MMA_DataFormat

MMA_DataFormat (V50) [..G.Q], STRPTR

DESCRIPTION

   Returns read-only textual NULL-terminated description of decoded format.
   This class returns "JPEG" string

MMA_Video_FrameCount

MMA_Video_FrameCount (V51) [..G.Q], UQUAD*

DESCRIPTION

   Always returns 1

NOTES

   As every 64-bit attribute, MMA_Video_FrameCount is passed by pointer to a
   64-bit value.

MMA_Video_UseAlpha

MMA_Video_UseAlpha (V50) [..G.Q], BOOL

DESCRIPTION

   Returns FALSE

MMM_Pull

Writes encoded data to specified buffer. (V50)

SYNOPSIS

   ULONG DoMethod(Object *obj, MMM_Pull, ULONG port, APTR buffer, ULONG
     length);

DESCRIPTION

   This class does not process image data,  pull requests are
   just forwarded to the connected stream

INPUTS

   obj - object to perform method on.
   port - number of port, must be output (1).
   buffer - destination buffer for bitmap data.
   length - amount of data to be pulled in bytes

RESULT

   Number of bytes pulled, secondary error information via MMA_ErrorCode

SEE ALSO

• multimedia.class/MMA_ErrorCode

background

DESCRIPTION

   The class is a Reggae demultiplexer for JPEG images.
   The class does not process stream.

   Object of jpeg.demuxer class has two ports: port 0 is an input and
   accepts MMF_STREAM format, port 1 is an output and produces
   MMF_VIDEO_JPEG format.

NEW ATTRIBUTES

   MMA_DataFormat              (V51)    [..G.Q], STRPTR
   MMA_Video_FrameCount        (V51)    [..G.Q], *UQUAD
   MMA_Video_UseAlpha          (V51)    [..G.Q], ULONG

NEW METHODS

   MMM_Pull(port, buffer, length)  (V51)

   51.1  (30.11.2007)
   - Initial revision.