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authorMax Kellermann <max@duempel.org>2009-11-11 07:50:40 +0100
committerMax Kellermann <max@duempel.org>2009-11-11 07:50:40 +0100
commitf6e7dffada2e98a38a61eb54494e32dab1391480 (patch)
tree44ba42978f26f656b15da6746874bafee67ecc31 /src/decoder/_flac_common.c
parent43549db718f4d3f8fb5809f5bf4dd0e0903e8b04 (diff)
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decoder/flac: moved code to flac_metadata.c
Diffstat (limited to '')
-rw-r--r--src/decoder/_flac_common.c165
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)
{