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Diffstat (limited to '')
-rw-r--r-- | src/output/RoarOutputPlugin.cxx | 393 |
1 files changed, 393 insertions, 0 deletions
diff --git a/src/output/RoarOutputPlugin.cxx b/src/output/RoarOutputPlugin.cxx new file mode 100644 index 000000000..43aeb09a2 --- /dev/null +++ b/src/output/RoarOutputPlugin.cxx @@ -0,0 +1,393 @@ +/* + * Copyright (C) 2003-2013 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 "RoarOutputPlugin.hxx" +#include "output_api.h" +#include "mixer_list.h" +#include "thread/Mutex.hxx" + +#include <glib.h> + +#include <roaraudio.h> + +#undef G_LOG_DOMAIN +#define G_LOG_DOMAIN "roaraudio" + +struct RoarOutput { + struct audio_output base; + + roar_vs_t * vss; + int err; + char *host; + char *name; + int role; + struct roar_connection con; + struct roar_audio_info info; + Mutex mutex; + volatile bool alive; + + RoarOutput() + :err(ROAR_ERROR_NONE), + host(nullptr), name(nullptr) {} + + ~RoarOutput() { + g_free(host); + g_free(name); + } +}; + +static inline GQuark +roar_output_quark(void) +{ + return g_quark_from_static_string("roar_output"); +} + +static int +roar_output_get_volume_locked(RoarOutput *roar) +{ + if (roar->vss == nullptr || !roar->alive) + return -1; + + float l, r; + int error; + if (roar_vs_volume_get(roar->vss, &l, &r, &error) < 0) + return -1; + + return (l + r) * 50; +} + +int +roar_output_get_volume(RoarOutput *roar) +{ + const ScopeLock protect(roar->mutex); + return roar_output_get_volume_locked(roar); +} + +static bool +roar_output_set_volume_locked(RoarOutput *roar, unsigned volume) +{ + assert(volume <= 100); + + if (roar->vss == nullptr || !roar->alive) + return false; + + int error; + float level = volume / 100.0; + + roar_vs_volume_mono(roar->vss, level, &error); + return true; +} + +bool +roar_output_set_volume(RoarOutput *roar, unsigned volume) +{ + const ScopeLock protect(roar->mutex); + return roar_output_set_volume_locked(roar, volume); +} + +static void +roar_configure(RoarOutput *self, const struct config_param *param) +{ + self->host = config_dup_block_string(param, "server", nullptr); + self->name = config_dup_block_string(param, "name", "MPD"); + + const char *role = config_get_block_string(param, "role", "music"); + self->role = role != nullptr + ? roar_str2role(role) + : ROAR_ROLE_MUSIC; +} + +static struct audio_output * +roar_init(const struct config_param *param, GError **error_r) +{ + RoarOutput *self = new RoarOutput(); + + if (!ao_base_init(&self->base, &roar_output_plugin, param, error_r)) { + delete self; + return nullptr; + } + + roar_configure(self, param); + return &self->base; +} + +static void +roar_finish(struct audio_output *ao) +{ + RoarOutput *self = (RoarOutput *)ao; + + ao_base_finish(&self->base); + delete self; +} + +static void +roar_use_audio_format(struct roar_audio_info *info, + struct audio_format *audio_format) +{ + info->rate = audio_format->sample_rate; + info->channels = audio_format->channels; + info->codec = ROAR_CODEC_PCM_S; + + switch (audio_format->format) { + case SAMPLE_FORMAT_UNDEFINED: + info->bits = 16; + audio_format->format = SAMPLE_FORMAT_S16; + break; + + case SAMPLE_FORMAT_S8: + info->bits = 8; + break; + + case SAMPLE_FORMAT_S16: + info->bits = 16; + break; + + case SAMPLE_FORMAT_S24_P32: + info->bits = 32; + audio_format->format = SAMPLE_FORMAT_S32; + break; + + case SAMPLE_FORMAT_S32: + info->bits = 32; + break; + } +} + +static bool +roar_open(struct audio_output *ao, struct audio_format *audio_format, GError **error) +{ + RoarOutput *self = (RoarOutput *)ao; + const ScopeLock protect(self->mutex); + + if (roar_simple_connect(&(self->con), self->host, self->name) < 0) + { + g_set_error(error, roar_output_quark(), 0, + "Failed to connect to Roar server"); + return false; + } + + self->vss = roar_vs_new_from_con(&(self->con), &(self->err)); + + if (self->vss == nullptr || self->err != ROAR_ERROR_NONE) + { + g_set_error(error, roar_output_quark(), 0, + "Failed to connect to server"); + return false; + } + + roar_use_audio_format(&self->info, audio_format); + + if (roar_vs_stream(self->vss, &(self->info), ROAR_DIR_PLAY, + &(self->err)) < 0) + { + g_set_error(error, roar_output_quark(), 0, "Failed to start stream"); + return false; + } + roar_vs_role(self->vss, self->role, &(self->err)); + self->alive = true; + + return true; +} + +static void +roar_close(struct audio_output *ao) +{ + RoarOutput *self = (RoarOutput *)ao; + const ScopeLock protect(self->mutex); + + self->alive = false; + + if (self->vss != nullptr) + roar_vs_close(self->vss, ROAR_VS_TRUE, &(self->err)); + self->vss = nullptr; + roar_disconnect(&(self->con)); +} + +static void +roar_cancel_locked(RoarOutput *self) +{ + if (self->vss == nullptr) + return; + + roar_vs_t *vss = self->vss; + self->vss = nullptr; + roar_vs_close(vss, ROAR_VS_TRUE, &(self->err)); + self->alive = false; + + vss = roar_vs_new_from_con(&(self->con), &(self->err)); + if (vss == nullptr) + return; + + if (roar_vs_stream(vss, &(self->info), ROAR_DIR_PLAY, + &(self->err)) < 0) { + roar_vs_close(vss, ROAR_VS_TRUE, &(self->err)); + g_warning("Failed to start stream"); + return; + } + + roar_vs_role(vss, self->role, &(self->err)); + self->vss = vss; + self->alive = true; +} + +static void +roar_cancel(struct audio_output *ao) +{ + RoarOutput *self = (RoarOutput *)ao; + + const ScopeLock protect(self->mutex); + roar_cancel_locked(self); +} + +static size_t +roar_play(struct audio_output *ao, const void *chunk, size_t size, GError **error) +{ + RoarOutput *self = (RoarOutput *)ao; + ssize_t rc; + + if (self->vss == nullptr) + { + g_set_error(error, roar_output_quark(), 0, "Connection is invalid"); + return 0; + } + + 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; +} + +static const char* +roar_tag_convert(enum tag_type type, bool *is_uuid) +{ + *is_uuid = false; + switch (type) + { + case TAG_ARTIST: + case TAG_ALBUM_ARTIST: + return "AUTHOR"; + case TAG_ALBUM: + return "ALBUM"; + case TAG_TITLE: + return "TITLE"; + case TAG_TRACK: + return "TRACK"; + case TAG_NAME: + return "NAME"; + case TAG_GENRE: + return "GENRE"; + case TAG_DATE: + return "DATE"; + case TAG_PERFORMER: + return "PERFORMER"; + case TAG_COMMENT: + return "COMMENT"; + case TAG_DISC: + return "DISCID"; + case TAG_COMPOSER: +#ifdef ROAR_META_TYPE_COMPOSER + return "COMPOSER"; +#else + return "AUTHOR"; +#endif + case TAG_MUSICBRAINZ_ARTISTID: + case TAG_MUSICBRAINZ_ALBUMID: + case TAG_MUSICBRAINZ_ALBUMARTISTID: + case TAG_MUSICBRAINZ_TRACKID: + *is_uuid = true; + return "HASH"; + + default: + return nullptr; + } +} + +static void +roar_send_tag(struct audio_output *ao, const struct tag *meta) +{ + RoarOutput *self = (RoarOutput *)ao; + + if (self->vss == nullptr) + return; + + const ScopeLock protect(self->mutex); + + size_t cnt = 1; + struct roar_keyval vals[32]; + memset(vals, 0, sizeof(vals)); + char uuid_buf[32][64]; + + char timebuf[16]; + snprintf(timebuf, sizeof(timebuf), "%02d:%02d:%02d", + meta->time / 3600, (meta->time % 3600) / 60, meta->time % 60); + + vals[0].key = g_strdup("LENGTH"); + vals[0].value = timebuf; + + for (unsigned i = 0; i < meta->num_items && cnt < 32; i++) + { + bool is_uuid = false; + const char *key = roar_tag_convert(meta->items[i]->type, &is_uuid); + if (key != nullptr) + { + if (is_uuid) + { + snprintf(uuid_buf[cnt], sizeof(uuid_buf[0]), "{UUID}%s", + meta->items[i]->value); + vals[cnt].key = g_strdup(key); + vals[cnt].value = uuid_buf[cnt]; + } + else + { + vals[cnt].key = g_strdup(key); + vals[cnt].value = meta->items[i]->value; + } + cnt++; + } + } + + roar_vs_meta(self->vss, vals, cnt, &(self->err)); + + for (unsigned i = 0; i < 32; i++) + g_free(vals[i].key); +} + +const struct audio_output_plugin roar_output_plugin = { + "roar", + nullptr, + roar_init, + roar_finish, + nullptr, + nullptr, + roar_open, + roar_close, + nullptr, + roar_send_tag, + roar_play, + nullptr, + roar_cancel, + nullptr, + &roar_mixer_plugin, +}; |