[FFmpeg-devel] [PATCH 1/4] swscale/input: add support for XV36LE

[Philip Langdale]

Signed-off-by: Philip Langdale <philipl at overt.org>
---
 libswscale/input.c | 25 +++++++++++++++++++++++++
 libswscale/utils.c |  1 +
 2 files changed, 26 insertions(+)

diff --git a/libswscale/input.c b/libswscale/input.c
index 92681c9c53..8032360907 100644
--- a/libswscale/input.c
+++ b/libswscale/input.c
@@ -685,6 +685,25 @@ static void read_vuya_A_c(uint8_t *dst, const uint8_t *src, const uint8_t *unuse
         dst[i] = src[i * 4 + 3];
 }
 
+static void read_xv36le_Y_c(uint8_t *dst, const uint8_t *src, const uint8_t *unused0, const uint8_t *unused1, int width,
+                               uint32_t *unused2, void *opq)
+{
+    int i;
+    for (i = 0; i < width; i++)
+        AV_WN16(dst + i * 2, AV_RL16(src + i * 8 + 2) >> 4);
+}
+
+
+static void read_xv36le_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, void *opq)
+{
+    int i;
+    for (i = 0; i < width; i++) {
+        AV_WN16(dstU + i * 2, AV_RL16(src + i * 8 + 0) >> 4);
+        AV_WN16(dstV + i * 2, AV_RL16(src + i * 8 + 4) >> 4);
+    }
+}
+
 /* This is almost identical to the previous, end exists only because
  * yuy2ToY/UV)(dst, src + 1, ...) would have 100% unaligned accesses. */
 static void uyvyToY_c(uint8_t *dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2,  int width,
@@ -1381,6 +1400,9 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
     case AV_PIX_FMT_AYUV64LE:
         c->chrToYV12 = read_ayuv64le_UV_c;
         break;
+    case AV_PIX_FMT_XV36LE:
+        c->chrToYV12 = read_xv36le_UV_c;
+        break;
     case AV_PIX_FMT_P010LE:
     case AV_PIX_FMT_P210LE:
     case AV_PIX_FMT_P410LE:
@@ -1759,6 +1781,9 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
     case AV_PIX_FMT_AYUV64LE:
         c->lumToYV12 = read_ayuv64le_Y_c;
         break;
+    case AV_PIX_FMT_XV36LE:
+        c->lumToYV12 = read_xv36le_Y_c;
+        break;
     case AV_PIX_FMT_YUYV422:
     case AV_PIX_FMT_YVYU422:
     case AV_PIX_FMT_YA8:
diff --git a/libswscale/utils.c b/libswscale/utils.c
index a621a35862..a67e07b612 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -262,6 +262,7 @@ static const FormatEntry format_entries[] = {
     [AV_PIX_FMT_VUYX]        = { 1, 1 },
     [AV_PIX_FMT_RGBAF16BE]   = { 1, 0 },
     [AV_PIX_FMT_RGBAF16LE]   = { 1, 0 },
+    [AV_PIX_FMT_XV36LE]      = { 1, 0 },
 };
 
 int ff_shuffle_filter_coefficients(SwsContext *c, int *filterPos,
-- 
2.34.1