Update: GStreamer

wdv4758h · Nov 18, 2018 · f3152ad · f3152ad
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diff --git a/multimedia/gstreamer/README.rst b/multimedia/gstreamer/README.rst
@@ -3,9 +3,16 @@ GStreamer
 ========================================
 
 * `基本介紹、設計概念 <introduction.rst>`_
+* `利用 GStreamer 模擬常見指令 <gstreamer-based-common-commands.rst>`_
 * `編譯 <build.rst>`_
 * `GStreamer 相關 Dockerfile <dockerfile.rst>`_
 * 內部溝通機制
+* 靜態 Pipeline：Pipeline 執行後就再也不會更動
+* 動態 Pipeline：Pipeline 會在執行過程中根據情況改變 Pipeline 流程
+    - 重點是如何安全地跟執行中元件溝通並新增或刪除元件
+    - Pad Probes：註冊 callback，當條件符合時會執行
+    - Callback
+    - Blocking Types
 * 撰寫 Plugin
 * Bus
 * Pad Probe
@@ -30,22 +37,29 @@ GStreamer
     - custom signalling server
     - Janus
     - Kurento
-* UPnP streaming
-* DLNA
-* Miracast
 * Server
 * Filter
+* `降噪 <noise-cancellation.rst>`_
 * 即時
     - `分析 latency <latency.rst>`_
 * `上字幕 (Subtitle) <subtitle.rst>`_
 * `串流混合 (Mixing/Composition) <mixing.rst>`_
 * `硬體加速 (Hardware Acceleration) <hardware-acceleration.rst>`_
 * `藍牙 (Bluetooth) <bluetooth.rst>`_
-* `Google Cast <googlecast.rst>`_
+* 家用無線串流
+    - 2002 - UPnP AV
+    - 2003 - DLNA (Digital Living Network Alliance)
+    - 2004 - AirPlay
+    - 2010 - WiDi (Intel 的專案，目前已經終止，官方建議使用 Miracast)
+    - 2012 - Miracast
+    - 2012 - DIAL (Discovery and Launch)
+    - 2013 - `Google Cast <googlecast.rst>`_
+    - 自己設計家用無線串流（Server/Client）
 * `播放器 (Player) <player.rst>`_
 * `網頁顯示 (Web) <web.rst>`_
 * `Cheatsheet <cheatsheet.rst>`_
 * `GStreamer 相關公司 <company.rst>`_
+* `Talks <talks.rst>`_
 * 使用 GStreamer 的專案
     - Ardour
     - Pitivi

diff --git a/multimedia/gstreamer/bluetooth.rst b/multimedia/gstreamer/bluetooth.rst
@@ -2,5 +2,5 @@
 藍牙 (Bluetooth)
 ========================================
 
-
-.. contents:: 目錄
+* `藍牙知識 </multimedia/bluetooth>`_
+* `藍牙 & GStreamer </multimedia/bluetooth/gstreamer-bluetooth.rst>`_
diff --git a/multimedia/gstreamer/gstreamer-based-common-commands.rst b/multimedia/gstreamer/gstreamer-based-common-commands.rst
@@ -0,0 +1,25 @@
+========================================
+利用 GStreamer 模擬常見指令
+========================================
+
+
+.. contents:: 目錄
+
+
+cp
+========================================
+
+.. code-block:: sh
+
+    gst-launch-1.0 -q filesrc location=$SOURCE ! filesink location=$TARGET
+
+    gst_cp() {
+      gst-launch-1.0 -q filesrc location=$1 ! filesink location=$2
+    }
+
+
+.. code-block:: sh
+
+    gst_hexdump() {
+      gst-launch-1.0 -q filesrc location=$1 ! fakesink dump=1
+    }
diff --git a/multimedia/gstreamer/noise-cancellation.rst b/multimedia/gstreamer/noise-cancellation.rst
@@ -0,0 +1,43 @@
+========================================
+降低噪音 (Noise Cancellation)
+========================================
+
+
+.. contents:: 目錄
+
+
+噪音認定
+========================================
+
+* 回音
+* 雜訊
+* 背景車聲
+
+
+
+頻率過濾
+========================================
+
+audiochebband
+
+
+
+回音消去
+========================================
+
+
+
+聲音放大
+========================================
+
+
+
+人聲偵測
+========================================
+
+
+
+人聲放大
+========================================
+
+