static int init(struct ao *ao)
{
struct priv *p = ao->priv;
const char **matching_ports = NULL;
char *port_name = p->cfg_port && p->cfg_port[0] ? p->cfg_port : NULL;
jack_options_t open_options = JackNullOption;
int port_flags = JackPortIsInput;
int i;
struct mp_chmap_sel sel = {0};
if (p->stdlayout == 0) {
mp_chmap_sel_add_waveext(&sel);
} else if (p->stdlayout == 1) {
mp_chmap_sel_add_alsa_def(&sel);
} else {
mp_chmap_sel_add_any(&sel);
}
if (!ao_chmap_sel_adjust(ao, &sel, &ao->channels))
goto err_out;
if (!p->autostart)
open_options |= JackNoStartServer;
p->client = jack_client_open(p->cfg_client_name, open_options, NULL);
if (!p->client) {
MP_FATAL(ao, "cannot open server\n");
goto err_out;
}
jack_set_process_callback(p->client, outputaudio, ao);
// list matching ports if connections should be made
if (p->connect) {
if (!port_name)
port_flags |= JackPortIsPhysical;
matching_ports = jack_get_ports(p->client, port_name, NULL, port_flags);
if (!matching_ports || !matching_ports[0]) {
MP_FATAL(ao, "no physical ports available\n");
goto err_out;
}
i = 1;
p->num_ports = ao->channels.num;
while (matching_ports[i])
i++;
if (p->num_ports > i)
p->num_ports = i;
}
// create out output ports
for (i = 0; i < p->num_ports; i++) {
char pname[30];
snprintf(pname, 30, "out_%d", i);
p->ports[i] =
jack_port_register(p->client, pname, JACK_DEFAULT_AUDIO_TYPE,
JackPortIsOutput, 0);
if (!p->ports[i]) {
MP_FATAL(ao, "not enough ports available\n");
goto err_out;
}
}
if (jack_activate(p->client)) {
MP_FATAL(ao, "activate failed\n");
goto err_out;
}
for (i = 0; i < p->num_ports; i++) {
if (jack_connect(p->client, jack_port_name(p->ports[i]),
matching_ports[i]))
{
MP_FATAL(ao, "connecting failed\n");
goto err_out;
}
}
ao->samplerate = jack_get_sample_rate(p->client);
jack_latency_range_t jack_latency_range;
jack_port_get_latency_range(p->ports[0], JackPlaybackLatency,
&jack_latency_range);
p->jack_latency = (float)(jack_latency_range.max + jack_get_buffer_size(p->client))
/ (float)ao->samplerate;
p->callback_interval = 0;
if (!ao_chmap_sel_get_def(ao, &sel, &ao->channels, p->num_ports))
goto err_out;
ao->format = AF_FORMAT_FLOAT_NE;
int unitsize = ao->channels.num * sizeof(float);
p->outburst = (CHUNK_SIZE + unitsize - 1) / unitsize * unitsize;
p->ring = mp_ring_new(p, NUM_CHUNKS * p->outburst);
free(matching_ports);
return 0;
err_out:
free(matching_ports);
if (p->client)
jack_client_close(p->client);
return -1;
}
static int init(struct ao *ao)
{
if (SDL_WasInit(SDL_INIT_AUDIO)) {
mp_msg(MSGT_AO, MSGL_ERR, "[sdl] already initialized\n");
return -1;
}
struct priv *priv = ao->priv;
if (SDL_InitSubSystem(SDL_INIT_AUDIO)) {
if (!ao->probing)
mp_msg(MSGT_AO, MSGL_ERR, "[sdl] SDL_Init failed\n");
uninit(ao, true);
return -1;
}
struct mp_chmap_sel sel = {0};
mp_chmap_sel_add_waveext_def(&sel);
if (!ao_chmap_sel_adjust(ao, &sel, &ao->channels)) {
uninit(ao, true);
return -1;
}
SDL_AudioSpec desired, obtained;
switch (ao->format) {
case AF_FORMAT_U8: desired.format = AUDIO_U8; break;
case AF_FORMAT_S8: desired.format = AUDIO_S8; break;
case AF_FORMAT_U16_LE: desired.format = AUDIO_U16LSB; break;
case AF_FORMAT_U16_BE: desired.format = AUDIO_U16MSB; break;
default:
case AF_FORMAT_S16_LE: desired.format = AUDIO_S16LSB; break;
case AF_FORMAT_S16_BE: desired.format = AUDIO_S16MSB; break;
#ifdef AUDIO_S32LSB
case AF_FORMAT_S32_LE: desired.format = AUDIO_S32LSB; break;
#endif
#ifdef AUDIO_S32MSB
case AF_FORMAT_S32_BE: desired.format = AUDIO_S32MSB; break;
#endif
#ifdef AUDIO_F32LSB
case AF_FORMAT_FLOAT_LE: desired.format = AUDIO_F32LSB; break;
#endif
#ifdef AUDIO_F32MSB
case AF_FORMAT_FLOAT_BE: desired.format = AUDIO_F32MSB; break;
#endif
}
desired.freq = ao->samplerate;
desired.channels = ao->channels.num;
desired.samples = FFMIN(32768, ceil_power_of_two(ao->samplerate *
priv->buflen));
desired.callback = audio_callback;
desired.userdata = ao;
mp_msg(MSGT_AO, MSGL_V, "[sdl] requested format: %d Hz, %d channels, %x, "
"buffer size: %d samples\n",
(int) desired.freq, (int) desired.channels,
(int) desired.format, (int) desired.samples);
obtained = desired;
if (SDL_OpenAudio(&desired, &obtained)) {
if (!ao->probing)
mp_msg(MSGT_AO, MSGL_ERR, "[sdl] could not open audio: %s\n",
SDL_GetError());
uninit(ao, true);
return -1;
}
mp_msg(MSGT_AO, MSGL_V, "[sdl] obtained format: %d Hz, %d channels, %x, "
"buffer size: %d samples\n",
(int) obtained.freq, (int) obtained.channels,
(int) obtained.format, (int) obtained.samples);
switch (obtained.format) {
case AUDIO_U8: ao->format = AF_FORMAT_U8; break;
case AUDIO_S8: ao->format = AF_FORMAT_S8; break;
case AUDIO_S16LSB: ao->format = AF_FORMAT_S16_LE; break;
case AUDIO_S16MSB: ao->format = AF_FORMAT_S16_BE; break;
case AUDIO_U16LSB: ao->format = AF_FORMAT_U16_LE; break;
case AUDIO_U16MSB: ao->format = AF_FORMAT_U16_BE; break;
#ifdef AUDIO_S32LSB
case AUDIO_S32LSB: ao->format = AF_FORMAT_S32_LE; break;
#endif
#ifdef AUDIO_S32MSB
case AUDIO_S32MSB: ao->format = AF_FORMAT_S32_BE; break;
#endif
#ifdef AUDIO_F32LSB
case AUDIO_F32LSB: ao->format = AF_FORMAT_FLOAT_LE; break;
#endif
#ifdef AUDIO_F32MSB
case AUDIO_F32MSB: ao->format = AF_FORMAT_FLOAT_BE; break;
#endif
default:
if (!ao->probing)
mp_msg(MSGT_AO, MSGL_ERR,
"[sdl] could not find matching format\n");
uninit(ao, true);
return -1;
}
if (!ao_chmap_sel_get_def(ao, &sel, &ao->channels, obtained.channels)) {
uninit(ao, true);
return -1;
}
ao->samplerate = obtained.freq;
priv->buffer = av_fifo_alloc(obtained.size * priv->bufcnt);
priv->buffer_mutex = SDL_CreateMutex();
if (!priv->buffer_mutex) {
mp_msg(MSGT_AO, MSGL_ERR, "[sdl] SDL_CreateMutex failed\n");
uninit(ao, true);
return -1;
}
priv->underrun_cond = SDL_CreateCond();
if (!priv->underrun_cond) {
mp_msg(MSGT_AO, MSGL_ERR, "[sdl] SDL_CreateCond failed\n");
uninit(ao, true);
return -1;
}
priv->unpause = 1;
priv->paused = 1;
priv->callback_time0 = priv->callback_time1 = mp_time_us();
return 1;
}
static int init(int rate, const struct mp_chmap *channels, int format, int flags)
{
const char **matching_ports = NULL;
char *port_name = NULL;
char *client_name = NULL;
int autostart = 0;
int connect = 1;
const opt_t subopts[] = {
{"port", OPT_ARG_MSTRZ, &port_name, NULL},
{"name", OPT_ARG_MSTRZ, &client_name, NULL},
{"estimate", OPT_ARG_BOOL, &estimate, NULL},
{"autostart", OPT_ARG_BOOL, &autostart, NULL},
{"connect", OPT_ARG_BOOL, &connect, NULL},
{NULL}
};
jack_options_t open_options = JackUseExactName;
int port_flags = JackPortIsInput;
int i;
estimate = 1;
if (subopt_parse(ao_subdevice, subopts) != 0) {
print_help();
return 0;
}
struct mp_chmap_sel sel = {0};
mp_chmap_sel_add_waveext(&sel);
if (!ao_chmap_sel_adjust(&ao_data, &sel, &ao_data.channels))
goto err_out;
if (!client_name) {
client_name = malloc(40);
sprintf(client_name, "mpv [%d]", getpid());
}
if (!autostart)
open_options |= JackNoStartServer;
client = jack_client_open(client_name, open_options, NULL);
if (!client) {
mp_msg(MSGT_AO, MSGL_FATAL, "[JACK] cannot open server\n");
goto err_out;
}
buffer = av_fifo_alloc(BUFFSIZE);
jack_set_process_callback(client, outputaudio, 0);
// list matching ports if connections should be made
if (connect) {
if (!port_name)
port_flags |= JackPortIsPhysical;
matching_ports = jack_get_ports(client, port_name, NULL, port_flags);
if (!matching_ports || !matching_ports[0]) {
mp_msg(MSGT_AO, MSGL_FATAL, "[JACK] no physical ports available\n");
goto err_out;
}
i = 1;
num_ports = ao_data.channels.num;
while (matching_ports[i]) i++;
if (num_ports > i) num_ports = i;
}
// create out output ports
for (i = 0; i < num_ports; i++) {
char pname[30];
snprintf(pname, 30, "out_%d", i);
ports[i] = jack_port_register(client, pname, JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0);
if (!ports[i]) {
mp_msg(MSGT_AO, MSGL_FATAL, "[JACK] not enough ports available\n");
goto err_out;
}
}
if (jack_activate(client)) {
mp_msg(MSGT_AO, MSGL_FATAL, "[JACK] activate failed\n");
goto err_out;
}
for (i = 0; i < num_ports; i++) {
if (jack_connect(client, jack_port_name(ports[i]), matching_ports[i])) {
mp_msg(MSGT_AO, MSGL_FATAL, "[JACK] connecting failed\n");
goto err_out;
}
}
rate = jack_get_sample_rate(client);
jack_latency_range_t jack_latency_range;
jack_port_get_latency_range(ports[0], JackPlaybackLatency,
&jack_latency_range);
jack_latency = (float)(jack_latency_range.max + jack_get_buffer_size(client))
/ (float)rate;
callback_interval = 0;
if (!ao_chmap_sel_get_def(&ao_data, &sel, &ao_data.channels, num_ports))
goto err_out;
ao_data.samplerate = rate;
ao_data.format = AF_FORMAT_FLOAT_NE;
ao_data.bps = ao_data.channels.num * rate * sizeof(float);
ao_data.buffersize = CHUNK_SIZE * NUM_CHUNKS;
ao_data.outburst = CHUNK_SIZE;
free(matching_ports);
free(port_name);
free(client_name);
return 1;
err_out:
free(matching_ports);
free(port_name);
free(client_name);
if (client)
jack_client_close(client);
av_fifo_free(buffer);
buffer = NULL;
return 0;
}
static int init(struct ao *ao)
{
if (SDL_WasInit(SDL_INIT_AUDIO)) {
MP_ERR(ao, "already initialized\n");
return -1;
}
struct priv *priv = ao->priv;
if (SDL_InitSubSystem(SDL_INIT_AUDIO)) {
if (!ao->probing)
MP_ERR(ao, "SDL_Init failed\n");
uninit(ao);
return -1;
}
struct mp_chmap_sel sel = {0};
mp_chmap_sel_add_waveext_def(&sel);
if (!ao_chmap_sel_adjust(ao, &sel, &ao->channels)) {
uninit(ao);
return -1;
}
ao->format = af_fmt_from_planar(ao->format);
SDL_AudioSpec desired, obtained;
desired.format = AUDIO_S16SYS;
for (int n = 0; fmtmap[n][0]; n++) {
if (ao->format == fmtmap[n][0]) {
desired.format = fmtmap[n][1];
break;
}
}
desired.freq = ao->samplerate;
desired.channels = ao->channels.num;
desired.samples = MPMIN(32768, ceil_power_of_two(ao->samplerate *
priv->buflen));
desired.callback = audio_callback;
desired.userdata = ao;
MP_VERBOSE(ao, "requested format: %d Hz, %d channels, %x, "
"buffer size: %d samples\n",
(int) desired.freq, (int) desired.channels,
(int) desired.format, (int) desired.samples);
obtained = desired;
if (SDL_OpenAudio(&desired, &obtained)) {
if (!ao->probing)
MP_ERR(ao, "could not open audio: %s\n", SDL_GetError());
uninit(ao);
return -1;
}
MP_VERBOSE(ao, "obtained format: %d Hz, %d channels, %x, "
"buffer size: %d samples\n",
(int) obtained.freq, (int) obtained.channels,
(int) obtained.format, (int) obtained.samples);
// The sample count is usually the number of samples the callback requests,
// which we assume is the period size. Normally, ao.c will allocate a large
// enough buffer. But in case the period size should be pathologically
// large, this will help.
ao->device_buffer = 3 * obtained.samples;
ao->format = 0;
for (int n = 0; fmtmap[n][0]; n++) {
if (obtained.format == fmtmap[n][1]) {
ao->format = fmtmap[n][0];
break;
}
}
if (!ao->format) {
if (!ao->probing)
MP_ERR(ao, "could not find matching format\n");
uninit(ao);
return -1;
}
if (!ao_chmap_sel_get_def(ao, &sel, &ao->channels, obtained.channels)) {
uninit(ao);
return -1;
}
ao->samplerate = obtained.freq;
priv->paused = 1;
return 1;
}
static int init(struct ao *ao)
{
struct priv *p = ao->priv;
struct mp_chmap_sel sel = {0};
jack_options_t open_options;
ao->format = AF_FORMAT_FLOATP;
switch (p->stdlayout) {
case 0:
mp_chmap_sel_add_waveext(&sel);
break;
case 1:
mp_chmap_sel_add_alsa_def(&sel);
break;
default:
mp_chmap_sel_add_any(&sel);
}
if (!ao_chmap_sel_adjust(ao, &sel, &ao->channels))
goto err_chmap;
open_options = JackNullOption;
if (!p->autostart)
open_options |= JackNoStartServer;
p->client = jack_client_open(p->cfg_client_name, open_options, NULL);
if (!p->client) {
MP_FATAL(ao, "cannot open server\n");
goto err_client_open;
}
if (create_ports(ao, ao->channels.num))
goto err_create_ports;
jack_set_process_callback(p->client, process, ao);
if (jack_activate(p->client)) {
MP_FATAL(ao, "activate failed\n");
goto err_activate;
}
ao->samplerate = jack_get_sample_rate(p->client);
if (p->connect)
if (connect_to_outports(ao))
goto err_connect;
jack_latency_range_t jack_latency_range;
jack_port_get_latency_range(p->ports[0], JackPlaybackLatency,
&jack_latency_range);
p->jack_latency = (float)(jack_latency_range.max + jack_get_buffer_size(p->client))
/ (float)ao->samplerate;
if (!ao_chmap_sel_get_def(ao, &sel, &ao->channels, p->num_ports))
goto err_chmap_sel_get_def;
return 0;
err_chmap_sel_get_def:
err_connect:
jack_deactivate(p->client);
err_activate:
err_create_ports:
jack_client_close(p->client);
err_client_open:
err_chmap:
return -1;
}