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author | Max Kellermann <max@duempel.org> | 2011-09-17 08:54:50 +0200 |
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committer | Max Kellermann <max@duempel.org> | 2011-09-17 08:54:50 +0200 |
commit | 5e22fe488ed7209c6e470e542826da4674e93338 (patch) | |
tree | 7fdc279dbf7b5bfde9ff0d23253bf4d7827a7d00 /src/output/null_output_plugin.c | |
parent | c666cf1c4494e61286e0e80b6184b4605a4d40d9 (diff) | |
download | mpd-5e22fe488ed7209c6e470e542826da4674e93338.tar.gz mpd-5e22fe488ed7209c6e470e542826da4674e93338.tar.xz mpd-5e22fe488ed7209c6e470e542826da4674e93338.zip |
output: rename plugin source files
Diffstat (limited to 'src/output/null_output_plugin.c')
-rw-r--r-- | src/output/null_output_plugin.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/output/null_output_plugin.c b/src/output/null_output_plugin.c new file mode 100644 index 000000000..f572959a0 --- /dev/null +++ b/src/output/null_output_plugin.c @@ -0,0 +1,119 @@ +/* + * 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 "config.h" +#include "output_api.h" +#include "timer.h" + +#include <glib.h> + +#include <assert.h> + +struct null_data { + bool sync; + + struct timer *timer; +}; + +static void * +null_init(G_GNUC_UNUSED const struct audio_format *audio_format, + G_GNUC_UNUSED const struct config_param *param, + G_GNUC_UNUSED GError **error) +{ + struct null_data *nd = g_new(struct null_data, 1); + + nd->sync = config_get_block_bool(param, "sync", true); + nd->timer = NULL; + + return nd; +} + +static void +null_finish(void *data) +{ + struct null_data *nd = data; + + assert(nd->timer == NULL); + + g_free(nd); +} + +static bool +null_open(void *data, struct audio_format *audio_format, + G_GNUC_UNUSED GError **error) +{ + struct null_data *nd = data; + + if (nd->sync) + nd->timer = timer_new(audio_format); + + return true; +} + +static void +null_close(void *data) +{ + struct null_data *nd = data; + + if (nd->timer != NULL) { + timer_free(nd->timer); + nd->timer = NULL; + } +} + +static size_t +null_play(void *data, G_GNUC_UNUSED const void *chunk, size_t size, + G_GNUC_UNUSED GError **error) +{ + struct null_data *nd = data; + struct timer *timer = nd->timer; + + if (!nd->sync) + return size; + + if (!timer->started) + timer_start(timer); + else + timer_sync(timer); + + timer_add(timer, size); + + return size; +} + +static void +null_cancel(void *data) +{ + struct null_data *nd = data; + + if (!nd->sync) + return; + + timer_reset(nd->timer); +} + +const struct audio_output_plugin null_output_plugin = { + .name = "null", + .init = null_init, + .finish = null_finish, + .open = null_open, + .close = null_close, + .play = null_play, + .cancel = null_cancel, +}; |