Revert of WebRtcVoiceEngine: Use AudioDecoderFactory to generate recv codecs.

webrtc/media/engine/payload_type_mapper_unittest.cc

Index: webrtc/media/engine/payload_type_mapper_unittest.cc
diff --git a/webrtc/media/engine/payload_type_mapper_unittest.cc b/webrtc/media/engine/payload_type_mapper_unittest.cc
deleted file mode 100644
index 70420866380fc4f171f17f1a7a16e977c8471f90..0000000000000000000000000000000000000000
--- a/webrtc/media/engine/payload_type_mapper_unittest.cc
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- *  Copyright (c) 2016 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 <set>
-#include <string>
-
-#include "testing/gtest/include/gtest/gtest.h"
-#include "webrtc/media/engine/payload_type_mapper.h"
-
-namespace cricket {
-
-class PayloadTypeMapperTest : public testing::Test {
- public:
-  // TODO(ossu): These are to work around missing comparison operators in
-  // rtc::Optional. They should be removed once Optional has been updated.
-  int FindMapping(const webrtc::SdpAudioFormat& format) {
-    auto opt_mapping = mapper_.FindMappingFor(format);
-    if (opt_mapping)
-      return *opt_mapping;
-    return -1;
-  }
-
-  int GetMapping(const webrtc::SdpAudioFormat& format) {
-    auto opt_mapping = mapper_.GetMappingFor(format);
-    if (opt_mapping)
-      return *opt_mapping;
-    return -1;
-  }
-
- protected:
-  PayloadTypeMapper mapper_;
-};
-
-TEST_F(PayloadTypeMapperTest, StaticPayloadTypes) {
-  EXPECT_EQ(0,  FindMapping({"pcmu",   8000, 1}));
-  EXPECT_EQ(3,  FindMapping({"gsm",    8000, 1}));
-  EXPECT_EQ(4,  FindMapping({"g723",   8000, 1}));
-  EXPECT_EQ(5,  FindMapping({"dvi4",   8000, 1}));
-  EXPECT_EQ(6,  FindMapping({"dvi4",  16000, 1}));
-  EXPECT_EQ(7,  FindMapping({"lpc",    8000, 1}));
-  EXPECT_EQ(8,  FindMapping({"pcma",   8000, 1}));
-  EXPECT_EQ(9,  FindMapping({"g722",   8000, 1}));
-  EXPECT_EQ(10, FindMapping({"l16",   44100, 2}));
-  EXPECT_EQ(11, FindMapping({"l16",   44100, 1}));
-  EXPECT_EQ(12, FindMapping({"qcelp",  8000, 1}));
-  EXPECT_EQ(13, FindMapping({"cn",     8000, 1}));
-  EXPECT_EQ(14, FindMapping({"mpa",   90000, 0}));
-  EXPECT_EQ(14, FindMapping({"mpa",   90000, 1}));
-  EXPECT_EQ(15, FindMapping({"g728",   8000, 1}));
-  EXPECT_EQ(16, FindMapping({"dvi4",  11025, 1}));
-  EXPECT_EQ(17, FindMapping({"dvi4",  22050, 1}));
-  EXPECT_EQ(18, FindMapping({"g729",   8000, 1}));
-}
-
-TEST_F(PayloadTypeMapperTest, WebRTCPayloadTypes) {
-  // Tests that the payload mapper knows about the formats we've been using in
-  // WebRTC, with their hard coded values.
-  auto video_mapping = [this] (const char *name) {
-    return FindMapping({name, kVideoCodecClockrate, 0});
-  };
-  EXPECT_EQ(kDefaultVp8PlType,  video_mapping(kVp8CodecName));
-  EXPECT_EQ(kDefaultVp9PlType,  video_mapping(kVp9CodecName));
-  EXPECT_EQ(kDefaultH264PlType, video_mapping(kH264CodecName));
-  EXPECT_EQ(kDefaultRedPlType,  video_mapping(kRedCodecName));
-  EXPECT_EQ(kDefaultUlpfecType, video_mapping(kUlpfecCodecName));
-
-  auto rtx_mapping = [this] (int payload_type) {
-    return FindMapping({kRtxCodecName, kVideoCodecClockrate, 0,
-        {{ kCodecParamAssociatedPayloadType, std::to_string(payload_type)}}});
-  };
-  EXPECT_EQ(kDefaultRtxVp8PlType,  rtx_mapping(kDefaultVp8PlType));
-  EXPECT_EQ(kDefaultRtxVp9PlType,  rtx_mapping(kDefaultVp9PlType));
-  EXPECT_EQ(kDefaultRtxH264PlType, rtx_mapping(kDefaultH264PlType));
-  EXPECT_EQ(kDefaultRtxRedPlType,  rtx_mapping(kDefaultRedPlType));
-
-  EXPECT_EQ(102, FindMapping({kIlbcCodecName,  8000, 1}));
-  EXPECT_EQ(103, FindMapping({kIsacCodecName, 16000, 1}));
-  EXPECT_EQ(104, FindMapping({kIsacCodecName, 32000, 1}));
-  EXPECT_EQ(105, FindMapping({kCnCodecName,   16000, 1}));
-  EXPECT_EQ(106, FindMapping({kCnCodecName,   32000, 1}));
-  EXPECT_EQ(111, FindMapping({kOpusCodecName, 48000, 2,
-        {{"minptime", "10"}, {"useinbandfec", "1"}}}));
-  EXPECT_EQ(126, FindMapping({kDtmfCodecName, 8000, 1}));
-}
-
-TEST_F(PayloadTypeMapperTest, ValidDynamicPayloadTypes) {
-  // RFC 3551 says:
-  // "This profile reserves payload type numbers in the range 96-127
-  // exclusively for dynamic assignment.  Applications SHOULD first use
-  // values in this range for dynamic payload types.  Those applications
-  // which need to define more than 32 dynamic payload types MAY bind
-  // codes below 96, in which case it is RECOMMENDED that unassigned
-  // payload type numbers be used first.  However, the statically assigned
-  // payload types are default bindings and MAY be dynamically bound to
-  // new encodings if needed."
-
-  // Tests that the payload mapper uses values in the dynamic payload type range
-  // (96 - 127) before any others and that the values returned are all valid.
-  bool has_been_below_96 = false;
-  std::set<int> used_payload_types;
-  for (int i = 0; i != 256; ++i) {
-    std::string format_name = "unknown_format_" + std::to_string(i);
-    webrtc::SdpAudioFormat format(format_name.c_str(), i*100, (i % 2) + 1);
-    auto opt_payload_type = mapper_.GetMappingFor(format);
-    bool mapper_is_full = false;
-
-    // There's a limited number of slots for payload types. We're fine with not
-    // being able to map them all.
-    if (opt_payload_type) {
-      int payload_type = *opt_payload_type;
-      EXPECT_FALSE(mapper_is_full) << "Mapping should not fail sporadically";
-      EXPECT_EQ(used_payload_types.find(payload_type), used_payload_types.end())
-          << "Payload types must not be reused";
-      used_payload_types.insert(payload_type);
-      EXPECT_GE(payload_type, 0) << "Negative payload types are invalid";
-      EXPECT_LE(payload_type, 127) << "Payload types above 127 are invalid";
-      EXPECT_FALSE(payload_type >= 96 && has_been_below_96);
-      if (payload_type < 96)
-        has_been_below_96 = true;
-
-      EXPECT_EQ(payload_type, FindMapping(format))
-          << "Mapping must be permanent after successful call to "
-             "GetMappingFor";
-      EXPECT_EQ(payload_type, GetMapping(format))
-          << "Subsequent calls to GetMappingFor must return the same value";
-    } else {
-      mapper_is_full = true;
-    }
-  }
-
-  // Also, we must've been able to map at least one dynamic payload type.
-  EXPECT_FALSE(used_payload_types.empty())
-      << "Mapper must support at least one user-defined payload type";
-}
-
-TEST_F(PayloadTypeMapperTest, ToAudioCodec) {
-  webrtc::SdpAudioFormat format("unknown_format", 4711, 17);
-  auto opt_payload_type = mapper_.GetMappingFor(format);
-  EXPECT_TRUE(opt_payload_type);
-  auto opt_audio_codec = mapper_.ToAudioCodec(format);
-  EXPECT_TRUE(opt_audio_codec);
-
-  if (opt_payload_type && opt_audio_codec) {
-    int payload_type        = *opt_payload_type;
-    const AudioCodec& codec = *opt_audio_codec;
-
-    EXPECT_EQ(codec.id, payload_type);
-    EXPECT_EQ(codec.name, format.name);
-    EXPECT_EQ(codec.clockrate, format.clockrate_hz);
-    EXPECT_EQ(codec.channels, format.num_channels);
-    EXPECT_EQ(codec.params, format.parameters);
-  }
-}
-
-}  // namespace cricket