Set dwSuggestBufferSize to largest chunk size for every stream in avi.

Fixes playback with WMP 9 for files with large (rawvideo) frames
as explained in ticket #2145.

Fixes ticket #2818.

tests/ref/vsynth/vsynth2-ffvhuff420p12

-13d0c151dd7700ca102a8720f0560b73 *tests/data/fate/vsynth2-ffvhuff420p12.avi
+ec4f82082b23def2c737b389538d23a7 *tests/data/fate/vsynth2-ffvhuff420p12.avi
 8601770 tests/data/fate/vsynth2-ffvhuff420p12.avi
 08b3c6c70eba608bae926608ff253f2a *tests/data/fate/vsynth2-ffvhuff420p12.out.rawvideo
 stddev:    0.68 PSNR: 51.38 MAXDIFF:    1 bytes:  7603200/  7603200

tests/ref/vsynth/vsynth2-ffvhuff422p10left

-dce07b24072447ae83d8e5e2b121e993 *tests/data/fate/vsynth2-ffvhuff422p10left.avi
+e8a8c447cda75c64336f4c1d79027376 *tests/data/fate/vsynth2-ffvhuff422p10left.avi
 8874580 tests/data/fate/vsynth2-ffvhuff422p10left.avi
 a627fb50c8276200fd71383977d87ca3 *tests/data/fate/vsynth2-ffvhuff422p10left.out.rawvideo
 stddev:    0.34 PSNR: 57.43 MAXDIFF:    6 bytes:  7603200/  7603200

tests/ref/vsynth/vsynth2-ffvhuff444

-50d1d79bcb2e9a9fe70ec0f211d07b09 *tests/data/fate/vsynth2-ffvhuff444.avi
+f77a213d963aef0384a8cc2e08a2e6d8 *tests/data/fate/vsynth2-ffvhuff444.avi
 8666652 tests/data/fate/vsynth2-ffvhuff444.avi
 d43cb310c130c69214332d74f6ee5f9a *tests/data/fate/vsynth2-ffvhuff444.out.rawvideo
 stddev:    0.41 PSNR: 55.80 MAXDIFF:    7 bytes:  7603200/  7603200

tests/ref/vsynth/vsynth2-ffvhuff444p16

-e264963ec1f69a20be43a43219f8f949 *tests/data/fate/vsynth2-ffvhuff444p16.avi
+ffa8c6d9f39d08806f88c4933c3b9fa6 *tests/data/fate/vsynth2-ffvhuff444p16.avi
 21648206 tests/data/fate/vsynth2-ffvhuff444p16.avi
 05ccd9a38f9726030b3099c0c99d3a13 *tests/data/fate/vsynth2-ffvhuff444p16.out.rawvideo
 stddev:    0.45 PSNR: 55.06 MAXDIFF:    7 bytes:  7603200/  7603200

tests/ref/vsynth/vsynth2-h261

-dc32bc8a9e6eae15362ab86f8156f96a *tests/data/fate/vsynth2-h261.avi
+6399cb1044e5433c844c21790fc17128 *tests/data/fate/vsynth2-h261.avi
 191060 tests/data/fate/vsynth2-h261.avi
 08f65e9aeeeaf189548c2bb417d5114f *tests/data/fate/vsynth2-h261.out.rawvideo
 stddev:    6.37 PSNR: 32.03 MAXDIFF:   77 bytes:  7603200/  7603200

tests/ref/vsynth/vsynth2-h261-trellis

-5c0670e3d07043b1209136d6fbd6bb8d *tests/data/fate/vsynth2-h261-trellis.avi
+616cb40cf84704d177e207ee85a24531 *tests/data/fate/vsynth2-h261-trellis.avi
 184582 tests/data/fate/vsynth2-h261-trellis.avi
 f9df8cd110a2f3d9706dd2f29a1d0a89 *tests/data/fate/vsynth2-h261-trellis.out.rawvideo
 stddev:    6.32 PSNR: 32.11 MAXDIFF:   89 bytes:  7603200/  7603200

tests/ref/vsynth/vsynth2-h263

-949d8c9926914751af5f433af0f8fd65 *tests/data/fate/vsynth2-h263.avi
+b5ea141b794ad88019507375ec092ad7 *tests/data/fate/vsynth2-h263.avi
 160102 tests/data/fate/vsynth2-h263.avi
 b7d733ebedbaa04f49bf7493a907e223 *tests/data/fate/vsynth2-h263.out.rawvideo
 stddev:    5.43 PSNR: 33.42 MAXDIFF:   77 bytes:  7603200/  7603200

tests/ref/vsynth/vsynth2-h263-obmc

-7825a0bdf024673da2371829e3f01cc3 *tests/data/fate/vsynth2-h263-obmc.avi
+d242b7948697014abcaaff50551400ac *tests/data/fate/vsynth2-h263-obmc.avi
 154726 tests/data/fate/vsynth2-h263-obmc.avi
 588d992d9d8096da8bdc5027268da914 *tests/data/fate/vsynth2-h263-obmc.out.rawvideo
 stddev:    5.39 PSNR: 33.49 MAXDIFF:   82 bytes:  7603200/  7603200

tests/ref/vsynth/vsynth2-h263p

-3894234818ed65426b5f20f058d27c73 *tests/data/fate/vsynth2-h263p.avi
+000157a2e05709df95e40bd5e2185141 *tests/data/fate/vsynth2-h263p.avi
 867998 tests/data/fate/vsynth2-h263p.avi
 dca18571c05c13dd691d7b0b232e43fc *tests/data/fate/vsynth2-h263p.out.rawvideo
 stddev:    1.91 PSNR: 42.50 MAXDIFF:   19 bytes:  7603200/  7603200

tests/ref/vsynth/vsynth2-huffyuv

-b5ae95ae03856ee14bbd38784a02f3ca *tests/data/fate/vsynth2-huffyuv.avi
+a5caf03d83c7f45b34908a0dbf5b4efb *tests/data/fate/vsynth2-huffyuv.avi
 6455220 tests/data/fate/vsynth2-huffyuv.avi
 dde5895817ad9d219f79a52d0bdfb001 *tests/data/fate/vsynth2-huffyuv.out.rawvideo
 stddev:    0.00 PSNR:999.99 MAXDIFF:    0 bytes:  7603200/  7603200

tests/ref/vsynth/vsynth2-jpeg2000

-fc49816ba28731689872f5c87ca91c10 *tests/data/fate/vsynth2-jpeg2000.avi
+6cf1985f29a7febbb79edf1d5268e203 *tests/data/fate/vsynth2-jpeg2000.avi
 1151144 tests/data/fate/vsynth2-jpeg2000.avi
 e7d79c9e11d0fe97f03e38be66c34e4f *tests/data/fate/vsynth2-jpeg2000.out.rawvideo
 stddev:    4.41 PSNR: 35.23 MAXDIFF:   63 bytes:  7603200/  7603200

tests/ref/vsynth/vsynth2-jpeg2000-97

-3ac3e49a89136bddde9e44bac3e5b4ed *tests/data/fate/vsynth2-jpeg2000-97.avi
+7cdaa014398f52869704dc537983db54 *tests/data/fate/vsynth2-jpeg2000-97.avi
 1118952 tests/data/fate/vsynth2-jpeg2000-97.avi
 8ac8b9ee81fa73c873668e9f6b78764d *tests/data/fate/vsynth2-jpeg2000-97.out.rawvideo
 stddev:    4.95 PSNR: 34.23 MAXDIFF:   60 bytes:  7603200/  7603200

tests/ref/vsynth/vsynth2-jpegls

-f34315ed0e30cf4d94dd21ff1d4cea1b *tests/data/fate/vsynth2-jpegls.avi
+9840b70886b4fc86512de729e41de979 *tests/data/fate/vsynth2-jpegls.avi
 8334618 tests/data/fate/vsynth2-jpegls.avi
 3a984506f1ebfc9fb73b6814cab201cc *tests/data/fate/vsynth2-jpegls.out.rawvideo
 stddev:    0.66 PSNR: 51.73 MAXDIFF:   14 bytes:  7603200/  7603200

tests/ref/vsynth/vsynth2-ljpeg

-b691d815bb7e40ac4ff8c0e51d8c08ff *tests/data/fate/vsynth2-ljpeg.avi
+234a0e54d00829513bdc92fc580b2598 *tests/data/fate/vsynth2-ljpeg.avi
 4763454 tests/data/fate/vsynth2-ljpeg.avi
 dde5895817ad9d219f79a52d0bdfb001 *tests/data/fate/vsynth2-ljpeg.out.rawvideo
 stddev:    0.00 PSNR:999.99 MAXDIFF:    0 bytes:  7603200/  7603200

tests/ref/vsynth/vsynth2-mjpeg

-302197cccebb4d9797a08d06ca189533 *tests/data/fate/vsynth2-mjpeg.avi
+a3c1f9f7887b726bab17dbafa5debdca *tests/data/fate/vsynth2-mjpeg.avi
 673174 tests/data/fate/vsynth2-mjpeg.avi
 9d4bd90e9abfa18192383b4adc23c8d4 *tests/data/fate/vsynth2-mjpeg.out.rawvideo
 stddev:    4.32 PSNR: 35.40 MAXDIFF:   49 bytes:  7603200/  7603200

tests/ref/vsynth/vsynth2-mjpeg-422

-1ec800caa1dd2244677220d8a2b342ca *tests/data/fate/vsynth2-mjpeg-422.avi
+ebf2e0f17a75119ff86b15e721d16a76 *tests/data/fate/vsynth2-mjpeg-422.avi
 746530 tests/data/fate/vsynth2-mjpeg-422.avi
 451ac80989c4e14445cf951fd7f83b6d *tests/data/fate/vsynth2-mjpeg-422.out.rawvideo
 stddev:    4.18 PSNR: 35.70 MAXDIFF:   49 bytes:  7603200/  7603200

tests/ref/vsynth/vsynth2-mjpeg-444

-10abd087833f9bdf3b77c1aa37dc11e5 *tests/data/fate/vsynth2-mjpeg-444.avi
+7674eb1aedaad0976c60329f556440d1 *tests/data/fate/vsynth2-mjpeg-444.avi
 851442 tests/data/fate/vsynth2-mjpeg-444.avi
 34edcb9c87ff7aac456a4fb07f43504b *tests/data/fate/vsynth2-mjpeg-444.out.rawvideo
 stddev:    4.05 PSNR: 35.96 MAXDIFF:   49 bytes:  7603200/  7603200

tests/ref/vsynth/vsynth2-mpeg4-adap

-4b39d46a436f1bce59e2902cec3478e9 *tests/data/fate/vsynth2-mpeg4-adap.avi
+bbb12e077f858242c1387d23d2ccdae8 *tests/data/fate/vsynth2-mpeg4-adap.avi
 198496 tests/data/fate/vsynth2-mpeg4-adap.avi
 87b6dbe98d276137fceaae2fa672eced *tests/data/fate/vsynth2-mpeg4-adap.out.rawvideo
 stddev:    3.75 PSNR: 36.65 MAXDIFF:   71 bytes:  7603200/  7603200

tests/ref/vsynth/vsynth2-mpeg4-adv

-1875ae5a45936c08778c4430a22e87eb *tests/data/fate/vsynth2-mpeg4-adv.avi
+9fa1b5a68a6128a7160cfc8443a696e1 *tests/data/fate/vsynth2-mpeg4-adv.avi
 141534 tests/data/fate/vsynth2-mpeg4-adv.avi
 3f3a21e9db85a9c0f7022f557a5374c1 *tests/data/fate/vsynth2-mpeg4-adv.out.rawvideo
 stddev:    4.94 PSNR: 34.25 MAXDIFF:   69 bytes:  7603200/  7603200

tests/ref/vsynth/vsynth2-mpeg4-error

-599a21c149a150072db364298dbcdda2 *tests/data/fate/vsynth2-mpeg4-error.avi
+82510449a3200b58dbcfbf0a643eb624 *tests/data/fate/vsynth2-mpeg4-error.avi
 180364 tests/data/fate/vsynth2-mpeg4-error.avi
 4537ba5320f1ae0971cc6e329c366776 *tests/data/fate/vsynth2-mpeg4-error.out.rawvideo
 stddev:    7.65 PSNR: 30.45 MAXDIFF:  158 bytes:  7603200/  7603200