diff options
Diffstat (limited to 'modules/opus/opus.c')
| -rw-r--r-- | modules/opus/opus.c | 40 |
1 files changed, 37 insertions, 3 deletions
diff --git a/modules/opus/opus.c b/modules/opus/opus.c index 10d9f46..d1e9c24 100644 --- a/modules/opus/opus.c +++ b/modules/opus/opus.c @@ -35,25 +35,59 @@ */ +static bool opus_mirror; +static char fmtp[256] = "stereo=1;sprop-stereo=1"; +static char fmtp_mirror[256]; + + +static int opus_fmtp_enc(struct mbuf *mb, const struct sdp_format *fmt, + bool offer, void *arg) +{ + bool mirror; + + (void)arg; + (void)offer; + + if (!mb || !fmt) + return 0; + + mirror = !offer && str_isset(fmtp_mirror); + + return mbuf_printf(mb, "a=fmtp:%s %s\r\n", + fmt->id, mirror ? fmtp_mirror : fmtp); +} + + static struct aucodec opus = { .name = "opus", .srate = 48000, .crate = 48000, .ch = 2, - .fmtp = "stereo=1;sprop-stereo=1", + .fmtp = NULL, .encupdh = opus_encode_update, .ench = opus_encode_frm, .decupdh = opus_decode_update, .dech = opus_decode_frm, .plch = opus_decode_pkloss, + .fmtp_ench = opus_fmtp_enc, }; +void opus_mirror_params(const char *x) +{ + if (!opus_mirror) + return; + + info("opus: mirror parameters: \"%s\"\n", x); + + str_ncpy(fmtp_mirror, x, sizeof(fmtp_mirror)); +} + + static int module_init(void) { struct conf *conf = conf_cur(); uint32_t value; - static char fmtp[256] = "stereo=1;sprop-stereo=1"; char *p = fmtp + str_len(fmtp); bool b; int n = 0; @@ -98,7 +132,7 @@ static int module_init(void) p += n; } - opus.fmtp = fmtp; + (void)conf_get_bool(conf, "opus_mirror", &opus_mirror); debug("opus: fmtp=\"%s\"\n", fmtp); |