iSAC fixed-point implementation of the Audio{En,De}coderFactoryTemplate APIs

webrtc/api/audio_codecs/test/audio_encoder_factory_template_unittest.cc

 /*
  *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include "webrtc/api/audio_codecs/audio_encoder_factory_template.h"
 #include "webrtc/api/audio_codecs/L16/audio_encoder_L16.h"
 #include "webrtc/api/audio_codecs/g711/audio_encoder_g711.h"
 #include "webrtc/api/audio_codecs/g722/audio_encoder_g722.h"
 #include "webrtc/api/audio_codecs/ilbc/audio_encoder_ilbc.h"
+#include "webrtc/api/audio_codecs/isac/audio_encoder_isac_fix.h"
 #include "webrtc/api/audio_codecs/opus/audio_encoder_opus.h"
 #include "webrtc/rtc_base/ptr_util.h"
 #include "webrtc/test/gmock.h"
 #include "webrtc/test/gtest.h"
 #include "webrtc/test/mock_audio_encoder.h"
 
 namespace webrtc {
 
 namespace {
 
@@ skipping 138 matching lines @@
   EXPECT_EQ(rtc::Optional<AudioCodecInfo>(),
             factory->QueryAudioEncoder({"foo", 8000, 1}));
   EXPECT_EQ(rtc::Optional<AudioCodecInfo>({8000, 1, 13333}),
             factory->QueryAudioEncoder({"ilbc", 8000, 1}));
   EXPECT_EQ(nullptr, factory->MakeAudioEncoder(17, {"bar", 8000, 1}));
   auto enc = factory->MakeAudioEncoder(17, {"ilbc", 8000, 1});
   ASSERT_NE(nullptr, enc);
   EXPECT_EQ(8000, enc->SampleRateHz());
 }
 
+TEST(AudioEncoderFactoryTemplateTest, IsacFix) {
+  auto factory = CreateAudioEncoderFactory<AudioEncoderIsacFix>();
+  EXPECT_THAT(factory->GetSupportedEncoders(),
+              testing::ElementsAre(AudioCodecSpec{
+                  {"ISAC", 16000, 1}, {16000, 1, 32000, 10000, 32000}}));
+  EXPECT_EQ(rtc::Optional<AudioCodecInfo>(),
+            factory->QueryAudioEncoder({"isac", 16000, 2}));
+  EXPECT_EQ(rtc::Optional<AudioCodecInfo>({16000, 1, 32000, 10000, 32000}),
+            factory->QueryAudioEncoder({"isac", 16000, 1}));
+  EXPECT_EQ(nullptr, factory->MakeAudioEncoder(17, {"isac", 8000, 1}));
+  auto enc1 = factory->MakeAudioEncoder(17, {"isac", 16000, 1});
+  ASSERT_NE(nullptr, enc1);
+  EXPECT_EQ(16000, enc1->SampleRateHz());
+  EXPECT_EQ(3u, enc1->Num10MsFramesInNextPacket());
+  auto enc2 =
+      factory->MakeAudioEncoder(17, {"isac", 16000, 1, {{"ptime", "60"}}});
+  ASSERT_NE(nullptr, enc2);
+  EXPECT_EQ(6u, enc2->Num10MsFramesInNextPacket());
+}
+
 TEST(AudioEncoderFactoryTemplateTest, L16) {
   auto factory = CreateAudioEncoderFactory<AudioEncoderL16>();
   EXPECT_THAT(
       factory->GetSupportedEncoders(),
       testing::ElementsAre(
           AudioCodecSpec{{"L16", 8000, 1}, {8000, 1, 8000 * 16}},
           AudioCodecSpec{{"L16", 16000, 1}, {16000, 1, 16000 * 16}},
           AudioCodecSpec{{"L16", 32000, 1}, {32000, 1, 32000 * 16}},
           AudioCodecSpec{{"L16", 8000, 2}, {8000, 2, 8000 * 16 * 2}},
           AudioCodecSpec{{"L16", 16000, 2}, {16000, 2, 16000 * 16 * 2}},
@@ skipping 24 matching lines @@
       rtc::Optional<AudioCodecInfo>(info),
       factory->QueryAudioEncoder(
           {"opus", 48000, 2, {{"minptime", "10"}, {"useinbandfec", "1"}}}));
   EXPECT_EQ(nullptr, factory->MakeAudioEncoder(17, {"bar", 16000, 1}));
   auto enc = factory->MakeAudioEncoder(17, {"opus", 48000, 2});
   ASSERT_NE(nullptr, enc);
   EXPECT_EQ(48000, enc->SampleRateHz());
 }
 
 }  // namespace webrtc