[packages/ffmpeg/ffmpeg-4.4] add hevc support to v4l2 request patch
atler
atler at pld-linux.org
Wed Jun 14 14:00:57 CEST 2023
commit 0c4c801c4457e43e0dfd21e5f73fe43a8ea32cd6
Author: Jan Palus <atler at pld-linux.org>
Date: Wed Jun 14 13:54:04 2023 +0200
add hevc support to v4l2 request patch
from https://github.com/jernejsk/FFmpeg/tree/v4l2-request-n6.0
ffmpeg.spec | 2 +-
v4l2-request-hwdec.patch | 790 +++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 791 insertions(+), 1 deletion(-)
---
diff --git a/ffmpeg.spec b/ffmpeg.spec
index 02fd419..677adbd 100644
--- a/ffmpeg.spec
+++ b/ffmpeg.spec
@@ -218,7 +218,7 @@ BuildRequires: libvorbis-devel
BuildRequires: libxcb-devel >= 1.4
%{?with_libxml2:BuildRequires: libxml2-devel >= 2}
%{?with_lv2:BuildRequires: lilv-devel}
-%{?with_v4l2_request:BuildRequires: linux-libc-headers >= 7:5.11.0}
+%{?with_v4l2_request:BuildRequires: linux-libc-headers >= 7:6.0.0}
%{?with_lv2:BuildRequires: lv2-devel}
%{?with_mfx:BuildRequires: mfx_dispatch-devel >= 1.19}
%ifarch %{ix86}
diff --git a/v4l2-request-hwdec.patch b/v4l2-request-hwdec.patch
index d56c083..73bc40a 100644
--- a/v4l2-request-hwdec.patch
+++ b/v4l2-request-hwdec.patch
@@ -3555,3 +3555,793 @@ index 9b95c76cdb8..ec0300f66db 100644
}
const AVHWAccel ff_vp9_v4l2request_hwaccel = {
+From e5df38921bf3a7f918c7e05b0207e3fde6c65017 Mon Sep 17 00:00:00 2001
+From: Jernej Skrabec <jernej.skrabec at siol.net>
+Date: Sat, 15 Dec 2018 22:32:16 +0100
+Subject: [PATCH] Add V4L2 request API hevc hwaccel
+
+Signed-off-by: Jernej Skrabec <jernej.skrabec at siol.net>
+Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
+Signed-off-by: Benjamin Gaignard <benjamin.gaignard at collabora.com>
+Signed-off-by: Alex Bee <knaerzche at gmail.com>
+---
+ configure | 3 +
+ libavcodec/Makefile | 1 +
+ libavcodec/hevcdec.c | 10 +
+ libavcodec/hwaccels.h | 1 +
+ libavcodec/v4l2_request_hevc.c | 679 +++++++++++++++++++++++++++++++++
+ 5 files changed, 694 insertions(+)
+ create mode 100644 libavcodec/v4l2_request_hevc.c
+
+diff --git a/configure b/configure
+index 794bd7f4d612..2565ce8d7c20 100755
+--- a/configure
++++ b/configure
+@@ -3049,6 +3049,8 @@ 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"
+@@ -6894,6 +6896,7 @@ fi
+
+ 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;"
++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_cc vp8_v4l2_request linux/videodev2.h "int i = V4L2_PIX_FMT_VP8_FRAME;"
+ check_cc vp9_v4l2_request linux/videodev2.h "int i = V4L2_PIX_FMT_VP9_FRAME;"
+diff --git a/libavcodec/Makefile b/libavcodec/Makefile
+index 7da4fd1a8718..cd08740e75f1 100644
+--- a/libavcodec/Makefile
++++ b/libavcodec/Makefile
+@@ -998,6 +998,7 @@ 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.o
++OBJS-$(CONFIG_HEVC_V4L2REQUEST_HWACCEL) += v4l2_request_hevc.o
+ OBJS-$(CONFIG_HEVC_VAAPI_HWACCEL) += vaapi_hevc.o h265_profile_level.o
+ OBJS-$(CONFIG_HEVC_VDPAU_HWACCEL) += vdpau_hevc.o h265_profile_level.o
+ OBJS-$(CONFIG_MJPEG_NVDEC_HWACCEL) += nvdec_mjpeg.o
+diff --git a/libavcodec/hevcdec.c b/libavcodec/hevcdec.c
+index 567e8d81d4a6..79b821e7e51e 100644
+--- a/libavcodec/hevcdec.c
++++ b/libavcodec/hevcdec.c
+@@ -403,6 +403,7 @@ 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)
+@@ -429,6 +430,9 @@ 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:
+@@ -450,6 +454,9 @@ 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_YUV444P:
+@@ -3739,6 +3746,9 @@ const FFCodec 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 6f9f0780019b..e4e4abc0606a 100644
+--- a/libavcodec/hwaccels.h
++++ b/libavcodec/hwaccels.h
+@@ -41,6 +41,7 @@ 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 000000000000..3e2b9a575ed0
+--- /dev/null
++++ b/libavcodec/v4l2_request_hevc.c
+@@ -0,0 +1,679 @@
++/*
++ * 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 "hwconfig.h"
++#include "internal.h"
++#include "v4l2_request.h"
++
++#define MAX_SLICES 600 // as per HEVC spec ?
++#define V4L2_HEVC_CONTROLS_MAX 6
++
++typedef struct V4L2RequestControlsHEVC {
++ struct v4l2_ctrl_hevc_sps sps;
++ struct v4l2_ctrl_hevc_pps pps;
++ struct v4l2_ctrl_hevc_decode_params dec_params;
++ struct v4l2_ctrl_hevc_scaling_matrix scaling_matrix;
++ struct v4l2_ctrl_hevc_slice_params slice_params[MAX_SLICES];
++ __u32 *entry_point_offsets;
++ unsigned int num_entry_point_offsets;
++ int first_slice;
++ int num_slices;
++} V4L2RequestControlsHEVC;
++
++typedef struct V4L2RequestContextHEVC {
++ V4L2RequestContext base;
++ unsigned int decode_mode;
++ unsigned int start_code;
++ __u32 max_slices;
++ unsigned int supports_entry_point_offsets;
++ unsigned int supports_slices;
++ unsigned int supports_scaling_matrix;
++} V4L2RequestContextHEVC;
++
++static uint8_t nalu_slice_start_code[] = { 0x00, 0x00, 0x01 };
++
++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 uint8_t get_ref_pic_index(const HEVCContext *h, const HEVCFrame *frame,
++ struct v4l2_ctrl_hevc_decode_params *dec_params)
++{
++ uint64_t timestamp;
++
++ if (!frame)
++ return 0;
++
++ timestamp = ff_v4l2_request_get_capture_timestamp(frame->frame);
++
++ for (uint8_t i = 0; i < dec_params->num_active_dpb_entries; i++) {
++ struct v4l2_hevc_dpb_entry *entry = &dec_params->dpb[i];
++ if (entry->timestamp == timestamp)
++ return i;
++ }
++
++ return 0;
++}
++
++static void fill_dec_params(struct v4l2_ctrl_hevc_decode_params *dec_params, const HEVCContext *h)
++{
++ const HEVCFrame *pic = h->ref;
++ const SliceHeader *sh = &h->sh;
++ int i, entries = 0;
++
++ *dec_params = (struct v4l2_ctrl_hevc_decode_params) {
++ .pic_order_cnt_val = pic->poc, /* FIXME: is this same as slice_params->slice_pic_order_cnt ? */
++ .short_term_ref_pic_set_size = sh->short_term_ref_pic_set_size,
++ .long_term_ref_pic_set_size = sh->long_term_ref_pic_set_size,
++ .num_poc_st_curr_before = h->rps[ST_CURR_BEF].nb_refs,
++ .num_poc_st_curr_after = h->rps[ST_CURR_AFT].nb_refs,
++ .num_poc_lt_curr = h->rps[LT_CURR].nb_refs,
++ };
++
++ 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 = &dec_params->dpb[entries++];
++
++ entry->timestamp = ff_v4l2_request_get_capture_timestamp(frame->frame);
++ entry->field_pic = frame->frame->interlaced_frame;
++ entry->flags = 0;
++ if (frame->flags & HEVC_FRAME_FLAG_LONG_REF)
++ entry->flags |= V4L2_HEVC_DPB_ENTRY_LONG_TERM_REFERENCE;
++
++ entry->pic_order_cnt_val = frame->poc;
++ }
++ }
++
++ dec_params->num_active_dpb_entries = entries;
++
++ if (IS_IRAP(h))
++ dec_params->flags |= V4L2_HEVC_DECODE_PARAM_FLAG_IRAP_PIC;
++
++ if (IS_IDR(h))
++ dec_params->flags |= V4L2_HEVC_DECODE_PARAM_FLAG_IDR_PIC;
++
++ if (sh->no_output_of_prior_pics_flag)
++ dec_params->flags |= V4L2_HEVC_DECODE_PARAM_FLAG_NO_OUTPUT_OF_PRIOR;
++
++ for (i = 0; i < V4L2_HEVC_DPB_ENTRIES_NUM_MAX; i++) {
++ dec_params->poc_st_curr_before[i] = get_ref_pic_index(h, h->rps[ST_CURR_BEF].ref[i], dec_params);
++ dec_params->poc_st_curr_after[i] = get_ref_pic_index(h, h->rps[ST_CURR_AFT].ref[i], dec_params);
++ dec_params->poc_lt_curr[i] = get_ref_pic_index(h, h->rps[LT_CURR].ref[i], dec_params);
++ }
++}
++
++static int v4l2_request_hevc_fill_slice_params(const HEVCContext *h,
++ V4L2RequestControlsHEVC *controls,
++ int slice)
++{
++ struct v4l2_ctrl_hevc_slice_params *slice_params = &controls->slice_params[slice];
++ struct v4l2_ctrl_hevc_decode_params *dec_params = &controls->dec_params;
++ const HEVCFrame *pic = h->ref;
++ const SliceHeader *sh = &h->sh;
++ RefPicList *rpl;
++ int i;
++
++ *slice_params = (struct v4l2_ctrl_hevc_slice_params) {
++ .bit_size = 0,
++ .data_byte_offset = (get_bits_count(&h->HEVClc->gb) + 1 + 7) / 8,
++ .num_entry_point_offsets = sh->num_entry_point_offsets,
++
++ /* 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,
++ .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,
++ .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,
++ .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_beta_offset_div2 = sh->beta_offset / 2,
++ .slice_tc_offset_div2 = sh->tc_offset / 2,
++
++ /* 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 */
++ .slice_segment_addr = sh->slice_segment_addr,
++ .short_term_ref_pic_set_size = sh->short_term_ref_pic_set_size,
++ .long_term_ref_pic_set_size = sh->long_term_ref_pic_set_size,
++ };
++
++ if (sh->slice_sample_adaptive_offset_flag[0])
++ slice_params->flags |= V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_LUMA;
++
++ if (sh->slice_sample_adaptive_offset_flag[1])
++ slice_params->flags |= V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_CHROMA;
++
++ if (sh->slice_temporal_mvp_enabled_flag)
++ slice_params->flags |= V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_TEMPORAL_MVP_ENABLED;
++
++ if (sh->mvd_l1_zero_flag)
++ slice_params->flags |= V4L2_HEVC_SLICE_PARAMS_FLAG_MVD_L1_ZERO;
++
++ if (sh->cabac_init_flag)
++ slice_params->flags |= V4L2_HEVC_SLICE_PARAMS_FLAG_CABAC_INIT;
++
++ if (sh->collocated_list == L0)
++ slice_params->flags |= V4L2_HEVC_SLICE_PARAMS_FLAG_COLLOCATED_FROM_L0;
++
++ /* TODO: V4L2_HEVC_SLICE_PARAMS_FLAG_USE_INTEGER_MV */
++
++ if (sh->disable_deblocking_filter_flag)
++ slice_params->flags |= V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_DEBLOCKING_FILTER_DISABLED;
++
++ if (sh->slice_loop_filter_across_slices_enabled_flag)
++ slice_params->flags |= V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED;
++
++ if (sh->dependent_slice_segment_flag)
++ slice_params->flags |= V4L2_HEVC_SLICE_PARAMS_FLAG_DEPENDENT_SLICE_SEGMENT;
++
++ 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], dec_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], dec_params);
++ }
++
++ v4l2_request_hevc_fill_pred_table(h, &slice_params->pred_weight_table);
++
++ if (controls->num_entry_point_offsets < sh->num_entry_point_offsets) {
++ av_freep(&controls->entry_point_offsets);
++ controls->entry_point_offsets = av_mallocz(sizeof(*controls->entry_point_offsets) * sh->num_entry_point_offsets);
++ if (!controls->entry_point_offsets)
++ return AVERROR(ENOMEM);
++ controls->num_entry_point_offsets = sh->num_entry_point_offsets;
++ }
++
++ for (i = 0; i < sh->num_entry_point_offsets; i++)
++ controls->entry_point_offsets[i] = sh->entry_point_offset[i];
++
++ return 0;
++}
++
++static void fill_sps(struct v4l2_ctrl_hevc_sps *ctrl, const HEVCContext *h)
++{
++ const HEVCSPS *sps = h->ps.sps;
++ const HEVCPPS *pps = h->ps.pps;
++
++ /* ISO/IEC 23008-2, ITU-T Rec. H.265: Sequence parameter set */
++ *ctrl = (struct v4l2_ctrl_hevc_sps) {
++ .video_parameter_set_id = sps->vps_id,
++ .seq_parameter_set_id = pps->sps_id,
++ .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_chroma - 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,
++ .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,
++ .num_short_term_ref_pic_sets = sps->nb_st_rps,
++ .num_long_term_ref_pics_sps = sps->num_long_term_ref_pics_sps,
++ .chroma_format_idc = sps->chroma_format_idc,
++ .sps_max_sub_layers_minus1 = sps->max_sub_layers - 1,
++ };
++
++ if (sps->separate_colour_plane_flag)
++ ctrl->flags |= V4L2_HEVC_SPS_FLAG_SEPARATE_COLOUR_PLANE;
++
++ if (sps->scaling_list_enable_flag)
++ ctrl->flags |= V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED;
++
++ if (sps->amp_enabled_flag)
++ ctrl->flags |= V4L2_HEVC_SPS_FLAG_AMP_ENABLED;
++
++ if (sps->sao_enabled)
++ ctrl->flags |= V4L2_HEVC_SPS_FLAG_SAMPLE_ADAPTIVE_OFFSET;
++
++ if (sps->pcm_enabled_flag)
++ ctrl->flags |= V4L2_HEVC_SPS_FLAG_PCM_ENABLED;
++
++ if (sps->pcm.loop_filter_disable_flag)
++ ctrl->flags |= V4L2_HEVC_SPS_FLAG_PCM_LOOP_FILTER_DISABLED;
++
++ if (sps->long_term_ref_pics_present_flag)
++ ctrl->flags |= V4L2_HEVC_SPS_FLAG_LONG_TERM_REF_PICS_PRESENT;
++
++ if (sps->sps_temporal_mvp_enabled_flag)
++ ctrl->flags |= V4L2_HEVC_SPS_FLAG_SPS_TEMPORAL_MVP_ENABLED;
++
++ if (sps->sps_strong_intra_smoothing_enable_flag)
++ ctrl->flags |= V4L2_HEVC_SPS_FLAG_STRONG_INTRA_SMOOTHING_ENABLED;
++}
++
++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 HEVCPPS *pps = h->ps.pps;
++ const HEVCSPS *sps = h->ps.sps;
++ 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;
++ const SliceHeader *sh = &h->sh;
++
++ fill_sps(&controls->sps, h);
++ fill_dec_params(&controls->dec_params, h);
++
++ 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) {
++ .pic_parameter_set_id = sh->pps_id,
++ .num_extra_slice_header_bits = pps->num_extra_slice_header_bits,
++ .num_ref_idx_l0_default_active_minus1 = pps->num_ref_idx_l0_default_active - 1,
++ .num_ref_idx_l1_default_active_minus1 = pps->num_ref_idx_l1_default_active - 1,
++ .init_qp_minus26 = pps->pic_init_qp_minus26,
++ .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_beta_offset_div2 = pps->beta_offset / 2,
++ .pps_tc_offset_div2 = pps->tc_offset / 2,
++ .log2_parallel_merge_level_minus2 = pps->log2_parallel_merge_level - 2,
++ };
++
++ if (pps->dependent_slice_segments_enabled_flag)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT_ENABLED;
++
++ if (pps->output_flag_present_flag)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT;
++
++ if (pps->sign_data_hiding_flag)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_SIGN_DATA_HIDING_ENABLED;
++
++ if (pps->cabac_init_present_flag)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_CABAC_INIT_PRESENT;
++
++ if (pps->constrained_intra_pred_flag)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_CONSTRAINED_INTRA_PRED;
++
++ if (pps->transform_skip_enabled_flag)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_TRANSFORM_SKIP_ENABLED;
++
++ if (pps->cu_qp_delta_enabled_flag)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_CU_QP_DELTA_ENABLED;
++
++ if (pps->pic_slice_level_chroma_qp_offsets_present_flag)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_PPS_SLICE_CHROMA_QP_OFFSETS_PRESENT;
++
++ if (pps->weighted_pred_flag)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_WEIGHTED_PRED;
++
++ if (pps->weighted_bipred_flag)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_WEIGHTED_BIPRED;
++
++ if (pps->transquant_bypass_enable_flag)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_TRANSQUANT_BYPASS_ENABLED;
++
++ if (pps->tiles_enabled_flag)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_TILES_ENABLED;
++
++ if (pps->entropy_coding_sync_enabled_flag)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_ENTROPY_CODING_SYNC_ENABLED;
++
++ if (pps->loop_filter_across_tiles_enabled_flag)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_LOOP_FILTER_ACROSS_TILES_ENABLED;
++
++ if (pps->seq_loop_filter_across_slices_enabled_flag)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED;
++
++ if (pps->deblocking_filter_override_enabled_flag)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_OVERRIDE_ENABLED;
++
++ if (pps->disable_dbf)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_PPS_DISABLE_DEBLOCKING_FILTER;
++
++ if (pps->lists_modification_present_flag)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_LISTS_MODIFICATION_PRESENT;
++
++ if (pps->slice_header_extension_present_flag)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_SLICE_SEGMENT_HEADER_EXTENSION_PRESENT;
++
++ if (pps->deblocking_filter_control_present_flag)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT;
++
++ if (pps->uniform_spacing_flag)
++ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_UNIFORM_SPACING;
++
++ 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;
++
++ 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;
++ }
++
++ controls->first_slice = 1;
++ controls->num_slices = 0;
++ controls->num_entry_point_offsets = 0;
++
++ return ff_v4l2_request_reset_frame(avctx, h->ref->frame);
++}
++
++static int v4l2_request_hevc_queue_decode(AVCodecContext *avctx, int last_slice)
++{
++ const HEVCContext *h = avctx->priv_data;
++ V4L2RequestControlsHEVC *controls = h->ref->hwaccel_picture_private;
++ struct v4l2_ctrl_hevc_slice_params *first_slice_params = &controls->slice_params[0];
++ V4L2RequestContextHEVC *ctx = avctx->internal->hwaccel_priv_data;
++ int num_controls = 0;
++
++ struct v4l2_ext_control control[V4L2_HEVC_CONTROLS_MAX] = {};
++
++ control[num_controls++] = (struct v4l2_ext_control) {
++ .id = V4L2_CID_STATELESS_HEVC_SPS,
++ .ptr = &controls->sps,
++ .size = sizeof(controls->sps),
++ };
++
++ control[num_controls++] = (struct v4l2_ext_control) {
++ .id = V4L2_CID_STATELESS_HEVC_PPS,
++ .ptr = &controls->pps,
++ .size = sizeof(controls->pps),
++ };
++
++ control[num_controls++] = (struct v4l2_ext_control) {
++ .id = V4L2_CID_STATELESS_HEVC_DECODE_PARAMS,
++ .ptr = &controls->dec_params,
++ .size = sizeof(controls->dec_params),
++ };
++
++ if (ctx->supports_scaling_matrix)
++ control[num_controls++] = (struct v4l2_ext_control) {
++ .id = V4L2_CID_STATELESS_HEVC_SCALING_MATRIX,
++ .ptr = &controls->scaling_matrix,
++ .size = sizeof(controls->scaling_matrix),
++ };
++
++ if (ctx->supports_slices)
++ control[num_controls++] = (struct v4l2_ext_control) {
++ .id = V4L2_CID_STATELESS_HEVC_SLICE_PARAMS,
++ .ptr = &controls->slice_params,
++ .size = sizeof(*first_slice_params) * controls->num_slices,
++ };
++
++ //this assumes that decoders supporting entry_point_offsets submit a single slice per request
++ if (ctx->supports_entry_point_offsets && first_slice_params->num_entry_point_offsets > 0)
++ control[num_controls++] = (struct v4l2_ext_control) {
++ .id = V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSETS,
++ .ptr = controls->entry_point_offsets,
++ .size = sizeof(*controls->entry_point_offsets) * first_slice_params->num_entry_point_offsets,
++ };
++
++ if (ctx->decode_mode == V4L2_STATELESS_HEVC_DECODE_MODE_SLICE_BASED)
++ return ff_v4l2_request_decode_slice(avctx, h->ref->frame, control, num_controls, controls->first_slice, last_slice);
++
++ return ff_v4l2_request_decode_frame(avctx, h->ref->frame, control, num_controls);
++}
++
++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;
++ V4L2RequestContextHEVC *ctx = avctx->internal->hwaccel_priv_data;
++ V4L2RequestDescriptor *req = (V4L2RequestDescriptor*)h->ref->frame->data[0];
++ int ret, slice = FFMIN(controls->num_slices, MAX_SLICES - 1);
++
++ if (ctx->decode_mode == V4L2_STATELESS_HEVC_DECODE_MODE_SLICE_BASED && slice) {
++ ret = v4l2_request_hevc_queue_decode(avctx, 0);
++ if (ret)
++ return ret;
++
++ ff_v4l2_request_reset_frame(avctx, h->ref->frame);
++ slice = controls->num_slices = 0;
++ controls->first_slice = 0;
++ }
++
++ ret = v4l2_request_hevc_fill_slice_params(h, controls, slice);
++ if (ret)
++ return ret;
++
++ if (ctx->start_code == V4L2_STATELESS_HEVC_START_CODE_ANNEX_B) {
++ ret = ff_v4l2_request_append_output_buffer(avctx, h->ref->frame, nalu_slice_start_code, 3);
++ if (ret)
++ return ret;
++ }
++
++ ret = ff_v4l2_request_append_output_buffer(avctx, h->ref->frame, buffer, size);
++ if (ret)
++ return ret;
++
++ controls->slice_params[slice].bit_size = req->output.used * 8; //FIXME
++ controls->num_slices++;
++ return 0;
++}
++
++static int v4l2_request_hevc_end_frame(AVCodecContext *avctx)
++{
++ const HEVCContext *h = avctx->priv_data;
++ V4L2RequestControlsHEVC *controls = h->ref->hwaccel_picture_private;
++ int ret;
++
++ ret = v4l2_request_hevc_queue_decode(avctx, 1);
++
++ av_freep(&controls->entry_point_offsets);
++
++ return ret;
++}
++
++static int v4l2_request_hevc_set_controls(AVCodecContext *avctx)
++{
++ V4L2RequestContextHEVC *ctx = avctx->internal->hwaccel_priv_data;
++ int ret;
++
++ struct v4l2_ext_control control[] = {
++ { .id = V4L2_CID_STATELESS_HEVC_DECODE_MODE, },
++ { .id = V4L2_CID_STATELESS_HEVC_START_CODE, },
++ };
++ struct v4l2_query_ext_ctrl entry_point_offsets = {
++ .id = V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSETS,
++ };
++ struct v4l2_query_ext_ctrl slice_params = {
++ .id = V4L2_CID_STATELESS_HEVC_SLICE_PARAMS,
++ };
++ struct v4l2_query_ext_ctrl scaling_matrix = {
++ .id = V4L2_CID_STATELESS_HEVC_SCALING_MATRIX,
++ };
++
++ ctx->decode_mode = ff_v4l2_request_query_control_default_value(avctx, V4L2_CID_STATELESS_HEVC_DECODE_MODE);
++ if (ctx->decode_mode != V4L2_STATELESS_HEVC_DECODE_MODE_SLICE_BASED &&
++ ctx->decode_mode != V4L2_STATELESS_HEVC_DECODE_MODE_FRAME_BASED) {
++ av_log(avctx, AV_LOG_ERROR, "%s: unsupported decode mode, %d\n", __func__, ctx->decode_mode);
++ return AVERROR(EINVAL);
++ }
++
++ ctx->start_code = ff_v4l2_request_query_control_default_value(avctx, V4L2_CID_STATELESS_HEVC_START_CODE);
++ if (ctx->start_code != V4L2_STATELESS_HEVC_START_CODE_NONE &&
++ ctx->start_code != V4L2_STATELESS_HEVC_START_CODE_ANNEX_B) {
++ av_log(avctx, AV_LOG_ERROR, "%s: unsupported start code, %d\n", __func__, ctx->start_code);
++ return AVERROR(EINVAL);
++ }
++
++ ret = ff_v4l2_request_query_control(avctx, &entry_point_offsets);
++ if (ret) {
++ ctx->supports_entry_point_offsets = 0;
++ } else {
++ ctx->supports_entry_point_offsets = 1;
++ }
++
++ ret = ff_v4l2_request_query_control(avctx, &slice_params);
++ if (ret) {
++ ctx->supports_slices = 0;
++ ctx->max_slices = 0;
++ if (ctx->decode_mode == V4L2_STATELESS_HEVC_DECODE_MODE_SLICE_BASED) {
++ av_log(avctx, AV_LOG_ERROR, "%s: decoder is slice-based, \
++ but doesn't support V4L2_CID_STATELESS_HEVC_SLICE_PARAMS control \n", __func__);
++ return AVERROR(EINVAL);
++ }
++
++ if (ctx->supports_entry_point_offsets) {
++ av_log(avctx, AV_LOG_ERROR, "%s: decoder supports entry_point_offsets, \
++ but doesn't support V4L2_CID_STATELESS_HEVC_SLICE_PARAMS control \n", __func__);
++ return AVERROR(EINVAL);
++ }
++ } else {
++ ctx->supports_slices = 1;
++ ctx->max_slices = slice_params.dims[0];
++ if (ctx->max_slices > MAX_SLICES) {
++ av_log(avctx, AV_LOG_ERROR, "%s: unsupported max slices, %u\n", __func__, ctx->max_slices);
++ return AVERROR(EINVAL);
++ }
++ }
++
++ ret = ff_v4l2_request_query_control(avctx, &scaling_matrix);
++ if (ret)
++ ctx->supports_scaling_matrix = 0;
++ else
++ ctx->supports_scaling_matrix = 1;
++
++ av_log(avctx, AV_LOG_DEBUG, "%s: decoder is %s and supports slices %d, supports entry_point_offsets: %d supports scaling_matrix: %d max slices: %u\n",
++ __func__,
++ ctx->decode_mode == V4L2_STATELESS_HEVC_DECODE_MODE_SLICE_BASED ? "slice based" : "frame based",
++ ctx->supports_slices,
++ ctx->supports_entry_point_offsets,
++ ctx->supports_scaling_matrix,
++ ctx->max_slices
++ );
++
++ control[0].value = ctx->decode_mode;
++ control[1].value = ctx->start_code;
++
++ return ff_v4l2_request_set_controls(avctx, control, FF_ARRAY_ELEMS(control));
++}
++
++static int v4l2_request_hevc_init(AVCodecContext *avctx)
++{
++ const HEVCContext *h = avctx->priv_data;
++ struct v4l2_ctrl_hevc_sps sps;
++ int ret;
++
++ struct v4l2_ext_control control[] = {
++ {
++ .id = V4L2_CID_STATELESS_HEVC_SPS,
++ .ptr = &sps,
++ .size = sizeof(sps),
++ },
++ };
++
++ fill_sps(&sps, h);
++
++ ret = ff_v4l2_request_init(avctx, V4L2_PIX_FMT_HEVC_SLICE, 4 * 1024 * 1024, control, FF_ARRAY_ELEMS(control));
++ if (ret)
++ return ret;
++
++ return v4l2_request_hevc_set_controls(avctx);
++}
++
++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(V4L2RequestContextHEVC),
++ .frame_params = ff_v4l2_request_frame_params,
++ .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
++};
================================================================
---- gitweb:
http://git.pld-linux.org/gitweb.cgi/packages/ffmpeg.git/commitdiff/0c4c801c4457e43e0dfd21e5f73fe43a8ea32cd6
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