MJPEG and Progressive scan

[marcorocchini]

Hi anyone,

I would like transcode from .mxf to .mjpg with FFMPEG but my NLE (In Sync Speed Razor 5.51) don't read the output files that I generate with ffmpeg.

I have upload my input files C0020.MXF on my dropbox: you can download it if you go on www.dropbox.com ad logon into it with this credential:

user: mrocchini@email.it
pass: centrale

My source is C0020.MXF and my reference output il C0020.AVI

I can not directly import .mxf files in Speed Razor, but I can use .avi/mjpg file e.g. the C0020.AVI I have in the dropbox.

This C0020.MXF is generated exporting C0020.mxf from another NLE (In Sync Blade 2.2) but the same results I can achieve using Virtualdub (I have previously installed the PIC Mjpeg compressor/decompressor in my pc).

I prefer use FFMPEG because I need of a -vtag MJPG [virtualdub generate as video tag "mjpg" but Speed Razor can use only "MJPG" and not "mjpg", but when I modify the output file .avi of virtualdub "mjpg"--->"MJPG" with a HEX editor the file is correctly readable by Speed Razor, so I can prefer use ffmpeg. There is another reason for using ffmpeg: ffmpeg export the same timecode to the .mjpg/avi file of the souce, Virtualdub loss the timecode metadata tag]

For trascoding C0020.mxf I use:

ffmpeg -y -i c0020.mxf -vcodec mjpeg -pix_fmt yuvj422p -vtag MJPG -an output.avi

but output.avi don't work, the NLE import the file but don't play it.

I would like to achieve a c0020.avi with ffmpeg that have same caratherics of the one I have in the dropbox, this is ok, I can play this file on the NLE:

General
Complete name : D:\c20\c0020.avi
Format : AVI
Format/Info : Audio Video Interleave
File size : 38.2 MiB
Duration : 6s 0ms
Overall bit rate : 53.4 Mbps

Video
ID : 0
Format : JPEG
Codec ID : MJPG
Duration : 6s 0ms
Bit rate : 53.3 Mbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate : 25.000 fps
Color space : YUV
Chroma subsampling : 4:2:2
Bit depth : 8 bits
Scan type : Progressive
Compression mode : Lossy
Bits/(Pixel*Frame) : 1.028
Stream size : 38.1 MiB (100%)

The output.avi of ffmpeg, the wrog file it wont'play in NLE, is this:

General
Complete name : D:\output.avi
Format : AVI
Format/Info : Audio Video Interleave
File size : 106 MiB
Duration : 36s 600ms
Overall bit rate : 24.4 Mbps
Writing application : Lavf55.18.102

Video
ID : 0
Format : JPEG
Codec ID : MJPG
Duration : 36s 600ms
Bit rate : 24.4 Mbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate : 25.000 fps
Color space : YUV
Bit depth : 8 bits
Compression mode : Lossy
Bits/(Pixel*Frame) : 0.470
Stream size : 106 MiB (100%)

The source file [c0020.mxf] is this:

General
Complete name : d:\C0020.mxf
Format : MXF
Commercial name : XDCAM HD422
Format profile : OP-1a
Format settings : Closed / Complete
File size : 263 MiB
Duration : 36s 600ms
Overall bit rate : 60.3 Mbps
Encoded date : 2013-05-24 22:12:18.000
Writing application : SONY Opt 1.22
Writing library : SONY Opt 1.22

Video
ID : 2
Format : MPEG Video
Commercial name : XDCAM HD422
Format version : Version 2
Format profile : 4:2:2@High
Format settings, BVOP : Yes
Format settings, Matrix : Custom
Format settings, GOP : M=3, N=12
Format_Settings_Wrapping : Frame
Duration : 36s 600ms
Bit rate : 50.0 Mbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate : 25.000 fps
Standard : Component
Color space : YUV
Chroma subsampling : 4:2:2
Bit depth : 8 bits
Scan type : Interlaced
Scan order : Top Field First
Compression mode : Lossy
Bits/(Pixel*Frame) : 0.965
Stream size : 218 MiB (83%)
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709

Audio #1
ID : 3
Format : PCM
Format settings, Endianness : Little
Format_Settings_Wrapping : Frame (AES)
Duration : 36s 600ms
Bit rate mode : Constant
Bit rate : 1 152 Kbps
Channel(s) : 1 channel
Sampling rate : 48.0 KHz
Bit depth : 24 bits
Stream size : 5.03 MiB (2%)

Audio #2
ID : 4
Format : PCM
Format settings, Endianness : Little
Format_Settings_Wrapping : Frame (AES)
Duration : 36s 600ms
Bit rate mode : Constant
Bit rate : 1 152 Kbps
Channel(s) : 1 channel
Sampling rate : 48.0 KHz
Bit depth : 24 bits
Stream size : 5.03 MiB (2%)

Audio #3
ID : 5
Format : PCM
Format settings, Endianness : Little
Format_Settings_Wrapping : Frame (AES)
Duration : 36s 600ms
Bit rate mode : Constant
Bit rate : 1 152 Kbps
Channel(s) : 1 channel
Sampling rate : 48.0 KHz
Bit depth : 24 bits
Stream size : 5.03 MiB (2%)

Audio #4
ID : 6
Format : PCM
Format settings, Endianness : Little
Format_Settings_Wrapping : Frame (AES)
Duration : 36s 600ms
Bit rate mode : Constant
Bit rate : 1 152 Kbps
Channel(s) : 1 channel
Sampling rate : 48.0 KHz
Bit depth : 24 bits
Stream size : 5.03 MiB (2%)

Audio #5
ID : 7
Format : PCM
Format settings, Endianness : Little
Format_Settings_Wrapping : Frame (AES)
Duration : 36s 600ms
Bit rate mode : Constant
Bit rate : 1 152 Kbps
Channel(s) : 1 channel
Sampling rate : 48.0 KHz
Bit depth : 24 bits
Stream size : 5.03 MiB (2%)

Audio #6
ID : 8
Format : PCM
Format settings, Endianness : Little
Format_Settings_Wrapping : Frame (AES)
Duration : 36s 600ms
Bit rate mode : Constant
Bit rate : 1 152 Kbps
Channel(s) : 1 channel
Sampling rate : 48.0 KHz
Bit depth : 24 bits
Stream size : 5.03 MiB (2%)

Audio #7
ID : 9
Format : PCM
Format settings, Endianness : Little
Format_Settings_Wrapping : Frame (AES)
Duration : 36s 600ms
Bit rate mode : Constant
Bit rate : 1 152 Kbps
Channel(s) : 1 channel
Sampling rate : 48.0 KHz
Bit depth : 24 bits
Stream size : 5.03 MiB (2%)

Audio #8
ID : 10
Format : PCM
Format settings, Endianness : Little
Format_Settings_Wrapping : Frame (AES)
Duration : 36s 600ms
Bit rate mode : Constant
Bit rate : 1 152 Kbps
Channel(s) : 1 channel
Sampling rate : 48.0 KHz
Bit depth : 24 bits
Stream size : 5.03 MiB (2%)

Other #1
ID : 1
Type : Time code
Format : MXF TC
Time code of first frame : 01:34:21:15
Time code settings : Striped

Other #2
Type : Time code
Format : SMPTE TC
Muxing mode : SDTI
Time code of first frame : 01:34:21:15


It seems to me the only difference from c0020.avi (the ok file) and ouput.avi (the wrong) is c0020.avi is "progressive".

Can I achieve the progressive with FFMPEG? thank to all

[jagabo]

I only saw C0020.AVI file at your dropbox page.

[marcorocchini]

oh sorry it's jet in uploading, it need 50 minutes: sorry

[marcorocchini]

Possibly I would like preserve the 4:2:2 subsampling and 50Mbit/s stream. I think the problem is regarding the fielding.

Seems the NLE accept only "NO fielding" as source for .avi/mjpg files.

Another question: can I set the ffmpeg so it generate CBR streams?

[marcorocchini]

file c0020.mxf now present

[jagabo]

I was able to open the video in VirtualDub after a straight remux with ffmpeg:

 ffmpeg -i c0020.mxf -vcodec copy -acodec copy c0020.avi

You'll need ffdshow to decode the video. Enable the VFW "MPEG in AVI" decoder. That will probably work in the software you're using. Here's the first 60 frames or so (the remux got a silent audio track).

[marcorocchini]

My NLE can manage only Mjpeg files. Remux.avi is a mpeg2 and Speed Razor can not manage directly mpeg2 video files: it can do it teorically but the playback is jerky because using VFW codec.
Speed Razor support native Mjpeg and my target is only Mjpeg.

My source = .mxf files [mpeg2 hd 4:2:2] ; my target Mjpeg al least 50 Mbs 4:2:2

using zeranoe version of ffmpeg seems possible achieve directly mpeg2 files:

ffmpeg -i c0020.mxf -vcodec mpeg2video -an output.avi

(in low bitrate mode)

But I need Mjpeg

[jagabo]

Speed Razor... can do it teorically but the playback is jerky because using VFW codec.

You're going to lose quality by reencoding to MJPEG and lose quality again for your final render. You can eliminate the first loss by editing the MPEG 2 video directly.

Do you know how to set the MJPEG quality with ffmpeg? The default is really bad.

[jagabo]

Have you tried encoding with ffmpeg with 4:2:0 chroma instead of 4:2:2? Does your editor accept that?

[marcorocchini]

Is not possibile because it does not support natively Mpeg2. It have a plugin (mjpeg_avi.rzf) that can manage directly only mjpeg format... it's an old but powerful NLE. Unfortunately the software-house (In Sync) manufacturer has closed just before release hd-version.

It have a brother: Blade 2.2 that can import also .mxf and mpeg2 but the external call to vfw files causes many problem of jerky playback and other problems.

Speed Razor 5.51 and Blade 2.2 can only manage directly mjpeg .avi files: I have do a series of test with .mjpeg using matrox .mjpeg and PIC .mjpeg video codec: at the best results the quality is 99,9% the original files.

If I transcode a .mxf avi source with the PIC mjpeg I achieve in mjpeg practically the same quality even if the disk size is 200% greater the source.

By many and many tests I conducted with broadcast monitor I can say that the loss of quality is absolutely not visible to the naked eye: using PIC mjpeg if the quality ratio is 19 the quality of transcoded video is 99,9% the same.

I can tell you that in this case the loss of quality is absolutely non-existent.

If you do not believe try to use the pic exactly as I have configured and compares the source and destination in a HD broadcast monitor: without knowing during the switching you will not be able to distinguish the origin and destination.

My problem is this: transcoding in .mjpeg I used blade or virtualdub but for practicity I need to use a command line system.

My question is: I need use FFMPEG to achieve the same results (c0020.avi) of virtualdub. When I open a file generated with virtualdub is all ok, but my nle don't open files mjpeg generated in FFMPEG, maybe because it don't do the progressive

[marcorocchini]

Have you tried looking for an MJPEG decoder that accepts "mjpg" in addition to "MJPG" as the fourcc? ffdshow's MJPEG decoder works with both. Or is your software limited to using its own internal MJPEG decoder?

my problem is encoding with a "MJPG" tag: ffmpeg do it, virtualdub not (virtualdub write mjpg and not MJPG)

my problem is in encoding, not in decoding

My NLE (speed razor 5.51) have and internal decoder, and can manage mjpeg file by a specific plugin (mjpeg_avi.rzf) so this allow to decode and internally-manage directly the video files, this allow to avoid the use of VFW-codecs and and all the problems that this implies. Unfortunately it can manage only mjpeg files.

[marcorocchini]

Have you tried encoding with ffmpeg with 4:2:0 chroma instead of 4:2:2? Does your editor accept that?

yes: it don't accept not event 4:2:0

however, even if the nle would accept 4:2:0 .. I would never use 4:2:0 quality reduction

[El Heggunte]

Probably ffmpeg writes "something" in the AVI headers that confuses your NLE.

And I don't think this "feature" of ffmpeg will be fixed or removed anytime soon.

[marcorocchini]

You're going to lose quality by reencoding to MJPEG and lose quality again for your final render

tHE source file is on my dropbox [C0020.mxf]

here I upload the first 30frames reencoding in Matrox Mjpeg @ 10 MB/s (if you need matrox mjpeg codec please go in my dropbox, I have upload the codec in pub folder)

I have used Virtualdub to encode, and the Mainconcept .mxf reader to load the C0020.mxf in virtualdub

I found the 2 videos are indistinguishable

[marcorocchini]

Probably ffmpeg writes "something" in the AVI headers that confuses your NLE.

And I don't think this "feature" of ffmpeg will be fixed or removed anytime soon.

yes it's strange, seems the ffmpeg don't do a type of file clearly interalced or progressive: virtualdub produce mjpeg file clearly interlace (in mediainfo) and blade produce mjpeg file clearly progressive (in mediainfo) and both are playable in the nle speed razor.

Using FFMPEG, mediainfo don't specify interlaced or progressive... and the speed razor can not read nothing of the ffmpeg output

[marcorocchini]

excluding the problem on video, using ffmpeg I have 2 important advantages:

1) the file output have the correct header ("MJPG" and not "mjpg")

2) I can trasfer timecode in the ouput

... but the video part are not readable from the NLE

Using Virtualdub, the video part is readable... but the header is not correct (I have to use an Hex editor and manually set "MJPG" in place of "mjpg") and I loose timecode

It's very strange because ffmpeg is a good tool

... ... Is there a way to use VFW codec by ffmpeg?

[jagabo]

Have you tried remuxing the output from ffmpeg with VirtualDub (Direct Stream Copy mode)? At least as a test. To see if it's something about the way the file is muxed. VirtualDub includes an ODML header and arranges the chunks differently.

Or what about using -pix_fmt yuyv422 in ffmpeg?

[marcorocchini]

I have try this:

ffmpeg -y -i c0020.mxf -vcodec mjpeg -pix_fmt yuvj422p -b:v 50M -an -vtag MJPG testout.avi

Next passage:

load the testout.avi (in my system the default mjpeg codec is "pic mjpeg codec v.4"), set No audio, direct stream copy and savi to avi testout2.avi

import testout2.avi in Speed Razor: not readable

Header of testout2.avi seems ok but file not readable

[El Heggunte]

... ... Is there a way to use VFW codec by ffmpeg?

Very-Good question --- ffmpeg can't use VfW, BUT Mencoder can:

http://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-video-for-windows.html

NOTICE: Don't take that table of "supported codecs" too seriously, up-to-date documentation has never been the strong point of the Mplayer project

It's very strange because ffmpeg is a good tool

Not good enough, sadly. For example, the scene-change detection algorithm CANNOT be used with external libraries (xvid, x264). Besides, the use of B-frames with the libav codecs forces the use of open GOPs, unless you disable the scene-change detection (and therefore, disable the adaptive GOP size as well). Only the Devil knows why.

[jagabo]

I have try this:

ffmpeg -y -i c0020.mxf -vcodec mjpeg -pix_fmt yuvj422p -b:v 50M -an -vtag MJPG testout.avi

The "-b:v 50M" helps the image quality a lot.

load the testout.avi (in my system the default mjpeg codec is "pic mjpeg codec v.4"), set No audio, direct stream copy and savi to avi testout2.avi

Did VirtualDub display the video properly? What decoder did it use? You can use File -> File Information -> Decompressor to see what decoder was used.

Did you try using -pix_fmt yuyv422 in the ffmpeg command. I'm thinking whatever decoder you're using doesnt like planar 422.

[El Heggunte]

MediaInfo thinks it works

Format                                   : AVI
Format/Info                              : Audio Video Interleave
File size                                : 15.8 MiB
Duration                                 : 2s 833ms
Overall bit rate                         : 46.8 Mbps
Writing application                      : MEncoder Redxii-SVN-r36207-4.6.3
Writing library                          : MPlayer

Video
ID                                       : 0
Format                                   : JPEG
Codec ID                                 : MJPG
Duration                                 : 2s 833ms
Bit rate                                 : 46.8 Mbps
Width                                    : 640 pixels
Height                                   : 480 pixels
Display aspect ratio                     : 4:3
Frame rate                               : 30.000 fps
Color space                              : YUV
Chroma subsampling                       : 4:2:2
Bit depth                                : 8 bits
Scan type                                : Progressive
Compression mode                         : Lossy
Bits/(Pixel*Frame)                       : 5.075
Stream size                              : 15.8 MiB (100%)

[jagabo]

The "p" in "-pix_fmt yuvj422p" stands for planar, not progressive. Ie, the video is stored as YYYYYYYY... UUUU... VVVV..., not YUYVYUYVYUYVYUYV...

Since each scan line of YUV 4:2:2 video has its own chroma the video is progressive if the 4:2:2 source was progressive, interlaced if the 4:2:2 source was interlaced, regardless of what's flagged at the container level.

[El Heggunte]

^ Well-spotted, jagabo

So I had to give a try to yuv2lav (from the MJPEGtools package),
and probably it'll be as good ( or bad ^.^;; ) as Mencoder for the OP

Format                                   : AVI
Format/Info                              : Audio Video Interleave
File size                                : 13.5 MiB
Duration                                 : 2s 833ms
Overall bit rate                         : 39.9 Mbps
Writing application                      : mjpegtools-2.0.0

Video
ID                                       : 0
Format                                   : JPEG
Codec ID                                 : MJPG
Duration                                 : 2s 833ms
Bit rate                                 : 39.8 Mbps
Width                                    : 640 pixels
Height                                   : 480 pixels
Display aspect ratio                     : 4:3
Frame rate                               : 30.000 fps
Color space                              : YUV

Chroma subsampling                       : 4:2:2

Bit depth                                : 8 bits
Compression mode                         : Lossy
Bits/(Pixel*Frame)                       : 4.323
Stream size                              : 13.5 MiB (100%)

EDIT: No, the result has the color channels swapped

[marcorocchini]

but with the mencoder have you try my C0020.MXF as source?

[El Heggunte]

but with the mencoder have you try my C0020.MXF as source?

Yes, Mencoder's mxf demultiplexer is working as expected.

Not sure what will be the response from your obsolete NLE, though

[Cauptain]

Hi anyone,

I have upload my input files C0020.MXF on my dropbox: you can download it if you go on www.dropbox.com ad logon into it with this credential:

user: mrocchini@email.it
pass: xxxxxxxx

Hi marcorocchini,

Just remove your e-mail/password and only "share"(10 seconds action) your files using Dropbox. Too easy man.




Claudio

[marcorocchini]

but with the mencoder have you try my C0020.MXF as source?

Yes, Mencoder's mxf demultiplexer is working as expected.

Not sure what will be the response from your obsolete NLE, though

oh thanks, so the command line of mencoder is?

[El Heggunte]

oh thanks, so the command line of mencoder is?

http://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-video-for-windows.html

[marcorocchini]

I tried to change strategy: in the project setting of the Speed Razor ha have set the using of external-codec call.
So this way the Speed Razor use PIC mjpeg codec for render parts, transitions ecc.. but I can not set the Speed Razor for use a Mpeg2 codec because playback is wrong, I can use only mjpeg files.

Using:

ffmbc -y -i c0020.mxf -vcodec mjpeg -pix_fmt yuvj422p -vf colormatrix=bt709:bt601 -sameq -vtag MJPG -an testout.avi

it all ok, Speed Razor import clip and work properly when the Speed Razor use the PIC mjpeg external codec.

Using:

ffmpeg -y -i c0020.mxf -vcodec mjpeg -pix_fmt yuv422p -vf colormatrix=bt709:bt601 -q:v 0 -vtag MJPG -an testout4.avi

don't import correctly.


And yet the two compilers semms are virtually identical but using ffmbc testout.avi is playable, with FFMPEG no.

So your question is: why you don't use FFMBC? because FFMBC don't copy the timecode metadata tag.


D:\BUDA\MXForg>ffmbc -y -i c0020.mxf -vcodec mjpeg -pix_fmt yuvj422p -vf colorma
trix=bt709:bt601 -intra -sameq -vtag MJPG -an testout.avi
FFmbc version 0.7-rc8
Copyright (c) 2008-2013 Baptiste Coudurier and the FFmpeg developers
Input #0, mxf, from 'c0020.mxf':
Metadata:
operational_pattern: Op1a
system_timecode: 01:34:21:15
timecode: 01:34:21:15
Duration: 00:00:36.60, bitrate: 60256 kb/s
Stream #0.0(und): Video: mpeg2video (4:2:2), yuv422p, 1920x1080i tff [PAR 1:
1 DAR 16:9], 50000 kb/s, 25.00 fps
Stream #0.1(und): Audio: pcm_s24le, 48000 Hz, 1 channels, s32, 1152 kb/s
Stream #0.2(und): Audio: pcm_s24le, 48000 Hz, 1 channels, s32, 1152 kb/s
Stream #0.3(und): Audio: pcm_s24le, 48000 Hz, 1 channels, s32, 1152 kb/s
Stream #0.4(und): Audio: pcm_s24le, 48000 Hz, 1 channels, s32, 1152 kb/s
Stream #0.5(und): Audio: pcm_s24le, 48000 Hz, 1 channels, s32, 1152 kb/s
Stream #0.6(und): Audio: pcm_s24le, 48000 Hz, 1 channels, s32, 1152 kb/s
Stream #0.7(und): Audio: pcm_s24le, 48000 Hz, 1 channels, s32, 1152 kb/s
Stream #0.8(und): Audio: pcm_s24le, 48000 Hz, 1 channels, s32, 1152 kb/s
[colormatrix @ 01cd94c0] bt709 -> bt601
[scale @ 01e9fea0] w:1920 h:1080 fmt:yuv422p -> w:1920 h:1080 fmt:yuvj422p flags
:0x4 il:0
Output #0, avi, to 'testout.avi':
Metadata:
ISFT: FFmbc 0.7
Stream #0.0(und): Video: mjpeg, yuvj422p, 1920x1080p [PAR 1:1 DAR 16:9], 200
kb/s, 25.00 fps
Stream mapping:
Stream #0.0 -> #0.0
Press [q] to stop, [?] for help
frame= 3 fps= 12 q=0.0 size= 1726kB time=00:00:00.12 bitrate=117804.0kbits

...

frame= 915 fps= 12 q=0.0 Lsize= 556566kB time=00:00:36.60 bitrate=124573.6kbit
s/s
video:556539kB audio:0kB global headers:0kB muxing overhead 0.004930%






D:\>ffmpeg -y -i c0020.mxf -vcodec mjpeg -pix_fmt yuv422p -vf colormatrix=bt709:
bt601 -intra -q:v 0 -vtag MJPG -an testout4.avi
ffmpeg version N-54362-ge0be3cb Copyright (c) 2000-2013 the FFmpeg developers
built on Jul 2 2013 22:15:59 with gcc 4.7.3 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetyp
e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --ena
ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-l
ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libsp
eex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-libvo-
amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --
enable-libxvid --enable-zlib
libavutil 52. 38.100 / 52. 38.100
libavcodec 55. 18.100 / 55. 18.100
libavformat 55. 11.100 / 55. 11.100
libavdevice 55. 2.100 / 55. 2.100
libavfilter 3. 77.101 / 3. 77.101
libswscale 2. 3.100 / 2. 3.100
libswresample 0. 17.102 / 0. 17.102
libpostproc 52. 3.100 / 52. 3.100
Guessed Channel Layout for Input Stream #0.1 : mono
Guessed Channel Layout for Input Stream #0.2 : mono
Guessed Channel Layout for Input Stream #0.3 : mono
Guessed Channel Layout for Input Stream #0.4 : mono
Guessed Channel Layout for Input Stream #0.5 : mono
Guessed Channel Layout for Input Stream #0.6 : mono
Guessed Channel Layout for Input Stream #0.7 : mono
Guessed Channel Layout for Input Stream #0.8 : mono
Input #0, mxf, from 'c0020.mxf':
Metadata:
uid : 41821e00-3664-05c1-0270-08004602023b
generation_uid : 41821e00-3664-05c2-0270-08004602023b
company_name : SONY
product_name : Opt
product_version : 1.22
product_uid : 060e2b34-0401-0103-0e06-012002010300
modification_date: 2013-05-24 22:12:18
timecode : 01:34:21:15
Duration: 00:00:36.60, start: 0.000000, bitrate: 60256 kb/s
Stream #0:0: Video: mpeg2video (4:2:2), yuv422p, 1920x1080 [SAR 1:1 DAR 16:9
], 25 fps, 25 tbr, 25 tbn, 50 tbc
Stream #0:1: Audio: pcm_s24le, 48000 Hz, mono, s32, 1152 kb/s
Stream #0:2: Audio: pcm_s24le, 48000 Hz, mono, s32, 1152 kb/s
Stream #0:3: Audio: pcm_s24le, 48000 Hz, mono, s32, 1152 kb/s
Stream #0:4: Audio: pcm_s24le, 48000 Hz, mono, s32, 1152 kb/s
Stream #0:5: Audio: pcm_s24le, 48000 Hz, mono, s32, 1152 kb/s
Stream #0:6: Audio: pcm_s24le, 48000 Hz, mono, s32, 1152 kb/s
Stream #0:7: Audio: pcm_s24le, 48000 Hz, mono, s32, 1152 kb/s
Stream #0:8: Audio: pcm_s24le, 48000 Hz, mono, s32, 1152 kb/s
Incompatible pixel format 'yuv422p' for codec 'mjpeg', auto-selecting format 'yu
vj422p'
Output #0, avi, to 'testout4.avi':
Metadata:
uid : 41821e00-3664-05c1-0270-08004602023b
generation_uid : 41821e00-3664-05c2-0270-08004602023b
company_name : SONY
product_name : Opt
product_version : 1.22
product_uid : 060e2b34-0401-0103-0e06-012002010300
modification_date: 2013-05-24 22:12:18
ISMP : 01:34:21:15
ISFT : Lavf55.11.100
Stream #0:0: Video: mjpeg (MJPG / 0x47504A4D), yuvj422p, 1920x1080 [SAR 1:1
DAR 16:9], q=2-31, 200 kb/s, 25 tbn, 25 tbc
Stream mapping:
Stream #0:0 -> #0:0 (mpeg2video -> mjpeg)
Press [q] to stop, [?] for help
[mpeg2video @ 02a15dc0] warning: first frame is no keyframe
Last message repeated 1 times
frame= 9 fps=0.0 q=0.0 size= 4092kB time=00:00:00.28 bitrate=119725.1kbits

...

frame= 915 fps= 25 q=0.0 Lsize= 555465kB time=00:00:36.60 bitrate=124326.9kbit
s/s
video:555437kB audio:0kB subtitle:0 global headers:0kB muxing overhead 0.004958%

[marcorocchini]

My question is: why with FFMBC I achieve a correct video mjpeg/.avi and with FFMPEG no?