static int start_player(struct aurx *rx, struct audio *a)
{
const struct aucodec *ac = rx->ac;
uint32_t srate_dsp = get_srate(ac);
int err;
if (!ac)
return 0;
/* Optional resampler, if configured */
if (a->cfg.srate_play && a->cfg.srate_play != srate_dsp
&& !rx->resamp) {
srate_dsp = a->cfg.srate_play;
(void)re_printf("enable auplay resampler: %u --> %u Hz\n",
get_srate(ac), srate_dsp);
rx->sampv_rs = mem_zalloc(AUDIO_SAMPSZ * 2, NULL);
if (!rx->sampv_rs)
return ENOMEM;
err = auresamp_alloc(&rx->resamp, AUDIO_SAMPSZ,
get_srate(ac), ac->ch,
srate_dsp, ac->ch);
if (err)
return err;
}
/* Start Audio Player */
if (!rx->auplay && auplay_find(NULL)) {
struct auplay_prm prm;
prm.fmt = AUFMT_S16LE;
prm.srate = srate_dsp;
prm.ch = ac->ch;
prm.frame_size = calc_nsamp(prm.srate, prm.ch, rx->ptime);
if (!rx->ab) {
const size_t psize = 2 * prm.frame_size;
err = aubuf_alloc(&rx->ab, psize * 1, psize * 8);
if (err)
return err;
}
err = auplay_alloc(&rx->auplay, a->cfg.play_mod,
&prm, a->cfg.play_dev,
auplay_write_handler, rx);
if (err) {
DEBUG_WARNING("start_player failed (%s.%s): %m\n",
a->cfg.play_mod,
a->cfg.play_dev, err);
return err;
}
}
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);
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;
}
/**
* Play a tone from a PCM buffer
*
* @param playp Pointer to allocated player object
* @param tone PCM buffer to play
* @param srate Sampling rate
* @param ch Number of channels
* @param repeat Number of times to repeat
*
* @return 0 if success, otherwise errorcode
*/
int play_tone(struct play **playp, struct mbuf *tone, uint32_t srate,
uint8_t ch, int repeat)
{
struct auplay_prm wprm;
struct play *play;
int err;
if (playp && *playp)
return EALREADY;
play = mem_zalloc(sizeof(*play), destructor);
if (!play)
return ENOMEM;
tmr_init(&play->tmr);
play->repeat = repeat;
play->mb = mem_ref(tone);
err = lock_alloc(&play->lock);
if (err)
goto out;
wprm.fmt = AUFMT_S16LE;
wprm.ch = ch;
wprm.srate = srate;
wprm.frame_size = srate * ch * 100 / 1000;
err = auplay_alloc(&play->auplay, cfg_audio.alert_mod, &wprm,
cfg_audio.alert_dev, write_handler, play);
if (err)
goto out;
list_append(&playl, &play->le, play);
tmr_start(&play->tmr, 1000, tmr_polling, play);
out:
if (err) {
mem_deref(play);
}
else if (playp) {
play->playp = playp;
*playp = play;
}
return err;
}
int audio_set_player(struct audio *au, const char *mod, const char *device, void *user_data)
{
struct aurx *rx;
int err;
if (!au) return EINVAL;
rx = &au->rx;
/* stop the audio device first */
rx->auplay = mem_deref(rx->auplay);
err = auplay_alloc(&rx->auplay, mod, &rx->auplay_prm, device, auplay_write_handler, au, user_data);
if (err) {
DEBUG_WARNING("audio: set_player failed (%s.%s): %m\n", mod, device, err);
return err;
}
re_printf("%H", aurx_print_pipeline, &au->rx);
return 0;
}
int audio_set_player(struct audio *au, const char *mod, const char *device)
{
struct aurx *rx;
int err;
if (!au)
return EINVAL;
rx = &au->rx;
/* stop the audio device first */
rx->auplay = mem_deref(rx->auplay);
err = auplay_alloc(&rx->auplay, mod, &rx->auplay_prm, device,
auplay_write_handler, rx);
if (err) {
warning("audio: set_player failed (%s.%s): %m\n",
mod, device, err);
return err;
}
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_player(struct aurx *rx, struct audio *a)
{
const struct aucodec *ac = rx->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_play && a->cfg.srate_play != srate_dsp) {
resamp = true;
srate_dsp = a->cfg.srate_play;
}
if (a->cfg.channels_play && a->cfg.channels_play != channels_dsp) {
resamp = true;
channels_dsp = a->cfg.channels_play;
}
/* Optional resampler, if configured */
if (resamp && !rx->sampv_rs) {
info("audio: enable auplay resampler:"
" %uHz/%uch --> %uHz/%uch\n",
get_srate(ac), ac->ch, srate_dsp, channels_dsp);
rx->sampv_rs = mem_zalloc(AUDIO_SAMPSZ * 2, NULL);
if (!rx->sampv_rs)
return ENOMEM;
err = auresamp_setup(&rx->resamp,
get_srate(ac), ac->ch,
srate_dsp, channels_dsp);
if (err) {
warning("audio: could not setup auplay resampler"
" (%m)\n", err);
return err;
}
}
/* Start Audio Player */
if (!rx->auplay && auplay_find(NULL)) {
struct auplay_prm prm;
prm.srate = srate_dsp;
prm.ch = channels_dsp;
prm.ptime = rx->ptime;
if (!rx->aubuf) {
size_t psize;
psize = 2 * calc_nsamp(prm.srate, prm.ch, prm.ptime);
err = aubuf_alloc(&rx->aubuf, psize * 1, psize * 8);
if (err)
return err;
}
err = auplay_alloc(&rx->auplay, a->cfg.play_mod,
&prm, rx->device,
auplay_write_handler, rx);
if (err) {
warning("audio: start_player failed (%s.%s): %m\n",
a->cfg.play_mod, rx->device, err);
return err;
}
}
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;
}