echo-cancel: Add alternative echo-cancellation implementation

[pulseaudio] / src / modules / module-pipe-sink.c

diff --git a/src/modules/module-pipe-sink.c b/src/modules/module-pipe-sink.c
index f3b0e8b0e6297d819c737e60414931f7fd741015..e26cbf646046bc03bef053d8027f9d9e3783b8b3 100644 (file)
--- a/src/modules/module-pipe-sink.c
+++ b/src/modules/module-pipe-sink.c
@@ -5,7 +5,7 @@
 
   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,
+  by the Free Software Foundation; either version 2.1 of the License,
   or (at your option) any later version.
 
   PulseAudio is distributed in the hope that it will be useful, but
@@ -34,6 +34,10 @@
 #include <sys/ioctl.h>
 #include <poll.h>
 
+#ifdef HAVE_SYS_FILIO_H
+#include <sys/filio.h>
+#endif
+
 #include <pulse/xmalloc.h>
 
 #include <pulsecore/core-error.h>
@@ -54,10 +58,11 @@ PA_MODULE_VERSION(PACKAGE_VERSION);
 PA_MODULE_LOAD_ONCE(FALSE);
 PA_MODULE_USAGE(
         "sink_name=<name for the sink> "
+        "sink_properties=<properties for the sink> "
         "file=<path of the FIFO> "
         "format=<sample format> "
-        "channels=<number of channels> "
         "rate=<sample rate>"
+        "channels=<number of channels> "
         "channel_map=<channel map>");
 
 #define DEFAULT_FILE_NAME "fifo_output"
@@ -83,11 +88,12 @@ struct userdata {
 };
 
 static const char* const valid_modargs[] = {
+    "sink_name",
+    "sink_properties",
     "file",
-    "rate",
     "format",
+    "rate",
     "channels",
-    "sink_name",
     "channel_map",
     NULL
 };
@@ -99,9 +105,10 @@ static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offse
 
         case PA_SINK_MESSAGE_GET_LATENCY: {
             size_t n = 0;
-            int l;
 
 #ifdef FIONREAD
+            int l;
+
             if (ioctl(u->fd, FIONREAD, &l) >= 0 && l > 0)
                 n = (size_t) l;
 #endif
@@ -120,7 +127,7 @@ 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_sink_render(u->sink, pa_pipe_buf(u->fd), &u->memchunk);
 
     pa_assert(u->memchunk.length > 0);
 
@@ -168,7 +175,6 @@ static void thread_func(void *userdata) {
     pa_log_debug("Thread starting up");
 
     pa_thread_mq_install(&u->thread_mq);
-    pa_rtpoll_install(u->rtpoll);
 
     for (;;) {
         struct pollfd *pollfd;
@@ -252,12 +258,11 @@ int pa__init(pa_module*m) {
     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) {
+    if ((u->fd = pa_open_cloexec(u->filename, O_RDWR, 0)) < 0) {
         pa_log("open('%s'): %s", u->filename, pa_cstrerror(errno));
         goto fail;
     }
 
-    pa_make_fd_cloexec(u->fd);
     pa_make_fd_nonblock(u->fd);
 
     if (fstat(u->fd, &st) < 0) {
@@ -279,6 +284,12 @@ int pa__init(pa_module*m) {
     pa_sink_new_data_set_sample_spec(&data, &ss);
     pa_sink_new_data_set_channel_map(&data, &map);
 
+    if (pa_modargs_get_proplist(ma, "sink_properties", data.proplist, PA_UPDATE_REPLACE) < 0) {
+        pa_log("Invalid properties");
+        pa_sink_new_data_done(&data);
+        goto fail;
+    }
+
     u->sink = pa_sink_new(m->core, &data, PA_SINK_LATENCY);
     pa_sink_new_data_done(&data);
 
@@ -292,13 +303,15 @@ int pa__init(pa_module*m) {
 
     pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
     pa_sink_set_rtpoll(u->sink, u->rtpoll);
+    pa_sink_set_max_request(u->sink, pa_pipe_buf(u->fd));
+    pa_sink_set_fixed_latency(u->sink, pa_bytes_to_usec(pa_pipe_buf(u->fd), &u->sink->sample_spec));
 
     u->rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1);
     pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
     pollfd->fd = u->fd;
     pollfd->events = pollfd->revents = 0;
 
-    if (!(u->thread = pa_thread_new(thread_func, u))) {
+    if (!(u->thread = pa_thread_new("pipe-sink", thread_func, u))) {
         pa_log("Failed to create thread.");
         goto fail;
     }