diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/output/pipe_output_plugin.c | 110 | ||||
| -rw-r--r-- | src/output_list.c | 4 |
2 files changed, 114 insertions, 0 deletions
diff --git a/src/output/pipe_output_plugin.c b/src/output/pipe_output_plugin.c new file mode 100644 index 000000000..fedf697ae --- /dev/null +++ b/src/output/pipe_output_plugin.c @@ -0,0 +1,110 @@ +/* + * Copyright (C) 2003-2009 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include "output_api.h" + +#include <stdio.h> +#include <errno.h> + +struct pipe_output { + char *cmd; + FILE *fh; +}; + +/** + * The quark used for GError.domain. + */ +static inline GQuark +pipe_output_quark(void) +{ + return g_quark_from_static_string("pipe_output"); +} + +static void * +pipe_output_init(G_GNUC_UNUSED const struct audio_format *audio_format, + const struct config_param *param, + GError **error) +{ + struct pipe_output *pd = g_new(struct pipe_output, 1); + + pd->cmd = config_dup_block_string(param, "command", NULL); + if (pd->cmd == NULL) { + g_set_error(error, pipe_output_quark(), 0, + "No \"command\" parameter specified"); + return NULL; + } + + return pd; +} + +static void +pipe_output_finish(void *data) +{ + struct pipe_output *pd = data; + + g_free(pd->cmd); + g_free(pd); +} + +static bool +pipe_output_open(void *data, G_GNUC_UNUSED struct audio_format *audio_format, + G_GNUC_UNUSED GError **error) +{ + struct pipe_output *pd = data; + + pd->fh = popen(pd->cmd, "w"); + if (pd->fh == NULL) { + g_set_error(error, pipe_output_quark(), errno, + "Error opening pipe \"%s\": %s", + pd->cmd, g_strerror(errno)); + return false; + } + + return true; +} + +static void +pipe_output_close(void *data) +{ + struct pipe_output *pd = data; + + pclose(pd->fh); +} + +static size_t +pipe_output_play(void *data, const void *chunk, size_t size, GError **error) +{ + struct pipe_output *pd = data; + size_t ret; + + ret = fwrite(chunk, 1, size, pd->fh); + if (ret == 0) + g_set_error(error, pipe_output_quark(), errno, + "Write error on pipe: %s", g_strerror(errno)); + + return ret; +} + +const struct audio_output_plugin pipe_output_plugin = { + .name = "pipe", + .init = pipe_output_init, + .finish = pipe_output_finish, + .open = pipe_output_open, + .close = pipe_output_close, + .play = pipe_output_play, +}; diff --git a/src/output_list.c b/src/output_list.c index efc337c03..937e9fd19 100644 --- a/src/output_list.c +++ b/src/output_list.c @@ -23,6 +23,7 @@ extern const struct audio_output_plugin shoutPlugin; extern const struct audio_output_plugin null_output_plugin; extern const struct audio_output_plugin fifo_output_plugin; +extern const struct audio_output_plugin pipe_output_plugin; extern const struct audio_output_plugin alsaPlugin; extern const struct audio_output_plugin ao_output_plugin; extern const struct audio_output_plugin oss_output_plugin; @@ -39,6 +40,9 @@ const struct audio_output_plugin *audio_output_plugins[] = { #ifdef HAVE_FIFO &fifo_output_plugin, #endif +#ifdef ENABLE_PIPE_OUTPUT + &pipe_output_plugin, +#endif #ifdef HAVE_ALSA &alsaPlugin, #endif |