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* avfilter/all: propagate errors of functions from avfilter/formatsGanesh Ajjanagadde2015-10-141-3/+3
| | | | | | | | | | | | | | | | | | Many of the functions from avfilter/formats can return errors, usually AVERROR(ENOMEM). This propagates the return values. All of these were found by using av_warn_unused_result, demonstrating its utility. Tested with FATE. I am least sure of the changes to avfilter/filtergraph, since I don't know what/how reduce_format is intended to behave and how it should react to errors. Fixes: CID 1325680, 1325679, 1325678. Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Previous version Reviewed-by: Nicolas George <george@nsup.org> Previous version Reviewed-by: Clément Bœsch <u@pkh.me> Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
* avfilter/vf_drawgraph: add rscroll slide modePaul B Mahol2015-09-031-5/+13
| | | | Signed-off-by: Paul B Mahol <onemda@gmail.com>
* avfilter/f_drawgraph: stop making foreground color transparentPaul B Mahol2015-08-021-5/+6
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* lavfi: add (a)drawgraph filterPaul B Mahol2015-07-031-0/+346
Signed-off-by: Paul B Mahol <onemda@gmail.com>
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