Injectable audio encoders: Moved audio encoder, factory and builtin factory to api/.

webrtc/modules/audio_coding/codecs/mock/mock_audio_encoder.cc

-/*
- *  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 "webrtc/modules/audio_coding/codecs/mock/mock_audio_encoder.h"
-
-namespace webrtc {
-
-MockAudioEncoder::FakeEncoding::FakeEncoding(
-    const AudioEncoder::EncodedInfo& info)
-    : info_(info) { }
-
-MockAudioEncoder::FakeEncoding::FakeEncoding(size_t encoded_bytes) {
-  info_.encoded_bytes = encoded_bytes;
-}
-
-AudioEncoder::EncodedInfo MockAudioEncoder::FakeEncoding::operator()(
-    uint32_t timestamp,
-    rtc::ArrayView<const int16_t> audio,
-    rtc::Buffer* encoded) {
-  encoded->SetSize(encoded->size() + info_.encoded_bytes);
-  return info_;
-}
-
-MockAudioEncoder::CopyEncoding::CopyEncoding(
-    AudioEncoder::EncodedInfo info,
-    rtc::ArrayView<const uint8_t> payload)
-    : info_(info), payload_(payload) { }
-
-MockAudioEncoder::CopyEncoding::CopyEncoding(
-    rtc::ArrayView<const uint8_t> payload)
-    : payload_(payload) {
-  info_.encoded_bytes = payload_.size();
-}
-
-AudioEncoder::EncodedInfo MockAudioEncoder::CopyEncoding::operator()(
-    uint32_t timestamp,
-    rtc::ArrayView<const int16_t> audio,
-    rtc::Buffer* encoded) {
-  RTC_CHECK(encoded);
-  RTC_CHECK_LE(info_.encoded_bytes, payload_.size());
-  encoded->AppendData(payload_.data(), info_.encoded_bytes);
-  return info_;
-}
-
-}  // namespace webrtc