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Message-ID: <06e1125f057377aa8f508db5cd6672ee379f9c89.camel@collabora.com>
Date: Mon, 29 Mar 2021 16:28:11 -0300
From: Ezequiel Garcia <ezequiel@...labora.com>
To: Benjamin Gaignard <benjamin.gaignard@...labora.com>,
p.zabel@...gutronix.de, mchehab@...nel.org, robh+dt@...nel.org,
shawnguo@...nel.org, s.hauer@...gutronix.de, festevam@...il.com,
lee.jones@...aro.org, gregkh@...uxfoundation.org,
mripard@...nel.org, paul.kocialkowski@...tlin.com, wens@...e.org,
jernej.skrabec@...l.net, hverkuil-cisco@...all.nl,
emil.l.velikov@...il.com
Cc: kernel@...gutronix.de, linux-imx@....com,
linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
kernel@...labora.com
Subject: Re: [PATCH v7 07/13] media: hantro: Define HEVC codec profiles and
supported features
On Mon, 2021-03-29 at 08:57 +0200, Benjamin Gaignard wrote:
> Define which HEVC profiles (up to level 5.1) and features
> (no scaling, no 10 bits) are supported by the driver.
>
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...labora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@...labora.com>
> ---
> drivers/staging/media/hantro/hantro.h | 3 ++
> drivers/staging/media/hantro/hantro_drv.c | 58 +++++++++++++++++++++++
> 2 files changed, 61 insertions(+)
>
> diff --git a/drivers/staging/media/hantro/hantro.h b/drivers/staging/media/hantro/hantro.h
> index 37b9ce04bd4e..edb4561a6887 100644
> --- a/drivers/staging/media/hantro/hantro.h
> +++ b/drivers/staging/media/hantro/hantro.h
> @@ -35,6 +35,7 @@ struct hantro_codec_ops;
> #define HANTRO_MPEG2_DECODER BIT(16)
> #define HANTRO_VP8_DECODER BIT(17)
> #define HANTRO_H264_DECODER BIT(18)
> +#define HANTRO_HEVC_DECODER BIT(19)
> #define HANTRO_DECODERS 0xffff0000
>
> /**
> @@ -100,6 +101,7 @@ struct hantro_variant {
> * @HANTRO_MODE_H264_DEC: H264 decoder.
> * @HANTRO_MODE_MPEG2_DEC: MPEG-2 decoder.
> * @HANTRO_MODE_VP8_DEC: VP8 decoder.
> + * @HANTRO_MODE_HEVC_DEC: HEVC decoder.
> */
> enum hantro_codec_mode {
> HANTRO_MODE_NONE = -1,
> @@ -107,6 +109,7 @@ enum hantro_codec_mode {
> HANTRO_MODE_H264_DEC,
> HANTRO_MODE_MPEG2_DEC,
> HANTRO_MODE_VP8_DEC,
> + HANTRO_MODE_HEVC_DEC,
> };
>
> /*
> diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c
> index 02c5c2f1a88b..d9a3a5ef9330 100644
> --- a/drivers/staging/media/hantro/hantro_drv.c
> +++ b/drivers/staging/media/hantro/hantro_drv.c
> @@ -245,6 +245,18 @@ static int hantro_try_ctrl(struct v4l2_ctrl *ctrl)
> if (sps->bit_depth_luma_minus8 != 0)
> /* Only 8-bit is supported */
> return -EINVAL;
> + } else if (ctrl->id == V4L2_CID_MPEG_VIDEO_HEVC_SPS) {
> + const struct v4l2_ctrl_hevc_sps *sps = ctrl->p_new.p_hevc_sps;
> +
> + if (sps->bit_depth_luma_minus8 != sps->bit_depth_chroma_minus8)
> + /* Luma and chroma bit depth mismatch */
> + return -EINVAL;
> + if (sps->bit_depth_luma_minus8 != 0)
> + /* Only 8-bit is supported */
> + return -EINVAL;
> + if (sps->flags & V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED)
> + /* No scaling support */
> + return -EINVAL;
> }
> return 0;
> }
> @@ -351,6 +363,52 @@ static const struct hantro_ctrl controls[] = {
> .def = V4L2_MPEG_VIDEO_H264_PROFILE_MAIN,
> }
> }, {
> + .codec = HANTRO_HEVC_DECODER,
> + .cfg = {
> + .id = V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE,
> + .min = V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_FRAME_BASED,
> + .max = V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_FRAME_BASED,
> + .def = V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_FRAME_BASED,
> + },
> + }, {
> + .codec = HANTRO_HEVC_DECODER,
> + .cfg = {
> + .id = V4L2_CID_MPEG_VIDEO_HEVC_START_CODE,
> + .min = V4L2_MPEG_VIDEO_HEVC_START_CODE_ANNEX_B,
> + .max = V4L2_MPEG_VIDEO_HEVC_START_CODE_ANNEX_B,
> + .def = V4L2_MPEG_VIDEO_HEVC_START_CODE_ANNEX_B,
> + },
> + }, {
> + .codec = HANTRO_HEVC_DECODER,
> + .cfg = {
> + .id = V4L2_CID_MPEG_VIDEO_HEVC_PROFILE,
> + .min = V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN,
> + .max = V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10,
> + .def = V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN,
> + },
> + }, {
> + .codec = HANTRO_HEVC_DECODER,
> + .cfg = {
> + .id = V4L2_CID_MPEG_VIDEO_HEVC_LEVEL,
> + .min = V4L2_MPEG_VIDEO_HEVC_LEVEL_1,
> + .max = V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1,
> + },
> + }, {
> + .codec = HANTRO_HEVC_DECODER,
> + .cfg = {
> + .id = V4L2_CID_MPEG_VIDEO_HEVC_SPS,
> + .ops = &hantro_ctrl_ops,
> + },
> + }, {
> + .codec = HANTRO_HEVC_DECODER,
> + .cfg = {
> + .id = V4L2_CID_MPEG_VIDEO_HEVC_PPS,
> + },
> + }, {
> + .codec = HANTRO_HEVC_DECODER,
> + .cfg = {
> + .id = V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS,
> + },
> },
> };
>
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