diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c
index 54cf075b8f..cdf72a25dd 100644
--- a/libavcodec/ffv1dec.c
+++ b/libavcodec/ffv1dec.c
@@ -626,6 +626,9 @@ static int read_header(FFV1Context *f)
             } else if (f->avctx->bits_per_raw_sample == 12) {
                 f->packed_at_lsb = 1;
                 f->avctx->pix_fmt = AV_PIX_FMT_GRAY12;
+            } else if (f->avctx->bits_per_raw_sample == 14) {
+                f->packed_at_lsb = 1;
+                f->avctx->pix_fmt = AV_PIX_FMT_GRAY14;
             } else if (f->avctx->bits_per_raw_sample == 16) {
                 f->packed_at_lsb = 1;
                 f->avctx->pix_fmt = AV_PIX_FMT_GRAY16;
@@ -690,6 +693,12 @@ static int read_header(FFV1Context *f)
             case 0x10: f->avctx->pix_fmt = AV_PIX_FMT_YUV422P12; break;
             case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUV420P12; break;
             }
+        } else if (f->avctx->bits_per_raw_sample == 12 && f->transparency) {
+            f->packed_at_lsb = 1;
+            switch(16 * f->chroma_h_shift + f->chroma_v_shift) {
+            case 0x00: f->avctx->pix_fmt = AV_PIX_FMT_YUVA444P12; break;
+            case 0x10: f->avctx->pix_fmt = AV_PIX_FMT_YUVA422P12; break;
+            }
         } else if (f->avctx->bits_per_raw_sample == 14 && !f->transparency) {
             f->packed_at_lsb = 1;
             switch(16 * f->chroma_h_shift + f->chroma_v_shift) {
@@ -734,6 +743,8 @@ static int read_header(FFV1Context *f)
             f->avctx->pix_fmt = AV_PIX_FMT_GBRAP12;
         else if (f->avctx->bits_per_raw_sample == 14 && !f->transparency)
             f->avctx->pix_fmt = AV_PIX_FMT_GBRP14;
+        else if (f->avctx->bits_per_raw_sample == 14 && f->transparency)
+            f->avctx->pix_fmt = AV_PIX_FMT_GBRAP14;
         else if (f->avctx->bits_per_raw_sample == 16 && !f->transparency) {
             f->avctx->pix_fmt = AV_PIX_FMT_GBRP16;
             f->use32bit = 1;
diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c
index 746f717568..2778c63012 100644
--- a/libavcodec/ffv1enc.c
+++ b/libavcodec/ffv1enc.c
@@ -585,8 +585,11 @@ static av_cold int encode_init(AVCodecContext *avctx)
     case AV_PIX_FMT_YUV440P12:
     case AV_PIX_FMT_YUV420P12:
     case AV_PIX_FMT_YUV422P12:
+    case AV_PIX_FMT_YUVA444P12:
+    case AV_PIX_FMT_YUVA422P12:
         if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)
             s->bits_per_raw_sample = 12;
+    case AV_PIX_FMT_GRAY14:
     case AV_PIX_FMT_YUV444P14:
     case AV_PIX_FMT_YUV420P14:
     case AV_PIX_FMT_YUV422P14:
@@ -667,6 +670,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
         if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)
             s->bits_per_raw_sample = 12;
     case AV_PIX_FMT_GBRP14:
+    case AV_PIX_FMT_GBRAP14:
         if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)
             s->bits_per_raw_sample = 14;
     case AV_PIX_FMT_GBRP16:
@@ -1284,13 +1288,14 @@ const FFCodec ff_ffv1_encoder = {
         AV_PIX_FMT_YUV420P9,  AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
         AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12,
         AV_PIX_FMT_YUVA444P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA420P16,
+        AV_PIX_FMT_YUVA444P12, AV_PIX_FMT_YUVA422P12,
         AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA420P10,
         AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA420P9,
         AV_PIX_FMT_GRAY16,    AV_PIX_FMT_GRAY8,     AV_PIX_FMT_GBRP9,     AV_PIX_FMT_GBRP10,
-        AV_PIX_FMT_GBRP12,    AV_PIX_FMT_GBRP14,
+        AV_PIX_FMT_GBRP12,    AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRAP14,
         AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12,
         AV_PIX_FMT_YA8,
-        AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12,
+        AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14,
         AV_PIX_FMT_GBRP16, AV_PIX_FMT_RGB48,
         AV_PIX_FMT_GBRAP16, AV_PIX_FMT_RGBA64,
         AV_PIX_FMT_GRAY9,