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PathPartner's component IP portfolio comprises of several off-the-shelf, ready to integrate multimedia components tageted
for emerging market verticals such as - wireless handset, connected media-centric consumer devices and surveillance.
These solutions will reduce the prototype or product development cycle and time to market for customers.
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Media Streaming Protocol Stacks
The RTP/RTSP/RTCP based streaming protocol stacks have been designed for real-time media streaming server
and playback client applications on resource constrained media centric devices.
Salient features of the Stacks :
- Supports 3GPP streaming
- Supports many different video (viz: H.264, MPEG-4, MJPEG etc.) and audio (viz: AMR, AAC G.7xx etc.) media types
- Supports real-time control (e.g., play, pause, seek, stop etc) of media stream using RTSP protocol
- Supports sender / receiver reports and retransmission of lost packets
- Supports multicast
- Conformance to RFC 3550 (RTP/RTCP), 4588 (RTP Retransmission), 4585 (RTCP FB), 2327 (SDP) and 2326 (RTSP)
- Server stack is interoperable with many major RTSP clients such as: QuickTime Player, Real player, VLC player etc
- Client stack is interoperable with many major RTSP servers such as: Darwin, Helix etc.
- The APIs are easy to integrate and are OS independent.
- Target applications for server stack - Storage media streaming servers and Live media streaming servers (such as: Set-top boxes, Place shifting devices, Home media gateways, Network security cameras etc.)
- Target applications for client stack - Mobile Phones, PDAs, Music/Video Players, Portable Media Players, Set-top boxes, Network surveillance applications, Digital home applications
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Media File Parsers and Writers :
PathPartner offers file parsers for 3GPP, 3GPP2, MP4, AVI, ASF & MKV file formats and file writers for 3GPP format.
The parsers and writers are optimized for embedded devices (such as: Mobile Phones, PDAs,
Portable Media Players, Camcorders, Set-top boxes, Network surveillance applications, Digital home applications etc.)
with limited availability of memory and computing horse-power.
Salient features of the 3GPP/MP4 file parser and writer :
- Supports 3GP, 3G2, MP4 file formats
- Supports many different audio (e.g., AMR-NB/WB, AAC etc) and video (e.g., MPEG-4, H.264 etc) media types
- Supports parsing of hint tracks in case of streamed media.
- Conformance to ISO-IEC 14496-12, ISO-IEC 14496-1 , ISO-IEC 14496-14 , ISO-IEC 14496-15 and other related specifications.
- File read/write operations are optimized using data caches, suitable for low speed file system devices (e.g., NAND flash based devices).
- Intelligent usage of fixed size heap memory, independent of file size and duration.
- The APIs are easy to integrate and are OS independent.
- Available as DirectShow Filters and GStreamer Plugins.
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DirectShow Filter Development Kit :
This is a framework that enables rapid development of DirectShow Filters and DMOs for multimedia components (such as: Codecs, File Parsers & Writers)
using either native APIs or standardized APIs (e.g., OpenMax).
- Enables quick integration of native codec, file parser and file writer libraries to filters and DMOs, by using well defined & easy to use plug-in interfaces and macros.
- Each filter or DMO can support multiple media/codec types, which reduces the code size and facilitates easy code maintainability and scalability.
- Integration with Windows Media Player and PIMG applications on SmartPhone and PocketPC platforms ( Windows Mobile 5.0 onwards)
- Passed CETK and Hopper testing.
- Sample applications that illustrates usage of Direct Show APIs for playback and recording available on all OS ( WinCE 5.0, Win32, Windows Mobile 5.0 and Windows Mobile 6.x)
- Custom handling of Audio-Video Syncronization.
- Developer does not need to have in-depth DirectShow knowledge or prior experience while using this framework.
- Sample code to illustrate the integration of dummy codec, file parser and file writer native libraries available.
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