aboutsummaryrefslogtreecommitdiffstats
path: root/src/mixer/pulse_mixer_plugin.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mixer/pulse_mixer_plugin.c')
-rw-r--r--src/mixer/pulse_mixer_plugin.c236
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,
-};