diff options
Diffstat (limited to 'src/module-pipe-sink.c')
| -rw-r--r-- | src/module-pipe-sink.c | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/src/module-pipe-sink.c b/src/module-pipe-sink.c deleted file mode 100644 index df34f73a..00000000 --- a/src/module-pipe-sink.c +++ /dev/null @@ -1,218 +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 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 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 "sink.h" -#include "module.h" -#include "util.h" -#include "modargs.h" - -#define DEFAULT_FIFO_NAME "/tmp/musicfifo" -#define DEFAULT_SINK_NAME "fifo_output" - -struct userdata { - struct pa_core *core; - - char *filename; - - struct pa_sink *sink; - struct pa_iochannel *io; - void *mainloop_source; - - struct pa_memchunk memchunk; -}; - -static const char* const valid_modargs[] = { - "file", - "rate", - "channels", - "format", - "sink_name", - NULL -}; - -static void do_write(struct userdata *u) { - ssize_t r; - assert(u); - - u->core->mainloop->enable_fixed(u->core->mainloop, u->mainloop_source, 0); - - if (!pa_iochannel_is_writable(u->io)) - return; - - if (!u->memchunk.length) - if (pa_sink_render(u->sink, PIPE_BUF, &u->memchunk) < 0) - return; - - assert(u->memchunk.memblock && u->memchunk.length); - - if ((r = pa_iochannel_write(u->io, u->memchunk.memblock->data + u->memchunk.index, u->memchunk.length)) < 0) { - fprintf(stderr, "write() failed: %s\n", strerror(errno)); - return; - } - - u->memchunk.index += r; - u->memchunk.length -= r; - - if (u->memchunk.length <= 0) { - pa_memblock_unref(u->memchunk.memblock); - u->memchunk.memblock = NULL; - } -} - -static void notify_cb(struct pa_sink*s) { - struct userdata *u = s->userdata; - assert(s && u); - - if (pa_iochannel_is_writable(u->io)) - u->core->mainloop->enable_fixed(u->core->mainloop, u->mainloop_source, 1); -} - -static void fixed_callback(struct pa_mainloop_api *m, void *id, void *userdata) { - struct userdata *u = userdata; - assert(u); - do_write(u); -} - -static void io_callback(struct pa_iochannel *io, void*userdata) { - struct userdata *u = userdata; - assert(u); - do_write(u); -} - -int pa_module_init(struct pa_core *c, struct pa_module*m) { - struct userdata *u = NULL; - struct stat st; - const char *p; - int fd = -1; - struct pa_sample_spec ss; - struct pa_modargs *ma = NULL; - assert(c && m); - - if (!(ma = pa_modargs_new(m->argument, valid_modargs))) { - fprintf(stderr, __FILE__": failed to parse module arguments\n"); - goto fail; - } - - ss = c->default_sample_spec; - if (pa_modargs_get_sample_spec(ma, &ss) < 0) { - fprintf(stderr, __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) { - fprintf(stderr, __FILE__": open('%s'): %s\n", p, strerror(errno)); - goto fail; - } - - if (fstat(fd, &st) < 0) { - fprintf(stderr, __FILE__": fstat('%s'): %s\n", p, strerror(errno)); - goto fail; - } - - if (!S_ISFIFO(st.st_mode)) { - fprintf(stderr, __FILE__": '%s' is not a FIFO.\n", p); - goto fail; - } - - u = malloc(sizeof(struct userdata)); - assert(u); - memset(u, 0, sizeof(struct userdata)); - - u->filename = strdup(p); - assert(u->filename); - u->core = c; - - if (!(u->sink = pa_sink_new(c, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME), 0, &ss))) { - fprintf(stderr, __FILE__": failed to create sink.\n"); - goto fail; - } - u->sink->notify = notify_cb; - u->sink->userdata = u; - pa_sink_set_owner(u->sink, m); - u->sink->description = pa_sprintf_malloc("Unix FIFO sink '%s'", p); - assert(u->sink->description); - - u->io = pa_iochannel_new(c->mainloop, -1, fd); - assert(u->io); - pa_iochannel_set_callback(u->io, io_callback, u); - - u->memchunk.memblock = NULL; - u->memchunk.length = 0; - - u->mainloop_source = c->mainloop->source_fixed(c->mainloop, fixed_callback, u); - assert(u->mainloop_source); - c->mainloop->enable_fixed(c->mainloop, u->mainloop_source, 0); - - m->userdata = u; - - pa_modargs_free(ma); - - return 0; - -fail: - if (ma) - pa_modargs_free(ma); - - if (fd >= 0) - close(fd); - - pa_module_done(c, m); - - return -1; -} - -void pa_module_done(struct pa_core *c, struct pa_module*m) { - struct userdata *u; - assert(c && m); - - if (!(u = m->userdata)) - return; - - if (u->memchunk.memblock) - pa_memblock_unref(u->memchunk.memblock); - - pa_sink_free(u->sink); - pa_iochannel_free(u->io); - u->core->mainloop->cancel_fixed(u->core->mainloop, u->mainloop_source); - - assert(u->filename); - unlink(u->filename); - free(u->filename); - - free(u); -} |