diff options
Diffstat (limited to 'src/output/solaris_output_plugin.c')
| -rw-r--r-- | src/output/solaris_output_plugin.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/output/solaris_output_plugin.c b/src/output/solaris_output_plugin.c new file mode 100644 index 000000000..5febf0afc --- /dev/null +++ b/src/output/solaris_output_plugin.c @@ -0,0 +1,175 @@ +/* + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "output_api.h" + +#include <glib.h> + +#include <sys/audio.h> +#include <sys/stropts.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include <fcntl.h> +#include <errno.h> + +#undef G_LOG_DOMAIN +#define G_LOG_DOMAIN "solaris_output" + +struct solaris_output { + /* configuration */ + const char *device; + + int fd; +}; + +/** + * The quark used for GError.domain. + */ +static inline GQuark +solaris_output_quark(void) +{ + return g_quark_from_static_string("solaris_output"); +} + +static bool +solaris_output_test_default_device(void) +{ + struct stat st; + + return stat("/dev/audio", &st) == 0 && S_ISCHR(st.st_mode) && + access("/dev/audio", W_OK) == 0; +} + +static void * +solaris_output_init(G_GNUC_UNUSED const struct audio_format *audio_format, + const struct config_param *param, + G_GNUC_UNUSED GError **error) +{ + struct solaris_output *so = g_new(struct solaris_output, 1); + + so->device = config_get_block_string(param, "device", "/dev/audio"); + + return so; +} + +static void +solaris_output_finish(void *data) +{ + struct solaris_output *so = data; + + g_free(so); +} + +static bool +solaris_output_open(void *data, struct audio_format *audio_format, + GError **error) +{ + struct solaris_output *so = data; + struct audio_info info; + int ret, flags; + + /* support only 16 bit mono/stereo for now; nothing else has + been tested */ + audio_format->bits = 16; + + /* open the device in non-blocking mode */ + + so->fd = open(so->device, O_WRONLY|O_NONBLOCK); + if (so->fd < 0) { + g_set_error(error, solaris_output_quark(), errno, + "Failed to open %s: %s", + so->device, g_strerror(errno)); + return false; + } + + /* restore blocking mode */ + + flags = fcntl(so->fd, F_GETFL); + if (flags > 0 && (flags & O_NONBLOCK) != 0) + fcntl(so->fd, F_SETFL, flags & ~O_NONBLOCK); + + /* configure the audio device */ + + ret = ioctl(so->fd, AUDIO_GETINFO, &info); + if (ret < 0) { + g_set_error(error, solaris_output_quark(), errno, + "AUDIO_GETINFO failed: %s", g_strerror(errno)); + close(so->fd); + return false; + } + + info.play.sample_rate = audio_format->sample_rate; + info.play.channels = audio_format->channels; + info.play.precision = audio_format->bits; + info.play.encoding = AUDIO_ENCODING_LINEAR; + + ret = ioctl(so->fd, AUDIO_SETINFO, &info); + if (ret < 0) { + g_set_error(error, solaris_output_quark(), errno, + "AUDIO_SETINFO failed: %s", g_strerror(errno)); + close(so->fd); + return false; + } + + return true; +} + +static void +solaris_output_close(void *data) +{ + struct solaris_output *so = data; + + close(so->fd); +} + +static size_t +solaris_output_play(void *data, const void *chunk, size_t size, GError **error) +{ + struct solaris_output *so = data; + ssize_t nbytes; + + nbytes = write(so->fd, chunk, size); + if (nbytes <= 0) { + g_set_error(error, solaris_output_quark(), errno, + "Write failed: %s", g_strerror(errno)); + return 0; + } + + return nbytes; +} + +static void +solaris_output_cancel(void *data) +{ + struct solaris_output *so = data; + + ioctl(so->fd, I_FLUSH); +} + +const struct audio_output_plugin solaris_output_plugin = { + .name = "solaris", + .test_default_device = solaris_output_test_default_device, + .init = solaris_output_init, + .finish = solaris_output_finish, + .open = solaris_output_open, + .close = solaris_output_close, + .play = solaris_output_play, + .cancel = solaris_output_cancel, +}; |