 @@ flac_tag_load(const char *file)
g_debug("Reading '%s' metadata gave the following error: %s\n",
file, err);
FLAC__metadata_simple_iterator_delete(it);
- return ret;
+ return NULL;
}
+ tag = tag_new();
do {
block = FLAC__metadata_simple_iterator_get_block(it);
if (!block)
break;
if (block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) {
- flac_vorbis_comments_to_tag(block, ret);
+ flac_vorbis_comments_to_tag(tag, block);
} else if (block->type == FLAC__METADATA_TYPE_STREAMINFO) {
- if (!ret)
- ret = tag_new();
- ret->time = ((float)block->data.stream_info.
- total_samples) /
+ tag->time = ((float)block->data.stream_info.total_samples) /
block->data.stream_info.sample_rate + 0.5;
}
FLAC__metadata_object_delete(block);
} while (FLAC__metadata_simple_iterator_next(it));
FLAC__metadata_simple_iterator_delete(it);
- return ret;
+
+ if (!tag_is_defined(tag)) {
+ tag_free(tag);
+ tag = NULL;
+ }
+
+ return tag;
}
static struct tag *
@@ -419,20 +423,26 @@ oggflac_tag_dup(const char *file)
goto out;
it = FLAC__metadata_iterator_new();
FLAC__metadata_iterator_init(it, chain);
+
+ ret = tag_new();
do {
if (!(block = FLAC__metadata_iterator_get_block(it)))
break;
if (block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) {
- ret = flac_vorbis_comments_to_tag(block, ret);
+ flac_vorbis_comments_to_tag(ret, block);
} else if (block->type == FLAC__METADATA_TYPE_STREAMINFO) {
- if (!ret)
- ret = tag_new();
ret->time = ((float)block->data.stream_info.
total_samples) /
block->data.stream_info.sample_rate + 0.5;
}
} while (FLAC__metadata_iterator_next(it));
FLAC__metadata_iterator_delete(it);
+
+ if (!tag_is_defined(ret)) {
+ tag_free(ret);
+ ret = NULL;
+ }
+
out:
FLAC__metadata_chain_delete(chain);
return ret;
diff --git a/src/decoder/oggflac_plugin.c b/src/decoder/oggflac_plugin.c
index 237f826d3..667f8b17e 100644
--- a/src/decoder/oggflac_plugin.c
+++ b/src/decoder/oggflac_plugin.c
@@ -24,6 +24,7 @@
#include <glib.h>
#include <OggFLAC/seekable_stream_decoder.h>
+#include <assert.h>
#include <unistd.h>
static void oggflac_cleanup(struct flac_data *data,
@@ -168,16 +169,16 @@ static void of_metadata_dup_cb(G_GNUC_UNUSED const OggFLAC__SeekableStreamDecode
{
struct flac_data *data = (struct flac_data *) vdata;
+ assert(data->tag != NULL);
+
switch (block->type) {
case FLAC__METADATA_TYPE_STREAMINFO:
- if (!data->tag)
- data->tag = tag_new();
data->tag->time = ((float)block->data.stream_info.
total_samples) /
block->data.stream_info.sample_rate + 0.5;
return;
case FLAC__METADATA_TYPE_VORBIS_COMMENT:
- flac_vorbis_comments_to_tag(block, data->tag);
+ flac_vorbis_comments_to_tag(data->tag, block);
default:
break;
}
@@ -271,6 +272,8 @@ oggflac_tag_dup(const char *file)
flac_data_init(&data, NULL, &input_stream);
+ data.tag = tag_new();
+
/* errors here won't matter,
* data.tag will be set or unset, that's all we care about */
decoder = full_decoder_init_and_read_metadata(&data, 1);
@@ -278,6 +281,11 @@ oggflac_tag_dup(const char *file)
oggflac_cleanup(&data, decoder);
input_stream_close(&input_stream);
+ if (!tag_is_defined(data.tag)) {
+ tag_free(data.tag);
+ data.tag = NULL;
+ }
+
return data.tag;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 19:35:10 +0000