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authorMax Kellermann <max@duempel.org>2013-01-07 08:59:11 +0100
committerMax Kellermann <max@duempel.org>2013-01-07 09:05:01 +0100
commit9f4b906e6cb61def8afddc2ed9bdf826e52e96d2 (patch)
tree2cfe029e0581c059126051b3450163226343a3b9 /src/volume.c
parent804900df362c7f65736f8863e7be330e1ddf8758 (diff)
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volume: convert to C++
Diffstat (limited to 'src/volume.c')
-rw-r--r--src/volume.c138
1 files changed, 0 insertions, 138 deletions
diff --git a/src/volume.c b/src/volume.c
deleted file mode 100644
index 549feab9b..000000000
--- a/src/volume.c
+++ /dev/null
@@ -1,138 +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 "volume.h"
-#include "idle.h"
-#include "mixer_all.h"
-#include "event_pipe.h"
-
-#include <glib.h>
-
-#include <assert.h>
-#include <stdlib.h>
-
-#undef G_LOG_DOMAIN
-#define G_LOG_DOMAIN "volume"
-
-#define SW_VOLUME_STATE "sw_volume: "
-
-static unsigned volume_software_set = 100;
-
-/** the cached hardware mixer value; invalid if negative */
-static int last_hardware_volume = -1;
-/** the age of #last_hardware_volume */
-static GTimer *hardware_volume_timer;
-
-/**
- * Handler for #PIPE_EVENT_MIXER.
- */
-static void
-mixer_event_callback(void)
-{
- /* flush the hardware volume cache */
- last_hardware_volume = -1;
-
- /* notify clients */
- idle_add(IDLE_MIXER);
-}
-
-void volume_finish(void)
-{
- g_timer_destroy(hardware_volume_timer);
-}
-
-void volume_init(void)
-{
- hardware_volume_timer = g_timer_new();
-
- event_pipe_register(PIPE_EVENT_MIXER, mixer_event_callback);
-}
-
-int volume_level_get(void)
-{
- assert(hardware_volume_timer != NULL);
-
- if (last_hardware_volume >= 0 &&
- g_timer_elapsed(hardware_volume_timer, NULL) < 1.0)
- /* throttle access to hardware mixers */
- return last_hardware_volume;
-
- last_hardware_volume = mixer_all_get_volume();
- g_timer_start(hardware_volume_timer);
- return last_hardware_volume;
-}
-
-static bool software_volume_change(unsigned volume)
-{
- assert(volume <= 100);
-
- volume_software_set = volume;
- mixer_all_set_software_volume(volume);
-
- return true;
-}
-
-static bool hardware_volume_change(unsigned volume)
-{
- /* reset the cache */
- last_hardware_volume = -1;
-
- return mixer_all_set_volume(volume);
-}
-
-bool volume_level_change(unsigned volume)
-{
- assert(volume <= 100);
-
- volume_software_set = volume;
-
- idle_add(IDLE_MIXER);
-
- return hardware_volume_change(volume);
-}
-
-bool
-read_sw_volume_state(const char *line)
-{
- char *end = NULL;
- long int sv;
-
- if (!g_str_has_prefix(line, SW_VOLUME_STATE))
- return false;
-
- line += sizeof(SW_VOLUME_STATE) - 1;
- sv = strtol(line, &end, 10);
- if (*end == 0 && sv >= 0 && sv <= 100)
- software_volume_change(sv);
- else
- g_warning("Can't parse software volume: %s\n", line);
- return true;
-}
-
-void save_sw_volume_state(FILE *fp)
-{
- fprintf(fp, SW_VOLUME_STATE "%u\n", volume_software_set);
-}
-
-unsigned
-sw_volume_state_get_hash(void)
-{
- return volume_software_set;
-}