From d2aa1fbfd4c4599fc0ae8f32b5e95ad65546944b Mon Sep 17 00:00:00 2001
From: Linjie Fu <linjie.fu@intel.com>
Date: Wed, 15 Jan 2020 14:59:34 +0800
Subject: [PATCH] swscale: Add swscale input support for Y210LE

Add swscale input support for Y210LE, output support and fate
test could be added later if there is requirement for software
CSC to this packed format.

Signed-off-by: Linjie Fu <linjie.fu@intel.com>
---
 libswscale/input.c | 24 ++++++++++++++++++++++++
 libswscale/utils.c |  1 +
 2 files changed, 25 insertions(+)

diff --git a/libswscale/input.c b/libswscale/input.c
index 159f70307d6..8346cf4da65 100644
--- a/libswscale/input.c
+++ b/libswscale/input.c
@@ -552,6 +552,24 @@ static void yvy2ToUV_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *unused0, con
     av_assert1(src1 == src2);
 }
 
+static void y210le_UV_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *unused0, const uint8_t *src,
+                        const uint8_t *unused1, int width, uint32_t *unused2)
+{
+    int i;
+    for (i = 0; i < width; i++) {
+        AV_WN16(dstU + i * 2, AV_RL16(src + i * 8 + 2) >> 6);
+        AV_WN16(dstV + i * 2, AV_RL16(src + i * 8 + 6) >> 6);
+    }
+}
+
+static void y210le_Y_c(uint8_t *dst, const uint8_t *src, const uint8_t *unused0,
+                       const uint8_t *unused1, int width, uint32_t *unused2)
+{
+    int i;
+    for (i = 0; i < width; i++)
+        AV_WN16(dst + i * 2, AV_RL16(src + i * 4) >> 6);
+}
+
 static void bswap16Y_c(uint8_t *_dst, const uint8_t *_src, const uint8_t *unused1, const uint8_t *unused2, int width,
                        uint32_t *unused)
 {
@@ -1154,6 +1172,9 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
     case AV_PIX_FMT_P016BE:
         c->chrToYV12 = p016BEToUV_c;
         break;
+    case AV_PIX_FMT_Y210LE:
+        c->chrToYV12 = y210le_UV_c;
+        break;
     }
     if (c->chrSrcHSubSample) {
         switch (srcFormat) {
@@ -1586,6 +1607,9 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
         c->lumToYV12 = grayf32ToY16_bswap_c;
 #endif
         break;
+    case AV_PIX_FMT_Y210LE:
+        c->lumToYV12 = y210le_Y_c;
+        break;
     }
     if (c->needAlpha) {
         if (is16BPS(srcFormat) || isNBPS(srcFormat)) {
diff --git a/libswscale/utils.c b/libswscale/utils.c
index e9c66aeb4f9..bb3495b9909 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -266,6 +266,7 @@ static const FormatEntry format_entries[] = {
     [AV_PIX_FMT_YUVA444P12LE] = { 1, 1 },
     [AV_PIX_FMT_NV24]        = { 1, 1 },
     [AV_PIX_FMT_NV42]        = { 1, 1 },
+    [AV_PIX_FMT_Y210LE]      = { 1, 0 },
 };
 
 int sws_isSupportedInput(enum AVPixelFormat pix_fmt)
-- 
2.39.5