我正在尝试使用webrtc在我的应用程序中实现视频聊天。
我通过以下方式附加了流：
getUserMedia(
{
// Permissions to request
video: true,
audio: true
},
function (stream) {
我通过webrtc将该流传递给远程客户端。
我能够在屏幕上看到这两个视频（我的和客户端）。
我得到的问题是，我在流中也得到了自己的声音，这是我不想要的。我只想要对方的音频。
你能让我知道会出现什么问题吗？
答案 0 :(得分：1)
您是否已将“muted”属性添加到本地视频代码中，如下所示：
ActiveRecord::Schema.define(version: 20150726180000) do
create_table "admins", force: :cascade do |t|
t.string "email"
t.string "encrypted_password", default: "", null: false
t.string "reset_password_token"
t.datetime "reset_password_sent_at"
t.datetime "remember_created_at"
t.integer "sign_in_count", default: 0, null: false
t.datetime "current_sign_in_at"
t.datetime "last_sign_in_at"
t.string "current_sign_in_ip"
t.string "last_sign_in_ip"
t.string "confirmation_token"
t.datetime "confirmed_at"
t.datetime "confirmation_sent_at"
t.datetime "created_at"
t.datetime "updated_at"
end
add_index "admins", ["confirmation_token"], name: "index_admins_on_confirmation_token", unique: true
add_index "admins", ["email"], name: "index_admins_on_email", unique: true
add_index "admins", ["reset_password_token"], name: "index_admins_on_reset_password_token", unique: true
create_table "answers", force: :cascade do |t|
t.integer "number"
t.text "content"
t.boolean "correct", default: false, null: false
t.integer "answerable_id"
t.string "answerable_type"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
end
add_index "answers", ["answerable_type", "answerable_id"], name: "index_answers_on_answerable_type_and_answerable_id"
create_table "categories", force: :cascade do |t|
t.string "name"
t.integer "subject_id"
t.integer "category_id"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
end
add_index "categories", ["category_id"], name: "index_categories_on_category_id"
add_index "categories", ["subject_id"], name: "index_categories_on_subject_id"
create_table "choices", force: :cascade do |t|
t.string "content"
t.integer "quiz_part_id"
t.integer "answer_id"
t.boolean "correct"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
end
add_index "choices", ["answer_id"], name: "index_choices_on_answer_id"
add_index "choices", ["quiz_part_id"], name: "index_choices_on_quiz_part_id"
create_table "ckeditor_assets", force: :cascade do |t|
t.string "data_file_name", null: false
t.string "data_content_type"
t.integer "data_file_size"
t.integer "assetable_id"
t.string "assetable_type", limit: 30
t.string "type", limit: 30
t.integer "width"
t.integer "height"
t.datetime "created_at"
t.datetime "updated_at"
end
add_index "ckeditor_assets", ["assetable_type", "assetable_id"], name: "idx_ckeditor_assetable"
add_index "ckeditor_assets", ["assetable_type", "type", "assetable_id"], name: "idx_ckeditor_assetable_type"
create_table "levels", force: :cascade do |t|
t.string "name"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
end
create_table "question_categories", force: :cascade do |t|
t.integer "question_id"
t.integer "category_id"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
end
add_index "question_categories", ["category_id"], name: "index_question_categories_on_category_id"
add_index "question_categories", ["question_id"], name: "index_question_categories_on_question_id"
create_table "question_parts", force: :cascade do |t|
t.text "content"
t.string "type"
t.integer "question_id"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.datetime "deleted_at"
end
add_index "question_parts", ["deleted_at"], name: "index_question_parts_on_deleted_at"
add_index "question_parts", ["question_id"], name: "index_question_parts_on_question_id"
create_table "questions", force: :cascade do |t|
t.text "content"
t.string "type"
t.integer "level_id"
t.integer "subject_id"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.datetime "deleted_at"
t.string "source"
end
add_index "questions", ["deleted_at"], name: "index_questions_on_deleted_at"
add_index "questions", ["level_id"], name: "index_questions_on_level_id"
add_index "questions", ["subject_id"], name: "index_questions_on_subject_id"
create_table "quiz_categories", force: :cascade do |t|
t.integer "category_id"
t.integer "quiz_id"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
end
add_index "quiz_categories", ["category_id"], name: "index_quiz_categories_on_category_id"
add_index "quiz_categories", ["quiz_id"], name: "index_quiz_categories_on_quiz_id"
create_table "quiz_parts", force: :cascade do |t|
t.integer "quiz_id"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.integer "answerable_id"
t.string "answerable_type"
end
add_index "quiz_parts", ["answerable_type", "answerable_id"], name: "index_quiz_parts_on_answerable_type_and_answerable_id"
add_index "quiz_parts", ["quiz_id"], name: "index_quiz_parts_on_quiz_id"
create_table "quizzes", force: :cascade do |t|
t.integer "user_id"
t.datetime "completed_at"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.integer "subject_id"
t.integer "number_of_questions"
end
add_index "quizzes", ["subject_id"], name: "index_quizzes_on_subject_id"
add_index "quizzes", ["user_id"], name: "index_quizzes_on_user_id"
create_table "subjects", force: :cascade do |t|
t.string "name"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
end
create_table "users", force: :cascade do |t|
t.string "email", default: "", null: false
t.string "encrypted_password", default: "", null: false
t.string "reset_password_token"
t.datetime "reset_password_sent_at"
t.datetime "remember_created_at"
t.integer "sign_in_count", default: 0, null: false
t.datetime "current_sign_in_at"
t.datetime "last_sign_in_at"
t.string "current_sign_in_ip"
t.string "last_sign_in_ip"
t.datetime "created_at"
t.datetime "updated_at"
end
add_index "users", ["email"], name: "index_users_on_email", unique: true
add_index "users", ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true
end
答案 1 :(得分：-1)
尝试在约束上将 echoCancellation 标记设置为 true 。
4.3.5 MediaTrackSupportedConstraints
W3.org 媒体捕获和流
当正在播放一个或多个音频流时 各种麦克风，通常希望尝试去除 从麦克风录制的输入信号播放声音。 这被称为回声消除。有些情况 不需要，并希望将其关闭，以便没有音频 工件介绍。这允许应用程序控制它 行为。