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Diffstat (limited to 'src/modules/module-pipe-sink.c')
-rw-r--r--src/modules/module-pipe-sink.c117
1 files changed, 75 insertions, 42 deletions
diff --git a/src/modules/module-pipe-sink.c b/src/modules/module-pipe-sink.c
index e720c8ad..cc648928 100644
--- a/src/modules/module-pipe-sink.c
+++ b/src/modules/module-pipe-sink.c
@@ -62,7 +62,7 @@ PA_MODULE_USAGE(
"rate=<sample rate>"
"channel_map=<channel map>");
-#define DEFAULT_FILE_NAME "/tmp/music.output"
+#define DEFAULT_FILE_NAME "fifo_output"
#define DEFAULT_SINK_NAME "fifo_output"
struct userdata {
@@ -80,6 +80,8 @@ struct userdata {
pa_memchunk memchunk;
pa_rtpoll_item *rtpoll_item;
+
+ int write_type;
};
static const char* const valid_modargs[] = {
@@ -109,16 +111,64 @@ static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offse
n += u->memchunk.length;
*((pa_usec_t*) data) = pa_bytes_to_usec(n, &u->sink->sample_spec);
- break;
+ return 0;
}
}
return pa_sink_process_msg(o, code, data, offset, chunk);
}
+static void process_rewind(struct userdata *u) {
+ pa_assert(u);
+
+ pa_log_debug("Rewind requested but not supported by pipe sink. Ignoring.");
+ u->sink->thread_info.rewind_nbytes = 0;
+}
+
+static int process_render(struct userdata *u) {
+ pa_assert(u);
+
+ if (u->memchunk.length <= 0)
+ pa_sink_render(u->sink, PIPE_BUF, &u->memchunk);
+
+ pa_assert(u->memchunk.length > 0);
+
+ for (;;) {
+ ssize_t l;
+ void *p;
+
+ p = pa_memblock_acquire(u->memchunk.memblock);
+ l = pa_write(u->fd, (uint8_t*) p + u->memchunk.index, u->memchunk.length, &u->write_type);
+ pa_memblock_release(u->memchunk.memblock);
+
+ pa_assert(l != 0);
+
+ if (l < 0) {
+
+ if (errno == EINTR)
+ continue;
+ else if (errno != EAGAIN) {
+ pa_log("Failed to write data to FIFO: %s", pa_cstrerror(errno));
+ return -1;
+ }
+
+ } else {
+
+ u->memchunk.index += l;
+ u->memchunk.length -= l;
+
+ if (u->memchunk.length <= 0) {
+ pa_memblock_unref(u->memchunk.memblock);
+ pa_memchunk_reset(&u->memchunk);
+ }
+ }
+
+ return 0;
+ }
+}
+
static void thread_func(void *userdata) {
struct userdata *u = userdata;
- int write_type = 0;
pa_assert(u);
@@ -134,39 +184,14 @@ static void thread_func(void *userdata) {
pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
/* Render some data and write it to the fifo */
- if (u->sink->thread_info.state == PA_SINK_RUNNING && pollfd->revents) {
- ssize_t l;
- void *p;
-
- if (u->memchunk.length <= 0)
- pa_sink_render(u->sink, PIPE_BUF, &u->memchunk);
+ if (u->sink->thread_info.state == PA_SINK_RUNNING) {
- pa_assert(u->memchunk.length > 0);
+ if (u->sink->thread_info.rewind_nbytes > 0)
+ process_rewind(u);
- p = pa_memblock_acquire(u->memchunk.memblock);
- l = pa_write(u->fd, (uint8_t*) p + u->memchunk.index, u->memchunk.length, &write_type);
- pa_memblock_release(u->memchunk.memblock);
-
- pa_assert(l != 0);
-
- if (l < 0) {
-
- if (errno == EINTR)
- continue;
- else if (errno != EAGAIN) {
- pa_log("Failed to write data to FIFO: %s", pa_cstrerror(errno));
+ if (pollfd->revents) {
+ if (process_render(u) < 0)
goto fail;
- }
-
- } else {
-
- u->memchunk.index += l;
- u->memchunk.length -= l;
-
- if (u->memchunk.length <= 0) {
- pa_memblock_unref(u->memchunk.memblock);
- pa_memchunk_reset(&u->memchunk);
- }
pollfd->revents = 0;
}
@@ -205,8 +230,8 @@ int pa__init(pa_module*m) {
pa_sample_spec ss;
pa_channel_map map;
pa_modargs *ma;
- char *t;
struct pollfd *pollfd;
+ pa_sink_new_data data;
pa_assert(m);
@@ -226,11 +251,11 @@ int pa__init(pa_module*m) {
u->module = m;
m->userdata = u;
pa_memchunk_reset(&u->memchunk);
- pa_thread_mq_init(&u->thread_mq, m->core->mainloop);
u->rtpoll = pa_rtpoll_new();
- pa_rtpoll_item_new_asyncmsgq(u->rtpoll, PA_RTPOLL_EARLY, u->thread_mq.inq);
+ pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
+ u->write_type = 0;
- u->filename = pa_xstrdup(pa_modargs_get_value(ma, "file", DEFAULT_FILE_NAME));
+ u->filename = pa_runtime_path(pa_modargs_get_value(ma, "file", DEFAULT_FILE_NAME));
mkfifo(u->filename, 0666);
if ((u->fd = open(u->filename, O_RDWR|O_NOCTTY)) < 0) {
@@ -251,20 +276,28 @@ int pa__init(pa_module*m) {
goto fail;
}
- if (!(u->sink = pa_sink_new(m->core, __FILE__, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME), 0, &ss, &map))) {
+ pa_sink_new_data_init(&data);
+ data.driver = __FILE__;
+ data.module = m;
+ pa_sink_new_data_set_name(&data, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME));
+ pa_proplist_sets(data.proplist, PA_PROP_DEVICE_STRING, u->filename);
+ pa_proplist_setf(data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Unix FIFO sink %s", u->filename);
+ pa_sink_new_data_set_sample_spec(&data, &ss);
+ pa_sink_new_data_set_channel_map(&data, &map);
+
+ u->sink = pa_sink_new(m->core, &data, PA_SINK_LATENCY);
+ pa_sink_new_data_done(&data);
+
+ if (!u->sink) {
pa_log("Failed to create sink.");
goto fail;
}
u->sink->parent.process_msg = sink_process_msg;
u->sink->userdata = u;
- u->sink->flags = PA_SINK_LATENCY;
- pa_sink_set_module(u->sink, m);
pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
pa_sink_set_rtpoll(u->sink, u->rtpoll);
- pa_sink_set_description(u->sink, t = pa_sprintf_malloc("Unix FIFO sink '%s'", u->filename));
- pa_xfree(t);
u->rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1);
pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);