avcodec/sheervideo: add support for 10-bit interlaced YCbCr(A) 4:4:4(:4)

Signed-off-by: Paul B Mahol <onemda@gmail.com>

1 files changed, 233 insertions, 0 deletions

diff --git a/libavcodec/sheervideo.c b/libavcodec/sheervideo.c
index aa48a775dd..73045483a7 100644
--- a/libavcodec/sheervideo.c
+++ b/libavcodec/sheervideo.c
@@ -225,6 +225,73 @@ static const uint8_t l_u_byry[256] = {
     14, 14, 14, 13, 13, 12, 12, 12, 11, 11, 10,  9,  8,  7,  6,  3,
 };
 
+static const uint8_t l_y_ybr10i[1024] = {
+     3,  5,  5,  5,  6,  6,  6,  6,  6,  6,  6,  6,  7,  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,  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, 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, 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, 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, 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, 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, 15, 15, 15, 15, 15, 15, 15, 15, 15,
+    15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
+    15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
+    15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
+    15, 15, 15, 15, 15, 15, 15, 15, 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, 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, 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, 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, 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,  9,  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,  7,  7,  7,  7,
+     7,  7,  7,  7,  7,  6,  6,  6,  6,  6,  6,  6,  6,  5,  5,  5,
+};
+
 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,
@@ -292,6 +359,73 @@ static const uint8_t l_y_ybr10[1024] = {
      7,  7,  7,  7,  6,  6,  6,  6,  6,  6,  6,  5,  5,  5,  5,  5,
 };
 
+static const uint8_t l_u_ybr10i[1024] = {
+     2,  3,  4,  4,  5,  5,  6,  7,  7,  8,  8,  9,  9,  9,  9, 10,
+    10, 10, 10, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12,
+    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, 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, 15, 15,
+    15, 15, 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, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
+    13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10,
+    10, 10, 10,  9,  9,  9,  8,  8,  8,  7,  6,  5,  5,  4,  4,  3,
+};
+
 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,
@@ -703,6 +837,50 @@ static const uint8_t l_u_byryi[256] = {
     12, 11, 11, 11, 10, 10, 10,  9,  9,  8,  8,  7,  7,  5,  4,  3,
 };
 
+static void decode_ca4i(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];
+
+    for (y = 0; 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[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;
+    }
+}
+
 static void decode_ca4p(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
@@ -791,6 +969,45 @@ static void decode_ca4p(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
     }
 }
 
+static void decode_ybr10i(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];
+
+    for (y = 0; 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[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;
+    }
+}
+
 static void decode_ybr10(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
 {
     SheerVideoContext *s = avctx->priv_data;
@@ -2321,6 +2538,14 @@ static int decode_frame(AVCodecContext *avctx,
             build_vlc(&s->vlc[1], l_u_ybr10, 1024);
         }
         break;
+    case MKTAG('y', 'B', 'R', 0x0a):
+        avctx->pix_fmt = AV_PIX_FMT_YUV444P10;
+        s->decode_frame = decode_ybr10i;
+        if (s->format != format) {
+            build_vlc(&s->vlc[0], l_y_ybr10i, 1024);
+            build_vlc(&s->vlc[1], l_u_ybr10i, 1024);
+        }
+        break;
     case MKTAG('C', 'A', '4', 'p'):
         avctx->pix_fmt = AV_PIX_FMT_YUVA444P10;
         s->decode_frame = decode_ca4p;
@@ -2329,6 +2554,14 @@ static int decode_frame(AVCodecContext *avctx,
             build_vlc(&s->vlc[1], l_u_ybr10, 1024);
         }
         break;
+    case MKTAG('C', 'A', '4', 'i'):
+        avctx->pix_fmt = AV_PIX_FMT_YUVA444P10;
+        s->decode_frame = decode_ca4i;
+        if (s->format != format) {
+            build_vlc(&s->vlc[0], l_y_ybr10i, 1024);
+            build_vlc(&s->vlc[1], l_u_ybr10i, 1024);
+        }
+        break;
     case MKTAG('B', 'Y', 'R', 'Y'):
         avctx->pix_fmt = AV_PIX_FMT_YUV422P;
         s->decode_frame = decode_byry;