# h264ccinserter

Extracts closed caption meta from buffer and inserts closed caption SEI message

## Example launch line

    gst-launch-1.0.exe filesrc location=video.mp4 ! parsebin name=p ! h264parse ! \
      queue ! cccombiner name=c ! \
      h264ccinserter remove-caption-meta=true caption-meta-order=display ! \
      h264parse ! avdec_h264 ! videoconvert ! cea608overlay ! queue ! autovideosink \
      filesrc location=caption.mcc ! mccparse ! ccconverter ! \
      closedcaption/x-cea-708,format=(string)cc_data ! queue ! c.caption

Above pipeline inserts closed caption data to already encoded H.264 stream and renders. Because mccparse outputs caption data in display order, "caption-meta-order=display" property is required in this example.

## Hierarchy

    GObject
        ╰──GInitiallyUnowned
            ╰──GstObject
                ╰──GstElement
                    ╰──GstCodecCCInserter
                        ╰──h264ccinserter

## Factory details

Authors: – Seungha Yang <seungha></seungha>

Classification: – `Codec/Video/Filter`

Rank – none

Plugin – closedcaption

Package – GStreamer Bad Plug-ins

## Pad Templates

### `sink`

    video/x-h264:
          alignment: au

Presence – always

Direction – sink

Object type – GstPad

### `src`

    video/x-h264:
          alignment: au

Presence – always

Direction – src

Object type – GstPad

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