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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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63
formats/format_wav_gsm.c
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@@ -202,12 +202,16 @@ static int check_header(int fd)
return 0;
}
static int update_header(int fd, int bytes)
static int update_header(int fd)
{
int cur;
int datalen = htoll(bytes);
int filelen = htoll(52 + ((bytes + 1) & ~0x1));
off_t cur,end,bytes;
int datalen,filelen;
cur = lseek(fd, 0, SEEK_CUR);
end = lseek(fd, 0, SEEK_END);
bytes = end - 52;
datalen = htoll(bytes);
filelen = htoll(52 + ((bytes + 1) & ~0x1));
if (cur < 0) {
ast_log(LOG_WARNING, "Unable to find our position\n");
return -1;
@@ -423,6 +427,7 @@ static void wav_close(struct ast_filestream *s)
write(s->fd, &zero, 1);
close(s->fd);
free(s);
s = NULL;
}
static int ast_read_callback(void *data)
@@ -438,7 +443,7 @@ 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;
if (s->secondhalf) {
@@ -497,6 +502,11 @@ static int wav_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 wav_play(struct ast_filestream *s)
{
ast_read_callback(s);
return 0;
}
@@ -523,7 +533,7 @@ static int wav_write(struct ast_filestream *fs, struct ast_frame *f)
return -1;
}
fs->bytes += 65;
update_header(fs->fd, fs->bytes);
update_header(fs->fd);
} else {
/* Copy the data and do nothing */
memcpy(fs->gsm, f->data + len, 33);
@@ -534,6 +544,43 @@ static int wav_write(struct ast_filestream *fs, struct ast_frame *f)
return 0;
}
static int wav_seek(struct ast_filestream *fs, long sample_offset, int whence)
{
off_t offset,distance,cur,min,max;
min = 52;
cur = lseek(fs->fd, 0, SEEK_CUR);
max = lseek(fs->fd, 0, SEEK_END);
/* I'm getting sloppy here, I'm only going to go to even splits of the 2
* frames, if you want tighter cuts use format_gsm, format_pcm, or format_wav */
distance = (sample_offset/320) * 65;
if(whence == SEEK_SET)
offset = distance + min;
if(whence == SEEK_CUR)
offset = distance + cur;
if(whence == SEEK_END)
offset = max - distance;
offset = (offset < min)?min:offset;
offset = (offset > max)?max:offset;
fs->secondhalf = 0;
return lseek(fs->fd, offset, SEEK_SET);
}
static int wav_trunc(struct ast_filestream *fs)
{
if(ftruncate(fs->fd, lseek(fs->fd, 0, SEEK_CUR)))
return -1;
return update_header(fs->fd);
}
static long wav_tell(struct ast_filestream *fs)
{
off_t offset;
offset = lseek(fs->fd, 0, SEEK_CUR);
/* since this will most likely be used later in play or record, lets stick
* to that level of resolution, just even frames boundaries */
return (offset - 52)/65/320;
}
static char *wav_getcomment(struct ast_filestream *s)
{
return NULL;
@@ -545,7 +592,11 @@ int load_module()
wav_open,
wav_rewrite,
wav_apply,
wav_play,
wav_write,
wav_seek,
wav_trunc,
wav_tell,
wav_read,
wav_close,
wav_getcomment);