[FFmpeg-cvslog] swscale/input: add X36VBE input support

[James Almer]

ffmpeg | branch: master | James Almer <jamrial at gmail.com> | Tue Oct 15 14:29:43 2024 -0300| [e012a7a24aa4e84bf59da6f9b247ba42c1d92fba] | committer: James Almer

swscale/input: add X36VBE input support

Signed-off-by: James Almer <jamrial at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e012a7a24aa4e84bf59da6f9b247ba42c1d92fba
---

 libswscale/input.c | 25 +++++++++++++++++++++++++
 libswscale/utils.c |  1 +
 2 files changed, 26 insertions(+)

diff --git a/libswscale/input.c b/libswscale/input.c
index 9beb72b8ec..6ac76f6752 100644
--- a/libswscale/input.c
+++ b/libswscale/input.c
@@ -822,6 +822,25 @@ static void read_xv36le_UV_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *unused
     }
 }
 
+static void read_xv36be_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_RB16(src + i * 8 + 2) >> 4);
+}
+
+
+static void read_xv36be_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_RB16(src + i * 8 + 0) >> 4);
+        AV_WN16(dstV + i * 2, AV_RB16(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,
@@ -1671,6 +1690,9 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c,
     case AV_PIX_FMT_XV36LE:
         *chrToYV12 = read_xv36le_UV_c;
         break;
+    case AV_PIX_FMT_XV36BE:
+        *chrToYV12 = read_xv36be_UV_c;
+        break;
     case AV_PIX_FMT_P010LE:
     case AV_PIX_FMT_P210LE:
     case AV_PIX_FMT_P410LE:
@@ -2097,6 +2119,9 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c,
     case AV_PIX_FMT_XV36LE:
         *lumToYV12 = read_xv36le_Y_c;
         break;
+    case AV_PIX_FMT_XV36BE:
+        *lumToYV12 = read_xv36be_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 992d7f01b7..5b2ca8bf1d 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -272,6 +272,7 @@ static const FormatEntry format_entries[] = {
     [AV_PIX_FMT_RGBF32LE]    = { 1, 0 },
     [AV_PIX_FMT_XV30LE]      = { 1, 1 },
     [AV_PIX_FMT_XV36LE]      = { 1, 1 },
+    [AV_PIX_FMT_XV36BE]      = { 1, 0 },
     [AV_PIX_FMT_AYUV]        = { 1, 1 },
     [AV_PIX_FMT_UYVA]        = { 1, 1 },
     [AV_PIX_FMT_VYU444]      = { 1, 1 },