FFmpeg coverage

GCC Code Coverage Report

Directory:	../../../ffmpeg/		Exec	Total	Coverage
File:	src/libavcodec/vp9mvs.c	Lines:	150	150	100.0 %
Date:	2021-04-14 23:45:22	Branches:	340	432	78.7 %


/*
 * VP9 compatible video decoder
 *
 * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
 * Copyright (C) 2013 Clément Bœsch <u pkh me>
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include "internal.h"
#include "vp56.h"
#include "vp9.h"
#include "vp9data.h"
#include "vp9dec.h"

static av_always_inline void clamp_mv(VP56mv *dst, const VP56mv *src,
                                      VP9TileData *td)
{
    dst->x = av_clip(src->x, td->min_mv.x, td->max_mv.x);
    dst->y = av_clip(src->y, td->min_mv.y, td->max_mv.y);
}

static void find_ref_mvs(VP9TileData *td,
                         VP56mv *pmv, int ref, int z, int idx, int sb)
{
    static const int8_t mv_ref_blk_off[N_BS_SIZES][8][2] = {
        [BS_64x64] = { {  3, -1 }, { -1,  3 }, {  4, -1 }, { -1,  4 },
                       { -1, -1 }, {  0, -1 }, { -1,  0 }, {  6, -1 } },
        [BS_64x32] = { {  0, -1 }, { -1,  0 }, {  4, -1 }, { -1,  2 },
                       { -1, -1 }, {  0, -3 }, { -3,  0 }, {  2, -1 } },
        [BS_32x64] = { { -1,  0 }, {  0, -1 }, { -1,  4 }, {  2, -1 },
                       { -1, -1 }, { -3,  0 }, {  0, -3 }, { -1,  2 } },
        [BS_32x32] = { {  1, -1 }, { -1,  1 }, {  2, -1 }, { -1,  2 },
                       { -1, -1 }, {  0, -3 }, { -3,  0 }, { -3, -3 } },
        [BS_32x16] = { {  0, -1 }, { -1,  0 }, {  2, -1 }, { -1, -1 },
                       { -1,  1 }, {  0, -3 }, { -3,  0 }, { -3, -3 } },
        [BS_16x32] = { { -1,  0 }, {  0, -1 }, { -1,  2 }, { -1, -1 },
                       {  1, -1 }, { -3,  0 }, {  0, -3 }, { -3, -3 } },
        [BS_16x16] = { {  0, -1 }, { -1,  0 }, {  1, -1 }, { -1,  1 },
                       { -1, -1 }, {  0, -3 }, { -3,  0 }, { -3, -3 } },
        [BS_16x8]  = { {  0, -1 }, { -1,  0 }, {  1, -1 }, { -1, -1 },
                       {  0, -2 }, { -2,  0 }, { -2, -1 }, { -1, -2 } },
        [BS_8x16]  = { { -1,  0 }, {  0, -1 }, { -1,  1 }, { -1, -1 },
                       { -2,  0 }, {  0, -2 }, { -1, -2 }, { -2, -1 } },
        [BS_8x8]   = { {  0, -1 }, { -1,  0 }, { -1, -1 }, {  0, -2 },
                       { -2,  0 }, { -1, -2 }, { -2, -1 }, { -2, -2 } },
        [BS_8x4]   = { {  0, -1 }, { -1,  0 }, { -1, -1 }, {  0, -2 },
                       { -2,  0 }, { -1, -2 }, { -2, -1 }, { -2, -2 } },
        [BS_4x8]   = { {  0, -1 }, { -1,  0 }, { -1, -1 }, {  0, -2 },
                       { -2,  0 }, { -1, -2 }, { -2, -1 }, { -2, -2 } },
        [BS_4x4]   = { {  0, -1 }, { -1,  0 }, { -1, -1 }, {  0, -2 },
                       { -2,  0 }, { -1, -2 }, { -2, -1 }, { -2, -2 } },
    };
    VP9Context *s = td->s;
    VP9Block *b = td->b;
    int row = td->row, col = td->col, row7 = td->row7;
    const int8_t (*p)[2] = mv_ref_blk_off[b->bs];
#define INVALID_MV 0x80008000U
    uint32_t mem = INVALID_MV, mem_sub8x8 = INVALID_MV;
    int i;

#define RETURN_DIRECT_MV(mv)                    \
    do {                                        \
        uint32_t m = AV_RN32A(&mv);             \
        if (!idx) {                             \
            AV_WN32A(pmv, m);                   \
            return;                             \
        } else if (mem == INVALID_MV) {         \
            mem = m;                            \
        } else if (m != mem) {                  \
            AV_WN32A(pmv, m);                   \
            return;                             \
        }                                       \
    } while (0)

    if (sb >= 0) {
        if (sb == 2 || sb == 1) {
            RETURN_DIRECT_MV(b->mv[0][z]);
        } else if (sb == 3) {
            RETURN_DIRECT_MV(b->mv[2][z]);
            RETURN_DIRECT_MV(b->mv[1][z]);
            RETURN_DIRECT_MV(b->mv[0][z]);
        }

#define RETURN_MV(mv)                                                  \
    do {                                                               \
        if (sb > 0) {                                                  \
            VP56mv tmp;                                                \
            uint32_t m;                                                \
            av_assert2(idx == 1);                                      \
            av_assert2(mem != INVALID_MV);                             \
            if (mem_sub8x8 == INVALID_MV) {                            \
                clamp_mv(&tmp, &mv, td);                               \
                m = AV_RN32A(&tmp);                                    \
                if (m != mem) {                                        \
                    AV_WN32A(pmv, m);                                  \
                    return;                                            \
                }                                                      \
                mem_sub8x8 = AV_RN32A(&mv);                            \
            } else if (mem_sub8x8 != AV_RN32A(&mv)) {                  \
                clamp_mv(&tmp, &mv, td);                               \
                m = AV_RN32A(&tmp);                                    \
                if (m != mem) {                                        \
                    AV_WN32A(pmv, m);                                  \
                } else {                                               \
                    /* BUG I'm pretty sure this isn't the intention */ \
                    AV_WN32A(pmv, 0);                                  \
                }                                                      \
                return;                                                \
            }                                                          \
        } else {                                                       \
            uint32_t m = AV_RN32A(&mv);                                \
            if (!idx) {                                                \
                clamp_mv(pmv, &mv, td);                                \
                return;                                                \
            } else if (mem == INVALID_MV) {                            \
                mem = m;                                               \
            } else if (m != mem) {                                     \
                clamp_mv(pmv, &mv, td);                                \
                return;                                                \
            }                                                          \
        }                                                              \
    } while (0)

        if (row > 0) {
            VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[(row - 1) * s->sb_cols * 8 + col];
            if (mv->ref[0] == ref)
                RETURN_MV(s->above_mv_ctx[2 * col + (sb & 1)][0]);
            else if (mv->ref[1] == ref)
                RETURN_MV(s->above_mv_ctx[2 * col + (sb & 1)][1]);
        }
        if (col > td->tile_col_start) {
            VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[row * s->sb_cols * 8 + col - 1];
            if (mv->ref[0] == ref)
                RETURN_MV(td->left_mv_ctx[2 * row7 + (sb >> 1)][0]);
            else if (mv->ref[1] == ref)
                RETURN_MV(td->left_mv_ctx[2 * row7 + (sb >> 1)][1]);
        }
        i = 2;
    } else {
        i = 0;
    }

    // previously coded MVs in this neighborhood, using same reference frame
    for (; i < 8; i++) {
        int c = p[i][0] + col, r = p[i][1] + row;

        if (c >= td->tile_col_start && c < s->cols &&
            r >= 0 && r < s->rows) {
            VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[r * s->sb_cols * 8 + c];

            if (mv->ref[0] == ref)
                RETURN_MV(mv->mv[0]);
            else if (mv->ref[1] == ref)
                RETURN_MV(mv->mv[1]);
        }
    }

    // MV at this position in previous frame, using same reference frame
    if (s->s.h.use_last_frame_mvs) {
        VP9mvrefPair *mv = &s->s.frames[REF_FRAME_MVPAIR].mv[row * s->sb_cols * 8 + col];

        if (!s->s.frames[REF_FRAME_MVPAIR].uses_2pass)
            ff_thread_await_progress(&s->s.frames[REF_FRAME_MVPAIR].tf, row >> 3, 0);
        if (mv->ref[0] == ref)
            RETURN_MV(mv->mv[0]);
        else if (mv->ref[1] == ref)
            RETURN_MV(mv->mv[1]);
    }

#define RETURN_SCALE_MV(mv, scale)              \
    do {                                        \
        if (scale) {                            \
            VP56mv mv_temp = { -mv.x, -mv.y };  \
            RETURN_MV(mv_temp);                 \
        } else {                                \
            RETURN_MV(mv);                      \
        }                                       \
    } while (0)

    // previously coded MVs in this neighborhood, using different reference frame
    for (i = 0; i < 8; i++) {
        int c = p[i][0] + col, r = p[i][1] + row;

        if (c >= td->tile_col_start && c < s->cols && r >= 0 && r < s->rows) {
            VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[r * s->sb_cols * 8 + c];

            if (mv->ref[0] != ref && mv->ref[0] >= 0)
                RETURN_SCALE_MV(mv->mv[0],
                                s->s.h.signbias[mv->ref[0]] != s->s.h.signbias[ref]);
            if (mv->ref[1] != ref && mv->ref[1] >= 0 &&
                // BUG - libvpx has this condition regardless of whether
                // we used the first ref MV and pre-scaling
                AV_RN32A(&mv->mv[0]) != AV_RN32A(&mv->mv[1])) {
                RETURN_SCALE_MV(mv->mv[1], s->s.h.signbias[mv->ref[1]] != s->s.h.signbias[ref]);
            }
        }
    }

    // MV at this position in previous frame, using different reference frame
    if (s->s.h.use_last_frame_mvs) {
        VP9mvrefPair *mv = &s->s.frames[REF_FRAME_MVPAIR].mv[row * s->sb_cols * 8 + col];

        // no need to await_progress, because we already did that above
        if (mv->ref[0] != ref && mv->ref[0] >= 0)
            RETURN_SCALE_MV(mv->mv[0], s->s.h.signbias[mv->ref[0]] != s->s.h.signbias[ref]);
        if (mv->ref[1] != ref && mv->ref[1] >= 0 &&
            // BUG - libvpx has this condition regardless of whether
            // we used the first ref MV and pre-scaling
            AV_RN32A(&mv->mv[0]) != AV_RN32A(&mv->mv[1])) {
            RETURN_SCALE_MV(mv->mv[1], s->s.h.signbias[mv->ref[1]] != s->s.h.signbias[ref]);
        }
    }

    AV_ZERO32(pmv);
    clamp_mv(pmv, pmv, td);
#undef INVALID_MV
#undef RETURN_MV
#undef RETURN_SCALE_MV
}

static av_always_inline int read_mv_component(VP9TileData *td, int idx, int hp)
{
    VP9Context *s = td->s;
    int bit, sign = vp56_rac_get_prob(td->c, s->prob.p.mv_comp[idx].sign);
    int n, c = vp8_rac_get_tree(td->c, ff_vp9_mv_class_tree,
                                s->prob.p.mv_comp[idx].classes);

    td->counts.mv_comp[idx].sign[sign]++;
    td->counts.mv_comp[idx].classes[c]++;
    if (c) {
        int m;

        for (n = 0, m = 0; m < c; m++) {
            bit = vp56_rac_get_prob(td->c, s->prob.p.mv_comp[idx].bits[m]);
            n |= bit << m;
            td->counts.mv_comp[idx].bits[m][bit]++;
        }
        n <<= 3;
        bit = vp8_rac_get_tree(td->c, ff_vp9_mv_fp_tree,
                               s->prob.p.mv_comp[idx].fp);
        n  |= bit << 1;
        td->counts.mv_comp[idx].fp[bit]++;
        if (hp) {
            bit = vp56_rac_get_prob(td->c, s->prob.p.mv_comp[idx].hp);
            td->counts.mv_comp[idx].hp[bit]++;
            n |= bit;
        } else {
            n |= 1;
            // bug in libvpx - we count for bw entropy purposes even if the
            // bit wasn't coded
            td->counts.mv_comp[idx].hp[1]++;
        }
        n += 8 << c;
    } else {
        n = vp56_rac_get_prob(td->c, s->prob.p.mv_comp[idx].class0);
        td->counts.mv_comp[idx].class0[n]++;
        bit = vp8_rac_get_tree(td->c, ff_vp9_mv_fp_tree,
                               s->prob.p.mv_comp[idx].class0_fp[n]);
        td->counts.mv_comp[idx].class0_fp[n][bit]++;
        n = (n << 3) | (bit << 1);
        if (hp) {
            bit = vp56_rac_get_prob(td->c, s->prob.p.mv_comp[idx].class0_hp);
            td->counts.mv_comp[idx].class0_hp[bit]++;
            n |= bit;
        } else {
            n |= 1;
            // bug in libvpx - we count for bw entropy purposes even if the
            // bit wasn't coded
            td->counts.mv_comp[idx].class0_hp[1]++;
        }
    }

    return sign ? -(n + 1) : (n + 1);
}

void ff_vp9_fill_mv(VP9TileData *td, VP56mv *mv, int mode, int sb)
{
    VP9Context *s = td->s;
    VP9Block *b = td->b;

    if (mode == ZEROMV) {
        AV_ZERO64(mv);
    } else {
        int hp;

        // FIXME cache this value and reuse for other subblocks
        find_ref_mvs(td, &mv[0], b->ref[0], 0, mode == NEARMV,
                     mode == NEWMV ? -1 : sb);
        // FIXME maybe move this code into find_ref_mvs()
        if ((mode == NEWMV || sb == -1) &&
            !(hp = s->s.h.highprecisionmvs &&
              abs(mv[0].x) < 64 && abs(mv[0].y) < 64)) {
            if (mv[0].y & 1) {
                if (mv[0].y < 0)
                    mv[0].y++;
                else
                    mv[0].y--;
            }
            if (mv[0].x & 1) {
                if (mv[0].x < 0)
                    mv[0].x++;
                else
                    mv[0].x--;
            }
        }
        if (mode == NEWMV) {
            enum MVJoint j = vp8_rac_get_tree(td->c, ff_vp9_mv_joint_tree,
                                              s->prob.p.mv_joint);

            td->counts.mv_joint[j]++;
            if (j >= MV_JOINT_V)
                mv[0].y += read_mv_component(td, 0, hp);
            if (j & 1)
                mv[0].x += read_mv_component(td, 1, hp);
        }

        if (b->comp) {
            // FIXME cache this value and reuse for other subblocks
            find_ref_mvs(td, &mv[1], b->ref[1], 1, mode == NEARMV,
                         mode == NEWMV ? -1 : sb);
            if ((mode == NEWMV || sb == -1) &&
                !(hp = s->s.h.highprecisionmvs &&
                  abs(mv[1].x) < 64 && abs(mv[1].y) < 64)) {
                if (mv[1].y & 1) {
                    if (mv[1].y < 0)
                        mv[1].y++;
                    else
                        mv[1].y--;
                }
                if (mv[1].x & 1) {
                    if (mv[1].x < 0)
                        mv[1].x++;
                    else
                        mv[1].x--;
                }
            }
            if (mode == NEWMV) {
                enum MVJoint j = vp8_rac_get_tree(td->c, ff_vp9_mv_joint_tree,
                                                  s->prob.p.mv_joint);

                td->counts.mv_joint[j]++;
                if (j >= MV_JOINT_V)
                    mv[1].y += read_mv_component(td, 0, hp);
                if (j & 1)
                    mv[1].x += read_mv_component(td, 1, hp);
            }
        }
    }
}


Generated by: GCOVR (Version 4.2)

Line	Branch	Exec	Source
1			/*
2			* VP9 compatible video decoder
3			*
4			* Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
5			* Copyright (C) 2013 Clément Bœsch <u pkh me>
6			*
7			* This file is part of FFmpeg.
8			*
9			* FFmpeg is free software; you can redistribute it and/or
10			* modify it under the terms of the GNU Lesser General Public
11			* License as published by the Free Software Foundation; either
12			* version 2.1 of the License, or (at your option) any later version.
13			*
14			* FFmpeg is distributed in the hope that it will be useful,
15			* but WITHOUT ANY WARRANTY; without even the implied warranty of
16			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17			* Lesser General Public License for more details.
18			*
19			* You should have received a copy of the GNU Lesser General Public
20			* License along with FFmpeg; if not, write to the Free Software
21			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22			*/
23
24			#include "internal.h"
25			#include "vp56.h"
26			#include "vp9.h"
27			#include "vp9data.h"
28			#include "vp9dec.h"
29
30		610499	static av_always_inline void clamp_mv(VP56mv dst, const VP56mv src,
31			VP9TileData *td)
32			{
33		610499	dst->x = av_clip(src->x, td->min_mv.x, td->max_mv.x);
34		610499	dst->y = av_clip(src->y, td->min_mv.y, td->max_mv.y);
35		610499	}
36
37		629638	static void find_ref_mvs(VP9TileData *td,
38			VP56mv *pmv, int ref, int z, int idx, int sb)
39			{
40			static const int8_t mv_ref_blk_off[N_BS_SIZES][8][2] = {
41			[BS_64x64] = { { 3, -1 }, { -1, 3 }, { 4, -1 }, { -1, 4 },
42			{ -1, -1 }, { 0, -1 }, { -1, 0 }, { 6, -1 } },
43			[BS_64x32] = { { 0, -1 }, { -1, 0 }, { 4, -1 }, { -1, 2 },
44			{ -1, -1 }, { 0, -3 }, { -3, 0 }, { 2, -1 } },
45			[BS_32x64] = { { -1, 0 }, { 0, -1 }, { -1, 4 }, { 2, -1 },
46			{ -1, -1 }, { -3, 0 }, { 0, -3 }, { -1, 2 } },
47			[BS_32x32] = { { 1, -1 }, { -1, 1 }, { 2, -1 }, { -1, 2 },
48			{ -1, -1 }, { 0, -3 }, { -3, 0 }, { -3, -3 } },
49			[BS_32x16] = { { 0, -1 }, { -1, 0 }, { 2, -1 }, { -1, -1 },
50			{ -1, 1 }, { 0, -3 }, { -3, 0 }, { -3, -3 } },
51			[BS_16x32] = { { -1, 0 }, { 0, -1 }, { -1, 2 }, { -1, -1 },
52			{ 1, -1 }, { -3, 0 }, { 0, -3 }, { -3, -3 } },
53			[BS_16x16] = { { 0, -1 }, { -1, 0 }, { 1, -1 }, { -1, 1 },
54			{ -1, -1 }, { 0, -3 }, { -3, 0 }, { -3, -3 } },
55			[BS_16x8] = { { 0, -1 }, { -1, 0 }, { 1, -1 }, { -1, -1 },
56			{ 0, -2 }, { -2, 0 }, { -2, -1 }, { -1, -2 } },
57			[BS_8x16] = { { -1, 0 }, { 0, -1 }, { -1, 1 }, { -1, -1 },
58			{ -2, 0 }, { 0, -2 }, { -1, -2 }, { -2, -1 } },
59			[BS_8x8] = { { 0, -1 }, { -1, 0 }, { -1, -1 }, { 0, -2 },
60			{ -2, 0 }, { -1, -2 }, { -2, -1 }, { -2, -2 } },
61			[BS_8x4] = { { 0, -1 }, { -1, 0 }, { -1, -1 }, { 0, -2 },
62			{ -2, 0 }, { -1, -2 }, { -2, -1 }, { -2, -2 } },
63			[BS_4x8] = { { 0, -1 }, { -1, 0 }, { -1, -1 }, { 0, -2 },
64			{ -2, 0 }, { -1, -2 }, { -2, -1 }, { -2, -2 } },
65			[BS_4x4] = { { 0, -1 }, { -1, 0 }, { -1, -1 }, { 0, -2 },
66			{ -2, 0 }, { -1, -2 }, { -2, -1 }, { -2, -2 } },
67			};
68		629638	VP9Context *s = td->s;
69		629638	VP9Block *b = td->b;
70		629638	int row = td->row, col = td->col, row7 = td->row7;
71		629638	const int8_t (*p)[2] = mv_ref_blk_off[b->bs];
72			#define INVALID_MV 0x80008000U
73		629638	uint32_t mem = INVALID_MV, mem_sub8x8 = INVALID_MV;
74			int i;
75
76			#define RETURN_DIRECT_MV(mv) \
77			do { \
78			uint32_t m = AV_RN32A(&mv); \
79			if (!idx) { \
80			AV_WN32A(pmv, m); \
81			return; \
82			} else if (mem == INVALID_MV) { \
83			mem = m; \
84			} else if (m != mem) { \
85			AV_WN32A(pmv, m); \
86			return; \
87			} \
88			} while (0)
89
90	✓✓	629638	if (sb >= 0) {
91	✓✓✓✓	71719	if (sb == 2 \|\| sb == 1) {
92	✓✓✓✗ ✗✗	33364	RETURN_DIRECT_MV(b->mv[0][z]);
93	✓✓	38355	} else if (sb == 3) {
94	✓✓✓✗ ✗✗	9994	RETURN_DIRECT_MV(b->mv[2][z]);
95	✗✓✗✓ ✓✓	3598	RETURN_DIRECT_MV(b->mv[1][z]);
96	✗✓✗✓ ✓✓	596	RETURN_DIRECT_MV(b->mv[0][z]);
97			}
98
99			#define RETURN_MV(mv) \
100			do { \
101			if (sb > 0) { \
102			VP56mv tmp; \
103			uint32_t m; \
104			av_assert2(idx == 1); \
105			av_assert2(mem != INVALID_MV); \
106			if (mem_sub8x8 == INVALID_MV) { \
107			clamp_mv(&tmp, &mv, td); \
108			m = AV_RN32A(&tmp); \
109			if (m != mem) { \
110			AV_WN32A(pmv, m); \
111			return; \
112			} \
113			mem_sub8x8 = AV_RN32A(&mv); \
114			} else if (mem_sub8x8 != AV_RN32A(&mv)) { \
115			clamp_mv(&tmp, &mv, td); \
116			m = AV_RN32A(&tmp); \
117			if (m != mem) { \
118			AV_WN32A(pmv, m); \
119			} else { \
120			/* BUG I'm pretty sure this isn't the intention */ \
121			AV_WN32A(pmv, 0); \
122			} \
123			return; \
124			} \
125			} else { \
126			uint32_t m = AV_RN32A(&mv); \
127			if (!idx) { \
128			clamp_mv(pmv, &mv, td); \
129			return; \
130			} else if (mem == INVALID_MV) { \
131			mem = m; \
132			} else if (m != mem) { \
133			clamp_mv(pmv, &mv, td); \
134			return; \
135			} \
136			} \
137			} while (0)
138
139	✓✓	47728	if (row > 0) {
140		37408	VP9mvrefPair mv = &s->s.frames[CUR_FRAME].mv[(row - 1) s->sb_cols * 8 + col];
141	✓✓	37408	if (mv->ref[0] == ref)
142	✓✓✓✗ ✓✓✗✗ ✗✗✓✓ ✓✗✗✗	32790	RETURN_MV(s->above_mv_ctx[2 * col + (sb & 1)][0]);
143	✓✓	4618	else if (mv->ref[1] == ref)
144	✓✓✓✗ ✓✓✗✗ ✗✗✓✓ ✓✗✗✗	677	RETURN_MV(s->above_mv_ctx[2 * col + (sb & 1)][1]);
145			}
146	✓✓	25899	if (col > td->tile_col_start) {
147		25241	VP9mvrefPair mv = &s->s.frames[CUR_FRAME].mv[row s->sb_cols * 8 + col - 1];
148	✓✓	25241	if (mv->ref[0] == ref)
149	✓✓✓✓ ✓✓✓✓ ✓✗✓✓ ✓✓✓✓	22765	RETURN_MV(td->left_mv_ctx[2 * row7 + (sb >> 1)][0]);
150	✓✓	2476	else if (mv->ref[1] == ref)
151	✓✓✓✓ ✓✓✓✓ ✓✗✓✓ ✓✓✓✓	363	RETURN_MV(td->left_mv_ctx[2 * row7 + (sb >> 1)][1]);
152			}
153		5616	i = 2;
154			} else {
155		557919	i = 0;
156			}
157
158			// previously coded MVs in this neighborhood, using same reference frame
159	✓✓	986772	for (; i < 8; i++) {
160		963971	int c = p[i][0] + col, r = p[i][1] + row;
161
162	✓✓✓✓ ✓✓	963971	if (c >= td->tile_col_start && c < s->cols &&
163	✓✓	878874	r >= 0 && r < s->rows) {
164		878852	VP9mvrefPair mv = &s->s.frames[CUR_FRAME].mv[r s->sb_cols * 8 + c];
165
166	✓✓	878852	if (mv->ref[0] == ref)
167	✓✓✓✓ ✓✓✓✓ ✓✗✓✓ ✓✓✓✓	650180	RETURN_MV(mv->mv[0]);
168	✓✓	228672	else if (mv->ref[1] == ref)
169	✓✓✓✓ ✓✓✓✓ ✓✗✓✓ ✓✓✓✓	36239	RETURN_MV(mv->mv[1]);
170			}
171			}
172
173			// MV at this position in previous frame, using same reference frame
174	✓✓	22801	if (s->s.h.use_last_frame_mvs) {
175		21751	VP9mvrefPair mv = &s->s.frames[REF_FRAME_MVPAIR].mv[row s->sb_cols * 8 + col];
176
177	✓✗	21751	if (!s->s.frames[REF_FRAME_MVPAIR].uses_2pass)
178		21751	ff_thread_await_progress(&s->s.frames[REF_FRAME_MVPAIR].tf, row >> 3, 0);
179	✓✓	21751	if (mv->ref[0] == ref)
180	✓✓✓✓ ✓✓✓✓ ✓✗✓✓ ✓✓✓✓	9486	RETURN_MV(mv->mv[0]);
181	✓✓	12265	else if (mv->ref[1] == ref)
182	✓✓✓✓ ✓✗✓✗ ✓✗✓✓ ✓✓✓✓	296	RETURN_MV(mv->mv[1]);
183			}
184
185			#define RETURN_SCALE_MV(mv, scale) \
186			do { \
187			if (scale) { \
188			VP56mv mv_temp = { -mv.x, -mv.y }; \
189			RETURN_MV(mv_temp); \
190			} else { \
191			RETURN_MV(mv); \
192			} \
193			} while (0)
194
195			// previously coded MVs in this neighborhood, using different reference frame
196	✓✓	41238	for (i = 0; i < 8; i++) {
197		38386	int c = p[i][0] + col, r = p[i][1] + row;
198
199	✓✓✓✓ ✓✓✓✓	38386	if (c >= td->tile_col_start && c < s->cols && r >= 0 && r < s->rows) {
200		23724	VP9mvrefPair mv = &s->s.frames[CUR_FRAME].mv[r s->sb_cols * 8 + c];
201
202	✓✓✓✓	23724	if (mv->ref[0] != ref && mv->ref[0] >= 0)
203	✓✓✓✓ ✓✓✓✓ ✓✓✓✗ ✓✓✓✓ ✓✓✓✓ ✓✓✓✓ ✓✓✓✗ ✓✓✓✓ ✓✓	12406	RETURN_SCALE_MV(mv->mv[0],
204			s->s.h.signbias[mv->ref[0]] != s->s.h.signbias[ref]);
205	✓✓✓✓	13067	if (mv->ref[1] != ref && mv->ref[1] >= 0 &&
206			// BUG - libvpx has this condition regardless of whether
207			// we used the first ref MV and pre-scaling
208	✓✓	134	AV_RN32A(&mv->mv[0]) != AV_RN32A(&mv->mv[1])) {
209	✓✗✓✓ ✗✓✗✗ ✓✓✓✗ ✗✓✗✓ ✓✓✗✗ ✗✗✗✗ ✗✗✗✗ ✗✗✗✗ ✗✗	92	RETURN_SCALE_MV(mv->mv[1], s->s.h.signbias[mv->ref[1]] != s->s.h.signbias[ref]);
210			}
211			}
212			}
213
214			// MV at this position in previous frame, using different reference frame
215	✓✓	2852	if (s->s.h.use_last_frame_mvs) {
216		2650	VP9mvrefPair mv = &s->s.frames[REF_FRAME_MVPAIR].mv[row s->sb_cols * 8 + col];
217
218			// no need to await_progress, because we already did that above
219	✓✓✓✓	2650	if (mv->ref[0] != ref && mv->ref[0] >= 0)
220	✓✓✓✓ ✓✓✓✓ ✓✗✓✗ ✓✓✓✓ ✓✓✓✓ ✓✓✓✓ ✓✓✓✗ ✓✓✓✓ ✓✓	1497	RETURN_SCALE_MV(mv->mv[0], s->s.h.signbias[mv->ref[0]] != s->s.h.signbias[ref]);
221	✓✓✓✓	1232	if (mv->ref[1] != ref && mv->ref[1] >= 0 &&
222			// BUG - libvpx has this condition regardless of whether
223			// we used the first ref MV and pre-scaling
224	✓✗	5	AV_RN32A(&mv->mv[0]) != AV_RN32A(&mv->mv[1])) {
225	✓✗✗✓ ✗✗✗✗ ✗✗✗✗ ✗✓✗✓ ✓✓✗✗ ✗✗✗✗ ✗✗✗✗ ✗✗✗✗ ✗✗	5	RETURN_SCALE_MV(mv->mv[1], s->s.h.signbias[mv->ref[1]] != s->s.h.signbias[ref]);
226			}
227			}
228
229		1430	AV_ZERO32(pmv);
230		1430	clamp_mv(pmv, pmv, td);
231			#undef INVALID_MV
232			#undef RETURN_MV
233			#undef RETURN_SCALE_MV
234			}
235
236		418761	static av_always_inline int read_mv_component(VP9TileData *td, int idx, int hp)
237			{
238		418761	VP9Context *s = td->s;
239		418761	int bit, sign = vp56_rac_get_prob(td->c, s->prob.p.mv_comp[idx].sign);
240		418761	int n, c = vp8_rac_get_tree(td->c, ff_vp9_mv_class_tree,
241		418761	s->prob.p.mv_comp[idx].classes);
242
243		418761	td->counts.mv_comp[idx].sign[sign]++;
244		418761	td->counts.mv_comp[idx].classes[c]++;
245	✓✓	418761	if (c) {
246			int m;
247
248	✓✓	155253	for (n = 0, m = 0; m < c; m++) {
249		102271	bit = vp56_rac_get_prob(td->c, s->prob.p.mv_comp[idx].bits[m]);
250		102271	n \|= bit << m;
251		102271	td->counts.mv_comp[idx].bits[m][bit]++;
252			}
253		52982	n <<= 3;
254		52982	bit = vp8_rac_get_tree(td->c, ff_vp9_mv_fp_tree,
255		52982	s->prob.p.mv_comp[idx].fp);
256		52982	n \|= bit << 1;
257		52982	td->counts.mv_comp[idx].fp[bit]++;
258	✓✓	52982	if (hp) {
259		28467	bit = vp56_rac_get_prob(td->c, s->prob.p.mv_comp[idx].hp);
260		28467	td->counts.mv_comp[idx].hp[bit]++;
261		28467	n \|= bit;
262			} else {
263		24515	n \|= 1;
264			// bug in libvpx - we count for bw entropy purposes even if the
265			// bit wasn't coded
266		24515	td->counts.mv_comp[idx].hp[1]++;
267			}
268		52982	n += 8 << c;
269			} else {
270		365779	n = vp56_rac_get_prob(td->c, s->prob.p.mv_comp[idx].class0);
271		365779	td->counts.mv_comp[idx].class0[n]++;
272		365779	bit = vp8_rac_get_tree(td->c, ff_vp9_mv_fp_tree,
273		365779	s->prob.p.mv_comp[idx].class0_fp[n]);
274		365779	td->counts.mv_comp[idx].class0_fp[n][bit]++;
275		365779	n = (n << 3) \| (bit << 1);
276	✓✓	365779	if (hp) {
277		190893	bit = vp56_rac_get_prob(td->c, s->prob.p.mv_comp[idx].class0_hp);
278		190893	td->counts.mv_comp[idx].class0_hp[bit]++;
279		190893	n \|= bit;
280			} else {
281		174886	n \|= 1;
282			// bug in libvpx - we count for bw entropy purposes even if the
283			// bit wasn't coded
284		174886	td->counts.mv_comp[idx].class0_hp[1]++;
285			}
286			}
287
288	✓✓	418761	return sign ? -(n + 1) : (n + 1);
289			}
290
291		612526	void ff_vp9_fill_mv(VP9TileData td, VP56mv mv, int mode, int sb)
292			{
293		612526	VP9Context *s = td->s;
294		612526	VP9Block *b = td->b;
295
296	✓✓	612526	if (mode == ZEROMV) {
297		10887	AV_ZERO64(mv);
298			} else {
299			int hp;
300
301			// FIXME cache this value and reuse for other subblocks
302	✓✓	601639	find_ref_mvs(td, &mv[0], b->ref[0], 0, mode == NEARMV,
303			mode == NEWMV ? -1 : sb);
304			// FIXME maybe move this code into find_ref_mvs()
305	✓✓✓✓	601639	if ((mode == NEWMV \|\| sb == -1) &&
306	✓✓	531330	!(hp = s->s.h.highprecisionmvs &&
307	✓✓✓✓ ✓✓	531330	abs(mv[0].x) < 64 && abs(mv[0].y) < 64)) {
308	✓✓	246465	if (mv[0].y & 1) {
309	✓✓	1747	if (mv[0].y < 0)
310		734	mv[0].y++;
311			else
312		1013	mv[0].y--;
313			}
314	✓✓	246465	if (mv[0].x & 1) {
315	✓✓	2198	if (mv[0].x < 0)
316		767	mv[0].x++;
317			else
318		1431	mv[0].x--;
319			}
320			}
321	✓✓	601639	if (mode == NEWMV) {
322		533544	enum MVJoint j = vp8_rac_get_tree(td->c, ff_vp9_mv_joint_tree,
323		266772	s->prob.p.mv_joint);
324
325		266772	td->counts.mv_joint[j]++;
326	✓✓	266772	if (j >= MV_JOINT_V)
327		221012	mv[0].y += read_mv_component(td, 0, hp);
328	✓✓	266772	if (j & 1)
329		177279	mv[0].x += read_mv_component(td, 1, hp);
330			}
331
332	✓✓	601639	if (b->comp) {
333			// FIXME cache this value and reuse for other subblocks
334	✓✓	27999	find_ref_mvs(td, &mv[1], b->ref[1], 1, mode == NEARMV,
335			mode == NEWMV ? -1 : sb);
336	✓✓✓✓	27999	if ((mode == NEWMV \|\| sb == -1) &&
337	✓✓	26589	!(hp = s->s.h.highprecisionmvs &&
338	✓✓✓✓ ✓✓	26589	abs(mv[1].x) < 64 && abs(mv[1].y) < 64)) {
339	✓✓	17957	if (mv[1].y & 1) {
340	✓✓	80	if (mv[1].y < 0)
341		30	mv[1].y++;
342			else
343		50	mv[1].y--;
344			}
345	✓✓	17957	if (mv[1].x & 1) {
346	✓✓	64	if (mv[1].x < 0)
347		54	mv[1].x++;
348			else
349		10	mv[1].x--;
350			}
351			}
352	✓✓	27999	if (mode == NEWMV) {
353		26738	enum MVJoint j = vp8_rac_get_tree(td->c, ff_vp9_mv_joint_tree,
354		13369	s->prob.p.mv_joint);
355
356		13369	td->counts.mv_joint[j]++;
357	✓✓	13369	if (j >= MV_JOINT_V)
358		10926	mv[1].y += read_mv_component(td, 0, hp);
359	✓✓	13369	if (j & 1)
360		9544	mv[1].x += read_mv_component(td, 1, hp);
361			}
362			}
363			}
364		612526	}