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Date: Mon, 25 Apr 2022 17:16:56 +0200 From: Sebastian Fricke <sebastian.fricke@...labora.com> To: Benjamin Gaignard <benjamin.gaignard@...labora.com> Cc: mchehab@...nel.org, hverkuil@...all.nl, ezequiel@...guardiasur.com.ar, p.zabel@...gutronix.de, gregkh@...uxfoundation.org, mripard@...nel.org, paul.kocialkowski@...tlin.com, wens@...e.org, jernej.skrabec@...il.com, samuel@...lland.org, nicolas.dufresne@...labora.com, linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org, linux-staging@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev Subject: Re: [PATCH v5 06/17] media: uapi: HEVC: Change pic_order_cnt definition in v4l2_hevc_dpb_entry Hey Benjamin, On 07.04.2022 17:29, Benjamin Gaignard wrote: >HEVC specifications say that: s/HEVC specifications say that:/ The HEVC specification describes the following:/ Greetings, Sebastian >"PicOrderCntVal is derived as follows: >PicOrderCntVal = PicOrderCntMsb + slice_pic_order_cnt_lsb >The value of PicOrderCntVal shall be in the range of −231 to 231 − 1, inclusive." > >To match with these definitions change __u16 pic_order_cnt[2] >into __s32 pic_order_cnt_val. > >Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...labora.com> >--- >version 5: >- change __u16 pic_order_cnt[2] into __s32 pic_order_cnt_val > drivers/staging/media/hantro/hantro_g2_hevc_dec.c | 4 ++-- > drivers/staging/media/hantro/hantro_hevc.c | 2 +- > drivers/staging/media/hantro/hantro_hw.h | 4 ++-- > drivers/staging/media/sunxi/cedrus/cedrus_h265.c | 4 ++-- > include/media/hevc-ctrls.h | 2 +- > 5 files changed, 8 insertions(+), 8 deletions(-) > >diff --git a/drivers/staging/media/hantro/hantro_g2_hevc_dec.c b/drivers/staging/media/hantro/hantro_g2_hevc_dec.c >index c524af41baf5..6f3c774aa3d9 100644 >--- a/drivers/staging/media/hantro/hantro_g2_hevc_dec.c >+++ b/drivers/staging/media/hantro/hantro_g2_hevc_dec.c >@@ -386,7 +386,7 @@ static int set_ref(struct hantro_ctx *ctx) > * pic_order_cnt[0] and ignore pic_order_cnt[1] used in field-coding. > */ > for (i = 0; i < decode_params->num_active_dpb_entries && i < ARRAY_SIZE(cur_poc); i++) { >- char poc_diff = decode_params->pic_order_cnt_val - dpb[i].pic_order_cnt[0]; >+ char poc_diff = decode_params->pic_order_cnt_val - dpb[i].pic_order_cnt_val; > > hantro_reg_write(vpu, &cur_poc[i], poc_diff); > } >@@ -413,7 +413,7 @@ static int set_ref(struct hantro_ctx *ctx) > dpb_longterm_e = 0; > for (i = 0; i < decode_params->num_active_dpb_entries && > i < (V4L2_HEVC_DPB_ENTRIES_NUM_MAX - 1); i++) { >- luma_addr = hantro_hevc_get_ref_buf(ctx, dpb[i].pic_order_cnt[0]); >+ luma_addr = hantro_hevc_get_ref_buf(ctx, dpb[i].pic_order_cnt_val); > if (!luma_addr) > return -ENOMEM; > >diff --git a/drivers/staging/media/hantro/hantro_hevc.c b/drivers/staging/media/hantro/hantro_hevc.c >index b6ec86d03d91..fadd40768579 100644 >--- a/drivers/staging/media/hantro/hantro_hevc.c >+++ b/drivers/staging/media/hantro/hantro_hevc.c >@@ -54,7 +54,7 @@ static void hantro_hevc_ref_init(struct hantro_ctx *ctx) > } > > dma_addr_t hantro_hevc_get_ref_buf(struct hantro_ctx *ctx, >- int poc) >+ s32 poc) > { > struct hantro_hevc_dec_hw_ctx *hevc_dec = &ctx->hevc_dec; > int i; >diff --git a/drivers/staging/media/hantro/hantro_hw.h b/drivers/staging/media/hantro/hantro_hw.h >index ed018e293ba0..a648c529662b 100644 >--- a/drivers/staging/media/hantro/hantro_hw.h >+++ b/drivers/staging/media/hantro/hantro_hw.h >@@ -131,7 +131,7 @@ struct hantro_hevc_dec_hw_ctx { > struct hantro_aux_buf tile_bsd; > struct hantro_aux_buf ref_bufs[NUM_REF_PICTURES]; > struct hantro_aux_buf scaling_lists; >- int ref_bufs_poc[NUM_REF_PICTURES]; >+ s32 ref_bufs_poc[NUM_REF_PICTURES]; > u32 ref_bufs_used; > struct hantro_hevc_dec_ctrls ctrls; > unsigned int num_tile_cols_allocated; >@@ -337,7 +337,7 @@ int hantro_hevc_dec_init(struct hantro_ctx *ctx); > void hantro_hevc_dec_exit(struct hantro_ctx *ctx); > int hantro_g2_hevc_dec_run(struct hantro_ctx *ctx); > int hantro_hevc_dec_prepare_run(struct hantro_ctx *ctx); >-dma_addr_t hantro_hevc_get_ref_buf(struct hantro_ctx *ctx, int poc); >+dma_addr_t hantro_hevc_get_ref_buf(struct hantro_ctx *ctx, s32 poc); > int hantro_hevc_add_ref_buf(struct hantro_ctx *ctx, int poc, dma_addr_t addr); > void hantro_hevc_ref_remove_unused(struct hantro_ctx *ctx); > size_t hantro_hevc_chroma_offset(const struct v4l2_ctrl_hevc_sps *sps); >diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c >index 44f385be9f6c..d04521ffd920 100644 >--- a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c >+++ b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c >@@ -143,8 +143,8 @@ static void cedrus_h265_frame_info_write_dpb(struct cedrus_ctx *ctx, > for (i = 0; i < num_active_dpb_entries; i++) { > int buffer_index = vb2_find_timestamp(vq, dpb[i].timestamp, 0); > u32 pic_order_cnt[2] = { >- dpb[i].pic_order_cnt[0], >- dpb[i].pic_order_cnt[1] >+ dpb[i].pic_order_cnt_val & 0xffff, >+ (dpb[i].pic_order_cnt_val >> 16) & 0xffff > }; > > cedrus_h265_frame_info_write_single(ctx, i, dpb[i].field_pic, >diff --git a/include/media/hevc-ctrls.h b/include/media/hevc-ctrls.h >index b3540167df9e..2812778b41f4 100644 >--- a/include/media/hevc-ctrls.h >+++ b/include/media/hevc-ctrls.h >@@ -138,7 +138,7 @@ struct v4l2_hevc_dpb_entry { > __u64 timestamp; > __u8 flags; > __u8 field_pic; >- __u16 pic_order_cnt[2]; >+ __s32 pic_order_cnt_val; > __u8 padding[2]; > }; > >-- >2.32.0 >
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