Hi,
I wrote a small program based on the FFMPEG example
doc/examples/demuxing_decoding.c to extract the frames from an input video
and save them out as PNG files. This works but the output frames are
missing alpha information.
In this case the input file is WebM and the decoder used is VP9
(AV_CO
Am Mi., 17. März 2021 um 07:08 Uhr schrieb David Rappo
:
> const auto codecIdentifier{ AV_CODEC_ID_VP9 };
> auto decoder = avcodec_find_decoder(codecIdentifier);
Note that this looks very different from "ffmpeg -c:v libvpx-vp9 -i anim.webm"
> Does anybody know how to force FFMPEG to open the inp