Messages in this thread | | | Date | Tue, 20 Dec 2022 14:13:43 +0100 | Subject | Re: [PATCH v1 5/9] media: verisilicon: Compute motion vectors size for AV1 frames | From | Benjamin Gaignard <> |
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Le 19/12/2022 à 21:42, Nicolas Dufresne a écrit : > Le lundi 19 décembre 2022 à 16:56 +0100, Benjamin Gaignard a écrit : >> Compute the additional required to store motion vectors at > requires *space*, requires *buffer* ? I think this is missing a word. > >> the end of the frames buffers. >> >> >> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> >> --- >> drivers/media/platform/verisilicon/hantro_hw.h | 13 +++++++++++++ >> .../media/platform/verisilicon/hantro_postproc.c | 3 +++ >> drivers/media/platform/verisilicon/hantro_v4l2.c | 5 +++++ >> 3 files changed, 21 insertions(+) >> >> diff --git a/drivers/media/platform/verisilicon/hantro_hw.h b/drivers/media/platform/verisilicon/hantro_hw.h >> index e83f0c523a30..8b3bc7e31395 100644 >> --- a/drivers/media/platform/verisilicon/hantro_hw.h >> +++ b/drivers/media/platform/verisilicon/hantro_hw.h >> @@ -417,6 +417,19 @@ hantro_hevc_mv_size(unsigned int width, unsigned int height) >> return width * height / 16; >> } >> >> +static inline unsigned short hantro_av1_num_sbs(unsigned short dimension) >> +{ >> + return DIV_ROUND_UP(dimension, 64) + 1; > Why plus one ? I've tested locally with the logical DIV_ROUND_UP(dimension, 64), > and didn't see any difference. It then match hantro_vp_num_sbs(), so can't this > be shared ?
MPP code use plus one so I keep it like that.
> >> +} >> + >> +static inline size_t >> +hantro_av1_mv_size(unsigned int width, unsigned int height) >> +{ >> + size_t num_sbs = hantro_av1_num_sbs(width) * hantro_av1_num_sbs(height); >> + >> + return ALIGN(num_sbs * 384, 16) + 512; > Shall the magic numbers be turned into defines ?
MPP code is: dir_mvs_size = MPP_ALIGN(num_sbs * 24 * 128 / 8, 16); and 512 is added later by another piece of code.
I have no clue about the meaning of those values, sorry.
> >> +} >> + >> int hantro_g1_mpeg2_dec_run(struct hantro_ctx *ctx); >> int rockchip_vpu2_mpeg2_dec_run(struct hantro_ctx *ctx); >> void hantro_mpeg2_dec_copy_qtable(u8 *qtable, >> diff --git a/drivers/media/platform/verisilicon/hantro_postproc.c b/drivers/media/platform/verisilicon/hantro_postproc.c >> index 09d8cf942689..7dc39519a2ee 100644 >> --- a/drivers/media/platform/verisilicon/hantro_postproc.c >> +++ b/drivers/media/platform/verisilicon/hantro_postproc.c >> @@ -213,6 +213,9 @@ int hantro_postproc_alloc(struct hantro_ctx *ctx) >> else if (ctx->vpu_src_fmt->fourcc == V4L2_PIX_FMT_HEVC_SLICE) >> buf_size += hantro_hevc_mv_size(pix_mp.width, >> pix_mp.height); >> + else if (ctx->vpu_src_fmt->fourcc == V4L2_PIX_FMT_AV1_FRAME) >> + buf_size += hantro_av1_mv_size(pix_mp.width, >> + pix_mp.height); > nit: Time to turn into a switch or use an ops ? > >> >> for (i = 0; i < num_buffers; ++i) { >> struct hantro_aux_buf *priv = &ctx->postproc.dec_q[i]; >> diff --git a/drivers/media/platform/verisilicon/hantro_v4l2.c b/drivers/media/platform/verisilicon/hantro_v4l2.c >> index 2c7a805289e7..d41dcb108a6d 100644 >> --- a/drivers/media/platform/verisilicon/hantro_v4l2.c >> +++ b/drivers/media/platform/verisilicon/hantro_v4l2.c >> @@ -334,6 +334,11 @@ static int hantro_try_fmt(const struct hantro_ctx *ctx, >> pix_mp->plane_fmt[0].sizeimage += >> hantro_hevc_mv_size(pix_mp->width, >> pix_mp->height); >> + else if (ctx->vpu_src_fmt->fourcc == V4L2_PIX_FMT_AV1_FRAME && >> + !hantro_needs_postproc(ctx, fmt)) >> + pix_mp->plane_fmt[0].sizeimage += >> + hantro_av1_mv_size(pix_mp->width, >> + pix_mp->height); >> } else if (!pix_mp->plane_fmt[0].sizeimage) { >> /* >> * For coded formats the application can specify
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