/* * Copyright (C) 2003-2010 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 "fd_util.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->format = SAMPLE_FORMAT_S16; /* open the device in non-blocking mode */ so->fd = open_cloexec(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 = 16; 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, };