diff options
Diffstat (limited to 'polyp/module-pipe-source.c')
| -rw-r--r-- | polyp/module-pipe-source.c | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/polyp/module-pipe-source.c b/polyp/module-pipe-source.c deleted file mode 100644 index 42f13d4b..00000000 --- a/polyp/module-pipe-source.c +++ /dev/null @@ -1,209 +0,0 @@ -/* $Id$ */ - -/*** - 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); -} |