pcm/meson.build: split libpcm into two

One basic library without dependencies, and one with heavy
dependencies like libsamplerate.

src/decoder/meson.build

@@ -7,6 +7,7 @@ decoder_api = static_library(
   include_directories: inc,
   dependencies: [
     log_dep,
+    pcm_basic_dep,
   ],
 )
 

src/encoder/plugins/meson.build

@@ -44,6 +44,7 @@ encoder_plugins = static_library(
   encoder_plugins_sources,
   include_directories: inc,
   dependencies: [
+    pcm_basic_dep,
     flac_dep,
     ogg_dep,
     libopus_dep,

src/pcm/meson.build

@@ -1,4 +1,4 @@
-pcm_sources = [
+pcm_basic_sources = [
   '../CheckAudioFormat.cxx',
   '../AudioFormat.cxx',
   '../AudioParser.cxx',
@@ -6,25 +6,17 @@ pcm_sources = [
   'Interleave.cxx',
   'Buffer.cxx',
   'Export.cxx',
-  'Convert.cxx',
   'Dop.cxx',
   'Volume.cxx',
   'Silence.cxx',
   'Mix.cxx',
-  'PcmChannels.cxx',
   'Pack.cxx',
-  'PcmFormat.cxx',
-  'FormatConverter.cxx',
-  'ChannelsConverter.cxx',
   'Order.cxx',
-  'GlueResampler.cxx',
-  'FallbackResampler.cxx',
-  'ConfiguredResampler.cxx',
   'Dither.cxx',
 ]
 
 if get_option('dsd')
-  pcm_sources += [
+  pcm_basic_sources += [
     'Dsd16.cxx',
     'Dsd32.cxx',
     'PcmDsd.cxx',
@@ -32,6 +24,30 @@ if get_option('dsd')
   ]
 endif
 
+pcm_basic = static_library(
+  'pcm_basic',
+  pcm_basic_sources,
+  include_directories: inc,
+  dependencies: [
+    util_dep,
+  ],
+)
+
+pcm_basic_dep = declare_dependency(
+  link_with: pcm_basic,
+)
+
+pcm_sources = [
+  'Convert.cxx',
+  'PcmChannels.cxx',
+  'PcmFormat.cxx',
+  'FormatConverter.cxx',
+  'ChannelsConverter.cxx',
+  'GlueResampler.cxx',
+  'FallbackResampler.cxx',
+  'ConfiguredResampler.cxx',
+]
+
 libsamplerate_dep = dependency('samplerate', version: '>= 0.1.3', required: get_option('libsamplerate'))
 if libsamplerate_dep.found()
   conf.set('ENABLE_LIBSAMPLERATE', true)
@@ -50,6 +66,7 @@ pcm = static_library(
   include_directories: inc,
   dependencies: [
     util_dep,
+    pcm_basic_dep,
     libsamplerate_dep,
     soxr_dep,
   ],

test/meson.build

@@ -271,13 +271,11 @@ if enable_database
     '../src/db/Selection.cxx',
     '../src/db/PlaylistVector.cxx',
     '../src/db/DatabaseLock.cxx',
-    '../src/AudioFormat.cxx',
-    '../src/AudioParser.cxx',
-    '../src/pcm/SampleFormat.cxx',
     '../src/SongSave.cxx',
     '../src/TagSave.cxx',
     include_directories: inc,
     dependencies: [
+      pcm_basic_dep,
       song_dep,
       fs_dep,
       event_dep,
@@ -540,7 +538,6 @@ if encoder_glue_dep.found()
   executable(
     'run_encoder',
     'run_encoder.cxx',
-    '../src/AudioParser.cxx',
     include_directories: inc,
     dependencies: [
       encoder_glue_dep,