From 3934d2d30cf97271dc7b33e3b77b101f09f916e7 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Sat, 17 Sep 2011 19:50:36 +0200
Subject: [PATCH] output/pulse: don't expose internal struct in public header
Provide _lock() and _unlock() to wrap all accesses from the mixer
plugin.
---
src/mixer/pulse_mixer_plugin.c | 12 +++++----
src/output/pulse_output_plugin.c | 43 ++++++++++++++++++++++++++++++++
src/output/pulse_output_plugin.h | 37 +++++----------------------
test/read_mixer.c | 10 ++++++++
4 files changed, 66 insertions(+), 36 deletions(-)
diff --git a/src/mixer/pulse_mixer_plugin.c b/src/mixer/pulse_mixer_plugin.c
index 8fbba4c5a..a82c032b3 100644
--- a/src/mixer/pulse_mixer_plugin.c
+++ b/src/mixer/pulse_mixer_plugin.c
@@ -191,13 +191,13 @@ pulse_mixer_get_volume(struct mixer *mixer, G_GNUC_UNUSED GError **error_r)
struct pulse_mixer *pm = (struct pulse_mixer *) mixer;
int ret;
- pa_threaded_mainloop_lock(pm->output->mainloop);
+ pulse_output_lock(pm->output);
ret = pm->online
? (int)((100*(pa_cvolume_avg(&pm->volume)+1))/PA_VOLUME_NORM)
: -1;
- pa_threaded_mainloop_unlock(pm->output->mainloop);
+ pulse_output_unlock(pm->output);
return ret;
}
@@ -209,9 +209,10 @@ pulse_mixer_set_volume(struct mixer *mixer, unsigned volume, GError **error_r)
struct pa_cvolume cvolume;
bool success;
- pa_threaded_mainloop_lock(pm->output->mainloop);
+ pulse_output_lock(pm->output);
+
if (!pm->online) {
- pa_threaded_mainloop_unlock(pm->output->mainloop);
+ pulse_output_unlock(pm->output);
g_set_error(error_r, pulse_mixer_quark(), 0, "disconnected");
return false;
}
@@ -221,7 +222,8 @@ pulse_mixer_set_volume(struct mixer *mixer, unsigned volume, GError **error_r)
success = pulse_output_set_volume(pm->output, &cvolume, error_r);
if (success)
pm->volume = cvolume;
- pa_threaded_mainloop_unlock(pm->output->mainloop);
+
+ pulse_output_unlock(pm->output);
return success;
}
diff --git a/src/output/pulse_output_plugin.c b/src/output/pulse_output_plugin.c
index 62f27967a..12b68fc3c 100644
--- a/src/output/pulse_output_plugin.c
+++ b/src/output/pulse_output_plugin.c
@@ -31,11 +31,42 @@
#include <pulse/introspect.h>
#include <pulse/subscribe.h>
#include <pulse/error.h>
+#include <pulse/version.h>
#include <assert.h>
+#include <stddef.h>
#define MPD_PULSE_NAME "Music Player Daemon"
+#if !defined(PA_CHECK_VERSION)
+/**
+ * This macro was implemented in libpulse 0.9.16.
+ */
+#define PA_CHECK_VERSION(a,b,c) false
+#endif
+
+struct pulse_output {
+ const char *name;
+ const char *server;
+ const char *sink;
+
+ struct pulse_mixer *mixer;
+
+ struct pa_threaded_mainloop *mainloop;
+ struct pa_context *context;
+ struct pa_stream *stream;
+
+ size_t writable;
+
+#if !PA_CHECK_VERSION(0,9,11)
+ /**
+ * We need this variable because pa_stream_is_corked() wasn't
+ * added before 0.9.11.
+ */
+ bool pause;
+#endif
+};
+
/**
* The quark used for GError.domain.
*/
@@ -45,6 +76,18 @@ pulse_output_quark(void)
return g_quark_from_static_string("pulse_output");
}
+void
+pulse_output_lock(struct pulse_output *po)
+{
+ pa_threaded_mainloop_lock(po->mainloop);
+}
+
+void
+pulse_output_unlock(struct pulse_output *po)
+{
+ pa_threaded_mainloop_unlock(po->mainloop);
+}
+
void
pulse_output_set_mixer(struct pulse_output *po, struct pulse_mixer *pm)
{
diff --git a/src/output/pulse_output_plugin.h b/src/output/pulse_output_plugin.h
index 2261175d5..3f260238f 100644
--- a/src/output/pulse_output_plugin.h
+++ b/src/output/pulse_output_plugin.h
@@ -21,43 +21,18 @@
#define MPD_PULSE_OUTPUT_PLUGIN_H
#include <stdbool.h>
-#include <stddef.h>
#include <glib.h>
-#include <pulse/version.h>
-
-#if !defined(PA_CHECK_VERSION)
-/**
- * This macro was implemented in libpulse 0.9.16.
- */
-#define PA_CHECK_VERSION(a,b,c) false
-#endif
-
-struct pa_operation;
+struct pulse_output;
+struct pulse_mixer;
struct pa_cvolume;
-struct pulse_output {
- const char *name;
- const char *server;
- const char *sink;
+void
+pulse_output_lock(struct pulse_output *po);
- struct pulse_mixer *mixer;
-
- struct pa_threaded_mainloop *mainloop;
- struct pa_context *context;
- struct pa_stream *stream;
-
- size_t writable;
-
-#if !PA_CHECK_VERSION(0,9,11)
- /**
- * We need this variable because pa_stream_is_corked() wasn't
- * added before 0.9.11.
- */
- bool pause;
-#endif
-};
+void
+pulse_output_unlock(struct pulse_output *po);
void
pulse_output_set_mixer(struct pulse_output *po, struct pulse_mixer *pm);
diff --git a/test/read_mixer.c b/test/read_mixer.c
index 6512e2e94..6d7ec3458 100644
--- a/test/read_mixer.c
+++ b/test/read_mixer.c
@@ -33,6 +33,16 @@
#ifdef HAVE_PULSE
#include "output/pulse_output_plugin.h"
+void
+pulse_output_lock(G_GNUC_UNUSED struct pulse_output *po)
+{
+}
+
+void
+pulse_output_unlock(G_GNUC_UNUSED struct pulse_output *po)
+{
+}
+
void
pulse_output_set_mixer(G_GNUC_UNUSED struct pulse_output *po,
G_GNUC_UNUSED struct pulse_mixer *pm)