diff options
author | Max Kellermann <max@duempel.org> | 2013-01-30 21:27:37 +0100 |
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committer | Max Kellermann <max@duempel.org> | 2013-01-30 21:39:43 +0100 |
commit | cfeeb7af2e398b94db6db84c208976588d8cfcda (patch) | |
tree | 19635e8dc5fdcd54ff838def22e74de5ffffb13e /test/software_volume.cxx | |
parent | ac887d3afb9aba509ddf2da034e089e86b761c3d (diff) |
test/run_encoder, ...: convert to C++
Diffstat (limited to 'test/software_volume.cxx')
-rw-r--r-- | test/software_volume.cxx | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/test/software_volume.cxx b/test/software_volume.cxx new file mode 100644 index 000000000..180686650 --- /dev/null +++ b/test/software_volume.cxx @@ -0,0 +1,71 @@ +/* + * Copyright (C) 2003-2013 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. + */ + +/* + * This program is a command line interface to MPD's software volume + * library (pcm_volume.c). + * + */ + +#include "config.h" +#include "pcm_volume.h" +#include "audio_parser.h" +#include "audio_format.h" +#include "stdbin.h" + +#include <glib.h> + +#include <stddef.h> +#include <unistd.h> + +int main(int argc, char **argv) +{ + GError *error = NULL; + struct audio_format audio_format; + bool ret; + static char buffer[4096]; + ssize_t nbytes; + + if (argc > 2) { + g_printerr("Usage: software_volume [FORMAT] <IN >OUT\n"); + return 1; + } + + if (argc > 1) { + ret = audio_format_parse(&audio_format, argv[1], + false, &error); + if (!ret) { + g_printerr("Failed to parse audio format: %s\n", + error->message); + return 1; + } + } else + audio_format_init(&audio_format, 48000, SAMPLE_FORMAT_S16, 2); + + while ((nbytes = read(0, buffer, sizeof(buffer))) > 0) { + if (!pcm_volume(buffer, nbytes, + sample_format(audio_format.format), + PCM_VOLUME_1 / 2)) { + g_printerr("pcm_volume() has failed\n"); + return 2; + } + + G_GNUC_UNUSED ssize_t ignored = write(1, buffer, nbytes); + } +} |