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13 Commits

Author SHA1 Message Date
Marton Balint 7f3a946216 Revert "avfilter/vf_minterpolate: if metadata lavfi.scd.mafd exists, we'll use it first" 
This reverts commit d88e1c9838.

Fixes null pointer dereference.

Signed-off-by: Marton Balint <cus@passwd.hu>
 2020-05-15 18:35:51 +02:00
Limin Wang 815a3b393c avfilter/vf_minterpolate: change the default threshold to get better scene change detect result 
./ffmpeg -loglevel debug -i ../fate-suite/svq3/Vertical400kbit.sorenson3.mov -vf
 minterpolate=fps=60:mi_mode=blend -an -f null -
 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 1600
 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 4120
 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 5780
 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 6700
 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 8140
 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 9740
 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 14060
 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 15680
 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 18480
 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 20020
 [Parsed_minterpolate_0 @ 0x7fe7f3e193c0] scene changed, input pts 21740

 The results are consistent with tests/ref/fate/filter-metadata-scenedetect

 For the master, it'll detect more than 20 scene change for the same source.

Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
 2020-05-14 23:03:07 +08:00
Limin Wang 61cc009d53 avfilter/vf_minterpolate: correct the mafd calculation 
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
 2020-05-14 23:03:07 +08:00
Limin Wang d88e1c9838 avfilter/vf_minterpolate: if metadata lavfi.scd.mafd exists, we'll use it first 
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
 2020-05-14 23:03:07 +08:00
Carl Eugen Hoyos 21dd05ee6a lavfi/minterpolate: Remove declaration of two unused variables. 2018-11-16 21:45:49 +01:00
Marton Balint 936d18fb42 avfilter/vf_minterpolate: use common scene sad functions 
Signed-off-by: Marton Balint <cus@passwd.hu>
 2018-11-11 20:30:50 +01:00
Jun Zhao eb776a16ea lavfi/minterpolate: fix blending calc issue. 
the right blending calc is:
(alpha * Frame_2 + (MAX - alpha) * Frame_1 + 512) >> 10

Signed-off-by: Jun Zhao <mypopydev@gmail.com>
 2018-07-08 23:05:34 +08:00
Carl Eugen Hoyos ad73b32d29 lavfi/minterpolate: Split struct Pixel to allow higher resolutions. 
Raises the maximum resolution from 2716x2707 to approximately 4096x4095.

Fixes ticket #6795.
 2017-12-28 01:28:57 +01:00
Michael Niedermayer 855305fac2 avfilter/vf_minterpolate: Use dx and dy 
Fixes CID1396283 and CID1396284

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2017-03-30 22:46:31 +02:00
Carl Eugen Hoyos 350ce0b9d3 lavfi/minterpolate: Remove an unused variable. 2017-02-11 16:38:56 +01:00
Davinder Singh 367577dbe2 avfilter/vf_minterpolate: rename chroma log vars 
also use AVPixFmtDescriptor instead of avcodec_get_chroma_sub_sample()
for log2_chroma*.
 2016-09-02 13:08:21 +02:00
Davinder Singh 11a631d4a7 avfilter/vf_minterpolate: do not right shift negative numbers 
It was source of crashes. Use division instead.

Original patch by author. Log message by comitter.
 2016-08-29 17:32:47 +02:00
Davinder Singh b07d4a0fb2 avfilter: added motion estimation and interpolation filters 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2016-08-26 11:17:51 +02:00