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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_pcm.c
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@@ -149,6 +149,7 @@ static void pcm_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)
@@ -171,9 +172,9 @@ static int ast_read_callback(void *data)
s->owner->streamid = -1;
return 0;
}
s->fr.timelen = res / 8;
s->fr.samples = res;
s->fr.datalen = res;
delay = s->fr.timelen;
delay = s->fr.samples/8;
/* Lastly, process the frame */
if (ast_write(s->owner, &s->fr)) {
ast_log(LOG_WARNING, "Failed to write frame\n");
@@ -215,6 +216,11 @@ static int pcm_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 pcm_play(struct ast_filestream *s)
{
ast_read_callback(s);
return 0;
}
@@ -237,6 +243,36 @@ static int pcm_write(struct ast_filestream *fs, struct ast_frame *f)
return 0;
}
static int pcm_seek(struct ast_filestream *fs, long sample_offset, int whence)
{
off_t offset,min,cur,max;
min = 0;
cur = lseek(fs->fd, 0, SEEK_CUR);
max = lseek(fs->fd, 0, SEEK_END);
if(whence == SEEK_SET)
offset = sample_offset;
if(whence == SEEK_CUR)
offset = sample_offset + cur;
if(whence == SEEK_END)
offset = max - sample_offset;
offset = (offset > max)?max:offset;
offset = (offset < min)?min:offset;
return lseek(fs->fd, offset, SEEK_SET);
}
static int pcm_trunc(struct ast_filestream *fs)
{
return ftruncate(fs->fd, lseek(fs->fd,0,SEEK_CUR));
}
static long pcm_tell(struct ast_filestream *fs)
{
off_t offset;
offset = lseek(fs->fd, 0, SEEK_CUR);
return offset;
}
static char *pcm_getcomment(struct ast_filestream *s)
{
return NULL;
@@ -248,7 +284,11 @@ int load_module()
pcm_open,
pcm_rewrite,
pcm_apply,
pcm_play,
pcm_write,
pcm_seek,
pcm_trunc,
pcm_tell,
pcm_read,
pcm_close,
pcm_getcomment);