[FFmpeg-devel] [PATCH] avfilter: add EIA-608 line extractor

Paul B Mahol onemda at gmail.com
Tue Jan 24 10:26:59 EET 2017


On 1/23/17, Marton Balint <cus at passwd.hu> wrote:
>
> On Mon, 23 Jan 2017, Paul B Mahol wrote:
>
>> On 1/17/17, Paul B Mahol <onemda at gmail.com> wrote:
>>> Signed-off-by: Dave Rice <dave at dericed.com>
>>> Signed-off-by: Paul B Mahol <onemda at gmail.com>
>>> ---
>>>  doc/filters.texi            |  70 ++++++++++++
>>>  libavfilter/Makefile        |   1 +
>>>  libavfilter/allfilters.c    |   1 +
>>>  libavfilter/vf_readeia608.c | 268
>>> ++++++++++++++++++++++++++++++++++++++++++++
>>>  4 files changed, 340 insertions(+)
>>>  create mode 100644 libavfilter/vf_readeia608.c
>>>
>>
>> Gonna push this soon.
>
> You may consider using the bit slicer only from libzvbi, I have used it
> for teletext in libavdevice/decklink_dec.cpp, in the
> teletext_data_unit_from_vbi_data function.
>
> I have copied the initialization variables from the zvbi source
> raw_decoder.c, maybe you can do the same with CC.

IMHO, its too limited.


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