Opened 8 years ago

Last modified 7 years ago

#1280 closed defect

Loss of alpha with yadif filter (bgra->yuv420 conv inserted instead of bgra->yuva420p) — at Initial Version

Reported by: ronag Owned by:
Priority: normal Component: avfilter
Version: git-master Keywords: alpha
Cc: Blocked By:
Blocking: Reproduced by developer: yes
Analyzed by developer: no

Description

M:\_media>ffmpeg -i wipe.mov -vf yadif=1:-1 wipe2.mov
ffmpeg version N-40301-gc1fe2db Copyright (c) 2000-2012 the FFmpeg developers

built on May 3 2012 11:44:06 with gcc 4.6.3
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-ru

ntime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libass

--enable-libcelt --enable-libopencore-amrnb --enable-libopencore-amrwb --enable

-libfreetype --enable-libgsm --enable-libmp3lame --enable-libnut --enable-libope
njpeg --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libth
eora --enable-libutvideo --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-
libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --e
nable-zlib

libavutil 51. 49.100 / 51. 49.100
libavcodec 54. 17.101 / 54. 17.101
libavformat 54. 3.100 / 54. 3.100
libavdevice 53. 4.100 / 53. 4.100
libavfilter 2. 72.104 / 2. 72.104
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 11.100 / 0. 11.100
libpostproc 52. 0.100 / 52. 0.100

Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'wipe.mov':

Metadata:

major_brand : qt
minor_version : 537199360
compatible_brands: qt
creation_time : 2010-10-19 15:24:10

Duration: 00:00:01.24, start: 0.000000, bitrate: 8185 kb/s

Stream #0:0(eng): Video: qtrle (rle / 0x20656C72), bgra, 720x576, 6485 kb/s

, SAR 512:351 DAR 640:351, 25 fps, 25 tbr, 25 tbn, 25 tbc

Metadata:

creation_time : 2010-10-19 15:24:10
handler_name : Apples aliasdatahanterare

Stream #0:1(eng): Audio: pcm_s16be (twos / 0x736F7774), 48000 Hz, 2 channels

, s16, 1536 kb/s

Metadata:

creation_time : 2010-10-19 15:24:10
handler_name : Apples aliasdatahanterare

[buffer @ 0000000001e7ae70] w:720 h:576 pixfmt:bgra tb:1/1000000 sar:512/351 sws
_param:flags=2
[yadif @ 0000000001e7af30] mode:1 parity:-1 auto_enable:0
[yadif @ 0000000001e7af30] auto-inserting filter 'auto-inserted scale 0' between

the filter 'src' and the filter 'Parsed_yadif_0'

[scale @ 0000000001e7af90] w:720 h:576 fmt:bgra sar:512/351 -> w:720 h:576 fmt:y
uv420p sar:512/351 flags:0x4
[libx264 @ 0000000001ec9d20] using SAR=512/351
[libx264 @ 0000000001ec9d20] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShu?
ffle SSE4.2 AVX
[libx264 @ 0000000001ec9d20] profile High, level 3.0
[libx264 @ 0000000001ec9d20] 264 - core 120 r2164 da19765 - H.264/MPEG-4 AVC cod
ec - Copyleft 2003-2012 - http://www.videolan.org/x264.html - options: cabac=1 r
ef=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed
_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pski
p=1 chroma_qp_offset=-2 threads=12 sliced_threads=0 nr=0 decimate=1 interlaced=0

bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 di

rect=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra
_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69
qpstep=4 ip_ratio=1.40 aq=1:1.00
Guessed Channel Layout for Input Stream #0.1 : stereo
strptime() unavailable on this system, cannot convert the date string.
Output #0, mov, to 'wipe2.mov':

Metadata:

major_brand : qt
minor_version : 537199360
compatible_brands: qt
creation_time : 2010-10-19 15:24:10
encoder : Lavf54.3.100
Stream #0:0(eng): Video: h264 (avc1 / 0x31637661), yuv420p, 720x576 [SAR 512

:351 DAR 640:351], q=-1--1, 25 tbn, 25 tbc

Metadata:

creation_time : 2010-10-19 15:24:10
handler_name : Apples aliasdatahanterare

Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, s16, 128

kb/s

Metadata:

creation_time : 2010-10-19 15:24:10
handler_name : Apples aliasdatahanterare

Stream mapping:

Stream #0:0 -> #0:0 (qtrle -> libx264)
Stream #0:1 -> #0:1 (pcm_s16be -> libvo_aacenc)

Change History (0)

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