static int auloop_reset(struct audio_loop *al)
{
struct auplay_prm auplay_prm;
struct ausrc_prm ausrc_prm;
const struct config *cfg = conf_config();
int err;
if (!cfg)
return ENOENT;
/* Optional audio codec */
if (str_isset(aucodec))
start_codec(al, aucodec);
al->auplay = mem_deref(al->auplay);
al->ausrc = mem_deref(al->ausrc);
al->ab = mem_deref(al->ab);
al->srate = configv[al->index].srate;
al->ch = configv[al->index].ch;
al->fs = al->srate * al->ch * PTIME / 1000;
(void)re_printf("Audio-loop: %uHz, %dch\n", al->srate, al->ch);
err = aubuf_alloc(&al->ab, 320, 0);
if (err)
return err;
auplay_prm.fmt = AUFMT_S16LE;
auplay_prm.srate = al->srate;
auplay_prm.ch = al->ch;
auplay_prm.frame_size = al->fs;
err = auplay_alloc(&al->auplay, cfg->audio.play_mod, &auplay_prm,
cfg->audio.play_dev, write_handler, al);
if (err) {
DEBUG_WARNING("auplay %s,%s failed: %m\n",
cfg->audio.play_mod, cfg->audio.play_dev,
err);
return err;
}
ausrc_prm.fmt = AUFMT_S16LE;
ausrc_prm.srate = al->srate;
ausrc_prm.ch = al->ch;
ausrc_prm.frame_size = al->fs;
err = ausrc_alloc(&al->ausrc, NULL, cfg->audio.src_mod,
&ausrc_prm, cfg->audio.src_dev,
read_handler, error_handler, al);
if (err) {
DEBUG_WARNING("ausrc %s,%s failed: %m\n", cfg->audio.src_mod,
cfg->audio.src_dev, err);
return err;
}
return err;
}
int audio_set_source(struct audio *au, const char *mod, const char *device)
{
struct autx *tx;
int err;
if (!au) return EINVAL;
tx = &au->tx;
/* stop the audio device first */
tx->ausrc = mem_deref(tx->ausrc);
err = ausrc_alloc(&tx->ausrc, NULL, mod, &tx->ausrc_prm, device,
ausrc_read_handler, ausrc_error_handler, au, NULL);
if (err) {
DEBUG_WARNING("audio: set_source failed (%s.%s): %m\n", mod, device, err);
return err;
}
(void)re_printf("%H", autx_print_pipeline, &au->tx);
return 0;
}
int audio_set_source(struct audio *au, const char *mod, const char *device)
{
struct autx *tx;
int err;
if (!au)
return EINVAL;
tx = &au->tx;
/* stop the audio device first */
tx->ausrc = mem_deref(tx->ausrc);
err = ausrc_alloc(&tx->ausrc, NULL, mod, &tx->ausrc_prm, device,
ausrc_read_handler, ausrc_error_handler, au);
if (err) {
warning("audio: set_source failed (%s.%s): %m\n",
mod, device, err);
return err;
}
return 0;
}
static int start_source(struct autx *tx, struct audio *a)
{
const struct aucodec *ac = tx->ac;
uint32_t srate_dsp = get_srate(tx->ac);
int err;
if (!ac)
return 0;
/* Optional resampler, if configured */
if (a->cfg.srate_src && a->cfg.srate_src != srate_dsp &&
!tx->resamp) {
srate_dsp = a->cfg.srate_src;
(void)re_printf("enable ausrc resampler: %u --> %u Hz\n",
get_srate(ac), srate_dsp);
tx->sampv_rs = mem_zalloc(AUDIO_SAMPSZ * 2, NULL);
if (!tx->sampv_rs)
return ENOMEM;
err = auresamp_alloc(&tx->resamp, AUDIO_SAMPSZ,
srate_dsp, ac->ch,
get_srate(ac), ac->ch);
if (err)
return err;
}
/* Start Audio Source */
if (!tx->ausrc && ausrc_find(NULL)) {
struct ausrc_prm prm;
prm.fmt = AUFMT_S16LE;
prm.srate = srate_dsp;
prm.ch = ac->ch;
prm.frame_size = calc_nsamp(prm.srate, prm.ch, tx->ptime);
tx->psize = 2 * prm.frame_size;
if (!tx->ab) {
err = aubuf_alloc(&tx->ab, tx->psize * 2,
tx->psize * 30);
if (err)
return err;
}
err = ausrc_alloc(&tx->ausrc, NULL, a->cfg.src_mod,
&prm, a->cfg.src_dev,
ausrc_read_handler, ausrc_error_handler, a);
if (err) {
DEBUG_WARNING("start_source failed: %m\n", err);
return err;
}
switch (a->cfg.txmode) {
#ifdef HAVE_PTHREAD
case AUDIO_MODE_THREAD:
case AUDIO_MODE_THREAD_REALTIME:
if (!tx->u.thr.run) {
tx->u.thr.run = true;
err = pthread_create(&tx->u.thr.tid, NULL,
tx_thread, a);
if (err) {
tx->u.thr.tid = false;
return err;
}
}
break;
#endif
case AUDIO_MODE_TMR:
tmr_start(&tx->u.tmr, 1, timeout_tx, a);
break;
default:
break;
}
}
return 0;
}
static int auloop_reset(struct audio_loop *al)
{
struct auplay_prm auplay_prm;
struct ausrc_prm ausrc_prm;
const struct config *cfg = conf_config();
int err;
if (!cfg)
return ENOENT;
/* Optional audio codec */
if (str_isset(aucodec))
start_codec(al, aucodec);
/* audio player/source must be stopped first */
al->auplay = mem_deref(al->auplay);
al->ausrc = mem_deref(al->ausrc);
al->sampv = mem_deref(al->sampv);
al->ab = mem_deref(al->ab);
al->srate = configv[al->index].srate;
al->ch = configv[al->index].ch;
if (str_isset(aucodec)) {
al->sampc = al->srate * al->ch * PTIME / 1000;
al->sampv = mem_alloc(al->sampc * 2, NULL);
if (!al->sampv)
return ENOMEM;
}
info("Audio-loop: %uHz, %dch\n", al->srate, al->ch);
err = aubuf_alloc(&al->ab, 320, 0);
if (err)
return err;
auplay_prm.srate = al->srate;
auplay_prm.ch = al->ch;
auplay_prm.ptime = PTIME;
err = auplay_alloc(&al->auplay, cfg->audio.play_mod, &auplay_prm,
cfg->audio.play_dev, write_handler, al);
if (err) {
warning("auloop: auplay %s,%s failed: %m\n",
cfg->audio.play_mod, cfg->audio.play_dev,
err);
return err;
}
ausrc_prm.srate = al->srate;
ausrc_prm.ch = al->ch;
ausrc_prm.ptime = PTIME;
err = ausrc_alloc(&al->ausrc, NULL, cfg->audio.src_mod,
&ausrc_prm, cfg->audio.src_dev,
read_handler, error_handler, al);
if (err) {
warning("auloop: ausrc %s,%s failed: %m\n", cfg->audio.src_mod,
cfg->audio.src_dev, err);
return err;
}
return err;
}
static int start_source(struct autx *tx, struct audio *a)
{
const struct aucodec *ac = tx->ac;
uint32_t srate_dsp = get_srate(ac);
uint32_t channels_dsp;
bool resamp = false;
int err;
if (!ac)
return 0;
channels_dsp = ac->ch;
if (a->cfg.srate_src && a->cfg.srate_src != srate_dsp) {
resamp = true;
srate_dsp = a->cfg.srate_src;
}
if (a->cfg.channels_src && a->cfg.channels_src != channels_dsp) {
resamp = true;
channels_dsp = a->cfg.channels_src;
}
/* Optional resampler, if configured */
if (resamp && !tx->sampv_rs) {
info("audio: enable ausrc resampler:"
" %uHz/%uch <-- %uHz/%uch\n",
get_srate(ac), ac->ch, srate_dsp, channels_dsp);
tx->sampv_rs = mem_zalloc(AUDIO_SAMPSZ * 2, NULL);
if (!tx->sampv_rs)
return ENOMEM;
err = auresamp_setup(&tx->resamp,
srate_dsp, channels_dsp,
get_srate(ac), ac->ch);
if (err) {
warning("audio: could not setup ausrc resampler"
" (%m)\n", err);
return err;
}
}
/* Start Audio Source */
if (!tx->ausrc && ausrc_find(NULL)) {
struct ausrc_prm prm;
prm.srate = srate_dsp;
prm.ch = channels_dsp;
prm.ptime = tx->ptime;
tx->psize = 2 * calc_nsamp(prm.srate, prm.ch, prm.ptime);
if (!tx->aubuf) {
err = aubuf_alloc(&tx->aubuf, tx->psize * 2,
tx->psize * 30);
if (err)
return err;
}
err = ausrc_alloc(&tx->ausrc, NULL, a->cfg.src_mod,
&prm, tx->device,
ausrc_read_handler, ausrc_error_handler, a);
if (err) {
warning("audio: start_source failed (%s.%s): %m\n",
a->cfg.src_mod, tx->device, err);
return err;
}
switch (a->cfg.txmode) {
#ifdef HAVE_PTHREAD
case AUDIO_MODE_THREAD:
case AUDIO_MODE_THREAD_REALTIME:
if (!tx->u.thr.run) {
tx->u.thr.run = true;
err = pthread_create(&tx->u.thr.tid, NULL,
tx_thread, a);
if (err) {
tx->u.thr.tid = false;
return err;
}
}
break;
#endif
case AUDIO_MODE_TMR:
tmr_start(&tx->u.tmr, 1, timeout_tx, a);
break;
default:
break;
}
}
return 0;
}
static int auloop_reset(struct audio_loop *al, uint32_t srate, uint32_t ch)
{
struct auplay_prm auplay_prm;
struct ausrc_prm ausrc_prm;
const struct config *cfg = conf_config();
int err;
if (!cfg)
return ENOENT;
if (cfg->audio.src_fmt != cfg->audio.play_fmt) {
warning("auloop: ausrc_format and auplay_format"
" must be the same\n");
return EINVAL;
}
al->fmt = cfg->audio.src_fmt;
/* audio player/source must be stopped first */
al->auplay = mem_deref(al->auplay);
al->ausrc = mem_deref(al->ausrc);
al->aubuf = mem_deref(al->aubuf);
al->srate = srate;
al->ch = ch;
info("Audio-loop: %uHz, %dch, %s\n", al->srate, al->ch,
aufmt_name(al->fmt));
err = aubuf_alloc(&al->aubuf, 320, 0);
if (err)
return err;
auplay_prm.srate = al->srate;
auplay_prm.ch = al->ch;
auplay_prm.ptime = PTIME;
auplay_prm.fmt = al->fmt;
err = auplay_alloc(&al->auplay, baresip_auplayl(),
cfg->audio.play_mod, &auplay_prm,
cfg->audio.play_dev, write_handler, al);
if (err) {
warning("auloop: auplay %s,%s failed: %m\n",
cfg->audio.play_mod, cfg->audio.play_dev,
err);
return err;
}
ausrc_prm.srate = al->srate;
ausrc_prm.ch = al->ch;
ausrc_prm.ptime = PTIME;
ausrc_prm.fmt = al->fmt;
err = ausrc_alloc(&al->ausrc, baresip_ausrcl(),
NULL, cfg->audio.src_mod,
&ausrc_prm, cfg->audio.src_dev,
read_handler, error_handler, al);
if (err) {
warning("auloop: ausrc %s,%s failed: %m\n", cfg->audio.src_mod,
cfg->audio.src_dev, err);
return err;
}
return err;
}
