include cleanups (powered by iwyu)

src/filter/plugins/AutoConvertFilterPlugin.cxx

@@ -19,7 +19,6 @@
 
 #include "AutoConvertFilterPlugin.hxx"
 #include "ConvertFilterPlugin.hxx"
-#include "filter/FilterPlugin.hxx"
 #include "filter/Filter.hxx"
 #include "filter/Prepared.hxx"
 #include "AudioFormat.hxx"

src/filter/plugins/ConvertFilterPlugin.cxx

@@ -21,11 +21,9 @@
 #include "filter/Filter.hxx"
 #include "filter/Prepared.hxx"
 #include "pcm/Convert.hxx"
-#include "util/Manual.hxx"
 #include "util/ConstBuffer.hxx"
 #include "AudioFormat.hxx"
 
-#include <stdexcept>
 #include <memory>
 
 #include <assert.h>

src/filter/plugins/FfmpegFilterPlugin.cxx

@@ -22,10 +22,8 @@
 #include "filter/FilterPlugin.hxx"
 #include "filter/Filter.hxx"
 #include "filter/Prepared.hxx"
-#include "filter/FilterRegistry.hxx"
 #include "lib/ffmpeg/Filter.hxx"
 #include "config/Block.hxx"
-#include "AudioFormat.hxx"
 
 class PreparedFfmpegFilter final : public PreparedFilter {
 	const char *const graph_string;

src/filter/plugins/NullFilterPlugin.cxx

@@ -28,7 +28,6 @@
 #include "filter/FilterPlugin.hxx"
 #include "filter/NullFilter.hxx"
 #include "filter/Prepared.hxx"
-#include "AudioFormat.hxx"
 #include "util/Compiler.h"
 
 class PreparedNullFilter final : public PreparedFilter {

src/filter/plugins/RouteFilterPlugin.cxx

@@ -40,7 +40,6 @@
  */
 
 #include "RouteFilterPlugin.hxx"
-#include "config/Domain.hxx"
 #include "config/Block.hxx"
 #include "AudioFormat.hxx"
 #include "filter/FilterPlugin.hxx"
@@ -53,8 +52,8 @@
 #include "util/ConstBuffer.hxx"
 #include "util/WritableBuffer.hxx"
 
-#include <algorithm>
 #include <array>
+#include <stdexcept>
 
 #include <string.h>
 #include <stdint.h>

src/filter/plugins/VolumeFilterPlugin.cxx

@@ -24,8 +24,6 @@
 #include "AudioFormat.hxx"
 #include "util/ConstBuffer.hxx"
 
-#include <stdexcept>
-
 class VolumeFilter final : public Filter {
 	PcmVolume pv;