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Lame hack to strip ID3v1 tags from MP3 playback, so they can play back without gaps

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7054 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2005-07-07 09:53:02 +00:00
parent 2cc64c4572
commit df80798a30
1 changed files with 43 additions and 0 deletions
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43
apps/playback.c
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@ -626,6 +626,45 @@ void yield_codecs(void)
yield();
}
/* FIXME: This code should be made more generic and move to metadata.c */
void strip_id3v1_tag(void)
{
int i;
static const unsigned char tag[] = "TAG";
int tagptr;
bool found = true;
if (codecbufused >= 128)
{
tagptr = buf_widx - 128;
if (tagptr < 0)
tagptr += codecbuflen;
for(i = 0;i < 3;i++)
{
if(tagptr >= codecbuflen)
tagptr -= codecbuflen;
if(codecbuf[tagptr] != tag[i])
{
found = false;
break;
}
tagptr++;
}
if(found)
{
/* Skip id3v1 tag */
logf("Skipping ID3v1 tag\n");
buf_widx -= 128;
tracks[track_widx].available -= 128;
codecbufused -= 128;
}
}
}
void audio_fill_file_buffer(void)
{
long i, size;
@ -651,6 +690,7 @@ void audio_fill_file_buffer(void)
rc = read(current_fd, &codecbuf[buf_widx], rc);
if (rc <= 0) {
tracks[track_widx].filerem = 0;
strip_id3v1_tag();
break ;
}
@ -965,6 +1005,9 @@ bool audio_load_track(int offset, bool start_play, int peek_offset)
} else {
logf("Completely buf.");
close(fd);
strip_id3v1_tag();
if (++track_widx >= MAX_TRACK) {
track_widx = 0;
}