linux_door/jni/dep/include/voip/telephone_audio_initializer.cpp

/*
 * telephone_audio_initializer.cpp
 *
 *  Created on: 2022年6月27日
 *      Author: pengzc
 */

#include "telephone_audio_initializer.h"

#include <sstream>
#include <fstream>
#include <utils/Log.h>
#include <json/json.h>
#include "zkaudio.h"

static int GetInt(Json::Value& json_object, const std::string& key, int def) {
  if (json_object.isObject() && json_object.isMember(key)
      && json_object[key].isInt()) {
    return json_object[key].asInt();
  }
  return def;
}

#define LOG_TAG "TelephoneAudioInitializer"

int TelephoneAudioInitializer::Setup(voip::Telephone* telephone,
    const std::string& filename) {
  if (telephone == NULL) {
    LOGE("telephone must not be null");
    return -1;
  }
  std::string str;
  {
    std::ifstream ifs(filename, std::ios::in | std::ios::binary);
    if (!ifs.is_open()) {
      LOGE("can not open file, %s", filename.c_str());
      return -1;
    }
    std::stringstream ss;
    ss << ifs.rdbuf();
    str = ss.str();
    ifs.close();
  }
  Json::Value obj;
  {
    Json::Reader reader;
    if (!reader.parse(str.c_str(), str.c_str() + str.length(), obj, false)) {
      LOGE("invalid json string");
      return -1;
    }
  }

  if(obj.isMember("input_volume")) {
    auto input = obj["input_volume"];
    int ch_0_vol = GetInt(input, "channel_0", 0);
    int ch_1_vol = GetInt(input, "channel_1", 0);
    zk_audio_input_set_volume_native(0, ch_0_vol);
    zk_audio_input_set_volume_native(1, ch_1_vol);
    LOGD("input volume [%d,%d]", ch_0_vol, ch_1_vol);
  } else {
    LOGE("not found input_volume");
  }
  int out_vol = GetInt(obj, "output_volume", 0);
  zk_audio_output_set_volume_native(out_vol);
  LOGD("output volume %d", out_vol);

  const char* AEC_KEY = "acoustic_echo_cancellater";
  base::AcousticEchoCancellater::Configuration aec_conf;
  if (obj.isMember(AEC_KEY)) {
    aec_conf = aec_conf.FromString(
        obj[AEC_KEY].toStyledString());
  } else {
    LOGE("not found acoustic_echo_cancellater");
  }
  const char* APC_KEY = "audio_process_chain";
  base::AudioProcessChain::Configuration apc_conf;
  if (obj.isMember(APC_KEY)) {
    apc_conf = apc_conf.FromString(obj[APC_KEY].toStyledString());
  } else {
    LOGE("not found audio_process_chain");
  }
  LOGD("aec configuration\n%s", aec_conf.ToString().c_str());
  LOGD("apc configuration\n%s",apc_conf.ToString().c_str());
  telephone->SetInputAecApcConfig(aec_conf, apc_conf);
  return 0;
}