GXF/LXF Reader
From AVObjects Knowledge Base
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Revision as of 10:55, 18 October 2013
This page is a copy of the original page on the AVObjects' web site and can also be viewed here.
XReader DirectShow filter for read and demultiplex GXF and LXF files.
Overview
The XReader filter is used for playback of GXF and LXF files. It accepts data in GXF or LXF format and demultiplexes it into its DV-DIF, MPEG-2 Video, PCM Audio data streams for further processing and/or rendering.
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/AVC Video Decoder, or DV Decoder 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.
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 360-2009: General Exchange Format (GXF)
- SMPTE 360-2009, General Exchange Format
- SMPTE 336M-2007, Data Encoding Protocol Using Key-Length-Value
- SMPTE 339-2008, Format for Non-PCM Audio and Data in AES3 — Generic Data Types
Technical Specs
DirectShow Interfaces
| Filter Interfaces: | IBaseFilter, IAVOXReader |
| Output streams | DV frames of DV25, DV50 types MPEG-2 Stream PCM Audio |
| Output Pin Media Types | MEDIATYPE_Interleaved, MEDIATYPE_Video, MEDIATYPE_Audio MEDIASUBTYPE_dv25, MEDIASUBTYPE_dv50 MEDIASUBTYPE_MPEG2_VIDEO, MEDIASUBTYPE_PCM FORMAT_DvInfo, FORMAT_MPEG2Video, FORMAT_WaveFormatEx |
| Output Pin Interfaces | IPin, IMediaSeeking |
| Merit | MERIT_DO_NOT_USE |
| Filter Categories | DirectShow filters, AVObjects filters |
| Filter Name | AVObjects XReader |
| Executable | XReader.dll |
