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authorMax Kellermann <max@duempel.org>2011-09-16 23:31:48 +0200
committerMax Kellermann <max@duempel.org>2011-09-19 09:41:21 +0200
commit74617389c88ccf630b8cce4b54d9e2fa5afb2259 (patch)
tree3d05faad2c2b3b2e9e885f2c391a35fe8f06553a /src/output_plugin.c
parentb4a8b8c0d4bf82fc56572c3f8e79108d22d78132 (diff)
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output_plugin: the plugin allocates the audio_output object
Pass audio_output objects around instead of void pointers. This will give some more control to the plugin, and prepares for non-blocking audio outputs.
Diffstat (limited to 'src/output_plugin.c')
-rw-r--r--src/output_plugin.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/src/output_plugin.c b/src/output_plugin.c
new file mode 100644
index 000000000..1e41f25f8
--- /dev/null
+++ b/src/output_plugin.c
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program 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.
+ *
+ * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "output_plugin.h"
+#include "output_internal.h"
+
+struct audio_output *
+ao_plugin_init(const struct audio_output_plugin *plugin,
+ const struct config_param *param,
+ GError **error)
+{
+ assert(plugin != NULL);
+ assert(plugin->init != NULL);
+
+ return plugin->init(param, error);
+}
+
+void
+ao_plugin_finish(struct audio_output *ao)
+{
+ ao->plugin->finish(ao);
+}
+
+bool
+ao_plugin_enable(struct audio_output *ao, GError **error_r)
+{
+ return ao->plugin->enable != NULL
+ ? ao->plugin->enable(ao, error_r)
+ : true;
+}
+
+void
+ao_plugin_disable(struct audio_output *ao)
+{
+ if (ao->plugin->disable != NULL)
+ ao->plugin->disable(ao);
+}
+
+bool
+ao_plugin_open(struct audio_output *ao, struct audio_format *audio_format,
+ GError **error)
+{
+ return ao->plugin->open(ao, audio_format, error);
+}
+
+void
+ao_plugin_close(struct audio_output *ao)
+{
+ ao->plugin->close(ao);
+}
+
+unsigned
+ao_plugin_delay(struct audio_output *ao)
+{
+ return ao->plugin->delay != NULL
+ ? ao->plugin->delay(ao)
+ : 0;
+}
+
+void
+ao_plugin_send_tag(struct audio_output *ao, const struct tag *tag)
+{
+ if (ao->plugin->send_tag != NULL)
+ ao->plugin->send_tag(ao, tag);
+}
+
+size_t
+ao_plugin_play(struct audio_output *ao, const void *chunk, size_t size,
+ GError **error)
+{
+ return ao->plugin->play(ao, chunk, size, error);
+}
+
+void
+ao_plugin_drain(struct audio_output *ao)
+{
+ if (ao->plugin->drain != NULL)
+ ao->plugin->drain(ao);
+}
+
+void
+ao_plugin_cancel(struct audio_output *ao)
+{
+ if (ao->plugin->cancel != NULL)
+ ao->plugin->cancel(ao);
+}
+
+bool
+ao_plugin_pause(struct audio_output *ao)
+{
+ return ao->plugin->pause != NULL && ao->plugin->pause(ao);
+}