Motown: Remove LPCM optimizations, fix prepare, add flush, add ActiveMultistreamSink model/stage

services/media/framework/BUILD.gn

Index: services/media/framework/BUILD.gn
diff --git a/services/media/framework/BUILD.gn b/services/media/framework/BUILD.gn
index 29a97c9af117ce40f321f7b092c437ac4573502a..7747bc0c6cc67093a018c0affdb1a88293e62db1 100644
--- a/services/media/framework/BUILD.gn
+++ b/services/media/framework/BUILD.gn
@@ -7,26 +7,25 @@ import("$mojo_sdk_root/mojo/public/mojo_sdk.gni")
 
 source_set("framework") {
   sources = [
-    "allocator.cc",
-    "allocator.h",
     "conversion_pipeline_builder.cc",
     "conversion_pipeline_builder.h",
     "engine.cc",
     "engine.h",
     "formatting.cc",
     "formatting.h",
+    "graph.cc",
+    "graph.h",
     "lpcm_util.cc",
     "lpcm_util.h",
     "metadata.cc",
     "metadata.h",
+    "models/active_multistream_sink.h",
     "models/active_sink.h",
     "models/active_source.h",
     "models/demand.h",
-    "models/lpcm_frame_buffer.cc",
-    "models/lpcm_frame_buffer.h",
-    "models/lpcm_transform.h",
-    "models/multistream_packet_source.h",
-    "models/packet_transform.h",
+    "models/multistream_source.h",
+    "models/part.h",
+    "models/transform.h",
     "packet.cc",
     "packet.h",
     "parts/decoder.h",
@@ -39,28 +38,28 @@ source_set("framework") {
     "parts/null_sink.h",
     "parts/reader.cc",
     "parts/reader.h",
-    "ptr.h",
+    "payload_allocator.cc",
+    "payload_allocator.h",
+    "refs.cc",
+    "refs.h",
     "result.h",
+    "safe_clone.h",
+    "stages/active_multistream_sink_stage.cc",
+    "stages/active_multistream_sink_stage.h",
     "stages/active_sink_stage.cc",
     "stages/active_sink_stage.h",
     "stages/active_source_stage.cc",
     "stages/active_source_stage.h",
-    "stages/distributor_stage.cc",
-    "stages/distributor_stage.h",
-    "stages/lpcm_stage_input.cc",
-    "stages/lpcm_stage_input.h",
-    "stages/lpcm_stage_output.cc",
-    "stages/lpcm_stage_output.h",
-    "stages/lpcm_transform_stage.cc",
-    "stages/lpcm_transform_stage.h",
-    "stages/packet_transform_stage.cc",
-    "stages/packet_transform_stage.h",
+    "stages/input.cc",
+    "stages/input.h",
+    "stages/multistream_source_stage.cc",
+    "stages/multistream_source_stage.h",
+    "stages/output.cc",
+    "stages/output.h",
     "stages/stage.cc",
     "stages/stage.h",
-    "stages/stage_input.cc",
-    "stages/stage_input.h",
-    "stages/stage_output.cc",
-    "stages/stage_output.h",
+    "stages/transform_stage.cc",
+    "stages/transform_stage.h",
     "stream_type.cc",
     "stream_type.h",
   ]