對于諸如衛(wèi)星和UAV（無人飛機）的應(yīng)用中，LEADTOOLS MPEG-2 Transport SDK Module支持任何KLV數(shù)據(jù)的創(chuàng)建與解析以創(chuàng)建各種規(guī)范的實現(xiàn)，例如：

• UAV Datalink Local Metadata Set (EG 0601 12 Jan 2006)

• Predator UAV Basic Universal Metadata Set (MISB EG 0104.4 25 August 2005)

LEADTOOLS MPEG-2 Transport SDK Module概述

• MPEG-2 Transport Stream Module技術(shù)概述

• LEAD MPEG-2傳輸多路復(fù)用器

• 視圖

• 音頻

• MPEG-2

• MPEG-4

• H.264

• MPEG1 Layer 1, 2, 3

• AAC

• AC3

• LPCM (需要一個LPCM音頻編碼器)

• 創(chuàng)建MPEG-2傳輸流和MPEG-2程序文件

• 添加私有的數(shù)據(jù)如KLV數(shù)據(jù)到一個流中。

• 通過MPEG-2傳輸格式（ISO/IEC 13818-1）支持所有的壓縮支持

• LEAD MPEG-2傳輸多路分用器

• 視頻

• 音頻

• MPEG-2

• MPEG-4

• H.264

• MPEG1 Layer 1, 2, 3

• AAC

• AC3 (需要一個AC3音頻解碼器)

• LPCM (需要一個LPCM音頻解碼器)

• AutoLive——如果它漂移到實時數(shù)據(jù)流后面時，它會自動跳躍前進。

• 播放MPEG-2傳輸流和MPEG-2程序文件而不用微軟的分用器。

• 通過UDP端口接受MPEG-2數(shù)據(jù)流。

• 解析私有數(shù)據(jù)，如：來自一個流的KLV數(shù)據(jù)。

• 在字節(jié)模式中的搜尋。

• 在具有不正確的時間戳的文件中搜尋。

• 通過MPEG-2傳輸格式（ISO/IEC 13818-1）支持播放所有的壓縮數(shù)據(jù)

• LEAD MPEG-2傳輸UDP發(fā)送端

• 內(nèi)置的DVR支持

• 自動地檢測和處理RTP包。

• 單播和多播IP的支持。

• 可配置的監(jiān)聽端口。

• 網(wǎng)絡(luò)接口卡（NIC）選擇。

• LEAD MPEG-2傳輸UDP接收端

• 單播或多播IP支持。

• 可配置的監(jiān)聽端口。

• 網(wǎng)絡(luò)接口卡（NIC）選擇。

• LEAD MPEG-2傳輸RTSP發(fā)送端

• 支持H264, JPEG和AAC壓縮

• 自動檢測和處理RTP包

• 可配置的監(jiān)聽端口

• 能夠配置服務(wù)器壓縮和其他參數(shù)

• LEAD DVR Sink

　　LEADTOOLS DVR Sink過濾器使用LEAD的智能時間平移算法來寫入實時視頻/音頻流到磁盤用于回放。開發(fā)人員對緩沖區(qū)的大小包括緩沖區(qū)跨越多個磁盤的支持擁有完全的控制。

• LEAD DVR Source

　　LEADTOOLS DVR Source過濾器從由LEADTOOLS DVR Sink創(chuàng)建的文件讀取視頻和音頻流。使用DVR Source過濾器，LEADTOOLS Player控件能夠播放，暫停，快退和快進實時流。

• LEAD MPEG-2 Multiplexer和Demultiplexer

LEAD MPEG-2 Multiplexer:

• 創(chuàng)建MPEG-2程序文件。

• 支持的視頻壓縮：

• MPEG1 (ISO/IEC 11172-2)

• MPEG2 (ISO/IEC 13818-2)

• MPEG4 (ISO/IEC 14496-2)

• H.264 (ISO/IEC 14496-10)

• 支持的音頻壓縮：

• MPEG-1 (ISO/IEC 11172-3)

• AC3 (DVD首選的音頻壓縮格式)

• LPCM (未壓縮的DVD音頻格式)

• AAC (MP4首選的音頻壓縮格式)

LEAD MPEG-2 Demultiplexer:

• 解析以下流：

• MPEG-2 Program 在ISO/IEC 13818-1中指定的流

• MPEG-1 System在ISO/IEC 11172-1中指定的流

• 基本流數(shù)據(jù)(又稱為原始視頻或原始音頻數(shù)據(jù))

• 支持的視頻壓縮：

• MPEG1 (ISO/IEC 11172-2)

• MPEG2 (ISO/IEC 13818-2)

• MPEG4 (ISO/IEC 14496-2)

• H.264 (ISO/IEC 14496-10)

• 支持的音頻壓縮：

• MPEG-1 (ISO/IEC 11172-3)

• AC3 (DVD首選的音頻壓縮格式)

• LPCM (無壓縮的DVD音頻格式)

• AAC (MP4首選的音頻壓縮格式)

• LEAD Video Frame Rate Control Filter

過濾器提供更改通過的視頻流的幀速率。

• LEAD Video Crop Filter

只有在視頻中的一個特定的矩形區(qū)域內(nèi)播放，轉(zhuǎn)換或捕捉。

• LEAD Video Deinterlace Filter

使用一種模式消除視頻隔行掃描，消除只感興趣的一個區(qū)域的隔行掃描（矩形），以及在視頻中指定的片段的隔行掃描的消除和怎樣消除片段中的隔行掃描（沒有消除隔行掃描，隔行掃描，使用一種模式消除隔行掃描）。包含一個“自動消除隔行掃描”選項用于檢測視頻以消除隔行掃描以及僅當(dāng)需要是應(yīng)用消除隔行掃描功能。

• LEAD Video Resize Filter

　　使用常規(guī)的調(diào)整大小，雙線性重采樣，雙三次或布萊森漢姆插值方法調(diào)整幀的寬度和高度，用這種方法來調(diào)整視頻的大小。

• LEAD Video Rotation Filter
  反向，翻轉(zhuǎn)，旋轉(zhuǎn)視頻90,180,和270度。當(dāng)在特定的設(shè)備在選裝的狀態(tài)捕獲視頻時非常有用。

• LEAD MPEG-2編碼器和解碼器

• 輕松創(chuàng)建1080和720 HDTV視頻。

• MPEG-1與MPEG-2流。

• 低，主要與高配置文件實現(xiàn)。

• 具有1/2像素的精確度的幀內(nèi)預(yù)測。

• 預(yù)處理幀速率調(diào)整。

• 具有一個質(zhì)量因子很寬范圍的固定的和可變的碼率壓縮選項。

• 預(yù)設(shè)VCD,SVCD和DVD壓縮選項。

• LEAD MPEG-4編碼器和解碼器

• 支持線性和非線性量化。

• 支持幀速率調(diào)整。

• 提供三種輸出格式：MP4V (標(biāo)準(zhǔn)), LMP4, 和XVID。LMP4是LEAD的專有的MPEG-4視頻格式并且包含實現(xiàn)更好的壓縮性能的選項。

• 可配置的移動估計參數(shù)

• LEAD H264 編碼器和解碼器

• 用于平滑回放損壞的視頻數(shù)據(jù)的機制。

• 當(dāng)與其他的H.264編碼器比較時，LEAD的高級的壓縮選項一個創(chuàng)新的方式使用了H.264標(biāo)準(zhǔn)壓縮以使用更少的資源產(chǎn)生超級小的流。這種具備“超級”的性能，它能夠?qū)崟r編碼與H.264兼容的視頻流而不用額外的硬件或更多的CPU使用率。在視頻會議應(yīng)用中這種超級的壓縮選項是理想的選擇。

• 實時播放高清定義格式（720p和1080i）。

• 用戶自定義的移動估計參數(shù)設(shè)置控制編碼器速率和質(zhì)量的平衡。

• 多種過去和未來幀的任意組合的參考幀，提供精確的幀內(nèi)預(yù)測，以及在流超過網(wǎng)絡(luò)或互聯(lián)網(wǎng)的處理能力時出現(xiàn)的丟包時提高可靠性。

• 使用參考幀的無限制的移動搜索通過預(yù)測丟失的數(shù)據(jù)可以丟失部分幀，以提高網(wǎng)絡(luò)性能。

• 只保存各移動向量之間的不同，提高壓縮比。

• 幀內(nèi)預(yù)測能夠在4x4或16x16的塊上運行。

• 移動向量預(yù)測是在幀被準(zhǔn)備壓縮前（pre-DCT）執(zhí)行以提高預(yù)測和壓縮性能。

• 一個上下文感知的解塊過濾器平滑外部與內(nèi)部的邊緣，大大提高了視頻的視覺質(zhì)量。

• 擁有上下文自適應(yīng)的變長編碼（CAVLC）編碼轉(zhuǎn)換系數(shù)。

• 上下文自適應(yīng)二進制算術(shù)編碼（CABAC）方法不斷更新接受數(shù)據(jù)的頻率統(tǒng)計信息并自適應(yīng)地調(diào)節(jié)算法，提高壓縮性能。

• 編碼到視頻流的幀類型的數(shù)量的控制。

• LEAD MCMP/MJPEG解碼器

• 解碼MCMP視頻

• 解碼MJPEG視頻

• LEAD MPEG音頻編碼器

• 使用MPEG-1 Layer2音頻壓縮標(biāo)準(zhǔn)(ISO/IEC 11172-3)壓縮音頻數(shù)據(jù)

• 能夠在一個MPEG-1或MPEG-2文件中多路復(fù)用。

• 創(chuàng)建MPEG-1或MPEG-2 DVD文件。

• LEAD AAC編碼器和解碼器

• 支持可變的和固定比特率。

• 輸出通道原則。

• 環(huán)繞功能。

• 支持AAC，MPEG-4和MPEG-2版本。

• 支持低復(fù)雜度，主流及長期的預(yù)測概要文件。

• 支持兩種流格式；Raw和ADTS。

• 輸出采樣頻率選擇。

• 截止頻率選項。

• 可選擇的強度立體聲輸出。

產(chǎn)品演示

　　LEADTOOLS MPEG-2 Transport Stream SDK Module包含有具有源代碼的產(chǎn)品演示程序，有助于啟動您自己的開發(fā)項目。

• MPEG-2 Transport Demo

• DVR Demo

LEADTOOLS MPEG-2 Transport SDK Module無縫地添加MPEG-2 Transport技術(shù)到

• LEADTOOLS Multimedia SDK

For applications such as satellites and UAVs (Unmanned Aerial Vehicle), the LEADTOOLS MPEG-2 Transport SDK Module supports the creation and parsing of any KLV data to create implementations of specifications such as:

• UAV Datalink Local Metadata Set (EG 0601 12 Jan 2006)
• Predator UAV Basic Universal Metadata Set (MISB EG 0104.4 25 August 2005)

Overview of LEADTOOLS MPEG-2 Transport SDK Module

• Overview of the MPEG-2 Transport Stream Module Technology
• LEAD MPEG-2 Transport Multiplexer
  • Create MPEG-2 transport streams and MPEG-2 program files.
  • Add private data such as KLV data to a stream.
  • Supports all compressions supported by MPEG-2 transport format (ISO/IEC 13818-1).
    • Video
      • MPEG-2
      • MPEG-4
      • H.264
    • Audio
      • MPEG1 Layer 1, 2, 3
      • AAC
      • AC3
      • LPCM (Requires an LPCM audio encoder)
• LEAD MPEG-2 Transport Demultiplexer
  • AutoLive – automatically jump ahead if it drifts behind the live stream.
  • Play MPEG-2 transport streams and MPEG-2 program files without using the Microsoft demuxers.
  • Receive streaming MPEG-2 data through UDP ports.
  • Parse the private data such as KLV data from a stream.
  • Seek in byte mode.
  • Seek in files with incorrect timestamps.
  • Play all compressions supported by MPEG-2 transport format (ISO/IEC 13818-1).
    • Video
      • MPEG-2
      • MPEG-4
      • H.264
    • Audio
      • MPEG1 Layer 1, 2, 3
      • AAC
      • AC3 (Requires an AC3 audio decoder)
      • LPCM (Requires an LPCM audio decoder)
• LEAD MPEG-2 Transport UDP Source
  • Built-in DVR support.
  • Automatically detects and handles RTP packets.
  • Unicast and multicast IP support.
  • Configurable listening port.
  • Network interface card (NIC) selection.
• LEAD MPEG-2 Transport UDP Sink
  • Unicast or Multicast IP support.
  • Configurable listening port.
  • Network interface card (NIC) selection.
• LEAD MPEG-2 Transport RTSP Source
  • Support for H264, JPEG and AAC compression
  • Automatically detects and handles RTP packets
  • Configurable listening port
  • Can configure the server compression and other parameters
• LEAD DVR Sink
  The LEADTOOLS DVR Sink filter uses LEAD's intelligent time-shifting algorithm to write live video/audio streams to disk for playback. Developers have complete control of the buffer size including support to have the buffer span more than one disk.
• LEAD DVR Source
  The LEADTOOLS DVR Source filter reads video and audio streams from files created by the LEADTOOLS DVR Sink filter. With the DVR Source filter, the LEADTOOLS Player control can play, pause, rewind and fast forward live streams.
• LEAD MPEG-2 Multiplexer and Demultiplexer

  LEAD MPEG-2 Multiplexer:

  • Create MPEG-2 program files.
  • Supported video compressions:
    • MPEG1 (ISO/IEC 11172-2)
    • MPEG2 (ISO/IEC 13818-2)
    • MPEG4 (ISO/IEC 14496-2)
    • H.264 (ISO/IEC 14496-10)
  • Supported audio compressions:
    • MPEG-1 (ISO/IEC 11172-3)
    • AC3 (preferred audio compression for DVDs)
    • LPCM (uncompressed DVD audio)
    • AAC (preferred audio compression for MP4)

  LEAD MPEG-2 Demultiplexer:

  • Parses the following streams:
    • MPEG-2 Program specified in ISO/IEC 13818-1
    • MPEG-1 System specified in ISO/IEC 11172-1
    • Elementary stream data (also known as raw video or raw audio data)
  • Supported video compressions:
    • MPEG1 (ISO/IEC 11172-2)
    • MPEG2 (ISO/IEC 13818-2)
    • MPEG4 (ISO/IEC 14496-2)
    • H.264 (ISO/IEC 14496-10)
  • Supported audio compressions:
    • MPEG-1 (ISO/IEC 11172-3)
    • AC3 (preferred audio compression for DVDs)
    • LPCM (uncompressed DVD audio)
    • AAC (preferred audio compression for MP4)

• LEAD Video Frame Rate Control Filter
  The Frame Rate Control filter provides changes the frame rate of the passing video stream.
• LEAD Video Crop Filter
  Play, convert or capture only a specific rectangular area within the video.
• LEAD Video Deinterlace Filter
  Deinterlaces video with a pattern, deinterlaces only a region of interest (rectangle), and specifies segments in the video to deinterlace and how to deinterlace the segment (no deinterlace, interlace, deinterlace with pattern). Includes an “Auto Deinterlace” option to check the video for interlacing and apply deinterlacing only if necessary.
• LEAD Video Resize Filter
  Resizes the video by adjusting the width and height of the frames using normal resize, resample bilinear, bicubic or Bresenham interpolation.
• LEAD Video Rotation Filter
  Flips, reverses, rotates video 90, 180, and 270 degrees. Very useful when certain devices capture video in a rotated state.
• LEAD MPEG-2 Encoder and Decoder
  • Easily create 1080 and 720 HDTV video.
  • MPEG-1 and MPEG-2 streams.
  • Low, main & high profiles implementation.
  • Inter-prediction accuracy of 1/2 pixel.
  • Preprocessing frame-rate adjustment.
  • Fixed and variable bit rate compression options with a wide range of quality factors.
  • Preset compression options for VCD, SVCD and DVD.
• LEAD MPEG-4 Encoder and Decoder
  • Supports linear and nonlinear quantization.
  • Supports frame rate adjustment.
  • Delivers 3 output formats: MP4V (standard), LMP4, and XVID. LMP4 is LEAD’s proprietary MPEG-4 video and includes options to achieve better compression performance.
  • Configurable motion estimation.
• LEAD H264 Encoder and Decoder
  • Mechanism for smoother playback of corrupted video data.
  • LEAD’s super compression option uses H.264 standard compression in an innovative way to produce super small streams using less resources when compared to other H.264 encoders. With this “super” performance it is possible to stream H.264 compatible videos in real time without additional hardware or excessive CPU usage making the super compression option ideal for video conference applications.
  • Play high definition formats (720p and 1080i) in real time.
  • User definable motion estimation settings controls the balance between encoder speed and quality.
  • Multiple reference frames of any combination of past and future frames, providing precise interprediction as well as improved robustness during packet loss while streaming over the network or Internet.
  • Unrestricted motion search uses reference frames that may be partly outside the frame improving network performance by predicting missing data.
  • Only the difference between motion vectors is saved, increasing the compression ratio.
  • Intraprediction may be performed either on 4x4 blocks or 16x16.
  • Motion vector prediction is performed before the frame is prepared for compression (pre-DCT) improving prediction and compression performance.
  • A context-sensitive deblocking filter smoothes out internal edges, significantly improving the visual quality of the video.
  • Employs Context-Adaptive Variable Length Coding (CAVLC) to encode transform coefficients.
  • The Context-Adaptive Binary Arithmetic Coding (CABAC) method continually updates frequency statistics of the incoming data and adaptively adjusts the algorithm, improving compression performance.
  • Control of the number of frame types encoded into the video stream.
• LEAD MCMP/MJPEG Decoder
  • Decode MCMP Video
  • Decode MJPEG Video
• LEAD MPEG Audio Encoder
  • Compress audio data using the MPEG-1 Layer 2 audio compression standard (ISO/IEC 11172-3).
  • Can be multiplexed into an MPEG-1 or MPEG-2 file.
  • Create MPEG-1 or MPEG-2 DVD files.
• LEAD AAC Encoder and Decoder
  • Supports both variable and constant bitrates.
  • Output channels selection.
  • Surround feature.
  • Supports both versions of AAC, MPEG-4 and MPEG-2.
  • Supports Low Complexity, Main, and Long Term Prediction profiles.
  • Supports 2 stream formats; Raw and ADTS.
  • Output sample frequency selection.
  • Cut-off frequency option.
  • Optionally force stereo output.

Product Demos

LEADTOOLS MPEG-2 Transport Stream SDK Module includes demos with source code to help you get started with your own development project.

• MPEG-2 Transport Demo
• DVR Demo

LEADTOOLS MPEG-2 Transport SDK Module Seamlessly Adds MPEG-2 Transport Technology to

• LEADTOOLS Multimedia SDK