diff options
Diffstat (limited to '')
-rw-r--r-- | src/mixer/pulse_mixer_plugin.c | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/src/mixer/pulse_mixer_plugin.c b/src/mixer/pulse_mixer_plugin.c deleted file mode 100644 index a82c032b3..000000000 --- a/src/mixer/pulse_mixer_plugin.c +++ /dev/null @@ -1,236 +0,0 @@ -/* - * Copyright (C) 2003-2011 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 "pulse_mixer_plugin.h" -#include "mixer_api.h" -#include "output/pulse_output_plugin.h" -#include "conf.h" -#include "event_pipe.h" - -#include <glib.h> - -#include <pulse/thread-mainloop.h> -#include <pulse/context.h> -#include <pulse/introspect.h> -#include <pulse/stream.h> -#include <pulse/subscribe.h> -#include <pulse/error.h> - -#include <assert.h> -#include <string.h> - -#undef G_LOG_DOMAIN -#define G_LOG_DOMAIN "pulse_mixer" - -struct pulse_mixer { - struct mixer base; - - struct pulse_output *output; - - bool online; - struct pa_cvolume volume; - -}; - -/** - * The quark used for GError.domain. - */ -static inline GQuark -pulse_mixer_quark(void) -{ - return g_quark_from_static_string("pulse_mixer"); -} - -static void -pulse_mixer_offline(struct pulse_mixer *pm) -{ - if (!pm->online) - return; - - pm->online = false; - - event_pipe_emit(PIPE_EVENT_MIXER); -} - -/** - * Callback invoked by pulse_mixer_update(). Receives the new mixer - * value. - */ -static void -pulse_mixer_volume_cb(G_GNUC_UNUSED pa_context *context, const pa_sink_input_info *i, - int eol, void *userdata) -{ - struct pulse_mixer *pm = userdata; - - if (eol) - return; - - if (i == NULL) { - pulse_mixer_offline(pm); - return; - } - - pm->online = true; - pm->volume = i->volume; - - event_pipe_emit(PIPE_EVENT_MIXER); -} - -static void -pulse_mixer_update(struct pulse_mixer *pm, - struct pa_context *context, struct pa_stream *stream) -{ - pa_operation *o; - - assert(context != NULL); - assert(stream != NULL); - assert(pa_stream_get_state(stream) == PA_STREAM_READY); - - o = pa_context_get_sink_input_info(context, - pa_stream_get_index(stream), - pulse_mixer_volume_cb, pm); - if (o == NULL) { - g_warning("pa_context_get_sink_input_info() failed: %s", - pa_strerror(pa_context_errno(context))); - pulse_mixer_offline(pm); - return; - } - - pa_operation_unref(o); -} - -void -pulse_mixer_on_connect(G_GNUC_UNUSED struct pulse_mixer *pm, - struct pa_context *context) -{ - pa_operation *o; - - assert(context != NULL); - - o = pa_context_subscribe(context, - (pa_subscription_mask_t)PA_SUBSCRIPTION_MASK_SINK_INPUT, - NULL, NULL); - if (o == NULL) { - g_warning("pa_context_subscribe() failed: %s", - pa_strerror(pa_context_errno(context))); - return; - } - - pa_operation_unref(o); -} - -void -pulse_mixer_on_disconnect(struct pulse_mixer *pm) -{ - pulse_mixer_offline(pm); -} - -void -pulse_mixer_on_change(struct pulse_mixer *pm, - struct pa_context *context, struct pa_stream *stream) -{ - pulse_mixer_update(pm, context, stream); -} - -static struct mixer * -pulse_mixer_init(void *ao, G_GNUC_UNUSED const struct config_param *param, - GError **error_r) -{ - struct pulse_mixer *pm; - struct pulse_output *po = ao; - - if (ao == NULL) { - g_set_error(error_r, pulse_mixer_quark(), 0, - "The pulse mixer cannot work without the audio output"); - return false; - } - - pm = g_new(struct pulse_mixer,1); - mixer_init(&pm->base, &pulse_mixer_plugin); - - pm->online = false; - pm->output = po; - - pulse_output_set_mixer(po, pm); - - return &pm->base; -} - -static void -pulse_mixer_finish(struct mixer *data) -{ - struct pulse_mixer *pm = (struct pulse_mixer *) data; - - pulse_output_clear_mixer(pm->output, pm); - - /* free resources */ - - g_free(pm); -} - -static int -pulse_mixer_get_volume(struct mixer *mixer, G_GNUC_UNUSED GError **error_r) -{ - struct pulse_mixer *pm = (struct pulse_mixer *) mixer; - int ret; - - pulse_output_lock(pm->output); - - ret = pm->online - ? (int)((100*(pa_cvolume_avg(&pm->volume)+1))/PA_VOLUME_NORM) - : -1; - - pulse_output_unlock(pm->output); - - return ret; -} - -static bool -pulse_mixer_set_volume(struct mixer *mixer, unsigned volume, GError **error_r) -{ - struct pulse_mixer *pm = (struct pulse_mixer *) mixer; - struct pa_cvolume cvolume; - bool success; - - pulse_output_lock(pm->output); - - if (!pm->online) { - pulse_output_unlock(pm->output); - g_set_error(error_r, pulse_mixer_quark(), 0, "disconnected"); - return false; - } - - pa_cvolume_set(&cvolume, pm->volume.channels, - (pa_volume_t)volume * PA_VOLUME_NORM / 100 + 0.5); - success = pulse_output_set_volume(pm->output, &cvolume, error_r); - if (success) - pm->volume = cvolume; - - pulse_output_unlock(pm->output); - - return success; -} - -const struct mixer_plugin pulse_mixer_plugin = { - .init = pulse_mixer_init, - .finish = pulse_mixer_finish, - .get_volume = pulse_mixer_get_volume, - .set_volume = pulse_mixer_set_volume, -}; |