Conversational Speech tool, MultiEndCall class and unit tests via mocking

webrtc/modules/audio_processing/test/conversational_speech/BUILD.gn

Index: webrtc/modules/audio_processing/test/conversational_speech/BUILD.gn
diff --git a/webrtc/modules/audio_processing/test/conversational_speech/BUILD.gn b/webrtc/modules/audio_processing/test/conversational_speech/BUILD.gn
index 4375c4efb35fb76d2bf2d63b6ee72ea7b2255947..e1eb6644de54cf416da62f18c4e3414e332b610b 100644
--- a/webrtc/modules/audio_processing/test/conversational_speech/BUILD.gn
+++ b/webrtc/modules/audio_processing/test/conversational_speech/BUILD.gn
@@ -33,11 +33,22 @@ rtc_static_library("lib") {
   sources = [
     "config.cc",
     "config.h",
+    "multiend_call.cc",
+    "multiend_call.h",
     "timing.cc",
     "timing.h",
+    "wavreader_abstract_factory.h",
+
+    # TODO(alessiob): implement and enable adaptor and factory files.
+    # "wavreader_adaptor.cc",
+    # "wavreader_adaptor.h",
+    # "wavreader_factory.cc",
+    # "wavreader_factory.h",

[AleBzk, 2017/03/23 15:07:13]

I added these files to (hopefully) help the reviewer having a better picture of
where I want to go and everything fits together.

[hlundin-webrtc, 2017/03/24 13:44:04]

Include them in the build, and make stub implementations (returning nullptr, 0,
whatever, and possibly also annotate them with FATAL() from checks.h).

[AleBzk, 2017/03/27 08:24:13]

Done.

+    "wavreader_interface.h",
   ]
   deps = [
     "//webrtc/base:rtc_base_approved",
+    "//webrtc/common_audio",

[AleBzk, 2017/03/23 15:07:13]

This dep will be used to borrow WavReader, which is used via the adapter defined
in wavreader_adaptor.h

   ]
   visibility = [ ":*" ]  # Only targets in this file can depend on this.
 }
@@ -46,6 +57,10 @@ rtc_source_set("unittest") {
   testonly = true
   sources = [
     "generator_unittest.cc",
+    "mock_wavreader.cc",
+    "mock_wavreader.h",
+    "mock_wavreader_factory.cc",
+    "mock_wavreader_factory.h",
   ]
   deps = [
     ":lib",