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234 Commits

Author SHA1 Message Date
Saxon Milton f8f78947f9 Merged in picture-order-count (pull request #249) 
codec/h264/h264dec/decode.go: decoding process for picture order count

Approved-by: Alan Noble <anoble@gmail.com>
 2019-09-20 02:37:33 +00:00
Saxon Milton 1fba7556dd Merged in total-coeff-and-trailing-ones (pull request #243) 
codec/h264/h264dec: parsing process for TotalCoeff and TrailingOnes

Approved-by: Alan Noble <anoble@gmail.com>
 2019-09-20 00:38:58 +00:00
Saxon 4c7f36ee36 codec/h264/h264dec/decode.go: slightly simplified if-else statements regarding BottomField and FieldPic 2019-09-18 19:41:32 +09:30
Saxon 117a75ae55 codec/h264/h264dec: simplified logic where there are things applicable to non-IDRs, which we don't handle yet. 2019-09-16 22:07:57 +09:30
Saxon 89452d55d3 codec/h264/h264dec/cavlc.go: simplified logic in loop to count leading zeros in formCoeffTokenMap 2019-09-13 11:21:00 +09:30
Trek H 2c7e28206d Merge branch 'master' into adpcm-mts 2019-09-12 21:11:50 +09:30
Trek H 96035f6d8b adpcm and mts: comments and pid change 2019-09-12 19:16:11 +09:30
Saxon ecdaab175b codec/h264/parse.go: skip over access unit delimiters when getting nalType 2019-09-11 09:47:37 +09:30
Saxon 5939db6f1b codec/h264/h264dec/decode.go: using if else structures for topFieldOrderCnt/bottomFieldOrderCnt value derivations in decodePicOrderCntType2 2019-09-10 12:12:08 +09:30
Saxon 40fa50d4f0 codec/h264/h264dec/decode.go: using if else structure for derivation of topFieldOrderCnt and bottomFieldOrderCnt in decodePicOrderCntType1 function 2019-09-10 12:06:35 +09:30
Saxon 0df182018a codec/h264/h264dec/decode.go: using else if structure instead of switch to derive value of vid.picOrderCntMsb 2019-09-10 11:32:46 +09:30
Saxon 88857ec5b9 codec/h264/h264dec/cavlc.go: fixed error message that's returned on failure to read coeffTokenTable string 2019-09-10 11:22:25 +09:30
Saxon 445649311b codec/h264/h264dec/cavlc.go: added process to comgine level and run information 2019-09-09 17:05:22 +09:30
Saxon 05e16ec260 codec/h264/h2646dec/cavlc.go: fixed build error caused by rebase 2019-09-09 16:48:10 +09:30
Saxon d78ca2d2d2 codec/h264/h264dec/cavlctab.go: commented const string representation of table 9-5. 2019-09-09 16:41:26 +09:30
Saxon 42a1918c0d codec/h264/h264dec: using const string instead of CSV file to hold table 9-5. Also made some other minor improvements 2019-09-09 16:41:26 +09:30
Saxon 92eb3e85a5 codec/h264/h264dec: created tokenMap type to make things more readable 2019-09-09 16:41:26 +09:30
Saxon 8316a621b9 codec/h264/h264dec/cavlc.go: fix comment inside parseTotalCoeffAndTrailingOnes 2019-09-09 16:41:26 +09:30
Saxon 4aa71e901c codec/h264/h264dec: put function parameters on one line for parseTotalCoeffAndTrailingOnes 2019-09-09 16:41:26 +09:30
Saxon 61a5065556 codec/h264/h264dec: added functions to get TrailingOnes and TotalCoeff as well as testing 
The functions firstly derive the value of nC and then read the value of coeff_token from the BitReader. The table read prior and loaded into
a 'map' is then used to get the corresponding values of TrailingOnes and TotalCoef.
 2019-09-09 16:41:26 +09:30
Saxon ee9281925e codec/h264/h264dec: added functions for loading table 9-5 CSV into [nColumns]map[int]map[int][2]int with testing 2019-09-09 16:41:26 +09:30
Saxon e614633cbd codec/h264/h264dec: added CSV representation of table 9-5 from H.264 specifications 2019-09-09 16:40:42 +09:30
Saxon 245edafa68 codec/h264/h264dec: added binToInt function and test 
This function will convert binary provided as a string and return as int.
 2019-09-09 16:40:42 +09:30
Saxon Milton 614f42ec2c Merged in level-information (pull request #245) 
codec/h264/h264dec: add function for parsing level information using process in section 9.2.2 of specifications

Approved-by: Alan Noble <anoble@gmail.com>
 2019-09-09 06:56:59 +00:00
Saxon 31179205b9 codec/h264/264dec/decode.go: added decodePicOrderCnt to return topFieldOrderCnt and bottomFieldOrderCnt based on picOrderCntType 
Also added placeholder for a general 'decode' function.
 2019-09-09 16:18:39 +09:30
Saxon c0be9b1910 codec/h264/h264dec/decode.go: added picOrderCntType2 to derive topfieldOrderCnt and bottomFieldOrderCnt for when picOrderCntType == 2 2019-09-09 13:26:46 +09:30
Saxon 43118814fb codec/h264/h264dec/decode.go: added picOrderCntType1 to derive topfieldOrderCnt and bottomFieldOrderCnt for when picOrderCntType == 1 2019-09-09 13:03:11 +09:30
Saxon d92e0bfb5e codec/h264/h264dec/decode.go: wrote function picOrderCntType0 to handle derivation of TopFieldOrderCnt and BottomFieldOrderCnt when pic_order_cnt_type == 0 2019-09-09 11:59:41 +09:30
Saxon fbb98095a0 codec/h264/h264dec: embedded SliceHeader and SliceData into Slice type, and embedded SPS and PPS into VideoStream type 2019-09-09 11:08:48 +09:30
Saxon 46e7f9d303 codec/h264/h264dec/cavlc.go: simplified some logic regarding appending of values onto levelVal based on trailing_ones_sign_flag 2019-09-09 09:11:50 +09:30
Saxon 1eb1d10ac4 codec/h264/h2646dec: added decode.go file to hold slice decoding functionality 2019-09-08 14:09:08 +09:30
Saxon 960d41cb4f codec/h264/h264dec/cavlc.go: removed redundant if checks in parseLevelInformation 2019-09-08 13:31:10 +09:30
Saxon ce803ba488 codec/h264/h264dec: add function for parsing level information using process in section 9.2.2 of specifications 2019-09-06 17:45:23 +09:30
Trek Hopton f537da41f2 Merged in adpcm-chunks (pull request #237) 
Added adpcm chunk length and ability to decode consecutive chunks

Approved-by: kortschak <dan@kortschak.io>
 2019-08-28 03:30:02 +00:00
Saxon 838d5dd5d6 codec/h264/h264dec: added level_prefix parsing process and test 2019-08-28 10:09:27 +09:30
Saxon Milton 7f3f1a43f9 Merged in refresh-period (pull request #240) 
revid: now have MinPeriod and ClipDuration params

Approved-by: Alan Noble <anoble@gmail.com>
 2019-08-28 00:06:03 +00:00
Saxon 132059d26e codec/h264/h264dec/cabac.go: added binarization process for coded block pattern 2019-08-26 16:35:06 +09:30
Saxon d4fe1498f5 codec/h264/h264dec: moved CABAC encoding related stuff to cabacenc.go and cabacenc_test.go and corrected function names 2019-08-26 16:01:48 +09:30
Saxon b9cd6b3f13 container/mts/encoder.go: using NALTypeSPS from h264dec package 2019-08-26 09:24:18 +09:30
Saxon 817cc86a34 revid: now have MinPeriod and ClipDuration params 
This change included a rename of IntraRefreshPeriod to MinPeriod, and the addition of the ClipDuration param. PSI are now written before IDR. Clips are no longer outputed
based on PSI but rather a time ClipDuration, where ClipDuration >= MinPeriod, however, PSI must still be at the beginning of each clip. Also created functionality to update
meta time even if we don't have a response to update.
 2019-08-25 20:42:01 +09:30
Trek H 4e48a7aa09 adpcm: updated test file names 2019-08-21 16:20:11 +09:30
Trek H 4b8864ff20 adpcm: better decoding of chunks 
added chunk length to chunk header
added to decoder the ability to decode consecutive chunks of variable length.
 2019-08-21 15:39:58 +09:30
Saxon Milton 7ab8fd9e87 Merged in nalunit-test (pull request #224) 
codec/h264/h264dec: added NAL unit parsing tests

Approved-by: Alan Noble <anoble@gmail.com>
 2019-08-20 03:23:17 +00:00
Saxon Milton 13490e0145 Merged in slice-testing (pull request #225) 
codec/h264/h264dec: added some testing for parsing found in slice.go

Approved-by: Alan Noble <anoble@gmail.com>
 2019-08-20 02:53:00 +00:00
Saxon 0f35786d06 codec/h264/h264dec/slice_test.go: added license information to file header 2019-08-20 12:06:11 +09:30
Saxon bdcd340802 codec/h264/h264dec/slice_test.go: removed redundant comment 2019-08-20 12:02:39 +09:30
Saxon 27d8d0992c codec/h264/h264dec/slice.go: made corrections to file header 2019-08-20 11:56:42 +09:30
Saxon dab94f6ae2 codec/h264/h264dec: addressing PR feedback. 
Updated comment. Put a space between file header and package declaration. Not dereferencing things
 2019-08-20 11:39:12 +09:30
Saxon Milton e7f36162b1 codec/h264/h264dec/cabac_test.go: fixed indentation of Shawn's name in file header 2019-08-19 23:43:28 +00:00
Saxon Milton 2735f99f9c codec/h264/h264dec/cabac.go: fixed indentation of Shawn's name in file header 2019-08-19 23:41:56 +00:00