Re: [FFmpeg-user] V 410 weird colors

[Carl Eugen Hoyos]

edouard chalaron  xtra.co.nz> writes:

> I am exporting from Cinelerra to an YCbCr 10 bits, but get 
> some weird colors

Please provide a sample file.

> For info FFprobe is giving me 

Instead of a short excerpt (that unfortunately does not 
help), please provide the complete, uncut console output 
of "ffmpeg -i yourfile".

Carl Eugen

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[FFmpeg-user] V 410 weird colors

[edouard chalaron]

Hi

I am exporting from Cinelerra to an YCbCr 10 bits, but get some weird
colors, I do suspect a swap between U 
as I am probably not being the first one with this sort of issue, can
someone let me know how to (if it possible) swap back U & V

For info FFprobe is giving me 
Stream #0:0(eng): Video: v410 (v410 / 0x30313476), yuv444p10le,
1440x1080, 1194393 kb/s, 24 fps, 24 tbr, 600 tbn, 600 tbc (default)

Many thanks
Ed
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Re: [FFmpeg-user] Decklink with ffmpeg audio desync

[Marton Balint]

On Mon, 16 May 2016, Dpto. Datos Television Costa Blanca wrote:



El 14/05/2016 a las 2:44, Marton Balint escribió:

I've removed -re from the command, but if that doesnt help, how can I
fix the desync? I have no way of "not having" the NO INPUT SIGNAL ->
INPUT SIGNAL DETECTED problem.
Also, when the signal interrupts I see in the stream the colour bars. Do
they come from ffmpeg or from the decklink card?

Bars are coming from ffmpeg, when no input is detected. Apparently
your inputs are not synchornized... Can you try to feed synchronized
signal to ffmpeg to rule out this, as a probable source of A-V desync?
The quick answer is no, I cant feed with sync. One of the sources is a 
complex PC VGA to S-VIDEO to SDI (Yes, 3 converters, dont ask) and they 
dont have sync in/out.


We have a blackmagic SDI to Analog A/V that works perfectly (Never get 
desync), but with the quality loss of the Analog A/V so is a discarded 
solution.


While Im looking on how to sync the inputs, is there any other way to 
fix this? Maybe telling ffmpeg to ignore any time code and just encode 
whatever get in?


The problem may well be that when the decklink card loses input, it 
provides video frames only but no audio. I am afraid you have to dig into 
the code, to figure out what is really going on. You can try to modify it 
so it only adds a video frame to its packet queue if audioFrame is not 
null.


You may also try using newer decklink drivers from blackmagic...

Regards,
Marton
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Re: [FFmpeg-user] drawtext 4:3 vs 16:9

[Cley Faye]

2016-05-14 22:52 GMT+02:00 naser sonbaty :

> I need help with filter_complex and drawtext.
> drawtext on aspect 4:3 are correct but drawtext on aspect 16:9 are
> stretched.
>

​I've tried the drawtext filter with both 4/3 and 16/9, and in both case
the text was the same (pixel perfect even). No stretch issue.

It seems that in both your command, the video itself have the same
resolution (720x576); only the SAR and DAR change. My understanding on it
is that the DAR is only used for playback, but the SAR is the "real"
picture. In any case ffmpeg will write the same picture of text on both,
but the video player will stretch the input video to fit either 4/3 or
16/9, including the now hard text.

If you need to add text to a video with SAR/DAR that won't match, you have
to do it in a way so that the "stretched" output will look normal.
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Re: [FFmpeg-user] nvenc ffmpeg

[Cley Faye]

2016-05-16 2:06 GMT+02:00 gofrane :

> I use Nvidea GeForce GT 610 and I think I have  the  recent drivers
> installed ( else which is the recent version )
>

​It doesn't matter which driver version you got; the hardware does NOT seem
to support nvenc. If you want nvenc to work, you'll have to update the
hardware.

According to the linked articles, the oldest card that have the
capabilities to support nvenc would be a GT630, having a Kepler chip (but
don't quote me on that and do your research if you intend to buy hardware).
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Re: [FFmpeg-user] Prepend a single frame to a MP4 file

[Cley Faye]

2016-05-15 22:36 GMT+02:00 Virgil Stokes :

> I have created an image file (testImage.png) from which I would like to
> make a 5 second MP4 file. Then
> concatenate (prepend) this 5 second video to the test.mp4 file (as defined
> above). How can this be done in ffmpeg? Note, I am using:
>

​My approach with that would be to create a 5 second video from the image
(using something like "ffmpeg -loop 1 -framerate 29.97 -i  -c:v h264
-pix_fmt yuv420p out.mp4" then concatenate them using the concat input.
Assuming matching codecs and resolution, this would work well without
having to transcode the whole video. You might also need to add an empty
audio track to the 5s segment beforehand though.
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Re: [FFmpeg-user] Prepend a single frame to a MP4 file

[Virgil Stokes]

Here is my corrected question:

I have a YouTube MP4 video (test.mp4):

Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test.mp4':
  Metadata:
major_brand : mp42
minor_version   : 0
compatible_brands: isommp42
creation_time   : 2015-10-28 06:13:56
  Duration: 00:01:35.64, start: 0.00, bitrate: 1370 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720
[SAR 1:1 DAR 16:9], 1176 kb/s, 29.97 fps, 29.97 tbr, 30k tbn (default)
Metadata:
  handler_name: VideoHandler
Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, flt
p, 192 kb/s (default)
Metadata:
  creation_time   : 2015-10-28 06:13:56
  handler_name: IsoMedia File Produced by Google, 5-11-2011

I have created an image file (testImage.png) from which I would like to make a 
5 second MP4 file. Then
concatenate (prepend) this 5 second video to the test.mp4 file (as defined 
above). How can this be done in ffmpeg? Note, I am using:

ffmpeg version N-79947-gcd244fa Copyright (c) 2000-2016 the FFmpeg developers
built with gcc 5.3.0 (GCC)

Sorry for the previous poorly formulated email :-(
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Re: [FFmpeg-user] Prepend a single frame to a MP4 file

[Virgil Stokes]

Ok Moritz,
How can I add a subtitle to only the first frame?

From: ffmpeg-user [ffmpeg-user-boun...@ffmpeg.org] on behalf of Moritz Barsnick 
[barsn...@gmx.net]
Sent: Sunday, May 15, 2016 19:02
To: FFmpeg user discussions
Subject: Re: [FFmpeg-user] Prepend a single frame to a MP4 file

On Sun, May 15, 2016 at 17:07:20 +0200, Virgil Stokes wrote:
> How can one prepend a single frame to an existing MP4 file downloaded from
> YouTube? The purpose of this new "first frame" is to add some identification
> information (text) to the MP4.

I don't like doubting people's goals, BUT:
A single frame wouldn't be very visible, would it? Since you would need
to use some form of concatenation (that's the key word to search for),
you would need to reencode the whole video just for the sake of the one
extra frame.

Perhaps adding metadata or subtitles would be a better alternative for
you? Both can be added without reencoding the video.

Cheers,
Moritz
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Re: [FFmpeg-user] drawtext 4:3 vs 16:9

[Kevin Wells]

> Date: Sat, 14 May 2016 22:52:29 +0200
> From: naser.sonb...@gmail.com
> To: ffmpeg-user@ffmpeg.org
> Subject: [FFmpeg-user] drawtext 4:3 vs 16:9
> 
> Hi,
> 
> I need help with filter_complex and drawtext.
> drawtext on aspect 4:3 are correct but drawtext on aspect 16:9 are
> stretched.
> 
> thx for help ...
> 
> ffmpeg -i C:\ffmpeg\test-4.3.mp4 -filter_complex
> "drawtext=fontfile=/Windows/Fonts/arial.ttf:text='0123456789':fontsize=20:fontcolor=white:x=10:y=10"
> -aspect 4/3 -map 0 -map -0:d -vcodec libx264 -acodec aac -y
> C:\ffmpeg\test-4.3-text.mp4
> ffmpeg version N-79947-gcd244fa Copyright (c) 2000-2016 the FFmpeg
> developers
>   built with gcc 5.3.0 (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-libmfx
> --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
> --enable-libopenjpeg --enable-libopus --enable-librtmp
> --enable-libschroedinger --enable-libsnappy --enable-libsoxr
> --enable-libspeex --enable-libtheora --enable-libtwolame
> --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis
> --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264
> --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg
> --enable-lzma --enable-decklink --enable-zlib
>   libavutil  55. 24.100 / 55. 24.100
>   libavcodec 57. 41.102 / 57. 41.102
>   libavformat57. 36.100 / 57. 36.100
>   libavdevice57.  0.101 / 57.  0.101
>   libavfilter 6. 45.100 /  6. 45.100
>   libswscale  4.  1.100 /  4.  1.100
>   libswresample   2.  0.101 /  2.  0.101
>   libpostproc54.  0.100 / 54.  0.100
> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\ffmpeg\test-4.3.mp4':
>   Metadata:
> major_brand : isom
> minor_version   : 512
> compatible_brands: isomiso2avc1mp41
> encoder : Lavf57.36.100
>   Duration: 00:01:00.02, start: 0.00, bitrate: 1324 kb/s
> Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p,
> 720x576 [SAR 16:15 DAR 4:3], 1190 kb/s, 25 fps, 25 tbr, 12800 tbn (default)
> Metadata:
>   handler_name: VideoHandler
> Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, 4.0,
> fltp, 128 kb/s (default)
> Metadata:
>   handler_name: SoundHandler
> [libx264 @ 0255ac60] using SAR=16/15
> [libx264 @ 0255ac60] using cpu capabilities: MMX2 SSE2Fast SSSE3
> SSE4.2
> [libx264 @ 0255ac60] profile High, level 3.0
> [libx264 @ 0255ac60] 264 - core 148 r2694 3b70645 - H.264/MPEG-4
> AVC codec - Copyleft 2003-2016 - http://www.videolan.org/x264.html -
> options: cabac=1 ref=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_pskip=1 chroma_qp_offset=-2 threads=6
> lookahead_threads=1 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 direct=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
> [mp4 @ 02556e20] Using AVStream.codec to pass codec parameters to
> muxers is deprecated, use AVStream.codecpar instead.
> Last message repeated 1 times
> Output #0, mp4, to 'C:\ffmpeg\test-4.3-text.mp4':
>   Metadata:
> major_brand : isom
> minor_version   : 512
> compatible_brands: isomiso2avc1mp41
> encoder : Lavf57.36.100
> Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv420p, 720x576
> [SAR 16:15 DAR 4:3], q=2-31, 25 fps, 12800 tbn (default)
> Metadata:
>   encoder : Lavc57.41.102 libx264
> Side data:
>   cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
> Stream #0:1(und): Audio: aac (LC) ([64][0][0][0] / 0x0040), 48000 Hz,
> 4.0, fltp, 266 kb/s (default)
> Metadata:
>   handler_name: SoundHandler
>   encoder : Lavc57.41.102 aac
> Stream mapping:
>   Stream #0:0 (h264) -> drawtext (graph 0)
>   drawtext (graph 0) -> Stream #0:0 (libx264)
>   Stream #0:1 -> #0:1 (aac (native) -> aac (native))
> Press [q] to stop, [?] for help
> frame= 1500 fps= 15 q=-1.0 Lsize=   10495kB time=00:01:00.01
> bitrate=1432.7kbits/s speed=0.587x
> video:8495kB audio:1955kB subtitle:0kB other streams:0kB global headers:0kB
> muxing overhead: 0.439394%
> 
> 
> ffmpeg -i C:\ffmpeg\test-16.9.mp4 -filter_complex
> "drawtext=fontfile=/Windows/Fonts/arial.ttf:text='0123456789':fontsize=20:fontcolor=white:x=10:y=10"
> -aspect 16/9 -map 0 -map -0:d -vcodec libx264 -acodec aac -y
> C:\ffmpeg\test-16.9-text.mp4
> ffmpeg version N-79947-gcd244fa Copyright (c) 

Re: [FFmpeg-user] Decklink with ffmpeg audio desync

[Dpto. Datos Television Costa Blanca]

El 14/05/2016 a las 2:44, Marton Balint escribió:

I've removed -re from the command, but if that doesnt help, how can I
fix the desync? I have no way of "not having" the NO INPUT SIGNAL ->
INPUT SIGNAL DETECTED problem.
Also, when the signal interrupts I see in the stream the colour bars. Do
they come from ffmpeg or from the decklink card?

Bars are coming from ffmpeg, when no input is detected. Apparently
your inputs are not synchornized... Can you try to feed synchronized
signal to ffmpeg to rule out this, as a probable source of A-V desync?
The quick answer is no, I cant feed with sync. One of the sources is a 
complex PC VGA to S-VIDEO to SDI (Yes, 3 converters, dont ask) and they 
dont have sync in/out.


We have a blackmagic SDI to Analog A/V that works perfectly (Never get 
desync), but with the quality loss of the Analog A/V so is a discarded 
solution.


While Im looking on how to sync the inputs, is there any other way to 
fix this? Maybe telling ffmpeg to ignore any time code and just encode 
whatever get in?


Regards,

--Daniel
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Re: [FFmpeg-user] 60 FPS timecode problem

[Sean]

Yes, that is what I thought but when the source is drop-frame and the 
destination is drop-frame, it appears that ffmpeg is calculating some offset 
into it that is throwing it off. It should remain the same in this scenario.

- Sean 



-Original Message-
From: ffmpeg-user [mailto:ffmpeg-user-boun...@ffmpeg.org] On Behalf Of Wayne 
Poll
Sent: Sunday, May 15, 2016 7:25 PM
To: FFmpeg user questions
Subject: Re: [FFmpeg-user] 60 FPS timecode problem

-Original Message-
>But there is an oddity with the time code where it adds 1.8 seconds at the 
>start of the newly transcoded file for every hour on the initial time code.

Sounds like a Drop Frame - Non-Drop Frame issue to me. I'm pretty sure the 
difference between DF and NDF is about 2 seconds per hour.

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Re: [FFmpeg-user] FFPROBE and Tags in MOV/MP4 files

[Dave Navarro, Jr.]

Thanks!  I am going to dig through the binary file and see what I can discover.

-Original Message-
From: Kieran O Leary [mailto:kieran.o.le...@gmail.com] 
Sent: Monday, May 16, 2016 11:54 AM
To: FFmpeg user questions ; Dave Navarro, Jr. 

Subject: Re: [FFmpeg-user] FFPROBE and Tags in MOV/MP4 files

On Mon, May 16, 2016 at 5:06 PM, Kieran O Leary  
wrote:
> Hi!
>
> On Mon, May 16, 2016 at 1:57 AM, Dave Navarro, Jr.
>  wrote:

>> I am running some tests and I can't seem to locate where "TAGS" or 
>> "KEYWORDS" are stored.
>>

I may have misunderstood you, did you mean that you want to locate the 
information you entered in the 'Tags' section of the windows 7 media property 
window? If so, I've also failed to find that info with ffprobe or mediainfo, 
but I found it with exiftool, where it shows up as 'Category' (v bhccvgcvghcg 
was just some random stuff i entered :])  exiftool -Category 
K:\web_video\out.mov
Category: v bhccvgcvghcg

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Re: [FFmpeg-user] FFPROBE and Tags in MOV/MP4 files

[Dave Navarro, Jr.]

No, the Title and Comments I am getting.  In Windows 7, enter some keywords 
under "tags".  They get saved in the file, but FFPROBE doesn't display them.

-Original Message-
From: Kieran O Leary [mailto:kieran.o.le...@gmail.com] 
Sent: Monday, May 16, 2016 11:06 AM
To: FFmpeg user questions ; d...@topekadesign.com
Subject: Re: [FFmpeg-user] FFPROBE and Tags in MOV/MP4 files

Hi!

On Mon, May 16, 2016 at 1:57 AM, Dave Navarro, Jr.
 wrote:
> I am using the latest version of FFPROBE to extract meta data from MOV 
> and
> MP4 files uploaded to my web site.
>
>
>
> ffprobe -v quiet -show_format -show_streams -show_private_data 
> -print_format json test.mp4
>
>
>
> I am running some tests and I can't seem to locate where "TAGS" or 
> "KEYWORDS" are stored.
>
>
>
> On my Windows 7 machine, when I right-click on a .MP4 file and go to 
> the "Details" tab. I put in the Title and Comments which I can see in 
> the FFPROBE output as being in the FORMAT section.

I replicated your use-case in win 7 by adding a title and comments and this 
command produced:
ffprobe -v quiet -show_entries format -show_private_data -print_format json 
K:\fixed.mov {
"format": {
"filename": "K:\\fixed.mov",
"nb_streams": 2,
"nb_programs": 0,
"format_name": "mov,mp4,m4a,3gp,3g2,mj2",
"format_long_name": "QuickTime / MOV",
"start_time": "0.00",
"duration": "5632.625000",
"size": "6191240703",
"bit_rate": "8793400",
"probe_score": 100,
"tags": {
"major_brand": "qt  ",
"minor_version": "512",
"compatible_brands": "qt  ",
"encoder": "Lavf57.25.100",
"title": "testo",
"comment": "leaf example comment for dave navarro, possibly from 
chilli peppers, but probably not"
}
}
}

Hopefully that resolves your issue?

Best,

Kieran.

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Re: [FFmpeg-user] FFPROBE and Tags in MOV/MP4 files

[Kieran O Leary]

On Mon, May 16, 2016 at 5:06 PM, Kieran O Leary
 wrote:
> Hi!
>
> On Mon, May 16, 2016 at 1:57 AM, Dave Navarro, Jr.
>  wrote:

>> I am running some tests and I can't seem to locate where "TAGS" or
>> "KEYWORDS" are stored.
>>

I may have misunderstood you, did you mean that you want to locate the
information you entered in the 'Tags' section of the windows 7 media
property window? If so, I've also failed to find that info with
ffprobe or mediainfo, but I found it with exiftool, where it shows up
as 'Category' (v bhccvgcvghcg was just some random stuff i entered :])
 exiftool -Category K:\web_video\out.mov
Category: v bhccvgcvghcg
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Re: [FFmpeg-user] FFPROBE and Tags in MOV/MP4 files

[Kieran O Leary]

Hi!

On Mon, May 16, 2016 at 1:57 AM, Dave Navarro, Jr.
 wrote:
> I am using the latest version of FFPROBE to extract meta data from MOV and
> MP4 files uploaded to my web site.
>
>
>
> ffprobe -v quiet -show_format -show_streams -show_private_data -print_format
> json test.mp4
>
>
>
> I am running some tests and I can't seem to locate where "TAGS" or
> "KEYWORDS" are stored.
>
>
>
> On my Windows 7 machine, when I right-click on a .MP4 file and go to the
> "Details" tab. I put in the Title and Comments which I can see in the
> FFPROBE output as being in the FORMAT section.

I replicated your use-case in win 7 by adding a title and comments and
this command produced:
ffprobe -v quiet -show_entries format -show_private_data -print_format
json K:\fixed.mov
{
"format": {
"filename": "K:\\fixed.mov",
"nb_streams": 2,
"nb_programs": 0,
"format_name": "mov,mp4,m4a,3gp,3g2,mj2",
"format_long_name": "QuickTime / MOV",
"start_time": "0.00",
"duration": "5632.625000",
"size": "6191240703",
"bit_rate": "8793400",
"probe_score": 100,
"tags": {
"major_brand": "qt  ",
"minor_version": "512",
"compatible_brands": "qt  ",
"encoder": "Lavf57.25.100",
"title": "testo",
"comment": "leaf example comment for dave navarro,
possibly from chilli peppers, but probably not"
}
}
}

Hopefully that resolves your issue?

Best,

Kieran.
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Re: [FFmpeg-user] nvenc ffmpeg

[Roger Allen]

On Mon, May 16, 2016 at 2:50 AM, Аз Есмь  wrote:
> i've got the same problem. GeForce GT 610, nVidia driver 361.42, Kubuntu 
> 16.04.

Supported GPUs are listed here:
https://developer.nvidia.com/nvidia-video-codec-sdk#gpulist which for
GeForce cards can be summarized as "Kepler & Maxwell GPUs only".

According to https://en.wikipedia.org/wiki/GeForce_600_series the GT
610 is a GF119 or Fermi card.  That came out prior to the Kepler cards
that first included NVENC.
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Re: [FFmpeg-user] Error when using v4l2 to encode H264

[Carl Eugen Hoyos]

Bogdan Mariesan  buddyguard.io> writes:

>  ./ffmpeg -f v4l2 -video_size 640x360 -rtbufsize 702000k 
> -framerate 30 -i /dev/video0 -r 30 -threads 4 -vcodec libx264 
> -pix_fmt yuv420p -tune zerolatency -preset ultrafast test.avi

Your exact command line works fine here, please test the following:
$ ffmpeg -i /dev/video0 -pix_fmt yuv420p out.mov

Unrelated:
Note that "-r 30" in your command line looks like a bad idea, 
you should probably remove it and h264 in avi can lead to 
unexpected issues.

Carl Eugen

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[FFmpeg-user] Error when using v4l2 to encode H264

[Bogdan Mariesan]

FFmpeg command:
 ./ffmpeg -f v4l2 -video_size 640x360 -rtbufsize 702000k -framerate 30 -i
/dev/video0 -r 30 -threads 4 -vcodec libx264 -pix_fmt yuv420p -tune
zerolatency -preset ultrafast test.avi


FFMpeg log:

user@chrysaor-info-ubuntu-14041-desktop-amd64:~/ffmpeg/FFmpeg$ ./ffmpeg -f
v4l2 -video_size 640x360 -rtbufsize 702000k -framerate 30 -i /dev/video0 -r
30 -threads 4 -vcodec libx264 -pix_fmt yuv420p -tune zerolatency -preset
ultrafast test.avi
ffmpeg version N-80003-g2f76157 Copyright (c) 2000-2016 the FFmpeg
developers
  built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.1)
  configuration: --enable-nonfree --enable-gpl --enable-libx264
--enable-x11grab --enable-zlib
  libavutil  55. 24.100 / 55. 24.100
  libavcodec 57. 42.100 / 57. 42.100
  libavformat57. 36.100 / 57. 36.100
  libavdevice57.  0.101 / 57.  0.101
  libavfilter 6. 45.100 /  6. 45.100
  libswscale  4.  1.100 /  4.  1.100
  libswresample   2.  0.101 /  2.  0.101
  libpostproc54.  0.100 / 54.  0.100
Input #0, video4linux2,v4l2, from '/dev/video0':
  Duration: N/A, bitrate: 110592 kb/s
Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 640x360,
110592 kb/s, 30 fps, 30 tbr, 1000k tbn
[libx264 @ 0x38be2c0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2
AVX FMA3
[libx264 @ 0x38be2c0] profile Constrained Baseline, level 3.0
[avi @ 0x38bca20] Using AVStream.codec to pass codec parameters to muxers
is deprecated, use AVStream.codecpar instead.
Output #0, avi, to 'test.avi':
  Metadata:
ISFT: Lavf57.36.100
Stream #0:0: Video: h264 (H264 / 0x34363248), yuv420p, 640x360, q=2-31,
30 fps, 30 tbn
Metadata:
  encoder : Lavc57.42.100 libx264
Side data:
  cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
Stream mapping:
  Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
Could not write header for output file #0 (incorrect codec parameters ?):
Immediate exit requested

When going through ffserver my capture was hanging so I tried to output it
to a file. It still hangs and when I try to stop it I get the log above.

*Bogdan Emil Mariesan*
Senior Software Engineer

*BuddyGuard UG* (haftungsbeschränkt)
Dircksenstr. 40
10178 Berlin

m: +40 743 901 331
w.   www.buddyguard.io
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Re: [FFmpeg-user] nvenc ffmpeg

[Аз Есмь]

 hello,

i've got the same problem. GeForce GT 610, nVidia driver 361.42, Kubuntu 16.04.

$ /opt/ffmpegnv/bin/ffmpeg -i test.mov -c:v nvenc_h264 -r 25 -profile:v high 
-pix_fmt yuv420p -preset default -crf 30 -an test.mp4

ffmpeg version 2.8.6-1build1 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 5.3.1 (Ubuntu 5.3.1-14ubuntu2) 20160413
  configuration: --prefix=/opt/ffmpegnv --extra-version=1build1 
--build-suffix=-ffmpegnv --libdir=/usr/lib/x86_64-linux-gnu 
--incdir=/usr/include/x86_64-linux-gnu --enable-gpl --enable-shared 
--disable-stripping --enable-avresample --enable-avisynth --enable-frei0r 
--enable-gnutls --enable-ladspa --enable-libass --enable-libbluray 
--enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite 
--enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme 
--enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopenjpeg 
--enable-openal --enable-libopus --enable-libpulse --enable-librtmp 
--enable-libschroedinger --enable-libshine --enable-libspeex --enable-libtheora 
--enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack 
--enable-libwebp --enable-libxvid --enable-libzvbi --enable-opengl 
--enable-x11grab --enable-libdc1394 --enable-libiec61883 --enable-libzmq 
--enable-libssh --enable-libsoxr --enable-libx264 --enable-libopencv 
--enable-libx265 --enable-nonfree --enable-nvenc
...
No NVENC capable devices found
...
Stream #0:0 -> #0:0 (prores (native) -> h264 (nvenc_h264))
Error while opening encoder for output stream #0:0 - maybe incorrect parameters 
such as bit_rate, rate, width or height
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[FFmpeg-user] why ffmpeg reports error when decoding rm or rmvb files

[qw]

Hi,

I'm using the following command to decode some rm and rmvb files, and ffmpeg 
reports error as shown below:

[root@PT-18376 test-clips]# ffmpeg -i hanma.rm -xerror -f null /dev/null
ffmpeg version 2.8.3 Copyright (c) 2000-2015 the FFmpeg developers
  built with icc (ICC) 14.0.2 20140120
  configuration: --cc=/opt/intel/bin/icc --enable-version3 --enable-asm 
--enable-yasm --enable-avfilter --enable-libvidstab --disable-static 
--enable-shared --enable-libx264 --enable-gpl --prefix=/usr/local/ 
--extra-cflags=-I/usr/local/include --extra-ldflags=-L/usr/local/lib 
--enable-libfdk_aac --enable-nonfree --enable-libass --enable-libfreetype 
--extra-libs=-lfreetype
  libavutil  54. 31.100 / 54. 31.100
  libavcodec 56. 60.100 / 56. 60.100
  libavformat56. 40.101 / 56. 40.101
  libavdevice56.  4.100 / 56.  4.100
  libavfilter 5. 40.101 /  5. 40.101
  libswscale  3.  1.101 /  3.  1.101
  libswresample   1.  2.101 /  1.  2.101
  libpostproc53.  3.100 / 53.  3.100
[rm @ 0x1d703a0] Invalid stream index 2 for index at pos 7110127
Input #0, rm, from 'hanma.rm':
  Metadata:
title   :
author  :
copyright   :
comment :
ASMRuleBook : #($Bandwidth >= 0),Stream1Bandwidth = 64082, 
Stream0Bandwidth = 285918;
Audiences   : 350k Download (VBR);
audioMode   : music
Creation Date   : 4/19/2016 14:41:27
Generated By: Helix Producer SDK 11.0 for Windows, Build 11.0.0.2013
Modification Date: 4/19/2016 14:41:27
videoMode   : sharp
  Duration: 00:02:39.75, start: 0.00, bitrate: 356 kb/s
Stream #0:0: Video: rv40 (RV40 / 0x30345652), yuv420p, 448x336, 286 kb/s, 
30 fps, 30 tbr, 1k tbn, 1k tbc
Stream #0:1: Audio: cook (cook / 0x6B6F6F63), 44100 Hz, stereo, fltp, 64 
kb/s
Output #0, null, to '/dev/null':
  Metadata:
title   :
author  :
copyright   :
comment :
ASMRuleBook : #($Bandwidth >= 0),Stream1Bandwidth = 64082, 
Stream0Bandwidth = 285918;
Audiences   : 350k Download (VBR);
audioMode   : music
Creation Date   : 4/19/2016 14:41:27
Generated By: Helix Producer SDK 11.0 for Windows, Build 11.0.0.2013
Modification Date: 4/19/2016 14:41:27
videoMode   : sharp
encoder : Lavf56.40.101
Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 448x336, q=2-31, 
200 kb/s, 30 fps, 30 tbn, 30 tbc
Metadata:
  encoder : Lavc56.60.100 rawvideo
Stream #0:1: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s
Metadata:
  encoder : Lavc56.60.100 pcm_s16le
Stream mapping:
  Stream #0:0 -> #0:0 (rv40 (native) -> rawvideo (native))
  Stream #0:1 -> #0:1 (cook (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
hanma.rm: Input/output errorN/A   
Conversion failed!

From the above message, ffmpeg reports error when reaching the end of input 
files, because av_read_frame() return a value that is not AVERROR_EOF. I use 
the same command to decode other clips, such mkv and mp4.

Why ffmpeg reports error when decoding rm and rmvb files?

rm and rmvb samples can be downloaded from
http://pan.baidu.com/s/1hs113Bu
http://pan.baidu.com/s/1qYKNY7y
 
Thanks!

B.R.

andrew






 
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