[FFmpeg-user] Burning timecode into mov file

[bartom]

Hi,
could anyone tell me the command in ffmpeg to burn the timecode track of a
mov file onto the video?
(I've installed the latest version of ffmpeg that has support for the ProRes
codec).
Thank you very much for any hint.
Best wishes

tomas bar

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[Clément Bœsch]

Post by bartom
Hi,
could anyone tell me the command in ffmpeg to burn the timecode track of a
mov file onto the video?

Burn the track? If you meant burn the timecode onto the video, see
timecode and rate option in drawtext filter:
http://ffmpeg.org/libavfilter.html#drawtext

If you meant to add a timecode code track in the mov, this is not
supported at the moment: http://ffmpeg.org/general.html#Timecode. You can
extract the current timecode from the tmcd track with ffprobe though.

[...]

[Tim Nicholson]

Post by Clément Bœsch

Post by bartom
Hi,
could anyone tell me the command in ffmpeg to burn the timecode track of a
mov file onto the video?

Burn the track? If you meant burn the timecode onto the video, see
http://ffmpeg.org/libavfilter.html#drawtext

...and if that is still unclear there is a worked example at :-

https://ffmpeg.org/trac/ffmpeg/wiki/FilteringGuide

Post by Clément Bœsch
If you meant to add a timecode code track in the mov, this is not
supported at the moment: http://ffmpeg.org/general.html#Timecode. You can
extract the current timecode from the tmcd track with ffprobe though.
[...]

..at the moment.... How tantalising is that ;)
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[bartom]

Hi,
Many thanks for your answers and your help.

I tried using ffprobe to extract the timecode stream as you suggest, but
ffprobe doesn't seem to be able to decode the timecode stream. I ran the
command:

ffprobe -show_streams test.mov

but I get the message 'Unsupported codec with id 0 for input stream 2' (the
timecode stream). Do I need to specify some other option so that ffprobe can
decode the timecode stream?
Thanks again for any help

T. Bar

The complete output of my command ffprobe -show_streams test.mov is:

ffprobe version N-37402-gc673671 Copyright (c) 2007-2012 the FFmpeg
developers
built on Feb 3 2012 11:09:54 with gcc 4.6.1
configuration:
libavutil 51. 36.100 / 51. 36.100
libavcodec 54. 0.102 / 54. 0.102
libavformat 54. 0.100 / 54. 0.100
libavdevice 53. 4.100 / 53. 4.100
libavfilter 2. 60.100 / 2. 60.100
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 6.100 / 0. 6.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x27f24e0] decoding for stream 2 failed
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test.mov':
Metadata:
major_brand : qt
minor_version : 537199360
compatible_brands: qt
creation_time : 2011-04-26 06:45:13
Duration: 00:42:28.56, start: 0.000000, bitrate: 123586 kb/s
Stream #0:0(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1
channels, s32, 1152 kb/s
Metadata:
creation_time : 2011-04-26 06:45:13
handler_name : ?Linux Alias Data Handler
Stream #0:1(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1
channels, s32, 1152 kb/s
Metadata:
creation_time : 2011-04-26 06:45:13
handler_name : ?Linux Alias Data Handler
Stream #0:2(eng): Data: none (tmcd / 0x64636D74)
Metadata:
creation_time : 2011-04-26 06:45:13
handler_name : ?Apple Alias Data Handler
timecode : 18:27:15:17
Stream #0:3(eng): Video: prores (apcn / 0x6E637061), yuv422p10le,
1920x1080, 121279 kb/s, 25 fps, 25 tbr, 2500 tbn, 2500 tbc
Metadata:
creation_time : 2011-04-26 20:25:56
handler_name : ?Apple Alias Data Handler
Unsupported codec with id 0 for input stream 2
[STREAM]
index=0
codec_name=pcm_s24le
codec_long_name=PCM signed 24-bit little-endian
codec_type=audio
codec_time_base=1/48000
codec_tag_string=in24
codec_tag=0x34326e69
sample_fmt=s32
sample_rate=48000
channels=1
bits_per_sample=24
id=N/A
r_frame_rate=0/0
avg_frame_rate=0/0
time_base=1/48000
start_time=0.000000
duration=2548.560000
nb_frames=122313600
TAG:creation_time=2011-04-26 06:45:13
TAG:language=eng
TAG:handler_name=Linux Alias Data Handler
[/STREAM]
[STREAM]
index=1
codec_name=pcm_s24le
codec_long_name=PCM signed 24-bit little-endian
codec_type=audio
codec_time_base=1/48000
codec_tag_string=in24
codec_tag=0x34326e69
sample_fmt=s32
sample_rate=48000
channels=1
bits_per_sample=24
id=N/A
r_frame_rate=0/0
avg_frame_rate=0/0
time_base=1/48000
start_time=0.000000
duration=2548.560000
nb_frames=122313600
TAG:creation_time=2011-04-26 06:45:13
TAG:language=eng
TAG:handler_name=Linux Alias Data Handler
[/STREAM]
[STREAM]
index=2
codec_name=unknown
codec_long_name=unknown
codec_type=data
codec_time_base=1/25
codec_tag_string=tmcd
codec_tag=0x64636d74
id=N/A
r_frame_rate=0/0
avg_frame_rate=0/0
time_base=1/2500
start_time=0.000000
duration=2548.560000
nb_frames=1
TAG:creation_time=2011-04-26 06:45:13
TAG:language=eng
TAG:handler_name=Apple Alias Data Handler
TAG:timecode=18:27:15:17
[/STREAM]
[STREAM]
index=3
codec_name=prores
codec_long_name=ProRes
codec_type=video
codec_time_base=1/2500
codec_tag_string=apcn
codec_tag=0x6e637061
width=1920
height=1080
has_b_frames=0
sample_aspect_ratio=N/A
display_aspect_ratio=N/A
pix_fmt=yuv422p10le
level=-99
timecode=N/A
id=N/A
r_frame_rate=25/1
avg_frame_rate=25/1
time_base=1/2500
start_time=0.000000
duration=2548.560000
nb_frames=63714
TAG:creation_time=2011-04-26 20:25:56
TAG:language=eng
TAG:handler_name=Apple Alias Data Handler
[/STREAM]


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[Tim Nicholson]

Post by bartom
Hi,
Many thanks for your answers and your help.
I tried using ffprobe to extract the timecode stream as you suggest, but
ffprobe doesn't seem to be able to decode the timecode stream. I ran the
ffprobe -show_streams test.mov
but I get the message 'Unsupported codec with id 0 for input stream 2' (the
timecode stream). Do I need to specify some other option so that ffprobe can
decode the timecode stream?

No! Look again at your output....

Post by bartom
[....]
Stream #0:2(eng): Data: none (tmcd / 0x64636D74)
creation_time : 2011-04-26 06:45:13
handler_name : ?Apple Alias Data Handler
timecode : 18:27:15:17

what does that say________/

Post by bartom
[....]

and this_______
\

Post by bartom
TAG:timecode=18:27:15:17
[....]

[bartom]

Thanks for your reply and pointing this out. I see now.
I ran the command:

ffprobe -show_packets test.mov

and in the output of this command containing all the packets, there is only
a single packet of the timecode stream (all the rest are audio and video
packets). This is the packet of the timecode stream:

[PACKET]
codec_type=data
stream_index=2
pts=0
pts_time=0.000000
dts=0
dts_time=0.000000
duration=6371400
duration_time=2548.560000
size=4
pos=39369995192
flags=K
[/PACKET]

Is this normal, that there is only one packet in the timecode stream? I had
a total misconception concerning the timecode track. I thought that for each
video frame, the timecode stream has a frame storing a different timecode
value. But I suppose I was wrong: each video file has only one value in the
timecode track: the TAG:timecode=18:27:15:17 that you pointed out, which is
the start timecode, and that's it?

Many thanks again.

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[Tim Nicholson]

Post by bartom
Thanks for your reply and pointing this out. I see now.
ffprobe -show_packets test.mov
and in the output of this command containing all the packets, there is only
a single packet of the timecode stream (all the rest are audio and video
packets). [....]

This is normal for ffmpeg, which only supports a "first frame" timecode
and a rate. In fact some containers (mov, mxf and gxf?) support frame by
frame timecode tagging allowing for discontinuities. However there are
very few applications that can make use of this, and in particular every
NLE I have come across works the same as ffmpeg.

[bartom]

Ok. Thanks a lot for the clarification.
Yes, I'm dealing with mov files that can have discontinuities in the
timecode. I have to preserve the discontinuities because they correspond to
the real time, that is what I want to burn onto the video.
I wanted to avoid using final cut pro, but I guess its the only option.
Many thanks again.

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[MrGralich]

Post by Clément Bœsch
If you meant to add a timecode code track in the mov, this is not
supported at the moment: http://ffmpeg.org/general.html#Timecode. You can
extract the current timecode from the tmcd track with ffprobe though.

Clément, now, after some months, it seems supported:

"MOV X X"

but I can't make it work, and I've been searching and studying all day...

The command I'm trying to apply is:
ffmpeg -i <input.mov> -acodec copy -vcodec copy -metadata
timecode=15:14:13:00 <output.mov>
but I get nothing...

Do you have some advice?

Thank you very much

Gianluca



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[Clément Bœsch]

Post by MrGralich

Post by Clément Bœsch
If you meant to add a timecode code track in the mov, this is not
supported at the moment: http://ffmpeg.org/general.html#Timecode. You can
extract the current timecode from the tmcd track with ffprobe though.

"MOV X X"
but I can't make it work, and I've been searching and studying all day...
ffmpeg -i <input.mov> -acodec copy -vcodec copy -metadata
timecode=15:14:13:00 <output.mov>
but I get nothing...
Do you have some advice?

Try -timecode 15:14:13:00?

If it doesn't work, please paste the command line and full output, as well
as the output of ffprobe output.mov.

[...]

[MrGralich]

Post by Clément Bœsch

Post by MrGralich
ffmpeg -i <input.mov> -acodec copy -vcodec copy -metadata
timecode=15:14:13:00 <output.mov>
but I get nothing...
Do you have some advice?

Try -timecode 15:14:13:00?
If it doesn't work, please paste the command line and full output, as well
as the output of ffprobe output.mov.

Clément, I've tried the command
*ffmpeg -i STD_0022.MOV -timecode 15:14:13:00 -acodec copy -vcodec copy
std_0022_tc.mov*
but I don't think I have any success. The timecode doesn't show up in QT 7.x
nor in FCP.
I don't have ffprobe and I currently don't have the tools to compile it,
since I understand there's no binary available for download. In the
meantime, I've called the resulting MOV file with *ffmpeg -i* and this is
the result:

/ffmpeg version 0.11.1-tessus Copyright (c) 2000-2012 the FFmpeg developers
built on Aug 16 2012 18:49:35 with llvm_gcc 4.2.1 (Based on Apple Inc.
build 5658) (LLVM build 2336.1.00)
configuration: --prefix=/Users/tessus/data/ext/ffmpeg/sw --as=yasm
--extra-version=tessus --disable-shared --enable-static --disable-ffplay
--disable-ffserver --enable-gpl --enable-pthreads --enable-postproc
--enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264
--enable-libxvid --enable-libspeex --enable-bzlib --enable-zlib
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libxavs
--enable-version3 --enable-libvo-aacenc --enable-libvo-amrwbenc
--enable-libvpx --enable-libgsm --enable-fontconfig --enable-libfreetype
--enable-libass --enable-filters --enable-runtime-cpudetect
libavutil 51. 54.100 / 51. 54.100
libavcodec 54. 23.100 / 54. 23.100
libavformat 54. 6.100 / 54. 6.100
libavdevice 54. 0.100 / 54. 0.100
libavfilter 2. 77.100 / 2. 77.100
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 15.100 / 0. 15.100
libpostproc 52. 0.100 / 52. 0.100
Guessed Channel Layout for Input Stream #0.1 : stereo
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'STD_0022_tc.MOV':
Metadata:
major_brand : qt
minor_version : 512
compatible_brands: qt
creation_time : 2012-08-19 16:58:16
encoder : Lavf54.6.100
Duration: 00:00:32.61, start: 0.000000, bitrate: 46259 kb/s
Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 /
0x31637661), yuvj420p, 1920x1088, 44721 kb/s, 23.98 fps, 23.98 tbr, 24k tbn,
48k tbc
Metadata:
creation_time : 2012-08-19 16:58:16
handler_name : DataHandler
Stream #0:1(eng): Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz,
stereo, s16, 1536 kb/s
Metadata:
creation_time : 2012-08-19 16:58:16
handler_name : DataHandler/

I can't see the timecode here, either.

Thanks for your help
Gianluca




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[Clément Bœsch]

Post by Clément Bœsch

Post by MrGralich
ffmpeg -i <input.mov> -acodec copy -vcodec copy -metadata
timecode=15:14:13:00 <output.mov>
but I get nothing...
Do you have some advice?

Try -timecode 15:14:13:00?
If it doesn't work, please paste the command line and full output, as well
as the output of ffprobe output.mov.

Clément, I've tried the command
*ffmpeg -i STD_0022.MOV -timecode 15:14:13:00 -acodec copy -vcodec copy
std_0022_tc.mov*
but I don't think I have any success. The timecode doesn't show up in QT 7.x
nor in FCP.
I don't have ffprobe and I currently don't have the tools to compile it,
since I understand there's no binary available for download. In the
meantime, I've called the resulting MOV file with *ffmpeg -i* and this is
/ffmpeg version 0.11.1-tessus Copyright (c) 2000-2012 the FFmpeg developers

CommitDate: Mon Jun 11 07:35:14 2012 +0200
movenc: add timecode track support.

And:

June, 7, 2012, FFmpeg 0.11.1

(and actually 0.11 is even older, .1 being just a bug fixes release)

So I believe your version is too old. Note that we highly recommend our
users to use the latest development version, which you can get on
https://ffmpeg.org/download.html.

You seem yo be looking for a Mac OS build, and unfortunately the static
build provided by tessus seem indeed limited to the release versions. I'd
suggest you to look into the wiki for detailed instructions:
https://ffmpeg.org/trac/ffmpeg/wiki/MacOSXCompilationGuide

[...]

[MrGralich]

Post by Clément Bœsch
So I believe your version is too old.

Clément, thanks for your help, but the 0.11.1 is exactly the version that
I've used, as reported in the output I had attached ("/ffmpeg version
0.11.1-tessus Copyright (c) 2000-2012 the FFmpeg developers
built on Aug 16 2012 18:49:35 with llvm_gcc 4.2.1 (Based on Apple Inc.
build 5658) (LLVM build 2336.1.00)/ ").
So I must be giving some incorrect command, I'm afraid.

For the ffprobe, I've found the windows build and used it, but the output is
exactly the same as the one returned by "ffmpeg -i" command.

I appreciate your help
Gianluca



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[Clément Bœsch]

Post by Clément Bœsch
So I believe your version is too old.

Clément, thanks for your help, but the 0.11.1 is exactly the version that
I've used, as reported in the output I had attached ("/ffmpeg version
0.11.1-tessus Copyright (c) 2000-2012 the FFmpeg developers
built on Aug 16 2012 18:49:35 with llvm_gcc 4.2.1 (Based on Apple Inc.
build 5658) (LLVM build 2336.1.00)/ ").

That's what I was saying, 0.11.1 is the latest release but it is too old
anyway.

[...]

[Greg79]

Hello Guys,

sorry for opening this issue once again, but I'm trying to deal with quite
the same problem.
I'm quite new in this field. Let me try to give you an overview.
I have several video stream from several synchronised cameras which I would
like to save. For a later analysis I need to jump to a specific frame in
each of these videos. To do this I thinking to use the timecode.
As far as I understood it correctly, that what I'm looking for is the "burnt
in timecode" (BITC) which is keyed into each frame content, right?
The normal timecode is keyed in the header of GOP, which will allow me to do
a kind of estimation, right?
The general question is, does only AVI or other video container, like MOV
allow BITC?
It this feature related to the codec I'm using, as well? Which codecs are
supporting BITC?

Thank you in advance.
Best Greg



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[Greg79]

Hello Guys,

sorry for opening this issue once again, but I'm trying to deal with quite
the same problem.
I'm quite new in this field. Let me try to give you an overview.
I have several video stream from several synchronised cameras which I would
like to save. For a later analysis I need to jump to a specific frame in
each of these videos. To do this I thinking to use the timecode.
As far as I understood it correctly, that what I'm looking for is the "burnt
in timecode" (BITC) which is keyed into each frame content, right?
The normal timecode is keyed in the header of GOP, which will allow me to do
a kind of estimation, right?
The general question is, does only AVI or other video container, like MOV
allow BITC?
It this feature related to the codec I'm using, as well? Which codecs are
supporting BITC?

Thank you in advance.
Best Greg



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[bouke]

----- Original Message -----
From: "Greg79" <***@ymail.com>
To: <ffmpeg-***@ffmpeg.org>
Sent: Wednesday, November 07, 2012 11:05 AM
Subject: Re: [FFmpeg-user] Burning timecode into mov file

Post by Greg79
Hello Guys,
sorry for opening this issue once again, but I'm trying to deal with quite
the same problem.
I'm quite new in this field. Let me try to give you an overview.
I have several video stream from several synchronised cameras which I would
like to save. For a later analysis I need to jump to a specific frame in
each of these videos. To do this I thinking to use the timecode.
As far as I understood it correctly, that what I'm looking for is the "burnt
in timecode" (BITC) which is keyed into each frame content, right?

Right

Post by Greg79
The normal timecode is keyed in the header of GOP, which will allow me to do
a kind of estimation, right?
The general question is, does only AVI or other video container, like MOV
allow BITC?
It this feature related to the codec I'm using, as well? Which codecs are
supporting BITC?

All codecs accept BITC.
it is, as you stated, burned into the video, so it becomes part of it.
The encoder would not know if it's digits or regular video.
(aso you can never remove it...)

Bouke

Post by Greg79
Thank you in advance.
Best Greg
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[Greg79]

Hi Bouke,

thank you very much, your post was quite enlightening.
Nevertheless, I still don't know if I'm able to use BITC to address a
particular frame.

For example does ffmpeg provides access to a particular frame by addressing
it via BITC (give me frame at 00:04:12:42). If so, how to do it?

Best Regards and many tnx in advance.
Greg



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[bouke]

----- Original Message -----
From: "Greg79" <***@ymail.com>
To: <ffmpeg-***@ffmpeg.org>
Sent: Wednesday, November 07, 2012 5:28 PM
Subject: Re: [FFmpeg-user] Burning timecode into mov file

Post by Greg79
Hi Bouke,
thank you very much, your post was quite enlightening.
Nevertheless, I still don't know if I'm able to use BITC to address a
particular frame.

Yes, manually while looking at the image :-)

Post by Greg79
For example does ffmpeg provides access to a particular frame by addressing
it via BITC (give me frame at 00:04:12:42). If so, how to do it?

Nope, FFmpeg has no OCR (that would be required)
If you want to adress specific frames, be aware that you need a proper codec
to do frame accurate searching.
check the -ss options to go to specific frames

Post by Greg79
Best Regards and many tnx in advance.
Greg
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[Roger Pack]

Post by Greg79
Hi Bouke,
thank you very much, your post was quite enlightening.
Nevertheless, I still don't know if I'm able to use BITC to address a
particular frame.
For example does ffmpeg provides access to a particular frame by addressing
it via BITC (give me frame at 00:04:12:42). If so, how to do it?

Not via the BITC but you can use the
http://ffmpeg.org/trac/ffmpeg/wiki/Seeking%20with%20FFmpeg

[Greg79]

very cool,

tnx a lot.. this was really enlightening!
A very last question, this method is not supported by all formats, right?
Is there a list with the supported formats somewhere?

cheers
greg



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[bouke]

----- Original Message -----
From: "Greg79" <***@ymail.com>
To: <ffmpeg-***@ffmpeg.org>
Sent: Thursday, November 08, 2012 10:26 AM
Subject: Re: [FFmpeg-user] Burning timecode into mov file

Post by Greg79
very cool,
tnx a lot.. this was really enlightening!
A very last question, this method is not supported by all formats, right?

eerm, if you don't keep the conversation intact, how should i know what
method you're talking about?
I take it you're aiming at frame accurate searching.

Post by Greg79
Is there a list with the supported formats somewhere?

Not that i know of, but if you stick with I frame only codecs you 'should'
be good.
Bouke

Post by Greg79
cheers
greg
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[Greg79]

@ bouke,

I'm sorry, yes I mentioned frame accurate searching.

Many tnx for the fast replay.

cheers greg



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