Removing AudioCoding class, a.k.a the new ACM API

webrtc/modules/audio_coding/main/acm2/acm_send_test.cc

-/*
- *  Copyright (c) 2014 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/main/acm2/acm_send_test.h"
-
-#include <assert.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "testing/gtest/include/gtest/gtest.h"
-#include "webrtc/base/checks.h"
-#include "webrtc/modules/audio_coding/main/interface/audio_coding_module.h"
-#include "webrtc/modules/audio_coding/neteq/tools/input_audio_file.h"
-#include "webrtc/modules/audio_coding/neteq/tools/packet.h"
-
-namespace webrtc {
-namespace test {
-
-AcmSendTest::AcmSendTest(InputAudioFile* audio_source,
-                         int source_rate_hz,
-                         int test_duration_ms)
-    : clock_(0),
-      audio_source_(audio_source),
-      source_rate_hz_(source_rate_hz),
-      input_block_size_samples_(
-          static_cast<size_t>(source_rate_hz_ * kBlockSizeMs / 1000)),
-      codec_registered_(false),
-      test_duration_ms_(test_duration_ms),
-      frame_type_(kAudioFrameSpeech),
-      payload_type_(0),
-      timestamp_(0),
-      sequence_number_(0) {
-  webrtc::AudioCoding::Config config;
-  config.clock = &clock_;
-  config.transport = this;
-  acm_.reset(webrtc::AudioCoding::Create(config));
-  input_frame_.sample_rate_hz_ = source_rate_hz_;
-  input_frame_.num_channels_ = 1;
-  input_frame_.samples_per_channel_ = input_block_size_samples_;
-  assert(input_block_size_samples_ * input_frame_.num_channels_ <=
-         AudioFrame::kMaxDataSizeSamples);
-}
-
-bool AcmSendTest::RegisterCodec(int codec_type,
-                                int channels,
-                                int payload_type,
-                                int frame_size_samples) {
-  codec_registered_ =
-      acm_->RegisterSendCodec(codec_type, payload_type, frame_size_samples);
-  input_frame_.num_channels_ = channels;
-  assert(input_block_size_samples_ * input_frame_.num_channels_ <=
-         AudioFrame::kMaxDataSizeSamples);
-  return codec_registered_;
-}
-
-Packet* AcmSendTest::NextPacket() {
-  assert(codec_registered_);
-  if (filter_.test(static_cast<size_t>(payload_type_))) {
-    // This payload type should be filtered out. Since the payload type is the
-    // same throughout the whole test run, no packet at all will be delivered.
-    // We can just as well signal that the test is over by returning NULL.
-    return NULL;
-  }
-  // Insert audio and process until one packet is produced.
-  while (clock_.TimeInMilliseconds() < test_duration_ms_) {
-    clock_.AdvanceTimeMilliseconds(kBlockSizeMs);
-    RTC_CHECK(
-        audio_source_->Read(input_block_size_samples_, input_frame_.data_));
-    if (input_frame_.num_channels_ > 1) {
-      InputAudioFile::DuplicateInterleaved(input_frame_.data_,
-                                           input_block_size_samples_,
-                                           input_frame_.num_channels_,
-                                           input_frame_.data_);
-    }
-    int32_t encoded_bytes = acm_->Add10MsAudio(input_frame_);
-    EXPECT_GE(encoded_bytes, 0);
-    input_frame_.timestamp_ += static_cast<uint32_t>(input_block_size_samples_);
-    if (encoded_bytes > 0) {
-      // Encoded packet received.
-      return CreatePacket();
-    }
-  }
-  // Test ended.
-  return NULL;
-}
-
-// This method receives the callback from ACM when a new packet is produced.
-int32_t AcmSendTest::SendData(FrameType frame_type,
-                              uint8_t payload_type,
-                              uint32_t timestamp,
-                              const uint8_t* payload_data,
-                              size_t payload_len_bytes,
-                              const RTPFragmentationHeader* fragmentation) {
-  // Store the packet locally.
-  frame_type_ = frame_type;
-  payload_type_ = payload_type;
-  timestamp_ = timestamp;
-  last_payload_vec_.assign(payload_data, payload_data + payload_len_bytes);
-  assert(last_payload_vec_.size() == payload_len_bytes);
-  return 0;
-}
-
-Packet* AcmSendTest::CreatePacket() {
-  const size_t kRtpHeaderSize = 12;
-  size_t allocated_bytes = last_payload_vec_.size() + kRtpHeaderSize;
-  uint8_t* packet_memory = new uint8_t[allocated_bytes];
-  // Populate the header bytes.
-  packet_memory[0] = 0x80;
-  packet_memory[1] = static_cast<uint8_t>(payload_type_);
-  packet_memory[2] = (sequence_number_ >> 8) & 0xFF;
-  packet_memory[3] = (sequence_number_) & 0xFF;
-  packet_memory[4] = (timestamp_ >> 24) & 0xFF;
-  packet_memory[5] = (timestamp_ >> 16) & 0xFF;
-  packet_memory[6] = (timestamp_ >> 8) & 0xFF;
-  packet_memory[7] = timestamp_ & 0xFF;
-  // Set SSRC to 0x12345678.
-  packet_memory[8] = 0x12;
-  packet_memory[9] = 0x34;
-  packet_memory[10] = 0x56;
-  packet_memory[11] = 0x78;
-
-  ++sequence_number_;
-
-  // Copy the payload data.
-  memcpy(packet_memory + kRtpHeaderSize,
-         &last_payload_vec_[0],
-         last_payload_vec_.size());
-  Packet* packet =
-      new Packet(packet_memory, allocated_bytes, clock_.TimeInMilliseconds());
-  assert(packet);
-  assert(packet->valid_header());
-  return packet;
-}
-
-}  // namespace test
-}  // namespace webrtc