Ticket #80: 0001-RoarAudio-plugin.2.patch

Makefile.am

@@ -142 +142 @@
         src/output/httpd_client.h \
         src/output/httpd_internal.h \
         src/output/pulse_output_plugin.h \
+        src/output/roar_output_plugin.h \
         src/output/winmm_output_plugin.h \
         src/page.h \
         src/pcm_buffer.h \
@@ -673 +674 @@
         $(LIBWRAP_LDFLAGS) \
         $(AO_LIBS) \
         $(ALSA_LIBS) \
+        $(ROAR_LIBS) \
         $(FFADO_LIBS) \
         $(JACK_LIBS) \
         $(OPENAL_LIBS) \
@@ -706 +708 @@
 MIXER_SRC += src/mixer/alsa_mixer_plugin.c
 endif
 
+if HAVE_ROAR
+OUTPUT_SRC += src/output/roar_plugin.c
+MIXER_SRC += src/mixer/roar_mixer_plugin.c
+endif
+
 if ENABLE_FFADO_OUTPUT
 OUTPUT_SRC += src/output/ffado_output_plugin.c
 endif

configure.ac

@@ -121 +121 @@
         AS_HELP_STRING([--enable-alsa], [enable ALSA support]),,
         [enable_alsa=auto])
 
+AC_ARG_ENABLE(roar,
+        AS_HELP_STRING([--enable-roar],
+                [enable support for RoarAudio]),,
+        [enable_roar=auto])
+
 AC_ARG_ENABLE(ao,
         AS_HELP_STRING([--enable-ao],
                 [enable support for libao]),,
@@ -1221 +1226 @@
 
 AM_CONDITIONAL(HAVE_ALSA, test x$enable_alsa = xyes)
 
+dnl ----------------------------------- ROAR ----------------------------------
+MPD_AUTO_PKG(roar, ROAR, [libroar >= 0.4.0],
+        [ROAR output plugin], [libroar not found])
+
+if test x$enable_roar = xyes; then
+        AC_DEFINE(HAVE_ROAR, 1, [Define to enable ROAR support])
+fi
+
+AM_CONDITIONAL(HAVE_ROAR, test x$enable_roar = xyes)
+
 dnl ----------------------------------- FFADO ---------------------------------
 
 MPD_AUTO_PKG(ffado, FFADO, [libffado],
@@ -1430 +1445 @@
 dnl --------------------- Post Audio Output Plugins Tests ---------------------
 if
         test x$enable_alsa = xno &&
+        test x$enable_roar = xno &&
         test x$enable_ao = xno &&
         test x$enable_ffado = xno &&
         test x$enable_fifo = xno &&
@@ -1567 +1583 @@
 
 printf '\nPlayback support:\n\t'
 results(alsa,ALSA)
+results(roar,ROAR)
 results(ffado,FFADO)
 results(fifo,FIFO)
 results(recorder_output,[File Recorder])

new file src/mixer/roar_mixer_plugin.c

@@ +1 @@
+/*
+ * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * Copyright (C) 2010-2011 Philipp 'ph3-der-loewe' Schafft
+ * Copyright (C) 2010-2011 Hans-Kristian 'maister' Arntzen
+ *
+ * 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 "mixer_api.h"
+#include "output_api.h"
+#include "output/roar_output_plugin.h"
+
+#include <glib.h>
+
+#include <assert.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+typedef struct roar_mpd_mixer 
+{
+        /** the base mixer class */
+        struct mixer base;
+        roar_t *self;
+} roar_mixer_t;
+
+/**
+ * The quark used for GError.domain.
+ */
+static inline GQuark
+roar_mixer_quark(void)
+{
+        return g_quark_from_static_string("roar_mixer");
+}
+
+static struct mixer *
+roar_mixer_init(void *ao, G_GNUC_UNUSED const struct config_param *param,
+                G_GNUC_UNUSED GError **error_r)
+{
+        roar_mixer_t *self = g_new(roar_mixer_t, 1);
+        self->self = ao;
+
+        mixer_init(&self->base, &roar_mixer_plugin);
+
+        return &self->base;
+}
+
+static void
+roar_mixer_finish(struct mixer *data)
+{
+        roar_mixer_t *self = (roar_mixer_t *) data;
+
+        g_free(self);
+}
+
+static void
+roar_mixer_close(G_GNUC_UNUSED struct mixer *data)
+{
+}
+
+static bool
+roar_mixer_open(G_GNUC_UNUSED struct mixer *data, G_GNUC_UNUSED GError **error_r)
+{
+        return true;
+}
+
+static int
+roar_mixer_get_volume(struct mixer *mixer, G_GNUC_UNUSED GError **error_r)
+{
+        roar_mixer_t *self = (roar_mixer_t *)mixer;
+        if (self->self->vss)
+        {
+                float l, r;
+                int error;
+                int rc = roar_vs_volume_get(self->self->vss, &l, &r, &error);
+                return (l + r) * 50;
+        }
+        else
+                return 0;
+}
+
+static bool
+roar_mixer_set_volume(struct mixer *mixer, unsigned volume, G_GNUC_UNUSED GError **error_r)
+{
+        roar_mixer_t *self = (roar_mixer_t *)mixer;
+        if (self->self->vss)
+        {
+                assert(volume <= 100);
+
+                int error;
+                float level = volume / 100.0;
+
+                int rc = roar_vs_volume_mono(self->self->vss, level, &error);
+                return true;
+        }
+        else
+                return false;
+}
+
+const struct mixer_plugin roar_mixer_plugin = {
+        .init = roar_mixer_init,
+        .finish = roar_mixer_finish,
+        .open = roar_mixer_open,
+        .close = roar_mixer_close,
+        .get_volume = roar_mixer_get_volume,
+        .set_volume = roar_mixer_set_volume,
+        .global = true,
+};

src/mixer_list.h

@@ -28 +28 @@
 extern const struct mixer_plugin software_mixer_plugin;
 extern const struct mixer_plugin alsa_mixer_plugin;
 extern const struct mixer_plugin oss_mixer_plugin;
+extern const struct mixer_plugin roar_mixer_plugin;
 extern const struct mixer_plugin pulse_mixer_plugin;
 extern const struct mixer_plugin raop_mixer_plugin;
 extern const struct mixer_plugin winmm_mixer_plugin;

new file src/output/roar_output_plugin.h

@@ +1 @@
+/*
+ * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * Copyright (C) 2010-2011 Philipp 'ph3-der-loewe' Schafft
+ * Copyright (C) 2010-2011 Hans-Kristian 'maister' Arntzen
+ *
+ * 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.
+ */
+
+
+#ifndef __ROAR_OUTPUT_H
+#define __ROAR_OUTPUT_H
+
+#include <roaraudio.h>
+
+typedef struct roar 
+{
+        roar_vs_t * vss;
+        int err;
+        char *host;
+        char *name;
+} roar_t;
+
+#endif

new file src/output/roar_plugin.c

@@ +1 @@
+/*
+ * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * Copyright (C) 2010-2011 Philipp 'ph3-der-loewe' Schafft
+ * Copyright (C) 2010-2011 Hans-Kristian 'maister' Arntzen
+ *
+ * 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 "mixer_list.h"
+#include "roar_output_plugin.h"
+
+#include <glib.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <stdint.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+
+
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "roaraudio"
+
+static inline GQuark
+roar_output_quark(void)
+{
+        return g_quark_from_static_string("roar_output");
+}
+
+static void
+roar_configure(struct roar * self, const struct config_param *param)
+{
+        self->host = config_dup_block_string(param, "server", NULL);
+        self->name = config_dup_block_string(param, "name", "MPD");
+}
+
+static void *
+roar_init(G_GNUC_UNUSED const struct audio_format *audio_format,
+                const struct config_param *param,
+                G_GNUC_UNUSED GError **error)
+{
+        roar_t * self = roar_mm_calloc(1, sizeof(*self));
+
+        if (self == NULL) 
+                return NULL;
+
+        self->err = ROAR_ERROR_NONE;
+        roar_configure(self, param);
+        return self;
+}
+
+static void
+roar_close(void *data)
+{
+        roar_t * self = data;
+
+        if (self->vss != NULL)
+        {
+                roar_vs_close(self->vss, ROAR_VS_FALSE, &(self->err));
+                self->vss = NULL;
+        }
+}
+
+static void
+roar_finish(void *data)
+{
+        roar_t * self = data;
+
+        roar_close(data);
+
+        if (self->host != NULL)
+                g_free(self->host);
+        if (self->name != NULL)
+                g_free(self->name);
+
+        roar_mm_free(data);
+}
+
+static bool
+roar_open(void *data, struct audio_format *audio_format, GError **error)
+{
+        roar_t * self = data;
+
+        self->vss = roar_vs_new_simple(self->host, self->name, audio_format->sample_rate, audio_format->channels, ROAR_CODEC_DEFAULT, 16, ROAR_DIR_PLAY, &(self->err));
+
+        if (self->vss == NULL || self->err != ROAR_ERROR_NONE)
+        {
+                g_set_error(error, roar_output_quark(), 0, "Failed to connect to server");
+                return false;
+        }
+
+        audio_format->format = SAMPLE_FORMAT_S16;
+        audio_format->reverse_endian = 0;
+
+
+        return true;
+}
+
+// TODO: Should probably cancel stream here and reopen.
+static void
+roar_cancel(G_GNUC_UNUSED void *data)
+{
+}
+
+static size_t
+roar_play(void *data, const void *chunk, size_t size, GError **error)
+{
+        struct roar * self = data;
+        ssize_t rc;
+
+        rc = roar_vs_write(self->vss, chunk, size, &(self->err));
+        if ( rc <= 0 )
+        {
+                g_set_error(error, roar_output_quark(), 0, "Failed to play data");
+                return 0;
+        }
+
+        return rc;
+}
+
+const struct audio_output_plugin roar_output_plugin = {
+        .name = "roar",
+        .init = roar_init,
+        .finish = roar_finish,
+        .open = roar_open,
+        .play = roar_play,
+        .cancel = roar_cancel,
+        .close = roar_close,
+
+        .mixer_plugin = &roar_mixer_plugin
+};
+
+

src/output_list.c

@@ -26 +26 @@
 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 roar_output_plugin;
 extern const struct audio_output_plugin ao_output_plugin;
 extern const struct audio_output_plugin oss_output_plugin;
 extern const struct audio_output_plugin openal_output_plugin;
@@ -54 +55 @@
 #ifdef HAVE_ALSA
         &alsaPlugin,
 #endif
+#ifdef HAVE_ROAR
+   &roar_output_plugin,
+#endif
 #ifdef HAVE_AO
         &ao_output_plugin,
 #endif