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LOOPSTART, LOOPLENGTH tag pair for ogg

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git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@298 51a99a44-fe44-0410-b1ba-c3e57ba2b86b
This commit is contained in:
halleyscometsw 2008-07-08 22:07:15 +00:00
parent 0bf566d602
commit 2b44d289cf
1 changed files with 14 additions and 1 deletions
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15
src/meta/ogg_vorbis_file.c
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@ -83,6 +83,8 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
int loop_flag = 0;
int32_t loop_start = 0;
int loop_length_found = 0;
int32_t loop_length = 0;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
@ -146,12 +148,20 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
strstr(comment->user_comments[i],"LOOP_START=")==
comment->user_comments[i] ||
strstr(comment->user_comments[i],"COMMENT=LOOPPOINT=")==
comment->user_comments[i] ||
strstr(comment->user_comments[i],"LOOPSTART=")==
comment->user_comments[i]
) {
loop_start=atol(strrchr(comment->user_comments[i],'=')+1);
loop_flag=1;
break;
}
else if (strstr(comment->user_comments[i],"LOOPLENGTH=")==
comment->user_comments[i]) {
loop_length=atol(strrchr(comment->user_comments[i],'=')+1);
loop_length_found=1;
break;
}
}
}
@ -171,7 +181,10 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
if (loop_flag) {
vgmstream->loop_start_sample = loop_start;
vgmstream->loop_end_sample = vgmstream->num_samples;
if (loop_length_found)
vgmstream->loop_end_sample = loop_start+loop_length;
else
vgmstream->loop_end_sample = vgmstream->num_samples;
vgmstream->loop_flag = loop_flag;
}
vgmstream->coding_type = coding_ogg_vorbis;