[FFmpeg-cvslog] dnxhddata: Deduplicate cid 1256 chroma table

Christophe Gisquet git at videolan.org
Sat Oct 3 12:49:31 CEST 2015


ffmpeg | branch: master | Christophe Gisquet <christophe.gisquet at gmail.com> | Thu Oct  1 16:54:57 2015 +0200| [e54d7e4e8ef7d778e2ddc5a60bf7307ed55d6333] | committer: Vittorio Giovara

dnxhddata: Deduplicate cid 1256 chroma table

CID 1256 is specified as using the same table for luma and chroma,
which is the same as CID 1235 luma table. This is consistent with
the format supposedly being RGB, although most sequences seem to
actually be YCbCr-encoded.

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
Signed-off-by: Vittorio Giovara <vittorio.giovara at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e54d7e4e8ef7d778e2ddc5a60bf7307ed55d6333
---

 libavcodec/dnxhddata.c |   14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/libavcodec/dnxhddata.c b/libavcodec/dnxhddata.c
index 46b697c..282829e 100644
--- a/libavcodec/dnxhddata.c
+++ b/libavcodec/dnxhddata.c
@@ -37,6 +37,7 @@ static const uint8_t dnxhd_1235_luma_weight[] = {
     50, 50, 53, 55, 55, 56, 60, 60,
 };
 
+/* Used in CID 1235, 1256 */
 static const uint8_t dnxhd_1235_chroma_weight[] = {
      0, 32, 33, 34, 34, 33, 34, 35,
     37, 40, 43, 42, 39, 38, 39, 41,
@@ -228,17 +229,6 @@ static const uint8_t dnxhd_1252_chroma_weight[] = {
     114, 128, 125, 129, 134, 125, 116, 116,
 };
 
-static const uint8_t dnxhd_1256_chroma_weight[] = {
-     0, 32, 32, 32, 32, 32, 32, 33,
-    32, 32, 32, 32, 32, 32, 32, 34,
-    32, 32, 32, 32, 32, 32, 33, 37,
-    32, 32, 32, 32, 32, 32, 36, 39,
-    32, 32, 32, 32, 32, 34, 39, 44,
-    32, 37, 32, 32, 35, 40, 43, 49,
-    32, 33, 36, 36, 40, 43, 50, 60,
-    34, 37, 39, 44, 51, 56, 61, 70,
-};
-
 static const uint8_t dnxhd_1260_luma_weight[] = {
      0, 32, 33, 34, 36, 37, 37, 36,
     34, 33, 34, 35, 37, 38, 40, 41,
@@ -1156,7 +1146,7 @@ const CIDEntry ff_dnxhd_cid_table[] = {
       dnxhd_1237_run_codes, dnxhd_1237_run_bits, dnxhd_1237_run,
       { 36, 45, 75, 90 } },
     { 1256, 1920, 1080, 0, 1835008, 1835008, 6, 10,
-      dnxhd_1235_luma_weight, dnxhd_1256_chroma_weight,
+      dnxhd_1235_luma_weight, dnxhd_1235_chroma_weight,
       dnxhd_1235_dc_codes, dnxhd_1235_dc_bits,
       dnxhd_1235_ac_codes, dnxhd_1235_ac_bits, dnxhd_1235_ac_level,
       dnxhd_1235_ac_run_flag, dnxhd_1235_ac_index_flag,



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