libavformat: DNxHD in .mov, switch unspecified color_range to mpeg

Avid prefers mpeg range [16-235] by default this change brings
ffmpeg into line with that. To obtain the old behaviour use
'-color_range jpeg' on the command line prior to the ouput
filename.
Signed-off-by: Kevin Wheatley <kevin.j.wheatley@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Changelog

@@ -19,6 +19,7 @@ version <next>:
 - Twofish symmetric block cipher
 - Support DNx100 (960x720@8)
 - removed libmpcodecs
+- Changed default DNxHD colour range in QuickTime .mov derivatives to mpeg range
 
 
 version 2.5:

libavformat/movenc.c

@@ -1037,7 +1037,8 @@ static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
     ffio_wfourcc(pb, "ACLR");
     ffio_wfourcc(pb, "ACLR");
     ffio_wfourcc(pb, "0001");
-    if (track->enc->color_range == AVCOL_RANGE_MPEG) { /* Legal range (16-235) */
+    if (track->enc->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
+        track->enc->color_range == AVCOL_RANGE_UNSPECIFIED) {
         avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
     } else { /* Full range (0-255) */
         avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */

tests/ref/vsynth/vsynth1-dnxhd-1080i

-14f1ea20bbd3024ccbfd84c681888d07 *tests/data/fate/vsynth1-dnxhd-1080i.mov
+a0234e0a8516d958f423b119aa9e35c4 *tests/data/fate/vsynth1-dnxhd-1080i.mov
 3031911 tests/data/fate/vsynth1-dnxhd-1080i.mov
 a09132c6db44f415e831dcaa630a351b *tests/data/fate/vsynth1-dnxhd-1080i.out.rawvideo
 stddev:    6.29 PSNR: 32.15 MAXDIFF:   64 bytes:  7603200/   760320

tests/ref/vsynth/vsynth1-dnxhd-1080i-colr

-b6fbfdfe7027fde6853930abad87eaab *tests/data/fate/vsynth1-dnxhd-1080i-colr.mov
+200a881696cc70c36c33fb415ed9488b *tests/data/fate/vsynth1-dnxhd-1080i-colr.mov
 3031929 tests/data/fate/vsynth1-dnxhd-1080i-colr.mov
 5835dff88cb84e83bbe70b5ed5edd5ab *tests/data/fate/vsynth1-dnxhd-1080i-colr.out.rawvideo
 stddev:    5.79 PSNR: 32.87 MAXDIFF:   56 bytes:  7603200/   760320

tests/ref/vsynth/vsynth2-dnxhd-1080i

-d59d5d40ffb33ebb9e9e0d5025aefb88 *tests/data/fate/vsynth2-dnxhd-1080i.mov
+2b75889122f8d918e1b068d128b618ca *tests/data/fate/vsynth2-dnxhd-1080i.mov
 3031911 tests/data/fate/vsynth2-dnxhd-1080i.mov
 099001db73036eeb9545c463cf90f0ba *tests/data/fate/vsynth2-dnxhd-1080i.out.rawvideo
 stddev:    1.53 PSNR: 44.43 MAXDIFF:   31 bytes:  7603200/   760320

tests/ref/vsynth/vsynth2-dnxhd-1080i-colr

-d510bc0d58c7cae875e3e67023771d6f *tests/data/fate/vsynth2-dnxhd-1080i-colr.mov
+53dfdc17882f2240a10c799287bf4b68 *tests/data/fate/vsynth2-dnxhd-1080i-colr.mov
 3031929 tests/data/fate/vsynth2-dnxhd-1080i-colr.mov
 e4cf5528c993b5e7d57a9d0a4d2cd0c6 *tests/data/fate/vsynth2-dnxhd-1080i-colr.out.rawvideo
 stddev:    1.58 PSNR: 44.15 MAXDIFF:   33 bytes:  7603200/   760320

tests/ref/vsynth/vsynth3-dnxhd-1080i-colr

-3b06d8675f9623db77b6a42916663608 *tests/data/fate/vsynth3-dnxhd-1080i-colr.mov
+da84414ce38ed0479c61a493398c912a *tests/data/fate/vsynth3-dnxhd-1080i-colr.mov
 3031929 tests/data/fate/vsynth3-dnxhd-1080i-colr.mov
 7dd6b261e439cda21df4f01b45336b41 *tests/data/fate/vsynth3-dnxhd-1080i-colr.out.rawvideo
 stddev:    6.92 PSNR: 31.32 MAXDIFF:   50 bytes:    86700/     8670

tests/ref/vsynth/vsynth_lena-dnxhd-1080i

-d680a5eed77c5b8dc6b5ef3bcf6e87e8 *tests/data/fate/vsynth_lena-dnxhd-1080i.mov
+f7412afbcb4454692f7492f6710189e3 *tests/data/fate/vsynth_lena-dnxhd-1080i.mov
 3031911 tests/data/fate/vsynth_lena-dnxhd-1080i.mov
 744ba46da5d4c19a28562ea31061d170 *tests/data/fate/vsynth_lena-dnxhd-1080i.out.rawvideo
 stddev:    1.31 PSNR: 45.77 MAXDIFF:   23 bytes:  7603200/   760320

tests/ref/vsynth/vsynth_lena-dnxhd-1080i-colr

-4deae1b3d9a5c8fbd28075e8dca0034e *tests/data/fate/vsynth_lena-dnxhd-1080i-colr.mov
+241d5c03c5f6d7560b9e164ce0617f04 *tests/data/fate/vsynth_lena-dnxhd-1080i-colr.mov
 3031929 tests/data/fate/vsynth_lena-dnxhd-1080i-colr.mov
 864c3d5f49d9edf66ce8f82a2a6725f6 *tests/data/fate/vsynth_lena-dnxhd-1080i-colr.out.rawvideo
 stddev:    1.36 PSNR: 45.45 MAXDIFF:   22 bytes:  7603200/   760320