[FFmpeg-trac] #3846(undetermined:new): The output video show a wrong alpha
FFmpeg
trac at avcodec.org
Mon Aug 11 09:21:35 CEST 2014
#3846: The output video show a wrong alpha
-------------------------------------+-------------------------------------
Reporter: Noir89 | Type: defect
Status: new | Priority: normal
Component: | Version: git-
undetermined | master
Keywords: ProRes, | Blocked By:
alpha | Reproduced by developer: 0
Blocking: |
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Summary of the bug:
Converting a TIFF Image (with alpha) to PRORES video pixel format
yuva444p10le,
result a video where the alpha value overall 255 and not the value in
input
picture. After export a single picture from this video alpha values are in
result picture coorrect.
Tested on Windows 8.1 64bit and OS X 10.9 64bit
How to reproduce:
{{{
ffmpeg started on 2014-08-11 at 09:15:53
Report written to "ffmpeg-20140811-091553.log"
Command line:
ffmpeg -report -v 9 -loglevel 99 -i "E:\\zzblock001.tif" -c:v prores_ks
-pix_fmt yuva444p10le -r 25 -y "E:\\out.mov"
ffmpeg version N-65515-g5ec85c9 Copyright (c) 2000-2014 the FFmpeg
developers
built on Aug 10 2014 22:09:42 with gcc 4.8.3 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r
--enable-gnutls --enable-iconv --enable-libass --enable-libbluray
--enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme
--enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
--enable-libopus --enable-librtmp --enable-libschroedinger --enable-
libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-
libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-
libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-
libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-
decklink --enable-zlib
libavutil 54. 1.100 / 54. 1.100
libavcodec 56. 0.100 / 56. 0.100
libavformat 56. 0.100 / 56. 0.100
libavdevice 56. 0.100 / 56. 0.100
libavfilter 5. 0.100 / 5. 0.100
libswscale 3. 0.100 / 3. 0.100
libswresample 1. 0.100 / 1. 0.100
libpostproc 53. 0.100 / 53. 0.100
Splitting the commandline.
Reading option '-report' ... matched as option 'report' (generate a
report) with argument '1'.
Reading option '-v' ... matched as option 'v' (set logging level) with
argument '9'.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging
level) with argument '99'.
Reading option '-i' ... matched as input file with argument
'E:\zzblock001.tif'.
Reading option '-c:v' ... matched as option 'c' (codec name) with argument
'prores_ks'.
Reading option '-pix_fmt' ... matched as option 'pix_fmt' (set pixel
format) with argument 'yuva444p10le'.
Reading option '-r' ... matched as option 'r' (set frame rate (Hz value,
fraction or abbreviation)) with argument '25'.
Reading option '-y' ... matched as option 'y' (overwrite output files)
with argument '1'.
Reading option 'E:\out.mov' ... matched as output file.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option report (generate a report) with argument 1.
Applying option v (set logging level) with argument 9.
Applying option loglevel (set logging level) with argument 99.
Applying option y (overwrite output files) with argument 1.
Successfully parsed a group of options.
Parsing a group of options: input file E:\zzblock001.tif.
Successfully parsed a group of options.
Opening an input file: E:\zzblock001.tif.
[AVIOContext @ 0000000004339240] Statistics: 8303406 bytes read, 0 seeks
[image2 @ 0000000004337e80] Probe buffer size limit of 5000000 bytes
reached
Input #0, image2, from 'E:\zzblock001.tif':
Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
Stream #0:0, 1, 1/25: Video: tiff, rgba, 1920x1080 [SAR 1:1 DAR 16:9],
1/25, 25 tbr, 25 tbn, 25 tbc
Successfully opened the file.
Parsing a group of options: output file E:\out.mov.
Applying option c:v (codec name) with argument prores_ks.
Applying option pix_fmt (set pixel format) with argument yuva444p10le.
Applying option r (set frame rate (Hz value, fraction or abbreviation))
with argument 25.
Successfully parsed a group of options.
Opening an output file: E:\out.mov.
Successfully opened the file.
detected 8 logical cores
[graph 0 input from stream 0:0 @ 000000000002e460] Setting 'video_size' to
value '1920x1080'
[graph 0 input from stream 0:0 @ 000000000002e460] Setting 'pix_fmt' to
value '28'
[graph 0 input from stream 0:0 @ 000000000002e460] Setting 'time_base' to
value '1/25'
[graph 0 input from stream 0:0 @ 000000000002e460] Setting 'pixel_aspect'
to value '1/1'
[graph 0 input from stream 0:0 @ 000000000002e460] Setting 'sws_param' to
value 'flags=2'
[graph 0 input from stream 0:0 @ 000000000002e460] Setting 'frame_rate' to
value '25/1'
[graph 0 input from stream 0:0 @ 000000000002e460] w:1920 h:1080
pixfmt:rgba tb:1/25 fr:25/1 sar:1/1 sws_param:flags=2
[format @ 000000000435c800] compat: called with args=[yuva444p10le]
[format @ 000000000435c800] Setting 'pix_fmts' to value 'yuva444p10le'
[auto-inserted scaler 0 @ 000000000435e0c0] Setting 'flags' to value '0x4'
[auto-inserted scaler 0 @ 000000000435e0c0] w:iw h:ih flags:'0x4' interl:0
[format @ 000000000435c800] auto-inserting filter 'auto-inserted scaler 0'
between the filter 'Parsed_null_0' and the filter 'format'
[AVFilterGraph @ 000000000433cf80] query_formats: 4 queried, 2 merged, 1
already done, 0 delayed
[auto-inserted scaler 0 @ 000000000435e0c0] w:1920 h:1080 fmt:rgba sar:1/1
-> w:1920 h:1080 fmt:yuva444p10le sar:1/1 flags:0x4
[prores_ks @ 0000000000029280] profile 2, 1020 slices, interlacing: no,
632 bits per MB
[prores_ks @ 0000000000029280] frame size upper bound: 655040
Output #0, mov, to 'E:\out.mov':
Metadata:
encoder : Lavf56.0.100
Stream #0:0, 0, 1/12800: Video: prores (prores_ks) (apcn /
0x6E637061), yuva444p10le, 1920x1080 [SAR 1:1 DAR 16:9], 1/25, q=2-31, 200
kb/s, 25 fps, 12800 tbn, 25 tbc
Metadata:
encoder : Lavc56.0.100 prores_ks
Stream mapping:
Stream #0:0 -> #0:0 (tiff (native) -> prores (prores_ks))
Press [q] to stop, [?] for help
[output stream 0:0 @ 000000000433f920] EOF on sink link output stream
0:0:default.
No more output streams to write to, finishing.
frame= 1 fps=0.0 q=0.0 Lsize= 69kB time=00:00:00.04
bitrate=14157.8kbits/s
video:68kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 1.034768%
Input file #0 (E:\zzblock001.tif):
Input stream #0:0 (video): 1 packets read (8303406 bytes); 1 frames
decoded;
Total: 1 packets (8303406 bytes) demuxed
Output file #0 (E:\out.mov):
Output stream #0:0 (video): 1 frames encoded; 1 packets muxed (70064
bytes);
Total: 1 packets (70064 bytes) muxed
2 frames successfully decoded, 0 decoding errors
[AVIOContext @ 0000000004339e00] Statistics: 30 seeks, 27 writeouts
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/3846>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
More information about the FFmpeg-trac
mailing list