ai.rb

require 'curb'
require "json"
require "base64"
require "net/http"
require "uri"

CUID = "8132533";
CLIENT_ID = "your_client_id";
CLIENT_SECRET = "your_client_secret";

AUTH_URL = "https://openapi.baidu.com/oauth/2.0/token"
AUTH_PARAMS = {
  grant_type: "client_credentials",
  client_id:  CLIENT_ID,
  client_secret: CLIENT_SECRET
}

BAIDU_VOP = "http://vop.baidu.com/server_api";
PCM_FILE = "ActionController002.raw"

DEBUG = true

def file_size
  File.new(PCM_FILE).stat.size
end

def speech
  Base64.encode64(IO.read(PCM_FILE)).gsub(/\n/, '')
end

puts speech if DEBUG
puts "speech is ^" if DEBUG
def token
  response = Curl.get AUTH_URL, AUTH_PARAMS
  JSON.parse(response.body)["access_token"]
end

puts token if DEBUG

def vop_params
  {
    "format"  => "pcm",
    "rate"    => 8000,
    "channel" => 1,
    "lan"     => "en",
    "token"   => token,
    "cuid"    => CUID,
    "len"     => file_size,
    "speech"  => speech
  }
end

def content_length
  JSON.generate(vop_params.to_json).size
end

fp = open "json_array.txt", "wb"
fp.puts vop_params.to_json
fp.close
#result = Curl.post BAIDU_VOP, JSON.generate(vop_params) do |http|
#  http.headers = {
#    # "Content-length": content_length,
#    "Content-Type":  "application/json; charset=utf-8"
#  }
#  http.verbose = true if DEBUG
#end

#puts result.status
#puts result.body

post_json = JSON.generate(vop_params)
http = Net::HTTP.new('vop.baidu.com', 80)
http_resp = http.post('/server_api', post_json, {'Content-Type' =>'application/json'})

puts http_resp.body
#uri = URI.parse BAIDU_VOP
#header = {
#  "Content-length": file_size.to_s,
#  "Content-Type":  "application/json; charset=utf-8"
#}
#
#request = Net::HTTP::Post.new(uri.request_uri, header)
#request.body = vop_params.to_json
#http = Net::HTTP.new uri.host, uri.port
#http.read_timeout = 300
#response = http.request(request)
#puts request.body
#puts response.body

百度语音API ruby调用示例