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authorPaul B Mahol <onemda@gmail.com>2016-05-30 19:33:31 +0200
committerPaul B Mahol <onemda@gmail.com>2016-06-07 21:38:49 +0200
commitfdf832a98643c7cb7ba9fc7b4ee24b951041caf1 (patch)
tree90a91559cb59a3ee8f4709bd01f181f0234201c2 /libavcodec
parentc36fc857b5a8f8bdf2bcc54ce72bbf817902edcf (diff)
downloadffmpeg-fdf832a98643c7cb7ba9fc7b4ee24b951041caf1.tar.gz
avcodec: add BitJazz SheerVideo decoder
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/Makefile1
-rw-r--r--libavcodec/allcodecs.c1
-rw-r--r--libavcodec/avcodec.h1
-rw-r--r--libavcodec/codec_desc.c7
-rw-r--r--libavcodec/sheervideo.c1882
-rw-r--r--libavcodec/version.h4
6 files changed, 1894 insertions, 2 deletions
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 6e26aadf03..1f224298cc 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -474,6 +474,7 @@ OBJS-$(CONFIG_SDX2_DPCM_DECODER) += dpcm.o
OBJS-$(CONFIG_SGI_DECODER) += sgidec.o
OBJS-$(CONFIG_SGI_ENCODER) += sgienc.o rle.o
OBJS-$(CONFIG_SGIRLE_DECODER) += sgirledec.o
+OBJS-$(CONFIG_SHEERVIDEO_DECODER) += sheervideo.o
OBJS-$(CONFIG_SHORTEN_DECODER) += shorten.o
OBJS-$(CONFIG_SIPR_DECODER) += sipr.o acelp_pitch_delay.o \
celp_math.o acelp_vectors.o \
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 7aa54ee4c7..7e6b40a54f 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -294,6 +294,7 @@ void avcodec_register_all(void)
REGISTER_DECODER(SDX2_DPCM, sdx2_dpcm);
REGISTER_ENCDEC (SGI, sgi);
REGISTER_DECODER(SGIRLE, sgirle);
+ REGISTER_DECODER(SHEERVIDEO, sheervideo);
REGISTER_DECODER(SMACKER, smacker);
REGISTER_DECODER(SMC, smc);
REGISTER_DECODER(SMVJPEG, smvjpeg);
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 5fcecda626..0181eb1e77 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -407,6 +407,7 @@ enum AVCodecID {
AV_CODEC_ID_TRUEMOTION2RT,
AV_CODEC_ID_M101,
AV_CODEC_ID_MAGICYUV,
+ AV_CODEC_ID_SHEERVIDEO,
/* various PCM "codecs" */
AV_CODEC_ID_FIRST_AUDIO = 0x10000, ///< A dummy id pointing at the start of audio codecs
diff --git a/libavcodec/codec_desc.c b/libavcodec/codec_desc.c
index 5fd946ebc5..575a6e5910 100644
--- a/libavcodec/codec_desc.c
+++ b/libavcodec/codec_desc.c
@@ -1549,6 +1549,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
.long_name = NULL_IF_CONFIG_SMALL("MagicYUV Lossless Video"),
.props = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
},
+ {
+ .id = AV_CODEC_ID_SHEERVIDEO,
+ .type = AVMEDIA_TYPE_VIDEO,
+ .name = "sheervideo",
+ .long_name = NULL_IF_CONFIG_SMALL("BitJazz SheerVideo"),
+ .props = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
+ },
/* various PCM "codecs" */
{
diff --git a/libavcodec/sheervideo.c b/libavcodec/sheervideo.c
new file mode 100644
index 0000000000..6e05116a5a
--- /dev/null
+++ b/libavcodec/sheervideo.c
@@ -0,0 +1,1882 @@
+/*
+ * BitJazz SheerVideo decoder
+ * Copyright (c) 2016 Paul B Mahol
+ *
+ * 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
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "libavutil/intreadwrite.h"
+#include "avcodec.h"
+#include "get_bits.h"
+#include "internal.h"
+#include "thread.h"
+
+typedef struct SheerVideoContext {
+ unsigned format;
+ VLC vlc[2];
+ void (*decode_frame)(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb);
+} SheerVideoContext;
+
+static const uint8_t l_r_rgb[256] = {
+ 3, 3, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 7, 7, 8,
+ 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 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, 15, 15, 15, 15,
+ 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13,
+ 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10,
+ 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8,
+ 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4,
+};
+
+static const uint8_t l_g_rgb[256] = {
+ 2, 2, 4, 4, 6, 7, 9, 9, 10, 11, 11, 11, 12, 12, 12, 13,
+ 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 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, 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, 15, 15, 15, 15, 15,
+ 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13,
+ 13, 13, 12, 12, 12, 11, 11, 11, 10, 9, 9, 8, 6, 4, 3, 3,
+};
+
+static const uint8_t l_y_ybr[256] = {
+ 3, 3, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8,
+ 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10,
+ 10, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 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, 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, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
+ 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
+ 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11,
+ 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8,
+ 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 5, 4, 4, 3,
+};
+
+static const uint8_t l_u_ybr[256] = {
+ 1, 2, 4, 6, 9, 10, 11, 11, 12, 12, 13, 13, 13, 14, 14, 14,
+ 14, 14, 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, 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, 15, 15, 15, 15, 15,
+ 14, 14, 14, 14, 14, 13, 13, 13, 12, 12, 11, 11, 10, 8, 5, 3,
+};
+
+static const uint8_t l_y_ybyr[256] = {
+ 3, 3, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 7, 7, 8,
+ 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 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, 15, 15, 15,
+ 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14,
+ 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13,
+ 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10,
+ 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8,
+ 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4,
+};
+
+static const uint8_t l_u_ybyr[256] = {
+ 1, 2, 4, 6, 8, 9, 10, 10, 11, 11, 12, 12, 12, 13, 13, 14,
+ 14, 14, 14, 14, 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, 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, 15, 15, 15, 15, 15, 14, 14,
+ 14, 14, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 8, 7, 6, 3,
+};
+
+static const uint8_t l_y_byry[256] = {
+ 3, 3, 4, 4, 5, 5, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8,
+ 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10,
+ 10, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 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, 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, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
+ 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
+ 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11,
+ 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8,
+ 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 5, 4, 4, 3,
+};
+
+static const uint8_t l_u_byry[256] = {
+ 1, 2, 4, 6, 8, 9, 9, 10, 11, 11, 12, 12, 13, 13, 13, 14,
+ 14, 14, 14, 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, 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, 15, 15, 15, 15, 15, 15, 14,
+ 14, 14, 14, 13, 13, 12, 12, 12, 11, 11, 10, 9, 8, 7, 6, 3,
+};
+
+static const uint8_t l_y_ybr10[1024] = {
+ 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7,
+ 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 11, 11, 11, 11, 11, 11, 11, 11,
+ 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
+ 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 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, 13, 13, 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, 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, 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, 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, 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, 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, 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, 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, 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,
+ 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
+ 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, 14, 14, 14, 14, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13,
+ 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
+ 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
+ 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11,
+ 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
+ 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7,
+ 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5,
+};
+
+static const uint8_t l_u_ybr10[1024] = {
+ 2, 3, 3, 4, 5, 5, 6, 7, 8, 9, 9, 10, 10, 10, 11, 11,
+ 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 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, 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, 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, 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, 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, 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, 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, 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, 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, 15, 15, 15, 15, 15, 15, 15,
+ 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 12, 12, 12,
+ 12, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 6, 5, 4, 4, 3,
+};
+
+static const uint8_t l_r_rgbx[1024] = {
+ 4, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 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, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
+ 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 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, 13, 13, 13, 13, 13, 13, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
+ 15, 15, 15, 15, 15, 15, 15, 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,
+ 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, 13, 13, 13, 13, 13, 13, 13,
+ 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
+ 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
+ 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
+ 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
+ 11, 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, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5,
+};
+
+static const uint8_t l_g_rgbx[1024] = {
+ 3, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7,
+ 8, 8, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 12,
+ 12, 12, 12, 12, 12, 12, 12, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13,
+ 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12,
+ 12, 12, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 9, 9,
+ 8, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4,
+};
+
+static const uint8_t l_y_yry10[1024] = {
+ 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7,
+ 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 11, 11, 11, 11, 11, 11, 11, 11,
+ 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
+ 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 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, 13, 13, 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, 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, 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, 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, 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, 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, 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, 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, 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,
+ 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
+ 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, 14, 14, 14, 14, 14, 14, 14,
+ 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13,
+ 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
+ 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
+ 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
+ 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11,
+ 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
+ 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10,
+ 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7,
+ 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5,
+};
+
+static const uint8_t l_u_yry10[1024] = {
+ 2, 3, 3, 4, 5, 6, 7, 7, 8, 8, 8, 9, 9, 10, 10, 10,
+ 10, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13,
+ 13, 13, 13, 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, 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, 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, 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, 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, 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, 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, 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, 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, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
+ 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13,
+ 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11,
+ 10, 10, 10, 10, 9, 9, 9, 8, 8, 7, 7, 6, 5, 4, 4, 3,
+};
+
+static void decode_ca4p(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
+{
+ SheerVideoContext *s = avctx->priv_data;
+ uint16_t *dst_y, *dst_u, *dst_v, *dst_a;
+ int x, y;
+
+ dst_a = (uint16_t *)p->data[3];
+ dst_y = (uint16_t *)p->data[0];
+ dst_u = (uint16_t *)p->data[1];
+ dst_v = (uint16_t *)p->data[2];
+
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x++) {
+ dst_a[x] = get_bits(gb, 10);
+ dst_y[x] = get_bits(gb, 10);
+ dst_u[x] = get_bits(gb, 10);
+ dst_v[x] = get_bits(gb, 10);
+ }
+ } else {
+ int pred[4] = { 502, 512, 512, 502 };
+
+ for (x = 0; x < avctx->width; x++) {
+ int y, u, v, a;
+
+ a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_a[x] = pred[3] = (a + pred[3]) & 0x3ff;
+ dst_y[x] = pred[0] = (y + pred[0]) & 0x3ff;
+ dst_u[x] = pred[1] = (u + pred[1]) & 0x3ff;
+ dst_v[x] = pred[2] = (v + pred[2]) & 0x3ff;
+ }
+ }
+
+ dst_y += p->linesize[0] / 2;
+ dst_u += p->linesize[1] / 2;
+ dst_v += p->linesize[2] / 2;
+ dst_a += p->linesize[3] / 2;
+
+ for (y = 1; y < avctx->height; y++) {
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x++) {
+ dst_a[x] = get_bits(gb, 10);
+ dst_y[x] = get_bits(gb, 10);
+ dst_u[x] = get_bits(gb, 10);
+ dst_v[x] = get_bits(gb, 10);
+ }
+ } else {
+ int pred_TL[4], pred_L[4], pred_T[4];
+ int y, u, v, a;
+
+ pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0] / 2];
+ pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1] / 2];
+ pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2] / 2];
+ pred_TL[3] = pred_L[3] = dst_a[-p->linesize[3] / 2];
+
+ for (x = 0; x < avctx->width; x++) {
+ pred_T[0] = dst_y[-p->linesize[0] / 2 + x];
+ pred_T[1] = dst_u[-p->linesize[1] / 2 + x];
+ pred_T[2] = dst_v[-p->linesize[2] / 2 + x];
+ pred_T[3] = dst_a[-p->linesize[3] / 2 + x];
+
+ a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_a[x] = pred_L[3] = (a + ((3 * (pred_T[3] + pred_L[3]) - 2 * pred_TL[3]) >> 2)) & 0x3ff;
+ dst_y[x] = pred_L[0] = (y + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0x3ff;
+ dst_u[x] = pred_L[1] = (u + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0x3ff;
+ dst_v[x] = pred_L[2] = (v + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0x3ff;
+
+ pred_TL[0] = pred_T[0];
+ pred_TL[1] = pred_T[1];
+ pred_TL[2] = pred_T[2];
+ pred_TL[3] = pred_T[3];
+ }
+ }
+
+ dst_y += p->linesize[0] / 2;
+ dst_u += p->linesize[1] / 2;
+ dst_v += p->linesize[2] / 2;
+ dst_a += p->linesize[3] / 2;
+ }
+}
+
+static void decode_ybr10(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
+{
+ SheerVideoContext *s = avctx->priv_data;
+ uint16_t *dst_y, *dst_u, *dst_v;
+ int x, y;
+
+ dst_y = (uint16_t *)p->data[0];
+ dst_u = (uint16_t *)p->data[1];
+ dst_v = (uint16_t *)p->data[2];
+
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x++) {
+ dst_y[x] = get_bits(gb, 10);
+ dst_u[x] = get_bits(gb, 10);
+ dst_v[x] = get_bits(gb, 10);
+ }
+ } else {
+ int pred[4] = { 502, 512, 512, 512 };
+
+ for (x = 0; x < avctx->width; x++) {
+ int y, u, v;
+
+ y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_y[x] = pred[0] = (y + pred[0]) & 0x3ff;
+ dst_u[x] = pred[1] = (u + pred[1]) & 0x3ff;
+ dst_v[x] = pred[2] = (v + pred[2]) & 0x3ff;
+ }
+ }
+
+ dst_y += p->linesize[0] / 2;
+ dst_u += p->linesize[1] / 2;
+ dst_v += p->linesize[2] / 2;
+
+ for (y = 1; y < avctx->height; y++) {
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x++) {
+ dst_y[x] = get_bits(gb, 10);
+ dst_u[x] = get_bits(gb, 10);
+ dst_v[x] = get_bits(gb, 10);
+ }
+ } else {
+ int pred_TL[4], pred_L[4], pred_T[4];
+ int y, u, v;
+
+ pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0] / 2];
+ pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1] / 2];
+ pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2] / 2];
+
+ for (x = 0; x < avctx->width; x++) {
+ pred_T[0] = dst_y[-p->linesize[0] / 2 + x];
+ pred_T[1] = dst_u[-p->linesize[1] / 2 + x];
+ pred_T[2] = dst_v[-p->linesize[2] / 2 + x];
+
+ y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_y[x] = pred_L[0] = (y + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0x3ff;
+ dst_u[x] = pred_L[1] = (u + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0x3ff;
+ dst_v[x] = pred_L[2] = (v + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0x3ff;
+
+ pred_TL[0] = pred_T[0];
+ pred_TL[1] = pred_T[1];
+ pred_TL[2] = pred_T[2];
+ }
+ }
+
+ dst_y += p->linesize[0] / 2;
+ dst_u += p->linesize[1] / 2;
+ dst_v += p->linesize[2] / 2;
+ }
+}
+
+static void decode_yry10(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
+{
+ SheerVideoContext *s = avctx->priv_data;
+ uint16_t *dst_y, *dst_u, *dst_v;
+ int x, y;
+
+ dst_y = (uint16_t *)p->data[0];
+ dst_u = (uint16_t *)p->data[1];
+ dst_v = (uint16_t *)p->data[2];
+
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x += 2) {
+ dst_y[x ] = get_bits(gb, 10);
+ dst_u[x / 2] = get_bits(gb, 10);
+ dst_y[x + 1] = get_bits(gb, 10);
+ dst_v[x / 2] = get_bits(gb, 10);
+ }
+ } else {
+ int pred[4] = { 502, 512, 512, 0 };
+
+ for (x = 0; x < avctx->width; x += 2) {
+ int y1, y2, u, v;
+
+ y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_y[x ] = pred[0] = (y1 + pred[0]) & 0x3ff;
+ dst_u[x / 2] = pred[1] = (u + pred[1]) & 0x3ff;
+ dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0x3ff;
+ dst_v[x / 2] = pred[2] = (v + pred[2]) & 0x3ff;
+ }
+ }
+
+ dst_y += p->linesize[0] / 2;
+ dst_u += p->linesize[1] / 2;
+ dst_v += p->linesize[2] / 2;
+
+ for (y = 1; y < avctx->height; y++) {
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x += 2) {
+ dst_y[x ] = get_bits(gb, 10);
+ dst_u[x / 2] = get_bits(gb, 10);
+ dst_y[x + 1] = get_bits(gb, 10);
+ dst_v[x / 2] = get_bits(gb, 10);
+ }
+ } else {
+ int pred_TL[6], pred_L[6], pred_T[6];
+ int y1, y2, u, v;
+
+ pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0] / 2];
+ pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1] / 2];
+ pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2] / 2];
+
+ for (x = 0; x < avctx->width; x += 2) {
+ pred_T[0] = dst_y[-p->linesize[0] / 2 + x];
+ pred_T[3] = dst_y[-p->linesize[0] / 2 + x + 1];
+ pred_T[1] = dst_u[-p->linesize[1] / 2 + x / 2];
+ pred_T[2] = dst_v[-p->linesize[2] / 2 + x / 2];
+
+ y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_y[x ] = pred_L[0] = (y1 + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0x3ff;
+ dst_u[x / 2] = pred_L[1] = (u + (((pred_L[1] - pred_TL[1]) >> 1) + pred_T[1])) & 0x3ff;
+ dst_y[x + 1] = pred_L[0] = (y2 + ((3 * (pred_T[3] + pred_L[0]) - 2 * pred_T[0]) >> 2)) & 0x3ff;
+ dst_v[x / 2] = pred_L[2] = (v + (((pred_L[2] - pred_TL[2]) >> 1) + pred_T[2])) & 0x3ff;
+
+ pred_TL[0] = pred_T[3];
+ pred_TL[1] = pred_T[1];
+ pred_TL[2] = pred_T[2];
+ }
+ }
+
+ dst_y += p->linesize[0] / 2;
+ dst_u += p->linesize[1] / 2;
+ dst_v += p->linesize[2] / 2;
+ }
+}
+
+static void decode_ca2p(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
+{
+ SheerVideoContext *s = avctx->priv_data;
+ uint16_t *dst_y, *dst_u, *dst_v, *dst_a;
+ int x, y;
+
+ dst_y = (uint16_t *)p->data[0];
+ dst_u = (uint16_t *)p->data[1];
+ dst_v = (uint16_t *)p->data[2];
+ dst_a = (uint16_t *)p->data[3];
+
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x += 2) {
+ dst_y[x ] = get_bits(gb, 10);
+ dst_u[x / 2] = get_bits(gb, 10);
+ dst_y[x + 1] = get_bits(gb, 10);
+ dst_a[x ] = get_bits(gb, 10);
+ dst_v[x / 2] = get_bits(gb, 10);
+ dst_a[x + 1] = get_bits(gb, 10);
+ }
+ } else {
+ int pred[4] = { 502, 512, 512, 502 };
+
+ for (x = 0; x < avctx->width; x += 2) {
+ int y1, y2, u, v, a1, a2;
+
+ a1 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ a2 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_y[x ] = pred[0] = (y1 + pred[0]) & 0x3ff;
+ dst_u[x / 2] = pred[1] = (u + pred[1]) & 0x3ff;
+ dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0x3ff;
+ dst_a[x ] = pred[3] = (a1 + pred[3]) & 0x3ff;
+ dst_v[x / 2] = pred[2] = (v + pred[2]) & 0x3ff;
+ dst_a[x + 1] = pred[3] = (a2 + pred[3]) & 0x3ff;
+ }
+ }
+
+ dst_y += p->linesize[0] / 2;
+ dst_u += p->linesize[1] / 2;
+ dst_v += p->linesize[2] / 2;
+ dst_a += p->linesize[3] / 2;
+
+ for (y = 1; y < avctx->height; y++) {
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x += 2) {
+ dst_y[x ] = get_bits(gb, 10);
+ dst_u[x / 2] = get_bits(gb, 10);
+ dst_y[x + 1] = get_bits(gb, 10);
+ dst_a[x ] = get_bits(gb, 10);
+ dst_v[x / 2] = get_bits(gb, 10);
+ dst_a[x + 1] = get_bits(gb, 10);
+ }
+ } else {
+ int pred_TL[6], pred_L[6], pred_T[6];
+ int y1, y2, u, v, a1, a2;
+
+ pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0] / 2];
+ pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1] / 2];
+ pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2] / 2];
+ pred_TL[4] = pred_L[4] = dst_a[-p->linesize[3] / 2];
+
+ for (x = 0; x < avctx->width; x += 2) {
+ pred_T[0] = dst_y[-p->linesize[0] / 2 + x];
+ pred_T[3] = dst_y[-p->linesize[0] / 2 + x + 1];
+ pred_T[1] = dst_u[-p->linesize[1] / 2 + x / 2];
+ pred_T[2] = dst_v[-p->linesize[2] / 2 + x / 2];
+ pred_T[4] = dst_a[-p->linesize[3] / 2 + x];
+ pred_T[5] = dst_a[-p->linesize[3] / 2 + x + 1];
+
+ a1 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ a2 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_y[x ] = pred_L[0] = (y1 + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0x3ff;
+ dst_u[x / 2] = pred_L[1] = (u + (((pred_L[1] - pred_TL[1]) >> 1) + pred_T[1])) & 0x3ff;
+ dst_y[x + 1] = pred_L[0] = (y2 + ((3 * (pred_T[3] + pred_L[0]) - 2 * pred_T[0]) >> 2)) & 0x3ff;
+ dst_v[x / 2] = pred_L[2] = (v + (((pred_L[2] - pred_TL[2]) >> 1) + pred_T[2])) & 0x3ff;
+ dst_a[x ] = pred_L[4] = (a1 + ((3 * (pred_T[4] + pred_L[4]) - 2 * pred_TL[4]) >> 2)) & 0x3ff;
+ dst_a[x + 1] = pred_L[4] = (a2 + ((3 * (pred_T[5] + pred_L[4]) - 2 * pred_T[4]) >> 2)) & 0x3ff;
+
+ pred_TL[0] = pred_T[3];
+ pred_TL[1] = pred_T[1];
+ pred_TL[2] = pred_T[2];
+ pred_TL[4] = pred_T[5];
+ }
+ }
+
+ dst_y += p->linesize[0] / 2;
+ dst_u += p->linesize[1] / 2;
+ dst_v += p->linesize[2] / 2;
+ dst_a += p->linesize[3] / 2;
+ }
+}
+
+static void decode_c82p(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
+{
+ SheerVideoContext *s = avctx->priv_data;
+ uint8_t *dst_y, *dst_u, *dst_v, *dst_a;
+ int x, y;
+
+ dst_y = p->data[0];
+ dst_u = p->data[1];
+ dst_v = p->data[2];
+ dst_a = p->data[3];
+
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x += 2) {
+ dst_y[x ] = get_bits(gb, 8);
+ dst_u[x / 2] = get_bits(gb, 8);
+ dst_y[x + 1] = get_bits(gb, 8);
+ dst_a[x ] = get_bits(gb, 8);
+ dst_v[x / 2] = get_bits(gb, 8);
+ dst_a[x + 1] = get_bits(gb, 8);
+ }
+ } else {
+ int pred[4] = { -125, 128, 128, 125 };
+
+ for (x = 0; x < avctx->width; x += 2) {
+ int y1, y2, u, v, a1, a2;
+
+ a1 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ a2 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_y[x ] = pred[0] = (y1 + pred[0]) & 0xff;
+ dst_u[x / 2] = pred[1] = (u + pred[1]) & 0xff;
+ dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0xff;
+ dst_a[x ] = pred[3] = (a1 + pred[3]) & 0xff;
+ dst_v[x / 2] = pred[2] = (v + pred[2]) & 0xff;
+ dst_a[x + 1] = pred[3] = (a2 + pred[3]) & 0xff;
+ }
+ }
+
+ dst_y += p->linesize[0];
+ dst_u += p->linesize[1];
+ dst_v += p->linesize[2];
+ dst_a += p->linesize[3];
+
+ for (y = 1; y < avctx->height; y++) {
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x += 2) {
+ dst_y[x ] = get_bits(gb, 8);
+ dst_u[x / 2] = get_bits(gb, 8);
+ dst_y[x + 1] = get_bits(gb, 8);
+ dst_a[x ] = get_bits(gb, 8);
+ dst_v[x / 2] = get_bits(gb, 8);
+ dst_a[x + 1] = get_bits(gb, 8);
+ }
+ } else {
+ int pred_TL[6], pred_L[6], pred_T[6];
+ int y1, y2, u, v, a1, a2;
+
+ pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0]];
+ pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1]];
+ pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2]];
+ pred_TL[4] = pred_L[4] = dst_a[-p->linesize[3]];
+
+ for (x = 0; x < avctx->width; x += 2) {
+ pred_T[0] = dst_y[-p->linesize[0] + x];
+ pred_T[3] = dst_y[-p->linesize[0] + x + 1];
+ pred_T[1] = dst_u[-p->linesize[1] + x / 2];
+ pred_T[2] = dst_v[-p->linesize[2] + x / 2];
+ pred_T[4] = dst_a[-p->linesize[3] + x];
+ pred_T[5] = dst_a[-p->linesize[3] + x + 1];
+
+ a1 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ a2 = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_y[x ] = pred_L[0] = (y1 + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff;
+ dst_u[x / 2] = pred_L[1] = (u + (((pred_L[1] - pred_TL[1]) >> 1) + pred_T[1])) & 0xff;
+ dst_y[x + 1] = pred_L[0] = (y2 + ((3 * (pred_T[3] + pred_L[0]) - 2 * pred_T[0]) >> 2)) & 0xff;
+ dst_v[x / 2] = pred_L[2] = (v + (((pred_L[2] - pred_TL[2]) >> 1) + pred_T[2])) & 0xff;
+ dst_a[x ] = pred_L[4] = (a1 + ((3 * (pred_T[4] + pred_L[4]) - 2 * pred_TL[4]) >> 2)) & 0xff;
+ dst_a[x + 1] = pred_L[4] = (a2 + ((3 * (pred_T[5] + pred_L[4]) - 2 * pred_T[4]) >> 2)) & 0xff;
+
+ pred_TL[0] = pred_T[3];
+ pred_TL[1] = pred_T[1];
+ pred_TL[2] = pred_T[2];
+ pred_TL[4] = pred_T[5];
+ }
+ }
+
+ dst_y += p->linesize[0];
+ dst_u += p->linesize[1];
+ dst_v += p->linesize[2];
+ dst_a += p->linesize[3];
+ }
+}
+
+static void decode_ybyr(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
+{
+ SheerVideoContext *s = avctx->priv_data;
+ uint8_t *dst_y, *dst_u, *dst_v;
+ int x, y;
+
+ dst_y = p->data[0];
+ dst_u = p->data[1];
+ dst_v = p->data[2];
+
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x += 2) {
+ dst_y[x ] = get_bits(gb, 8);
+ dst_u[x / 2] = get_bits(gb, 8);
+ dst_y[x + 1] = get_bits(gb, 8);
+ dst_v[x / 2] = get_bits(gb, 8);
+ }
+ } else {
+ int pred[4] = { -125, 128, 128, 0 };
+
+ for (x = 0; x < avctx->width; x += 2) {
+ int y1, y2, u, v;
+
+ y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_y[x ] = pred[0] = (y1 + pred[0]) & 0xff;
+ dst_u[x / 2] = pred[1] = (u + pred[1]) & 0xff;
+ dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0xff;
+ dst_v[x / 2] = pred[2] = (v + pred[2]) & 0xff;
+ }
+ }
+
+ dst_y += p->linesize[0];
+ dst_u += p->linesize[1];
+ dst_v += p->linesize[2];
+
+ for (y = 1; y < avctx->height; y++) {
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x += 2) {
+ dst_y[x ] = get_bits(gb, 8);
+ dst_u[x / 2] = get_bits(gb, 8);
+ dst_y[x + 1] = get_bits(gb, 8);
+ dst_v[x / 2] = get_bits(gb, 8);
+ }
+ } else {
+ int pred_TL[4], pred_L[4], pred_T[4];
+ int y1, y2, u, v;
+
+ pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0]];
+ pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1]];
+ pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2]];
+
+ for (x = 0; x < avctx->width; x += 2) {
+ pred_T[0] = dst_y[-p->linesize[0] + x];
+ pred_T[3] = dst_y[-p->linesize[0] + x + 1];
+ pred_T[1] = dst_u[-p->linesize[1] + x / 2];
+ pred_T[2] = dst_v[-p->linesize[2] + x / 2];
+
+ y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_y[x ] = pred_L[0] = (y1 + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff;
+ dst_u[x / 2] = pred_L[1] = (u + (((pred_L[1] - pred_TL[1]) >> 1) + pred_T[1])) & 0xff;
+ dst_y[x + 1] = pred_L[0] = (y2 + ((3 * (pred_T[3] + pred_L[0]) - 2 * pred_T[0]) >> 2)) & 0xff;
+ dst_v[x / 2] = pred_L[2] = (v + (((pred_L[2] - pred_TL[2]) >> 1) + pred_T[2])) & 0xff;
+
+ pred_TL[0] = pred_T[3];
+ pred_TL[1] = pred_T[1];
+ pred_TL[2] = pred_T[2];
+ }
+ }
+
+ dst_y += p->linesize[0];
+ dst_u += p->linesize[1];
+ dst_v += p->linesize[2];
+ }
+}
+
+static void decode_byry(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
+{
+ SheerVideoContext *s = avctx->priv_data;
+ uint8_t *dst_y, *dst_u, *dst_v;
+ int x, y;
+
+ dst_y = p->data[0];
+ dst_u = p->data[1];
+ dst_v = p->data[2];
+
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x += 2) {
+ dst_y[x ] = get_bits(gb, 8);
+ dst_u[x / 2] = get_bits(gb, 8);
+ dst_y[x + 1] = get_bits(gb, 8);
+ dst_v[x / 2] = get_bits(gb, 8);
+ }
+ } else {
+ int pred[4] = { 125, -128, -128, 0 };
+
+ for (x = 0; x < avctx->width; x += 2) {
+ int y1, y2, u, v;
+
+ y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_y[x ] = pred[0] = (y1 + pred[0]) & 0xff;
+ dst_u[x / 2] = pred[1] = (u + pred[1]) & 0xff;
+ dst_y[x + 1] = pred[0] = (y2 + pred[0]) & 0xff;
+ dst_v[x / 2] = pred[2] = (v + pred[2]) & 0xff;
+ }
+ }
+
+ dst_y += p->linesize[0];
+ dst_u += p->linesize[1];
+ dst_v += p->linesize[2];
+
+ for (y = 1; y < avctx->height; y++) {
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x += 2) {
+ dst_y[x ] = get_bits(gb, 8);
+ dst_u[x / 2] = get_bits(gb, 8);
+ dst_y[x + 1] = get_bits(gb, 8);
+ dst_v[x / 2] = get_bits(gb, 8);
+ }
+ } else {
+ int pred_TL[4], pred_L[4], pred_T[4];
+ int y1, y2, u, v;
+
+ pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0]];
+ pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1]];
+ pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2]];
+
+ for (x = 0; x < avctx->width; x += 2) {
+ pred_T[0] = dst_y[-p->linesize[0] + x];
+ pred_T[3] = dst_y[-p->linesize[0] + x + 1];
+ pred_T[1] = dst_u[-p->linesize[1] + x / 2];
+ pred_T[2] = dst_v[-p->linesize[2] + x / 2];
+
+ y1 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ y2 = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_y[x ] = pred_L[0] = (y1 + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff;
+ dst_u[x / 2] = pred_L[1] = (u + (((pred_L[1] - pred_TL[1]) >> 1) + pred_T[1])) & 0xff;
+ dst_y[x + 1] = pred_L[0] = (y2 + ((3 * (pred_T[3] + pred_L[0]) - 2 * pred_T[0]) >> 2)) & 0xff;
+ dst_v[x / 2] = pred_L[2] = (v + (((pred_L[2] - pred_TL[2]) >> 1) + pred_T[2])) & 0xff;
+
+ pred_TL[0] = pred_T[3];
+ pred_TL[1] = pred_T[1];
+ pred_TL[2] = pred_T[2];
+ }
+ }
+
+ dst_y += p->linesize[0];
+ dst_u += p->linesize[1];
+ dst_v += p->linesize[2];
+ }
+}
+
+static void decode_ybr(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
+{
+ SheerVideoContext *s = avctx->priv_data;
+ uint8_t *dst_y, *dst_u, *dst_v;
+ int x, y;
+
+ dst_y = p->data[0];
+ dst_u = p->data[1];
+ dst_v = p->data[2];
+
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x++) {
+ dst_y[x] = get_bits(gb, 8);
+ dst_u[x] = get_bits(gb, 8);
+ dst_v[x] = get_bits(gb, 8);
+ }
+ } else {
+ int pred[4] = { 125, -128, -128, -128 };
+
+ for (x = 0; x < avctx->width; x++) {
+ int y, u, v;
+
+ y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_y[x] = pred[0] = (y + pred[0]) & 0xff;
+ dst_u[x] = pred[1] = (u + pred[1]) & 0xff;
+ dst_v[x] = pred[2] = (v + pred[2]) & 0xff;
+ }
+ }
+
+ dst_y += p->linesize[0];
+ dst_u += p->linesize[1];
+ dst_v += p->linesize[2];
+
+ for (y = 1; y < avctx->height; y++) {
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x++) {
+ dst_y[x] = get_bits(gb, 8);
+ dst_u[x] = get_bits(gb, 8);
+ dst_v[x] = get_bits(gb, 8);
+ }
+ } else {
+ int pred_TL[4], pred_L[4], pred_T[4];
+ int y, u, v;
+
+ pred_TL[0] = pred_L[0] = dst_y[-p->linesize[0]];
+ pred_TL[1] = pred_L[1] = dst_u[-p->linesize[1]];
+ pred_TL[2] = pred_L[2] = dst_v[-p->linesize[2]];
+
+ for (x = 0; x < avctx->width; x++) {
+ pred_T[0] = dst_y[-p->linesize[0] + x];
+ pred_T[1] = dst_u[-p->linesize[1] + x];
+ pred_T[2] = dst_v[-p->linesize[2] + x];
+
+ y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_y[x] = pred_L[0] = (y + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff;
+ dst_u[x] = pred_L[1] = (u + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0xff;
+ dst_v[x] = pred_L[2] = (v + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0xff;
+
+ pred_TL[0] = pred_T[0];
+ pred_TL[1] = pred_T[1];
+ pred_TL[2] = pred_T[2];
+ }
+ }
+
+ dst_y += p->linesize[0];
+ dst_u += p->linesize[1];
+ dst_v += p->linesize[2];
+ }
+}
+
+static void decode_aybr(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
+{
+ SheerVideoContext *s = avctx->priv_data;
+ uint8_t *dst_a, *dst_y, *dst_u, *dst_v;
+ int x, y;
+
+ dst_a = p->data[3];
+ dst_y = p->data[0];
+ dst_u = p->data[1];
+ dst_v = p->data[2];
+
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x++) {
+ dst_a[x] = get_bits(gb, 8);
+ dst_y[x] = get_bits(gb, 8);
+ dst_u[x] = get_bits(gb, 8);
+ dst_v[x] = get_bits(gb, 8);
+ }
+ } else {
+ int pred[4] = { 125, 125, -128, -128 };
+
+ for (x = 0; x < avctx->width; x++) {
+ int a, y, u, v;
+
+ a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_a[x] = pred[0] = (a + pred[0]) & 0xff;
+ dst_y[x] = pred[1] = (y + pred[1]) & 0xff;
+ dst_u[x] = pred[2] = (u + pred[2]) & 0xff;
+ dst_v[x] = pred[3] = (v + pred[3]) & 0xff;
+ }
+ }
+
+ dst_a += p->linesize[3];
+ dst_y += p->linesize[0];
+ dst_u += p->linesize[1];
+ dst_v += p->linesize[2];
+
+ for (y = 1; y < avctx->height; y++) {
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x++) {
+ dst_a[x] = get_bits(gb, 8);
+ dst_y[x] = get_bits(gb, 8);
+ dst_u[x] = get_bits(gb, 8);
+ dst_v[x] = get_bits(gb, 8);
+ }
+ } else {
+ int pred_TL[4], pred_L[4], pred_T[4];
+ int a, y, u, v;
+
+ pred_TL[0] = pred_L[0] = dst_a[-p->linesize[3]];
+ pred_TL[1] = pred_L[1] = dst_y[-p->linesize[0]];
+ pred_TL[2] = pred_L[2] = dst_u[-p->linesize[1]];
+ pred_TL[3] = pred_L[3] = dst_v[-p->linesize[2]];
+
+ for (x = 0; x < avctx->width; x++) {
+ pred_T[0] = dst_a[-p->linesize[3] + x];
+ pred_T[1] = dst_y[-p->linesize[0] + x];
+ pred_T[2] = dst_u[-p->linesize[1] + x];
+ pred_T[3] = dst_v[-p->linesize[2] + x];
+
+ a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ y = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ u = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ v = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_a[x] = pred_L[0] = (a + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff;
+ dst_y[x] = pred_L[1] = (y + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0xff;
+ dst_u[x] = pred_L[2] = (u + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0xff;
+ dst_v[x] = pred_L[3] = (v + ((3 * (pred_T[3] + pred_L[3]) - 2 * pred_TL[3]) >> 2)) & 0xff;
+
+ pred_TL[0] = pred_T[0];
+ pred_TL[1] = pred_T[1];
+ pred_TL[2] = pred_T[2];
+ pred_TL[3] = pred_T[3];
+ }
+ }
+
+ dst_a += p->linesize[3];
+ dst_y += p->linesize[0];
+ dst_u += p->linesize[1];
+ dst_v += p->linesize[2];
+ }
+}
+
+static void decode_argx(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
+{
+ SheerVideoContext *s = avctx->priv_data;
+ uint16_t *dst_r, *dst_g, *dst_b, *dst_a;
+ int x, y;
+
+ dst_r = (uint16_t *)p->data[2];
+ dst_g = (uint16_t *)p->data[0];
+ dst_b = (uint16_t *)p->data[1];
+ dst_a = (uint16_t *)p->data[3];
+
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x++) {
+ dst_a[x] = get_bits(gb, 10);
+ dst_r[x] = get_bits(gb, 10);
+ dst_g[x] = get_bits(gb, 10);
+ dst_b[x] = get_bits(gb, 10);
+ }
+ } else {
+ int pred[4] = { 512, 512, 512, 0 };
+
+ for (x = 0; x < avctx->width; x++) {
+ int r, g, b, a;
+
+ a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_a[x] = pred[3] = (a + pred[3]) & 0x3ff;
+ dst_r[x] = pred[0] = (r + pred[0]) & 0x3ff;
+ dst_g[x] = pred[1] = (r + g + pred[1]) & 0x3ff;
+ dst_b[x] = pred[2] = (r + g + b + pred[2]) & 0x3ff;
+ }
+ }
+
+ dst_r += p->linesize[2] / 2;
+ dst_g += p->linesize[0] / 2;
+ dst_b += p->linesize[1] / 2;
+ dst_a += p->linesize[3] / 2;
+
+ for (y = 1; y < avctx->height; y++) {
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x++) {
+ dst_a[x] = get_bits(gb, 10);
+ dst_r[x] = get_bits(gb, 10);
+ dst_g[x] = get_bits(gb, 10);
+ dst_b[x] = get_bits(gb, 10);
+ }
+ } else {
+ int pred_TL[4], pred_L[4], pred_T[4];
+ int r, g, b, a;
+
+ pred_TL[0] = pred_L[0] = dst_r[-p->linesize[2] / 2];
+ pred_TL[1] = pred_L[1] = dst_g[-p->linesize[0] / 2];
+ pred_TL[2] = pred_L[2] = dst_b[-p->linesize[1] / 2];
+ pred_TL[3] = pred_L[3] = dst_a[-p->linesize[3] / 2];
+
+ for (x = 0; x < avctx->width; x++) {
+ pred_T[0] = dst_r[-p->linesize[2] / 2 + x];
+ pred_T[1] = dst_g[-p->linesize[0] / 2 + x];
+ pred_T[2] = dst_b[-p->linesize[1] / 2 + x];
+ pred_T[3] = dst_a[-p->linesize[3] / 2 + x];
+
+ a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_a[x] = pred_L[3] = (a + ((3 * (pred_T[3] + pred_L[3]) - 2 * pred_TL[3]) >> 2)) & 0x3ff;
+ dst_r[x] = pred_L[0] = (r + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0x3ff;
+ dst_g[x] = pred_L[1] = (r + g + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0x3ff;
+ dst_b[x] = pred_L[2] = (r + g + b + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0x3ff;
+
+ pred_TL[0] = pred_T[0];
+ pred_TL[1] = pred_T[1];
+ pred_TL[2] = pred_T[2];
+ pred_TL[3] = pred_T[3];
+ }
+ }
+
+ dst_r += p->linesize[2] / 2;
+ dst_g += p->linesize[0] / 2;
+ dst_b += p->linesize[1] / 2;
+ dst_a += p->linesize[3] / 2;
+ }
+}
+
+static void decode_rgbx(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
+{
+ SheerVideoContext *s = avctx->priv_data;
+ uint16_t *dst_r, *dst_g, *dst_b;
+ int x, y;
+
+ dst_r = (uint16_t *)p->data[2];
+ dst_g = (uint16_t *)p->data[0];
+ dst_b = (uint16_t *)p->data[1];
+
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x++) {
+ dst_r[x] = get_bits(gb, 10);
+ dst_g[x] = get_bits(gb, 10);
+ dst_b[x] = get_bits(gb, 10);
+ }
+ } else {
+ int pred[4] = { 512, 512, 512, 0 };
+
+ for (x = 0; x < avctx->width; x++) {
+ int r, g, b;
+
+ r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_r[x] = pred[0] = (r + pred[0]) & 0x3ff;
+ dst_g[x] = pred[1] = (r + g + pred[1]) & 0x3ff;
+ dst_b[x] = pred[2] = (r + g + b + pred[2]) & 0x3ff;
+ }
+ }
+
+ dst_r += p->linesize[2] / 2;
+ dst_g += p->linesize[0] / 2;
+ dst_b += p->linesize[1] / 2;
+
+ for (y = 1; y < avctx->height; y++) {
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x++) {
+ dst_r[x] = get_bits(gb, 10);
+ dst_g[x] = get_bits(gb, 10);
+ dst_b[x] = get_bits(gb, 10);
+ }
+ } else {
+ int pred_TL[4], pred_L[4], pred_T[4];
+ int r, g, b;
+
+ pred_TL[0] = pred_L[0] = dst_r[-p->linesize[2] / 2];
+ pred_TL[1] = pred_L[1] = dst_g[-p->linesize[0] / 2];
+ pred_TL[2] = pred_L[2] = dst_b[-p->linesize[1] / 2];
+
+ for (x = 0; x < avctx->width; x++) {
+ pred_T[0] = dst_r[-p->linesize[2] / 2 + x];
+ pred_T[1] = dst_g[-p->linesize[0] / 2 + x];
+ pred_T[2] = dst_b[-p->linesize[1] / 2 + x];
+
+ r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst_r[x] = pred_L[0] = (r + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0x3ff;
+ dst_g[x] = pred_L[1] = (r + g + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0x3ff;
+ dst_b[x] = pred_L[2] = (r + g + b + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0x3ff;
+
+ pred_TL[0] = pred_T[0];
+ pred_TL[1] = pred_T[1];
+ pred_TL[2] = pred_T[2];
+ }
+ }
+
+ dst_r += p->linesize[2] / 2;
+ dst_g += p->linesize[0] / 2;
+ dst_b += p->linesize[1] / 2;
+ }
+}
+
+static void decode_argb(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
+{
+ SheerVideoContext *s = avctx->priv_data;
+ uint8_t *dst;
+ int x, y;
+
+ dst = p->data[0];
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x++) {
+ dst[x * 4 + 0] = get_bits(gb, 8);
+ dst[x * 4 + 1] = get_bits(gb, 8);
+ dst[x * 4 + 2] = get_bits(gb, 8);
+ dst[x * 4 + 3] = get_bits(gb, 8);
+ }
+ } else {
+ int pred[4] = { -128, -128, -128, -128 };
+
+ for (x = 0; x < avctx->width; x++) {
+ int a, r, g, b;
+
+ a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst[4 * x + 0] = pred[0] = (a + pred[0]) & 0xff;
+ dst[4 * x + 1] = pred[1] = (r + pred[1]) & 0xff;
+ dst[4 * x + 2] = pred[2] = (r + g + pred[2]) & 0xff;
+ dst[4 * x + 3] = pred[3] = (r + g + b + pred[3]) & 0xff;
+ }
+ }
+
+ dst += p->linesize[0];
+ for (y = 1; y < avctx->height; y++) {
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x++) {
+ dst[x * 4 + 0] = get_bits(gb, 8);
+ dst[x * 4 + 1] = get_bits(gb, 8);
+ dst[x * 4 + 2] = get_bits(gb, 8);
+ dst[x * 4 + 3] = get_bits(gb, 8);
+ }
+ } else {
+ int pred_TL[4], pred_L[4], pred_T[4];
+ int a, r, g, b;
+
+ pred_TL[0] = pred_L[0] = dst[-p->linesize[0] + 0];
+ pred_TL[1] = pred_L[1] = dst[-p->linesize[0] + 1];
+ pred_TL[2] = pred_L[2] = dst[-p->linesize[0] + 2];
+ pred_TL[3] = pred_L[3] = dst[-p->linesize[0] + 3];
+
+ for (x = 0; x < avctx->width; x++) {
+ pred_T[0] = dst[-p->linesize[0] + 4 * x + 0];
+ pred_T[1] = dst[-p->linesize[0] + 4 * x + 1];
+ pred_T[2] = dst[-p->linesize[0] + 4 * x + 2];
+ pred_T[3] = dst[-p->linesize[0] + 4 * x + 3];
+
+ a = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst[4 * x + 0] = pred_L[0] = (a + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff;
+ dst[4 * x + 1] = pred_L[1] = (r + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0xff;
+ dst[4 * x + 2] = pred_L[2] = (r + g + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0xff;
+ dst[4 * x + 3] = pred_L[3] = (r + g + b + ((3 * (pred_T[3] + pred_L[3]) - 2 * pred_TL[3]) >> 2)) & 0xff;
+
+ pred_TL[0] = pred_T[0];
+ pred_TL[1] = pred_T[1];
+ pred_TL[2] = pred_T[2];
+ pred_TL[3] = pred_T[3];
+ }
+ }
+ dst += p->linesize[0];
+ }
+}
+
+static void decode_rgb(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
+{
+ SheerVideoContext *s = avctx->priv_data;
+ uint8_t *dst;
+ int x, y;
+
+ dst = p->data[0];
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x++) {
+ dst[x * 4 + 0] = get_bits(gb, 8);
+ dst[x * 4 + 1] = get_bits(gb, 8);
+ dst[x * 4 + 2] = get_bits(gb, 8);
+ }
+ } else {
+ int pred[4] = { -128, -128, -128, -128 };
+
+ for (x = 0; x < avctx->width; x++) {
+ int r, g, b;
+
+ r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst[4 * x + 0] = pred[0] = (r + pred[0]) & 0xff;
+ dst[4 * x + 1] = pred[1] = (r + g + pred[1]) & 0xff;
+ dst[4 * x + 2] = pred[2] = (r + g + b + pred[2]) & 0xff;
+ }
+ }
+
+ dst += p->linesize[0];
+ for (y = 1; y < avctx->height; y++) {
+ if (get_bits1(gb)) {
+ for (x = 0; x < avctx->width; x++) {
+ dst[x * 4 + 0] = get_bits(gb, 8);
+ dst[x * 4 + 1] = get_bits(gb, 8);
+ dst[x * 4 + 2] = get_bits(gb, 8);
+ }
+ } else {
+ int pred_TL[4], pred_L[4], pred_T[4];
+ int r, g, b;
+
+ pred_TL[0] = pred_L[0] = dst[-p->linesize[0] + 0];
+ pred_TL[1] = pred_L[1] = dst[-p->linesize[0] + 1];
+ pred_TL[2] = pred_L[2] = dst[-p->linesize[0] + 2];
+
+ for (x = 0; x < avctx->width; x++) {
+ pred_T[0] = dst[-p->linesize[0] + 4 * x + 0];
+ pred_T[1] = dst[-p->linesize[0] + 4 * x + 1];
+ pred_T[2] = dst[-p->linesize[0] + 4 * x + 2];
+
+ r = get_vlc2(gb, s->vlc[0].table, s->vlc[0].bits, 2);
+ g = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+ b = get_vlc2(gb, s->vlc[1].table, s->vlc[1].bits, 2);
+
+ dst[4 * x + 0] = pred_L[0] = (r + ((3 * (pred_T[0] + pred_L[0]) - 2 * pred_TL[0]) >> 2)) & 0xff;
+ dst[4 * x + 1] = pred_L[1] = (r + g + ((3 * (pred_T[1] + pred_L[1]) - 2 * pred_TL[1]) >> 2)) & 0xff;
+ dst[4 * x + 2] = pred_L[2] = (r + g + b + ((3 * (pred_T[2] + pred_L[2]) - 2 * pred_TL[2]) >> 2)) & 0xff;
+
+ pred_TL[0] = pred_T[0];
+ pred_TL[1] = pred_T[1];
+ pred_TL[2] = pred_T[2];
+ }
+ }
+ dst += p->linesize[0];
+ }
+}
+
+static int build_vlc(VLC *vlc, const uint8_t *len, int count)
+{
+ uint32_t codes[1024];
+ uint8_t bits[1024];
+ uint16_t syms[1024];
+ uint64_t index;
+ int i;
+
+ index = 0;
+ for (i = 0; i < count; i++) {
+ codes[i] = index >> (32 - len[i]);
+ bits[i] = len[i];
+ syms[i] = i;
+ index += 1ULL << (32 - len[i]);
+ }
+
+ ff_free_vlc(vlc);
+ return ff_init_vlc_sparse(vlc, 16, count,
+ bits, sizeof(*bits), sizeof(*bits),
+ codes, sizeof(*codes), sizeof(*codes),
+ syms, sizeof(*syms), sizeof(*syms), 0);
+}
+
+static int decode_frame(AVCodecContext *avctx,
+ void *data, int *got_frame,
+ AVPacket *avpkt)
+{
+ SheerVideoContext *s = avctx->priv_data;
+ ThreadFrame frame = { .f = data };
+ AVFrame *p = data;
+ GetBitContext gb;
+ unsigned format;
+ int ret;
+
+ if (avpkt->size <= 20)
+ return AVERROR_INVALIDDATA;
+
+ if (AV_RL32(avpkt->data) != MKTAG('S','h','i','r') &&
+ AV_RL32(avpkt->data) != MKTAG('Z','w','a','k'))
+ return AVERROR_INVALIDDATA;
+
+ format = AV_RL32(avpkt->data + 16);
+ switch (format) {
+ case MKTAG(' ', 'R', 'G', 'B'):
+ avctx->pix_fmt = AV_PIX_FMT_RGB0;
+ s->decode_frame = decode_rgb;
+ if (s->format != format) {
+ build_vlc(&s->vlc[0], l_r_rgb, 256);
+ build_vlc(&s->vlc[1], l_g_rgb, 256);
+ }
+ break;
+ case MKTAG('A', 'R', 'G', 'X'):
+ avctx->pix_fmt = AV_PIX_FMT_GBRAP12;
+ s->decode_frame = decode_argx;
+ if (s->format != format) {
+ build_vlc(&s->vlc[0], l_r_rgbx, 1024);
+ build_vlc(&s->vlc[1], l_g_rgbx, 1024);
+ }
+ break;
+ case MKTAG('R', 'G', 'B', 'X'):
+ avctx->pix_fmt = AV_PIX_FMT_GBRP10;
+ s->decode_frame = decode_rgbx;
+ if (s->format != format) {
+ build_vlc(&s->vlc[0], l_r_rgbx, 1024);
+ build_vlc(&s->vlc[1], l_g_rgbx, 1024);
+ }
+ break;
+ case MKTAG('A', 'R', 'G', 'B'):
+ avctx->pix_fmt = AV_PIX_FMT_ARGB;
+ s->decode_frame = decode_argb;
+ if (s->format != format) {
+ build_vlc(&s->vlc[0], l_r_rgb, 256);
+ build_vlc(&s->vlc[1], l_g_rgb, 256);
+ }
+ break;
+ case MKTAG('A', 'Y', 'b', 'R'):
+ avctx->pix_fmt = AV_PIX_FMT_YUVA444P;
+ s->decode_frame = decode_aybr;
+ if (s->format != format) {
+ build_vlc(&s->vlc[0], l_y_ybr, 256);
+ build_vlc(&s->vlc[1], l_u_ybr, 256);
+ }
+ break;
+ case MKTAG(' ', 'Y', 'b', 'R'):
+ avctx->pix_fmt = AV_PIX_FMT_YUV444P;
+ s->decode_frame = decode_ybr;
+ if (s->format != format) {
+ build_vlc(&s->vlc[0], l_y_ybr, 256);
+ build_vlc(&s->vlc[1], l_u_ybr, 256);
+ }
+ break;
+ case MKTAG('Y', 'B', 'R', 0x0a):
+ avctx->pix_fmt = AV_PIX_FMT_YUV444P10;
+ s->decode_frame = decode_ybr10;
+ if (s->format != format) {
+ build_vlc(&s->vlc[0], l_y_ybr10, 1024);
+ build_vlc(&s->vlc[1], l_u_ybr10, 1024);
+ }
+ break;
+ case MKTAG('C', 'A', '4', 'p'):
+ avctx->pix_fmt = AV_PIX_FMT_YUVA444P10;
+ s->decode_frame = decode_ca4p;
+ if (s->format != format) {
+ build_vlc(&s->vlc[0], l_y_ybr10, 1024);
+ build_vlc(&s->vlc[1], l_u_ybr10, 1024);
+ }
+ break;
+ case MKTAG('B', 'Y', 'R', 'Y'):
+ avctx->pix_fmt = AV_PIX_FMT_YUV422P;
+ s->decode_frame = decode_byry;
+ if (s->format != format) {
+ build_vlc(&s->vlc[0], l_y_byry, 256);
+ build_vlc(&s->vlc[1], l_u_byry, 256);
+ }
+ break;
+ case MKTAG('Y', 'b', 'Y', 'r'):
+ avctx->pix_fmt = AV_PIX_FMT_YUV422P;
+ s->decode_frame = decode_ybyr;
+ if (s->format != format) {
+ build_vlc(&s->vlc[0], l_y_ybyr, 256);
+ build_vlc(&s->vlc[1], l_u_ybyr, 256);
+ }
+ break;
+ case MKTAG('C', '8', '2', 'p'):
+ avctx->pix_fmt = AV_PIX_FMT_YUVA422P;
+ s->decode_frame = decode_c82p;
+ if (s->format != format) {
+ build_vlc(&s->vlc[0], l_y_byry, 256);
+ build_vlc(&s->vlc[1], l_u_byry, 256);
+ }
+ break;
+ case MKTAG(0xa2, 'Y', 'R', 'Y'):
+ avctx->pix_fmt = AV_PIX_FMT_YUV422P10;
+ s->decode_frame = decode_yry10;
+ if (s->format != format) {
+ build_vlc(&s->vlc[0], l_y_yry10, 1024);
+ build_vlc(&s->vlc[1], l_u_yry10, 1024);
+ }
+ break;
+ case MKTAG('C', 'A', '2', 'p'):
+ avctx->pix_fmt = AV_PIX_FMT_YUVA422P10;
+ s->decode_frame = decode_ca2p;
+ if (s->format != format) {
+ build_vlc(&s->vlc[0], l_y_yry10, 1024);
+ build_vlc(&s->vlc[1], l_u_yry10, 1024);
+ }
+ break;
+ default:
+ avpriv_request_sample(avctx, "unsupported format: 0x%X", format);
+ return AVERROR_PATCHWELCOME;
+ }
+ s->format = format;
+
+ p->pict_type = AV_PICTURE_TYPE_I;
+ p->key_frame = 1;
+
+ if ((ret = ff_thread_get_buffer(avctx, &frame, 0)) < 0)
+ return ret;
+
+ if ((ret = init_get_bits8(&gb, avpkt->data + 20, avpkt->size - 20)) < 0)
+ return ret;
+
+ s->decode_frame(avctx, p, &gb);
+
+ *got_frame = 1;
+
+ return avpkt->size;
+}
+
+#if HAVE_THREADS
+static int decode_init_thread_copy(AVCodecContext *avctx)
+{
+ SheerVideoContext *s = avctx->priv_data;
+
+ s->format = 0;
+ memset(&s->vlc[0], 0, sizeof(s->vlc[0]));
+ memset(&s->vlc[1], 0, sizeof(s->vlc[1]));
+
+ return 0;
+}
+#endif
+
+static av_cold int decode_end(AVCodecContext *avctx)
+{
+ SheerVideoContext *s = avctx->priv_data;
+
+ ff_free_vlc(&s->vlc[0]);
+ ff_free_vlc(&s->vlc[1]);
+
+ return 0;
+}
+
+AVCodec ff_sheervideo_decoder = {
+ .name = "sheervideo",
+ .long_name = NULL_IF_CONFIG_SMALL("BitJazz SheerVideo"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_SHEERVIDEO,
+ .priv_data_size = sizeof(SheerVideoContext),
+ .init_thread_copy = ONLY_IF_THREADS_ENABLED(decode_init_thread_copy),
+ .close = decode_end,
+ .decode = decode_frame,
+ .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
+};
diff --git a/libavcodec/version.h b/libavcodec/version.h
index cf7f231f76..d30d3e253d 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -28,8 +28,8 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 57
-#define LIBAVCODEC_VERSION_MINOR 44
-#define LIBAVCODEC_VERSION_MICRO 101
+#define LIBAVCODEC_VERSION_MINOR 45
+#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-20 17:52:03 +0000