Morgan M-JPEG codec V3 developer pages

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MJPEG2000 codec: visit our MJPEG2000 LIB SDK page.

1. DirectShow[1] « Morgan MJPEG Decompressor » description and specifications :

DirectShow base class :

The filter derives from CVideoTransformFilter[2].

Interfaces and Class ID :

Input Formats:

Motion JPEG format as described in « OpenDML AVI File Format Extensions  - Version1.02 – section 7.0 ».

Output Formats:

RGB 15 bits (555)
RGB 16 bits (565)
RGB 24 bits
RGB 32 bits

YUY2
UYVY
I420
 

IIPM3JPEGdec methods :

put_IPM3JPEGdec (int nMode, BOOL bCIFwidth, BOOL bCIFheight)

nMode

IDC_NORMAL      (1009)               Disable Full to CIF internal mode.

IDC_FULL2CIF     (1010)              Enable Full to CIF internal mode.

bCIFwidth

If TRUE, frame width is aligned on 16-bytes.

bCIFheight

If TRUE, frame height is aligned on 16-bytes.

get_IPM3JPEGdec (int *nMode, BOOL *bCIFwidth, BOOL * bCIFheight)

nMode

IDC_NORMAL      (1009)               Full to CIF internal mode is disabled.

IDC_FULL2CIF     (1010)              Full to CIF internal mode is enabled.

bCIFwidth

If TRUE, frame width is aligned on 16-bytes.

bCIFheight

If TRUE, frame height is aligned on 16-bytes.

put_ForceYUY2 (BOOL bForceYUY2)

bForceYUY2

If TRUE, YUY2 output format is forced.

get_ForceYUY2 (BOOL *bForceYUY2)

Permet de savoir si le mode le format de sortie est forcé sur YUY2.

bForceYUY2

If TRUE, YUY2 output format is forced.

put_NoSkip (BOOL bNoSkip)

bNoSkip

If TRUE, no frame will be skiped (droped).

If FALSE, frame might be skiped if the filter graph requires it.

 get_NoSkip (BOOL *bNoSkip)

bNoSkip

If TRUE, no frame will be skiped (droped).

If FALSE, frame might be skiped if the filter graph requires it.

getFrames (int *frames)

frames

Return the number of frames decoded since « Start » of the graph.

getFps (REFTIME *fps)

fps

Return the number of frames per second rate achieved since « Start » of the graph.

getFormats (PCHAR pzsIn, PCHAR pzsOut, int size)

pzsIn

Return the input format (width x height x bits & FourCC [3]).

pzsOut

Return the output format (width x height x bits & FourCC).

size

Size of buffers  on which pzsIn and pzsOut point.