February 2008 - NUT-devel - lists.mplayerhq.hu

[nut]: r613 - docs/nutissues.txt
by michael 17 Feb '08

17 Feb '08

Author: michael Date: Tue Feb 12 16:00:09 2008 New Revision: 613 Log: More about interleaving. Modified: docs/nutissues.txt Modified: docs/nutissues.txt ============================================================================== --- docs/nutissues.txt (original) +++ docs/nutissues.txt Tue Feb 12 16:00:09 2008 @@ -162,3 +162,8 @@ How do we identify the interleaving A. fourcc B. extradata C. New field in the stream header +D. Only allow 1 standard interleaving + +What about the interleaving of non raw codecs, do all specify the +interleaving, or does any leave it to the container? If so, our options +would be down to only C.

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[nut]: r638 - docs/nut.txt
by ods15 15 Feb '08

15 Feb '08

Author: ods15 Date: Fri Feb 15 07:33:16 2008 New Revision: 638 Log: Clarify that frame size includes the elision header size Modified: docs/nut.txt Modified: docs/nut.txt ============================================================================== --- docs/nut.txt (original) +++ docs/nut.txt Fri Feb 15 07:33:16 2008 @@ -677,8 +677,10 @@ reserved_count[frame_code] (v) MUST be <256. data_size - The size of the following frame. data_size = data_size_lsb + data_size_msb * data_size_mul ; + The size of the following frame, including a possible elision header. + If data_size is 500 bytes, and it has an elision header of 10 bytes, + then the stored frame data following the frame header is 490 bytes. coded_pts (v) If coded_pts < ( 1 << msb_pts_shift ) then it is an lsb

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[nut]: r637 - docs/nut.txt
by michael 14 Feb '08

14 Feb '08

Author: michael Date: Thu Feb 14 03:16:54 2008 New Revision: 637 Log: 3rd try of defining a codec frame for raw video. Modified: docs/nut.txt Modified: docs/nut.txt ============================================================================== --- docs/nut.txt (original) +++ docs/nut.txt Thu Feb 14 03:16:54 2008 @@ -1073,7 +1073,7 @@ single codec frame. A muxer MUST NOT sto codec frame per NUT frame. For RAW audio up to 4096 samples shall be considered 1 codec frame, the actual number of samples MAY vary between NUT frames. -For RAW video a single picture shall be 1 codec frame. +For raw video a codec frame is one video picture. Sample code (Public Domain, & untested):

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[nut]: r632 - docs/nut.txt
by michael 14 Feb '08

14 Feb '08

Author: michael Date: Wed Feb 13 19:54:57 2008 New Revision: 632 Log: typo Modified: docs/nut.txt Modified: docs/nut.txt ============================================================================== --- docs/nut.txt (original) +++ docs/nut.txt Wed Feb 13 19:54:57 2008 @@ -1073,7 +1073,7 @@ single codec frame. A muxer MUST NOT sto codec frame per NUT frame. For RAW audio up to 4096 samples shall be considered 1 codec frame, the actual number of samples MAY vary between NUT frames. -For RAW video a single frames shall be 1 codec frame. +For RAW video a single frame shall be 1 codec frame. Sample code (Public Domain, & untested):

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[nut]: r636 - docs/nut.txt
by michael 14 Feb '08

14 Feb '08

Author: michael Date: Wed Feb 13 20:26:30 2008 New Revision: 636 Log: maybe better? Modified: docs/nut.txt Modified: docs/nut.txt ============================================================================== --- docs/nut.txt (original) +++ docs/nut.txt Wed Feb 13 20:26:30 2008 @@ -1073,7 +1073,7 @@ single codec frame. A muxer MUST NOT sto codec frame per NUT frame. For RAW audio up to 4096 samples shall be considered 1 codec frame, the actual number of samples MAY vary between NUT frames. -For RAW video a single frame shall be 1 codec frame. +For RAW video a single picture shall be 1 codec frame. Sample code (Public Domain, & untested):

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[nut]: r635 - docs/nut4cc.txt
by michael 13 Feb '08

13 Feb '08

Author: michael Date: Wed Feb 13 20:22:46 2008 New Revision: 635 Log: non compliant mpeg4 variants Modified: docs/nut4cc.txt Modified: docs/nut4cc.txt ============================================================================== --- docs/nut4cc.txt (original) +++ docs/nut4cc.txt Wed Feb 13 20:22:46 2008 @@ -10,10 +10,12 @@ For codecs which do not have a fourcc in us so we can add them to the list. +3IV1 non compliant MPEG4 generated by old 3ivx ASV1 Asus Video ASV2 Asus Video 2 CVID Cinepak CYUV Creative YUV +DIVX non compliant MPEG4 generated by old divx DUCK Truemotion 1 FFV1 FFmpeg video 1 FFVH FFmpeg Huffyuv @@ -49,6 +51,7 @@ SVQ1 Sorenson Video 1 SVQ3 Sorenson Video 3 theo Xiph theora TM20 Truemotion 2.0 +UMP4 non compliant MPEG4 generated by UB Video MPEG-4 VCR1 ATI VCR1 VP30 VP 3.0 VP31 VP 3.1 @@ -59,7 +62,10 @@ VP61 VP 6.2 WMV1 MS WMV7 WMV2 MS WMV8 WMV3 MS WMV9 +WV1F non compliant MPEG4 generated by ? WVC1 VC-1 +XVID non compliant MPEG4 generated by old xvid +XVIX non compliant MPEG4 generated by old xvid with interlacing bug Raw video: [x] is a byte with value x YV12 Planar 4:2:0 YUV

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[nut]: r619 - docs/nut.txt
by michael 13 Feb '08

13 Feb '08

Author: michael Date: Wed Feb 13 13:20:28 2008 New Revision: 619 Log: Ensure that match_time_delta[frame_code] fits in 16bit. Modified: docs/nut.txt Modified: docs/nut.txt ============================================================================== --- docs/nut.txt (original) +++ docs/nut.txt Wed Feb 13 13:20:28 2008 @@ -678,7 +678,7 @@ coded_pts (v) delta = last_pts - mask / 2 pts = ( (pts_lsb - delta) & mask ) + delta -match_time_delta +match_time_delta (s) This is the time difference in stream timebase units from the pts at which the output from the decoder has converged independent from the availability of previous frames (that is the frames are virtually identical no matter @@ -688,6 +688,11 @@ match_time_delta A muxer MUST only set it to 1-(1<<62) if it does not know the correct value. That is, it is not allowed to randomly discard known values. +match_time_delta[frame_code] (s) + If FLAG_MATCH_TIME is not set then this value shall be used for + match_time_delta, otherwise this value is ignored. + MUST be <32786 and >-32768 or =1-(1<<62) + lsb_pts Least significant bits of the pts in time_base precision. Example: IBBP display order

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[nut]: r634 - docs/nut4cc.txt
by michael 13 Feb '08

13 Feb '08

Author: michael Date: Wed Feb 13 20:08:52 2008 New Revision: 634 Log: typo Modified: docs/nut4cc.txt Modified: docs/nut4cc.txt ============================================================================== --- docs/nut4cc.txt (original) +++ docs/nut4cc.txt Wed Feb 13 20:08:52 2008 @@ -34,7 +34,7 @@ MP42 MS MPEG4v2 MP43 MS MPEG4v3 MP4V ISO MPEG4 Part 2 Video !for non compliant mpeg4 like old divx4/odivx use the respective - fourcc, this fourcc is only for fully comliant mpeg4! + fourcc, this fourcc is only for fully compliant mpeg4! mpg1 ISO MPEG1 Video mpg2 ISO MPEG2 Video MRLE MS RLE

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[nut]: r633 - docs/nutissues.txt
by michael 13 Feb '08

13 Feb '08

Author: michael Date: Wed Feb 13 20:04:31 2008 New Revision: 633 Log: "With the specified bounds" Modified: docs/nutissues.txt Modified: docs/nutissues.txt ============================================================================== --- docs/nutissues.txt (original) +++ docs/nutissues.txt Wed Feb 13 20:04:31 2008 @@ -139,7 +139,7 @@ D. Use header compression, that is allow would allow us to store the size of a frame without any redundancy. Thus effectivly avoiding the overhead small frames cause. -It seems the consensus is: A+D +It seems the consensus is: A+D With the specified bounds Issue pcm-frames

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[nut]: r631 - docs/nut.txt
by michael 13 Feb '08

13 Feb '08

Author: michael Date: Wed Feb 13 19:54:27 2008 New Revision: 631 Log: raw video frame definition Modified: docs/nut.txt Modified: docs/nut.txt ============================================================================== --- docs/nut.txt (original) +++ docs/nut.txt Wed Feb 13 19:54:27 2008 @@ -1073,6 +1073,7 @@ single codec frame. A muxer MUST NOT sto codec frame per NUT frame. For RAW audio up to 4096 samples shall be considered 1 codec frame, the actual number of samples MAY vary between NUT frames. +For RAW video a single frames shall be 1 codec frame. Sample code (Public Domain, & untested):

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