Revert of Opus implementation of the AudioEncoderFactoryTemplate API

webrtc/api/audio_codecs/opus/audio_encoder_opus_config.cc

Index: webrtc/api/audio_codecs/opus/audio_encoder_opus_config.cc
diff --git a/webrtc/api/audio_codecs/opus/audio_encoder_opus_config.cc b/webrtc/api/audio_codecs/opus/audio_encoder_opus_config.cc
deleted file mode 100644
index d4e12e8ce8facb09e6c58d583c23c146f0a58180..0000000000000000000000000000000000000000
--- a/webrtc/api/audio_codecs/opus/audio_encoder_opus_config.cc
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- *  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/opus/audio_encoder_opus_config.h"
-
-namespace webrtc {
-
-namespace {
-
-#if defined(WEBRTC_ANDROID) || defined(WEBRTC_IOS) || defined(WEBRTC_ARCH_ARM)
-// If we are on Android, iOS and/or ARM, use a lower complexity setting by
-// default, to save encoder complexity.
-constexpr int kDefaultComplexity = 5;
-#else
-constexpr int kDefaultComplexity = 9;
-#endif
-
-constexpr int kDefaultLowRateComplexity =
-    WEBRTC_OPUS_VARIABLE_COMPLEXITY ? 9 : kDefaultComplexity;
-
-}  // namespace
-
-constexpr int AudioEncoderOpusConfig::kDefaultFrameSizeMs;
-constexpr int AudioEncoderOpusConfig::kMinBitrateBps;
-constexpr int AudioEncoderOpusConfig::kMaxBitrateBps;
-
-AudioEncoderOpusConfig::AudioEncoderOpusConfig()
-    : frame_size_ms(kDefaultFrameSizeMs),
-      num_channels(1),
-      application(ApplicationMode::kVoip),
-      bitrate_bps(32000),
-      fec_enabled(false),
-      cbr_enabled(false),
-      max_playback_rate_hz(48000),
-      complexity(kDefaultComplexity),
-      low_rate_complexity(kDefaultLowRateComplexity),
-      complexity_threshold_bps(12500),
-      complexity_threshold_window_bps(1500),
-      dtx_enabled(false),
-      uplink_bandwidth_update_interval_ms(200) {}
-AudioEncoderOpusConfig::AudioEncoderOpusConfig(const AudioEncoderOpusConfig&) =
-    default;
-AudioEncoderOpusConfig::~AudioEncoderOpusConfig() = default;
-AudioEncoderOpusConfig& AudioEncoderOpusConfig::operator=(
-    const AudioEncoderOpusConfig&) = default;
-
-bool AudioEncoderOpusConfig::IsOk() const {
-  if (frame_size_ms <= 0 || frame_size_ms % 10 != 0)
-    return false;
-  if (num_channels != 1 && num_channels != 2)
-    return false;
-  if (bitrate_bps < kMinBitrateBps || bitrate_bps > kMaxBitrateBps)
-    return false;
-  if (complexity < 0 || complexity > 10)
-    return false;
-  if (low_rate_complexity < 0 || low_rate_complexity > 10)
-    return false;
-  return true;
-}
-}  // namespace webrtc