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ESMTPSA id 2DFB51F43F0D; Tue, 5 Apr 2022 17:09:06 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1649174946; bh=eeySzn5IBf+PbYNi+kPSgsYzcuDGcdY6haFj9xgGbTc=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=bquGS9tF62KHpCx6KOlVue0u3BUHutbpdUkIswCR9dFWpqBqt9KTIZhdbkOkIg6S0 5n2xd1750ecQX63Vs8TOqs39NgYYpYhtRV1t6PM4HIs72OOS+5VQxoFH+nMl/jbwmM MoMH95usmnc6FzA9zfnGsEhCZRd2dgBhftcFXzdzHxiElFBGm7MmpAFJrpct6Bj7ry EUCsInrPWwVbscgnQHQbTPVSxraI7RLgCevVwI6GjR3tRDPDX639GJsAt8wId1HaOc 014r4nTSexAxfPlT6inGkQbKlLgmE1NOk4DqvEuLjCqTDgUGGP8Cy9z12GsYnUzX/k ERkD9KOJMHJgQ== Message-ID: <7972feba-221c-9960-68d0-ee15ad2a4f1a@collabora.com> Date: Tue, 5 Apr 2022 18:09:03 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [RFC PATCH 3/8] media: hantro: Support format filtering by depth Content-Language: en-US To: Jernej Skrabec , ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de Cc: 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Thunderbird/91.7.0 Subject: Re: [RFC PATCH 3/8] media: hantro: Support format filtering by depth Content-Language: en-US To: Jernej Skrabec , ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de Cc: mchehab@kernel.org, nicolas@ndufresne.ca, hverkuil-cisco@xs4all.nl, gregkh@linuxfoundation.org, wens@csie.org, samuel@sholland.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev References: <20220227144926.3006585-1-jernej.skrabec@gmail.com> <20220227144926.3006585-4-jernej.skrabec@gmail.com> From: Benjamin Gaignard In-Reply-To: <20220227144926.3006585-4-jernej.skrabec@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Le 27/02/2022 à 15:49, Jernej Skrabec a écrit : > In preparation for supporting 10-bit formats, add mechanism which will > filter formats based on pixel depth. > > Hantro G2 supports only one decoding format natively and that is based > on bit depth of current video frame. Additionally, it makes no sense to > upconvert bitness, so filter those out too. > > Signed-off-by: Jernej Skrabec > --- > drivers/staging/media/hantro/hantro.h | 4 ++ > drivers/staging/media/hantro/hantro_v4l2.c | 48 ++++++++++++++++++++-- > drivers/staging/media/hantro/hantro_v4l2.h | 1 + > 3 files changed, 50 insertions(+), 3 deletions(-) > > diff --git a/drivers/staging/media/hantro/hantro.h b/drivers/staging/media/hantro/hantro.h > index 06d0f3597694..c6525ee8d89a 100644 > --- a/drivers/staging/media/hantro/hantro.h > +++ b/drivers/staging/media/hantro/hantro.h > @@ -227,6 +227,7 @@ struct hantro_dev { > * > * @ctrl_handler: Control handler used to register controls. > * @jpeg_quality: User-specified JPEG compression quality. > + * @bit_depth: Bit depth of current frame > * > * @codec_ops: Set of operations related to codec mode. > * @postproc: Post-processing context. > @@ -252,6 +253,7 @@ struct hantro_ctx { > > struct v4l2_ctrl_handler ctrl_handler; > int jpeg_quality; > + int bit_depth; > > const struct hantro_codec_ops *codec_ops; > struct hantro_postproc_ctx postproc; > @@ -278,6 +280,7 @@ struct hantro_ctx { > * @enc_fmt: Format identifier for encoder registers. > * @frmsize: Supported range of frame sizes (only for bitstream formats). > * @postprocessed: Indicates if this format needs the post-processor. > + * @match_depth: Indicates if format bit depth must match video bit depth > */ > struct hantro_fmt { > char *name; > @@ -288,6 +291,7 @@ struct hantro_fmt { > enum hantro_enc_fmt enc_fmt; > struct v4l2_frmsize_stepwise frmsize; > bool postprocessed; > + bool match_depth; > }; > > struct hantro_reg { > diff --git a/drivers/staging/media/hantro/hantro_v4l2.c b/drivers/staging/media/hantro/hantro_v4l2.c > index e595905b3bd7..1214fa2f64ae 100644 > --- a/drivers/staging/media/hantro/hantro_v4l2.c > +++ b/drivers/staging/media/hantro/hantro_v4l2.c > @@ -64,6 +64,42 @@ hantro_get_postproc_formats(const struct hantro_ctx *ctx, > return ctx->dev->variant->postproc_fmts; > } > > +int hantro_get_formath_depth(u32 fourcc) Just a typo here: s/hantro_get_formath_depth -> hantro_get_format_depth regards Benjamin > +{ > + switch (fourcc) { > + case V4L2_PIX_FMT_P010: > + case V4L2_PIX_FMT_P010_4L4: > + return 10; > + default: > + return 8; > + } > +} > + > +static bool > +hantro_check_depth_match(const struct hantro_ctx *ctx, > + const struct hantro_fmt *fmt) > +{ > + int fmt_depth, ctx_depth = 8; > + > + if (!fmt->match_depth && !fmt->postprocessed) > + return true; > + > + /* 0 means default depth, which is 8 */ > + if (ctx->bit_depth) > + ctx_depth = ctx->bit_depth; > + > + fmt_depth = hantro_get_formath_depth(fmt->fourcc); > + > + /* > + * Allow only downconversion for postproc formats for now. > + * It may be possible to relax that on some HW. > + */ > + if (!fmt->match_depth) > + return fmt_depth <= ctx_depth; > + > + return fmt_depth == ctx_depth; > +} > + > static const struct hantro_fmt * > hantro_find_format(const struct hantro_ctx *ctx, u32 fourcc) > { > @@ -91,7 +127,8 @@ hantro_get_default_fmt(const struct hantro_ctx *ctx, bool bitstream) > formats = hantro_get_formats(ctx, &num_fmts); > for (i = 0; i < num_fmts; i++) { > if (bitstream == (formats[i].codec_mode != > - HANTRO_MODE_NONE)) > + HANTRO_MODE_NONE) && > + hantro_check_depth_match(ctx, &formats[i])) > return &formats[i]; > } > return NULL; > @@ -163,11 +200,13 @@ static int vidioc_enum_fmt(struct file *file, void *priv, > formats = hantro_get_formats(ctx, &num_fmts); > for (i = 0; i < num_fmts; i++) { > bool mode_none = formats[i].codec_mode == HANTRO_MODE_NONE; > + fmt = &formats[i]; > > if (skip_mode_none == mode_none) > continue; > + if (!hantro_check_depth_match(ctx, fmt)) > + continue; > if (j == f->index) { > - fmt = &formats[i]; > f->pixelformat = fmt->fourcc; > return 0; > } > @@ -183,8 +222,11 @@ static int vidioc_enum_fmt(struct file *file, void *priv, > return -EINVAL; > formats = hantro_get_postproc_formats(ctx, &num_fmts); > for (i = 0; i < num_fmts; i++) { > + fmt = &formats[i]; > + > + if (!hantro_check_depth_match(ctx, fmt)) > + continue; > if (j == f->index) { > - fmt = &formats[i]; > f->pixelformat = fmt->fourcc; > return 0; > } > diff --git a/drivers/staging/media/hantro/hantro_v4l2.h b/drivers/staging/media/hantro/hantro_v4l2.h > index 18bc682c8556..f4a5905ed518 100644 > --- a/drivers/staging/media/hantro/hantro_v4l2.h > +++ b/drivers/staging/media/hantro/hantro_v4l2.h > @@ -22,5 +22,6 @@ extern const struct v4l2_ioctl_ops hantro_ioctl_ops; > extern const struct vb2_ops hantro_queue_ops; > > void hantro_reset_fmts(struct hantro_ctx *ctx); > +int hantro_get_formath_depth(u32 fourcc); > > #endif /* HANTRO_V4L2_H_ */ From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher 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