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Diffstat (limited to '')
-rw-r--r-- | test/read_mixer.cxx | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/test/read_mixer.cxx b/test/read_mixer.cxx new file mode 100644 index 000000000..5cd9b2c52 --- /dev/null +++ b/test/read_mixer.cxx @@ -0,0 +1,166 @@ +/* + * 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" + +extern "C" { +#include "mixer_control.h" +#include "mixer_list.h" +} + +#include "FilterRegistry.hxx" +#include "PcmVolume.hxx" +#include "GlobalEvents.hxx" +#include "Main.hxx" +#include "event/Loop.hxx" + +#include <glib.h> + +#include <assert.h> +#include <string.h> +#include <unistd.h> + +EventLoop *main_loop; + +#ifdef HAVE_PULSE +#include "output/pulse_output_plugin.h" + +void +pulse_output_lock(G_GNUC_UNUSED struct pulse_output *po) +{ +} + +void +pulse_output_unlock(G_GNUC_UNUSED struct pulse_output *po) +{ +} + +void +pulse_output_set_mixer(G_GNUC_UNUSED struct pulse_output *po, + G_GNUC_UNUSED struct pulse_mixer *pm) +{ +} + +void +pulse_output_clear_mixer(G_GNUC_UNUSED struct pulse_output *po, + G_GNUC_UNUSED struct pulse_mixer *pm) +{ +} + +bool +pulse_output_set_volume(G_GNUC_UNUSED struct pulse_output *po, + G_GNUC_UNUSED const struct pa_cvolume *volume, + G_GNUC_UNUSED GError **error_r) +{ + return false; +} + +#endif + +#ifdef HAVE_ROAR +#include "output/RoarOutputPlugin.hxx" + +int +roar_output_get_volume(gcc_unused RoarOutput *roar) +{ + return -1; +} + +bool +roar_output_set_volume(gcc_unused RoarOutput *roar, + G_GNUC_UNUSED unsigned volume) +{ + return true; +} + +#endif + +void +GlobalEvents::Emit(gcc_unused Event event) +{ +} + +const struct filter_plugin * +filter_plugin_by_name(G_GNUC_UNUSED const char *name) +{ + assert(false); + return NULL; +} + +bool +pcm_volume(G_GNUC_UNUSED void *buffer, G_GNUC_UNUSED size_t length, + G_GNUC_UNUSED enum sample_format format, + G_GNUC_UNUSED int volume) +{ + assert(false); + return false; +} + +int main(int argc, G_GNUC_UNUSED char **argv) +{ + GError *error = NULL; + struct mixer *mixer; + bool success; + int volume; + + if (argc != 2) { + g_printerr("Usage: read_mixer PLUGIN\n"); + return 1; + } + + g_thread_init(NULL); + + main_loop = new EventLoop(EventLoop::Default()); + + mixer = mixer_new(&alsa_mixer_plugin, NULL, NULL, &error); + if (mixer == NULL) { + g_printerr("mixer_new() failed: %s\n", error->message); + g_error_free(error); + return 2; + } + + success = mixer_open(mixer, &error); + if (!success) { + mixer_free(mixer); + g_printerr("failed to open the mixer: %s\n", error->message); + g_error_free(error); + return 2; + } + + volume = mixer_get_volume(mixer, &error); + mixer_close(mixer); + mixer_free(mixer); + + delete main_loop; + + assert(volume >= -1 && volume <= 100); + + if (volume < 0) { + if (error != NULL) { + g_printerr("failed to read volume: %s\n", + error->message); + g_error_free(error); + } else + g_printerr("failed to read volume\n"); + return 2; + } + + g_print("%d\n", volume); + return 0; +} |