From patchwork Fri Apr 3 22:13:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ezequiel Garcia X-Patchwork-Id: 11473827 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 817FE1392 for ; Fri, 3 Apr 2020 22:14:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 54E532078C for ; Fri, 3 Apr 2020 22:14:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728861AbgDCWOJ (ORCPT ); Fri, 3 Apr 2020 18:14:09 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:60996 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728636AbgDCWOJ (ORCPT ); Fri, 3 Apr 2020 18:14:09 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: ezequiel) with ESMTPSA id 72B3A297E51 From: Ezequiel Garcia To: linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Tomasz Figa , kernel@collabora.com, Jonas Karlman , Heiko Stuebner , Hans Verkuil , Alexandre Courbot , Jeffrey Kardatzke , Boris Brezillon , Ezequiel Garcia Subject: [PATCH v8 2/5] media: hantro: h264: Use the generic H264 reflist builder Date: Fri, 3 Apr 2020 19:13:42 -0300 Message-Id: <20200403221345.16702-3-ezequiel@collabora.com> X-Mailer: git-send-email 2.26.0.rc2 In-Reply-To: <20200403221345.16702-1-ezequiel@collabora.com> References: <20200403221345.16702-1-ezequiel@collabora.com> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Boris Brezillon Now that the core provides generic reflist builders, we can use them instead of implementing our own. Signed-off-by: Boris Brezillon Signed-off-by: Ezequiel Garcia --- v8: * None. --- drivers/staging/media/hantro/Kconfig | 1 + drivers/staging/media/hantro/hantro_h264.c | 237 +-------------------- 2 files changed, 9 insertions(+), 229 deletions(-) diff --git a/drivers/staging/media/hantro/Kconfig b/drivers/staging/media/hantro/Kconfig index 99aed9a5b0b9..868fe2ad439e 100644 --- a/drivers/staging/media/hantro/Kconfig +++ b/drivers/staging/media/hantro/Kconfig @@ -7,6 +7,7 @@ config VIDEO_HANTRO select VIDEOBUF2_DMA_CONTIG select VIDEOBUF2_VMALLOC select V4L2_MEM2MEM_DEV + select V4L2_H264 help Support for the Hantro IP based Video Processing Units present on Rockchip and NXP i.MX8M SoCs, which accelerate video and image diff --git a/drivers/staging/media/hantro/hantro_h264.c b/drivers/staging/media/hantro/hantro_h264.c index f2d3e81fb6ce..d561f125085a 100644 --- a/drivers/staging/media/hantro/hantro_h264.c +++ b/drivers/staging/media/hantro/hantro_h264.c @@ -11,7 +11,7 @@ */ #include -#include +#include #include #include "hantro.h" @@ -240,229 +240,6 @@ static void prepare_table(struct hantro_ctx *ctx) reorder_scaling_list(ctx); } -struct hantro_h264_reflist_builder { - const struct v4l2_h264_dpb_entry *dpb; - s32 pocs[HANTRO_H264_DPB_SIZE]; - u8 unordered_reflist[HANTRO_H264_DPB_SIZE]; - int frame_nums[HANTRO_H264_DPB_SIZE]; - s32 curpoc; - u8 num_valid; -}; - -static s32 get_poc(enum v4l2_field field, s32 top_field_order_cnt, - s32 bottom_field_order_cnt) -{ - switch (field) { - case V4L2_FIELD_TOP: - return top_field_order_cnt; - case V4L2_FIELD_BOTTOM: - return bottom_field_order_cnt; - default: - break; - } - - return min(top_field_order_cnt, bottom_field_order_cnt); -} - -static void -init_reflist_builder(struct hantro_ctx *ctx, - struct hantro_h264_reflist_builder *b) -{ - const struct v4l2_ctrl_h264_slice_params *slice_params; - const struct v4l2_ctrl_h264_decode_params *dec_param; - const struct v4l2_ctrl_h264_sps *sps; - struct vb2_v4l2_buffer *buf = hantro_get_dst_buf(ctx); - const struct v4l2_h264_dpb_entry *dpb = ctx->h264_dec.dpb; - struct vb2_queue *cap_q = &ctx->fh.m2m_ctx->cap_q_ctx.q; - int cur_frame_num, max_frame_num; - unsigned int i; - - dec_param = ctx->h264_dec.ctrls.decode; - slice_params = &ctx->h264_dec.ctrls.slices[0]; - sps = ctx->h264_dec.ctrls.sps; - max_frame_num = 1 << (sps->log2_max_frame_num_minus4 + 4); - cur_frame_num = slice_params->frame_num; - - memset(b, 0, sizeof(*b)); - b->dpb = dpb; - b->curpoc = get_poc(buf->field, dec_param->top_field_order_cnt, - dec_param->bottom_field_order_cnt); - - for (i = 0; i < ARRAY_SIZE(ctx->h264_dec.dpb); i++) { - int buf_idx; - - if (!(dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE)) - continue; - - buf_idx = vb2_find_timestamp(cap_q, dpb[i].reference_ts, 0); - if (buf_idx < 0) - continue; - - buf = to_vb2_v4l2_buffer(vb2_get_buffer(cap_q, buf_idx)); - - /* - * Handle frame_num wraparound as described in section - * '8.2.4.1 Decoding process for picture numbers' of the spec. - * TODO: This logic will have to be adjusted when we start - * supporting interlaced content. - */ - if (dpb[i].frame_num > cur_frame_num) - b->frame_nums[i] = (int)dpb[i].frame_num - max_frame_num; - else - b->frame_nums[i] = dpb[i].frame_num; - - b->pocs[i] = get_poc(buf->field, dpb[i].top_field_order_cnt, - dpb[i].bottom_field_order_cnt); - b->unordered_reflist[b->num_valid] = i; - b->num_valid++; - } - - for (i = b->num_valid; i < ARRAY_SIZE(ctx->h264_dec.dpb); i++) - b->unordered_reflist[i] = i; -} - -static int p_ref_list_cmp(const void *ptra, const void *ptrb, const void *data) -{ - const struct hantro_h264_reflist_builder *builder = data; - const struct v4l2_h264_dpb_entry *a, *b; - u8 idxa, idxb; - - idxa = *((u8 *)ptra); - idxb = *((u8 *)ptrb); - a = &builder->dpb[idxa]; - b = &builder->dpb[idxb]; - - if ((a->flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM) != - (b->flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM)) { - /* Short term pics firt. */ - if (!(a->flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM)) - return -1; - else - return 1; - } - - /* - * Short term pics in descending pic num order, long term ones in - * ascending order. - */ - if (!(a->flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM)) - return HANTRO_CMP(builder->frame_nums[idxb], - builder->frame_nums[idxa]); - - return HANTRO_CMP(a->pic_num, b->pic_num); -} - -static int b0_ref_list_cmp(const void *ptra, const void *ptrb, const void *data) -{ - const struct hantro_h264_reflist_builder *builder = data; - const struct v4l2_h264_dpb_entry *a, *b; - s32 poca, pocb; - u8 idxa, idxb; - - idxa = *((u8 *)ptra); - idxb = *((u8 *)ptrb); - a = &builder->dpb[idxa]; - b = &builder->dpb[idxb]; - - if ((a->flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM) != - (b->flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM)) { - /* Short term pics firt. */ - if (!(a->flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM)) - return -1; - else - return 1; - } - - /* Long term pics in ascending pic num order. */ - if (a->flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM) - return HANTRO_CMP(a->pic_num, b->pic_num); - - poca = builder->pocs[idxa]; - pocb = builder->pocs[idxb]; - - /* - * Short term pics with POC < cur POC first in POC descending order - * followed by short term pics with POC > cur POC in POC ascending - * order. - */ - if ((poca < builder->curpoc) != (pocb < builder->curpoc)) - return HANTRO_CMP(poca, pocb); - else if (poca < builder->curpoc) - return HANTRO_CMP(pocb, poca); - - return HANTRO_CMP(poca, pocb); -} - -static int b1_ref_list_cmp(const void *ptra, const void *ptrb, const void *data) -{ - const struct hantro_h264_reflist_builder *builder = data; - const struct v4l2_h264_dpb_entry *a, *b; - s32 poca, pocb; - u8 idxa, idxb; - - idxa = *((u8 *)ptra); - idxb = *((u8 *)ptrb); - a = &builder->dpb[idxa]; - b = &builder->dpb[idxb]; - - if ((a->flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM) != - (b->flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM)) { - /* Short term pics firt. */ - if (!(a->flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM)) - return -1; - else - return 1; - } - - /* Long term pics in ascending pic num order. */ - if (a->flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM) - return HANTRO_CMP(a->pic_num, b->pic_num); - - poca = builder->pocs[idxa]; - pocb = builder->pocs[idxb]; - - /* - * Short term pics with POC > cur POC first in POC ascending order - * followed by short term pics with POC < cur POC in POC descending - * order. - */ - if ((poca < builder->curpoc) != (pocb < builder->curpoc)) - return HANTRO_CMP(pocb, poca); - else if (poca < builder->curpoc) - return HANTRO_CMP(pocb, poca); - - return HANTRO_CMP(poca, pocb); -} - -static void -build_p_ref_list(const struct hantro_h264_reflist_builder *builder, - u8 *reflist) -{ - memcpy(reflist, builder->unordered_reflist, - sizeof(builder->unordered_reflist)); - sort_r(reflist, builder->num_valid, sizeof(*reflist), - p_ref_list_cmp, NULL, builder); -} - -static void -build_b_ref_lists(const struct hantro_h264_reflist_builder *builder, - u8 *b0_reflist, u8 *b1_reflist) -{ - memcpy(b0_reflist, builder->unordered_reflist, - sizeof(builder->unordered_reflist)); - sort_r(b0_reflist, builder->num_valid, sizeof(*b0_reflist), - b0_ref_list_cmp, NULL, builder); - - memcpy(b1_reflist, builder->unordered_reflist, - sizeof(builder->unordered_reflist)); - sort_r(b1_reflist, builder->num_valid, sizeof(*b1_reflist), - b1_ref_list_cmp, NULL, builder); - - if (builder->num_valid > 1 && - !memcmp(b1_reflist, b0_reflist, builder->num_valid)) - swap(b1_reflist[0], b1_reflist[1]); -} - static bool dpb_entry_match(const struct v4l2_h264_dpb_entry *a, const struct v4l2_h264_dpb_entry *b) { @@ -560,7 +337,7 @@ int hantro_h264_dec_prepare_run(struct hantro_ctx *ctx) { struct hantro_h264_dec_hw_ctx *h264_ctx = &ctx->h264_dec; struct hantro_h264_dec_ctrls *ctrls = &h264_ctx->ctrls; - struct hantro_h264_reflist_builder reflist_builder; + struct v4l2_h264_reflist_builder reflist_builder; hantro_start_prepare_run(ctx); @@ -596,10 +373,12 @@ int hantro_h264_dec_prepare_run(struct hantro_ctx *ctx) prepare_table(ctx); /* Build the P/B{0,1} ref lists. */ - init_reflist_builder(ctx, &reflist_builder); - build_p_ref_list(&reflist_builder, h264_ctx->reflists.p); - build_b_ref_lists(&reflist_builder, h264_ctx->reflists.b0, - h264_ctx->reflists.b1); + v4l2_h264_init_reflist_builder(&reflist_builder, ctrls->decode, + &ctrls->slices[0], ctrls->sps, + ctx->h264_dec.dpb); + v4l2_h264_build_p_ref_list(&reflist_builder, h264_ctx->reflists.p); + v4l2_h264_build_b_ref_lists(&reflist_builder, h264_ctx->reflists.b0, + h264_ctx->reflists.b1); return 0; }