Introduce 'prepare_raw_frame' function that fills the values
of a raw frame struct according to the format.
Signed-off-by: Dafna Hirschfeld <dafna3@xxxxxxxxx>
---
.../media/platform/vicodec/codec-v4l2-fwht.c | 140 ++++++++++--------
1 file changed, 75 insertions(+), 65 deletions(-)
diff --git a/drivers/media/platform/vicodec/codec-v4l2-fwht.c b/drivers/media/platform/vicodec/codec-v4l2-fwht.c
index c15034849133..728ed5012aed 100644
--- a/drivers/media/platform/vicodec/codec-v4l2-fwht.c
+++ b/drivers/media/platform/vicodec/codec-v4l2-fwht.c
@@ -75,117 +75,127 @@ const struct v4l2_fwht_pixfmt_info *v4l2_fwht_get_pixfmt(u32 idx)
return v4l2_fwht_pixfmts + idx;
}
-int v4l2_fwht_encode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out)
+static int prepare_raw_frame(struct fwht_raw_frame *rf,
+ const struct v4l2_fwht_pixfmt_info *info, u8 *buf,
+ unsigned int size)
{
- unsigned int size = state->stride * state->coded_height;
- unsigned int chroma_stride = state->stride;
- const struct v4l2_fwht_pixfmt_info *info = state->info;
- struct fwht_cframe_hdr *p_hdr;
- struct fwht_cframe cf;
- struct fwht_raw_frame rf;
- u32 encoding;
- u32 flags = 0;
-
- if (!info)
- return -EINVAL;
-
- rf.luma = p_in;
- rf.width_div = info->width_div;
- rf.height_div = info->height_div;
- rf.luma_alpha_step = info->luma_alpha_step;
- rf.chroma_step = info->chroma_step;
- rf.alpha = NULL;
- rf.components_num = info->components_num;
+ rf->luma = buf;
+ rf->width_div = info->width_div;
+ rf->height_div = info->height_div;
+ rf->luma_alpha_step = info->luma_alpha_step;
+ rf->chroma_step = info->chroma_step;
+ rf->alpha = NULL;
+ rf->components_num = info->components_num;
switch (info->id) {
case V4L2_PIX_FMT_GREY:
- rf.cb = NULL;
- rf.cr = NULL;
+ rf->cb = NULL;
+ rf->cr = NULL;
break;
case V4L2_PIX_FMT_YUV420:
- rf.cb = rf.luma + size;
- rf.cr = rf.cb + size / 4;
- chroma_stride /= 2;
+ rf->cb = rf->luma + size;
+ rf->cr = rf->cb + size / 4;
break;
case V4L2_PIX_FMT_YVU420:
- rf.cr = rf.luma + size;
- rf.cb = rf.cr + size / 4;
- chroma_stride /= 2;
+ rf->cr = rf->luma + size;
+ rf->cb = rf->cr + size / 4;
break;
case V4L2_PIX_FMT_YUV422P:
- rf.cb = rf.luma + size;
- rf.cr = rf.cb + size / 2;
- chroma_stride /= 2;
+ rf->cb = rf->luma + size;
+ rf->cr = rf->cb + size / 2;
break;
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV16:
case V4L2_PIX_FMT_NV24:
- rf.cb = rf.luma + size;
- rf.cr = rf.cb + 1;
+ rf->cb = rf->luma + size;
+ rf->cr = rf->cb + 1;
break;
case V4L2_PIX_FMT_NV21:
case V4L2_PIX_FMT_NV61:
case V4L2_PIX_FMT_NV42:
- rf.cr = rf.luma + size;
- rf.cb = rf.cr + 1;
+ rf->cr = rf->luma + size;
+ rf->cb = rf->cr + 1;
break;
case V4L2_PIX_FMT_YUYV:
- rf.cb = rf.luma + 1;
- rf.cr = rf.cb + 2;
+ rf->cb = rf->luma + 1;
+ rf->cr = rf->cb + 2;
break;
case V4L2_PIX_FMT_YVYU:
- rf.cr = rf.luma + 1;
- rf.cb = rf.cr + 2;
+ rf->cr = rf->luma + 1;
+ rf->cb = rf->cr + 2;
break;
case V4L2_PIX_FMT_UYVY:
- rf.cb = rf.luma;
- rf.cr = rf.cb + 2;
- rf.luma++;
+ rf->cb = rf->luma;
+ rf->cr = rf->cb + 2;
+ rf->luma++;
break;
case V4L2_PIX_FMT_VYUY:
- rf.cr = rf.luma;
- rf.cb = rf.cr + 2;
- rf.luma++;
+ rf->cr = rf->luma;
+ rf->cb = rf->cr + 2;
+ rf->luma++;
break;
case V4L2_PIX_FMT_RGB24:
case V4L2_PIX_FMT_HSV24:
- rf.cr = rf.luma;
- rf.cb = rf.cr + 2;
- rf.luma++;
+ rf->cr = rf->luma;
+ rf->cb = rf->cr + 2;
+ rf->luma++;
break;
case V4L2_PIX_FMT_BGR24:
- rf.cb = rf.luma;
- rf.cr = rf.cb + 2;
- rf.luma++;
+ rf->cb = rf->luma;
+ rf->cr = rf->cb + 2;
+ rf->luma++;
break;
case V4L2_PIX_FMT_RGB32:
case V4L2_PIX_FMT_XRGB32:
case V4L2_PIX_FMT_HSV32:
- rf.cr = rf.luma + 1;
- rf.cb = rf.cr + 2;
- rf.luma += 2;
+ rf->cr = rf->luma + 1;
+ rf->cb = rf->cr + 2;
+ rf->luma += 2;
break;
case V4L2_PIX_FMT_BGR32:
case V4L2_PIX_FMT_XBGR32:
- rf.cb = rf.luma;
- rf.cr = rf.cb + 2;
- rf.luma++;
+ rf->cb = rf->luma;
+ 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;
+ 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;
+ rf->cb = rf->luma;
+ rf->cr = rf->cb + 2;
+ rf->luma++;
+ rf->alpha = rf->cr + 1;
break;
default:
return -EINVAL;
}
+ return 0;
+}
+
+int v4l2_fwht_encode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out)
+{
+ unsigned int size = state->stride * state->coded_height;
+ unsigned int chroma_stride = state->stride;
+ const struct v4l2_fwht_pixfmt_info *info = state->info;
+ struct fwht_cframe_hdr *p_hdr;
+ struct fwht_cframe cf;
+ struct fwht_raw_frame rf;
+ u32 encoding;
+ u32 flags = 0;
+
+ if (!info)
+ return -EINVAL;
+
+ if (prepare_raw_frame(&rf, info, p_in, size))
+ return -EINVAL;
+ if (info->id == V4L2_PIX_FMT_YUV420 ||
+ info->id == V4L2_PIX_FMT_YVU420 ||
+ info->id == V4L2_PIX_FMT_YUV422P)
+ chroma_stride /= 2;
cf.i_frame_qp = state->i_frame_qp;
cf.p_frame_qp = state->p_frame_qp;
--
2.17.1
