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media: vicodec: Add pixel encoding flags to fwht header 

Add flags indicating the pixel encoding - yuv/rgb/hsv to
fwht header and to the pixel info. Use it to enumerate
the supported pixel formats.

Signed-off-by: Dafna Hirschfeld <dafna3@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Dafna Hirschfeld 2019-01-21 09:46:16 -02:00 committed by Mauro Carvalho Chehab
parent 7248d1ff0e
commit 5fbd0729cf
4 changed files with 78 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/media/platform/vicodec/codec-fwht.h
View File

@ -81,6 +81,12 @@
#define FWHT_FL_COMPONENTS_NUM_MSK GENMASK(18, 16)
#define FWHT_FL_COMPONENTS_NUM_OFFSET 16
#define FWHT_FL_PIXENC_MSK GENMASK(20, 19)
#define FWHT_FL_PIXENC_OFFSET 19
#define FWHT_FL_PIXENC_YUV (1 << FWHT_FL_PIXENC_OFFSET)
#define FWHT_FL_PIXENC_RGB (2 << FWHT_FL_PIXENC_OFFSET)
#define FWHT_FL_PIXENC_HSV (3 << FWHT_FL_PIXENC_OFFSET)
/*
* A macro to calculate the needed padding in order to make sure
* both luma and chroma components resolutions are rounded up to

77
drivers/media/platform/vicodec/codec-v4l2-fwht.c
View File

@ -11,32 +11,53 @@
#include "codec-v4l2-fwht.h"
static const struct v4l2_fwht_pixfmt_info v4l2_fwht_pixfmts[] = {
{ V4L2_PIX_FMT_YUV420, 1, 3, 2, 1, 1, 2, 2, 3, 3},
{ V4L2_PIX_FMT_YVU420, 1, 3, 2, 1, 1, 2, 2, 3, 3},
{ V4L2_PIX_FMT_YUV422P, 1, 2, 1, 1, 1, 2, 1, 3, 3},
{ V4L2_PIX_FMT_NV12, 1, 3, 2, 1, 2, 2, 2, 3, 2},
{ V4L2_PIX_FMT_NV21, 1, 3, 2, 1, 2, 2, 2, 3, 2},
{ V4L2_PIX_FMT_NV16, 1, 2, 1, 1, 2, 2, 1, 3, 2},
{ V4L2_PIX_FMT_NV61, 1, 2, 1, 1, 2, 2, 1, 3, 2},
{ V4L2_PIX_FMT_NV24, 1, 3, 1, 1, 2, 1, 1, 3, 2},
{ V4L2_PIX_FMT_NV42, 1, 3, 1, 1, 2, 1, 1, 3, 2},
{ V4L2_PIX_FMT_YUYV, 2, 2, 1, 2, 4, 2, 1, 3, 1},
{ V4L2_PIX_FMT_YVYU, 2, 2, 1, 2, 4, 2, 1, 3, 1},
{ V4L2_PIX_FMT_UYVY, 2, 2, 1, 2, 4, 2, 1, 3, 1},
{ V4L2_PIX_FMT_VYUY, 2, 2, 1, 2, 4, 2, 1, 3, 1},
{ V4L2_PIX_FMT_BGR24, 3, 3, 1, 3, 3, 1, 1, 3, 1},
{ V4L2_PIX_FMT_RGB24, 3, 3, 1, 3, 3, 1, 1, 3, 1},
{ V4L2_PIX_FMT_HSV24, 3, 3, 1, 3, 3, 1, 1, 3, 1},
{ V4L2_PIX_FMT_BGR32, 4, 4, 1, 4, 4, 1, 1, 3, 1},
{ V4L2_PIX_FMT_XBGR32, 4, 4, 1, 4, 4, 1, 1, 3, 1},
{ V4L2_PIX_FMT_RGB32, 4, 4, 1, 4, 4, 1, 1, 3, 1},
{ V4L2_PIX_FMT_XRGB32, 4, 4, 1, 4, 4, 1, 1, 3, 1},
{ V4L2_PIX_FMT_HSV32, 4, 4, 1, 4, 4, 1, 1, 3, 1},
{ V4L2_PIX_FMT_ARGB32, 4, 4, 1, 4, 4, 1, 1, 4, 1},
{ V4L2_PIX_FMT_ABGR32, 4, 4, 1, 4, 4, 1, 1, 4, 1},
{ V4L2_PIX_FMT_GREY, 1, 1, 1, 1, 0, 1, 1, 1, 1},
{ V4L2_PIX_FMT_YUV420, 1, 3, 2, 1, 1, 2, 2, 3, 3, FWHT_FL_PIXENC_YUV},
{ V4L2_PIX_FMT_YVU420, 1, 3, 2, 1, 1, 2, 2, 3, 3, FWHT_FL_PIXENC_YUV},
{ V4L2_PIX_FMT_YUV422P, 1, 2, 1, 1, 1, 2, 1, 3, 3, FWHT_FL_PIXENC_YUV},
{ V4L2_PIX_FMT_NV12, 1, 3, 2, 1, 2, 2, 2, 3, 2, FWHT_FL_PIXENC_YUV},
{ V4L2_PIX_FMT_NV21, 1, 3, 2, 1, 2, 2, 2, 3, 2, FWHT_FL_PIXENC_YUV},
{ V4L2_PIX_FMT_NV16, 1, 2, 1, 1, 2, 2, 1, 3, 2, FWHT_FL_PIXENC_YUV},
{ V4L2_PIX_FMT_NV61, 1, 2, 1, 1, 2, 2, 1, 3, 2, FWHT_FL_PIXENC_YUV},
{ V4L2_PIX_FMT_NV24, 1, 3, 1, 1, 2, 1, 1, 3, 2, FWHT_FL_PIXENC_YUV},
{ V4L2_PIX_FMT_NV42, 1, 3, 1, 1, 2, 1, 1, 3, 2, FWHT_FL_PIXENC_YUV},
{ V4L2_PIX_FMT_YUYV, 2, 2, 1, 2, 4, 2, 1, 3, 1, FWHT_FL_PIXENC_YUV},
{ V4L2_PIX_FMT_YVYU, 2, 2, 1, 2, 4, 2, 1, 3, 1, FWHT_FL_PIXENC_YUV},
{ V4L2_PIX_FMT_UYVY, 2, 2, 1, 2, 4, 2, 1, 3, 1, FWHT_FL_PIXENC_YUV},
{ V4L2_PIX_FMT_VYUY, 2, 2, 1, 2, 4, 2, 1, 3, 1, FWHT_FL_PIXENC_YUV},
{ V4L2_PIX_FMT_BGR24, 3, 3, 1, 3, 3, 1, 1, 3, 1, FWHT_FL_PIXENC_RGB},
{ V4L2_PIX_FMT_RGB24, 3, 3, 1, 3, 3, 1, 1, 3, 1, FWHT_FL_PIXENC_RGB},
{ V4L2_PIX_FMT_HSV24, 3, 3, 1, 3, 3, 1, 1, 3, 1, FWHT_FL_PIXENC_HSV},
{ V4L2_PIX_FMT_BGR32, 4, 4, 1, 4, 4, 1, 1, 3, 1, FWHT_FL_PIXENC_RGB},
{ V4L2_PIX_FMT_XBGR32, 4, 4, 1, 4, 4, 1, 1, 3, 1, FWHT_FL_PIXENC_RGB},
{ V4L2_PIX_FMT_RGB32, 4, 4, 1, 4, 4, 1, 1, 3, 1, FWHT_FL_PIXENC_RGB},
{ V4L2_PIX_FMT_XRGB32, 4, 4, 1, 4, 4, 1, 1, 3, 1, FWHT_FL_PIXENC_RGB},
{ V4L2_PIX_FMT_HSV32, 4, 4, 1, 4, 4, 1, 1, 3, 1, FWHT_FL_PIXENC_HSV},
{ V4L2_PIX_FMT_ARGB32, 4, 4, 1, 4, 4, 1, 1, 4, 1, FWHT_FL_PIXENC_RGB},
{ V4L2_PIX_FMT_ABGR32, 4, 4, 1, 4, 4, 1, 1, 4, 1, FWHT_FL_PIXENC_RGB},
{ V4L2_PIX_FMT_GREY, 1, 1, 1, 1, 0, 1, 1, 1, 1, FWHT_FL_PIXENC_RGB},
};
const struct v4l2_fwht_pixfmt_info *v4l2_fwht_default_fmt(u32 width_div,
u32 height_div,
u32 components_num,
u32 pixenc,
unsigned int start_idx)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(v4l2_fwht_pixfmts); i++) {
if (v4l2_fwht_pixfmts[i].width_div == width_div &&
v4l2_fwht_pixfmts[i].height_div == height_div &&
(!pixenc || v4l2_fwht_pixfmts[i].pixenc == pixenc) &&
v4l2_fwht_pixfmts[i].components_num == components_num) {
if (start_idx == 0)
return v4l2_fwht_pixfmts + i;
start_idx--;
}
}
return NULL;
}
const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_pixfmt(u32 pixelformat)
{
unsigned int i;
@ -188,6 +209,7 @@ int v4l2_fwht_encode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out)
p_hdr->width = htonl(state->visible_width);
p_hdr->height = htonl(state->visible_height);
flags |= (info->components_num - 1) << FWHT_FL_COMPONENTS_NUM_OFFSET;
flags |= info->pixenc;
if (encoding & FWHT_LUMA_UNENCODED)
flags |= FWHT_FL_LUMA_IS_UNCOMPRESSED;
if (encoding & FWHT_CB_UNENCODED)
@ -246,10 +268,15 @@ int v4l2_fwht_decode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out)
flags = ntohl(p_hdr->flags);
if (version == FWHT_VERSION) {
if ((flags & FWHT_FL_PIXENC_MSK) != info->pixenc)
return -EINVAL;
components_num = 1 + ((flags & FWHT_FL_COMPONENTS_NUM_MSK) >>
FWHT_FL_COMPONENTS_NUM_OFFSET);
FWHT_FL_COMPONENTS_NUM_OFFSET);
}
if (components_num != info->components_num)
return -EINVAL;
state->colorspace = ntohl(p_hdr->colorspace);
state->xfer_func = ntohl(p_hdr->xfer_func);
state->ycbcr_enc = ntohl(p_hdr->ycbcr_enc);

6
drivers/media/platform/vicodec/codec-v4l2-fwht.h
View File

@ -20,6 +20,7 @@ struct v4l2_fwht_pixfmt_info {
unsigned int height_div;
unsigned int components_num;
unsigned int planes_num;
unsigned int pixenc;
};
struct v4l2_fwht_state {
@ -45,6 +46,11 @@ struct v4l2_fwht_state {
const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_pixfmt(u32 pixelformat);
const struct v4l2_fwht_pixfmt_info *v4l2_fwht_get_pixfmt(u32 idx);
const struct v4l2_fwht_pixfmt_info *v4l2_fwht_default_fmt(u32 width_div,
u32 height_div,
u32 components_num,
u32 pixenc,
unsigned int start_idx);
int v4l2_fwht_encode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out);
int v4l2_fwht_decode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out);

19
drivers/media/platform/vicodec/vicodec-core.c
View File

@ -395,9 +395,10 @@ static int vidioc_querycap(struct file *file, void *priv,
return 0;
}
static int enum_fmt(struct v4l2_fmtdesc *f, bool is_enc, bool is_out)
static int enum_fmt(struct v4l2_fmtdesc *f, struct vicodec_ctx *ctx,
bool is_out)
{
bool is_uncomp = (is_enc && is_out) || (!is_enc && !is_out);
bool is_uncomp = (ctx->is_enc && is_out) || (!ctx->is_enc && !is_out);
if (V4L2_TYPE_IS_MULTIPLANAR(f->type) && !multiplanar)
return -EINVAL;
@ -406,8 +407,16 @@ static int enum_fmt(struct v4l2_fmtdesc *f, bool is_enc, bool is_out)
if (is_uncomp) {
const struct v4l2_fwht_pixfmt_info *info =
v4l2_fwht_get_pixfmt(f->index);
get_q_data(ctx, f->type)->info;
if (ctx->is_enc)
info = v4l2_fwht_get_pixfmt(f->index);
else
info = v4l2_fwht_default_fmt(info->width_div,
info->height_div,
info->components_num,
info->pixenc,
f->index);
if (!info)
return -EINVAL;
f->pixelformat = info->id;
@ -424,7 +433,7 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
{
struct vicodec_ctx *ctx = file2ctx(file);
return enum_fmt(f, ctx->is_enc, false);
return enum_fmt(f, ctx, false);
}
static int vidioc_enum_fmt_vid_out(struct file *file, void *priv,
@ -432,7 +441,7 @@ static int vidioc_enum_fmt_vid_out(struct file *file, void *priv,
{
struct vicodec_ctx *ctx = file2ctx(file);
return enum_fmt(f, ctx->is_enc, true);
return enum_fmt(f, ctx, true);
}
static int vidioc_g_fmt(struct vicodec_ctx *ctx, struct v4l2_format *f)