AVID DNxHR Playback - No chance?

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AVID DNxHR Playback - No chance?

Post by eriklieders on Sat May 30, 2015 10:28 pm

Trying to play intermediate video (Avid DNxHR Codec\ MOV container)... Sound is playing. Video is not.


LAV Splitter Source (internal)::Video

Media Type 0:
--------------------------
Video: AVDH 1920x839 24fps 274464kbps

AM_MEDIA_TYPE:
majortype: MEDIATYPE_Video {73646976-0000-0010-8000-00AA00389B71}
subtype: Unknown GUID Name {68645641-0000-0010-8000-00AA00389B71}
formattype: FORMAT_VideoInfo2 {F72A76A0-EB0A-11D0-ACE4-0000C0CC16BA}
bFixedSizeSamples: 0
bTemporalCompression: 1
lSampleSize: 1
cbFormat: 112

VIDEOINFOHEADER:
rcSource: (0,0)-(1920,839)
rcTarget: (0,0)-(1920,839)
dwBitRate: 274464768
dwBitErrorRate: 0
AvgTimePerFrame: 416667

VIDEOINFOHEADER2:
dwInterlaceFlags: 0x00000000
dwCopyProtectFlags: 0x00000000
dwPictAspectRatioX: 1920
dwPictAspectRatioY: 839
dwControlFlags: 0x00000000
dwReserved2: 0x00000000

BITMAPINFOHEADER:
biSize: 40
biWidth: 1920
biHeight: 839
biPlanes: 1
biBitCount: 24
biCompression: AVdh
biSizeImage: 4832640
biXPelsPerMeter: 0
biYPelsPerMeter: 0
biClrUsed: 0
biClrImportant: 0

pbFormat:
0000: 00 00 00 00 00 00 00 00 80 07 00 00 47 03 00 00 ........Ђ...G...
0010: 00 00 00 00 00 00 00 00 80 07 00 00 47 03 00 00 ........Ђ...G...
0020: 00 00 5c 10 00 00 00 00 9b 5b 06 00 00 00 00 00 ..\.....›[......
0030: 00 00 00 00 00 00 00 00 80 07 00 00 47 03 00 00 ........Ђ...G...
0040: 00 00 00 00 00 00 00 00 28 00 00 00 80 07 00 00 ........(...Ђ...
0050: 47 03 00 00 01 00 18 00 41 56 64 68 80 bd 49 00 G.......AVdhЂЅI.
0060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................

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Re: AVID DNxHR Playback - No chance?

Post by Admin on Sun May 31, 2015 12:50 am

It should be possible to add support for that format, as the underlying decoding library already supports it.

Can you upload a (short) sample file for me to test with?
http://www.sendspace.com

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Re: AVID DNxHR Playback - No chance?

Post by eriklieders on Sun May 31, 2015 1:51 am

Codec is new one (March 2015) and uses QT libraries

Here is the link: sendspace.com erjwap

Sample (2 sec) hasn´t audio channel.

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Re: AVID DNxHR Playback - No chance?

Post by Admin on Sun May 31, 2015 4:06 am

I thought it was DNxHD. For new formats like this it takes a while before a decoder is available. Once it is supported by FFmpeg, it will be playable with the codec pack.

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Re: AVID DNxHR Playback - No chance?

Post by eriklieders on Sun May 31, 2015 4:13 am

Admin wrote:I thought it was DNxHD. For new formats like this it takes a while before a decoder is available. Once it is supported by FFmpeg, it will be playable with the codec pack.

Quicktime Player plays DNxHR video (but it has very poor perfomance for workflow). Also I have free codec pack from AVID (With DNxHR codec), but it seems like it installs just QT version.

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Re: AVID DNxHR Playback - No chance?

Post by Admin on Sun May 31, 2015 4:19 am

The codec pack does not use any commercial stuff. Just free and open-source codecs.

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Re: AVID DNxHR Playback - No chance?

Post by eriklieders on Sun May 31, 2015 4:30 am

Admin wrote:The codec pack does not use any commercial stuff. Just free and open-source codecs.
i doubt that avid will push this decoders to the public. But maybe sometimes...

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Re: AVID DNxHR Playback - No chance?

Post by Admin on Sun May 31, 2015 11:34 am

It does not depend on Avid. The FFmpeg project writes its own decoders. They use format specifications when available, and if not, use reverse engineering. It is just a matter of time.

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Re: AVID DNxHR Playback - No chance?

Post by eriklieders on Sun Jul 12, 2015 9:25 am

Admin wrote:It does not depend on Avid. The FFmpeg project writes its own decoders. They use format specifications when available, and if not, use reverse engineering. It is just a matter of time.

I found the solution. When i install QTAlternative 3.2.2 WITH Media Player Classic (Version 6.4.9.1 Revision 107) integrated in installation pack... It plays new Avid DNxHR video.
But new version MPC doesnt! Where is a key?

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Re: AVID DNxHR Playback - No chance?

Post by Admin on Sun Jul 12, 2015 10:46 am

QT Lite is a bit less ancient than QTA. But better is to use regular QuickTime.

To use QuickTime in MPC-HC:
1) You must use the 32-bit version (because QuickTime is also 32-bit). Do an Advanced/Expert install of the codec pack. Then you can select 32-bit MPC-HC. The pack otherwise uses the 64-bit by default.
2) MPC-HC Options > Player > Formats > QuickTime Movie > change DirectShow to QuickTime

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Re: AVID DNxHR Playback - No chance?

Post by Admin on Mon Oct 05, 2015 11:01 pm

Partial support for this format was added to FFmpeg project today. A future version of the codec pack should be able to play the file.

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Re: AVID DNxHR Playback - No chance?

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