decoder/flac: moved code to flac_metadata.c

1 files changed, 1 insertions, 164 deletions

diff --git a/src/decoder/_flac_common.c b/src/decoder/_flac_common.c
index 7516a7ae5..ec326762b 100644
--- a/src/decoder/_flac_common.c
+++ b/src/decoder/_flac_common.c
@@ -22,6 +22,7 @@
  */
 
 #include "_flac_common.h"
+#include "flac_metadata.h"
 
 #include <glib.h>
 
@@ -54,170 +55,6 @@ flac_data_deinit(struct flac_data *data)
 		tag_free(data->tag);
 }
 
-static bool
-flac_find_float_comment(const FLAC__StreamMetadata *block,
-			const char *cmnt, float *fl)
-{
-	int offset;
-	size_t pos;
-	int len;
-	unsigned char tmp, *p;
-
-	offset = FLAC__metadata_object_vorbiscomment_find_entry_from(block, 0,
-								     cmnt);
-	if (offset < 0)
-		return false;
-
-	pos = strlen(cmnt) + 1; /* 1 is for '=' */
-	len = block->data.vorbis_comment.comments[offset].length - pos;
-	if (len <= 0)
-		return false;
-
-	p = &block->data.vorbis_comment.comments[offset].entry[pos];
-	tmp = p[len];
-	p[len] = '\0';
-	*fl = (float)atof((char *)p);
-	p[len] = tmp;
-
-	return true;
-}
-
-static struct replay_gain_info *
-flac_parse_replay_gain(const FLAC__StreamMetadata *block)
-{
-	struct replay_gain_info *rgi;
-	bool found = false;
-
-	rgi = replay_gain_info_new();
-
-	found = flac_find_float_comment(block, "replaygain_album_gain",
-					&rgi->tuples[REPLAY_GAIN_ALBUM].gain) ||
-		flac_find_float_comment(block, "replaygain_album_peak",
-					&rgi->tuples[REPLAY_GAIN_ALBUM].peak) ||
-		flac_find_float_comment(block, "replaygain_track_gain",
-					&rgi->tuples[REPLAY_GAIN_TRACK].gain) ||
-		flac_find_float_comment(block, "replaygain_track_peak",
-					&rgi->tuples[REPLAY_GAIN_TRACK].peak);
-	if (!found) {
-		replay_gain_info_free(rgi);
-		rgi = NULL;
-	}
-
-	return rgi;
-}
-
-/**
- * Checks if the specified name matches the entry's name, and if yes,
- * returns the comment value (not null-temrinated).
- */
-static const char *
-flac_comment_value(const FLAC__StreamMetadata_VorbisComment_Entry *entry,
-		   const char *name, const char *char_tnum, size_t *length_r)
-{
-	size_t name_length = strlen(name);
-	size_t char_tnum_length = 0;
-	const char *comment = (const char*)entry->entry;
-
-	if (entry->length <= name_length ||
-	    g_ascii_strncasecmp(comment, name, name_length) != 0)
-		return NULL;
-
-	if (char_tnum != NULL) {
-		char_tnum_length = strlen(char_tnum);
-		if (entry->length > name_length + char_tnum_length + 2 &&
-		    comment[name_length] == '[' &&
-		    g_ascii_strncasecmp(comment + name_length + 1,
-					char_tnum, char_tnum_length) == 0 &&
-		    comment[name_length + char_tnum_length + 1] == ']')
-			name_length = name_length + char_tnum_length + 2;
-		else if (entry->length > name_length + char_tnum_length &&
-			 g_ascii_strncasecmp(comment + name_length,
-					     char_tnum, char_tnum_length) == 0)
-			name_length = name_length + char_tnum_length;
-	}
-
-	if (comment[name_length] == '=') {
-		*length_r = entry->length - name_length - 1;
-		return comment + name_length + 1;
-	}
-
-	return NULL;
-}
-
-/**
- * Check if the comment's name equals the passed name, and if so, copy
- * the comment value into the tag.
- */
-static bool
-flac_copy_comment(struct tag *tag,
-		  const FLAC__StreamMetadata_VorbisComment_Entry *entry,
-		  const char *name, enum tag_type tag_type,
-		  const char *char_tnum)
-{
-	const char *value;
-	size_t value_length;
-
-	value = flac_comment_value(entry, name, char_tnum, &value_length);
-	if (value != NULL) {
-		tag_add_item_n(tag, tag_type, value, value_length);
-		return true;
-	}
-
-	return false;
-}
-
-/* tracknumber is used in VCs, MPD uses "track" ..., all the other
- * tag names match */
-static const char *VORBIS_COMMENT_TRACK_KEY = "tracknumber";
-static const char *VORBIS_COMMENT_DISC_KEY = "discnumber";
-
-static void
-flac_parse_comment(struct tag *tag, const char *char_tnum,
-		   const FLAC__StreamMetadata_VorbisComment_Entry *entry)
-{
-	assert(tag != NULL);
-
-	if (flac_copy_comment(tag, entry, VORBIS_COMMENT_TRACK_KEY,
-			      TAG_TRACK, char_tnum) ||
-	    flac_copy_comment(tag, entry, VORBIS_COMMENT_DISC_KEY,
-			      TAG_DISC, char_tnum) ||
-	    flac_copy_comment(tag, entry, "album artist",
-			      TAG_ALBUM_ARTIST, char_tnum))
-		return;
-
-	for (unsigned i = 0; i < TAG_NUM_OF_ITEM_TYPES; ++i)
-		if (flac_copy_comment(tag, entry,
-				      tag_item_names[i], i, char_tnum))
-			return;
-}
-
-static void
-flac_vorbis_comments_to_tag(struct tag *tag, const char *char_tnum,
-			    const FLAC__StreamMetadata_VorbisComment *comment)
-{
-	for (unsigned i = 0; i < comment->num_comments; ++i)
-		flac_parse_comment(tag, char_tnum, &comment->comments[i]);
-}
-
-void
-flac_tag_apply_metadata(struct tag *tag, const char *track,
-			const FLAC__StreamMetadata *block)
-{
-	switch (block->type) {
-	case FLAC__METADATA_TYPE_VORBIS_COMMENT:
-		flac_vorbis_comments_to_tag(tag, track,
-					    &block->data.vorbis_comment);
-		break;
-
-	case FLAC__METADATA_TYPE_STREAMINFO:
-		tag->time = flac_duration(&block->data.stream_info);
-		break;
-
-	default:
-		break;
-	}
-}
-
 void flac_metadata_common_cb(const FLAC__StreamMetadata * block,
 			     struct flac_data *data)
 {