dnxhd decoder

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@8445 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

Changelog

@@ -74,6 +74,7 @@ version <next>
 - GSM-MS encoder and decoder
 - DCA decoder
 - DXA demuxer and decoder
+- DNxHD decoder
 
 version 0.4.9-pre1:
 

MAINTAINERS

@@ -113,6 +113,7 @@ Codecs:
   cljr                                  Alex Beregszaszi
   cook.c, cookdata.h                    Benjamin Larsson
   cscd.c                                Reimar Doeffinger
+  dnxhddec.c                            Baptiste Coudurier
   dpcm.c                                Mike Melanson
   dxa.c                                 Kostya Shishkov
   dv.c                                  Roman Shaposhnik

doc/ffmpeg-doc.texi

@@ -1009,6 +1009,7 @@ following image formats are supported:
 @item Cin Video              @tab     @tab  X @tab Codec used in Delphine Software games.
 @item Tiertex Seq Video      @tab     @tab  X @tab Codec used in DOS CDROM FlashBack game.
 @item DXA Video              @tab     @tab  X @tab Codec originally used in Feeble Files game.
+@item AVID DNxHD             @tab     @tab  X @tab aka SMPTE VC3
 @end multitable
 
 @code{X} means that encoding (resp. decoding) is supported.

libavcodec/Makefile

@@ -64,6 +64,7 @@ OBJS-$(CONFIG_COOK_DECODER)            += cook.o
 OBJS-$(CONFIG_CSCD_DECODER)            += cscd.o
 OBJS-$(CONFIG_CYUV_DECODER)            += cyuv.o
 OBJS-$(CONFIG_DCA_DECODER)             += dca.o
+OBJS-$(CONFIG_DNXHD_DECODER)           += dnxhddec.o
 OBJS-$(CONFIG_DSICINVIDEO_DECODER)     += dsicinav.o
 OBJS-$(CONFIG_DSICINAUDIO_DECODER)     += dsicinav.o
 OBJS-$(CONFIG_DVBSUB_DECODER)          += dvbsubdec.o

libavcodec/allcodecs.c

@@ -65,6 +65,7 @@ void avcodec_register_all(void)
     REGISTER_DECODER(CSCD, cscd);
     REGISTER_DECODER(CYUV, cyuv);
     REGISTER_DECODER(DCA, dca);
+    REGISTER_DECODER(DNXHD, dnxhd);
     REGISTER_DECODER(DSICINVIDEO, dsicinvideo);
     REGISTER_ENCDEC (DVVIDEO, dvvideo);
     REGISTER_DECODER(DXA, dxa);

libavcodec/avcodec.h

@@ -37,8 +37,8 @@ extern "C" {
 #define AV_STRINGIFY(s)         AV_TOSTRING(s)
 #define AV_TOSTRING(s) #s
 
-#define LIBAVCODEC_VERSION_INT  ((51<<16)+(39<<8)+0)
-#define LIBAVCODEC_VERSION      51.39.0
+#define LIBAVCODEC_VERSION_INT  ((51<<16)+(40<<8)+0)
+#define LIBAVCODEC_VERSION      51.40.0
 #define LIBAVCODEC_BUILD        LIBAVCODEC_VERSION_INT
 
 #define LIBAVCODEC_IDENT        "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION)
@@ -151,6 +151,7 @@ enum CodecID {
     CODEC_ID_GIF,
     CODEC_ID_FFH264,
     CODEC_ID_DXA,
+    CODEC_ID_DNXHD,
 
     /* various pcm "codecs" */
     CODEC_ID_PCM_S16LE= 0x10000,
@@ -2231,6 +2232,7 @@ extern AVCodec cook_decoder;
 extern AVCodec cscd_decoder;
 extern AVCodec cyuv_decoder;
 extern AVCodec dca_decoder;
+extern AVCodec dnxhd_decoder;
 extern AVCodec dsicinaudio_decoder;
 extern AVCodec dsicinvideo_decoder;
 extern AVCodec dvvideo_decoder;

libavcodec/dnxhddata.h

+/*
+ * VC3/DNxHD decoder.
+ * Copyright (c) 2007 SmartJog S.A., Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>.
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+static const uint8_t dnxhd_1238_luma_weigth[] = {
+     0, 32, 32, 33, 34, 33, 33, 33,
+    33, 33, 33, 33, 33, 35, 37, 37,
+    36, 36, 35, 36, 38, 38, 36, 35,
+    36, 37, 38, 41, 42, 41, 39, 38,
+    38, 38, 39, 41, 42, 41, 39, 39,
+    40, 41, 43, 44, 44, 44, 44, 44,
+    45, 47, 47, 47, 49, 50, 51, 51,
+    51, 53, 55, 57, 58, 59, 57, 57,
+};
+
+static const uint8_t dnxhd_1238_chroma_weigth[] = {
+     0, 32, 35, 35, 35, 34, 34, 35,
+    39, 43, 45, 45, 41, 39, 40, 41,
+    42, 44, 48, 55, 59, 63, 65, 59,
+    53, 52, 52, 55, 61, 62, 58, 58,
+    63, 66, 66, 65, 70, 74, 70, 66,
+    65, 68, 75, 77, 74, 74, 77, 76,
+    73, 73, 73, 73, 76, 80, 89, 90,
+    82, 77, 80, 86, 84, 82, 82, 82,
+};
+
+/* FIXME permute */
+static const uint8_t dnxhd_1243_luma_weigth[] = {
+     0,32,35,35,38,40,44,45,
+    32,33,35,35,39,42,44,45,
+    33,35,34,37,41,42,45,45,
+    35,35,37,40,41,44,45,48,
+    35,37,38,40,43,45,47,48,
+    36,36,38,40,45,47,48,47,
+    35,36,38,41,45,46,47,48,
+    36,37,39,41,44,45,47,47,
+};
+
+/* FIXME permute */
+static const uint8_t dnxhd_1243_chroma_weigth[] = {
+     0,32,37,39,41,42,45,45,
+    36,36,39,41,43,45,46,45,
+    37,41,41,43,45,44,45,46,
+    43,42,43,46,44,45,46,48,
+    43,44,47,45,44,46,47,49,
+    44,46,44,45,45,47,48,47,
+    44,42,46,44,45,46,47,48,
+    41,43,45,44,45,46,47,47,
+};
+
+static const uint8_t dnxhd_1238_dc_codes[12] = {
+    0, 12, 13, 1, 2, 3, 4, 5, 14, 30, 62, 63,
+};
+
+static const uint8_t dnxhd_1238_dc_bits[12] = {
+    3, 4, 4, 3, 3, 3, 3, 3, 4, 5, 6, 6,
+};
+
+static const uint16_t dnxhd_1238_ac_codes[257] = {
+    0, 1, 4, 10, 11, 24, 25, 26, 54, 55, 56, 57, 116, 117, 118, 119, 240, 241, 242, 243, 244, 245, 492, 493, 494, 495, 496, 497, 498, 499, 1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026, 2027, 4056, 4057, 4058, 4059, 4060, 4061, 4062, 4063, 4064, 4065, 4066, 4067, 4068, 4069, 8140, 8141, 8142, 8143, 8144, 8145, 8146, 8147, 8148, 8149, 8150, 8151, 8152, 8153, 8154, 8155, 8156, 16314, 16315, 16316, 16317, 16318, 16319, 16320, 16321, 16322, 16323, 16324, 16325, 16326, 16327, 16328, 16329, 16330, 16331, 16332, 16333, 16334, 16335, 16336, 16337, 16338, 32678, 32679, 32680, 32681, 32682, 32683, 32684, 32685, 32686, 32687, 32688, 32689, 32690, 32691, 32692, 32693, 32694, 32695, 32696, 32697, 32698, 32699, 32700, 32701, 32702, 32703, 32704, 32705, 65412, 65413, 65414, 65415, 65416, 65417, 65418, 65419, 65420, 65421, 65422, 65423, 65424, 65425, 65426, 65427, 65428, 65429, 65430, 65431, 65432, 65433, 65434, 65435, 65436, 65437, 65438, 65439, 65440, 65441, 65442, 65443, 65444, 65445, 65446, 65447, 65448, 65449, 65450, 65451, 65452, 65453, 65454, 65455, 65456, 65457, 65458, 65459, 65460, 65461, 65462, 65463, 65464, 65465, 65466, 65467, 65468, 65469, 65470, 65471, 65472, 65473, 65474, 65475, 65476, 65477, 65478, 65479, 65480, 65481, 65482, 65483, 65484, 65485, 65486, 65487, 65488, 65489, 65490, 65491, 65492, 65493, 65494, 65495, 65496, 65497, 65498, 65499, 65500, 65501, 65502, 65503, 65504, 65505, 65506, 65507, 65508, 65509, 65510, 65511, 65512, 65513, 65514, 65515, 65516, 65517, 65518, 65519, 65520, 65521, 65522, 65523, 65524, 65525, 65526, 65527, 65528, 65529, 65530, 65531, 65532, 65533, 65534, 65535,
+};
+
+static const uint8_t dnxhd_1238_ac_bits[257] = {
+    2, 2, 3, 4, 4, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+};
+
+static const uint8_t dnxhd_1238_ac_level[257] = {
+    1, 1, 2, 3, 0, 4, 5, 2, 6, 7, 8, 3, 9, 10, 11, 4, 12, 13, 14, 15, 16, 5, 17, 18, 19, 20, 21, 22, 6, 7, 23, 24, 25, 26, 27, 28, 29, 8, 9, 30, 31, 32, 33, 34, 35, 36, 37, 10, 11, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 12, 13, 14, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 15, 16, 17, 18, 62, 63, 64, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 19, 20, 21, 22, 23, 24, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 40, 25, 26, 27, 28, 29, 30, 38, 39, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64,
+}; /* 0 is EOB */
+
+static const uint8_t dnxhd_1238_ac_run_flag[257] = {
+    0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+};
+
+static const uint8_t dnxhd_1238_ac_index_flag[257] = {
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+};
+
+static const uint16_t dnxhd_1238_run_codes[62] = {
+    0, 4, 10, 11, 24, 25, 26, 27, 56, 57, 58, 59, 120, 242, 486, 487, 488, 489, 980, 981, 982, 983, 984, 985, 986, 987, 988, 989, 990, 991, 992, 993, 994, 995, 996, 997, 998, 999, 1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023,
+};
+
+static const uint8_t dnxhd_1238_run_bits[62] = {
+    1, 3, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 8, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,
+};
+
+static const uint8_t dnxhd_1238_run[62] = {
+    1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 20, 21, 17, 18, 19, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62,
+};