@@ -782,6 +782,17 @@ u32 fwht_encode_frame(struct fwht_raw_frame *frm,
encoding |= FWHT_CR_UNENCODED;
encoding &= ~FWHT_FRAME_UNENCODED;
}
+
+ if (frm->components_num == 4) {
+ rlco_max = rlco + size / 2 - 256;
+ encoding = encode_plane(frm->alpha, ref_frm->alpha, &rlco, rlco_max, cf,
+ frm->height, frm->width,
+ frm->luma_alpha_step, is_intra, next_is_intra);
+ if (encoding & FWHT_FRAME_UNENCODED)
+ encoding |= FWHT_ALPHA_UNENCODED;
+ encoding &= ~FWHT_FRAME_UNENCODED;
+ }
+
cf->size = (rlco - cf->rlc_data) * sizeof(*rlco);
return encoding;
}
@@ -860,4 +871,8 @@ void fwht_decode_frame(struct fwht_cframe *cf, struct fwht_raw_frame *ref,
decode_plane(cf, &rlco, ref->cr, h, w,
hdr_flags & FWHT_FL_CR_IS_UNCOMPRESSED);
}
+
+ if (components_num == 4)
+ decode_plane(cf, &rlco, ref->alpha, cf->height, cf->width,
+ hdr_flags & FWHT_FL_ALPHA_IS_UNCOMPRESSED);
}
@@ -75,6 +75,7 @@
#define FWHT_FL_CR_IS_UNCOMPRESSED BIT(6)
#define FWHT_FL_CHROMA_FULL_HEIGHT BIT(7)
#define FWHT_FL_CHROMA_FULL_WIDTH BIT(8)
+#define FWHT_FL_ALPHA_IS_UNCOMPRESSED BIT(9)
/* A 4-values flag - the number of components - 1 */
#define FWHT_FL_COMPONENTS_NUM_MSK GENMASK(17, 16)
@@ -119,6 +120,7 @@ struct fwht_raw_frame {
#define FWHT_LUMA_UNENCODED BIT(2)
#define FWHT_CB_UNENCODED BIT(3)
#define FWHT_CR_UNENCODED BIT(4)
+#define FWHT_ALPHA_UNENCODED BIT(5)
u32 fwht_encode_frame(struct fwht_raw_frame *frm,
struct fwht_raw_frame *ref_frm,
@@ -33,6 +33,8 @@ static const struct v4l2_fwht_pixfmt_info v4l2_fwht_pixfmts[] = {
{ V4L2_PIX_FMT_RGB32, 4, 4, 1, 4, 4, 1, 1, 3},
{ V4L2_PIX_FMT_XRGB32, 4, 4, 1, 4, 4, 1, 1, 3},
{ V4L2_PIX_FMT_HSV32, 4, 4, 1, 4, 4, 1, 1, 3},
+ { V4L2_PIX_FMT_ARGB32, 4, 4, 1, 4, 4, 1, 1, 4},
+ { V4L2_PIX_FMT_ABGR32, 4, 4, 1, 4, 4, 1, 1, 4},
};
@@ -146,6 +148,18 @@ int v4l2_fwht_encode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out)
rf.cr = rf.cb + 2;
rf.luma++;
break;
+ case V4L2_PIX_FMT_ARGB32:
+ rf.alpha = rf.luma;
+ rf.cr = rf.luma + 1;
+ rf.cb = rf.cr + 2;
+ rf.luma += 2;
+ break;
+ case V4L2_PIX_FMT_ABGR32:
+ rf.cb = rf.luma;
+ rf.cr = rf.cb + 2;
+ rf.luma++;
+ rf.alpha = rf.cr + 1;
+ break;
default:
return -EINVAL;
}
@@ -177,6 +191,8 @@ int v4l2_fwht_encode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out)
flags |= FWHT_FL_CB_IS_UNCOMPRESSED;
if (encoding & FWHT_CR_UNENCODED)
flags |= FWHT_FL_CR_IS_UNCOMPRESSED;
+ if (encoding & FWHT_ALPHA_UNENCODED)
+ flags |= FWHT_FL_ALPHA_IS_UNCOMPRESSED;
if (rf.height_div == 1)
flags |= FWHT_FL_CHROMA_FULL_HEIGHT;
if (rf.width_div == 1)
@@ -356,6 +372,22 @@ int v4l2_fwht_decode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out)
*p++ = 0;
}
break;
+ case V4L2_PIX_FMT_ARGB32:
+ for (i = 0, p = p_out; i < size; i++) {
+ *p++ = state->ref_frame.alpha[i];
+ *p++ = state->ref_frame.cr[i];
+ *p++ = state->ref_frame.luma[i];
+ *p++ = state->ref_frame.cb[i];
+ }
+ break;
+ case V4L2_PIX_FMT_ABGR32:
+ for (i = 0, p = p_out; i < size; i++) {
+ *p++ = state->ref_frame.cb[i];
+ *p++ = state->ref_frame.luma[i];
+ *p++ = state->ref_frame.cr[i];
+ *p++ = state->ref_frame.alpha[i];
+ }
+ break;
default:
return -EINVAL;
}
@@ -997,9 +997,11 @@ static int vicodec_start_streaming(struct vb2_queue *q,
/*
* we don't know ahead how many components are in the encoding type
- * V4L2_PIX_FMT_FWHT, so we will allocate space for 3 planes.
+ * V4L2_PIX_FMT_FWHT, so we will allocate space for 4 planes.
*/
- if (info->id == V4L2_PIX_FMT_FWHT || info->components_num >= 3)
+ if (info->id == V4L2_PIX_FMT_FWHT || info->components_num == 4)
+ total_planes_size = 2 * size + 2 * (size / chroma_div);
+ else if (info->components_num == 3)
total_planes_size = size + 2 * (size / chroma_div);
else
total_planes_size = size;
@@ -1028,6 +1030,12 @@ static int vicodec_start_streaming(struct vb2_queue *q,
state->ref_frame.cb = NULL;
state->ref_frame.cr = NULL;
}
+
+ if (info->id == V4L2_PIX_FMT_FWHT || info->components_num == 4)
+ state->ref_frame.alpha = state->ref_frame.cr + size / chroma_div;
+ else
+ state->ref_frame.alpha = NULL;
+
ctx->last_src_buf = NULL;
ctx->last_dst_buf = NULL;
state->gop_cnt = 0;
Add support for formats with 4 planes: V4L2_PIX_FMT_ABGR32, V4L2_PIX_FMT_ARGB32. Also add alpha plane related flags to the header of the encoded file. Signed-off-by: Dafna Hirschfeld <dafna3@gmail.com> --- drivers/media/platform/vicodec/codec-fwht.c | 15 +++++++++ drivers/media/platform/vicodec/codec-fwht.h | 2 ++ .../media/platform/vicodec/codec-v4l2-fwht.c | 32 +++++++++++++++++++ drivers/media/platform/vicodec/vicodec-core.c | 12 +++++-- 4 files changed, 59 insertions(+), 2 deletions(-)