Filter*: move to filter/

1 files changed, 0 insertions, 210 deletions

diff --git a/src/filter/ReplayGainFilterPlugin.cxx b/src/filter/ReplayGainFilterPlugin.cxx
deleted file mode 100644
index 0b96b1d6d..000000000
--- a/src/filter/ReplayGainFilterPlugin.cxx
+++ /dev/null
@@ -1,210 +0,0 @@
-/*
- * Copyright (C) 2003-2014 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 "ReplayGainFilterPlugin.hxx"
-#include "FilterPlugin.hxx"
-#include "FilterInternal.hxx"
-#include "FilterRegistry.hxx"
-#include "AudioFormat.hxx"
-#include "ReplayGainInfo.hxx"
-#include "ReplayGainConfig.hxx"
-#include "MixerControl.hxx"
-#include "pcm/Volume.hxx"
-#include "pcm/PcmBuffer.hxx"
-#include "util/ConstBuffer.hxx"
-#include "util/Error.hxx"
-#include "util/Domain.hxx"
-#include "Log.hxx"
-
-#include <assert.h>
-#include <string.h>
-
-static constexpr Domain replay_gain_domain("replay_gain");
-
-class ReplayGainFilter final : public Filter {
-	/**
-	 * If set, then this hardware mixer is used for applying
-	 * replay gain, instead of the software volume library.
-	 */
-	Mixer *mixer;
-
-	/**
-	 * The base volume level for scale=1.0, between 1 and 100
-	 * (including).
-	 */
-	unsigned base;
-
-	ReplayGainMode mode;
-
-	ReplayGainInfo info;
-
-	/**
-	 * About the current volume: it is between 0 and a value that
-	 * may or may not exceed #PCM_VOLUME_1.
-	 *
-	 * If the default value of true is used for replaygain_limit, the
-	 * application of the volume to the signal will never cause clipping.
-	 *
-	 * On the other hand, if the user has set replaygain_limit to false,
-	 * the chance of clipping is explicitly preferred if that's required to
-	 * maintain a consistent audio level. Whether clipping will actually
-	 * occur depends on what value the user is using for replaygain_preamp.
-	 */
-	PcmVolume pv;
-
-public:
-	ReplayGainFilter()
-		:mixer(nullptr), mode(REPLAY_GAIN_OFF) {
-		info.Clear();
-	}
-
-	void SetMixer(Mixer *_mixer, unsigned _base) {
-		assert(_mixer == nullptr || (_base > 0 && _base <= 100));
-
-		mixer = _mixer;
-		base = _base;
-
-		Update();
-	}
-
-	void SetInfo(const ReplayGainInfo *_info) {
-		if (_info != nullptr) {
-			info = *_info;
-			info.Complete();
-		} else
-			info.Clear();
-
-		Update();
-	}
-
-	void SetMode(ReplayGainMode _mode) {
-		if (_mode == mode)
-			/* no change */
-			return;
-
-		FormatDebug(replay_gain_domain,
-			    "replay gain mode has changed %d->%d\n",
-			    mode, _mode);
-
-		mode = _mode;
-		Update();
-	}
-
-	/**
-	 * Recalculates the new volume after a property was changed.
-	 */
-	void Update();
-
-	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);
-};
-
-void
-ReplayGainFilter::Update()
-{
-	unsigned volume = PCM_VOLUME_1;
-	if (mode != REPLAY_GAIN_OFF) {
-		const auto &tuple = info.tuples[mode];
-		float scale = tuple.CalculateScale(replay_gain_preamp,
-						   replay_gain_missing_preamp,
-						   replay_gain_limit);
-		FormatDebug(replay_gain_domain,
-			    "scale=%f\n", (double)scale);
-
-		volume = pcm_float_to_volume(scale);
-	}
-
-	pv.SetVolume(volume);
-
-	if (mixer != nullptr) {
-		/* update the hardware mixer volume */
-
-		unsigned _volume = (volume * base) / PCM_VOLUME_1;
-		if (_volume > 100)
-			_volume = 100;
-
-		Error error;
-		if (!mixer_set_volume(mixer, _volume, error))
-			LogError(error, "Failed to update hardware mixer");
-	}
-}
-
-static Filter *
-replay_gain_filter_init(gcc_unused const config_param &param,
-			gcc_unused Error &error)
-{
-	return new ReplayGainFilter();
-}
-
-AudioFormat
-ReplayGainFilter::Open(AudioFormat &af, gcc_unused Error &error)
-{
-	if (!pv.Open(af.format, error))
-		return AudioFormat::Undefined();
-
-	return af;
-}
-
-void
-ReplayGainFilter::Close()
-{
-	pv.Close();
-}
-
-const void *
-ReplayGainFilter::FilterPCM(const void *src, size_t src_size,
-			    size_t *dest_size_r, gcc_unused Error &error)
-{
-	const auto dest = pv.Apply({src, src_size});
-	*dest_size_r = dest.size;
-	return dest.data;
-}
-
-const struct filter_plugin replay_gain_filter_plugin = {
-	"replay_gain",
-	replay_gain_filter_init,
-};
-
-void
-replay_gain_filter_set_mixer(Filter *_filter, Mixer *mixer,
-			     unsigned base)
-{
-	ReplayGainFilter *filter = (ReplayGainFilter *)_filter;
-
-	filter->SetMixer(mixer, base);
-}
-
-void
-replay_gain_filter_set_info(Filter *_filter, const ReplayGainInfo *info)
-{
-	ReplayGainFilter *filter = (ReplayGainFilter *)_filter;
-
-	filter->SetInfo(info);
-}
-
-void
-replay_gain_filter_set_mode(Filter *_filter, ReplayGainMode mode)
-{
-	ReplayGainFilter *filter = (ReplayGainFilter *)_filter;
-
-	filter->SetMode(mode);
-}