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Merge rmarchev's vox fixes (bug #1812)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3183 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2004-06-09 20:55:20 +00:00
parent a53d260d5f
commit 8800bd6b1f
1 changed files with 22 additions and 3 deletions
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25
formats/format_vox.c
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@@ -167,17 +167,36 @@ static char *vox_getcomment(struct ast_filestream *s)
static int vox_seek(struct ast_filestream *fs, long sample_offset, int whence) static int vox_seek(struct ast_filestream *fs, long sample_offset, int whence)
{ {
return -1; off_t offset=0,min,cur,max,distance;
min = 0;
cur = lseek(fs->fd, 0, SEEK_CUR);
max = lseek(fs->fd, 0, SEEK_END);
/* have to fudge to frame here, so not fully to sample */
distance = sample_offset/2;
if(whence == SEEK_SET)
offset = distance;
else if(whence == SEEK_CUR || whence == SEEK_FORCECUR)
offset = distance + cur;
else if(whence == SEEK_END)
offset = max - distance;
if (whence != SEEK_FORCECUR) {
offset = (offset > max)?max:offset;
offset = (offset < min)?min:offset;
}
return lseek(fs->fd, offset, SEEK_SET);
} }
static int vox_trunc(struct ast_filestream *fs) static int vox_trunc(struct ast_filestream *fs)
{ {
return -1; return ftruncate(fs->fd, lseek(fs->fd,0,SEEK_CUR));
} }
static long vox_tell(struct ast_filestream *fs) static long vox_tell(struct ast_filestream *fs)
{ {
return -1; off_t offset;
offset = lseek(fs->fd, 0, SEEK_CUR);
return offset;
} }
int load_module() int load_module()