[FFmpeg-devel] [PATCH 6/7] avcodec/ffv1: support of more pix_fmt
Paul B Mahol
onemda at gmail.com
Fri Mar 9 19:30:29 EET 2018
On 3/7/18, Jerome Martinez <jerome at mediaarea.net> wrote:
> With some sources having specific pix_fmt (9/10/12/14 bit), the source
> is padded to 16-bit when the pix_fmt is not supported natively by the
> FFV1 encoder.
> Nothing is lost ("cutting" to the source bitdepth permits to retrieve
> the exact source), but the source bitdepth is not indicated so it is not
> possible to retrieve the exact source without having the source bitdepth
> by another channel. It also makes FATE tests (framemd5 comparison) a bit
> more complicated (bitdepth reduction).
> This patch adds native support of the pix_fmt being padded, so there is
> no more padding and the FFV1 bitdepth is same as source bitdepth.
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