Ejemplo n.º 1
0
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;
}
Ejemplo n.º 2
0
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;
}
Ejemplo n.º 3
0
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;
}
Ejemplo n.º 4
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;
}
Ejemplo n.º 5
0
Archivo: ao_jack.c Proyecto: Nikoli/mpv
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;
}