Commit graph

6 commits

Author SHA1 Message Date
Tim-Philipp Müller
6dad8b7c78 closedcaption: fix leak in line21 decoder
Destroy old decoder instance when shutting down the
element, and also in case the input format changes.

Fix harness/pipeline leak in unit test.
2019-03-08 01:18:39 +00:00
Mathieu Duponchelle
919cd44f47 line21dec: general cleanup
This ports over the review comments made on line21enc in !217
2019-03-06 11:29:20 +01:00
Sebastian Dröge
48f48cc4ba closedcaption: Replace GST_VIDEO_CAPTION_TYPE_CEA608_IN_CEA708_RAW with CEA608_S334_1A
As a side-effect we can now actually store the line offset in the
line21dec element, and have to perform fewer transformations in the
decklink elements (which were also buggy as they assumed a single byte
triplet per meta).
2018-12-15 21:31:28 +00:00
Sebastian Dröge
f9e4ed99b0 line21dec: If CCs are not found at the previous line, reset and search from the beginning again 2018-12-15 21:31:28 +00:00
Sebastian Dröge
36ba1e80b6 line21dec: Don't read more lines than the height of the frame 2018-12-15 21:31:28 +00:00
Edward Hervey
2a1553cb88 closedcaption: Add new "line 21 VBI" CC decoder
Allows detecting and extracting CEA608 closed caption present on
the VBI of analog NTSC SD signals.
2018-05-28 15:03:57 +02:00