From patchwork Mon Apr 8 20:13:45 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonas Karlman X-Patchwork-Id: 12652 Return-Path: X-Original-To: patchwork@ffaux-bg.ffmpeg.org Delivered-To: patchwork@ffaux-bg.ffmpeg.org Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by ffaux.localdomain (Postfix) with ESMTP id B4A6644864A for ; Mon, 8 Apr 2019 23:13:48 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 9B86E68ACC1; Mon, 8 Apr 2019 23:13:48 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from EUR01-DB5-obe.outbound.protection.outlook.com (mail-oln040092064053.outbound.protection.outlook.com [40.92.64.53]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id BE4B768AC90 for ; Mon, 8 Apr 2019 23:13:46 +0300 (EEST) Received: from DB5EUR01FT044.eop-EUR01.prod.protection.outlook.com (10.152.4.60) by DB5EUR01HT035.eop-EUR01.prod.protection.outlook.com (10.152.5.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.1771.16; Mon, 8 Apr 2019 20:13:45 +0000 Received: from AM3PR03MB0966.eurprd03.prod.outlook.com (10.152.4.58) by DB5EUR01FT044.mail.protection.outlook.com (10.152.4.182) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.1771.16 via Frontend Transport; Mon, 8 Apr 2019 20:13:45 +0000 Received: from AM3PR03MB0966.eurprd03.prod.outlook.com ([fe80::c89:4e52:34c1:7009]) by AM3PR03MB0966.eurprd03.prod.outlook.com ([fe80::c89:4e52:34c1:7009%5]) with mapi id 15.20.1771.016; Mon, 8 Apr 2019 20:13:45 +0000 From: Jonas Karlman To: "ffmpeg-devel@ffmpeg.org" Thread-Topic: [RFC 5/6] Add V4L2 request API hevc hwaccel Thread-Index: AQHU7keR88O4OrbKmkayiDQ97MNBHQ== Date: Mon, 8 Apr 2019 20:13:45 +0000 Message-ID: References: In-Reply-To: Accept-Language: sv-SE, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: AM6P195CA0027.EURP195.PROD.OUTLOOK.COM (2603:10a6:209:81::40) To AM3PR03MB0966.eurprd03.prod.outlook.com (2a01:111:e400:884c::23) x-incomingtopheadermarker: OriginalChecksum:3AA607E09C13675E78FC452C67E6C4E0BF655EB40896B3A4D65C7DDBBDFEA0F9; UpperCasedChecksum:BEEA2451411B184BAE33D25E0E24712F873E877AA363809230124CAD99E3B194; SizeAsReceived:7597; Count:51 x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.17.1 x-tmn: [iVaGq94JrhiXwKvVbZW6GyGbKaTAs9O9] x-microsoft-original-message-id: <20190408201337.4587-1-jonas@kwiboo.se> x-ms-publictraffictype: Email x-incomingheadercount: 51 x-eopattributedmessage: 0 x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(20181119110)(201702061078)(5061506573)(5061507331)(1603103135)(2017031320274)(2017031323274)(2017031324274)(2017031322404)(1601125500)(1603101475)(1701031045); SRVR:DB5EUR01HT035; x-ms-traffictypediagnostic: DB5EUR01HT035: x-microsoft-antispam-message-info: Mjud78CMGMF7wyNUjf3sx6du871ZIIvizTSh60AdL3DstUjE5WTPVaL/Cb6y8929 MIME-Version: 1.0 X-OriginatorOrg: outlook.com X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-CrossTenant-Network-Message-Id: 4a5168e0-0714-4f5e-c393-08d6bc5eb3c1 X-MS-Exchange-CrossTenant-rms-persistedconsumerorg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-CrossTenant-originalarrivaltime: 08 Apr 2019 20:13:45.4476 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Internet X-MS-Exchange-CrossTenant-id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB5EUR01HT035 Subject: [FFmpeg-devel] [RFC 5/6] Add V4L2 request API hevc hwaccel X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: Jernej Skrabec , Jonas Karlman Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" From: Jernej Skrabec Signed-off-by: Jernej Skrabec Signed-off-by: Jonas Karlman --- configure | 3 + libavcodec/Makefile | 1 + libavcodec/hevcdec.c | 10 + libavcodec/hwaccels.h | 1 + libavcodec/v4l2_request_hevc.c | 391 +++++++++++++++++++++++++++++++++ 5 files changed, 406 insertions(+) create mode 100644 libavcodec/v4l2_request_hevc.c diff --git a/configure b/configure index b4fda11e13..6853ec258d 100755 --- a/configure +++ b/configure @@ -2893,6 +2893,8 @@ hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC" hevc_dxva2_hwaccel_select="hevc_decoder" hevc_nvdec_hwaccel_deps="nvdec" hevc_nvdec_hwaccel_select="hevc_decoder" +hevc_v4l2request_hwaccel_deps="v4l2_request hevc_v4l2_request" +hevc_v4l2request_hwaccel_select="hevc_decoder" hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC" hevc_vaapi_hwaccel_select="hevc_decoder" hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC" @@ -6386,6 +6388,7 @@ check_cc vp9_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;" check_func_headers "linux/media.h linux/videodev2.h" v4l2_timeval_to_ns check_cc h264_v4l2_request linux/videodev2.h "int i = V4L2_PIX_FMT_H264_SLICE_RAW;" +check_cc hevc_v4l2_request linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC_SLICE;" check_cc mpeg2_v4l2_request linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2_SLICE;" check_headers sys/videoio.h diff --git a/libavcodec/Makefile b/libavcodec/Makefile index a6b9f1b5e2..f13dd25212 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -878,6 +878,7 @@ OBJS-$(CONFIG_HEVC_D3D11VA_HWACCEL) += dxva2_hevc.o OBJS-$(CONFIG_HEVC_DXVA2_HWACCEL) += dxva2_hevc.o OBJS-$(CONFIG_HEVC_NVDEC_HWACCEL) += nvdec_hevc.o OBJS-$(CONFIG_HEVC_QSV_HWACCEL) += qsvdec_h2645.o +OBJS-$(CONFIG_HEVC_V4L2REQUEST_HWACCEL) += v4l2_request_hevc.o OBJS-$(CONFIG_HEVC_VAAPI_HWACCEL) += vaapi_hevc.o OBJS-$(CONFIG_HEVC_VDPAU_HWACCEL) += vdpau_hevc.o OBJS-$(CONFIG_MJPEG_NVDEC_HWACCEL) += nvdec_mjpeg.o diff --git a/libavcodec/hevcdec.c b/libavcodec/hevcdec.c index 857c10dd12..bb9b7f28d1 100644 --- a/libavcodec/hevcdec.c +++ b/libavcodec/hevcdec.c @@ -362,6 +362,7 @@ static enum AVPixelFormat get_format(HEVCContext *s, const HEVCSPS *sps) #define HWACCEL_MAX (CONFIG_HEVC_DXVA2_HWACCEL + \ CONFIG_HEVC_D3D11VA_HWACCEL * 2 + \ CONFIG_HEVC_NVDEC_HWACCEL + \ + CONFIG_HEVC_V4L2REQUEST_HWACCEL + \ CONFIG_HEVC_VAAPI_HWACCEL + \ CONFIG_HEVC_VIDEOTOOLBOX_HWACCEL + \ CONFIG_HEVC_VDPAU_HWACCEL) @@ -388,6 +389,9 @@ static enum AVPixelFormat get_format(HEVCContext *s, const HEVCSPS *sps) #endif #if CONFIG_HEVC_VIDEOTOOLBOX_HWACCEL *fmt++ = AV_PIX_FMT_VIDEOTOOLBOX; +#endif +#if CONFIG_HEVC_V4L2REQUEST_HWACCEL + *fmt++ = AV_PIX_FMT_DRM_PRIME; #endif break; case AV_PIX_FMT_YUV420P10: @@ -406,6 +410,9 @@ static enum AVPixelFormat get_format(HEVCContext *s, const HEVCSPS *sps) #endif #if CONFIG_HEVC_NVDEC_HWACCEL *fmt++ = AV_PIX_FMT_CUDA; +#endif +#if CONFIG_HEVC_V4L2REQUEST_HWACCEL + *fmt++ = AV_PIX_FMT_DRM_PRIME; #endif break; case AV_PIX_FMT_YUV420P12: @@ -3577,6 +3584,9 @@ AVCodec ff_hevc_decoder = { #endif #if CONFIG_HEVC_VIDEOTOOLBOX_HWACCEL HWACCEL_VIDEOTOOLBOX(hevc), +#endif +#if CONFIG_HEVC_V4L2REQUEST_HWACCEL + HWACCEL_V4L2REQUEST(hevc), #endif NULL }, diff --git a/libavcodec/hwaccels.h b/libavcodec/hwaccels.h index 003200edea..d183675abe 100644 --- a/libavcodec/hwaccels.h +++ b/libavcodec/hwaccels.h @@ -35,6 +35,7 @@ extern const AVHWAccel ff_hevc_d3d11va_hwaccel; extern const AVHWAccel ff_hevc_d3d11va2_hwaccel; extern const AVHWAccel ff_hevc_dxva2_hwaccel; extern const AVHWAccel ff_hevc_nvdec_hwaccel; +extern const AVHWAccel ff_hevc_v4l2request_hwaccel; extern const AVHWAccel ff_hevc_vaapi_hwaccel; extern const AVHWAccel ff_hevc_vdpau_hwaccel; extern const AVHWAccel ff_hevc_videotoolbox_hwaccel; diff --git a/libavcodec/v4l2_request_hevc.c b/libavcodec/v4l2_request_hevc.c new file mode 100644 index 0000000000..300c1866ce --- /dev/null +++ b/libavcodec/v4l2_request_hevc.c @@ -0,0 +1,391 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "hevcdec.h" +#include "hwaccel.h" +#include "v4l2_request.h" + +typedef struct V4L2RequestControlsHEVC { + struct v4l2_ctrl_hevc_sps sps; + struct v4l2_ctrl_hevc_pps pps; + struct v4l2_ctrl_hevc_scaling_matrix scaling_matrix; + struct v4l2_ctrl_hevc_slice_params slice_params; +} V4L2RequestControlsHEVC; + +static void v4l2_request_hevc_fill_pred_table(const HEVCContext *h, struct v4l2_hevc_pred_weight_table *table) +{ + int32_t luma_weight_denom, chroma_weight_denom; + const SliceHeader *sh = &h->sh; + + if (sh->slice_type == HEVC_SLICE_I || + (sh->slice_type == HEVC_SLICE_P && !h->ps.pps->weighted_pred_flag) || + (sh->slice_type == HEVC_SLICE_B && !h->ps.pps->weighted_bipred_flag)) + return; + + table->luma_log2_weight_denom = sh->luma_log2_weight_denom; + + if (h->ps.sps->chroma_format_idc) + table->delta_chroma_log2_weight_denom = sh->chroma_log2_weight_denom - sh->luma_log2_weight_denom; + + luma_weight_denom = (1 << sh->luma_log2_weight_denom); + chroma_weight_denom = (1 << sh->chroma_log2_weight_denom); + + for (int i = 0; i < 15 && i < sh->nb_refs[L0]; i++) { + table->delta_luma_weight_l0[i] = sh->luma_weight_l0[i] - luma_weight_denom; + table->luma_offset_l0[i] = sh->luma_offset_l0[i]; + table->delta_chroma_weight_l0[i][0] = sh->chroma_weight_l0[i][0] - chroma_weight_denom; + table->delta_chroma_weight_l0[i][1] = sh->chroma_weight_l0[i][1] - chroma_weight_denom; + table->chroma_offset_l0[i][0] = sh->chroma_offset_l0[i][0]; + table->chroma_offset_l0[i][1] = sh->chroma_offset_l0[i][1]; + } + + if (sh->slice_type != HEVC_SLICE_B) + return; + + for (int i = 0; i < 15 && i < sh->nb_refs[L1]; i++) { + table->delta_luma_weight_l1[i] = sh->luma_weight_l1[i] - luma_weight_denom; + table->luma_offset_l1[i] = sh->luma_offset_l1[i]; + table->delta_chroma_weight_l1[i][0] = sh->chroma_weight_l1[i][0] - chroma_weight_denom; + table->delta_chroma_weight_l1[i][1] = sh->chroma_weight_l1[i][1] - chroma_weight_denom; + table->chroma_offset_l1[i][0] = sh->chroma_offset_l1[i][0]; + table->chroma_offset_l1[i][1] = sh->chroma_offset_l1[i][1]; + } +} + +static int find_frame_rps_type(const HEVCContext *h, uint64_t timestamp) +{ + const HEVCFrame *frame; + int i; + + for (i = 0; i < h->rps[ST_CURR_BEF].nb_refs; i++) { + frame = h->rps[ST_CURR_BEF].ref[i]; + if (frame && timestamp == ff_v4l2_request_get_capture_timestamp(frame->frame)) + return V4L2_HEVC_DPB_ENTRY_RPS_ST_CURR_BEFORE; + } + + for (i = 0; i < h->rps[ST_CURR_AFT].nb_refs; i++) { + frame = h->rps[ST_CURR_AFT].ref[i]; + if (frame && timestamp == ff_v4l2_request_get_capture_timestamp(frame->frame)) + return V4L2_HEVC_DPB_ENTRY_RPS_ST_CURR_AFTER; + } + + for (i = 0; i < h->rps[LT_CURR].nb_refs; i++) { + frame = h->rps[LT_CURR].ref[i]; + if (frame && timestamp == ff_v4l2_request_get_capture_timestamp(frame->frame)) + return V4L2_HEVC_DPB_ENTRY_RPS_LT_CURR; + } + + return 0; +} + +static uint8_t get_ref_pic_index(const HEVCContext *h, const HEVCFrame *frame, + struct v4l2_ctrl_hevc_slice_params *slice_params) +{ + uint64_t timestamp; + + if (!frame) + return 0; + + timestamp = ff_v4l2_request_get_capture_timestamp(frame->frame); + + for (uint8_t i = 0; i < slice_params->num_active_dpb_entries; i++) { + struct v4l2_hevc_dpb_entry *entry = &slice_params->dpb[i]; + if (entry->timestamp == timestamp) + return i; + } + + return 0; +} + +static void v4l2_request_hevc_fill_slice_params(const HEVCContext *h, + struct v4l2_ctrl_hevc_slice_params *slice_params) +{ + const HEVCFrame *pic = h->ref; + const SliceHeader *sh = &h->sh; + int i, entries = 0; + RefPicList *rpl; + + *slice_params = (struct v4l2_ctrl_hevc_slice_params) { + .bit_size = 0, + .data_bit_offset = get_bits_count(&h->HEVClc->gb), + + /* ISO/IEC 23008-2, ITU-T Rec. H.265: NAL unit header */ + .nal_unit_type = h->nal_unit_type, + .nuh_temporal_id_plus1 = h->temporal_id + 1, + + /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ + .slice_type = sh->slice_type, + .colour_plane_id = sh->colour_plane_id, + .slice_pic_order_cnt = pic->poc, + .slice_sao_luma_flag = sh->slice_sample_adaptive_offset_flag[0], + .slice_sao_chroma_flag = sh->slice_sample_adaptive_offset_flag[1], + .slice_temporal_mvp_enabled_flag = sh->slice_temporal_mvp_enabled_flag, + .num_ref_idx_l0_active_minus1 = sh->nb_refs[L0] ? sh->nb_refs[L0] - 1 : 0, + .num_ref_idx_l1_active_minus1 = sh->nb_refs[L1] ? sh->nb_refs[L1] - 1 : 0, + .mvd_l1_zero_flag = sh->mvd_l1_zero_flag, + .cabac_init_flag = sh->cabac_init_flag, + .collocated_from_l0_flag = sh->collocated_list == L0 ? 1 : 0, + .collocated_ref_idx = sh->slice_temporal_mvp_enabled_flag ? sh->collocated_ref_idx : 0, + .five_minus_max_num_merge_cand = sh->slice_type == HEVC_SLICE_I ? 0 : 5 - sh->max_num_merge_cand, + .use_integer_mv_flag = 0, + .slice_qp_delta = sh->slice_qp_delta, + .slice_cb_qp_offset = sh->slice_cb_qp_offset, + .slice_cr_qp_offset = sh->slice_cr_qp_offset, + .slice_act_y_qp_offset = 0, + .slice_act_cb_qp_offset = 0, + .slice_act_cr_qp_offset = 0, + .slice_deblocking_filter_disabled_flag = sh->disable_deblocking_filter_flag, + .slice_beta_offset_div2 = sh->beta_offset / 2, + .slice_tc_offset_div2 = sh->tc_offset / 2, + .slice_loop_filter_across_slices_enabled_flag = sh->slice_loop_filter_across_slices_enabled_flag, + + /* ISO/IEC 23008-2, ITU-T Rec. H.265: Picture timing SEI message */ + .pic_struct = h->sei.picture_timing.picture_struct, + + /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */ + .num_rps_poc_st_curr_before = h->rps[ST_CURR_BEF].nb_refs, + .num_rps_poc_st_curr_after = h->rps[ST_CURR_AFT].nb_refs, + .num_rps_poc_lt_curr = h->rps[LT_CURR].nb_refs, + + .slice_segment_addr = sh->slice_segment_addr, + .first_slice_segment_in_pic_flag = sh->first_slice_in_pic_flag, + }; + + for (i = 0; i < FF_ARRAY_ELEMS(h->DPB); i++) { + const HEVCFrame *frame = &h->DPB[i]; + if (frame != pic && (frame->flags & (HEVC_FRAME_FLAG_LONG_REF | HEVC_FRAME_FLAG_SHORT_REF))) { + struct v4l2_hevc_dpb_entry *entry = &slice_params->dpb[entries++]; + + entry->timestamp = ff_v4l2_request_get_capture_timestamp(frame->frame); + entry->rps = find_frame_rps_type(h, entry->timestamp); + entry->field_pic = frame->frame->interlaced_frame; + + /* TODO: Interleaved: Get the POC for each field. */ + entry->pic_order_cnt[0] = frame->poc; + entry->pic_order_cnt[1] = frame->poc; + } + } + + slice_params->num_active_dpb_entries = entries; + + if (sh->slice_type != HEVC_SLICE_I) { + rpl = &h->ref->refPicList[0]; + for (i = 0; i < rpl->nb_refs; i++) + slice_params->ref_idx_l0[i] = get_ref_pic_index(h, rpl->ref[i], slice_params); + } + + if (sh->slice_type == HEVC_SLICE_B) { + rpl = &h->ref->refPicList[1]; + for (i = 0; i < rpl->nb_refs; i++) + slice_params->ref_idx_l1[i] = get_ref_pic_index(h, rpl->ref[i], slice_params); + } + + v4l2_request_hevc_fill_pred_table(h, &slice_params->pred_weight_table); + + slice_params->num_entry_point_offsets = sh->num_entry_point_offsets; + if (slice_params->num_entry_point_offsets > 256) { + slice_params->num_entry_point_offsets = 256; + av_log(NULL, AV_LOG_ERROR, "%s: Currently only 256 entry points are supported, but slice has %d entry points.\n", __func__, sh->num_entry_point_offsets); + } + + for (i = 0; i < slice_params->num_entry_point_offsets; i++) + slice_params->entry_point_offset_minus1[i] = sh->entry_point_offset[i] - 1; +} + +static int v4l2_request_hevc_start_frame(AVCodecContext *avctx, + av_unused const uint8_t *buffer, + av_unused uint32_t size) +{ + const HEVCContext *h = avctx->priv_data; + const HEVCSPS *sps = h->ps.sps; + const HEVCPPS *pps = h->ps.pps; + const ScalingList *sl = pps->scaling_list_data_present_flag ? + &pps->scaling_list : + sps->scaling_list_enable_flag ? + &sps->scaling_list : NULL; + V4L2RequestControlsHEVC *controls = h->ref->hwaccel_picture_private; + + /* ISO/IEC 23008-2, ITU-T Rec. H.265: Sequence parameter set */ + controls->sps = (struct v4l2_ctrl_hevc_sps) { + .chroma_format_idc = sps->chroma_format_idc, + .separate_colour_plane_flag = sps->separate_colour_plane_flag, + .pic_width_in_luma_samples = sps->width, + .pic_height_in_luma_samples = sps->height, + .bit_depth_luma_minus8 = sps->bit_depth - 8, + .bit_depth_chroma_minus8 = sps->bit_depth - 8, + .log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_poc_lsb - 4, + .sps_max_dec_pic_buffering_minus1 = sps->temporal_layer[sps->max_sub_layers - 1].max_dec_pic_buffering - 1, + .sps_max_num_reorder_pics = sps->temporal_layer[sps->max_sub_layers - 1].num_reorder_pics, + .sps_max_latency_increase_plus1 = sps->temporal_layer[sps->max_sub_layers - 1].max_latency_increase + 1, + .log2_min_luma_coding_block_size_minus3 = sps->log2_min_cb_size - 3, + .log2_diff_max_min_luma_coding_block_size = sps->log2_diff_max_min_coding_block_size, + .log2_min_luma_transform_block_size_minus2 = sps->log2_min_tb_size - 2, + .log2_diff_max_min_luma_transform_block_size = sps->log2_max_trafo_size - sps->log2_min_tb_size, + .max_transform_hierarchy_depth_inter = sps->max_transform_hierarchy_depth_inter, + .max_transform_hierarchy_depth_intra = sps->max_transform_hierarchy_depth_intra, + .scaling_list_enabled_flag = sps->scaling_list_enable_flag, + .amp_enabled_flag = sps->amp_enabled_flag, + .sample_adaptive_offset_enabled_flag = sps->sao_enabled, + .pcm_enabled_flag = sps->pcm_enabled_flag, + .pcm_sample_bit_depth_luma_minus1 = sps->pcm.bit_depth - 1, + .pcm_sample_bit_depth_chroma_minus1 = sps->pcm.bit_depth_chroma - 1, + .log2_min_pcm_luma_coding_block_size_minus3 = sps->pcm.log2_min_pcm_cb_size - 3, + .log2_diff_max_min_pcm_luma_coding_block_size = sps->pcm.log2_max_pcm_cb_size - sps->pcm.log2_min_pcm_cb_size, + .pcm_loop_filter_disabled_flag = sps->pcm.loop_filter_disable_flag, + .num_short_term_ref_pic_sets = sps->nb_st_rps, + .long_term_ref_pics_present_flag = sps->long_term_ref_pics_present_flag, + .num_long_term_ref_pics_sps = sps->num_long_term_ref_pics_sps, + .sps_temporal_mvp_enabled_flag = sps->sps_temporal_mvp_enabled_flag, + .strong_intra_smoothing_enabled_flag = sps->sps_strong_intra_smoothing_enable_flag, + }; + + if (sl) { + for (int i = 0; i < 6; i++) { + for (int j = 0; j < 16; j++) + controls->scaling_matrix.scaling_list_4x4[i][j] = sl->sl[0][i][j]; + for (int j = 0; j < 64; j++) { + controls->scaling_matrix.scaling_list_8x8[i][j] = sl->sl[1][i][j]; + controls->scaling_matrix.scaling_list_16x16[i][j] = sl->sl[2][i][j]; + if (i < 2) + controls->scaling_matrix.scaling_list_32x32[i][j] = sl->sl[3][i * 3][j]; + } + controls->scaling_matrix.scaling_list_dc_coef_16x16[i] = sl->sl_dc[0][i]; + if (i < 2) + controls->scaling_matrix.scaling_list_dc_coef_32x32[i] = sl->sl_dc[1][i * 3]; + } + } + + /* ISO/IEC 23008-2, ITU-T Rec. H.265: Picture parameter set */ + controls->pps = (struct v4l2_ctrl_hevc_pps) { + .dependent_slice_segment_flag = pps->dependent_slice_segments_enabled_flag, + .output_flag_present_flag = pps->output_flag_present_flag, + .num_extra_slice_header_bits = pps->num_extra_slice_header_bits, + .sign_data_hiding_enabled_flag = pps->sign_data_hiding_flag, + .cabac_init_present_flag = pps->cabac_init_present_flag, + .init_qp_minus26 = pps->pic_init_qp_minus26, + .constrained_intra_pred_flag = pps->constrained_intra_pred_flag, + .transform_skip_enabled_flag = pps->transform_skip_enabled_flag, + .cu_qp_delta_enabled_flag = pps->cu_qp_delta_enabled_flag, + .diff_cu_qp_delta_depth = pps->diff_cu_qp_delta_depth, + .pps_cb_qp_offset = pps->cb_qp_offset, + .pps_cr_qp_offset = pps->cr_qp_offset, + .pps_slice_chroma_qp_offsets_present_flag = pps->pic_slice_level_chroma_qp_offsets_present_flag, + .weighted_pred_flag = pps->weighted_pred_flag, + .weighted_bipred_flag = pps->weighted_bipred_flag, + .transquant_bypass_enabled_flag = pps->transquant_bypass_enable_flag, + .tiles_enabled_flag = pps->tiles_enabled_flag, + .entropy_coding_sync_enabled_flag = pps->entropy_coding_sync_enabled_flag, + .loop_filter_across_tiles_enabled_flag = pps->loop_filter_across_tiles_enabled_flag, + .pps_loop_filter_across_slices_enabled_flag = pps->seq_loop_filter_across_slices_enabled_flag, + .deblocking_filter_override_enabled_flag = pps->deblocking_filter_override_enabled_flag, + .pps_disable_deblocking_filter_flag = pps->disable_dbf, + .pps_beta_offset_div2 = pps->beta_offset / 2, + .pps_tc_offset_div2 = pps->tc_offset / 2, + .lists_modification_present_flag = pps->lists_modification_present_flag, + .log2_parallel_merge_level_minus2 = pps->log2_parallel_merge_level - 2, + .slice_segment_header_extension_present_flag = pps->slice_header_extension_present_flag, + .scaling_list_enable_flag = pps->scaling_list_data_present_flag, // pps_scaling_list_data_present_flag + }; + + if (pps->tiles_enabled_flag) { + controls->pps.num_tile_columns_minus1 = pps->num_tile_columns - 1; + controls->pps.num_tile_rows_minus1 = pps->num_tile_rows - 1; + + av_log(avctx, AV_LOG_DEBUG, "%s: avctx=%p tiles_enabled_flag=%d num_tile_columns=%d num_tile_rows=%d\n", __func__, avctx, pps->tiles_enabled_flag, pps->num_tile_columns, pps->num_tile_rows); + + for (int i = 0; i < pps->num_tile_columns; i++) + controls->pps.column_width_minus1[i] = pps->column_width[i] - 1; + + for (int i = 0; i < pps->num_tile_rows; i++) + controls->pps.row_height_minus1[i] = pps->row_height[i] - 1; + } + + return ff_v4l2_request_reset_frame(avctx, h->ref->frame); +} + +static int v4l2_request_hevc_end_frame(AVCodecContext *avctx) +{ + const HEVCContext *h = avctx->priv_data; + V4L2RequestControlsHEVC *controls = h->ref->hwaccel_picture_private; + V4L2RequestDescriptor *req = (V4L2RequestDescriptor*)h->ref->frame->data[0]; + + struct v4l2_ext_control control[] = { + { + .id = V4L2_CID_MPEG_VIDEO_HEVC_SPS, + .ptr = &controls->sps, + .size = sizeof(controls->sps), + }, + { + .id = V4L2_CID_MPEG_VIDEO_HEVC_PPS, + .ptr = &controls->pps, + .size = sizeof(controls->pps), + }, + { + .id = V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX, + .ptr = &controls->scaling_matrix, + .size = sizeof(controls->scaling_matrix), + }, + { + .id = V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS, + .ptr = &controls->slice_params, + .size = sizeof(controls->slice_params), + }, + }; + + controls->slice_params.bit_size = req->output.used * 8; + + return ff_v4l2_request_decode_frame(avctx, h->ref->frame, control, FF_ARRAY_ELEMS(control)); +} + +static int v4l2_request_hevc_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size) +{ + const HEVCContext *h = avctx->priv_data; + V4L2RequestControlsHEVC *controls = h->ref->hwaccel_picture_private; + V4L2RequestDescriptor *req = (V4L2RequestDescriptor*)h->ref->frame->data[0]; + + // HACK: trigger decode per slice + if (req->output.used) { + v4l2_request_hevc_end_frame(avctx); + ff_v4l2_request_reset_frame(avctx, h->ref->frame); + } + + v4l2_request_hevc_fill_slice_params(h, &controls->slice_params); + + return ff_v4l2_request_append_output_buffer(avctx, h->ref->frame, buffer, size); +} + +static int v4l2_request_hevc_init(AVCodecContext *avctx) +{ + return ff_v4l2_request_init(avctx, V4L2_PIX_FMT_HEVC_SLICE, 2 * 1024 * 1024, NULL, 0); +} + +const AVHWAccel ff_hevc_v4l2request_hwaccel = { + .name = "hevc_v4l2request", + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_HEVC, + .pix_fmt = AV_PIX_FMT_DRM_PRIME, + .start_frame = v4l2_request_hevc_start_frame, + .decode_slice = v4l2_request_hevc_decode_slice, + .end_frame = v4l2_request_hevc_end_frame, + .frame_priv_data_size = sizeof(V4L2RequestControlsHEVC), + .init = v4l2_request_hevc_init, + .uninit = ff_v4l2_request_uninit, + .priv_data_size = sizeof(V4L2RequestContext), + .frame_params = ff_v4l2_request_frame_params, + .caps_internal = HWACCEL_CAP_ASYNC_SAFE, +};