On Wed, Oct 26, 2016 at 12:40:20PM -0700, Philip Langdale wrote: > The new decode API allows for m:n decode patterns, which is what > you need to use this hardware in a sane way. There are so many > situations where 1:1 doesn't happen naturally that it's a miracle > I got it working as well as I did. > > With this change, we can throw all of the crazy heuristics and > sleeps(!) out, and things work correctly. > > Small issue - mpv (at least) expects that every output call after > input EOF returns a frame or is the end of the stream - this is not > behaviour we can offer - sometimes we have separate fields that > require two calls to collect and combine. > > Trying to do a tight loop in the decoder to get the second field > requires restoring some heuristics to avoid dead-locking when > additional input is required to get additional output. > > Signed-off-by: Philip Langdale <phil...@overt.org> > --- > libavcodec/crystalhd.c | 480 > +++++++++++++------------------------------------ > libavcodec/version.h | 2 +- > 2 files changed, 126 insertions(+), 356 deletions(-)
breaks fate: ./configure && make -j12 fate-vsynth1-msmpeg4 ... TEST vsynth1-msmpeg4 --- ./tests/ref/vsynth/vsynth1-msmpeg4 2016-10-27 03:11:18.675647981 +0200 +++ tests/data/fate/vsynth1-msmpeg4 2016-10-27 15:01:15.397863504 +0200 @@ -1,4 +1,5 @@ 3957ca57ac97f651c828ab00d8f0e088 *tests/data/fate/vsynth1-msmpeg4.avi 624706 tests/data/fate/vsynth1-msmpeg4.avi -4529fee96b8073e02974f5355e5f6c4e *tests/data/fate/vsynth1-msmpeg4.out.rawvideo -stddev: 7.98 PSNR: 30.09 MAXDIFF: 104 bytes: 7603200/ 7603200 +Running DIL (3.22.0) Version +DtsDeviceOpen: Opening HW in mode 0 +DtsDeviceOpen: Create File Failed Test vsynth1-msmpeg4 failed. Look at tests/data/fate/vsynth1-msmpeg4.err for details. make: *** [fate-vsynth1-msmpeg4] Error 1 [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Awnsering whenever a program halts or runs forever is On a turing machine, in general impossible (turings halting problem). On any real computer, always possible as a real computer has a finite number of states N, and will either halt in less than N cycles or never halt.
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