[FFmpeg-devel] [PATCH 3/6] Add AV_PIX_FMT_NV12T.

[Alexis Ballier]

This is the only format supported by MFC5 HW decoders (e.g. Samsung exynos 4412).
---
 libavutil/pixdesc.c | 12 ++++++++++++
 libavutil/pixfmt.h  |  1 +
 2 files changed, 13 insertions(+)

diff --git a/libavutil/pixdesc.c b/libavutil/pixdesc.c
index 648d014..426dfd4 100644
--- a/libavutil/pixdesc.c
+++ b/libavutil/pixdesc.c
@@ -1900,6 +1900,18 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
         .name = "vda",
         .flags = AV_PIX_FMT_FLAG_HWACCEL,
     },
+    [AV_PIX_FMT_NV12T] = {
+        .name = "nv12t",
+        .nb_components = 3,
+        .log2_chroma_w = 1,
+        .log2_chroma_h = 1,
+        .comp = {
+            { 0, 0, 1, 0, 7 },        /* Y */
+            { 1, 1, 1, 0, 7 },        /* U */
+            { 1, 1, 2, 0, 7 },        /* V */
+        },
+        .flags = AV_PIX_FMT_FLAG_PLANAR,
+    },
 };
 
 static const char *color_range_names[AVCOL_RANGE_NB] = {
diff --git a/libavutil/pixfmt.h b/libavutil/pixfmt.h
index 756a1a7..c6709a1 100644
--- a/libavutil/pixfmt.h
+++ b/libavutil/pixfmt.h
@@ -289,6 +289,7 @@ enum AVPixelFormat {
 #if !FF_API_XVMC
     AV_PIX_FMT_XVMC,///< XVideo Motion Acceleration via common packet passing
 #endif /* !FF_API_XVMC */
+    AV_PIX_FMT_NV12T,     ///< Same as NV12 except the coordinates differ: Z-shape tiled 64x32 macroblocks. V4L2 specific format corresponding to V4L2_PIX_FMT_NV12MT
 
     AV_PIX_FMT_NB,        ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions
 
-- 
2.1.3