MP4 & QuickTime Writer: Technical Specs

This page is a copy of the original page on the AVObjects' web site and can also be viewed here.

DirectShow Interfaces

Filter Interfaces:

IBaseFilter, IFileSinkFilter/IFileSinkFilter2, IAMFilterMiscFlags, IPersistStream, ISpecifyPropertyPages, IAVOMpeg4Writer, IAVVersion

Input streams

H264/AVC, H265/HEVC, MPEG2, DVSD, DV25, DV50, DV100 (720 and 1080), M-JPEG, AAC Audio, PCM Audio, timecodes

Input Pin Media Types

'avc1'

H.264/AVC stream according to ITU-T Rec. H.264 / ISO/IEC 14496-10

and ISO/IEC 14496-15

[ MEDIATYPE_Video / FCC_AVC1 / FORMAT_MPEG2Video ],

seq_parameter_set() and pic_parameter_set() must be included in MPEG2VIDEOINFO

'hvc1'

H265/HEVC stream according to ITU-T H.265 and ISO/IEC 14496-15

[ MEDIATYPE_Video / MEDIASUBTYPE_HEVC / FORMAT_MPEG2Video ],

MPEG2VIDEOINFO::dwFlags = 4: MPEG2VIDEOINFO::dwSequenceHeader is <2 byte length><VPS> <2 byte length><SPS> <2 byte length><PPS>,

the size of length field is 4 bytes (it is defined in MPEG2VIDEOINFO::dwFlags = 4)

MPEG2VIDEOINFO::dwFlags = 0: MPEG2VIDEOINFO::dwSequenceHeader is MPEG-4 HEVCDecoderConfigurationRecord,

the size of the length field is 4 bytes (it is defined in HEVCDecoderConfigurationRecord::lengthSizeMinusOne = 3)

Input Pin Interfaces

IMemInputPin, IPin, IQualityControl

Merit

MERIT_DO_NOT_USE

Filter Categories

DirectShow filters (CLSID_LegacyAmFilterCategory), AVObjects filters (CLSID_AVObjectsCategory)

Filter Name

AVObjects MPEG-4 Writer

Executable

32 bit: Mpeg4Writer32L.dll (Release), Mpeg4Writer32DL.dll (Debug) 64 bit: Mpeg4Writer64L.dll (Release), Mpeg4Writer32DL.dll (Debug)