Reland "Enable using a custom NetEqFactory in simulations"

This is a reland of 2a11b2451a4068746fa0c55fa210efd4a15e4423
There are no changes compared to the first attempt.

Original change's description:
> Enable using a custom NetEqFactory in simulations
>
> Bug: webrtc:11005
> Change-Id: I8a15f77953cbd3c29a75c7cfc77f926b138994b9
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/165580
> Commit-Queue: Ivo Creusen <ivoc@webrtc.org>
> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#30286}

TBR=kwiberg

Bug: webrtc:11005
Change-Id: I4aa377e05916bd23f8f63aece9d0e27731c80d3e
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/166465
Commit-Queue: Ivo Creusen <ivoc@webrtc.org>
Reviewed-by: Ivo Creusen <ivoc@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30319}
diff --git a/modules/audio_coding/neteq/neteq_decoder_plc_unittest.cc b/modules/audio_coding/neteq/neteq_decoder_plc_unittest.cc
index 49eb1cc..daf81f2 100644
--- a/modules/audio_coding/neteq/neteq_decoder_plc_unittest.cc
+++ b/modules/audio_coding/neteq/neteq_decoder_plc_unittest.cc
@@ -186,8 +186,10 @@
   NetEqTest::Callbacks callbacks;
 
   NetEqTest neteq_test(
-      config, new rtc::RefCountedObject<test::AudioDecoderProxyFactory>(&dec),
-      decoders, nullptr, std::move(lossy_input), std::move(output), callbacks);
+      config, /*decoder_factory=*/
+      new rtc::RefCountedObject<test::AudioDecoderProxyFactory>(&dec),
+      /*codecs=*/decoders, /*text_log=*/nullptr, /*neteq_factory=*/nullptr,
+      /*input=*/std::move(lossy_input), std::move(output), callbacks);
   EXPECT_LE(kRunTimeMs, neteq_test.Run());
 
   auto lifetime_stats = neteq_test.LifetimeStats();
diff --git a/modules/audio_coding/neteq/neteq_unittest.cc b/modules/audio_coding/neteq/neteq_unittest.cc
index 098bcc2..e284ddb 100644
--- a/modules/audio_coding/neteq/neteq_unittest.cc
+++ b/modules/audio_coding/neteq/neteq_unittest.cc
@@ -1084,8 +1084,10 @@
       new TimeLimitedNetEqInput(std::move(input), 20000));
   std::unique_ptr<AudioSink> output(new VoidAudioSink);
   NetEqTest::Callbacks callbacks;
-  NetEqTest test(config, CreateBuiltinAudioDecoderFactory(), codecs, nullptr,
-                 std::move(input_time_limit), std::move(output), callbacks);
+  NetEqTest test(config, CreateBuiltinAudioDecoderFactory(), codecs,
+                 /*text_log=*/nullptr, /*neteq_factory=*/nullptr,
+                 /*input=*/std::move(input_time_limit), std::move(output),
+                 callbacks);
   test.Run();
   const auto stats = test.SimulationStats();
   EXPECT_EQ(0, stats.accelerate_rate);
diff --git a/modules/audio_coding/neteq/tools/neteq_rtpplay.cc b/modules/audio_coding/neteq/tools/neteq_rtpplay.cc
index b37bea1..16a789f 100644
--- a/modules/audio_coding/neteq/tools/neteq_rtpplay.cc
+++ b/modules/audio_coding/neteq/tools/neteq_rtpplay.cc
@@ -397,7 +397,8 @@
   }
 
   std::unique_ptr<webrtc::test::NetEqTest> test =
-      factory.InitializeTestFromFile(/*input_filename=*/args[1], config);
+      factory.InitializeTestFromFile(/*input_filename=*/args[1],
+                                     /*factory=*/nullptr, config);
   RTC_CHECK(test) << "ERROR: Unable to run test";
   test->Run();
   return 0;
diff --git a/modules/audio_coding/neteq/tools/neteq_test.cc b/modules/audio_coding/neteq/tools/neteq_test.cc
index a775453..f8b6161 100644
--- a/modules/audio_coding/neteq/tools/neteq_test.cc
+++ b/modules/audio_coding/neteq/tools/neteq_test.cc
@@ -63,11 +63,14 @@
                      rtc::scoped_refptr<AudioDecoderFactory> decoder_factory,
                      const DecoderMap& codecs,
                      std::unique_ptr<std::ofstream> text_log,
+                     NetEqFactory* neteq_factory,
                      std::unique_ptr<NetEqInput> input,
                      std::unique_ptr<AudioSink> output,
                      Callbacks callbacks)
     : clock_(0),
-      neteq_(CreateNetEq(config, &clock_, decoder_factory)),
+      neteq_(neteq_factory
+                 ? neteq_factory->CreateNetEq(config, decoder_factory, &clock_)
+                 : CreateNetEq(config, &clock_, decoder_factory)),
       input_(std::move(input)),
       output_(std::move(output)),
       callbacks_(callbacks),
diff --git a/modules/audio_coding/neteq/tools/neteq_test.h b/modules/audio_coding/neteq/tools/neteq_test.h
index c6dbca7..afcc077 100644
--- a/modules/audio_coding/neteq/tools/neteq_test.h
+++ b/modules/audio_coding/neteq/tools/neteq_test.h
@@ -20,6 +20,7 @@
 #include "absl/types/optional.h"
 #include "api/audio_codecs/audio_decoder_factory.h"
 #include "api/neteq/neteq.h"
+#include "api/neteq/neteq_factory.h"
 #include "api/test/neteq_simulator.h"
 #include "modules/audio_coding/neteq/tools/audio_sink.h"
 #include "modules/audio_coding/neteq/tools/neteq_input.h"
@@ -83,6 +84,7 @@
             rtc::scoped_refptr<AudioDecoderFactory> decoder_factory,
             const DecoderMap& codecs,
             std::unique_ptr<std::ofstream> text_log,
+            NetEqFactory* neteq_factory,
             std::unique_ptr<NetEqInput> input,
             std::unique_ptr<AudioSink> output,
             Callbacks callbacks);
diff --git a/modules/audio_coding/neteq/tools/neteq_test_factory.cc b/modules/audio_coding/neteq/tools/neteq_test_factory.cc
index f590091..f8ec36b 100644
--- a/modules/audio_coding/neteq/tools/neteq_test_factory.cc
+++ b/modules/audio_coding/neteq/tools/neteq_test_factory.cc
@@ -110,6 +110,7 @@
 
 std::unique_ptr<NetEqTest> NetEqTestFactory::InitializeTestFromString(
     const std::string& input_string,
+    NetEqFactory* factory,
     const Config& config) {
   std::unique_ptr<NetEqInput> input(
       NetEqEventLogInput::CreateFromString(input_string, config.ssrc_filter));
@@ -117,11 +118,12 @@
     std::cerr << "Error: Cannot parse input string" << std::endl;
     return nullptr;
   }
-  return InitializeTest(std::move(input), config);
+  return InitializeTest(std::move(input), factory, config);
 }
 
 std::unique_ptr<NetEqTest> NetEqTestFactory::InitializeTestFromFile(
     const std::string& input_file_name,
+    NetEqFactory* factory,
     const Config& config) {
   // Gather RTP header extensions in a map.
   NetEqPacketSourceInput::RtpHeaderExtensionMap rtp_ext_map = {
@@ -146,11 +148,12 @@
     std::cerr << "Error: Cannot open input file" << std::endl;
     return nullptr;
   }
-  return InitializeTest(std::move(input), config);
+  return InitializeTest(std::move(input), factory, config);
 }
 
 std::unique_ptr<NetEqTest> NetEqTestFactory::InitializeTest(
     std::unique_ptr<NetEqInput> input,
+    NetEqFactory* factory,
     const Config& config) {
   if (input->ended()) {
     std::cerr << "Error: Input is empty" << std::endl;
@@ -330,9 +333,9 @@
   neteq_config.sample_rate_hz = *sample_rate_hz;
   neteq_config.max_packets_in_buffer = config.max_nr_packets_in_buffer;
   neteq_config.enable_fast_accelerate = config.enable_fast_accelerate;
-  return std::make_unique<NetEqTest>(neteq_config, decoder_factory, codecs,
-                                     std::move(text_log), std::move(input),
-                                     std::move(output), callbacks);
+  return std::make_unique<NetEqTest>(
+      neteq_config, decoder_factory, codecs, std::move(text_log), factory,
+      std::move(input), std::move(output), callbacks);
 }
 
 }  // namespace test
diff --git a/modules/audio_coding/neteq/tools/neteq_test_factory.h b/modules/audio_coding/neteq/tools/neteq_test_factory.h
index 5fd55a7..b8ba8cc 100644
--- a/modules/audio_coding/neteq/tools/neteq_test_factory.h
+++ b/modules/audio_coding/neteq/tools/neteq_test_factory.h
@@ -147,13 +147,16 @@
 
   std::unique_ptr<NetEqTest> InitializeTestFromFile(
       const std::string& input_filename,
+      NetEqFactory* neteq_factory,
       const Config& config);
   std::unique_ptr<NetEqTest> InitializeTestFromString(
       const std::string& input_string,
+      NetEqFactory* neteq_factory,
       const Config& config);
 
  private:
   std::unique_ptr<NetEqTest> InitializeTest(std::unique_ptr<NetEqInput> input,
+                                            NetEqFactory* neteq_factory,
                                             const Config& config);
   std::unique_ptr<SsrcSwitchDetector> ssrc_switch_detector_;
   std::unique_ptr<NetEqStatsPlotter> stats_plotter_;