From ece8c1347caae044db0fc4565ed3db6028d7b90e Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Sun, 26 Oct 2008 11:29:44 +0100 Subject: renamed src/audioOutputs/ to src/output/ Again, no CamelCase in the directory name. --- src/audioOutputs/audioOutput_jack.c | 486 ------------------------------------ 1 file changed, 486 deletions(-) delete mode 100644 src/audioOutputs/audioOutput_jack.c (limited to 'src/audioOutputs/audioOutput_jack.c') diff --git a/src/audioOutputs/audioOutput_jack.c b/src/audioOutputs/audioOutput_jack.c deleted file mode 100644 index 6f2bcd3a1..000000000 --- a/src/audioOutputs/audioOutput_jack.c +++ /dev/null @@ -1,486 +0,0 @@ -/* jack plug in for the Music Player Daemon (MPD) - * (c)2006 by anarch(anarchsss@gmail.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include "../output_api.h" - -#ifdef HAVE_JACK - -#include "../utils.h" -#include "../log.h" - -#include - -#include -#include -#include - -static const size_t sample_size = sizeof(jack_default_audio_sample_t); - -struct jack_data { - struct audio_output *ao; - - /* configuration */ - const char *name; - const char *output_ports[2]; - int ringbuffer_size; - - /* for srate() only */ - struct audio_format *audio_format; - - /* jack library stuff */ - jack_port_t *ports[2]; - jack_client_t *client; - jack_ringbuffer_t *ringbuffer[2]; - int bps; - int shutdown; -}; - -static struct jack_data * -mpd_jack_new(void) -{ - struct jack_data *ret; - - ret = xcalloc(sizeof(*ret), 1); - - ret->name = "mpd"; - ret->ringbuffer_size = 32768; - - return ret; -} - -static void -mpd_jack_client_free(struct jack_data *jd) -{ - assert(jd != NULL); - - if (jd->client != NULL) { - jack_deactivate(jd->client); - jack_client_close(jd->client); - jd->client = NULL; - } - - if (jd->ringbuffer[0] != NULL) { - jack_ringbuffer_free(jd->ringbuffer[0]); - jd->ringbuffer[0] = NULL; - } - - if (jd->ringbuffer[1] != NULL) { - jack_ringbuffer_free(jd->ringbuffer[1]); - jd->ringbuffer[1] = NULL; - } -} - -static void -mpd_jack_free(struct jack_data *jd) -{ - int i; - - assert(jd != NULL); - - mpd_jack_client_free(jd); - - if (strcmp(jd->name, "mpd") != 0) - xfree(jd->name); - - for ( i = ARRAY_SIZE(jd->output_ports); --i >= 0; ) { - if (!jd->output_ports[i]) - continue; - xfree(jd->output_ports[i]); - } - - free(jd); -} - -static void -mpd_jack_finish(void *data) -{ - struct jack_data *jd = data; - mpd_jack_free(jd); -} - -static int -mpd_jack_srate(mpd_unused jack_nframes_t rate, void *data) -{ - struct jack_data *jd = (struct jack_data *)data; - struct audio_format *audioFormat = jd->audio_format; - - audioFormat->sample_rate = (int)jack_get_sample_rate(jd->client); - - return 0; -} - -static int -mpd_jack_process(jack_nframes_t nframes, void *arg) -{ - struct jack_data *jd = (struct jack_data *) arg; - jack_default_audio_sample_t *out; - size_t available; - - if (nframes <= 0) - return 0; - - for (unsigned i = 0; i < 2; ++i) { - available = jack_ringbuffer_read_space(jd->ringbuffer[i]); - assert(available % sample_size == 0); - available /= sample_size; - if (available > nframes) - available = nframes; - - out = jack_port_get_buffer(jd->ports[i], nframes); - jack_ringbuffer_read(jd->ringbuffer[i], - (char *)out, available * sample_size); - - while (available < nframes) - /* ringbuffer underrun, fill with silence */ - out[available++] = 0.0; - } - - return 0; -} - -static void -mpd_jack_shutdown(void *arg) -{ - struct jack_data *jd = (struct jack_data *) arg; - jd->shutdown = 1; -} - -static void -set_audioformat(struct jack_data *jd, struct audio_format *audio_format) -{ - audio_format->sample_rate = jack_get_sample_rate(jd->client); - DEBUG("samplerate = %u\n", audio_format->sample_rate); - audio_format->channels = 2; - - if (audio_format->bits != 16 && audio_format->bits != 24) - audio_format->bits = 24; - - jd->bps = audio_format->channels - * sizeof(jack_default_audio_sample_t) - * audio_format->sample_rate; -} - -static void -mpd_jack_error(const char *msg) -{ - ERROR("jack: %s\n", msg); -} - -static void * -mpd_jack_init(struct audio_output *ao, - mpd_unused const struct audio_format *audio_format, - ConfigParam *param) -{ - struct jack_data *jd; - BlockParam *bp; - char *endptr; - int val; - char *cp = NULL; - - jd = mpd_jack_new(); - jd->ao = ao; - - DEBUG("mpd_jack_init (pid=%d)\n", getpid()); - if (param == NULL) - return jd; - - if ( (bp = getBlockParam(param, "ports")) ) { - DEBUG("output_ports=%s\n", bp->value); - - if (!(cp = strchr(bp->value, ','))) - FATAL("expected comma and a second value for '%s' " - "at line %d: %s\n", - bp->name, bp->line, bp->value); - - *cp = '\0'; - jd->output_ports[0] = xstrdup(bp->value); - *cp++ = ','; - - if (!*cp) - FATAL("expected a second value for '%s' at line %d: " - "%s\n", bp->name, bp->line, bp->value); - - jd->output_ports[1] = xstrdup(cp); - - if (strchr(cp,',')) - FATAL("Only %d values are supported for '%s' " - "at line %d\n", - (int)ARRAY_SIZE(jd->output_ports), - bp->name, bp->line); - } - - if ( (bp = getBlockParam(param, "ringbuffer_size")) ) { - errno = 0; - val = strtol(bp->value, &endptr, 10); - - if ( errno == 0 && endptr != bp->value) { - jd->ringbuffer_size = val < 32768 ? 32768 : val; - DEBUG("ringbuffer_size=%d\n", jd->ringbuffer_size); - } else { - FATAL("%s is not a number; ringbuf_size=%d\n", - bp->value, jd->ringbuffer_size); - } - } - - if ( (bp = getBlockParam(param, "name")) - && (strcmp(bp->value, "mpd") != 0) ) { - jd->name = xstrdup(bp->value); - DEBUG("name=%s\n", jd->name); - } - - return jd; -} - -static int -mpd_jack_test_default_device(void) -{ - return 0; -} - -static int -mpd_jack_connect(struct jack_data *jd, struct audio_format *audio_format) -{ - const char **jports; - char *port_name; - - jd->audio_format = audio_format; - - if ( (jd->client = jack_client_new(jd->name)) == NULL ) { - ERROR("jack server not running?\n"); - return -1; - } - - jack_set_error_function(mpd_jack_error); - jack_set_process_callback(jd->client, mpd_jack_process, jd); - jack_set_sample_rate_callback(jd->client, mpd_jack_srate, jd); - jack_on_shutdown(jd->client, mpd_jack_shutdown, jd); - - if ( jack_activate(jd->client) ) { - ERROR("cannot activate client\n"); - return -1; - } - - jd->ports[0] = jack_port_register(jd->client, "left", - JACK_DEFAULT_AUDIO_TYPE, - JackPortIsOutput, 0); - if ( !jd->ports[0] ) { - ERROR("Cannot register left output port.\n"); - return -1; - } - - jd->ports[1] = jack_port_register(jd->client, "right", - JACK_DEFAULT_AUDIO_TYPE, - JackPortIsOutput, 0); - if ( !jd->ports[1] ) { - ERROR("Cannot register right output port.\n"); - return -1; - } - - /* hay que buscar que hay */ - if (!jd->output_ports[1] && - (jports = jack_get_ports(jd->client, NULL, NULL, - JackPortIsPhysical | JackPortIsInput))) { - jd->output_ports[0] = jports[0]; - jd->output_ports[1] = jports[1] ? jports[1] : jports[0]; - DEBUG("output_ports: %s %s\n", - jd->output_ports[0], jd->output_ports[1]); - free(jports); - } - - if ( jd->output_ports[1] ) { - jd->ringbuffer[0] = jack_ringbuffer_create(jd->ringbuffer_size); - jd->ringbuffer[1] = jack_ringbuffer_create(jd->ringbuffer_size); - memset(jd->ringbuffer[0]->buf, 0, jd->ringbuffer[0]->size); - memset(jd->ringbuffer[1]->buf, 0, jd->ringbuffer[1]->size); - - port_name = xmalloc(sizeof(char)*(7+strlen(jd->name))); - - sprintf(port_name, "%s:left", jd->name); - if ( (jack_connect(jd->client, port_name, - jd->output_ports[0])) != 0 ) { - ERROR("%s is not a valid Jack Client / Port\n", - jd->output_ports[0]); - free(port_name); - return -1; - } - sprintf(port_name, "%s:right", jd->name); - if ( (jack_connect(jd->client, port_name, - jd->output_ports[1])) != 0 ) { - ERROR("%s is not a valid Jack Client / Port\n", - jd->output_ports[1]); - free(port_name); - return -1; - } - free(port_name); - } - - return 1; -} - -static int -mpd_jack_open(void *data, struct audio_format *audio_format) -{ - struct jack_data *jd = data; - - assert(jd != NULL); - - if (jd->client == NULL && mpd_jack_connect(jd, audio_format) < 0) { - mpd_jack_client_free(jd); - return -1; - } - - set_audioformat(jd, audio_format); - - return 0; -} - -static void -mpd_jack_close(mpd_unused void *data) -{ - /*mpd_jack_finish(audioOutput);*/ -} - -static void -mpd_jack_cancel (mpd_unused void *data) -{ -} - -static inline jack_default_audio_sample_t -sample_16_to_jack(int16_t sample) -{ - return sample / (jack_default_audio_sample_t)(1 << (16 - 1)); -} - -static void -mpd_jack_write_samples_16(struct jack_data *jd, const int16_t *src, - unsigned num_samples) -{ - jack_default_audio_sample_t sample; - - while (num_samples-- > 0) { - sample = sample_16_to_jack(*src++); - jack_ringbuffer_write(jd->ringbuffer[0], (void*)&sample, - sizeof(sample)); - - sample = sample_16_to_jack(*src++); - jack_ringbuffer_write(jd->ringbuffer[1], (void*)&sample, - sizeof(sample)); - } -} - -static inline jack_default_audio_sample_t -sample_24_to_jack(int32_t sample) -{ - return sample / (jack_default_audio_sample_t)(1 << (24 - 1)); -} - -static void -mpd_jack_write_samples_24(struct jack_data *jd, const int32_t *src, - unsigned num_samples) -{ - jack_default_audio_sample_t sample; - - while (num_samples-- > 0) { - sample = sample_24_to_jack(*src++); - jack_ringbuffer_write(jd->ringbuffer[0], (void*)&sample, - sizeof(sample)); - - sample = sample_24_to_jack(*src++); - jack_ringbuffer_write(jd->ringbuffer[1], (void*)&sample, - sizeof(sample)); - } -} - -static void -mpd_jack_write_samples(struct jack_data *jd, const void *src, - unsigned num_samples) -{ - switch (jd->audio_format->bits) { - case 16: - mpd_jack_write_samples_16(jd, (const int16_t*)src, - num_samples); - break; - - case 24: - mpd_jack_write_samples_24(jd, (const int32_t*)src, - num_samples); - break; - - default: - assert(false); - } -} - -static int -mpd_jack_play(void *data, const char *buff, size_t size) -{ - struct jack_data *jd = data; - const size_t frame_size = audio_format_frame_size(jd->audio_format); - size_t space, space1; - - if (jd->shutdown) { - ERROR("Refusing to play, because there is no client thread.\n"); - mpd_jack_client_free(jd); - audio_output_closed(jd->ao); - return 0; - } - - assert(size % frame_size == 0); - size /= frame_size; - while (size > 0 && !jd->shutdown) { - space = jack_ringbuffer_write_space(jd->ringbuffer[0]); - space1 = jack_ringbuffer_write_space(jd->ringbuffer[1]); - if (space > space1) - /* send data symmetrically */ - space = space1; - - space /= sample_size; - if (space > 0) { - if (space > size) - space = size; - - mpd_jack_write_samples(jd, buff, space); - - buff += space * frame_size; - size -= space; - } else { - /* XXX do something more intelligent to - synchronize */ - my_usleep(10000); - } - - } - - return 0; -} - -const struct audio_output_plugin jackPlugin = { - .name = "jack", - .test_default_device = mpd_jack_test_default_device, - .init = mpd_jack_init, - .finish = mpd_jack_finish, - .open = mpd_jack_open, - .play = mpd_jack_play, - .cancel = mpd_jack_cancel, - .close = mpd_jack_close, -}; - -#else /* HAVE JACK */ - -DISABLED_AUDIO_OUTPUT_PLUGIN(jackPlugin) - -#endif /* HAVE_JACK */ -- cgit v1.2.3