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Version 0.3.0 from FTP

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@608 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2003-02-06 22:11:43 +00:00
parent 1bd973bfce
commit 8ce222478d
10 changed files with 1311 additions and 134 deletions
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44
formats/format_gsm.c
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@@ -151,6 +151,7 @@ static void gsm_close(struct ast_filestream *s)
ast_log(LOG_WARNING, "Freeing a filestream we don't seem to own\n");
close(s->fd);
free(s);
s = NULL;
}
static int ast_read_callback(void *data)
@@ -165,7 +166,7 @@ static int ast_read_callback(void *data)
s->fr.frametype = AST_FRAME_VOICE;
s->fr.subclass = AST_FORMAT_GSM;
s->fr.offset = AST_FRIENDLY_OFFSET;
s->fr.timelen = 20;
s->fr.samples = 160;
s->fr.datalen = 33;
s->fr.mallocd = 0;
s->fr.data = s->gsm;
@@ -216,6 +217,11 @@ static int gsm_apply(struct ast_channel *c, struct ast_filestream *s)
{
/* Select our owner for this stream, and get the ball rolling. */
s->owner = c;
return 0;
}
static int gsm_play(struct ast_filestream *s)
{
ast_read_callback(s);
return 0;
}
@@ -242,6 +248,38 @@ static int gsm_write(struct ast_filestream *fs, struct ast_frame *f)
return 0;
}
static int gsm_seek(struct ast_filestream *fs, long sample_offset, int whence)
{
off_t offset,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/160) * 33;
if(whence == SEEK_SET)
offset = distance;
if(whence == SEEK_CUR)
offset = distance + cur;
if(whence == SEEK_END)
offset = max - distance;
offset = (offset > max)?max:offset;
offset = (offset < min)?min:offset;
return lseek(fs->fd, offset, SEEK_SET);
}
static int gsm_trunc(struct ast_filestream *fs)
{
return ftruncate(fs->fd, lseek(fs->fd,0,SEEK_CUR));
}
static long gsm_tell(struct ast_filestream *fs)
{
off_t offset;
offset = lseek(fs->fd, 0, SEEK_CUR);
return (offset/33)*160;
}
static char *gsm_getcomment(struct ast_filestream *s)
{
return NULL;
@@ -253,7 +291,11 @@ int load_module()
gsm_open,
gsm_rewrite,
gsm_apply,
gsm_play,
gsm_write,
gsm_seek,
gsm_trunc,
gsm_tell,
gsm_read,
gsm_close,
gsm_getcomment);