diff options
| author | Anton Khirnov <anton@khirnov.net> | 2016-08-21 17:14:24 +0200 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2016-10-16 20:26:17 +0200 |
| commit | 4abe3b049d987420eb891f74a35af2cebbf52144 (patch) | |
| tree | 56d0c93953cd7003d9f0442787df4ef97c6d9ed3 /libavcodec/hevc.c | |
| parent | 6c31ba226968f12f898120dbb928dab34e03782b (diff) | |
hevc: rename hevc.[ch] to hevcdec.[ch]
This is more consistent with the rest of libav and frees up the hevc.h
name for decoder-independent shared declarations.
Diffstat (limited to 'libavcodec/hevc.c')
| -rw-r--r-- | libavcodec/hevc.c | 3077 |
1 files changed, 0 insertions, 3077 deletions
diff --git a/libavcodec/hevc.c b/libavcodec/hevc.c deleted file mode 100644 index e38d36711e..0000000000 --- a/libavcodec/hevc.c +++ /dev/null @@ -1,3077 +0,0 @@ -/* - * HEVC video decoder - * - * Copyright (C) 2012 - 2013 Guillaume Martres - * Copyright (C) 2012 - 2013 Mickael Raulet - * Copyright (C) 2012 - 2013 Gildas Cocherel - * Copyright (C) 2012 - 2013 Wassim Hamidouche - * - * This file is part of Libav. - * - * Libav 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. - * - * Libav 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 Libav; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "libavutil/attributes.h" -#include "libavutil/common.h" -#include "libavutil/display.h" -#include "libavutil/internal.h" -#include "libavutil/md5.h" -#include "libavutil/opt.h" -#include "libavutil/pixdesc.h" -#include "libavutil/stereo3d.h" - -#include "bswapdsp.h" -#include "bytestream.h" -#include "cabac_functions.h" -#include "golomb.h" -#include "hevc.h" -#include "profiles.h" - -const uint8_t ff_hevc_qpel_extra_before[4] = { 0, 3, 3, 3 }; -const uint8_t ff_hevc_qpel_extra_after[4] = { 0, 4, 4, 4 }; -const uint8_t ff_hevc_qpel_extra[4] = { 0, 7, 7, 7 }; - -static const uint8_t scan_1x1[1] = { 0 }; - -static const uint8_t horiz_scan2x2_x[4] = { 0, 1, 0, 1 }; - -static const uint8_t horiz_scan2x2_y[4] = { 0, 0, 1, 1 }; - -static const uint8_t horiz_scan4x4_x[16] = { - 0, 1, 2, 3, - 0, 1, 2, 3, - 0, 1, 2, 3, - 0, 1, 2, 3, -}; - -static const uint8_t horiz_scan4x4_y[16] = { - 0, 0, 0, 0, - 1, 1, 1, 1, - 2, 2, 2, 2, - 3, 3, 3, 3, -}; - -static const uint8_t horiz_scan8x8_inv[8][8] = { - { 0, 1, 2, 3, 16, 17, 18, 19, }, - { 4, 5, 6, 7, 20, 21, 22, 23, }, - { 8, 9, 10, 11, 24, 25, 26, 27, }, - { 12, 13, 14, 15, 28, 29, 30, 31, }, - { 32, 33, 34, 35, 48, 49, 50, 51, }, - { 36, 37, 38, 39, 52, 53, 54, 55, }, - { 40, 41, 42, 43, 56, 57, 58, 59, }, - { 44, 45, 46, 47, 60, 61, 62, 63, }, -}; - -static const uint8_t diag_scan2x2_x[4] = { 0, 0, 1, 1 }; - -static const uint8_t diag_scan2x2_y[4] = { 0, 1, 0, 1 }; - -static const uint8_t diag_scan2x2_inv[2][2] = { - { 0, 2, }, - { 1, 3, }, -}; - -static const uint8_t diag_scan4x4_inv[4][4] = { - { 0, 2, 5, 9, }, - { 1, 4, 8, 12, }, - { 3, 7, 11, 14, }, - { 6, 10, 13, 15, }, -}; - -static const uint8_t diag_scan8x8_inv[8][8] = { - { 0, 2, 5, 9, 14, 20, 27, 35, }, - { 1, 4, 8, 13, 19, 26, 34, 42, }, - { 3, 7, 12, 18, 25, 33, 41, 48, }, - { 6, 11, 17, 24, 32, 40, 47, 53, }, - { 10, 16, 23, 31, 39, 46, 52, 57, }, - { 15, 22, 30, 38, 45, 51, 56, 60, }, - { 21, 29, 37, 44, 50, 55, 59, 62, }, - { 28, 36, 43, 49, 54, 58, 61, 63, }, -}; - -/** - * NOTE: Each function hls_foo correspond to the function foo in the - * specification (HLS stands for High Level Syntax). - */ - -/** - * Section 5.7 - */ - -/* free everything allocated by pic_arrays_init() */ -static void pic_arrays_free(HEVCContext *s) -{ - av_freep(&s->sao); - av_freep(&s->deblock); - - av_freep(&s->skip_flag); - av_freep(&s->tab_ct_depth); - - av_freep(&s->tab_ipm); - av_freep(&s->cbf_luma); - av_freep(&s->is_pcm); - - av_freep(&s->qp_y_tab); - av_freep(&s->tab_slice_address); - av_freep(&s->filter_slice_edges); - - av_freep(&s->horizontal_bs); - av_freep(&s->vertical_bs); - - av_buffer_pool_uninit(&s->tab_mvf_pool); - av_buffer_pool_uninit(&s->rpl_tab_pool); -} - -/* allocate arrays that depend on frame dimensions */ -static int pic_arrays_init(HEVCContext *s, const HEVCSPS *sps) -{ - int log2_min_cb_size = sps->log2_min_cb_size; - int width = sps->width; - int height = sps->height; - int pic_size_in_ctb = ((width >> log2_min_cb_size) + 1) * - ((height >> log2_min_cb_size) + 1); - int ctb_count = sps->ctb_width * sps->ctb_height; - int min_pu_size = sps->min_pu_width * sps->min_pu_height; - - s->bs_width = width >> 3; - s->bs_height = height >> 3; - - s->sao = av_mallocz_array(ctb_count, sizeof(*s->sao)); - s->deblock = av_mallocz_array(ctb_count, sizeof(*s->deblock)); - if (!s->sao || !s->deblock) - goto fail; - - s->skip_flag = av_malloc(pic_size_in_ctb); - s->tab_ct_depth = av_malloc(sps->min_cb_height * sps->min_cb_width); - if (!s->skip_flag || !s->tab_ct_depth) - goto fail; - - s->cbf_luma = av_malloc(sps->min_tb_width * sps->min_tb_height); - s->tab_ipm = av_mallocz(min_pu_size); - s->is_pcm = av_malloc(min_pu_size); - if (!s->tab_ipm || !s->cbf_luma || !s->is_pcm) - goto fail; - - s->filter_slice_edges = av_malloc(ctb_count); - s->tab_slice_address = av_malloc(pic_size_in_ctb * - sizeof(*s->tab_slice_address)); - s->qp_y_tab = av_malloc(pic_size_in_ctb * - sizeof(*s->qp_y_tab)); - if (!s->qp_y_tab || !s->filter_slice_edges || !s->tab_slice_address) - goto fail; - - s->horizontal_bs = av_mallocz(2 * s->bs_width * (s->bs_height + 1)); - s->vertical_bs = av_mallocz(2 * s->bs_width * (s->bs_height + 1)); - if (!s->horizontal_bs || !s->vertical_bs) - goto fail; - - s->tab_mvf_pool = av_buffer_pool_init(min_pu_size * sizeof(MvField), - av_buffer_alloc); - s->rpl_tab_pool = av_buffer_pool_init(ctb_count * sizeof(RefPicListTab), - av_buffer_allocz); - if (!s->tab_mvf_pool || !s->rpl_tab_pool) - goto fail; - - return 0; - -fail: - pic_arrays_free(s); - return AVERROR(ENOMEM); -} - -static void pred_weight_table(HEVCContext *s, GetBitContext *gb) -{ - int i = 0; - int j = 0; - uint8_t luma_weight_l0_flag[16]; - uint8_t chroma_weight_l0_flag[16]; - uint8_t luma_weight_l1_flag[16]; - uint8_t chroma_weight_l1_flag[16]; - - s->sh.luma_log2_weight_denom = av_clip(get_ue_golomb_long(gb), 0, 7); - if (s->ps.sps->chroma_format_idc != 0) { - int delta = get_se_golomb(gb); - s->sh.chroma_log2_weight_denom = av_clip(s->sh.luma_log2_weight_denom + delta, 0, 7); - } - - for (i = 0; i < s->sh.nb_refs[L0]; i++) { - luma_weight_l0_flag[i] = get_bits1(gb); - if (!luma_weight_l0_flag[i]) { - s->sh.luma_weight_l0[i] = 1 << s->sh.luma_log2_weight_denom; - s->sh.luma_offset_l0[i] = 0; - } - } - if (s->ps.sps->chroma_format_idc != 0) { // FIXME: invert "if" and "for" - for (i = 0; i < s->sh.nb_refs[L0]; i++) - chroma_weight_l0_flag[i] = get_bits1(gb); - } else { - for (i = 0; i < s->sh.nb_refs[L0]; i++) - chroma_weight_l0_flag[i] = 0; - } - for (i = 0; i < s->sh.nb_refs[L0]; i++) { - if (luma_weight_l0_flag[i]) { - int delta_luma_weight_l0 = get_se_golomb(gb); - s->sh.luma_weight_l0[i] = (1 << s->sh.luma_log2_weight_denom) + delta_luma_weight_l0; - s->sh.luma_offset_l0[i] = get_se_golomb(gb); - } - if (chroma_weight_l0_flag[i]) { - for (j = 0; j < 2; j++) { - int delta_chroma_weight_l0 = get_se_golomb(gb); - int delta_chroma_offset_l0 = get_se_golomb(gb); - s->sh.chroma_weight_l0[i][j] = (1 << s->sh.chroma_log2_weight_denom) + delta_chroma_weight_l0; - s->sh.chroma_offset_l0[i][j] = av_clip((delta_chroma_offset_l0 - ((128 * s->sh.chroma_weight_l0[i][j]) - >> s->sh.chroma_log2_weight_denom) + 128), -128, 127); - } - } else { - s->sh.chroma_weight_l0[i][0] = 1 << s->sh.chroma_log2_weight_denom; - s->sh.chroma_offset_l0[i][0] = 0; - s->sh.chroma_weight_l0[i][1] = 1 << s->sh.chroma_log2_weight_denom; - s->sh.chroma_offset_l0[i][1] = 0; - } - } - if (s->sh.slice_type == B_SLICE) { - for (i = 0; i < s->sh.nb_refs[L1]; i++) { - luma_weight_l1_flag[i] = get_bits1(gb); - if (!luma_weight_l1_flag[i]) { - s->sh.luma_weight_l1[i] = 1 << s->sh.luma_log2_weight_denom; - s->sh.luma_offset_l1[i] = 0; - } - } - if (s->ps.sps->chroma_format_idc != 0) { - for (i = 0; i < s->sh.nb_refs[L1]; i++) - chroma_weight_l1_flag[i] = get_bits1(gb); - } else { - for (i = 0; i < s->sh.nb_refs[L1]; i++) - chroma_weight_l1_flag[i] = 0; - } - for (i = 0; i < s->sh.nb_refs[L1]; i++) { - if (luma_weight_l1_flag[i]) { - int delta_luma_weight_l1 = get_se_golomb(gb); - s->sh.luma_weight_l1[i] = (1 << s->sh.luma_log2_weight_denom) + delta_luma_weight_l1; - s->sh.luma_offset_l1[i] = get_se_golomb(gb); - } - if (chroma_weight_l1_flag[i]) { - for (j = 0; j < 2; j++) { - int delta_chroma_weight_l1 = get_se_golomb(gb); - int delta_chroma_offset_l1 = get_se_golomb(gb); - s->sh.chroma_weight_l1[i][j] = (1 << s->sh.chroma_log2_weight_denom) + delta_chroma_weight_l1; - s->sh.chroma_offset_l1[i][j] = av_clip((delta_chroma_offset_l1 - ((128 * s->sh.chroma_weight_l1[i][j]) - >> s->sh.chroma_log2_weight_denom) + 128), -128, 127); - } - } else { - s->sh.chroma_weight_l1[i][0] = 1 << s->sh.chroma_log2_weight_denom; - s->sh.chroma_offset_l1[i][0] = 0; - s->sh.chroma_weight_l1[i][1] = 1 << s->sh.chroma_log2_weight_denom; - s->sh.chroma_offset_l1[i][1] = 0; - } - } - } -} - -static int decode_lt_rps(HEVCContext *s, LongTermRPS *rps, GetBitContext *gb) -{ - const HEVCSPS *sps = s->ps.sps; - int max_poc_lsb = 1 << sps->log2_max_poc_lsb; - int prev_delta_msb = 0; - unsigned int nb_sps = 0, nb_sh; - int i; - - rps->nb_refs = 0; - if (!sps->long_term_ref_pics_present_flag) - return 0; - - if (sps->num_long_term_ref_pics_sps > 0) - nb_sps = get_ue_golomb_long(gb); - nb_sh = get_ue_golomb_long(gb); - - if (nb_sh + nb_sps > FF_ARRAY_ELEMS(rps->poc)) - return AVERROR_INVALIDDATA; - - rps->nb_refs = nb_sh + nb_sps; - - for (i = 0; i < rps->nb_refs; i++) { - uint8_t delta_poc_msb_present; - - if (i < nb_sps) { - uint8_t lt_idx_sps = 0; - - if (sps->num_long_term_ref_pics_sps > 1) - lt_idx_sps = get_bits(gb, av_ceil_log2(sps->num_long_term_ref_pics_sps)); - - rps->poc[i] = sps->lt_ref_pic_poc_lsb_sps[lt_idx_sps]; - rps->used[i] = sps->used_by_curr_pic_lt_sps_flag[lt_idx_sps]; - } else { - rps->poc[i] = get_bits(gb, sps->log2_max_poc_lsb); - rps->used[i] = get_bits1(gb); - } - - delta_poc_msb_present = get_bits1(gb); - if (delta_poc_msb_present) { - int delta = get_ue_golomb_long(gb); - - if (i && i != nb_sps) - delta += prev_delta_msb; - - rps->poc[i] += s->poc - delta * max_poc_lsb - s->sh.pic_order_cnt_lsb; - prev_delta_msb = delta; - } - } - - return 0; -} - -static void export_stream_params(AVCodecContext *avctx, const HEVCParamSets *ps, - const HEVCSPS *sps) -{ - const HEVCVPS *vps = (const HEVCVPS*)ps->vps_list[sps->vps_id]->data; - unsigned int num = 0, den = 0; - - avctx->pix_fmt = sps->pix_fmt; - avctx->coded_width = sps->width; - avctx->coded_height = sps->height; - avctx->width = sps->output_width; - avctx->height = sps->output_height; - avctx->has_b_frames = sps->temporal_layer[sps->max_sub_layers - 1].num_reorder_pics; - avctx->profile = sps->ptl.general_ptl.profile_idc; - avctx->level = sps->ptl.general_ptl.level_idc; - - ff_set_sar(avctx, sps->vui.sar); - - if (sps->vui.video_signal_type_present_flag) - avctx->color_range = sps->vui.video_full_range_flag ? AVCOL_RANGE_JPEG - : AVCOL_RANGE_MPEG; - else - avctx->color_range = AVCOL_RANGE_MPEG; - - if (sps->vui.colour_description_present_flag) { - avctx->color_primaries = sps->vui.colour_primaries; - avctx->color_trc = sps->vui.transfer_characteristic; - avctx->colorspace = sps->vui.matrix_coeffs; - } else { - avctx->color_primaries = AVCOL_PRI_UNSPECIFIED; - avctx->color_trc = AVCOL_TRC_UNSPECIFIED; - avctx->colorspace = AVCOL_SPC_UNSPECIFIED; - } - - if (vps->vps_timing_info_present_flag) { - num = vps->vps_num_units_in_tick; - den = vps->vps_time_scale; - } else if (sps->vui.vui_timing_info_present_flag) { - num = sps->vui.vui_num_units_in_tick; - den = sps->vui.vui_time_scale; - } - - if (num != 0 && den != 0) - av_reduce(&avctx->framerate.den, &avctx->framerate.num, - num, den, 1 << 30); -} - -static int set_sps(HEVCContext *s, const HEVCSPS *sps) -{ - #define HWACCEL_MAX (CONFIG_HEVC_DXVA2_HWACCEL + CONFIG_HEVC_D3D11VA_HWACCEL + CONFIG_HEVC_VDPAU_HWACCEL) - enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmt = pix_fmts; - int ret; - - pic_arrays_free(s); - s->ps.sps = NULL; - s->ps.vps = NULL; - - if (!sps) - return 0; - - ret = pic_arrays_init(s, sps); - if (ret < 0) - goto fail; - - export_stream_params(s->avctx, &s->ps, sps); - - if (sps->pix_fmt == AV_PIX_FMT_YUV420P || sps->pix_fmt == AV_PIX_FMT_YUVJ420P || - sps->pix_fmt == AV_PIX_FMT_YUV420P10) { -#if CONFIG_HEVC_DXVA2_HWACCEL - *fmt++ = AV_PIX_FMT_DXVA2_VLD; -#endif - } - if (sps->pix_fmt == AV_PIX_FMT_YUV420P || sps->pix_fmt == AV_PIX_FMT_YUVJ420P) { -#if CONFIG_HEVC_D3D11VA_HWACCEL - *fmt++ = AV_PIX_FMT_D3D11VA_VLD; -#endif -#if CONFIG_HEVC_VDPAU_HWACCEL - *fmt++ = AV_PIX_FMT_VDPAU; -#endif - } - - *fmt++ = sps->pix_fmt; - *fmt = AV_PIX_FMT_NONE; - - ret = ff_get_format(s->avctx, pix_fmts); - if (ret < 0) - goto fail; - s->avctx->pix_fmt = ret; - - ff_hevc_pred_init(&s->hpc, sps->bit_depth); - ff_hevc_dsp_init (&s->hevcdsp, sps->bit_depth); - ff_videodsp_init (&s->vdsp, sps->bit_depth); - - if (sps->sao_enabled && !s->avctx->hwaccel) { - av_frame_unref(s->tmp_frame); - ret = ff_get_buffer(s->avctx, s->tmp_frame, AV_GET_BUFFER_FLAG_REF); - if (ret < 0) - goto fail; - s->frame = s->tmp_frame; - } - - s->ps.sps = sps; - s->ps.vps = (HEVCVPS*) s->ps.vps_list[s->ps.sps->vps_id]->data; - - return 0; - -fail: - pic_arrays_free(s); - s->ps.sps = NULL; - return ret; -} - -static int hls_slice_header(HEVCContext *s) -{ - GetBitContext *gb = &s->HEVClc.gb; - SliceHeader *sh = &s->sh; - int i, ret; - - // Coded parameters - sh->first_slice_in_pic_flag = get_bits1(gb); - if ((IS_IDR(s) || IS_BLA(s)) && sh->first_slice_in_pic_flag) { - s->seq_decode = (s->seq_decode + 1) & 0xff; - s->max_ra = INT_MAX; - if (IS_IDR(s)) - ff_hevc_clear_refs(s); - } - if (IS_IRAP(s)) - sh->no_output_of_prior_pics_flag = get_bits1(gb); - - sh->pps_id = get_ue_golomb_long(gb); - if (sh->pps_id >= MAX_PPS_COUNT || !s->ps.pps_list[sh->pps_id]) { - av_log(s->avctx, AV_LOG_ERROR, "PPS id out of range: %d\n", sh->pps_id); - return AVERROR_INVALIDDATA; - } - if (!sh->first_slice_in_pic_flag && - s->ps.pps != (HEVCPPS*)s->ps.pps_list[sh->pps_id]->data) { - av_log(s->avctx, AV_LOG_ERROR, "PPS changed between slices.\n"); - return AVERROR_INVALIDDATA; - } - s->ps.pps = (HEVCPPS*)s->ps.pps_list[sh->pps_id]->data; - - if (s->ps.sps != (HEVCSPS*)s->ps.sps_list[s->ps.pps->sps_id]->data) { - s->ps.sps = (HEVCSPS*)s->ps.sps_list[s->ps.pps->sps_id]->data; - - ff_hevc_clear_refs(s); - ret = set_sps(s, s->ps.sps); - if (ret < 0) - return ret; - - s->seq_decode = (s->seq_decode + 1) & 0xff; - s->max_ra = INT_MAX; - } - - sh->dependent_slice_segment_flag = 0; - if (!sh->first_slice_in_pic_flag) { - int slice_address_length; - - if (s->ps.pps->dependent_slice_segments_enabled_flag) - sh->dependent_slice_segment_flag = get_bits1(gb); - - slice_address_length = av_ceil_log2(s->ps.sps->ctb_width * - s->ps.sps->ctb_height); - sh->slice_segment_addr = slice_address_length ? get_bits(gb, slice_address_length) : 0; - if (sh->slice_segment_addr >= s->ps.sps->ctb_width * s->ps.sps->ctb_height) { - av_log(s->avctx, AV_LOG_ERROR, - "Invalid slice segment address: %u.\n", - sh->slice_segment_addr); - return AVERROR_INVALIDDATA; - } - - if (!sh->dependent_slice_segment_flag) { - sh->slice_addr = sh->slice_segment_addr; - s->slice_idx++; - } - } else { - sh->slice_segment_addr = sh->slice_addr = 0; - s->slice_idx = 0; - s->slice_initialized = 0; - } - - if (!sh->dependent_slice_segment_flag) { - s->slice_initialized = 0; - - for (i = 0; i < s->ps.pps->num_extra_slice_header_bits; i++) - skip_bits(gb, 1); // slice_reserved_undetermined_flag[] - - sh->slice_type = get_ue_golomb_long(gb); - if (!(sh->slice_type == I_SLICE || - sh->slice_type == P_SLICE || - sh->slice_type == B_SLICE)) { - av_log(s->avctx, AV_LOG_ERROR, "Unknown slice type: %d.\n", - sh->slice_type); - return AVERROR_INVALIDDATA; - } - if (IS_IRAP(s) && sh->slice_type != I_SLICE) { - av_log(s->avctx, AV_LOG_ERROR, "Inter slices in an IRAP frame.\n"); - return AVERROR_INVALIDDATA; - } - - // when flag is not present, picture is inferred to be output - sh->pic_output_flag = 1; - if (s->ps.pps->output_flag_present_flag) - sh->pic_output_flag = get_bits1(gb); - - if (s->ps.sps->separate_colour_plane_flag) - sh->colour_plane_id = get_bits(gb, 2); - - if (!IS_IDR(s)) { - int poc, pos; - - sh->pic_order_cnt_lsb = get_bits(gb, s->ps.sps->log2_max_poc_lsb); - poc = ff_hevc_compute_poc(s, sh->pic_order_cnt_lsb); - if (!sh->first_slice_in_pic_flag && poc != s->poc) { - av_log(s->avctx, AV_LOG_WARNING, - "Ignoring POC change between slices: %d -> %d\n", s->poc, poc); - if (s->avctx->err_recognition & AV_EF_EXPLODE) - return AVERROR_INVALIDDATA; - poc = s->poc; - } - s->poc = poc; - - sh->short_term_ref_pic_set_sps_flag = get_bits1(gb); - pos = get_bits_left(gb); - if (!sh->short_term_ref_pic_set_sps_flag) { - ret = ff_hevc_decode_short_term_rps(gb, s->avctx, &sh->slice_rps, s->ps.sps, 1); - if (ret < 0) - return ret; - - sh->short_term_rps = &sh->slice_rps; - } else { - int numbits, rps_idx; - - if (!s->ps.sps->nb_st_rps) { - av_log(s->avctx, AV_LOG_ERROR, "No ref lists in the SPS.\n"); - return AVERROR_INVALIDDATA; - } - - numbits = av_ceil_log2(s->ps.sps->nb_st_rps); - rps_idx = numbits > 0 ? get_bits(gb, numbits) : 0; - sh->short_term_rps = &s->ps.sps->st_rps[rps_idx]; - } - sh->short_term_ref_pic_set_size = pos - get_bits_left(gb); - - pos = get_bits_left(gb); - ret = decode_lt_rps(s, &sh->long_term_rps, gb); - if (ret < 0) { - av_log(s->avctx, AV_LOG_WARNING, "Invalid long term RPS.\n"); - if (s->avctx->err_recognition & AV_EF_EXPLODE) - return AVERROR_INVALIDDATA; - } - sh->long_term_ref_pic_set_size = pos - get_bits_left(gb); - - if (s->ps.sps->sps_temporal_mvp_enabled_flag) - sh->slice_temporal_mvp_enabled_flag = get_bits1(gb); - else - sh->slice_temporal_mvp_enabled_flag = 0; - } else { - s->sh.short_term_rps = NULL; - s->poc = 0; - } - - /* 8.3.1 */ - if (s->temporal_id == 0 && - s->nal_unit_type != NAL_TRAIL_N && - s->nal_unit_type != NAL_TSA_N && - s->nal_unit_type != NAL_STSA_N && - s->nal_unit_type != NAL_RADL_N && - s->nal_unit_type != NAL_RADL_R && - s->nal_unit_type != NAL_RASL_N && - s->nal_unit_type != NAL_RASL_R) - s->pocTid0 = s->poc; - - if (s->ps.sps->sao_enabled) { - sh->slice_sample_adaptive_offset_flag[0] = get_bits1(gb); - sh->slice_sample_adaptive_offset_flag[1] = - sh->slice_sample_adaptive_offset_flag[2] = get_bits1(gb); - } else { - sh->slice_sample_adaptive_offset_flag[0] = 0; - sh->slice_sample_adaptive_offset_flag[1] = 0; - sh->slice_sample_adaptive_offset_flag[2] = 0; - } - - sh->nb_refs[L0] = sh->nb_refs[L1] = 0; - if (sh->slice_type == P_SLICE || sh->slice_type == B_SLICE) { - int nb_refs; - - sh->nb_refs[L0] = s->ps.pps->num_ref_idx_l0_default_active; - if (sh->slice_type == B_SLICE) - sh->nb_refs[L1] = s->ps.pps->num_ref_idx_l1_default_active; - - if (get_bits1(gb)) { // num_ref_idx_active_override_flag - sh->nb_refs[L0] = get_ue_golomb_long(gb) + 1; - if (sh->slice_type == B_SLICE) - sh->nb_refs[L1] = get_ue_golomb_long(gb) + 1; - } - if (sh->nb_refs[L0] > MAX_REFS || sh->nb_refs[L1] > MAX_REFS) { - av_log(s->avctx, AV_LOG_ERROR, "Too many refs: %d/%d.\n", - sh->nb_refs[L0], sh->nb_refs[L1]); - return AVERROR_INVALIDDATA; - } - - sh->rpl_modification_flag[0] = 0; - sh->rpl_modification_flag[1] = 0; - nb_refs = ff_hevc_frame_nb_refs(s); - if (!nb_refs) { - av_log(s->avctx, AV_LOG_ERROR, "Zero refs for a frame with P or B slices.\n"); - return AVERROR_INVALIDDATA; - } - - if (s->ps.pps->lists_modification_present_flag && nb_refs > 1) { - sh->rpl_modification_flag[0] = get_bits1(gb); - if (sh->rpl_modification_flag[0]) { - for (i = 0; i < sh->nb_refs[L0]; i++) - sh->list_entry_lx[0][i] = get_bits(gb, av_ceil_log2(nb_refs)); - } - - if (sh->slice_type == B_SLICE) { - sh->rpl_modification_flag[1] = get_bits1(gb); - if (sh->rpl_modification_flag[1] == 1) - for (i = 0; i < sh->nb_refs[L1]; i++) - sh->list_entry_lx[1][i] = get_bits(gb, av_ceil_log2(nb_refs)); - } - } - - if (sh->slice_type == B_SLICE) - sh->mvd_l1_zero_flag = get_bits1(gb); - - if (s->ps.pps->cabac_init_present_flag) - sh->cabac_init_flag = get_bits1(gb); - else - sh->cabac_init_flag = 0; - - sh->collocated_ref_idx = 0; - if (sh->slice_temporal_mvp_enabled_flag) { - sh->collocated_list = L0; - if (sh->slice_type == B_SLICE) - sh->collocated_list = !get_bits1(gb); - - if (sh->nb_refs[sh->collocated_list] > 1) { - sh->collocated_ref_idx = get_ue_golomb_long(gb); - if (sh->collocated_ref_idx >= sh->nb_refs[sh->collocated_list]) { - av_log(s->avctx, AV_LOG_ERROR, - "Invalid collocated_ref_idx: %d.\n", - sh->collocated_ref_idx); - return AVERROR_INVALIDDATA; - } - } - } - - if ((s->ps.pps->weighted_pred_flag && sh->slice_type == P_SLICE) || - (s->ps.pps->weighted_bipred_flag && sh->slice_type == B_SLICE)) { - pred_weight_table(s, gb); - } - - sh->max_num_merge_cand = 5 - get_ue_golomb_long(gb); - if (sh->max_num_merge_cand < 1 || sh->max_num_merge_cand > 5) { - av_log(s->avctx, AV_LOG_ERROR, - "Invalid number of merging MVP candidates: %d.\n", - sh->max_num_merge_cand); - return AVERROR_INVALIDDATA; - } - } - - sh->slice_qp_delta = get_se_golomb(gb); - - if (s->ps.pps->pic_slice_level_chroma_qp_offsets_present_flag) { - sh->slice_cb_qp_offset = get_se_golomb(gb); - sh->slice_cr_qp_offset = get_se_golomb(gb); - } else { - sh->slice_cb_qp_offset = 0; - sh->slice_cr_qp_offset = 0; - } - - if (s->ps.pps->deblocking_filter_control_present_flag) { - int deblocking_filter_override_flag = 0; - - if (s->ps.pps->deblocking_filter_override_enabled_flag) - deblocking_filter_override_flag = get_bits1(gb); - - if (deblocking_filter_override_flag) { - sh->disable_deblocking_filter_flag = get_bits1(gb); - if (!sh->disable_deblocking_filter_flag) { - sh->beta_offset = get_se_golomb(gb) * 2; - sh->tc_offset = get_se_golomb(gb) * 2; - } - } else { - sh->disable_deblocking_filter_flag = s->ps.pps->disable_dbf; - sh->beta_offset = s->ps.pps->beta_offset; - sh->tc_offset = s->ps.pps->tc_offset; - } - } else { - sh->disable_deblocking_filter_flag = 0; - sh->beta_offset = 0; - sh->tc_offset = 0; - } - - if (s->ps.pps->seq_loop_filter_across_slices_enabled_flag && - (sh->slice_sample_adaptive_offset_flag[0] || - sh->slice_sample_adaptive_offset_flag[1] || - !sh->disable_deblocking_filter_flag)) { - sh->slice_loop_filter_across_slices_enabled_flag = get_bits1(gb); - } else { - sh->slice_loop_filter_across_slices_enabled_flag = s->ps.pps->seq_loop_filter_across_slices_enabled_flag; - } - } else if (!s->slice_initialized) { - av_log(s->avctx, AV_LOG_ERROR, "Independent slice segment missing.\n"); - return AVERROR_INVALIDDATA; - } - - sh->num_entry_point_offsets = 0; - if (s->ps.pps->tiles_enabled_flag || s->ps.pps->entropy_coding_sync_enabled_flag) { - sh->num_entry_point_offsets = get_ue_golomb_long(gb); - if (sh->num_entry_point_offsets > 0) { - int offset_len = get_ue_golomb_long(gb) + 1; - - for (i = 0; i < sh->num_entry_point_offsets; i++) - skip_bits(gb, offset_len); - } - } - - if (s->ps.pps->slice_header_extension_present_flag) { - unsigned int length = get_ue_golomb_long(gb); - for (i = 0; i < length; i++) - skip_bits(gb, 8); // slice_header_extension_data_byte - } - - // Inferred parameters - sh->slice_qp = 26 + s->ps.pps->pic_init_qp_minus26 + sh->slice_qp_delta; - if (sh->slice_qp > 51 || - sh->slice_qp < -s->ps.sps->qp_bd_offset) { - av_log(s->avctx, AV_LOG_ERROR, - "The slice_qp %d is outside the valid range " - "[%d, 51].\n", - sh->slice_qp, - -s->ps.sps->qp_bd_offset); - return AVERROR_INVALIDDATA; - } - - sh->slice_ctb_addr_rs = sh->slice_segment_addr; - - if (!s->sh.slice_ctb_addr_rs && s->sh.dependent_slice_segment_flag) { - av_log(s->avctx, AV_LOG_ERROR, "Impossible slice segment.\n"); - return AVERROR_INVALIDDATA; - } - - s->HEVClc.first_qp_group = !s->sh.dependent_slice_segment_flag; - - if (!s->ps.pps->cu_qp_delta_enabled_flag) - s->HEVClc.qp_y = FFUMOD(s->sh.slice_qp + 52 + 2 * s->ps.sps->qp_bd_offset, - 52 + s->ps.sps->qp_bd_offset) - s->ps.sps->qp_bd_offset; - - s->slice_initialized = 1; - - return 0; -} - -#define CTB(tab, x, y) ((tab)[(y) * s->ps.sps->ctb_width + (x)]) - -#define SET_SAO(elem, value) \ -do { \ - if (!sao_merge_up_flag && !sao_merge_left_flag) \ - sao->elem = value; \ - else if (sao_merge_left_flag) \ - sao->elem = CTB(s->sao, rx-1, ry).elem; \ - else if (sao_merge_up_flag) \ - sao->elem = CTB(s->sao, rx, ry-1).elem; \ - else \ - sao->elem = 0; \ -} while (0) - -static void hls_sao_param(HEVCContext *s, int rx, int ry) -{ - HEVCLocalContext *lc = &s->HEVClc; - int sao_merge_left_flag = 0; - int sao_merge_up_flag = 0; - int shift = s->ps.sps->bit_depth - FFMIN(s->ps.sps->bit_depth, 10); - SAOParams *sao = &CTB(s->sao, rx, ry); - int c_idx, i; - - if (s->sh.slice_sample_adaptive_offset_flag[0] || - s->sh.slice_sample_adaptive_offset_flag[1]) { - if (rx > 0) { - if (lc->ctb_left_flag) - sao_merge_left_flag = ff_hevc_sao_merge_flag_decode(s); - } - if (ry > 0 && !sao_merge_left_flag) { - if (lc->ctb_up_flag) - sao_merge_up_flag = ff_hevc_sao_merge_flag_decode(s); - } - } - - for (c_idx = 0; c_idx < 3; c_idx++) { - if (!s->sh.slice_sample_adaptive_offset_flag[c_idx]) { - sao->type_idx[c_idx] = SAO_NOT_APPLIED; - continue; - } - - if (c_idx == 2) { - sao->type_idx[2] = sao->type_idx[1]; - sao->eo_class[2] = sao->eo_class[1]; - } else { - SET_SAO(type_idx[c_idx], ff_hevc_sao_type_idx_decode(s)); - } - - if (sao->type_idx[c_idx] == SAO_NOT_APPLIED) - continue; - - for (i = 0; i < 4; i++) - SET_SAO(offset_abs[c_idx][i], ff_hevc_sao_offset_abs_decode(s)); - - if (sao->type_idx[c_idx] == SAO_BAND) { - for (i = 0; i < 4; i++) { - if (sao->offset_abs[c_idx][i]) { - SET_SAO(offset_sign[c_idx][i], - ff_hevc_sao_offset_sign_decode(s)); - } else { - sao->offset_sign[c_idx][i] = 0; - } - } - SET_SAO(band_position[c_idx], ff_hevc_sao_band_position_decode(s)); - } else if (c_idx != 2) { - SET_SAO(eo_class[c_idx], ff_hevc_sao_eo_class_decode(s)); - } - - // Inferred parameters - sao->offset_val[c_idx][0] = 0; - for (i = 0; i < 4; i++) { - sao->offset_val[c_idx][i + 1] = sao->offset_abs[c_idx][i] << shift; - if (sao->type_idx[c_idx] == SAO_EDGE) { - if (i > 1) - sao->offset_val[c_idx][i + 1] = -sao->offset_val[c_idx][i + 1]; - } else if (sao->offset_sign[c_idx][i]) { - sao->offset_val[c_idx][i + 1] = -sao->offset_val[c_idx][i + 1]; - } - } - } -} - -#undef SET_SAO -#undef CTB - -static void hls_residual_coding(HEVCContext *s, int x0, int y0, - int log2_trafo_size, enum ScanType scan_idx, - int c_idx) -{ -#define GET_COORD(offset, n) \ - do { \ - x_c = (scan_x_cg[offset >> 4] << 2) + scan_x_off[n]; \ - y_c = (scan_y_cg[offset >> 4] << 2) + scan_y_off[n]; \ - } while (0) - HEVCLocalContext *lc = &s->HEVClc; - int transform_skip_flag = 0; - - int last_significant_coeff_x, last_significant_coeff_y; - int last_scan_pos; - int n_end; - int num_coeff = 0; - int greater1_ctx = 1; - - int num_last_subset; - int x_cg_last_sig, y_cg_last_sig; - - const uint8_t *scan_x_cg, *scan_y_cg, *scan_x_off, *scan_y_off; - - ptrdiff_t stride = s->frame->linesize[c_idx]; - int hshift = s->ps.sps->hshift[c_idx]; - int vshift = s->ps.sps->vshift[c_idx]; - uint8_t *dst = &s->frame->data[c_idx][(y0 >> vshift) * stride + - ((x0 >> hshift) << s->ps.sps->pixel_shift)]; - DECLARE_ALIGNED(32, int16_t, coeffs[MAX_TB_SIZE * MAX_TB_SIZE]) = { 0 }; - DECLARE_ALIGNED(8, uint8_t, significant_coeff_group_flag[8][8]) = { { 0 } }; - - int trafo_size = 1 << log2_trafo_size; - int i, qp, shift, add, scale, scale_m; - static const uint8_t level_scale[] = { 40, 45, 51, 57, 64, 72 }; - const uint8_t *scale_matrix; - uint8_t dc_scale; - - // Derive QP for dequant - if (!lc->cu.cu_transquant_bypass_flag) { - static const int qp_c[] = { - 29, 30, 31, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37, 37 - }; - - static const uint8_t rem6[51 + 2 * 6 + 1] = { - 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, - 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, - 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, - }; - - static const uint8_t div6[51 + 2 * 6 + 1] = { - 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, - 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, - 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, - }; - int qp_y = lc->qp_y; - - if (c_idx == 0) { - qp = qp_y + s->ps.sps->qp_bd_offset; - } else { - int qp_i, offset; - - if (c_idx == 1) - offset = s->ps.pps->cb_qp_offset + s->sh.slice_cb_qp_offset; - else - offset = s->ps.pps->cr_qp_offset + s->sh.slice_cr_qp_offset; - - qp_i = av_clip(qp_y + offset, -s->ps.sps->qp_bd_offset, 57); - if (qp_i < 30) - qp = qp_i; - else if (qp_i > 43) - qp = qp_i - 6; - else - qp = qp_c[qp_i - 30]; - - qp += s->ps.sps->qp_bd_offset; - } - - shift = s->ps.sps->bit_depth + log2_trafo_size - 5; - add = 1 << (shift - 1); - scale = level_scale[rem6[qp]] << (div6[qp]); - scale_m = 16; // default when no custom scaling lists. - dc_scale = 16; - - if (s->ps.sps->scaling_list_enable_flag) { - const ScalingList *sl = s->ps.pps->scaling_list_data_present_flag ? - &s->ps.pps->scaling_list : &s->ps.sps->scaling_list; - int matrix_id = lc->cu.pred_mode != MODE_INTRA; - - if (log2_trafo_size != 5) - matrix_id = 3 * matrix_id + c_idx; - - scale_matrix = sl->sl[log2_trafo_size - 2][matrix_id]; - if (log2_trafo_size >= 4) - dc_scale = sl->sl_dc[log2_trafo_size - 4][matrix_id]; - } - } - - if (s->ps.pps->transform_skip_enabled_flag && - !lc->cu.cu_transquant_bypass_flag && - log2_trafo_size == 2) { - transform_skip_flag = ff_hevc_transform_skip_flag_decode(s, c_idx); - } - - last_significant_coeff_x = - ff_hevc_last_significant_coeff_x_prefix_decode(s, c_idx, log2_trafo_size); - last_significant_coeff_y = - ff_hevc_last_significant_coeff_y_prefix_decode(s, c_idx, log2_trafo_size); - - if (last_significant_coeff_x > 3) { - int suffix = ff_hevc_last_significant_coeff_suffix_decode(s, last_significant_coeff_x); - last_significant_coeff_x = (1 << ((last_significant_coeff_x >> 1) - 1)) * - (2 + (last_significant_coeff_x & 1)) + - suffix; - } - - if (last_significant_coeff_y > 3) { - int suffix = ff_hevc_last_significant_coeff_suffix_decode(s, last_significant_coeff_y); - last_significant_coeff_y = (1 << ((last_significant_coeff_y >> 1) - 1)) * - (2 + (last_significant_coeff_y & 1)) + - suffix; - } - - if (scan_idx == SCAN_VERT) - FFSWAP(int, last_significant_coeff_x, last_significant_coeff_y); - - x_cg_last_sig = last_significant_coeff_x >> 2; - y_cg_last_sig = last_significant_coeff_y >> 2; - - switch (scan_idx) { - case SCAN_DIAG: { - int last_x_c = last_significant_coeff_x & 3; - int last_y_c = last_significant_coeff_y & 3; - - scan_x_off = ff_hevc_diag_scan4x4_x; - scan_y_off = ff_hevc_diag_scan4x4_y; - num_coeff = diag_scan4x4_inv[last_y_c][last_x_c]; - if (trafo_size == 4) { - scan_x_cg = scan_1x1; - scan_y_cg = scan_1x1; - } else if (trafo_size == 8) { - num_coeff += diag_scan2x2_inv[y_cg_last_sig][x_cg_last_sig] << 4; - scan_x_cg = diag_scan2x2_x; - scan_y_cg = diag_scan2x2_y; - } else if (trafo_size == 16) { - num_coeff += diag_scan4x4_inv[y_cg_last_sig][x_cg_last_sig] << 4; - scan_x_cg = ff_hevc_diag_scan4x4_x; - scan_y_cg = ff_hevc_diag_scan4x4_y; - } else { // trafo_size == 32 - num_coeff += diag_scan8x8_inv[y_cg_last_sig][x_cg_last_sig] << 4; - scan_x_cg = ff_hevc_diag_scan8x8_x; - scan_y_cg = ff_hevc_diag_scan8x8_y; - } - break; - } - case SCAN_HORIZ: - scan_x_cg = horiz_scan2x2_x; - scan_y_cg = horiz_scan2x2_y; - scan_x_off = horiz_scan4x4_x; - scan_y_off = horiz_scan4x4_y; - num_coeff = horiz_scan8x8_inv[last_significant_coeff_y][last_significant_coeff_x]; - break; - default: //SCAN_VERT - scan_x_cg = horiz_scan2x2_y; - scan_y_cg = horiz_scan2x2_x; - scan_x_off = horiz_scan4x4_y; - scan_y_off = horiz_scan4x4_x; - num_coeff = horiz_scan8x8_inv[last_significant_coeff_x][last_significant_coeff_y]; - break; - } - num_coeff++; - num_last_subset = (num_coeff - 1) >> 4; - - for (i = num_last_subset; i >= 0; i--) { - int n, m; - int x_cg, y_cg, x_c, y_c; - int implicit_non_zero_coeff = 0; - int64_t trans_coeff_level; - int prev_sig = 0; - int offset = i << 4; - - uint8_t significant_coeff_flag_idx[16]; - uint8_t nb_significant_coeff_flag = 0; - - x_cg = scan_x_cg[i]; - y_cg = scan_y_cg[i]; - - if (i < num_last_subset && i > 0) { - int ctx_cg = 0; - if (x_cg < (1 << (log2_trafo_size - 2)) - 1) - ctx_cg += significant_coeff_group_flag[x_cg + 1][y_cg]; - if (y_cg < (1 << (log2_trafo_size - 2)) - 1) - ctx_cg += significant_coeff_group_flag[x_cg][y_cg + 1]; - - significant_coeff_group_flag[x_cg][y_cg] = - ff_hevc_significant_coeff_group_flag_decode(s, c_idx, ctx_cg); - implicit_non_zero_coeff = 1; - } else { - significant_coeff_group_flag[x_cg][y_cg] = - ((x_cg == x_cg_last_sig && y_cg == y_cg_last_sig) || - (x_cg == 0 && y_cg == 0)); - } - - last_scan_pos = num_coeff - offset - 1; - - if (i == num_last_subset) { - n_end = last_scan_pos - 1; - significant_coeff_flag_idx[0] = last_scan_pos; - nb_significant_coeff_flag = 1; - } else { - n_end = 15; - } - - if (x_cg < ((1 << log2_trafo_size) - 1) >> 2) - prev_sig = significant_coeff_group_flag[x_cg + 1][y_cg]; - if (y_cg < ((1 << log2_trafo_size) - 1) >> 2) - prev_sig += significant_coeff_group_flag[x_cg][y_cg + 1] << 1; - - for (n = n_end; n >= 0; n--) { - GET_COORD(offset, n); - - if (significant_coeff_group_flag[x_cg][y_cg] && - (n > 0 || implicit_non_zero_coeff == 0)) { - if (ff_hevc_significant_coeff_flag_decode(s, c_idx, x_c, y_c, - log2_trafo_size, - scan_idx, - prev_sig) == 1) { - significant_coeff_flag_idx[nb_significant_coeff_flag] = n; - nb_significant_coeff_flag++; - implicit_non_zero_coeff = 0; - } - } else { - int last_cg = (x_c == (x_cg << 2) && y_c == (y_cg << 2)); - if (last_cg && implicit_non_zero_coeff && significant_coeff_group_flag[x_cg][y_cg]) { - significant_coeff_flag_idx[nb_significant_coeff_flag] = n; - nb_significant_coeff_flag++; - } - } - } - - n_end = nb_significant_coeff_flag; - - if (n_end) { - int first_nz_pos_in_cg = 16; - int last_nz_pos_in_cg = -1; - int c_rice_param = 0; - int first_greater1_coeff_idx = -1; - uint8_t coeff_abs_level_greater1_flag[16] = { 0 }; - uint16_t coeff_sign_flag; - int sum_abs = 0; - int sign_hidden = 0; - - // initialize first elem of coeff_bas_level_greater1_flag - int ctx_set = (i > 0 && c_idx == 0) ? 2 : 0; - - if (!(i == num_last_subset) && greater1_ctx == 0) - ctx_set++; - greater1_ctx = 1; - last_nz_pos_in_cg = significant_coeff_flag_idx[0]; - - for (m = 0; m < (n_end > 8 ? 8 : n_end); m++) { - int n_idx = significant_coeff_flag_idx[m]; - int inc = (ctx_set << 2) + greater1_ctx; - coeff_abs_level_greater1_flag[n_idx] = - ff_hevc_coeff_abs_level_greater1_flag_decode(s, c_idx, inc); - if (coeff_abs_level_greater1_flag[n_idx]) { - greater1_ctx = 0; - } else if (greater1_ctx > 0 && greater1_ctx < 3) { - greater1_ctx++; - } - - if (coeff_abs_level_greater1_flag[n_idx] && - first_greater1_coeff_idx == -1) - first_greater1_coeff_idx = n_idx; - } - first_nz_pos_in_cg = significant_coeff_flag_idx[n_end - 1]; - sign_hidden = last_nz_pos_in_cg - first_nz_pos_in_cg >= 4 && - !lc->cu.cu_transquant_bypass_flag; - - if (first_greater1_coeff_idx != -1) { - coeff_abs_level_greater1_flag[first_greater1_coeff_idx] += ff_hevc_coeff_abs_level_greater2_flag_decode(s, c_idx, ctx_set); - } - if (!s->ps.pps->sign_data_hiding_flag || !sign_hidden) { - coeff_sign_flag = ff_hevc_coeff_sign_flag(s, nb_significant_coeff_flag) << (16 - nb_significant_coeff_flag); - } else { - coeff_sign_flag = ff_hevc_coeff_sign_flag(s, nb_significant_coeff_flag - 1) << (16 - (nb_significant_coeff_flag - 1)); - } - - for (m = 0; m < n_end; m++) { - n = significant_coeff_flag_idx[m]; - GET_COORD(offset, n); - trans_coeff_level = 1 + coeff_abs_level_greater1_flag[n]; - if (trans_coeff_level == ((m < 8) ? - ((n == first_greater1_coeff_idx) ? 3 : 2) : 1)) { - int last_coeff_abs_level_remaining = ff_hevc_coeff_abs_level_remaining(s, trans_coeff_level, c_rice_param); - - trans_coeff_level += last_coeff_abs_level_remaining; - if ((trans_coeff_level) > (3 * (1 << c_rice_param))) - c_rice_param = FFMIN(c_rice_param + 1, 4); - } - if (s->ps.pps->sign_data_hiding_flag && sign_hidden) { - sum_abs += trans_coeff_level; - if (n == first_nz_pos_in_cg && ((sum_abs & 1) == 1)) - trans_coeff_level = -trans_coeff_level; - } - if (coeff_sign_flag >> 15) - trans_coeff_level = -trans_coeff_level; - coeff_sign_flag <<= 1; - if (!lc->cu.cu_transquant_bypass_flag) { - if (s->ps.sps->scaling_list_enable_flag) { - if (y_c || x_c || log2_trafo_size < 4) { - int pos; - switch (log2_trafo_size) { - case 3: pos = (y_c << 3) + x_c; break; - case 4: pos = ((y_c >> 1) << 3) + (x_c >> 1); break; - case 5: pos = ((y_c >> 2) << 3) + (x_c >> 2); break; - default: pos = (y_c << 2) + x_c; - } - scale_m = scale_matrix[pos]; - } else { - scale_m = dc_scale; - } - } - trans_coeff_level = (trans_coeff_level * (int64_t)scale * (int64_t)scale_m + add) >> shift; - if(trans_coeff_level < 0) { - if((~trans_coeff_level) & 0xFffffffffff8000) - trans_coeff_level = -32768; - } else { - if (trans_coeff_level & 0xffffffffffff8000) - trans_coeff_level = 32767; - } - } - coeffs[y_c * trafo_size + x_c] = trans_coeff_level; - } - } - } - - if (!lc->cu.cu_transquant_bypass_flag) { - if (transform_skip_flag) - s->hevcdsp.dequant(coeffs); - else if (lc->cu.pred_mode == MODE_INTRA && c_idx == 0 && - log2_trafo_size == 2) - s->hevcdsp.transform_4x4_luma(coeffs); - else { - int max_xy = FFMAX(last_significant_coeff_x, last_significant_coeff_y); - if (max_xy == 0) - s->hevcdsp.idct_dc[log2_trafo_size - 2](coeffs); - else { - int col_limit = last_significant_coeff_x + last_significant_coeff_y + 4; - if (max_xy < 4) - col_limit = FFMIN(4, col_limit); - else if (max_xy < 8) - col_limit = FFMIN(8, col_limit); - else if (max_xy < 12) - col_limit = FFMIN(24, col_limit); - s->hevcdsp.idct[log2_trafo_size - 2](coeffs, col_limit); - } - } - } - s->hevcdsp.add_residual[log2_trafo_size - 2](dst, coeffs, stride); -} - -static int hls_transform_unit(HEVCContext *s, int x0, int y0, - int xBase, int yBase, int cb_xBase, int cb_yBase, - int log2_cb_size, int log2_trafo_size, - int blk_idx, int cbf_luma, int cbf_cb, int cbf_cr) -{ - HEVCLocalContext *lc = &s->HEVClc; - - if (lc->cu.pred_mode == MODE_INTRA) { - int trafo_size = 1 << log2_trafo_size; - ff_hevc_set_neighbour_available(s, x0, y0, trafo_size, trafo_size); - - s->hpc.intra_pred[log2_trafo_size - 2](s, x0, y0, 0); - if (log2_trafo_size > 2) { - trafo_size = trafo_size << (s->ps.sps->hshift[1] - 1); - ff_hevc_set_neighbour_available(s, x0, y0, trafo_size, trafo_size); - s->hpc.intra_pred[log2_trafo_size - 3](s, x0, y0, 1); - s->hpc.intra_pred[log2_trafo_size - 3](s, x0, y0, 2); - } else if (blk_idx == 3) { - trafo_size = trafo_size << s->ps.sps->hshift[1]; - ff_hevc_set_neighbour_available(s, xBase, yBase, - trafo_size, trafo_size); - s->hpc.intra_pred[log2_trafo_size - 2](s, xBase, yBase, 1); - s->hpc.intra_pred[log2_trafo_size - 2](s, xBase, yBase, 2); - } - } - - if (cbf_luma || cbf_cb || cbf_cr) { - int scan_idx = SCAN_DIAG; - int scan_idx_c = SCAN_DIAG; - - if (s->ps.pps->cu_qp_delta_enabled_flag && !lc->tu.is_cu_qp_delta_coded) { - lc->tu.cu_qp_delta = ff_hevc_cu_qp_delta_abs(s); - if (lc->tu.cu_qp_delta != 0) - if (ff_hevc_cu_qp_delta_sign_flag(s) == 1) - lc->tu.cu_qp_delta = -lc->tu.cu_qp_delta; - lc->tu.is_cu_qp_delta_coded = 1; - - if (lc->tu.cu_qp_delta < -(26 + s->ps.sps->qp_bd_offset / 2) || - lc->tu.cu_qp_delta > (25 + s->ps.sps->qp_bd_offset / 2)) { - av_log(s->avctx, AV_LOG_ERROR, - "The cu_qp_delta %d is outside the valid range " - "[%d, %d].\n", - lc->tu.cu_qp_delta, - -(26 + s->ps.sps->qp_bd_offset / 2), - (25 + s->ps.sps->qp_bd_offset / 2)); - return AVERROR_INVALIDDATA; - } - - ff_hevc_set_qPy(s, x0, y0, cb_xBase, cb_yBase, log2_cb_size); - } - - if (lc->cu.pred_mode == MODE_INTRA && log2_trafo_size < 4) { - if (lc->tu.cur_intra_pred_mode >= 6 && - lc->tu.cur_intra_pred_mode <= 14) { - scan_idx = SCAN_VERT; - } else if (lc->tu.cur_intra_pred_mode >= 22 && - lc->tu.cur_intra_pred_mode <= 30) { - scan_idx = SCAN_HORIZ; - } - - if (lc->pu.intra_pred_mode_c >= 6 && - lc->pu.intra_pred_mode_c <= 14) { - scan_idx_c = SCAN_VERT; - } else if (lc->pu.intra_pred_mode_c >= 22 && - lc->pu.intra_pred_mode_c <= 30) { - scan_idx_c = SCAN_HORIZ; - } - } - - if (cbf_luma) - hls_residual_coding(s, x0, y0, log2_trafo_size, scan_idx, 0); - if (log2_trafo_size > 2) { - if (cbf_cb) - hls_residual_coding(s, x0, y0, log2_trafo_size - 1, scan_idx_c, 1); - if (cbf_cr) - hls_residual_coding(s, x0, y0, log2_trafo_size - 1, scan_idx_c, 2); - } else if (blk_idx == 3) { - if (cbf_cb) - hls_residual_coding(s, xBase, yBase, log2_trafo_size, scan_idx_c, 1); - if (cbf_cr) - hls_residual_coding(s, xBase, yBase, log2_trafo_size, scan_idx_c, 2); - } - } - return 0; -} - -static void set_deblocking_bypass(HEVCContext *s, int x0, int y0, int log2_cb_size) -{ - int cb_size = 1 << log2_cb_size; - int log2_min_pu_size = s->ps.sps->log2_min_pu_size; - - int min_pu_width = s->ps.sps->min_pu_width; - int x_end = FFMIN(x0 + cb_size, s->ps.sps->width); - int y_end = FFMIN(y0 + cb_size, s->ps.sps->height); - int i, j; - - for (j = (y0 >> log2_min_pu_size); j < (y_end >> log2_min_pu_size); j++) - for (i = (x0 >> log2_min_pu_size); i < (x_end >> log2_min_pu_size); i++) - s->is_pcm[i + j * min_pu_width] = 2; -} - -static int hls_transform_tree(HEVCContext *s, int x0, int y0, - int xBase, int yBase, int cb_xBase, int cb_yBase, - int log2_cb_size, int log2_trafo_size, - int trafo_depth, int blk_idx, - int cbf_cb, int cbf_cr) -{ - HEVCLocalContext *lc = &s->HEVClc; - uint8_t split_transform_flag; - int ret; - - if (lc->cu.intra_split_flag) { - if (trafo_depth == 1) - lc->tu.cur_intra_pred_mode = lc->pu.intra_pred_mode[blk_idx]; - } else { - lc->tu.cur_intra_pred_mode = lc->pu.intra_pred_mode[0]; - } - - if (log2_trafo_size <= s->ps.sps->log2_max_trafo_size && - log2_trafo_size > s->ps.sps->log2_min_tb_size && - trafo_depth < lc->cu.max_trafo_depth && - !(lc->cu.intra_split_flag && trafo_depth == 0)) { - split_transform_flag = ff_hevc_split_transform_flag_decode(s, log2_trafo_size); - } else { - int inter_split = s->ps.sps->max_transform_hierarchy_depth_inter == 0 && - lc->cu.pred_mode == MODE_INTER && - lc->cu.part_mode != PART_2Nx2N && - trafo_depth == 0; - - split_transform_flag = log2_trafo_size > s->ps.sps->log2_max_trafo_size || - (lc->cu.intra_split_flag && trafo_depth == 0) || - inter_split; - } - - if (log2_trafo_size > 2 && (trafo_depth == 0 || cbf_cb)) - cbf_cb = ff_hevc_cbf_cb_cr_decode(s, trafo_depth); - else if (log2_trafo_size > 2 || trafo_depth == 0) - cbf_cb = 0; - if (log2_trafo_size > 2 && (trafo_depth == 0 || cbf_cr)) - cbf_cr = ff_hevc_cbf_cb_cr_decode(s, trafo_depth); - else if (log2_trafo_size > 2 || trafo_depth == 0) - cbf_cr = 0; - - if (split_transform_flag) { - const int trafo_size_split = 1 << (log2_trafo_size - 1); - const int x1 = x0 + trafo_size_split; - const int y1 = y0 + trafo_size_split; - -#define SUBDIVIDE(x, y, idx) \ -do { \ - ret = hls_transform_tree(s, x, y, x0, y0, cb_xBase, cb_yBase, log2_cb_size, \ - log2_trafo_size - 1, trafo_depth + 1, idx, \ - cbf_cb, cbf_cr); \ - if (ret < 0) \ - return ret; \ -} while (0) - - SUBDIVIDE(x0, y0, 0); - SUBDIVIDE(x1, y0, 1); - SUBDIVIDE(x0, y1, 2); - SUBDIVIDE(x1, y1, 3); - -#undef SUBDIVIDE - } else { - int min_tu_size = 1 << s->ps.sps->log2_min_tb_size; - int log2_min_tu_size = s->ps.sps->log2_min_tb_size; - int min_tu_width = s->ps.sps->min_tb_width; - int cbf_luma = 1; - - if (lc->cu.pred_mode == MODE_INTRA || trafo_depth != 0 || - cbf_cb || cbf_cr) - cbf_luma = ff_hevc_cbf_luma_decode(s, trafo_depth); - - ret = hls_transform_unit(s, x0, y0, xBase, yBase, cb_xBase, cb_yBase, - log2_cb_size, log2_trafo_size, - blk_idx, cbf_luma, cbf_cb, cbf_cr); - if (ret < 0) - return ret; - // TODO: store cbf_luma somewhere else - if (cbf_luma) { - int i, j; - for (i = 0; i < (1 << log2_trafo_size); i += min_tu_size) - for (j = 0; j < (1 << log2_trafo_size); j += min_tu_size) { - int x_tu = (x0 + j) >> log2_min_tu_size; - int y_tu = (y0 + i) >> log2_min_tu_size; - s->cbf_luma[y_tu * min_tu_width + x_tu] = 1; - } - } - if (!s->sh.disable_deblocking_filter_flag) { - ff_hevc_deblocking_boundary_strengths(s, x0, y0, log2_trafo_size); - if (s->ps.pps->transquant_bypass_enable_flag && - lc->cu.cu_transquant_bypass_flag) - set_deblocking_bypass(s, x0, y0, log2_trafo_size); - } - } - return 0; -} - -static int hls_pcm_sample(HEVCContext *s, int x0, int y0, int log2_cb_size) -{ - //TODO: non-4:2:0 support - HEVCLocalContext *lc = &s->HEVClc; - GetBitContext gb; - int cb_size = 1 << log2_cb_size; - ptrdiff_t stride0 = s->frame->linesize[0]; - ptrdiff_t stride1 = s->frame->linesize[1]; - ptrdiff_t stride2 = s->frame->linesize[2]; - uint8_t *dst0 = &s->frame->data[0][y0 * stride0 + (x0 << s->ps.sps->pixel_shift)]; - uint8_t *dst1 = &s->frame->data[1][(y0 >> s->ps.sps->vshift[1]) * stride1 + ((x0 >> s->ps.sps->hshift[1]) << s->ps.sps->pixel_shift)]; - uint8_t *dst2 = &s->frame->data[2][(y0 >> s->ps.sps->vshift[2]) * stride2 + ((x0 >> s->ps.sps->hshift[2]) << s->ps.sps->pixel_shift)]; - - int length = cb_size * cb_size * s->ps.sps->pcm.bit_depth + ((cb_size * cb_size) >> 1) * s->ps.sps->pcm.bit_depth_chroma; - const uint8_t *pcm = skip_bytes(&lc->cc, (length + 7) >> 3); - int ret; - - if (!s->sh.disable_deblocking_filter_flag) - ff_hevc_deblocking_boundary_strengths(s, x0, y0, log2_cb_size); - - ret = init_get_bits(&gb, pcm, length); - if (ret < 0) - return ret; - - s->hevcdsp.put_pcm(dst0, stride0, cb_size, &gb, s->ps.sps->pcm.bit_depth); - s->hevcdsp.put_pcm(dst1, stride1, cb_size / 2, &gb, s->ps.sps->pcm.bit_depth_chroma); - s->hevcdsp.put_pcm(dst2, stride2, cb_size / 2, &gb, s->ps.sps->pcm.bit_depth_chroma); - return 0; -} - -static void hls_mvd_coding(HEVCContext *s, int x0, int y0, int log2_cb_size) -{ - HEVCLocalContext *lc = &s->HEVClc; - int x = ff_hevc_abs_mvd_greater0_flag_decode(s); - int y = ff_hevc_abs_mvd_greater0_flag_decode(s); - - if (x) - x += ff_hevc_abs_mvd_greater1_flag_decode(s); - if (y) - y += ff_hevc_abs_mvd_greater1_flag_decode(s); - - switch (x) { - case 2: lc->pu.mvd.x = ff_hevc_mvd_decode(s); break; - case 1: lc->pu.mvd.x = ff_hevc_mvd_sign_flag_decode(s); break; - case 0: lc->pu.mvd.x = 0; break; - } - - switch (y) { - case 2: lc->pu.mvd.y = ff_hevc_mvd_decode(s); break; - case 1: lc->pu.mvd.y = ff_hevc_mvd_sign_flag_decode(s); break; - case 0: lc->pu.mvd.y = 0; break; - } -} - -/** - * 8.5.3.2.2.1 Luma sample interpolation process - * - * @param s HEVC decoding context - * @param dst target buffer for block data at block position - * @param dststride stride of the dst buffer - * @param ref reference picture buffer at origin (0, 0) - * @param mv motion vector (relative to block position) to get pixel data from - * @param x_off horizontal position of block from origin (0, 0) - * @param y_off vertical position of block from origin (0, 0) - * @param block_w width of block - * @param block_h height of block - */ -static void luma_mc(HEVCContext *s, int16_t *dst, ptrdiff_t dststride, - AVFrame *ref, const Mv *mv, int x_off, int y_off, - int block_w, int block_h, int pred_idx) -{ - HEVCLocalContext *lc = &s->HEVClc; - uint8_t *src = ref->data[0]; - ptrdiff_t srcstride = ref->linesize[0]; - int pic_width = s->ps.sps->width; - int pic_height = s->ps.sps->height; - - int mx = mv->x & 3; - int my = mv->y & 3; - int extra_left = ff_hevc_qpel_extra_before[mx]; - int extra_top = ff_hevc_qpel_extra_before[my]; - - x_off += mv->x >> 2; - y_off += mv->y >> 2; - src += y_off * srcstride + (x_off * (1 << s->ps.sps->pixel_shift)); - - if (x_off < extra_left || y_off < extra_top || - x_off >= pic_width - block_w - ff_hevc_qpel_extra_after[mx] || - y_off >= pic_height - block_h - ff_hevc_qpel_extra_after[my]) { - const ptrdiff_t edge_emu_stride = EDGE_EMU_BUFFER_STRIDE << s->ps.sps->pixel_shift; - int offset = extra_top * srcstride + (extra_left << s->ps.sps->pixel_shift); - int buf_offset = extra_top * - edge_emu_stride + (extra_left << s->ps.sps->pixel_shift); - - s->vdsp.emulated_edge_mc(lc->edge_emu_buffer, src - offset, - edge_emu_stride, srcstride, - block_w + ff_hevc_qpel_extra[mx], - block_h + ff_hevc_qpel_extra[my], - x_off - extra_left, y_off - extra_top, - pic_width, pic_height); - src = lc->edge_emu_buffer + buf_offset; - srcstride = edge_emu_stride; - } - s->hevcdsp.put_hevc_qpel[!!my][!!mx][pred_idx](dst, dststride, src, srcstride, - block_h, mx, my, lc->mc_buffer); -} - -/** - * 8.5.3.2.2.2 Chroma sample interpolation process - * - * @param s HEVC decoding context - * @param dst1 target buffer for block data at block position (U plane) - * @param dst2 target buffer for block data at block position (V plane) - * @param dststride stride of the dst1 and dst2 buffers - * @param ref reference picture buffer at origin (0, 0) - * @param mv motion vector (relative to block position) to get pixel data from - * @param x_off horizontal position of block from origin (0, 0) - * @param y_off vertical position of block from origin (0, 0) - * @param block_w width of block - * @param block_h height of block - */ -static void chroma_mc(HEVCContext *s, int16_t *dst1, int16_t *dst2, - ptrdiff_t dststride, AVFrame *ref, const Mv *mv, - int x_off, int y_off, int block_w, int block_h, int pred_idx) -{ - HEVCLocalContext *lc = &s->HEVClc; - uint8_t *src1 = ref->data[1]; - uint8_t *src2 = ref->data[2]; - ptrdiff_t src1stride = ref->linesize[1]; - ptrdiff_t src2stride = ref->linesize[2]; - int pic_width = s->ps.sps->width >> 1; - int pic_height = s->ps.sps->height >> 1; - - int mx = mv->x & 7; - int my = mv->y & 7; - - x_off += mv->x >> 3; - y_off += mv->y >> 3; - src1 += y_off * src1stride + (x_off * (1 << s->ps.sps->pixel_shift)); - src2 += y_off * src2stride + (x_off * (1 << s->ps.sps->pixel_shift)); - - if (x_off < EPEL_EXTRA_BEFORE || y_off < EPEL_EXTRA_AFTER || - x_off >= pic_width - block_w - EPEL_EXTRA_AFTER || - y_off >= pic_height - block_h - EPEL_EXTRA_AFTER) { - const ptrdiff_t edge_emu_stride = EDGE_EMU_BUFFER_STRIDE << s->ps.sps->pixel_shift; - int offset1 = EPEL_EXTRA_BEFORE * (src1stride + (1 << s->ps.sps->pixel_shift)); - int buf_offset1 = EPEL_EXTRA_BEFORE * - (edge_emu_stride + (1 << s->ps.sps->pixel_shift)); - int offset2 = EPEL_EXTRA_BEFORE * (src2stride + (1 << s->ps.sps->pixel_shift)); - int buf_offset2 = EPEL_EXTRA_BEFORE * - (edge_emu_stride + (1 << s->ps.sps->pixel_shift)); - - s->vdsp.emulated_edge_mc(lc->edge_emu_buffer, src1 - offset1, - edge_emu_stride, src1stride, - block_w + EPEL_EXTRA, block_h + EPEL_EXTRA, - x_off - EPEL_EXTRA_BEFORE, - y_off - EPEL_EXTRA_BEFORE, - pic_width, pic_height); - - src1 = lc->edge_emu_buffer + buf_offset1; - src1stride = edge_emu_stride; - s->hevcdsp.put_hevc_epel[!!my][!!mx][pred_idx](dst1, dststride, src1, src1stride, - block_h, mx, my, lc->mc_buffer); - - s->vdsp.emulated_edge_mc(lc->edge_emu_buffer, src2 - offset2, - edge_emu_stride, src2stride, - block_w + EPEL_EXTRA, block_h + EPEL_EXTRA, - x_off - EPEL_EXTRA_BEFORE, - y_off - EPEL_EXTRA_BEFORE, - pic_width, pic_height); - src2 = lc->edge_emu_buffer + buf_offset2; - src2stride = edge_emu_stride; - - s->hevcdsp.put_hevc_epel[!!my][!!mx][pred_idx](dst2, dststride, src2, src2stride, - block_h, mx, my, lc->mc_buffer); - } else { - s->hevcdsp.put_hevc_epel[!!my][!!mx][pred_idx](dst1, dststride, src1, src1stride, - block_h, mx, my, lc->mc_buffer); - s->hevcdsp.put_hevc_epel[!!my][!!mx][pred_idx](dst2, dststride, src2, src2stride, - block_h, mx, my, lc->mc_buffer); - } -} - -static void hevc_await_progress(HEVCContext *s, HEVCFrame *ref, - const Mv *mv, int y0, int height) -{ - int y = (mv->y >> 2) + y0 + height + 9; - ff_thread_await_progress(&ref->tf, y, 0); -} - -static void hevc_luma_mv_mpv_mode(HEVCContext *s, int x0, int y0, int nPbW, - int nPbH, int log2_cb_size, int part_idx, - int merge_idx, MvField *mv) -{ - HEVCLocalContext *lc = &s->HEVClc; - enum InterPredIdc inter_pred_idc = PRED_L0; - int mvp_flag; - - ff_hevc_set_neighbour_available(s, x0, y0, nPbW, nPbH); - if (s->sh.slice_type == B_SLICE) - inter_pred_idc = ff_hevc_inter_pred_idc_decode(s, nPbW, nPbH); - - if (inter_pred_idc != PRED_L1) { - if (s->sh.nb_refs[L0]) - mv->ref_idx[0]= ff_hevc_ref_idx_lx_decode(s, s->sh.nb_refs[L0]); - - mv->pred_flag[0] = 1; - hls_mvd_coding(s, x0, y0, 0); - mvp_flag = ff_hevc_mvp_lx_flag_decode(s); - ff_hevc_luma_mv_mvp_mode(s, x0, y0, nPbW, nPbH, log2_cb_size, - part_idx, merge_idx, mv, mvp_flag, 0); - mv->mv[0].x += lc->pu.mvd.x; - mv->mv[0].y += lc->pu.mvd.y; - } - - if (inter_pred_idc != PRED_L0) { - if (s->sh.nb_refs[L1]) - mv->ref_idx[1]= ff_hevc_ref_idx_lx_decode(s, s->sh.nb_refs[L1]); - - if (s->sh.mvd_l1_zero_flag == 1 && inter_pred_idc == PRED_BI) { - AV_ZERO32(&lc->pu.mvd); - } else { - hls_mvd_coding(s, x0, y0, 1); - } - - mv->pred_flag[1] = 1; - mvp_flag = ff_hevc_mvp_lx_flag_decode(s); - ff_hevc_luma_mv_mvp_mode(s, x0, y0, nPbW, nPbH, log2_cb_size, - part_idx, merge_idx, mv, mvp_flag, 1); - mv->mv[1].x += lc->pu.mvd.x; - mv->mv[1].y += lc->pu.mvd.y; - } -} - -static void hls_prediction_unit(HEVCContext *s, int x0, int y0, - int nPbW, int nPbH, - int log2_cb_size, int partIdx) -{ - static const int pred_indices[] = { - [4] = 0, [8] = 1, [12] = 2, [16] = 3, [24] = 4, [32] = 5, [48] = 6, [64] = 7, - }; - const int pred_idx = pred_indices[nPbW]; - -#define POS(c_idx, x, y) \ - &s->frame->data[c_idx][((y) >> s->ps.sps->vshift[c_idx]) * s->frame->linesize[c_idx] + \ - (((x) >> s->ps.sps->hshift[c_idx]) << s->ps.sps->pixel_shift)] - HEVCLocalContext *lc = &s->HEVClc; - int merge_idx = 0; - struct MvField current_mv = {{{ 0 }}}; - - int min_pu_width = s->ps.sps->min_pu_width; - - MvField *tab_mvf = s->ref->tab_mvf; - RefPicList *refPicList = s->ref->refPicList; - HEVCFrame *ref0, *ref1; - - ptrdiff_t tmpstride = MAX_PB_SIZE * sizeof(int16_t); - - uint8_t *dst0 = POS(0, x0, y0); - uint8_t *dst1 = POS(1, x0, y0); - uint8_t *dst2 = POS(2, x0, y0); - int log2_min_cb_size = s->ps.sps->log2_min_cb_size; - int min_cb_width = s->ps.sps->min_cb_width; - int x_cb = x0 >> log2_min_cb_size; - int y_cb = y0 >> log2_min_cb_size; - int x_pu, y_pu; - int i, j; - - int skip_flag = SAMPLE_CTB(s->skip_flag, x_cb, y_cb); - - if (!skip_flag) - lc->pu.merge_flag = ff_hevc_merge_flag_decode(s); - - if (skip_flag || lc->pu.merge_flag) { - if (s->sh.max_num_merge_cand > 1) - merge_idx = ff_hevc_merge_idx_decode(s); - else - merge_idx = 0; - - ff_hevc_luma_mv_merge_mode(s, x0, y0, nPbW, nPbH, log2_cb_size, - partIdx, merge_idx, ¤t_mv); - } else { - hevc_luma_mv_mpv_mode(s, x0, y0, nPbW, nPbH, log2_cb_size, - partIdx, merge_idx, ¤t_mv); - } - - x_pu = x0 >> s->ps.sps->log2_min_pu_size; - y_pu = y0 >> s->ps.sps->log2_min_pu_size; - - for (j = 0; j < nPbH >> s->ps.sps->log2_min_pu_size; j++) - for (i = 0; i < nPbW >> s->ps.sps->log2_min_pu_size; i++) - tab_mvf[(y_pu + j) * min_pu_width + x_pu + i] = current_mv; - - if (current_mv.pred_flag[0]) { - ref0 = refPicList[0].ref[current_mv.ref_idx[0]]; - if (!ref0) - return; - hevc_await_progress(s, ref0, ¤t_mv.mv[0], y0, nPbH); - } - if (current_mv.pred_flag[1]) { - ref1 = refPicList[1].ref[current_mv.ref_idx[1]]; - if (!ref1) - return; - hevc_await_progress(s, ref1, ¤t_mv.mv[1], y0, nPbH); - } - - if (current_mv.pred_flag[0] && !current_mv.pred_flag[1]) { - DECLARE_ALIGNED(16, int16_t, tmp[MAX_PB_SIZE * MAX_PB_SIZE]); - DECLARE_ALIGNED(16, int16_t, tmp2[MAX_PB_SIZE * MAX_PB_SIZE]); - - luma_mc(s, tmp, tmpstride, ref0->frame, - ¤t_mv.mv[0], x0, y0, nPbW, nPbH, pred_idx); - - if ((s->sh.slice_type == P_SLICE && s->ps.pps->weighted_pred_flag) || - (s->sh.slice_type == B_SLICE && s->ps.pps->weighted_bipred_flag)) { - s->hevcdsp.weighted_pred[pred_idx](s->sh.luma_log2_weight_denom, - s->sh.luma_weight_l0[current_mv.ref_idx[0]], - s->sh.luma_offset_l0[current_mv.ref_idx[0]], - dst0, s->frame->linesize[0], tmp, - tmpstride, nPbH); - } else { - s->hevcdsp.put_unweighted_pred[pred_idx](dst0, s->frame->linesize[0], tmp, tmpstride, nPbH); - } - chroma_mc(s, tmp, tmp2, tmpstride, ref0->frame, - ¤t_mv.mv[0], x0 / 2, y0 / 2, nPbW / 2, nPbH / 2, pred_idx); - - if ((s->sh.slice_type == P_SLICE && s->ps.pps->weighted_pred_flag) || - (s->sh.slice_type == B_SLICE && s->ps.pps->weighted_bipred_flag)) { - s->hevcdsp.weighted_pred_chroma[pred_idx](s->sh.chroma_log2_weight_denom, - s->sh.chroma_weight_l0[current_mv.ref_idx[0]][0], - s->sh.chroma_offset_l0[current_mv.ref_idx[0]][0], - dst1, s->frame->linesize[1], tmp, tmpstride, - nPbH / 2); - s->hevcdsp.weighted_pred_chroma[pred_idx](s->sh.chroma_log2_weight_denom, - s->sh.chroma_weight_l0[current_mv.ref_idx[0]][1], - s->sh.chroma_offset_l0[current_mv.ref_idx[0]][1], - dst2, s->frame->linesize[2], tmp2, tmpstride, - nPbH / 2); - } else { - s->hevcdsp.put_unweighted_pred_chroma[pred_idx](dst1, s->frame->linesize[1], tmp, tmpstride, nPbH / 2); - s->hevcdsp.put_unweighted_pred_chroma[pred_idx](dst2, s->frame->linesize[2], tmp2, tmpstride, nPbH / 2); - } - } else if (!current_mv.pred_flag[0] && current_mv.pred_flag[1]) { - DECLARE_ALIGNED(16, int16_t, tmp [MAX_PB_SIZE * MAX_PB_SIZE]); - DECLARE_ALIGNED(16, int16_t, tmp2[MAX_PB_SIZE * MAX_PB_SIZE]); - - luma_mc(s, tmp, tmpstride, ref1->frame, - ¤t_mv.mv[1], x0, y0, nPbW, nPbH, pred_idx); - - if ((s->sh.slice_type == P_SLICE && s->ps.pps->weighted_pred_flag) || - (s->sh.slice_type == B_SLICE && s->ps.pps->weighted_bipred_flag)) { - s->hevcdsp.weighted_pred[pred_idx](s->sh.luma_log2_weight_denom, - s->sh.luma_weight_l1[current_mv.ref_idx[1]], - s->sh.luma_offset_l1[current_mv.ref_idx[1]], - dst0, s->frame->linesize[0], tmp, tmpstride, - nPbH); - } else { - s->hevcdsp.put_unweighted_pred[pred_idx](dst0, s->frame->linesize[0], tmp, tmpstride, nPbH); - } - - chroma_mc(s, tmp, tmp2, tmpstride, ref1->frame, - ¤t_mv.mv[1], x0 / 2, y0 / 2, nPbW / 2, nPbH / 2, pred_idx); - - if ((s->sh.slice_type == P_SLICE && s->ps.pps->weighted_pred_flag) || - (s->sh.slice_type == B_SLICE && s->ps.pps->weighted_bipred_flag)) { - s->hevcdsp.weighted_pred_chroma[pred_idx](s->sh.chroma_log2_weight_denom, - s->sh.chroma_weight_l1[current_mv.ref_idx[1]][0], - s->sh.chroma_offset_l1[current_mv.ref_idx[1]][0], - dst1, s->frame->linesize[1], tmp, tmpstride, nPbH/2); - s->hevcdsp.weighted_pred_chroma[pred_idx](s->sh.chroma_log2_weight_denom, - s->sh.chroma_weight_l1[current_mv.ref_idx[1]][1], - s->sh.chroma_offset_l1[current_mv.ref_idx[1]][1], - dst2, s->frame->linesize[2], tmp2, tmpstride, nPbH/2); - } else { - s->hevcdsp.put_unweighted_pred_chroma[pred_idx](dst1, s->frame->linesize[1], tmp, tmpstride, nPbH / 2); - s->hevcdsp.put_unweighted_pred_chroma[pred_idx](dst2, s->frame->linesize[2], tmp2, tmpstride, nPbH / 2); - } - } else if (current_mv.pred_flag[0] && current_mv.pred_flag[1]) { - DECLARE_ALIGNED(16, int16_t, tmp [MAX_PB_SIZE * MAX_PB_SIZE]); - DECLARE_ALIGNED(16, int16_t, tmp2[MAX_PB_SIZE * MAX_PB_SIZE]); - DECLARE_ALIGNED(16, int16_t, tmp3[MAX_PB_SIZE * MAX_PB_SIZE]); - DECLARE_ALIGNED(16, int16_t, tmp4[MAX_PB_SIZE * MAX_PB_SIZE]); - - luma_mc(s, tmp, tmpstride, ref0->frame, - ¤t_mv.mv[0], x0, y0, nPbW, nPbH, pred_idx); - luma_mc(s, tmp2, tmpstride, ref1->frame, - ¤t_mv.mv[1], x0, y0, nPbW, nPbH, pred_idx); - - if ((s->sh.slice_type == P_SLICE && s->ps.pps->weighted_pred_flag) || - (s->sh.slice_type == B_SLICE && s->ps.pps->weighted_bipred_flag)) { - s->hevcdsp.weighted_pred_avg[pred_idx](s->sh.luma_log2_weight_denom, - s->sh.luma_weight_l0[current_mv.ref_idx[0]], - s->sh.luma_weight_l1[current_mv.ref_idx[1]], - s->sh.luma_offset_l0[current_mv.ref_idx[0]], - s->sh.luma_offset_l1[current_mv.ref_idx[1]], - dst0, s->frame->linesize[0], - tmp, tmp2, tmpstride, nPbH); - } else { - s->hevcdsp.put_unweighted_pred_avg[pred_idx](dst0, s->frame->linesize[0], - tmp, tmp2, tmpstride, nPbH); - } - - chroma_mc(s, tmp, tmp2, tmpstride, ref0->frame, - ¤t_mv.mv[0], x0 / 2, y0 / 2, nPbW / 2, nPbH / 2, pred_idx); - chroma_mc(s, tmp3, tmp4, tmpstride, ref1->frame, - ¤t_mv.mv[1], x0 / 2, y0 / 2, nPbW / 2, nPbH / 2, pred_idx); - - if ((s->sh.slice_type == P_SLICE && s->ps.pps->weighted_pred_flag) || - (s->sh.slice_type == B_SLICE && s->ps.pps->weighted_bipred_flag)) { - s->hevcdsp.weighted_pred_avg_chroma[pred_idx](s->sh.chroma_log2_weight_denom, - s->sh.chroma_weight_l0[current_mv.ref_idx[0]][0], - s->sh.chroma_weight_l1[current_mv.ref_idx[1]][0], - s->sh.chroma_offset_l0[current_mv.ref_idx[0]][0], - s->sh.chroma_offset_l1[current_mv.ref_idx[1]][0], - dst1, s->frame->linesize[1], tmp, tmp3, - tmpstride, nPbH / 2); - s->hevcdsp.weighted_pred_avg_chroma[pred_idx](s->sh.chroma_log2_weight_denom, - s->sh.chroma_weight_l0[current_mv.ref_idx[0]][1], - s->sh.chroma_weight_l1[current_mv.ref_idx[1]][1], - s->sh.chroma_offset_l0[current_mv.ref_idx[0]][1], - s->sh.chroma_offset_l1[current_mv.ref_idx[1]][1], - dst2, s->frame->linesize[2], tmp2, tmp4, - tmpstride, nPbH / 2); - } else { - s->hevcdsp.put_unweighted_pred_avg_chroma[pred_idx](dst1, s->frame->linesize[1], tmp, tmp3, tmpstride, nPbH/2); - s->hevcdsp.put_unweighted_pred_avg_chroma[pred_idx](dst2, s->frame->linesize[2], tmp2, tmp4, tmpstride, nPbH/2); - } - } -} - -/** - * 8.4.1 - */ -static int luma_intra_pred_mode(HEVCContext *s, int x0, int y0, int pu_size, - int prev_intra_luma_pred_flag) -{ - HEVCLocalContext *lc = &s->HEVClc; - int x_pu = x0 >> s->ps.sps->log2_min_pu_size; - int y_pu = y0 >> s->ps.sps->log2_min_pu_size; - int min_pu_width = s->ps.sps->min_pu_width; - int size_in_pus = pu_size >> s->ps.sps->log2_min_pu_size; - int x0b = x0 & ((1 << s->ps.sps->log2_ctb_size) - 1); - int y0b = y0 & ((1 << s->ps.sps->log2_ctb_size) - 1); - - int cand_up = (lc->ctb_up_flag || y0b) ? - s->tab_ipm[(y_pu - 1) * min_pu_width + x_pu] : INTRA_DC; - int cand_left = (lc->ctb_left_flag || x0b) ? - s->tab_ipm[y_pu * min_pu_width + x_pu - 1] : INTRA_DC; - - int y_ctb = (y0 >> (s->ps.sps->log2_ctb_size)) << (s->ps.sps->log2_ctb_size); - - MvField *tab_mvf = s->ref->tab_mvf; - int intra_pred_mode; - int candidate[3]; - int i, j; - - // intra_pred_mode prediction does not cross vertical CTB boundaries - if ((y0 - 1) < y_ctb) - cand_up = INTRA_DC; - - if (cand_left == cand_up) { - if (cand_left < 2) { - candidate[0] = INTRA_PLANAR; - candidate[1] = INTRA_DC; - candidate[2] = INTRA_ANGULAR_26; - } else { - candidate[0] = cand_left; - candidate[1] = 2 + ((cand_left - 2 - 1 + 32) & 31); - candidate[2] = 2 + ((cand_left - 2 + 1) & 31); - } - } else { - candidate[0] = cand_left; - candidate[1] = cand_up; - if (candidate[0] != INTRA_PLANAR && candidate[1] != INTRA_PLANAR) { - candidate[2] = INTRA_PLANAR; - } else if (candidate[0] != INTRA_DC && candidate[1] != INTRA_DC) { - candidate[2] = INTRA_DC; - } else { - candidate[2] = INTRA_ANGULAR_26; - } - } - - if (prev_intra_luma_pred_flag) { - intra_pred_mode = candidate[lc->pu.mpm_idx]; - } else { - if (candidate[0] > candidate[1]) - FFSWAP(uint8_t, candidate[0], candidate[1]); - if (candidate[0] > candidate[2]) - FFSWAP(uint8_t, candidate[0], candidate[2]); - if (candidate[1] > candidate[2]) - FFSWAP(uint8_t, candidate[1], candidate[2]); - - intra_pred_mode = lc->pu.rem_intra_luma_pred_mode; - for (i = 0; i < 3; i++) - if (intra_pred_mode >= candidate[i]) - intra_pred_mode++; - } - - /* write the intra prediction units into the mv array */ - if (!size_in_pus) - size_in_pus = 1; - for (i = 0; i < size_in_pus; i++) { - memset(&s->tab_ipm[(y_pu + i) * min_pu_width + x_pu], - intra_pred_mode, size_in_pus); - - for (j = 0; j < size_in_pus; j++) { - tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].is_intra = 1; - tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].pred_flag[0] = 0; - tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].pred_flag[1] = 0; - tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].ref_idx[0] = 0; - tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].ref_idx[1] = 0; - tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].mv[0].x = 0; - tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].mv[0].y = 0; - tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].mv[1].x = 0; - tab_mvf[(y_pu + j) * min_pu_width + x_pu + i].mv[1].y = 0; - } - } - - return intra_pred_mode; -} - -static av_always_inline void set_ct_depth(HEVCContext *s, int x0, int y0, - int log2_cb_size, int ct_depth) -{ - int length = (1 << log2_cb_size) >> s->ps.sps->log2_min_cb_size; - int x_cb = x0 >> s->ps.sps->log2_min_cb_size; - int y_cb = y0 >> s->ps.sps->log2_min_cb_size; - int y; - - for (y = 0; y < length; y++) - memset(&s->tab_ct_depth[(y_cb + y) * s->ps.sps->min_cb_width + x_cb], - ct_depth, length); -} - -static void intra_prediction_unit(HEVCContext *s, int x0, int y0, - int log2_cb_size) -{ - HEVCLocalContext *lc = &s->HEVClc; - static const uint8_t intra_chroma_table[4] = { 0, 26, 10, 1 }; - uint8_t prev_intra_luma_pred_flag[4]; - int split = lc->cu.part_mode == PART_NxN; - int pb_size = (1 << log2_cb_size) >> split; - int side = split + 1; - int chroma_mode; - int i, j; - - for (i = 0; i < side; i++) - for (j = 0; j < side; j++) - prev_intra_luma_pred_flag[2 * i + j] = ff_hevc_prev_intra_luma_pred_flag_decode(s); - - for (i = 0; i < side; i++) { - for (j = 0; j < side; j++) { - if (prev_intra_luma_pred_flag[2 * i + j]) - lc->pu.mpm_idx = ff_hevc_mpm_idx_decode(s); - else - lc->pu.rem_intra_luma_pred_mode = ff_hevc_rem_intra_luma_pred_mode_decode(s); - - lc->pu.intra_pred_mode[2 * i + j] = - luma_intra_pred_mode(s, x0 + pb_size * j, y0 + pb_size * i, pb_size, - prev_intra_luma_pred_flag[2 * i + j]); - } - } - - chroma_mode = ff_hevc_intra_chroma_pred_mode_decode(s); - if (chroma_mode != 4) { - if (lc->pu.intra_pred_mode[0] == intra_chroma_table[chroma_mode]) - lc->pu.intra_pred_mode_c = 34; - else - lc->pu.intra_pred_mode_c = intra_chroma_table[chroma_mode]; - } else { - lc->pu.intra_pred_mode_c = lc->pu.intra_pred_mode[0]; - } -} - -static void intra_prediction_unit_default_value(HEVCContext *s, - int x0, int y0, - int log2_cb_size) -{ - HEVCLocalContext *lc = &s->HEVClc; - int pb_size = 1 << log2_cb_size; - int size_in_pus = pb_size >> s->ps.sps->log2_min_pu_size; - int min_pu_width = s->ps.sps->min_pu_width; - MvField *tab_mvf = s->ref->tab_mvf; - int x_pu = x0 >> s->ps.sps->log2_min_pu_size; - int y_pu = y0 >> s->ps.sps->log2_min_pu_size; - int j, k; - - if (size_in_pus == 0) - size_in_pus = 1; - for (j = 0; j < size_in_pus; j++) { - memset(&s->tab_ipm[(y_pu + j) * min_pu_width + x_pu], INTRA_DC, size_in_pus); - for (k = 0; k < size_in_pus; k++) - tab_mvf[(y_pu + j) * min_pu_width + x_pu + k].is_intra = lc->cu.pred_mode == MODE_INTRA; - } -} - -static int hls_coding_unit(HEVCContext *s, int x0, int y0, int log2_cb_size) -{ - int cb_size = 1 << log2_cb_size; - HEVCLocalContext *lc = &s->HEVClc; - int log2_min_cb_size = s->ps.sps->log2_min_cb_size; - int length = cb_size >> log2_min_cb_size; - int min_cb_width = s->ps.sps->min_cb_width; - int x_cb = x0 >> log2_min_cb_size; - int y_cb = y0 >> log2_min_cb_size; - int x, y, ret; - - lc->cu.x = x0; - lc->cu.y = y0; - lc->cu.pred_mode = MODE_INTRA; - lc->cu.part_mode = PART_2Nx2N; - lc->cu.intra_split_flag = 0; - - SAMPLE_CTB(s->skip_flag, x_cb, y_cb) = 0; - for (x = 0; x < 4; x++) - lc->pu.intra_pred_mode[x] = 1; - if (s->ps.pps->transquant_bypass_enable_flag) { - lc->cu.cu_transquant_bypass_flag = ff_hevc_cu_transquant_bypass_flag_decode(s); - if (lc->cu.cu_transquant_bypass_flag) - set_deblocking_bypass(s, x0, y0, log2_cb_size); - } else - lc->cu.cu_transquant_bypass_flag = 0; - - if (s->sh.slice_type != I_SLICE) { - uint8_t skip_flag = ff_hevc_skip_flag_decode(s, x0, y0, x_cb, y_cb); - - x = y_cb * min_cb_width + x_cb; - for (y = 0; y < length; y++) { - memset(&s->skip_flag[x], skip_flag, length); - x += min_cb_width; - } - lc->cu.pred_mode = skip_flag ? MODE_SKIP : MODE_INTER; - } - - if (SAMPLE_CTB(s->skip_flag, x_cb, y_cb)) { - hls_prediction_unit(s, x0, y0, cb_size, cb_size, log2_cb_size, 0); - intra_prediction_unit_default_value(s, x0, y0, log2_cb_size); - - if (!s->sh.disable_deblocking_filter_flag) - ff_hevc_deblocking_boundary_strengths(s, x0, y0, log2_cb_size); - } else { - int pcm_flag = 0; - - if (s->sh.slice_type != I_SLICE) - lc->cu.pred_mode = ff_hevc_pred_mode_decode(s); - if (lc->cu.pred_mode != MODE_INTRA || - log2_cb_size == s->ps.sps->log2_min_cb_size) { - lc->cu.part_mode = ff_hevc_part_mode_decode(s, log2_cb_size); - lc->cu.intra_split_flag = lc->cu.part_mode == PART_NxN && - lc->cu.pred_mode == MODE_INTRA; - } - - if (lc->cu.pred_mode == MODE_INTRA) { - if (lc->cu.part_mode == PART_2Nx2N && s->ps.sps->pcm_enabled_flag && - log2_cb_size >= s->ps.sps->pcm.log2_min_pcm_cb_size && - log2_cb_size <= s->ps.sps->pcm.log2_max_pcm_cb_size) { - pcm_flag = ff_hevc_pcm_flag_decode(s); - } - if (pcm_flag) { - intra_prediction_unit_default_value(s, x0, y0, log2_cb_size); - ret = hls_pcm_sample(s, x0, y0, log2_cb_size); - if (s->ps.sps->pcm.loop_filter_disable_flag) - set_deblocking_bypass(s, x0, y0, log2_cb_size); - - if (ret < 0) - return ret; - } else { - intra_prediction_unit(s, x0, y0, log2_cb_size); - } - } else { - intra_prediction_unit_default_value(s, x0, y0, log2_cb_size); - switch (lc->cu.part_mode) { - case PART_2Nx2N: - hls_prediction_unit(s, x0, y0, cb_size, cb_size, log2_cb_size, 0); - break; - case PART_2NxN: - hls_prediction_unit(s, x0, y0, cb_size, cb_size / 2, log2_cb_size, 0); - hls_prediction_unit(s, x0, y0 + cb_size / 2, cb_size, cb_size / 2, log2_cb_size, 1); - break; - case PART_Nx2N: - hls_prediction_unit(s, x0, y0, cb_size / 2, cb_size, log2_cb_size, 0); - hls_prediction_unit(s, x0 + cb_size / 2, y0, cb_size / 2, cb_size, log2_cb_size, 1); - break; - case PART_2NxnU: - hls_prediction_unit(s, x0, y0, cb_size, cb_size / 4, log2_cb_size, 0); - hls_prediction_unit(s, x0, y0 + cb_size / 4, cb_size, cb_size * 3 / 4, log2_cb_size, 1); - break; - case PART_2NxnD: - hls_prediction_unit(s, x0, y0, cb_size, cb_size * 3 / 4, log2_cb_size, 0); - hls_prediction_unit(s, x0, y0 + cb_size * 3 / 4, cb_size, cb_size / 4, log2_cb_size, 1); - break; - case PART_nLx2N: - hls_prediction_unit(s, x0, y0, cb_size / 4, cb_size, log2_cb_size, 0); - hls_prediction_unit(s, x0 + cb_size / 4, y0, cb_size * 3 / 4, cb_size, log2_cb_size, 1); - break; - case PART_nRx2N: - hls_prediction_unit(s, x0, y0, cb_size * 3 / 4, cb_size, log2_cb_size, 0); - hls_prediction_unit(s, x0 + cb_size * 3 / 4, y0, cb_size / 4, cb_size, log2_cb_size, 1); - break; - case PART_NxN: - hls_prediction_unit(s, x0, y0, cb_size / 2, cb_size / 2, log2_cb_size, 0); - hls_prediction_unit(s, x0 + cb_size / 2, y0, cb_size / 2, cb_size / 2, log2_cb_size, 1); - hls_prediction_unit(s, x0, y0 + cb_size / 2, cb_size / 2, cb_size / 2, log2_cb_size, 2); - hls_prediction_unit(s, x0 + cb_size / 2, y0 + cb_size / 2, cb_size / 2, cb_size / 2, log2_cb_size, 3); - break; - } - } - - if (!pcm_flag) { - int rqt_root_cbf = 1; - - if (lc->cu.pred_mode != MODE_INTRA && - !(lc->cu.part_mode == PART_2Nx2N && lc->pu.merge_flag)) { - rqt_root_cbf = ff_hevc_no_residual_syntax_flag_decode(s); - } - if (rqt_root_cbf) { - lc->cu.max_trafo_depth = lc->cu.pred_mode == MODE_INTRA ? - s->ps.sps->max_transform_hierarchy_depth_intra + lc->cu.intra_split_flag : - s->ps.sps->max_transform_hierarchy_depth_inter; - ret = hls_transform_tree(s, x0, y0, x0, y0, x0, y0, - log2_cb_size, - log2_cb_size, 0, 0, 0, 0); - if (ret < 0) - return ret; - } else { - if (!s->sh.disable_deblocking_filter_flag) - ff_hevc_deblocking_boundary_strengths(s, x0, y0, log2_cb_size); - } - } - } - - if (s->ps.pps->cu_qp_delta_enabled_flag && lc->tu.is_cu_qp_delta_coded == 0) - ff_hevc_set_qPy(s, x0, y0, x0, y0, log2_cb_size); - - x = y_cb * min_cb_width + x_cb; - for (y = 0; y < length; y++) { - memset(&s->qp_y_tab[x], lc->qp_y, length); - x += min_cb_width; - } - - set_ct_depth(s, x0, y0, log2_cb_size, lc->ct.depth); - - return 0; -} - -static int hls_coding_quadtree(HEVCContext *s, int x0, int y0, - int log2_cb_size, int cb_depth) -{ - HEVCLocalContext *lc = &s->HEVClc; - const int cb_size = 1 << log2_cb_size; - int split_cu; - - lc->ct.depth = cb_depth; - if (x0 + cb_size <= s->ps.sps->width && - y0 + cb_size <= s->ps.sps->height && - log2_cb_size > s->ps.sps->log2_min_cb_size) { - split_cu = ff_hevc_split_coding_unit_flag_decode(s, cb_depth, x0, y0); - } else { - split_cu = (log2_cb_size > s->ps.sps->log2_min_cb_size); - } - if (s->ps.pps->cu_qp_delta_enabled_flag && - log2_cb_size >= s->ps.sps->log2_ctb_size - s->ps.pps->diff_cu_qp_delta_depth) { - lc->tu.is_cu_qp_delta_coded = 0; - lc->tu.cu_qp_delta = 0; - } - - if (split_cu) { - const int cb_size_split = cb_size >> 1; - const int x1 = x0 + cb_size_split; - const int y1 = y0 + cb_size_split; - - log2_cb_size--; - cb_depth++; - -#define SUBDIVIDE(x, y) \ -do { \ - if (x < s->ps.sps->width && y < s->ps.sps->height) { \ - int ret = hls_coding_quadtree(s, x, y, log2_cb_size, cb_depth);\ - if (ret < 0) \ - return ret; \ - } \ -} while (0) - - SUBDIVIDE(x0, y0); - SUBDIVIDE(x1, y0); - SUBDIVIDE(x0, y1); - SUBDIVIDE(x1, y1); - } else { - int ret = hls_coding_unit(s, x0, y0, log2_cb_size); - if (ret < 0) - return ret; - } - - return 0; -} - -static void hls_decode_neighbour(HEVCContext *s, int x_ctb, int y_ctb, - int ctb_addr_ts) -{ - HEVCLocalContext *lc = &s->HEVClc; - int ctb_size = 1 << s->ps.sps->log2_ctb_size; - int ctb_addr_rs = s->ps.pps->ctb_addr_ts_to_rs[ctb_addr_ts]; - int ctb_addr_in_slice = ctb_addr_rs - s->sh.slice_addr; - - s->tab_slice_address[ctb_addr_rs] = s->sh.slice_addr; - - if (s->ps.pps->entropy_coding_sync_enabled_flag) { - if (x_ctb == 0 && (y_ctb & (ctb_size - 1)) == 0) - lc->first_qp_group = 1; - lc->end_of_tiles_x = s->ps.sps->width; - } else if (s->ps.pps->tiles_enabled_flag) { - if (ctb_addr_ts && s->ps.pps->tile_id[ctb_addr_ts] != s->ps.pps->tile_id[ctb_addr_ts - 1]) { - int idxX = s->ps.pps->col_idxX[x_ctb >> s->ps.sps->log2_ctb_size]; - lc->start_of_tiles_x = x_ctb; - lc->end_of_tiles_x = x_ctb + (s->ps.pps->column_width[idxX] << s->ps.sps->log2_ctb_size); - lc->first_qp_group = 1; - } - } else { - lc->end_of_tiles_x = s->ps.sps->width; - } - - lc->end_of_tiles_y = FFMIN(y_ctb + ctb_size, s->ps.sps->height); - - lc->boundary_flags = 0; - if (s->ps.pps->tiles_enabled_flag) { - if (x_ctb > 0 && s->ps.pps->tile_id[ctb_addr_ts] != s->ps.pps->tile_id[s->ps.pps->ctb_addr_rs_to_ts[ctb_addr_rs - 1]]) - lc->boundary_flags |= BOUNDARY_LEFT_TILE; - if (x_ctb > 0 && s->tab_slice_address[ctb_addr_rs] != s->tab_slice_address[ctb_addr_rs - 1]) - lc->boundary_flags |= BOUNDARY_LEFT_SLICE; - if (y_ctb > 0 && s->ps.pps->tile_id[ctb_addr_ts] != s->ps.pps->tile_id[s->ps.pps->ctb_addr_rs_to_ts[ctb_addr_rs - s->ps.sps->ctb_width]]) - lc->boundary_flags |= BOUNDARY_UPPER_TILE; - if (y_ctb > 0 && s->tab_slice_address[ctb_addr_rs] != s->tab_slice_address[ctb_addr_rs - s->ps.sps->ctb_width]) - lc->boundary_flags |= BOUNDARY_UPPER_SLICE; - } else { - if (!ctb_addr_in_slice) - lc->boundary_flags |= BOUNDARY_LEFT_SLICE; - if (ctb_addr_in_slice < s->ps.sps->ctb_width) - lc->boundary_flags |= BOUNDARY_UPPER_SLICE; - } - - lc->ctb_left_flag = ((x_ctb > 0) && (ctb_addr_in_slice > 0) && !(lc->boundary_flags & BOUNDARY_LEFT_TILE)); - lc->ctb_up_flag = ((y_ctb > 0) && (ctb_addr_in_slice >= s->ps.sps->ctb_width) && !(lc->boundary_flags & BOUNDARY_UPPER_TILE)); - lc->ctb_up_right_flag = ((y_ctb > 0) && (ctb_addr_in_slice+1 >= s->ps.sps->ctb_width) && (s->ps.pps->tile_id[ctb_addr_ts] == s->ps.pps->tile_id[s->ps.pps->ctb_addr_rs_to_ts[ctb_addr_rs+1 - s->ps.sps->ctb_width]])); - lc->ctb_up_left_flag = ((x_ctb > 0) && (y_ctb > 0) && (ctb_addr_in_slice-1 >= s->ps.sps->ctb_width) && (s->ps.pps->tile_id[ctb_addr_ts] == s->ps.pps->tile_id[s->ps.pps->ctb_addr_rs_to_ts[ctb_addr_rs-1 - s->ps.sps->ctb_width]])); -} - -static int hls_slice_data(HEVCContext *s) -{ - int ctb_size = 1 << s->ps.sps->log2_ctb_size; - int more_data = 1; - int x_ctb = 0; - int y_ctb = 0; - int ctb_addr_ts = s->ps.pps->ctb_addr_rs_to_ts[s->sh.slice_ctb_addr_rs]; - int ret; - - while (more_data && ctb_addr_ts < s->ps.sps->ctb_size) { - int ctb_addr_rs = s->ps.pps->ctb_addr_ts_to_rs[ctb_addr_ts]; - - x_ctb = (ctb_addr_rs % ((s->ps.sps->width + ctb_size - 1) >> s->ps.sps->log2_ctb_size)) << s->ps.sps->log2_ctb_size; - y_ctb = (ctb_addr_rs / ((s->ps.sps->width + ctb_size - 1) >> s->ps.sps->log2_ctb_size)) << s->ps.sps->log2_ctb_size; - hls_decode_neighbour(s, x_ctb, y_ctb, ctb_addr_ts); - - ff_hevc_cabac_init(s, ctb_addr_ts); - - hls_sao_param(s, x_ctb >> s->ps.sps->log2_ctb_size, y_ctb >> s->ps.sps->log2_ctb_size); - - s->deblock[ctb_addr_rs].beta_offset = s->sh.beta_offset; - s->deblock[ctb_addr_rs].tc_offset = s->sh.tc_offset; - s->filter_slice_edges[ctb_addr_rs] = s->sh.slice_loop_filter_across_slices_enabled_flag; - - ret = hls_coding_quadtree(s, x_ctb, y_ctb, s->ps.sps->log2_ctb_size, 0); - if (ret < 0) - return ret; - more_data = !ff_hevc_end_of_slice_flag_decode(s); - - ctb_addr_ts++; - ff_hevc_save_states(s, ctb_addr_ts); - ff_hevc_hls_filters(s, x_ctb, y_ctb, ctb_size); - } - - if (x_ctb + ctb_size >= s->ps.sps->width && - y_ctb + ctb_size >= s->ps.sps->height) - ff_hevc_hls_filter(s, x_ctb, y_ctb); - - return ctb_addr_ts; -} - -static void restore_tqb_pixels(HEVCContext *s) -{ - int min_pu_size = 1 << s->ps.sps->log2_min_pu_size; - int x, y, c_idx; - - for (c_idx = 0; c_idx < 3; c_idx++) { - ptrdiff_t stride = s->frame->linesize[c_idx]; - int hshift = s->ps.sps->hshift[c_idx]; - int vshift = s->ps.sps->vshift[c_idx]; - for (y = 0; y < s->ps.sps->min_pu_height; y++) { - for (x = 0; x < s->ps.sps->min_pu_width; x++) { - if (s->is_pcm[y * s->ps.sps->min_pu_width + x]) { - int n; - int len = min_pu_size >> hshift; - uint8_t *src = &s->frame->data[c_idx][((y << s->ps.sps->log2_min_pu_size) >> vshift) * stride + (((x << s->ps.sps->log2_min_pu_size) >> hshift) << s->ps.sps->pixel_shift)]; - uint8_t *dst = &s->sao_frame->data[c_idx][((y << s->ps.sps->log2_min_pu_size) >> vshift) * stride + (((x << s->ps.sps->log2_min_pu_size) >> hshift) << s->ps.sps->pixel_shift)]; - for (n = 0; n < (min_pu_size >> vshift); n++) { - memcpy(dst, src, len); - src += stride; - dst += stride; - } - } - } - } - } -} - -static int set_side_data(HEVCContext *s) -{ - AVFrame *out = s->ref->frame; - - if (s->sei_frame_packing_present && - s->frame_packing_arrangement_type >= 3 && - s->frame_packing_arrangement_type <= 5 && - s->content_interpretation_type > 0 && - s->content_interpretation_type < 3) { - AVStereo3D *stereo = av_stereo3d_create_side_data(out); - if (!stereo) - return AVERROR(ENOMEM); - - switch (s->frame_packing_arrangement_type) { - case 3: - if (s->quincunx_subsampling) - stereo->type = AV_STEREO3D_SIDEBYSIDE_QUINCUNX; - else - stereo->type = AV_STEREO3D_SIDEBYSIDE; - break; - case 4: - stereo->type = AV_STEREO3D_TOPBOTTOM; - break; - case 5: - stereo->type = AV_STEREO3D_FRAMESEQUENCE; - break; - } - - if (s->content_interpretation_type == 2) - stereo->flags = AV_STEREO3D_FLAG_INVERT; - } - - if (s->sei_display_orientation_present && - (s->sei_anticlockwise_rotation || s->sei_hflip || s->sei_vflip)) { - double angle = s->sei_anticlockwise_rotation * 360 / (double) (1 << 16); - AVFrameSideData *rotation = av_frame_new_side_data(out, - AV_FRAME_DATA_DISPLAYMATRIX, - sizeof(int32_t) * 9); - if (!rotation) - return AVERROR(ENOMEM); - - av_display_rotation_set((int32_t *)rotation->data, angle); - av_display_matrix_flip((int32_t *)rotation->data, - s->sei_hflip, s->sei_vflip); - } - - return 0; -} - -static int hevc_frame_start(HEVCContext *s) -{ - HEVCLocalContext *lc = &s->HEVClc; - int ret; - - memset(s->horizontal_bs, 0, 2 * s->bs_width * (s->bs_height + 1)); - memset(s->vertical_bs, 0, 2 * s->bs_width * (s->bs_height + 1)); - memset(s->cbf_luma, 0, s->ps.sps->min_tb_width * s->ps.sps->min_tb_height); - memset(s->is_pcm, 0, s->ps.sps->min_pu_width * s->ps.sps->min_pu_height); - - lc->start_of_tiles_x = 0; - s->is_decoded = 0; - s->first_nal_type = s->nal_unit_type; - - if (s->ps.pps->tiles_enabled_flag) - lc->end_of_tiles_x = s->ps.pps->column_width[0] << s->ps.sps->log2_ctb_size; - - ret = ff_hevc_set_new_ref(s, s->ps.sps->sao_enabled ? &s->sao_frame : &s->frame, - s->poc); - if (ret < 0) - goto fail; - - ret = ff_hevc_frame_rps(s); - if (ret < 0) { - av_log(s->avctx, AV_LOG_ERROR, "Error constructing the frame RPS.\n"); - goto fail; - } - - s->ref->frame->key_frame = IS_IRAP(s); - - ret = set_side_data(s); - if (ret < 0) - goto fail; - - av_frame_unref(s->output_frame); - ret = ff_hevc_output_frame(s, s->output_frame, 0); - if (ret < 0) - goto fail; - - ff_thread_finish_setup(s->avctx); - - return 0; - -fail: - if (s->ref) - ff_hevc_unref_frame(s, s->ref, ~0); - s->ref = NULL; - return ret; -} - -static int decode_nal_unit(HEVCContext *s, const H2645NAL *nal) -{ - HEVCLocalContext *lc = &s->HEVClc; - GetBitContext *gb = &lc->gb; - int ctb_addr_ts, ret; - - *gb = nal->gb; - s->nal_unit_type = nal->type; - s->temporal_id = nal->temporal_id; - - switch (s->nal_unit_type) { - case NAL_VPS: - ret = ff_hevc_decode_nal_vps(gb, s->avctx, &s->ps); - if (ret < 0) - goto fail; - break; - case NAL_SPS: - ret = ff_hevc_decode_nal_sps(gb, s->avctx, &s->ps, - s->apply_defdispwin); - if (ret < 0) - goto fail; - break; - case NAL_PPS: - ret = ff_hevc_decode_nal_pps(gb, s->avctx, &s->ps); - if (ret < 0) - goto fail; - break; - case NAL_SEI_PREFIX: - case NAL_SEI_SUFFIX: - ret = ff_hevc_decode_nal_sei(s); - if (ret < 0) - goto fail; - break; - case NAL_TRAIL_R: - case NAL_TRAIL_N: - case NAL_TSA_N: - case NAL_TSA_R: - case NAL_STSA_N: - case NAL_STSA_R: - case NAL_BLA_W_LP: - case NAL_BLA_W_RADL: - case NAL_BLA_N_LP: - case NAL_IDR_W_RADL: - case NAL_IDR_N_LP: - case NAL_CRA_NUT: - case NAL_RADL_N: - case NAL_RADL_R: - case NAL_RASL_N: - case NAL_RASL_R: - ret = hls_slice_header(s); - if (ret < 0) - return ret; - - if (s->max_ra == INT_MAX) { - if (s->nal_unit_type == NAL_CRA_NUT || IS_BLA(s)) { - s->max_ra = s->poc; - } else { - if (IS_IDR(s)) - s->max_ra = INT_MIN; - } - } - - if ((s->nal_unit_type == NAL_RASL_R || s->nal_unit_type == NAL_RASL_N) && - s->poc <= s->max_ra) { - s->is_decoded = 0; - break; - } else { - if (s->nal_unit_type == NAL_RASL_R && s->poc > s->max_ra) - s->max_ra = INT_MIN; - } - - if (s->sh.first_slice_in_pic_flag) { - ret = hevc_frame_start(s); - if (ret < 0) - return ret; - } else if (!s->ref) { - av_log(s->avctx, AV_LOG_ERROR, "First slice in a frame missing.\n"); - goto fail; - } - - if (s->nal_unit_type != s->first_nal_type) { - av_log(s->avctx, AV_LOG_ERROR, - "Non-matching NAL types of the VCL NALUs: %d %d\n", - s->first_nal_type, s->nal_unit_type); - return AVERROR_INVALIDDATA; - } - - if (!s->sh.dependent_slice_segment_flag && - s->sh.slice_type != I_SLICE) { - ret = ff_hevc_slice_rpl(s); - if (ret < 0) { - av_log(s->avctx, AV_LOG_WARNING, - "Error constructing the reference lists for the current slice.\n"); - goto fail; - } - } - - if (s->sh.first_slice_in_pic_flag && s->avctx->hwaccel) { - ret = s->avctx->hwaccel->start_frame(s->avctx, NULL, 0); - if (ret < 0) - goto fail; - } - - if (s->avctx->hwaccel) { - ret = s->avctx->hwaccel->decode_slice(s->avctx, nal->raw_data, nal->raw_size); - if (ret < 0) - goto fail; - } else { - ctb_addr_ts = hls_slice_data(s); - if (ctb_addr_ts >= (s->ps.sps->ctb_width * s->ps.sps->ctb_height)) { - s->is_decoded = 1; - if ((s->ps.pps->transquant_bypass_enable_flag || - (s->ps.sps->pcm.loop_filter_disable_flag && s->ps.sps->pcm_enabled_flag)) && - s->ps.sps->sao_enabled) - restore_tqb_pixels(s); - } - - if (ctb_addr_ts < 0) { - ret = ctb_addr_ts; - goto fail; - } - } - break; - case NAL_EOS_NUT: - case NAL_EOB_NUT: - s->seq_decode = (s->seq_decode + 1) & 0xff; - s->max_ra = INT_MAX; - break; - case NAL_AUD: - case NAL_FD_NUT: - break; - default: - av_log(s->avctx, AV_LOG_INFO, - "Skipping NAL unit %d\n", s->nal_unit_type); - } - - return 0; -fail: - if (s->avctx->err_recognition & AV_EF_EXPLODE) - return ret; - return 0; -} - -static int decode_nal_units(HEVCContext *s, const uint8_t *buf, int length) -{ - int i, ret = 0; - - s->ref = NULL; - s->eos = 0; - - /* split the input packet into NAL units, so we know the upper bound on the - * number of slices in the frame */ - ret = ff_h2645_packet_split(&s->pkt, buf, length, s->avctx, s->is_nalff, - s->nal_length_size, s->avctx->codec_id); - if (ret < 0) { - av_log(s->avctx, AV_LOG_ERROR, - "Error splitting the input into NAL units.\n"); - return ret; - } - - for (i = 0; i < s->pkt.nb_nals; i++) { - if (s->pkt.nals[i].type == NAL_EOB_NUT || - s->pkt.nals[i].type == NAL_EOS_NUT) - s->eos = 1; - } - - /* decode the NAL units */ - for (i = 0; i < s->pkt.nb_nals; i++) { - ret = decode_nal_unit(s, &s->pkt.nals[i]); - if (ret < 0) { - av_log(s->avctx, AV_LOG_WARNING, - "Error parsing NAL unit #%d.\n", i); - goto fail; - } - } - -fail: - if (s->ref) - ff_thread_report_progress(&s->ref->tf, INT_MAX, 0); - - return ret; -} - -static void print_md5(void *log_ctx, int level, uint8_t md5[16]) -{ - int i; - for (i = 0; i < 16; i++) - av_log(log_ctx, level, "%02"PRIx8, md5[i]); -} - -static int verify_md5(HEVCContext *s, AVFrame *frame) -{ - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format); - int pixel_shift; - int i, j; - - if (!desc) - return AVERROR(EINVAL); - - pixel_shift = desc->comp[0].depth > 8; - - av_log(s->avctx, AV_LOG_DEBUG, "Verifying checksum for frame with POC %d: ", - s->poc); - - /* the checksums are LE, so we have to byteswap for >8bpp formats - * on BE arches */ -#if HAVE_BIGENDIAN - if (pixel_shift && !s->checksum_buf) { - av_fast_malloc(&s->checksum_buf, &s->checksum_buf_size, - FFMAX3(frame->linesize[0], frame->linesize[1], - frame->linesize[2])); - if (!s->checksum_buf) - return AVERROR(ENOMEM); - } -#endif - - for (i = 0; frame->data[i]; i++) { - int width = s->avctx->coded_width; - int height = s->avctx->coded_height; - int w = (i == 1 || i == 2) ? (width >> desc->log2_chroma_w) : width; - int h = (i == 1 || i == 2) ? (height >> desc->log2_chroma_h) : height; - uint8_t md5[16]; - - av_md5_init(s->md5_ctx); - for (j = 0; j < h; j++) { - const uint8_t *src = frame->data[i] + j * frame->linesize[i]; -#if HAVE_BIGENDIAN - if (pixel_shift) { - s->bdsp.bswap16_buf((uint16_t *) s->checksum_buf, - (const uint16_t *) src, w); - src = s->checksum_buf; - } -#endif - av_md5_update(s->md5_ctx, src, w << pixel_shift); - } - av_md5_final(s->md5_ctx, md5); - - if (!memcmp(md5, s->md5[i], 16)) { - av_log (s->avctx, AV_LOG_DEBUG, "plane %d - correct ", i); - print_md5(s->avctx, AV_LOG_DEBUG, md5); - av_log (s->avctx, AV_LOG_DEBUG, "; "); - } else { - av_log (s->avctx, AV_LOG_ERROR, "mismatching checksum of plane %d - ", i); - print_md5(s->avctx, AV_LOG_ERROR, md5); - av_log (s->avctx, AV_LOG_ERROR, " != "); - print_md5(s->avctx, AV_LOG_ERROR, s->md5[i]); - av_log (s->avctx, AV_LOG_ERROR, "\n"); - return AVERROR_INVALIDDATA; - } - } - - av_log(s->avctx, AV_LOG_DEBUG, "\n"); - - return 0; -} - -static int hevc_decode_frame(AVCodecContext *avctx, void *data, int *got_output, - AVPacket *avpkt) -{ - int ret; - HEVCContext *s = avctx->priv_data; - - if (!avpkt->size) { - ret = ff_hevc_output_frame(s, data, 1); - if (ret < 0) - return ret; - - *got_output = ret; - return 0; - } - - s->ref = NULL; - ret = decode_nal_units(s, avpkt->data, avpkt->size); - if (ret < 0) - return ret; - - if (avctx->hwaccel) { - if (s->ref && avctx->hwaccel->end_frame(avctx) < 0) - av_log(avctx, AV_LOG_ERROR, - "hardware accelerator failed to decode picture\n"); - } else { - /* verify the SEI checksum */ - if (avctx->err_recognition & AV_EF_CRCCHECK && s->is_decoded && - s->is_md5) { - ret = verify_md5(s, s->ref->frame); - if (ret < 0 && avctx->err_recognition & AV_EF_EXPLODE) { - ff_hevc_unref_frame(s, s->ref, ~0); - return ret; - } - } - } - s->is_md5 = 0; - - if (s->is_decoded) { - av_log(avctx, AV_LOG_DEBUG, "Decoded frame with POC %d.\n", s->poc); - s->is_decoded = 0; - } - - if (s->output_frame->buf[0]) { - av_frame_move_ref(data, s->output_frame); - *got_output = 1; - } - - return avpkt->size; -} - -static int hevc_ref_frame(HEVCContext *s, HEVCFrame *dst, HEVCFrame *src) -{ - int ret = ff_thread_ref_frame(&dst->tf, &src->tf); - if (ret < 0) - return ret; - - dst->tab_mvf_buf = av_buffer_ref(src->tab_mvf_buf); - if (!dst->tab_mvf_buf) - goto fail; - dst->tab_mvf = src->tab_mvf; - - dst->rpl_tab_buf = av_buffer_ref(src->rpl_tab_buf); - if (!dst->rpl_tab_buf) - goto fail; - dst->rpl_tab = src->rpl_tab; - - dst->rpl_buf = av_buffer_ref(src->rpl_buf); - if (!dst->rpl_buf) - goto fail; - - dst->poc = src->poc; - dst->ctb_count = src->ctb_count; - dst->window = src->window; - dst->flags = src->flags; - dst->sequence = src->sequence; - - if (src->hwaccel_picture_private) { - dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf); - if (!dst->hwaccel_priv_buf) - goto fail; - dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data; - } - - return 0; -fail: - ff_hevc_unref_frame(s, dst, ~0); - return AVERROR(ENOMEM); -} - -static av_cold int hevc_decode_free(AVCodecContext *avctx) -{ - HEVCContext *s = avctx->priv_data; - int i; - - pic_arrays_free(s); - - av_freep(&s->md5_ctx); - - av_frame_free(&s->tmp_frame); - av_frame_free(&s->output_frame); - - for (i = 0; i < FF_ARRAY_ELEMS(s->DPB); i++) { - ff_hevc_unref_frame(s, &s->DPB[i], ~0); - av_frame_free(&s->DPB[i].frame); - } - - for (i = 0; i < FF_ARRAY_ELEMS(s->ps.vps_list); i++) - av_buffer_unref(&s->ps.vps_list[i]); - for (i = 0; i < FF_ARRAY_ELEMS(s->ps.sps_list); i++) - av_buffer_unref(&s->ps.sps_list[i]); - for (i = 0; i < FF_ARRAY_ELEMS(s->ps.pps_list); i++) - av_buffer_unref(&s->ps.pps_list[i]); - - ff_h2645_packet_uninit(&s->pkt); - - return 0; -} - -static av_cold int hevc_init_context(AVCodecContext *avctx) -{ - HEVCContext *s = avctx->priv_data; - int i; - - s->avctx = avctx; - - s->tmp_frame = av_frame_alloc(); - if (!s->tmp_frame) - goto fail; - - s->output_frame = av_frame_alloc(); - if (!s->output_frame) - goto fail; - - for (i = 0; i < FF_ARRAY_ELEMS(s->DPB); i++) { - s->DPB[i].frame = av_frame_alloc(); - if (!s->DPB[i].frame) - goto fail; - s->DPB[i].tf.f = s->DPB[i].frame; - } - - s->max_ra = INT_MAX; - - s->md5_ctx = av_md5_alloc(); - if (!s->md5_ctx) - goto fail; - - ff_bswapdsp_init(&s->bdsp); - - s->context_initialized = 1; - - return 0; - -fail: - hevc_decode_free(avctx); - return AVERROR(ENOMEM); -} - -static int hevc_update_thread_context(AVCodecContext *dst, - const AVCodecContext *src) -{ - HEVCContext *s = dst->priv_data; - HEVCContext *s0 = src->priv_data; - int i, ret; - - if (!s->context_initialized) { - ret = hevc_init_context(dst); - if (ret < 0) - return ret; - } - - for (i = 0; i < FF_ARRAY_ELEMS(s->DPB); i++) { - ff_hevc_unref_frame(s, &s->DPB[i], ~0); - if (s0->DPB[i].frame->buf[0]) { - ret = hevc_ref_frame(s, &s->DPB[i], &s0->DPB[i]); - if (ret < 0) - return ret; - } - } - - for (i = 0; i < FF_ARRAY_ELEMS(s->ps.vps_list); i++) { - av_buffer_unref(&s->ps.vps_list[i]); - if (s0->ps.vps_list[i]) { - s->ps.vps_list[i] = av_buffer_ref(s0->ps.vps_list[i]); - if (!s->ps.vps_list[i]) - return AVERROR(ENOMEM); - } - } - - for (i = 0; i < FF_ARRAY_ELEMS(s->ps.sps_list); i++) { - av_buffer_unref(&s->ps.sps_list[i]); - if (s0->ps.sps_list[i]) { - s->ps.sps_list[i] = av_buffer_ref(s0->ps.sps_list[i]); - if (!s->ps.sps_list[i]) - return AVERROR(ENOMEM); - } - } - - for (i = 0; i < FF_ARRAY_ELEMS(s->ps.pps_list); i++) { - av_buffer_unref(&s->ps.pps_list[i]); - if (s0->ps.pps_list[i]) { - s->ps.pps_list[i] = av_buffer_ref(s0->ps.pps_list[i]); - if (!s->ps.pps_list[i]) - return AVERROR(ENOMEM); - } - } - - if (s->ps.sps != s0->ps.sps) - ret = set_sps(s, s0->ps.sps); - - s->seq_decode = s0->seq_decode; - s->seq_output = s0->seq_output; - s->pocTid0 = s0->pocTid0; - s->max_ra = s0->max_ra; - - s->is_nalff = s0->is_nalff; - s->nal_length_size = s0->nal_length_size; - - if (s0->eos) { - s->seq_decode = (s->seq_decode + 1) & 0xff; - s->max_ra = INT_MAX; - } - - return 0; -} - -static int hevc_decode_extradata(HEVCContext *s) -{ - AVCodecContext *avctx = s->avctx; - GetByteContext gb; - int ret, i; - - bytestream2_init(&gb, avctx->extradata, avctx->extradata_size); - - if (avctx->extradata_size > 3 && - (avctx->extradata[0] || avctx->extradata[1] || - avctx->extradata[2] > 1)) { - /* It seems the extradata is encoded as hvcC format. - * Temporarily, we support configurationVersion==0 until 14496-15 3rd - * is finalized. When finalized, configurationVersion will be 1 and we - * can recognize hvcC by checking if avctx->extradata[0]==1 or not. */ - int i, j, num_arrays, nal_len_size; - - s->is_nalff = 1; - - bytestream2_skip(&gb, 21); - nal_len_size = (bytestream2_get_byte(&gb) & 3) + 1; - num_arrays = bytestream2_get_byte(&gb); - - /* nal units in the hvcC always have length coded with 2 bytes, - * so put a fake nal_length_size = 2 while parsing them */ - s->nal_length_size = 2; - - /* Decode nal units from hvcC. */ - for (i = 0; i < num_arrays; i++) { - int type = bytestream2_get_byte(&gb) & 0x3f; - int cnt = bytestream2_get_be16(&gb); - - for (j = 0; j < cnt; j++) { - // +2 for the nal size field - int nalsize = bytestream2_peek_be16(&gb) + 2; - if (bytestream2_get_bytes_left(&gb) < nalsize) { - av_log(s->avctx, AV_LOG_ERROR, - "Invalid NAL unit size in extradata.\n"); - return AVERROR_INVALIDDATA; - } - - ret = decode_nal_units(s, gb.buffer, nalsize); - if (ret < 0) { - av_log(avctx, AV_LOG_ERROR, - "Decoding nal unit %d %d from hvcC failed\n", - type, i); - return ret; - } - bytestream2_skip(&gb, nalsize); - } - } - - /* Now store right nal length size, that will be used to parse - * all other nals */ - s->nal_length_size = nal_len_size; - } else { - s->is_nalff = 0; - ret = decode_nal_units(s, avctx->extradata, avctx->extradata_size); - if (ret < 0) - return ret; - } - - /* export stream parameters from the first SPS */ - for (i = 0; i < FF_ARRAY_ELEMS(s->ps.sps_list); i++) { - if (s->ps.sps_list[i]) { - const HEVCSPS *sps = (const HEVCSPS*)s->ps.sps_list[i]->data; - export_stream_params(s->avctx, &s->ps, sps); - break; - } - } - - return 0; -} - -static av_cold int hevc_decode_init(AVCodecContext *avctx) -{ - HEVCContext *s = avctx->priv_data; - int ret; - - avctx->internal->allocate_progress = 1; - - ret = hevc_init_context(avctx); - if (ret < 0) - return ret; - - if (avctx->extradata_size > 0 && avctx->extradata) { - ret = hevc_decode_extradata(s); - if (ret < 0) { - hevc_decode_free(avctx); - return ret; - } - } - - return 0; -} - -static av_cold int hevc_init_thread_copy(AVCodecContext *avctx) -{ - HEVCContext *s = avctx->priv_data; - int ret; - - memset(s, 0, sizeof(*s)); - - ret = hevc_init_context(avctx); - if (ret < 0) - return ret; - - return 0; -} - -static void hevc_decode_flush(AVCodecContext *avctx) -{ - HEVCContext *s = avctx->priv_data; - ff_hevc_flush_dpb(s); - s->max_ra = INT_MAX; -} - -#define OFFSET(x) offsetof(HEVCContext, x) -#define PAR (AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM) - -static const AVOption options[] = { - { "apply_defdispwin", "Apply default display window from VUI", OFFSET(apply_defdispwin), - AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, PAR }, - { NULL }, -}; - -static const AVClass hevc_decoder_class = { - .class_name = "HEVC decoder", - .item_name = av_default_item_name, - .option = options, - .version = LIBAVUTIL_VERSION_INT, -}; - -AVCodec ff_hevc_decoder = { - .name = "hevc", - .long_name = NULL_IF_CONFIG_SMALL("HEVC (High Efficiency Video Coding)"), - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_HEVC, - .priv_data_size = sizeof(HEVCContext), - .priv_class = &hevc_decoder_class, - .init = hevc_decode_init, - .close = hevc_decode_free, - .decode = hevc_decode_frame, - .flush = hevc_decode_flush, - .update_thread_context = hevc_update_thread_context, - .init_thread_copy = hevc_init_thread_copy, - .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY | - AV_CODEC_CAP_FRAME_THREADS, - .profiles = NULL_IF_CONFIG_SMALL(ff_hevc_profiles), -}; |