+++ /dev/null
-/* $Id$ */
-
-/***
- This file is part of polypaudio.
-
- polypaudio 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.
-
- polypaudio 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 polypaudio; 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 "iochannel.h"
-#include "source.h"
-#include "module.h"
-#include "util.h"
-#include "modargs.h"
-#include "xmalloc.h"
-#include "log.h"
-#include "module-pipe-source-symdef.h"
-
-PA_MODULE_AUTHOR("Lennart Poettering")
-PA_MODULE_DESCRIPTION("UNIX pipe source")
-PA_MODULE_VERSION(PACKAGE_VERSION)
-PA_MODULE_USAGE("source_name=<name for the source> file=<path of the FIFO> format=<sample format> channels=<number of channels> rate=<sample rate>")
-
-#define DEFAULT_FIFO_NAME "/tmp/music.input"
-#define DEFAULT_SOURCE_NAME "fifo_input"
-
-struct userdata {
- pa_core *core;
-
- char *filename;
-
- pa_source *source;
- pa_iochannel *io;
- pa_module *module;
- pa_memchunk chunk;
-};
-
-static const char* const valid_modargs[] = {
- "file",
- "rate",
- "channels",
- "format",
- "source_name",
- NULL
-};
-
-static void do_read(struct userdata *u) {
- ssize_t r;
- pa_memchunk chunk;
- assert(u);
-
- if (!pa_iochannel_is_readable(u->io))
- return;
-
- pa_module_set_used(u->module, pa_idxset_size(u->source->outputs));
-
- if (!u->chunk.memblock) {
- u->chunk.memblock = pa_memblock_new(1024, u->core->memblock_stat);
- u->chunk.index = chunk.length = 0;
- }
-
- assert(u->chunk.memblock && u->chunk.memblock->length > u->chunk.index);
- if ((r = pa_iochannel_read(u->io, (uint8_t*) u->chunk.memblock->data + u->chunk.index, u->chunk.memblock->length - u->chunk.index)) <= 0) {
- pa_log(__FILE__": read() failed: %s\n", strerror(errno));
- return;
- }
-
- u->chunk.length = r;
- pa_source_post(u->source, &u->chunk);
- u->chunk.index += r;
-
- if (u->chunk.index >= u->chunk.memblock->length) {
- u->chunk.index = u->chunk.length = 0;
- pa_memblock_unref(u->chunk.memblock);
- u->chunk.memblock = NULL;
- }
-}
-
-static void io_callback(PA_GCC_UNUSED pa_iochannel *io, void*userdata) {
- struct userdata *u = userdata;
- assert(u);
- do_read(u);
-}
-
-int pa__init(pa_core *c, pa_module*m) {
- struct userdata *u = NULL;
- struct stat st;
- const char *p;
- int fd = -1;
- pa_sample_spec ss;
- pa_modargs *ma = NULL;
- assert(c && m);
-
- if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
- pa_log(__FILE__": failed to parse module arguments\n");
- goto fail;
- }
-
- ss = c->default_sample_spec;
- if (pa_modargs_get_sample_spec(ma, &ss) < 0) {
- pa_log(__FILE__": invalid sample format specification\n");
- goto fail;
- }
-
- mkfifo(p = pa_modargs_get_value(ma, "file", DEFAULT_FIFO_NAME), 0777);
-
- if ((fd = open(p, O_RDWR)) < 0) {
- pa_log(__FILE__": open('%s'): %s\n", p, strerror(errno));
- goto fail;
- }
-
- pa_fd_set_cloexec(fd, 1);
-
- if (fstat(fd, &st) < 0) {
- pa_log(__FILE__": fstat('%s'): %s\n", p, strerror(errno));
- goto fail;
- }
-
- if (!S_ISFIFO(st.st_mode)) {
- pa_log(__FILE__": '%s' is not a FIFO.\n", p);
- goto fail;
- }
-
- u = pa_xmalloc0(sizeof(struct userdata));
-
- u->filename = pa_xstrdup(p);
- u->core = c;
-
- if (!(u->source = pa_source_new(c, __FILE__, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME), 0, &ss, NULL))) {
- pa_log(__FILE__": failed to create source.\n");
- goto fail;
- }
- u->source->userdata = u;
- pa_source_set_owner(u->source, m);
- u->source->description = pa_sprintf_malloc("Unix FIFO source '%s'", p);
- assert(u->source->description);
-
- u->io = pa_iochannel_new(c->mainloop, fd, -1);
- assert(u->io);
- pa_iochannel_set_callback(u->io, io_callback, u);
-
- u->chunk.memblock = NULL;
- u->chunk.index = u->chunk.length = 0;
-
- u->module = m;
- m->userdata = u;
-
- pa_modargs_free(ma);
-
- return 0;
-
-fail:
- if (ma)
- pa_modargs_free(ma);
-
- if (fd >= 0)
- close(fd);
-
- 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->chunk.memblock)
- pa_memblock_unref(u->chunk.memblock);
-
- pa_source_disconnect(u->source);
- pa_source_unref(u->source);
- pa_iochannel_free(u->io);
-
- assert(u->filename);
- unlink(u->filename);
- pa_xfree(u->filename);
-
- pa_xfree(u);
-}