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-rw-r--r--src/output/plugins/SolarisOutputPlugin.cxx198
1 files changed, 198 insertions, 0 deletions
diff --git a/src/output/plugins/SolarisOutputPlugin.cxx b/src/output/plugins/SolarisOutputPlugin.cxx
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index 000000000..30745f97c
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+++ b/src/output/plugins/SolarisOutputPlugin.cxx
@@ -0,0 +1,198 @@
+/*
+ * Copyright (C) 2003-2014 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 "SolarisOutputPlugin.hxx"
+#include "../OutputAPI.hxx"
+#include "system/fd_util.h"
+#include "util/Error.hxx"
+
+#include <sys/stropts.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#ifdef __sun
+#include <sys/audio.h>
+#else
+
+/* some fake declarations that allow build this plugin on systems
+ other than Solaris, just to see if it compiles */
+
+#define AUDIO_GETINFO 0
+#define AUDIO_SETINFO 0
+#define AUDIO_ENCODING_LINEAR 0
+
+struct audio_info {
+ struct {
+ unsigned sample_rate, channels, precision, encoding;
+ } play;
+};
+
+#endif
+
+struct SolarisOutput {
+ AudioOutput base;
+
+ /* configuration */
+ const char *device;
+
+ int fd;
+
+ SolarisOutput()
+ :base(solaris_output_plugin) {}
+
+ bool Initialize(const config_param &param, Error &error_r) {
+ return base.Configure(param, error_r);
+ }
+};
+
+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 AudioOutput *
+solaris_output_init(const config_param &param, Error &error_r)
+{
+ SolarisOutput *so = new SolarisOutput();
+ if (!so->Initialize(param, error_r)) {
+ delete so;
+ return nullptr;
+ }
+
+ so->device = param.GetBlockValue("device", "/dev/audio");
+
+ return &so->base;
+}
+
+static void
+solaris_output_finish(AudioOutput *ao)
+{
+ SolarisOutput *so = (SolarisOutput *)ao;
+
+ delete so;
+}
+
+static bool
+solaris_output_open(AudioOutput *ao, AudioFormat &audio_format,
+ Error &error)
+{
+ SolarisOutput *so = (SolarisOutput *)ao;
+ struct audio_info info;
+ int ret, flags;
+
+ /* support only 16 bit mono/stereo for now; nothing else has
+ been tested */
+ audio_format.format = SampleFormat::S16;
+
+ /* open the device in non-blocking mode */
+
+ so->fd = open_cloexec(so->device, O_WRONLY|O_NONBLOCK, 0);
+ if (so->fd < 0) {
+ error.FormatErrno("Failed to open %s",
+ so->device);
+ 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) {
+ error.SetErrno("AUDIO_GETINFO failed");
+ 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) {
+ error.SetErrno("AUDIO_SETINFO failed");
+ close(so->fd);
+ return false;
+ }
+
+ return true;
+}
+
+static void
+solaris_output_close(AudioOutput *ao)
+{
+ SolarisOutput *so = (SolarisOutput *)ao;
+
+ close(so->fd);
+}
+
+static size_t
+solaris_output_play(AudioOutput *ao, const void *chunk, size_t size,
+ Error &error)
+{
+ SolarisOutput *so = (SolarisOutput *)ao;
+ ssize_t nbytes;
+
+ nbytes = write(so->fd, chunk, size);
+ if (nbytes <= 0) {
+ error.SetErrno("Write failed");
+ return 0;
+ }
+
+ return nbytes;
+}
+
+static void
+solaris_output_cancel(AudioOutput *ao)
+{
+ SolarisOutput *so = (SolarisOutput *)ao;
+
+ ioctl(so->fd, I_FLUSH);
+}
+
+const struct AudioOutputPlugin solaris_output_plugin = {
+ "solaris",
+ solaris_output_test_default_device,
+ solaris_output_init,
+ solaris_output_finish,
+ nullptr,
+ nullptr,
+ solaris_output_open,
+ solaris_output_close,
+ nullptr,
+ nullptr,
+ solaris_output_play,
+ nullptr,
+ solaris_output_cancel,
+ nullptr,
+ nullptr,
+};