GXF Splitter


GXF splitter (demultiplexer) DirectShow filter.

Overview

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The GXF (General eXchange Format) Splitter (demultiplexer) filter is used for playback of GXF files. It accepts data in GXF format and demultiplexes it into its DV-DIF, MPEG-2 Video, PCM Audio data streams for further processing and/or rendering. This filter is typically connected to the Async File Source filter on its input pin, although it can connect to any filter that has an output pin that supports IAsyncReader.

General eXchange Format (GXF) is a container format designed for transfer of simple and compound clips between television program storage systems. It can contain Motion JPEG (M-JPEG), MPEG-2, H.264, or DV video compression standards with PCM audio, time code, and user data that may include user-defined metadata.

Features

  • Supports reverse playback for DV and PCM Audio tracks.

GXF Media Types

  • MPEG-2 525 - video track encoded using ISO/IEC 13818-2 (MPEG-2)
  • MPEG-2 625 - video track encoded using ISO/IEC 13818-2 (MPEG-2)
  • MPEG HD - video track encoded using ISO/IEC 13818-2 (MPEG-2) Main Profile at High Level
  • DV-based 25 Mb/s - video track encoded using SMPTE 314M or ISO/IEC
  • Structure, 525 - 61834-2 DV encoded at 25 Mb/s for 525/60i
  • DV-based 25 Mb/s - video track encoded using SMPTE 314M or ISO/IEC
  • Structure, 625 - 61834-2 DV encoding at 25 Mb/s for 625/50i
  • DV-based 50 Mb/s - video track encoded using SMPTE 314M DV encoding at 50
  • Structure, 525 - Mb/s for 525/50i
  • DV-based 50 Mb/s - video track encoded using SMPTE 314M DV encoding at 50
  • Structure, 625 - Mb/s for 625/50i
  • Audio PCM 24 - 24-bit PCM audio track
  • Audio PCM 16 - 16-bit PCM audio track

Supported Standards

  • SMPTE 360M-2004: General Exchange Format (GXF)

Technical Specs


DirectShow Interfaces


Filter Interfaces:IBaseFilter, IMLGXFSplitter
Input streamGXF data
Input Pin Media TypesMEDIATYPE_Stream
Input Pin InterfacesIPin, IMemInputPin
Output streamsDV frames of DV25, DV50 types
MPEG-2 Stream
PCM Audio
Output Pin Media TypesMEDIATYPE_Interleaved, MEDIATYPE_Video, MEDIATYPE_Audio
MEDIASUBTYPE_dv25, MEDIASUBTYPE_dv50
MEDIASUBTYPE_MPEG2_VIDEO, MEDIASUBTYPE_PCM
FORMAT_DvInfo, FORMAT_MPEG2Video, FORMAT_WaveFormatEx
Output Pin InterfacesIPin, IMediaSeeking
MeritMERIT_DO_NOT_USE
Filter CategoriesDirectShow filters, MediaLooks filters
Filter NameMediaLooks GXF Splitter
ExecutableGXFSplitter.dll

See Also

Licensing


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