[FFmpeg-devel] [PATCH] lavfi/overlay: add dynamic x/y expression evaluation support

Stefano Sabatini stefasab at gmail.com
Mon Apr 8 20:12:22 CEST 2013


On date Friday 2013-04-05 01:14:42 +0200, Stefano Sabatini encoded:
> On date Thursday 2013-04-04 10:40:30 +0200, Clément Bœsch encoded:
[...]
> From 92572c5f7f41ade78faab86188076fec541acd20 Mon Sep 17 00:00:00 2001
> From: Stefano Sabatini <stefasab at gmail.com>
> Date: Tue, 19 Feb 2013 20:10:02 +0100
> Subject: [PATCH] lavfi/overlay: add dynamic expression evaluation support
> 
> Add support for dynamic x, y, and enable expression evaluation.
> 
> Also add support for an evaluation mode which allows to disable per-frame
> evaluation, so that there is no speedloss in case the expression does not
> depend on frame variables.
> 
> TODO: bump micro
> ---
>  doc/filters.texi         |   83 +++++++++++++++++++++++------
>  libavfilter/vf_overlay.c |  133 ++++++++++++++++++++++++++++++++++------------
>  2 files changed, 166 insertions(+), 50 deletions(-)

Updated, x/y and eval split.

[...]
-- 
FFmpeg = Foolish and Forgiving Mind-dumbing Plastic ExchanGer
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