[FFmpeg-cvslog] swscale: Add swscale input support for Y210LE

[Linjie Fu]

ffmpeg | branch: master | Linjie Fu <linjie.fu at intel.com> | Wed Jan 15 14:59:34 2020 +0800| [d2aa1fbfd4c4599fc0ae8f32b5e95ad65546944b] | committer: Mark Thompson

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 at intel.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d2aa1fbfd4c4599fc0ae8f32b5e95ad65546944b
---

 libswscale/input.c | 24 ++++++++++++++++++++++++
 libswscale/utils.c |  1 +
 2 files changed, 25 insertions(+)

diff --git a/libswscale/input.c b/libswscale/input.c
index 159f70307d..8346cf4da6 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 e9c66aeb4f..bb3495b990 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)