Implement h1v2 fancy upsampling

This allows fancy upsampling to be used when decompressing 4:2:2 images
that have been losslessly rotated or transposed.

(docs and comments added by DRC)

Based on https://github.com/pornel/libjpeg-turbo/commit/f63aca945debde07e7c6476a1f667b71728c3d44

Closes #89
2 files changed
tree: 23291e4fdee3bf240be9d6a76a0682fe5648a8f6
  1. .gitignore
  2. BUILDING.md
  3. CMakeLists.txt
  4. ChangeLog.md
  5. LICENSE.md
  6. Makefile.am
  7. README.ijg
  8. README.md
  9. acinclude.m4
  10. bmp.c
  11. bmp.h
  12. cderror.h
  13. cdjpeg.c
  14. cdjpeg.h
  15. change.log
  16. cjpeg.1
  17. cjpeg.c
  18. cmakescripts/
  19. coderules.txt
  20. configure.ac
  21. djpeg.1
  22. djpeg.c
  23. doc/
  24. doxygen-extra.css
  25. doxygen.config
  26. example.c
  27. jaricom.c
  28. java/
  29. jcapimin.c
  30. jcapistd.c
  31. jcarith.c
  32. jccoefct.c
  33. jccolext.c
  34. jccolor.c
  35. jcdctmgr.c
  36. jchuff.c
  37. jchuff.h
  38. jcinit.c
  39. jcmainct.c
  40. jcmarker.c
  41. jcmaster.c
  42. jcomapi.c
  43. jconfig.h.in
  44. jconfig.txt
  45. jconfigint.h.in
  46. jcparam.c
  47. jcphuff.c
  48. jcprepct.c
  49. jcsample.c
  50. jcstest.c
  51. jctrans.c
  52. jdapimin.c
  53. jdapistd.c
  54. jdarith.c
  55. jdatadst-tj.c
  56. jdatadst.c
  57. jdatasrc-tj.c
  58. jdatasrc.c
  59. jdcoefct.c
  60. jdcoefct.h
  61. jdcol565.c
  62. jdcolext.c
  63. jdcolor.c
  64. jdct.h
  65. jddctmgr.c
  66. jdhuff.c
  67. jdhuff.h
  68. jdinput.c
  69. jdmainct.c
  70. jdmainct.h
  71. jdmarker.c
  72. jdmaster.c
  73. jdmaster.h
  74. jdmerge.c
  75. jdmrg565.c
  76. jdmrgext.c
  77. jdphuff.c
  78. jdpostct.c
  79. jdsample.c
  80. jdsample.h
  81. jdtrans.c
  82. jerror.c
  83. jerror.h
  84. jfdctflt.c
  85. jfdctfst.c
  86. jfdctint.c
  87. jidctflt.c
  88. jidctfst.c
  89. jidctint.c
  90. jidctred.c
  91. jinclude.h
  92. jmemmgr.c
  93. jmemnobs.c
  94. jmemsys.h
  95. jmorecfg.h
  96. jpeg_nbits_table.h
  97. jpegcomp.h
  98. jpegint.h
  99. jpeglib.h
  100. jpegtran.1
  101. jpegtran.c
  102. jquant1.c
  103. jquant2.c
  104. jsimd.h
  105. jsimd_none.c
  106. jsimddct.h
  107. jstdhuff.c
  108. jutils.c
  109. jversion.h
  110. libjpeg.map.in
  111. libjpeg.txt
  112. md5/
  113. rdbmp.c
  114. rdcolmap.c
  115. rdgif.c
  116. rdjpgcom.1
  117. rdjpgcom.c
  118. rdppm.c
  119. rdrle.c
  120. rdswitch.c
  121. rdtarga.c
  122. release/
  123. sharedlib/
  124. simd/
  125. structure.txt
  126. testimages/
  127. tjbench.c
  128. tjbenchtest.in
  129. tjbenchtest.java.in
  130. tjexampletest.in
  131. tjunittest.c
  132. tjutil.c
  133. tjutil.h
  134. transupp.c
  135. transupp.h
  136. turbojpeg-jni.c
  137. turbojpeg-mapfile
  138. turbojpeg-mapfile.jni
  139. turbojpeg.c
  140. turbojpeg.h
  141. usage.txt
  142. win/
  143. wizard.txt
  144. wrbmp.c
  145. wrgif.c
  146. wrjpgcom.1
  147. wrjpgcom.c
  148. wrppm.c
  149. wrppm.h
  150. wrrle.c
  151. wrtarga.c