[PATCH 5/5] media: mtk-vcodec: Support H264 4K encoding on MT8192
Irui Wang
irui.wang at mediatek.com
Wed Feb 3 03:37:52 EST 2021
Supports H264 4K (3840x2176) and level 5.1 encoding on MT8192.
Signed-off-by: Irui Wang <irui.wang at mediatek.com>
---
.../platform/mtk-vcodec/mtk_vcodec_enc.c | 58 ++++++++++++++-----
.../platform/mtk-vcodec/venc/venc_h264_if.c | 4 ++
2 files changed, 47 insertions(+), 15 deletions(-)
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
index 0da6871b4b39..3d8c8fe24372 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
@@ -21,12 +21,16 @@
#define MTK_VENC_MIN_H 128U
#define MTK_VENC_MAX_W 1920U
#define MTK_VENC_MAX_H 1088U
+#define MTK_VENC_4K_MAX_W 3840U
+#define MTK_VENC_4K_MAX_H 2176U
+
#define DFT_CFG_WIDTH MTK_VENC_MIN_W
#define DFT_CFG_HEIGHT MTK_VENC_MIN_H
#define MTK_MAX_CTRLS_HINT 20
#define MTK_DEFAULT_FRAMERATE_NUM 1001
#define MTK_DEFAULT_FRAMERATE_DENOM 30000
+#define MTK_VENC_4K_CAPABILITY_ENABLE BIT(0)
static void mtk_venc_worker(struct work_struct *work);
@@ -152,18 +156,23 @@ static int vidioc_enum_framesizes(struct file *file, void *fh,
struct v4l2_frmsizeenum *fsize)
{
const struct mtk_video_fmt *fmt;
+ struct mtk_vcodec_ctx *ctx = fh_to_ctx(fh);
if (fsize->index != 0)
return -EINVAL;
fmt = mtk_venc_find_format(fsize->pixel_format,
- fh_to_ctx(fh)->dev->venc_pdata);
+ ctx->dev->venc_pdata);
if (!fmt)
return -EINVAL;
fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
fsize->stepwise = mtk_venc_framesizes;
+ if (ctx->dev->enc_capability & MTK_VENC_4K_CAPABILITY_ENABLE) {
+ fsize->stepwise.max_width = MTK_VENC_4K_MAX_W;
+ fsize->stepwise.max_height = MTK_VENC_4K_MAX_H;
+ }
return 0;
}
@@ -252,7 +261,7 @@ static struct mtk_q_data *mtk_venc_get_q_data(struct mtk_vcodec_ctx *ctx,
/* V4L2 specification suggests the driver corrects the format struct if any of
* the dimensions is unsupported
*/
-static int vidioc_try_fmt(struct v4l2_format *f,
+static int vidioc_try_fmt(struct mtk_vcodec_ctx *ctx, struct v4l2_format *f,
const struct mtk_video_fmt *fmt)
{
struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp;
@@ -265,13 +274,22 @@ static int vidioc_try_fmt(struct v4l2_format *f,
pix_fmt_mp->plane_fmt[0].bytesperline = 0;
} else if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
int tmp_w, tmp_h;
+ unsigned int max_width, max_height;
+
+ if (ctx->dev->enc_capability & MTK_VENC_4K_CAPABILITY_ENABLE) {
+ max_width = MTK_VENC_4K_MAX_W;
+ max_height = MTK_VENC_4K_MAX_H;
+ } else {
+ max_width = MTK_VENC_MAX_W;
+ max_height = MTK_VENC_MAX_H;
+ }
pix_fmt_mp->height = clamp(pix_fmt_mp->height,
MTK_VENC_MIN_H,
- MTK_VENC_MAX_H);
+ max_height);
pix_fmt_mp->width = clamp(pix_fmt_mp->width,
MTK_VENC_MIN_W,
- MTK_VENC_MAX_W);
+ max_width);
/* find next closer width align 16, heign align 32, size align
* 64 rectangle
@@ -280,16 +298,16 @@ static int vidioc_try_fmt(struct v4l2_format *f,
tmp_h = pix_fmt_mp->height;
v4l_bound_align_image(&pix_fmt_mp->width,
MTK_VENC_MIN_W,
- MTK_VENC_MAX_W, 4,
+ max_width, 4,
&pix_fmt_mp->height,
MTK_VENC_MIN_H,
- MTK_VENC_MAX_H, 5, 6);
+ max_height, 5, 6);
if (pix_fmt_mp->width < tmp_w &&
- (pix_fmt_mp->width + 16) <= MTK_VENC_MAX_W)
+ (pix_fmt_mp->width + 16) <= max_width)
pix_fmt_mp->width += 16;
if (pix_fmt_mp->height < tmp_h &&
- (pix_fmt_mp->height + 32) <= MTK_VENC_MAX_H)
+ (pix_fmt_mp->height + 32) <= max_height)
pix_fmt_mp->height += 32;
mtk_v4l2_debug(0,
@@ -416,7 +434,7 @@ static int vidioc_venc_s_fmt_cap(struct file *file, void *priv,
}
q_data->fmt = fmt;
- ret = vidioc_try_fmt(f, q_data->fmt);
+ ret = vidioc_try_fmt(ctx, f, q_data->fmt);
if (ret)
return ret;
@@ -489,7 +507,7 @@ static int vidioc_venc_s_fmt_out(struct file *file, void *priv,
q_data->visible_width = f->fmt.pix_mp.width;
q_data->visible_height = f->fmt.pix_mp.height;
q_data->fmt = fmt;
- ret = vidioc_try_fmt(f, q_data->fmt);
+ ret = vidioc_try_fmt(ctx, f, q_data->fmt);
if (ret)
return ret;
@@ -566,7 +584,7 @@ static int vidioc_try_fmt_vid_cap_mplane(struct file *file, void *priv,
f->fmt.pix_mp.quantization = ctx->quantization;
f->fmt.pix_mp.xfer_func = ctx->xfer_func;
- return vidioc_try_fmt(f, fmt);
+ return vidioc_try_fmt(ctx, f, fmt);
}
static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
@@ -588,7 +606,7 @@ static int vidioc_try_fmt_vid_out_mplane(struct file *file, void *priv,
f->fmt.pix_mp.xfer_func = V4L2_XFER_FUNC_DEFAULT;
}
- return vidioc_try_fmt(f, fmt);
+ return vidioc_try_fmt(ctx, f, fmt);
}
static int vidioc_venc_g_selection(struct file *file, void *priv,
@@ -1260,9 +1278,19 @@ int mtk_vcodec_enc_ctrls_setup(struct mtk_vcodec_ctx *ctx)
v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_H264_PROFILE,
V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
0, V4L2_MPEG_VIDEO_H264_PROFILE_HIGH);
- v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_H264_LEVEL,
- V4L2_MPEG_VIDEO_H264_LEVEL_4_2,
- 0, V4L2_MPEG_VIDEO_H264_LEVEL_4_0);
+
+ if (ctx->dev->enc_capability & MTK_VENC_4K_CAPABILITY_ENABLE) {
+ v4l2_ctrl_new_std_menu(handler, ops,
+ V4L2_CID_MPEG_VIDEO_H264_LEVEL,
+ V4L2_MPEG_VIDEO_H264_LEVEL_5_1,
+ 0, V4L2_MPEG_VIDEO_H264_LEVEL_4_0);
+ } else {
+ v4l2_ctrl_new_std_menu(handler, ops,
+ V4L2_CID_MPEG_VIDEO_H264_LEVEL,
+ V4L2_MPEG_VIDEO_H264_LEVEL_4_2,
+ 0, V4L2_MPEG_VIDEO_H264_LEVEL_4_0);
+ }
+
if (handler->error) {
mtk_v4l2_err("Init control handler fail %d",
handler->error);
diff --git a/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c b/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
index d0123dfc5f93..b6a4f2074fa5 100644
--- a/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
+++ b/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
@@ -215,6 +215,10 @@ static unsigned int h264_get_level(struct venc_h264_inst *inst,
return 41;
case V4L2_MPEG_VIDEO_H264_LEVEL_4_2:
return 42;
+ case V4L2_MPEG_VIDEO_H264_LEVEL_5_0:
+ return 50;
+ case V4L2_MPEG_VIDEO_H264_LEVEL_5_1:
+ return 51;
default:
mtk_vcodec_debug(inst, "unsupported level %d", level);
return 31;
--
2.25.1
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