On Wed, Feb 24, 2021 at 11:25:42AM +0100, Anton Khirnov wrote: > AVID streams - currently handled by the AVRN decoder - can be (depending > on extradata contents) either MJPEG or raw video. To decode the MJPEG > variant, the AVRN decoder currently instantiates a MJPEG decoder > internally and forwards decoded frames to the caller (possibly after > cropping them). > > This is suboptimal, because the AVRN decoder does not forward all the > features of the internal MJPEG decoder, such as direct rendering. > Handling such forwarding in a full and generic manner would be quite > hard, so it is simpler to just handle those streams in the MJPEG decoder > directly. > > The AVRN decoder, which now handles only the raw streams, can now be > marked as supporting direct rendering. > > This also removes the last remaining internal use of the obsolete > decoding API. > --- > And now without the missing isom tag change. Thanks to Andreas for noticing. > --- > configure | 1 - > libavcodec/avrndec.c | 71 +---------------------------------------- > libavcodec/mjpegdec.c | 11 +++++++ > libavcodec/version.h | 2 +- > libavformat/avidec.c | 6 ++++ > libavformat/isom_tags.c | 4 +-- > tests/fate/video.mak | 2 +- > 7 files changed, 22 insertions(+), 75 deletions(-)
breaks: ./ffmpeg -vlowres 2 -i ~/tickets/162/avid.avi -vframes 3 avrn.avi The outputed image is several times bigger and looks as if it encodes random bits od memory thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB No human being will ever know the Truth, for even if they happen to say it by chance, they would not even known they had done so. -- Xenophanes
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