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MmAcquireOutputChannel()

Acquire a multimedia output channel

Synopsis:

MmChannel_t *MmAcquireOutputChannel(MmFilter_t *filter,
                                    int32_t mtype);

Arguments:

filter

A pointer to the filter you want to acquire an output channel for.

mtype

The media type of the output channel you want to acquire. Can be one of:

• MEDIA_TYPE_IMAGE
• MEDIA_TYPE_VIDEO
• MEDIA_TYPE_AUDIO
• MEDIA_TYPE_TEXT
• MEDIA_TYPE_UNKNOWN

You can OR these flags with MEDIA_TYPE_COMPRESSED if the data is compressed.

Library:

mmedia

Description:

This function acquires an output channel from filter of the media type mtype. This function returns NULL if it can't acquire an output channel.

Returns:

A pointer to a new channel (an MmChannel_t) if successful, NULL if not.

Classification:

Neutrino

See also:

MmAcquireInputChannel(), MmAttachChannels(), MmChannel_t, MmReleaseChannel()