[FFmpeg-devel] [WIP] GSoC P frame support for FFV1 codec

[Michael Niedermayer]

On Fri, Mar 25, 2016 at 09:38:37PM +0300, Станислав Долганов wrote:
> New formula for residual calculation, which reduced compressed sized
> significantly, but it is still a bit larger then in case if all frames are
> I. I think it because of coder context changes to much from I frame pixel
> value to P ones.
> 
> Also more fate test references were generated.

fails with threads

make -j12 `make fate-list | grep ffv1` THREADS=2

*** glibc detected *** ffmpeg/ffmpeg: double free or corruption (!prev): 0x00000000035d22c0 ***
*** glibc detected *** ffmpeg/ffmpeg: corrupted double-linked list: 0x0000000002cfdec0 ***
--- ./tests/ref/vsynth/vsynth1-ffv1     2016-03-25 21:39:42.883500361 +0100
+++ tests/data/fate/vsynth1-ffv1        2016-03-25 23:09:15.935613556 +0100
@@ -1,4 +1,2 @@
 04297f9a747548818ceed86edf356957 *tests/data/fate/vsynth1-ffv1.avi
 3288706 tests/data/fate/vsynth1-ffv1.avi
-c5ccac874dbf808e9088bc3107860042 *tests/data/fate/vsynth1-ffv1.out.rawvideo
-stddev:    0.00 PSNR:999.99 MAXDIFF:    0 bytes:  7603200/  7603200
*** glibc detected *** ffmpeg/ffmpeg: corrupted double-linked list: 0x0000000002e7d300 ***
Test vsynth1-ffv1 failed. Look at tests/data/fate/vsynth1-ffv1.err for details.
make: *** [fate-vsynth1-ffv1] Error 139
make: *** Waiting for unfinished jobs....
*** glibc detected *** ffmpeg/ffmpeg: corrupted double-linked list: 0x0000000003ae2820 ***
*** glibc detected *** ffmpeg/ffmpeg: corrupted double-linked list: 0x0000000002453480 ***
*** glibc detected *** ffmpeg/ffmpeg: corrupted double-linked list: 0x0000000002704580 ***

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The real ebay dictionary, page 1
"Used only once"    - "Some unspecified defect prevented a second use"
"In good condition" - "Can be repaird by experienced expert"
"As is" - "You wouldnt want it even if you were payed for it, if you knew ..."
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 181 bytes
Desc: Digital signature
URL: <http://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20160325/9489ce1f/attachment.sig>