diff options
Diffstat (limited to 'src/modules/module-jack-source.c')
| -rw-r--r-- | src/modules/module-jack-source.c | 402 |
1 files changed, 0 insertions, 402 deletions
diff --git a/src/modules/module-jack-source.c b/src/modules/module-jack-source.c deleted file mode 100644 index 2a492929..00000000 --- a/src/modules/module-jack-source.c +++ /dev/null @@ -1,402 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of PulseAudio. - - PulseAudio is free software; you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as published - by the Free Software Foundation; either version 2 of the License, - or (at your option) any later version. - - PulseAudio 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 Lesser General Public License - along with PulseAudio; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -***/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <stdlib.h> -#include <sys/stat.h> -#include <stdio.h> -#include <assert.h> -#include <errno.h> -#include <string.h> -#include <fcntl.h> -#include <unistd.h> -#include <limits.h> -#include <pthread.h> - -#include <jack/jack.h> - -#include <pulse/xmalloc.h> - -#include <pulsecore/core-error.h> -#include <pulsecore/iochannel.h> -#include <pulsecore/source.h> -#include <pulsecore/module.h> -#include <pulsecore/core-util.h> -#include <pulsecore/modargs.h> -#include <pulsecore/log.h> -#include <pulse/mainloop-api.h> - -#include "module-jack-source-symdef.h" - -PA_MODULE_AUTHOR("Lennart Poettering") -PA_MODULE_DESCRIPTION("Jack Source") -PA_MODULE_VERSION(PACKAGE_VERSION) -PA_MODULE_USAGE( - "source_name=<name of source> " - "server_name=<jack server name> " - "client_name=<jack client name> " - "channels=<number of channels> " - "connect=<connect ports?>" - "channel_map=<channel map>") - -#define DEFAULT_SOURCE_NAME "jack_in" - -struct userdata { - pa_core *core; - pa_module *module; - - pa_source *source; - - unsigned channels; - - jack_port_t* port[PA_CHANNELS_MAX]; - jack_client_t *client; - - pthread_mutex_t mutex; - pthread_cond_t cond; - - void * buffer[PA_CHANNELS_MAX]; - jack_nframes_t frames_posted; - int quit_requested; - - int pipe_fds[2]; - int pipe_fd_type; - pa_io_event *io_event; - - jack_nframes_t frames_in_buffer; - jack_nframes_t timestamp; -}; - -static const char* const valid_modargs[] = { - "source_name", - "server_name", - "client_name", - "channels", - "connect", - "channel_map", - NULL -}; - -static void stop_source(struct userdata *u) { - assert (u); - - jack_client_close(u->client); - u->client = NULL; - u->core->mainloop->io_free(u->io_event); - u->io_event = NULL; - pa_source_disconnect(u->source); - pa_source_unref(u->source); - u->source = NULL; - pa_module_unload_request(u->module); -} - -static void io_event_cb(pa_mainloop_api *m, pa_io_event *e, int fd, pa_io_event_flags_t flags, void *userdata) { - struct userdata *u = userdata; - char x; - - assert(m); - assert(flags == PA_IO_EVENT_INPUT); - assert(u); - assert(u->pipe_fds[0] == fd); - - pa_read(fd, &x, 1, &u->pipe_fd_type); - - if (u->quit_requested) { - stop_source(u); - u->quit_requested = 0; - return; - } - - pthread_mutex_lock(&u->mutex); - - if (u->frames_posted > 0) { - unsigned fs; - jack_nframes_t frame_idx; - pa_memchunk chunk; - - fs = pa_frame_size(&u->source->sample_spec); - - chunk.memblock = pa_memblock_new(chunk.length = u->frames_posted * fs, u->core->memblock_stat); - chunk.index = 0; - - for (frame_idx = 0; frame_idx < u->frames_posted; frame_idx ++) { - unsigned c; - - for (c = 0; c < u->channels; c++) { - float *s = ((float*) u->buffer[c]) + frame_idx; - float *d = ((float*) ((uint8_t*) chunk.memblock->data + chunk.index)) + (frame_idx * u->channels) + c; - - *d = *s; - } - } - - pa_source_post(u->source, &chunk); - pa_memblock_unref(chunk.memblock); - - u->frames_posted = 0; - - pthread_cond_signal(&u->cond); - } - - pthread_mutex_unlock(&u->mutex); -} - -static void request_post(struct userdata *u) { - char c = 'x'; - assert(u); - - assert(u->pipe_fds[1] >= 0); - pa_write(u->pipe_fds[1], &c, 1, &u->pipe_fd_type); -} - -static void jack_shutdown(void *arg) { - struct userdata *u = arg; - assert(u); - - u->quit_requested = 1; - request_post(u); -} - -static int jack_process(jack_nframes_t nframes, void *arg) { - struct userdata *u = arg; - assert(u); - - if (jack_transport_query(u->client, NULL) == JackTransportRolling) { - unsigned c; - - pthread_mutex_lock(&u->mutex); - - u->frames_posted = nframes; - - for (c = 0; c < u->channels; c++) { - u->buffer[c] = jack_port_get_buffer(u->port[c], nframes); - assert(u->buffer[c]); - } - - request_post(u); - - pthread_cond_wait(&u->cond, &u->mutex); - - u->frames_in_buffer = nframes; - u->timestamp = jack_get_current_transport_frame(u->client); - - pthread_mutex_unlock(&u->mutex); - } - - return 0; -} - -static pa_usec_t source_get_latency_cb(pa_source *s) { - struct userdata *u; - jack_nframes_t n, l, d; - - assert(s); - u = s->userdata; - - if (jack_transport_query(u->client, NULL) != JackTransportRolling) - return 0; - - n = jack_get_current_transport_frame(u->client); - - if (n < u->timestamp) - return 0; - - d = n - u->timestamp; - l = jack_port_get_total_latency(u->client, u->port[0]); - - return pa_bytes_to_usec((l + d) * pa_frame_size(&s->sample_spec), &s->sample_spec); -} - -static void jack_error_func(const char*t) { - pa_log_warn(__FILE__": JACK error >%s<", t); -} - -int pa__init(pa_core *c, pa_module*m) { - struct userdata *u = NULL; - pa_sample_spec ss; - pa_channel_map map; - pa_modargs *ma = NULL; - jack_status_t status; - const char *server_name, *client_name; - uint32_t channels = 0; - int do_connect = 1; - unsigned i; - const char **ports = NULL, **p; - - assert(c); - assert(m); - - jack_set_error_function(jack_error_func); - - if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { - pa_log(__FILE__": failed to parse module arguments."); - goto fail; - } - - if (pa_modargs_get_value_boolean(ma, "connect", &do_connect) < 0) { - pa_log(__FILE__": failed to parse connect= argument."); - goto fail; - } - - server_name = pa_modargs_get_value(ma, "server_name", NULL); - client_name = pa_modargs_get_value(ma, "client_name", "PulseAudio"); - - u = pa_xnew0(struct userdata, 1); - m->userdata = u; - u->core = c; - u->module = m; - u->pipe_fds[0] = u->pipe_fds[1] = -1; - u->pipe_fd_type = 0; - - pthread_mutex_init(&u->mutex, NULL); - pthread_cond_init(&u->cond, NULL); - - if (pipe(u->pipe_fds) < 0) { - pa_log(__FILE__": pipe() failed: %s", pa_cstrerror(errno)); - goto fail; - } - - pa_make_nonblock_fd(u->pipe_fds[1]); - - if (!(u->client = jack_client_open(client_name, server_name ? JackServerName : JackNullOption, &status, server_name))) { - pa_log(__FILE__": jack_client_open() failed."); - goto fail; - } - - ports = jack_get_ports(u->client, NULL, NULL, JackPortIsPhysical|JackPortIsOutput); - - channels = 0; - for (p = ports; *p; p++) - channels++; - - if (!channels) - channels = c->default_sample_spec.channels; - - if (pa_modargs_get_value_u32(ma, "channels", &channels) < 0 || channels <= 0 || channels >= PA_CHANNELS_MAX) { - pa_log(__FILE__": failed to parse channels= argument."); - goto fail; - } - - pa_channel_map_init_auto(&map, channels, PA_CHANNEL_MAP_ALSA); - if (pa_modargs_get_channel_map(ma, &map) < 0 || map.channels != channels) { - pa_log(__FILE__": failed to parse channel_map= argument."); - goto fail; - } - - pa_log_info(__FILE__": Successfully connected as '%s'", jack_get_client_name(u->client)); - - ss.channels = u->channels = channels; - ss.rate = jack_get_sample_rate(u->client); - ss.format = PA_SAMPLE_FLOAT32NE; - - assert(pa_sample_spec_valid(&ss)); - - for (i = 0; i < ss.channels; i++) { - if (!(u->port[i] = jack_port_register(u->client, pa_channel_position_to_string(map.map[i]), JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput|JackPortIsTerminal, 0))) { - pa_log(__FILE__": jack_port_register() failed."); - goto fail; - } - } - - if (!(u->source = pa_source_new(c, __FILE__, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME), 0, &ss, &map))) { - pa_log(__FILE__": failed to create source."); - goto fail; - } - - u->source->userdata = u; - pa_source_set_owner(u->source, m); - u->source->description = pa_sprintf_malloc("Jack source (%s)", jack_get_client_name(u->client)); - u->source->get_latency = source_get_latency_cb; - - jack_set_process_callback(u->client, jack_process, u); - jack_on_shutdown(u->client, jack_shutdown, u); - - if (jack_activate(u->client)) { - pa_log(__FILE__": jack_activate() failed"); - goto fail; - } - - if (do_connect) { - for (i = 0, p = ports; i < ss.channels; i++, p++) { - - if (!*p) { - pa_log(__FILE__": not enough physical output ports, leaving unconnected."); - break; - } - - pa_log_info(__FILE__": connecting %s to %s", jack_port_name(u->port[i]), *p); - - if (jack_connect(u->client, *p, jack_port_name(u->port[i]))) { - pa_log(__FILE__": failed to connect %s to %s, leaving unconnected.", jack_port_name(u->port[i]), *p); - break; - } - } - - } - - u->io_event = c->mainloop->io_new(c->mainloop, u->pipe_fds[0], PA_IO_EVENT_INPUT, io_event_cb, u); - - free(ports); - pa_modargs_free(ma); - - return 0; - -fail: - if (ma) - pa_modargs_free(ma); - - free(ports); - - pa__done(c, m); - - return -1; -} - -void pa__done(pa_core *c, pa_module*m) { - struct userdata *u; - assert(c && m); - - if (!(u = m->userdata)) - return; - - if (u->client) - jack_client_close(u->client); - - if (u->io_event) - c->mainloop->io_free(u->io_event); - - if (u->source) { - pa_source_disconnect(u->source); - pa_source_unref(u->source); - } - - if (u->pipe_fds[0] >= 0) - close(u->pipe_fds[0]); - if (u->pipe_fds[1] >= 0) - close(u->pipe_fds[1]); - - pthread_mutex_destroy(&u->mutex); - pthread_cond_destroy(&u->cond); - pa_xfree(u); -} |