[FFmpeg-devel] [PATCH] avcodec/dvdec: add frame threads

[Michael Niedermayer]

On Thu, Apr 18, 2019 at 01:19:58AM +0200, Michael Niedermayer wrote:
> On Wed, Apr 17, 2019 at 06:16:39PM +0200, Paul B Mahol wrote:
> > Signed-off-by: Paul B Mahol <onemda at gmail.com>
> > ---
> >  libavcodec/dvdec.c | 19 ++++++++++---------
> >  1 file changed, 10 insertions(+), 9 deletions(-)
> 
> Is this intended to be 100% same output ?
> 
> I have a few cases that produce differences. Dont have a good testcase though
> ./ffmpeg -i ~/tickets/1589/A1590.dv avi-b.avi
> produces different output.
> oddly -f framecrc produces the same output
> not sure this is a problem or not the input file may have issues

heres another testcase:
./ffmpeg -i ~/tickets/2390/dv_cut.dv aviavi2.avi

-rw-r----- 1 michael michael 112414 Apr 18 01:18 aviavi2.avi
-rw-r----- 1 michael michael 112446 Apr 18 01:18 aviavi.avi
--- strings1	2019-04-18 01:19:42.472574387 +0200
+++ strings2	2019-04-18 01:19:37.764574245 +0200
@@ -1,4 +1,4 @@
-RIFF6
+RIFF
 AVI LIST
 hdrlavih8
 LIST
@@ -8,7 +8,7 @@
 FMP4
 JUNK
 00dc
-vprpd
+vprpD
 LIST
 strlstrh8
 auds


[...]


-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Let us carefully observe those good qualities wherein our enemies excel us
and endeavor to excel them, by avoiding what is faulty, and imitating what
is excellent in them. -- Plutarch
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