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-rw-r--r--src/filter/VolumeFilterPlugin.cxx143
1 files changed, 0 insertions, 143 deletions
diff --git a/src/filter/VolumeFilterPlugin.cxx b/src/filter/VolumeFilterPlugin.cxx
deleted file mode 100644
index 1b663f6eb..000000000
--- a/src/filter/VolumeFilterPlugin.cxx
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- * 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.
- */
-
-#include "config.h"
-#include "VolumeFilterPlugin.hxx"
-#include "FilterPlugin.hxx"
-#include "FilterInternal.hxx"
-#include "FilterRegistry.hxx"
-#include "pcm/PcmVolume.hxx"
-#include "pcm/PcmBuffer.hxx"
-#include "AudioFormat.hxx"
-#include "util/Error.hxx"
-#include "util/Domain.hxx"
-
-#include <assert.h>
-#include <string.h>
-
-class VolumeFilter final : public Filter {
- /**
- * The current volume, from 0 to #PCM_VOLUME_1.
- */
- unsigned volume;
-
- AudioFormat format;
-
- PcmBuffer buffer;
-
-public:
- VolumeFilter()
- :volume(PCM_VOLUME_1) {}
-
- unsigned GetVolume() const {
- assert(volume <= PCM_VOLUME_1);
-
- return volume;
- }
-
- void SetVolume(unsigned _volume) {
- assert(_volume <= PCM_VOLUME_1);
-
- volume = _volume;
- }
-
- virtual AudioFormat Open(AudioFormat &af, Error &error) override;
- virtual void Close();
- virtual const void *FilterPCM(const void *src, size_t src_size,
- size_t *dest_size_r, Error &error);
-};
-
-static constexpr Domain volume_domain("pcm_volume");
-
-static Filter *
-volume_filter_init(gcc_unused const config_param &param,
- gcc_unused Error &error)
-{
- return new VolumeFilter();
-}
-
-AudioFormat
-VolumeFilter::Open(AudioFormat &audio_format, gcc_unused Error &error)
-{
- format = audio_format;
-
- return format;
-}
-
-void
-VolumeFilter::Close()
-{
- buffer.Clear();
-}
-
-const void *
-VolumeFilter::FilterPCM(const void *src, size_t src_size,
- size_t *dest_size_r, Error &error)
-{
- *dest_size_r = src_size;
-
- if (volume >= PCM_VOLUME_1)
- /* optimized special case: 100% volume = no-op */
- return src;
-
- void *dest = buffer.Get(src_size);
-
- if (volume <= 0) {
- /* optimized special case: 0% volume = memset(0) */
- /* XXX is this valid for all sample formats? What
- about floating point? */
- memset(dest, 0, src_size);
- return dest;
- }
-
- memcpy(dest, src, src_size);
-
- bool success = pcm_volume(dest, src_size,
- format.format,
- volume);
- if (!success) {
- error.Set(volume_domain, "pcm_volume() has failed");
- return NULL;
- }
-
- return dest;
-}
-
-const struct filter_plugin volume_filter_plugin = {
- "volume",
- volume_filter_init,
-};
-
-unsigned
-volume_filter_get(const Filter *_filter)
-{
- const VolumeFilter *filter =
- (const VolumeFilter *)_filter;
-
- return filter->GetVolume();
-}
-
-void
-volume_filter_set(Filter *_filter, unsigned volume)
-{
- VolumeFilter *filter = (VolumeFilter *)_filter;
-
- filter->SetVolume(volume);
-}
-