Re: [Cin] HDV is really 4 channel?

2024-01-29 Thread Terje J. Hanssen via Cin 



Den 17.01.2024 00:54, skrev Andrew Randrianasulu:



ср, 17 янв. 2024 г., 02:07 Terje J. Hanssen :



Den 16.01.2024 23:32, skrev Andrew Randrianasulu:



ср, 17 янв. 2024 г., 01:14 Andrew Randrianasulu
:



ср, 17 янв. 2024 г., 01:04 Andrew Randrianasulu
:



ср, 17 янв. 2024 г., 00:42 Terje J. Hanssen
:



Den 16.01.2024 21:35, skrev Andrew Randrianasulu:



вт, 16 янв. 2024 г., 23:30 Terje J. Hanssen
:



Den 16.01.2024 20:23, skrev Andrew Randrianasulu:

https://trac.ffmpeg.org/ticket/1258

see attached to this ticket modded decoder ...

I wonder if Terje's audio really 4ch? if so,may
be we can decode it to 4* wav first, then
encode them correctly to bluray lpcm / dvd pcm
/ ac3 ...



I did leave out some "empty channels" to
simplify and clean up the post. Here are the
full ffprobe output for the HDV source
(mediainfo was complete):



well, this ticket still open, so ffmpeg tools do not
know yet about this .. extension? It decodes in
compat stereo mode. I attached fixed decoder to this
ticket, it will be interesting if you just run
ffmpeg acodec copy command and then compile and run
decoder on it .. it may decode to 4 files! But not
sure how it all was arranged when it comes to
microphones ...? Does camera contain 4 of them? or
you were supposed to connect your own array?


Well, I think Steve Mullen's handbook for Sony FX7
(mine) and V1 clarify there is only two audo channels
on my FX7::

  * There is two types of HDV: HD1/720p (19 Mbps) and
HD2/1080i /25 Mbps) and Canon's 1080p24.
  * HD1 is recorded to DV tape using only the DV
video segment. The PCM audio segment is open for
future use.
  * HD2 is recorded to DV tape using both the DV
video segment and the PCM audio segment. A small
Subcode (ITI) segment holds data such
  * as timecode. Because no PCM audio segments are
available, HD2 cannot carry record PCM audio.
  * MPEG-1 Audio:
  * Both HD1 and HD2 support two audio channels of
audio signals that are digitized with a 48kHz at
16-bit quantization and compressed to
  * 384kbps by MPEG-1 Audio Layer 2 encoding. ProHD
adds two-channel PCM audio thus creating a format
that can carry four independent
  * channels of audio. (See Chapter 2 for an in-depth
introduction to MPEG-1 audio.)


yeah, seems to be rarely supported on HDV cameras, see

https://forum.blackmagicdesign.com/viewtopic.php?f=33=171688


but still!



https://ieba.wordpress.com/2008/01/21/hdv-grows-up-sonys-hvr-s270-and-hvr-z7/

=
*4-Channel Audio*
The HDV specification, like the DV specification, has allowed
for four-channel audio recording from the outset. Few cameras
took advantage of it, and when they did, it was an add-on
that did not maintain full balanced audio throughout. Though
the smaller Sony HVR-Z7 records only two channels of audio,
the larger HVR-S270 has two XLR inputs in the front of the
camcorder and two XLR inputs on the back of the camcorder.
Each one has a separate audio level control and an automatic
level control switch on the side of the camcorder.
=




To supplement the earlier information with wikipedia's hdv audio 
specification:

https://en.wikipedia.org/wiki/HDV#Specifications

   Audio
   Compression     MPEG-1 Audio Layer II, PCM     (HDV 720p)
   MPEG-1 Audio Layer II (HDV 1080i)
   Sampling frequency     48 kHz
   Quantization     16 bits
   Audio modes and data rate
   MPEG-1 Part 3 AL 2 Stereo (2-channel) at 384 kbit/s (192 kbit/s per
   channel);
   optional MPEG-2 Part 3 AL 2 4-channel at 96 kbit/s per channel.




and samples:

https://forum.doom9.org/archive/index.php/t-125966-p-46.html

=

As you can see 4 channel audio is part of the HDV format. I am
not sure if there are actually 2 audiostreams or only 1. There is
no way I can check this because the camera itself only outputs
the 4 ch and no 2 ch. But the computer will only play a 2 ch. But
when you compare the MediaInfo audio information

Re: [Cin] HDV is really 4 channel?

2024-01-16 Thread Andrew Randrianasulu via Cin 
ср, 17 янв. 2024 г., 03:31 Terje J. Hanssen :

>
>
> Den 16.01.2024 21:30, skrev Terje J. Hanssen:
>
>
>
> Den 16.01.2024 20:23, skrev Andrew Randrianasulu:
>
> https://trac.ffmpeg.org/ticket/1258
>
> see attached to this ticket  modded decoder ...
>
> I wonder if Terje's audio really 4ch? if so,may be we can decode it to 4*
> wav first, then encode them correctly to bluray lpcm / dvd pcm / ac3 ...
>
>
>
> I did leave out some "empty channels" to simplify and clean up the post.
> Here are the full ffprobe output for the HDV source (mediainfo was
> complete):
>
> ffprobe -hide_banner hdv07_05.m2t
> [mpeg2video @ 0x55d58a968340] Invalid frame dimensions 0x0.
> Last message repeated 7 times
> [mpegts @ 0x55d58a93e580] Could not find codec parameters for stream 2
> (Unknown: none ([160][0][0][0] / 0x00A0)): unknown codec
> Consider increasing the value for the 'analyzeduration' (0) and
> 'probesize' (500) options
> [mpegts @ 0x55d58a93e580] Could not find codec parameters for stream 3
> (Unknown: none ([161][0][0][0] / 0x00A1)): unknown codec
> Consider increasing the value for the 'analyzeduration' (0) and
> 'probesize' (500) options
> Input #0, mpegts, from 'hdv07_05.m2t':
>   Duration: 00:06:58.27, start: 3276.528000, bitrate: 25626 kb/s
>   Program 100
>   Stream #0:0[0x810]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002),
> yuv420p(tv, bt709, top first), 1440x1080 [SAR 4:3 DAR 16:9], 25000 kb/s, 25
> fps, 25 tbr, 90k tbn, 50 tbc
> Side data:
>   cpb: bitrate max/min/avg: 2500/0/0 buffer size: 7340032
> vbv_delay: N/A
>   Stream #0:1[0x814]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz,
> stereo, fltp, 384 kb/s
>   Stream #0:2[0x815]: Unknown: none ([160][0][0][0] / 0x00A0)
>   Stream #0:3[0x811]: Unknown: none ([161][0][0][0] / 0x00A1)
> Unsupported codec with id 0 for input stream 2
> Unsupported codec with id 0 for input stream 3
>
>
> I fogot to add that loading the HDV clip in CinGG, there is only two
> visible streams:
> #1 (video) and #2 (stereo Audio)
> (That is, nothing similar to loading .mov file, where there were
> additional 6 empty audio streams, #3 - #8)
>

yeah, no support in ffmpeg, no support in libsndfile (I filed feature
request) -> no additional channels!

you need to compile decoder from source, then use it on ffmpeg-extracted
mp2 file so it will generate 4 wav files.





>
>
>
>
>
>
>
>
-- 
Cin mailing list
Cin@lists.cinelerra-gg.org
https://lists.cinelerra-gg.org/mailman/listinfo/cin

Re: [Cin] HDV is really 4 channel?

2024-01-16 Thread Terje J. Hanssen via Cin 



Den 16.01.2024 21:30, skrev Terje J. Hanssen:



Den 16.01.2024 20:23, skrev Andrew Randrianasulu:

https://trac.ffmpeg.org/ticket/1258

see attached to this ticket  modded decoder ...

I wonder if Terje's audio really 4ch? if so,may be we can decode it 
to 4* wav first, then encode them correctly to bluray lpcm / dvd pcm 
/ ac3 ...



I did leave out some "empty channels" to simplify and clean up the 
post. Here are the full ffprobe output for the HDV source (mediainfo 
was complete):


ffprobe -hide_banner hdv07_05.m2t
[mpeg2video @ 0x55d58a968340] Invalid frame dimensions 0x0.
    Last message repeated 7 times
[mpegts @ 0x55d58a93e580] Could not find codec parameters for
stream 2 (Unknown: none ([160][0][0][0] / 0x00A0)): unknown codec
Consider increasing the value for the 'analyzeduration' (0) and
'probesize' (500) options
[mpegts @ 0x55d58a93e580] Could not find codec parameters for
stream 3 (Unknown: none ([161][0][0][0] / 0x00A1)): unknown codec
Consider increasing the value for the 'analyzeduration' (0) and
'probesize' (500) options
Input #0, mpegts, from 'hdv07_05.m2t':
  Duration: 00:06:58.27, start: 3276.528000, bitrate: 25626 kb/s
  Program 100
  Stream #0:0[0x810]: Video: mpeg2video (Main) ([2][0][0][0] /
0x0002), yuv420p(tv, bt709, top first), 1440x1080 [SAR 4:3 DAR
16:9], 25000 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc
    Side data:
  cpb: bitrate max/min/avg: 2500/0/0 buffer size: 7340032
vbv_delay: N/A
  Stream #0:1[0x814]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000
Hz, stereo, fltp, 384 kb/s
  Stream #0:2[0x815]: Unknown: none ([160][0][0][0] / 0x00A0)
  Stream #0:3[0x811]: Unknown: none ([161][0][0][0] / 0x00A1)
Unsupported codec with id 0 for input stream 2
Unsupported codec with id 0 for input stream 3


I fogot to add that loading the HDV clip in CinGG, there is only two 
visible streams:

#1 (video) and #2 (stereo Audio)
(That is, nothing similar to loading .mov file, where there were 
additional 6 empty audio streams, #3 - #8)








-- 
Cin mailing list
Cin@lists.cinelerra-gg.org
https://lists.cinelerra-gg.org/mailman/listinfo/cin

Re: [Cin] HDV is really 4 channel?

2024-01-16 Thread Andrew Randrianasulu via Cin 
ср, 17 янв. 2024 г., 02:07 Terje J. Hanssen :

>
>
> Den 16.01.2024 23:32, skrev Andrew Randrianasulu:
>
>
>
> ср, 17 янв. 2024 г., 01:14 Andrew Randrianasulu :
>
>>
>>
>> ср, 17 янв. 2024 г., 01:04 Andrew Randrianasulu > >:
>>
>>>
>>>
>>> ср, 17 янв. 2024 г., 00:42 Terje J. Hanssen :
>>>


 Den 16.01.2024 21:35, skrev Andrew Randrianasulu:



 вт, 16 янв. 2024 г., 23:30 Terje J. Hanssen :

>
>
> Den 16.01.2024 20:23, skrev Andrew Randrianasulu:
>
> https://trac.ffmpeg.org/ticket/1258
>
> see attached to this ticket  modded decoder ...
>
> I wonder if Terje's audio really 4ch? if so,may be we can decode it to
> 4* wav first, then encode them correctly to bluray lpcm / dvd pcm / ac3 
> ...
>
>
>
> I did leave out some "empty channels" to simplify and clean up the
> post. Here are the full ffprobe output for the HDV source (mediainfo was
> complete):
>


 well, this ticket still open, so ffmpeg tools do not know yet about
 this .. extension? It decodes in compat stereo mode. I attached fixed
 decoder to this ticket, it will be interesting if you just run ffmpeg
 acodec copy command and then compile and run decoder on it .. it may decode
 to 4 files! But not sure how it all was arranged when it comes to
 microphones ...? Does camera contain 4 of them? or you were supposed to
 connect your own array?


 Well, I think Steve Mullen's handbook for Sony FX7 (mine) and V1
 clarify there is only two audo channels on my FX7::

- There is two types of HDV: HD1/720p (19 Mbps) and HD2/1080i /25
Mbps) and Canon's 1080p24.
- HD1 is recorded to DV tape using only the DV video segment. The
PCM audio segment is open for future use.
- HD2 is recorded to DV tape using both the DV video segment and
the PCM audio segment. A small Subcode (ITI) segment holds data such
- as timecode. Because no PCM audio segments are available, HD2
cannot carry record PCM audio.
- MPEG-1 Audio:
- Both HD1 and HD2 support two audio channels of audio signals that
are digitized with a 48kHz at 16-bit quantization and compressed to
- 384kbps by MPEG-1 Audio Layer 2 encoding. ProHD adds two-channel
PCM audio thus creating a format that can carry four independent
- channels of audio. (See Chapter 2 for an in-depth introduction to
MPEG-1 audio.)


>>> yeah, seems to be rarely supported on HDV cameras, see
>>>
>>> https://forum.blackmagicdesign.com/viewtopic.php?f=33=171688
>>>
>>> but still!
>>>
>>
>>
>> https://ieba.wordpress.com/2008/01/21/hdv-grows-up-sonys-hvr-s270-and-hvr-z7/
>>
>> =
>> *4-Channel Audio*
>> The HDV specification, like the DV specification, has allowed for
>> four-channel audio recording from the outset. Few cameras took advantage of
>> it, and when they did, it was an add-on that did not maintain full balanced
>> audio throughout. Though the smaller Sony HVR-Z7 records only two channels
>> of audio, the larger HVR-S270 has two XLR inputs in the front of the
>> camcorder and two XLR inputs on the back of the camcorder. Each one has a
>> separate audio level control and an automatic level control switch on the
>> side of the camcorder.
>> =
>>
>
>
> and samples:
>
> https://forum.doom9.org/archive/index.php/t-125966-p-46.html
>
> =
>
> As you can see 4 channel audio is part of the HDV format. I am not sure if
> there are actually 2 audiostreams or only 1. There is no way I can check
> this because the camera itself only outputs the 4 ch and no 2 ch. But the
> computer will only play a 2 ch. But when you compare the MediaInfo audio
> information with the specs I expect that there are 2 audio stream just like
> eac3to detects. It would be very very nice if HDV support can be integrated
> into eac3to because many professional cameramen are looking for an solution.
>
> Currently eac3to extracts the m2v and 2ch audio stream fine. Only the 4
> channel stream isn't detected nor extracted. I uploaded 2 sample to my
> server for analysis:
> http://tools.twanwintjes.nl/uploads/temp/00_0001_2010-11-07_153401.M2T
> (49 seconds / 152MB) - Right Click --> Save As
> http://tools.twanwintjes.nl/uploads/temp/00_0002_2010-11-07_214302.M2T
> (44 seconds / 137MB) - Right Click --> Save As
>
>
> 
>
> yes, files still there :)
>
> Yeah, I saw some of the forum threads and had a look on the sample files.
> For me they the ffprobe outputs were identical with my own hdv.m2t files.
> I think as Mullen wrote, the limit for miniDV or HDV tapes was utilized
> for 1080i HD2 with 25 Mbps.
> Only the 720p HD2 format with 19 Mbps had PCM tracs free for later use.
> Maybe other camcorders..
>

=

>
.2.1.8 Adaptive Multichannel Prediction
Adaptive multichannel prediction is used to reduce the inter-channel
redundancy. When using multichannel
prediction, the signals

Re: [Cin] HDV is really 4 channel?

2024-01-16 Thread Terje J. Hanssen via Cin 



Den 16.01.2024 23:32, skrev Andrew Randrianasulu:



ср, 17 янв. 2024 г., 01:14 Andrew Randrianasulu :



ср, 17 янв. 2024 г., 01:04 Andrew Randrianasulu
:



ср, 17 янв. 2024 г., 00:42 Terje J. Hanssen
:



Den 16.01.2024 21:35, skrev Andrew Randrianasulu:



вт, 16 янв. 2024 г., 23:30 Terje J. Hanssen
:



Den 16.01.2024 20:23, skrev Andrew Randrianasulu:

https://trac.ffmpeg.org/ticket/1258

see attached to this ticket  modded decoder ...

I wonder if Terje's audio really 4ch? if so,may be
we can decode it to 4* wav first, then encode them
correctly to bluray lpcm / dvd pcm / ac3 ...



I did leave out some "empty channels" to simplify and
clean up the post. Here are the full ffprobe output
for the HDV source (mediainfo was complete):



well, this ticket still open, so ffmpeg tools do not know
yet about this .. extension? It decodes in compat stereo
mode. I attached fixed decoder to this ticket, it will be
interesting if you just run ffmpeg acodec copy command
and then compile and run decoder on it .. it may decode
to 4 files! But not sure how it all was arranged when it
comes to microphones ...? Does camera contain 4 of them?
or you were supposed to connect your own array?


Well, I think Steve Mullen's handbook for Sony FX7 (mine)
and V1 clarify there is only two audo channels on my FX7::

  * There is two types of HDV: HD1/720p (19 Mbps) and
HD2/1080i /25 Mbps) and Canon's 1080p24.
  * HD1 is recorded to DV tape using only the DV video
segment. The PCM audio segment is open for future use.
  * HD2 is recorded to DV tape using both the DV video
segment and the PCM audio segment. A small Subcode
(ITI) segment holds data such
  * as timecode. Because no PCM audio segments are
available, HD2 cannot carry record PCM audio.
  * MPEG-1 Audio:
  * Both HD1 and HD2 support two audio channels of audio
signals that are digitized with a 48kHz at 16-bit
quantization and compressed to
  * 384kbps by MPEG-1 Audio Layer 2 encoding. ProHD adds
two-channel PCM audio thus creating a format that can
carry four independent
  * channels of audio. (See Chapter 2 for an in-depth
introduction to MPEG-1 audio.)


yeah, seems to be rarely supported on HDV cameras, see

https://forum.blackmagicdesign.com/viewtopic.php?f=33=171688


but still!



https://ieba.wordpress.com/2008/01/21/hdv-grows-up-sonys-hvr-s270-and-hvr-z7/

=
*4-Channel Audio*
The HDV specification, like the DV specification, has allowed for
four-channel audio recording from the outset. Few cameras took
advantage of it, and when they did, it was an add-on that did not
maintain full balanced audio throughout. Though the smaller Sony
HVR-Z7 records only two channels of audio, the larger HVR-S270 has
two XLR inputs in the front of the camcorder and two XLR inputs on
the back of the camcorder. Each one has a separate audio level
control and an automatic level control switch on the side of the
camcorder.
=



and samples:

https://forum.doom9.org/archive/index.php/t-125966-p-46.html

=

As you can see 4 channel audio is part of the HDV format. I am not 
sure if there are actually 2 audiostreams or only 1. There is no way I 
can check this because the camera itself only outputs the 4 ch and no 
2 ch. But the computer will only play a 2 ch. But when you compare the 
MediaInfo audio information with the specs I expect that there are 2 
audio stream just like eac3to detects. It would be very very nice if 
HDV support can be integrated into eac3to because many professional 
cameramen are looking for an solution.


Currently eac3to extracts the m2v and 2ch audio stream fine. Only the 
4 channel stream isn't detected nor extracted. I uploaded 2 sample to 
my server for analysis:
http://tools.twanwintjes.nl/uploads/temp/00_0001_2010-11-07_153401.M2T 
(49 seconds / 152MB) - Right Click --> Save As
http://tools.twanwintjes.nl/uploads/temp/00_0002_2010-11-07_214302.M2T 
(44 seconds / 137MB) - Right Click --> Save As





yes, files still there :)


Yeah, I saw some of the forum threads and had a look on the sample files.
For me they the ffprobe outputs were identical with my own hdv.m2t files.
I think as Mullen wrote, the limit for miniDV or HDV tapes was utilized 
for 1080i HD2 with 25 Mbps.
Only the 720p HD2 format with 19 Mbps had PCM tracs

Re: [Cin] HDV is really 4 channel?

2024-01-16 Thread Andrew Randrianasulu via Cin 
ср, 17 янв. 2024 г., 01:14 Andrew Randrianasulu :

>
>
> ср, 17 янв. 2024 г., 01:04 Andrew Randrianasulu :
>
>>
>>
>> ср, 17 янв. 2024 г., 00:42 Terje J. Hanssen :
>>
>>>
>>>
>>> Den 16.01.2024 21:35, skrev Andrew Randrianasulu:
>>>
>>>
>>>
>>> вт, 16 янв. 2024 г., 23:30 Terje J. Hanssen :
>>>


 Den 16.01.2024 20:23, skrev Andrew Randrianasulu:

 https://trac.ffmpeg.org/ticket/1258

 see attached to this ticket  modded decoder ...

 I wonder if Terje's audio really 4ch? if so,may be we can decode it to
 4* wav first, then encode them correctly to bluray lpcm / dvd pcm / ac3 ...



 I did leave out some "empty channels" to simplify and clean up the
 post. Here are the full ffprobe output for the HDV source (mediainfo was
 complete):

>>>
>>>
>>> well, this ticket still open, so ffmpeg tools do not know yet about this
>>> .. extension? It decodes in compat stereo mode. I attached fixed decoder to
>>> this ticket, it will be interesting if you just run ffmpeg acodec copy
>>> command and then compile and run decoder on it .. it may decode to 4 files!
>>> But not sure how it all was arranged when it comes to microphones ...? Does
>>> camera contain 4 of them? or you were supposed to connect your own array?
>>>
>>>
>>> Well, I think Steve Mullen's handbook for Sony FX7 (mine) and V1 clarify
>>> there is only two audo channels on my FX7::
>>>
>>>- There is two types of HDV: HD1/720p (19 Mbps) and HD2/1080i /25
>>>Mbps) and Canon's 1080p24.
>>>- HD1 is recorded to DV tape using only the DV video segment. The
>>>PCM audio segment is open for future use.
>>>- HD2 is recorded to DV tape using both the DV video segment and the
>>>PCM audio segment. A small Subcode (ITI) segment holds data such
>>>- as timecode. Because no PCM audio segments are available, HD2
>>>cannot carry record PCM audio.
>>>- MPEG-1 Audio:
>>>- Both HD1 and HD2 support two audio channels of audio signals that
>>>are digitized with a 48kHz at 16-bit quantization and compressed to
>>>- 384kbps by MPEG-1 Audio Layer 2 encoding. ProHD adds two-channel
>>>PCM audio thus creating a format that can carry four independent
>>>- channels of audio. (See Chapter 2 for an in-depth introduction to
>>>MPEG-1 audio.)
>>>
>>>
>> yeah, seems to be rarely supported on HDV cameras, see
>>
>> https://forum.blackmagicdesign.com/viewtopic.php?f=33=171688
>>
>> but still!
>>
>
>
> https://ieba.wordpress.com/2008/01/21/hdv-grows-up-sonys-hvr-s270-and-hvr-z7/
>
> =
> *4-Channel Audio*
> The HDV specification, like the DV specification, has allowed for
> four-channel audio recording from the outset. Few cameras took advantage of
> it, and when they did, it was an add-on that did not maintain full balanced
> audio throughout. Though the smaller Sony HVR-Z7 records only two channels
> of audio, the larger HVR-S270 has two XLR inputs in the front of the
> camcorder and two XLR inputs on the back of the camcorder. Each one has a
> separate audio level control and an automatic level control switch on the
> side of the camcorder.
> =
>


and samples:

https://forum.doom9.org/archive/index.php/t-125966-p-46.html

=

As you can see 4 channel audio is part of the HDV format. I am not sure if
there are actually 2 audiostreams or only 1. There is no way I can check
this because the camera itself only outputs the 4 ch and no 2 ch. But the
computer will only play a 2 ch. But when you compare the MediaInfo audio
information with the specs I expect that there are 2 audio stream just like
eac3to detects. It would be very very nice if HDV support can be integrated
into eac3to because many professional cameramen are looking for an solution.

Currently eac3to extracts the m2v and 2ch audio stream fine. Only the 4
channel stream isn't detected nor extracted. I uploaded 2 sample to my
server for analysis:
http://tools.twanwintjes.nl/uploads/temp/00_0001_2010-11-07_153401.M2T (49
seconds / 152MB) - Right Click --> Save As
http://tools.twanwintjes.nl/uploads/temp/00_0002_2010-11-07_214302.M2T (44
seconds / 137MB) - Right Click --> Save As




yes, files still there :)


>
>
>>
>>
>>>
>>>
>>> ffprobe -hide_banner hdv07_05.m2t
 [mpeg2video @ 0x55d58a968340] Invalid frame dimensions 0x0.
 Last message repeated 7 times
 [mpegts @ 0x55d58a93e580] Could not find codec parameters for stream 2
 (Unknown: none ([160][0][0][0] / 0x00A0)): unknown codec
 Consider increasing the value for the 'analyzeduration' (0) and
 'probesize' (500) options
 [mpegts @ 0x55d58a93e580] Could not find codec parameters for stream 3
 (Unknown: none ([161][0][0][0] / 0x00A1)): unknown codec
 Consider increasing the value for the 'analyzeduration' (0) and
 'probesize' (500) options
 Input #0, mpegts, from 'hdv07_05.m2t':
   Duration: 00:06:58.27, start: 3276.528000, bitrate: 25626 kb/s
   Program 100
   Stream

Re: [Cin] HDV is really 4 channel?

2024-01-16 Thread Andrew Randrianasulu via Cin 
ср, 17 янв. 2024 г., 01:04 Andrew Randrianasulu :

>
>
> ср, 17 янв. 2024 г., 00:42 Terje J. Hanssen :
>
>>
>>
>> Den 16.01.2024 21:35, skrev Andrew Randrianasulu:
>>
>>
>>
>> вт, 16 янв. 2024 г., 23:30 Terje J. Hanssen :
>>
>>>
>>>
>>> Den 16.01.2024 20:23, skrev Andrew Randrianasulu:
>>>
>>> https://trac.ffmpeg.org/ticket/1258
>>>
>>> see attached to this ticket  modded decoder ...
>>>
>>> I wonder if Terje's audio really 4ch? if so,may be we can decode it to
>>> 4* wav first, then encode them correctly to bluray lpcm / dvd pcm / ac3 ...
>>>
>>>
>>>
>>> I did leave out some "empty channels" to simplify and clean up the post.
>>> Here are the full ffprobe output for the HDV source (mediainfo was
>>> complete):
>>>
>>
>>
>> well, this ticket still open, so ffmpeg tools do not know yet about this
>> .. extension? It decodes in compat stereo mode. I attached fixed decoder to
>> this ticket, it will be interesting if you just run ffmpeg acodec copy
>> command and then compile and run decoder on it .. it may decode to 4 files!
>> But not sure how it all was arranged when it comes to microphones ...? Does
>> camera contain 4 of them? or you were supposed to connect your own array?
>>
>>
>> Well, I think Steve Mullen's handbook for Sony FX7 (mine) and V1 clarify
>> there is only two audo channels on my FX7::
>>
>>- There is two types of HDV: HD1/720p (19 Mbps) and HD2/1080i /25
>>Mbps) and Canon's 1080p24.
>>- HD1 is recorded to DV tape using only the DV video segment. The PCM
>>audio segment is open for future use.
>>- HD2 is recorded to DV tape using both the DV video segment and the
>>PCM audio segment. A small Subcode (ITI) segment holds data such
>>- as timecode. Because no PCM audio segments are available, HD2
>>cannot carry record PCM audio.
>>- MPEG-1 Audio:
>>- Both HD1 and HD2 support two audio channels of audio signals that
>>are digitized with a 48kHz at 16-bit quantization and compressed to
>>- 384kbps by MPEG-1 Audio Layer 2 encoding. ProHD adds two-channel
>>PCM audio thus creating a format that can carry four independent
>>- channels of audio. (See Chapter 2 for an in-depth introduction to
>>MPEG-1 audio.)
>>
>>
> yeah, seems to be rarely supported on HDV cameras, see
>
> https://forum.blackmagicdesign.com/viewtopic.php?f=33=171688
>
> but still!
>

https://ieba.wordpress.com/2008/01/21/hdv-grows-up-sonys-hvr-s270-and-hvr-z7/

=
*4-Channel Audio*
The HDV specification, like the DV specification, has allowed for
four-channel audio recording from the outset. Few cameras took advantage of
it, and when they did, it was an add-on that did not maintain full balanced
audio throughout. Though the smaller Sony HVR-Z7 records only two channels
of audio, the larger HVR-S270 has two XLR inputs in the front of the
camcorder and two XLR inputs on the back of the camcorder. Each one has a
separate audio level control and an automatic level control switch on the
side of the camcorder.
=



>
>
>>
>>
>> ffprobe -hide_banner hdv07_05.m2t
>>> [mpeg2video @ 0x55d58a968340] Invalid frame dimensions 0x0.
>>> Last message repeated 7 times
>>> [mpegts @ 0x55d58a93e580] Could not find codec parameters for stream 2
>>> (Unknown: none ([160][0][0][0] / 0x00A0)): unknown codec
>>> Consider increasing the value for the 'analyzeduration' (0) and
>>> 'probesize' (500) options
>>> [mpegts @ 0x55d58a93e580] Could not find codec parameters for stream 3
>>> (Unknown: none ([161][0][0][0] / 0x00A1)): unknown codec
>>> Consider increasing the value for the 'analyzeduration' (0) and
>>> 'probesize' (500) options
>>> Input #0, mpegts, from 'hdv07_05.m2t':
>>>   Duration: 00:06:58.27, start: 3276.528000, bitrate: 25626 kb/s
>>>   Program 100
>>>   Stream #0:0[0x810]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002),
>>> yuv420p(tv, bt709, top first), 1440x1080 [SAR 4:3 DAR 16:9], 25000 kb/s, 25
>>> fps, 25 tbr, 90k tbn, 50 tbc
>>> Side data:
>>>   cpb: bitrate max/min/avg: 2500/0/0 buffer size: 7340032
>>> vbv_delay: N/A
>>>   Stream #0:1[0x814]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz,
>>> stereo, fltp, 384 kb/s
>>>   Stream #0:2[0x815]: Unknown: none ([160][0][0][0] / 0x00A0)
>>>   Stream #0:3[0x811]: Unknown: none ([161][0][0][0] / 0x00A1)
>>> Unsupported codec with id 0 for input stream 2
>>> Unsupported codec with id 0 for input stream 3
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
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Re: [Cin] HDV is really 4 channel?

2024-01-16 Thread Andrew Randrianasulu via Cin 
ср, 17 янв. 2024 г., 00:42 Terje J. Hanssen :

>
>
> Den 16.01.2024 21:35, skrev Andrew Randrianasulu:
>
>
>
> вт, 16 янв. 2024 г., 23:30 Terje J. Hanssen :
>
>>
>>
>> Den 16.01.2024 20:23, skrev Andrew Randrianasulu:
>>
>> https://trac.ffmpeg.org/ticket/1258
>>
>> see attached to this ticket  modded decoder ...
>>
>> I wonder if Terje's audio really 4ch? if so,may be we can decode it to 4*
>> wav first, then encode them correctly to bluray lpcm / dvd pcm / ac3 ...
>>
>>
>>
>> I did leave out some "empty channels" to simplify and clean up the post.
>> Here are the full ffprobe output for the HDV source (mediainfo was
>> complete):
>>
>
>
> well, this ticket still open, so ffmpeg tools do not know yet about this
> .. extension? It decodes in compat stereo mode. I attached fixed decoder to
> this ticket, it will be interesting if you just run ffmpeg acodec copy
> command and then compile and run decoder on it .. it may decode to 4 files!
> But not sure how it all was arranged when it comes to microphones ...? Does
> camera contain 4 of them? or you were supposed to connect your own array?
>
>
> Well, I think Steve Mullen's handbook for Sony FX7 (mine) and V1 clarify
> there is only two audo channels on my FX7::
>
>- There is two types of HDV: HD1/720p (19 Mbps) and HD2/1080i /25
>Mbps) and Canon's 1080p24.
>- HD1 is recorded to DV tape using only the DV video segment. The PCM
>audio segment is open for future use.
>- HD2 is recorded to DV tape using both the DV video segment and the
>PCM audio segment. A small Subcode (ITI) segment holds data such
>- as timecode. Because no PCM audio segments are available, HD2 cannot
>carry record PCM audio.
>- MPEG-1 Audio:
>- Both HD1 and HD2 support two audio channels of audio signals that
>are digitized with a 48kHz at 16-bit quantization and compressed to
>- 384kbps by MPEG-1 Audio Layer 2 encoding. ProHD adds two-channel PCM
>audio thus creating a format that can carry four independent
>- channels of audio. (See Chapter 2 for an in-depth introduction to
>MPEG-1 audio.)
>
>
yeah, seems to be rarely supported on HDV cameras, see

https://forum.blackmagicdesign.com/viewtopic.php?f=33=171688

but still!



>
>
> ffprobe -hide_banner hdv07_05.m2t
>> [mpeg2video @ 0x55d58a968340] Invalid frame dimensions 0x0.
>> Last message repeated 7 times
>> [mpegts @ 0x55d58a93e580] Could not find codec parameters for stream 2
>> (Unknown: none ([160][0][0][0] / 0x00A0)): unknown codec
>> Consider increasing the value for the 'analyzeduration' (0) and
>> 'probesize' (500) options
>> [mpegts @ 0x55d58a93e580] Could not find codec parameters for stream 3
>> (Unknown: none ([161][0][0][0] / 0x00A1)): unknown codec
>> Consider increasing the value for the 'analyzeduration' (0) and
>> 'probesize' (500) options
>> Input #0, mpegts, from 'hdv07_05.m2t':
>>   Duration: 00:06:58.27, start: 3276.528000, bitrate: 25626 kb/s
>>   Program 100
>>   Stream #0:0[0x810]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002),
>> yuv420p(tv, bt709, top first), 1440x1080 [SAR 4:3 DAR 16:9], 25000 kb/s, 25
>> fps, 25 tbr, 90k tbn, 50 tbc
>> Side data:
>>   cpb: bitrate max/min/avg: 2500/0/0 buffer size: 7340032
>> vbv_delay: N/A
>>   Stream #0:1[0x814]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz,
>> stereo, fltp, 384 kb/s
>>   Stream #0:2[0x815]: Unknown: none ([160][0][0][0] / 0x00A0)
>>   Stream #0:3[0x811]: Unknown: none ([161][0][0][0] / 0x00A1)
>> Unsupported codec with id 0 for input stream 2
>> Unsupported codec with id 0 for input stream 3
>>
>>
>>
>>
>>
>>
>
>
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Re: [Cin] HDV is really 4 channel?

2024-01-16 Thread Terje J. Hanssen via Cin 



Den 16.01.2024 21:35, skrev Andrew Randrianasulu:



вт, 16 янв. 2024 г., 23:30 Terje J. Hanssen :



Den 16.01.2024 20:23, skrev Andrew Randrianasulu:

https://trac.ffmpeg.org/ticket/1258

see attached to this ticket  modded decoder ...

I wonder if Terje's audio really 4ch? if so,may be we can decode
it to 4* wav first, then encode them correctly to bluray lpcm /
dvd pcm / ac3 ...



I did leave out some "empty channels" to simplify and clean up the
post. Here are the full ffprobe output for the HDV source
(mediainfo was complete):



well, this ticket still open, so ffmpeg tools do not know yet about 
this .. extension? It decodes in compat stereo mode. I attached fixed 
decoder to this ticket, it will be interesting if you just run ffmpeg 
acodec copy command and then compile and run decoder on it .. it may 
decode to 4 files! But not sure how it all was arranged when it comes 
to microphones ...? Does camera contain 4 of them? or you were 
supposed to connect your own array?


Well, I think Steve Mullen's handbook for Sony FX7 (mine) and V1 clarify 
there is only two audo channels on my FX7::


 * There is two types of HDV: HD1/720p (19 Mbps) and HD2/1080i /25
   Mbps) and Canon's 1080p24.
 * HD1 is recorded to DV tape using only the DV video segment. The PCM
   audio segment is open for future use.
 * HD2 is recorded to DV tape using both the DV video segment and the
   PCM audio segment. A small Subcode (ITI) segment holds data such
 * as timecode. Because no PCM audio segments are available, HD2 cannot
   carry record PCM audio.
 * MPEG-1 Audio:
 * Both HD1 and HD2 support two audio channels of audio signals that
   are digitized with a 48kHz at 16-bit quantization and compressed to
 * 384kbps by MPEG-1 Audio Layer 2 encoding. ProHD adds two-channel PCM
   audio thus creating a format that can carry four independent
 * channels of audio. (See Chapter 2 for an in-depth introduction to
   MPEG-1 audio.)



ffprobe -hide_banner hdv07_05.m2t
[mpeg2video @ 0x55d58a968340] Invalid frame dimensions 0x0.
    Last message repeated 7 times
[mpegts @ 0x55d58a93e580] Could not find codec parameters for
stream 2 (Unknown: none ([160][0][0][0] / 0x00A0)): unknown codec
Consider increasing the value for the 'analyzeduration' (0)
and 'probesize' (500) options
[mpegts @ 0x55d58a93e580] Could not find codec parameters for
stream 3 (Unknown: none ([161][0][0][0] / 0x00A1)): unknown codec
Consider increasing the value for the 'analyzeduration' (0)
and 'probesize' (500) options
Input #0, mpegts, from 'hdv07_05.m2t':
Duration: 00:06:58.27, start: 3276.528000, bitrate: 25626 kb/s
  Program 100
  Stream #0:0[0x810]: Video: mpeg2video (Main) ([2][0][0][0] /
0x0002), yuv420p(tv, bt709, top first), 1440x1080 [SAR 4:3 DAR
16:9], 25000 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc
    Side data:
cpb: bitrate max/min/avg: 2500/0/0 buffer size: 7340032
vbv_delay: N/A
  Stream #0:1[0x814]: Audio: mp2 ([3][0][0][0] / 0x0003),
48000 Hz, stereo, fltp, 384 kb/s
  Stream #0:2[0x815]: Unknown: none ([160][0][0][0] / 0x00A0)
  Stream #0:3[0x811]: Unknown: none ([161][0][0][0] / 0x00A1)
Unsupported codec with id 0 for input stream 2
Unsupported codec with id 0 for input stream 3





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Re: [Cin] HDV is really 4 channel?

2024-01-16 Thread Andrew Randrianasulu via Cin 
вт, 16 янв. 2024 г., 23:30 Terje J. Hanssen :

>
>
> Den 16.01.2024 20:23, skrev Andrew Randrianasulu:
>
> https://trac.ffmpeg.org/ticket/1258
>
> see attached to this ticket  modded decoder ...
>
> I wonder if Terje's audio really 4ch? if so,may be we can decode it to 4*
> wav first, then encode them correctly to bluray lpcm / dvd pcm / ac3 ...
>
>
>
> I did leave out some "empty channels" to simplify and clean up the post.
> Here are the full ffprobe output for the HDV source (mediainfo was
> complete):
>


well, this ticket still open, so ffmpeg tools do not know yet about this ..
extension? It decodes in compat stereo mode. I attached fixed decoder to
this ticket, it will be interesting if you just run ffmpeg acodec copy
command and then compile and run decoder on it .. it may decode to 4 files!
But not sure how it all was arranged when it comes to microphones ...? Does
camera contain 4 of them? or you were supposed to connect your own array?

> ffprobe -hide_banner hdv07_05.m2t
> [mpeg2video @ 0x55d58a968340] Invalid frame dimensions 0x0.
> Last message repeated 7 times
> [mpegts @ 0x55d58a93e580] Could not find codec parameters for stream 2
> (Unknown: none ([160][0][0][0] / 0x00A0)): unknown codec
> Consider increasing the value for the 'analyzeduration' (0) and
> 'probesize' (500) options
> [mpegts @ 0x55d58a93e580] Could not find codec parameters for stream 3
> (Unknown: none ([161][0][0][0] / 0x00A1)): unknown codec
> Consider increasing the value for the 'analyzeduration' (0) and
> 'probesize' (500) options
> Input #0, mpegts, from 'hdv07_05.m2t':
>   Duration: 00:06:58.27, start: 3276.528000, bitrate: 25626 kb/s
>   Program 100
>   Stream #0:0[0x810]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002),
> yuv420p(tv, bt709, top first), 1440x1080 [SAR 4:3 DAR 16:9], 25000 kb/s, 25
> fps, 25 tbr, 90k tbn, 50 tbc
> Side data:
>   cpb: bitrate max/min/avg: 2500/0/0 buffer size: 7340032
> vbv_delay: N/A
>   Stream #0:1[0x814]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz,
> stereo, fltp, 384 kb/s
>   Stream #0:2[0x815]: Unknown: none ([160][0][0][0] / 0x00A0)
>   Stream #0:3[0x811]: Unknown: none ([161][0][0][0] / 0x00A1)
> Unsupported codec with id 0 for input stream 2
> Unsupported codec with id 0 for input stream 3
>
>
>
>
>
>
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Re: [Cin] HDV is really 4 channel?

2024-01-16 Thread Terje J. Hanssen via Cin 



Den 16.01.2024 20:23, skrev Andrew Randrianasulu:

https://trac.ffmpeg.org/ticket/1258

see attached to this ticket  modded decoder ...

I wonder if Terje's audio really 4ch? if so,may be we can decode it to 
4* wav first, then encode them correctly to bluray lpcm / dvd pcm / 
ac3 ...



I did leave out some "empty channels" to simplify and clean up the post. 
Here are the full ffprobe output for the HDV source (mediainfo was 
complete):


   ffprobe -hide_banner hdv07_05.m2t
   [mpeg2video @ 0x55d58a968340] Invalid frame dimensions 0x0.
    Last message repeated 7 times
   [mpegts @ 0x55d58a93e580] Could not find codec parameters for stream
   2 (Unknown: none ([160][0][0][0] / 0x00A0)): unknown codec
   Consider increasing the value for the 'analyzeduration' (0) and
   'probesize' (500) options
   [mpegts @ 0x55d58a93e580] Could not find codec parameters for stream
   3 (Unknown: none ([161][0][0][0] / 0x00A1)): unknown codec
   Consider increasing the value for the 'analyzeduration' (0) and
   'probesize' (500) options
   Input #0, mpegts, from 'hdv07_05.m2t':
  Duration: 00:06:58.27, start: 3276.528000, bitrate: 25626 kb/s
  Program 100
  Stream #0:0[0x810]: Video: mpeg2video (Main) ([2][0][0][0] /
   0x0002), yuv420p(tv, bt709, top first), 1440x1080 [SAR 4:3 DAR
   16:9], 25000 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc
    Side data:
  cpb: bitrate max/min/avg: 2500/0/0 buffer size: 7340032
   vbv_delay: N/A
  Stream #0:1[0x814]: Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz,
   stereo, fltp, 384 kb/s
  Stream #0:2[0x815]: Unknown: none ([160][0][0][0] / 0x00A0)
  Stream #0:3[0x811]: Unknown: none ([161][0][0][0] / 0x00A1)
   Unsupported codec with id 0 for input stream 2
   Unsupported codec with id 0 for input stream 3




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