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avcodec/vc1: fix out-of-bounds reference pixel replication 

Out-of-bounds reference pixel replication should take into account the frame
coding mode of the reference frame(s), not the frame coding mode of the
current frame.

Signed-off-by: Jerome Borsboom <jerome.borsboom@carpalis.nl>
tags/n4.1
Jerome Borsboom Carl Eugen Hoyos 7 years ago
parent
37abfe8c2d
commit
f56a0b02cd
1 changed files with 385 additions and 283 deletions
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  1. +385
    -283
      libavcodec/vc1_mc.c

+ 385
- 283
libavcodec/vc1_mc.c View File

@@ -179,12 +179,17 @@ void ff_vc1_mc_1mv(VC1Context *v, int dir)
int i;
uint8_t (*luty)[256], (*lutuv)[256];
int use_ic;
int interlace;
int linesize, uvlinesize;

if ((!v->field_mode ||
(v->ref_field_type[dir] == 1 && v->cur_field_type == 1)) &&
!v->s.last_picture.f->data[0])
return;

linesize = s->current_picture_ptr->f->linesize[0];
uvlinesize = s->current_picture_ptr->f->linesize[1];

mx = s->mv[dir][0][0];
my = s->mv[dir][0][1];

@@ -220,6 +225,7 @@ void ff_vc1_mc_1mv(VC1Context *v, int dir)
luty = v->curr_luty;
lutuv = v->curr_lutuv;
use_ic = *v->curr_use_ic;
interlace = 1;
} else {
srcY = s->last_picture.f->data[0];
srcU = s->last_picture.f->data[1];
@@ -227,6 +233,7 @@ void ff_vc1_mc_1mv(VC1Context *v, int dir)
luty = v->last_luty;
lutuv = v->last_lutuv;
use_ic = v->last_use_ic;
interlace = s->last_picture.f->interlaced_frame;
}
} else {
srcY = s->next_picture.f->data[0];
@@ -235,6 +242,7 @@ void ff_vc1_mc_1mv(VC1Context *v, int dir)
luty = v->next_luty;
lutuv = v->next_lutuv;
use_ic = v->next_use_ic;
interlace = s->next_picture.f->interlaced_frame;
}

if (!srcY || !srcU) {
@@ -269,9 +277,9 @@ void ff_vc1_mc_1mv(VC1Context *v, int dir)
srcV += uvsrc_y * s->uvlinesize + uvsrc_x;

if (v->field_mode && v->ref_field_type[dir]) {
srcY += s->current_picture_ptr->f->linesize[0];
srcU += s->current_picture_ptr->f->linesize[1];
srcV += s->current_picture_ptr->f->linesize[2];
srcY += linesize;
srcU += uvlinesize;
srcV += uvlinesize;
}

/* for grayscale we should not try to read from unknown area */
@@ -289,112 +297,105 @@ void ff_vc1_mc_1mv(VC1Context *v, int dir)
const int k = 17 + s->mspel * 2;

srcY -= s->mspel * (1 + s->linesize);
if (v->fcm == ILACE_FRAME) {
if (src_y - s->mspel & 1) {
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
srcY,
2 * s->linesize,
2 * s->linesize,
k,
k + 1 >> 1,
src_x - s->mspel,
src_y - s->mspel >> 1,
s->h_edge_pos,
v_edge_pos + 1 >> 1);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + s->linesize,
srcY + s->linesize,
2 * s->linesize,
2 * s->linesize,
k,
k >> 1,
src_x - s->mspel,
src_y - s->mspel + 1 >> 1,
s->h_edge_pos,
v_edge_pos >> 1);
} else {
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
srcY,
2 * s->linesize,
2 * s->linesize,
k,
k + 1 >> 1,
src_x - s->mspel,
src_y - s->mspel >> 1,
s->h_edge_pos,
v_edge_pos >> 1);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + s->linesize,
srcY + s->linesize,
2 * s->linesize,
2 * s->linesize,
if (interlace) {
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
srcY,
linesize << 1,
linesize << 1,
k,
v->field_mode ? k : k + 1 >> 1,
src_x - s->mspel,
src_y - s->mspel >> !v->field_mode,
s->h_edge_pos,
s->v_edge_pos >> 1);
if (!v->field_mode)
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + linesize,
srcY + linesize,
linesize << 1,
linesize << 1,
k,
k >> 1,
src_x - s->mspel,
src_y - s->mspel + 1 >> 1,
s->h_edge_pos,
v_edge_pos + 1 >> 1);
}
s->v_edge_pos >> 1);
} else
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, srcY,
s->linesize, s->linesize,
k, k,
src_x - s->mspel, src_y - s->mspel,
s->h_edge_pos, v_edge_pos);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
srcY,
linesize,
linesize,
k,
v->field_mode ? (k << 1) - 1 : k,
src_x - s->mspel,
v->field_mode ? 2 * (src_y - s->mspel) + v->ref_field_type[dir] :
src_y - s->mspel,
s->h_edge_pos,
s->v_edge_pos);
srcY = s->sc.edge_emu_buffer;
if (v->fcm == ILACE_FRAME) {
if (uvsrc_y & 1) {
s->vdsp.emulated_edge_mc(ubuf, srcU,
2 * s->uvlinesize, 2 * s->uvlinesize,
8 + 1, 5,
uvsrc_x, uvsrc_y >> 1,
s->h_edge_pos >> 1, (v_edge_pos >> 1) + 1 >> 1);
s->vdsp.emulated_edge_mc(ubuf + s->uvlinesize, srcU + s->uvlinesize,
2 * s->uvlinesize, 2 * s->uvlinesize,
8 + 1, 4,
uvsrc_x, uvsrc_y + 1 >> 1,
s->h_edge_pos >> 1, (v_edge_pos >> 1) >> 1);
s->vdsp.emulated_edge_mc(vbuf, srcV,
2 * s->uvlinesize, 2 * s->uvlinesize,
8 + 1, 5,
uvsrc_x, uvsrc_y >> 1,
s->h_edge_pos >> 1, (v_edge_pos >> 1) + 1 >> 1);
s->vdsp.emulated_edge_mc(vbuf + s->uvlinesize, srcV + s->uvlinesize,
2 * s->uvlinesize, 2 * s->uvlinesize,
8 + 1, 4,
uvsrc_x, uvsrc_y + 1 >> 1,
s->h_edge_pos >> 1, (v_edge_pos >> 1) >> 1);
} else {
s->vdsp.emulated_edge_mc(ubuf, srcU,
2 * s->uvlinesize, 2 * s->uvlinesize,
8 + 1, 5,
uvsrc_x, uvsrc_y >> 1,
s->h_edge_pos >> 1, (v_edge_pos >> 1) >> 1);
s->vdsp.emulated_edge_mc(ubuf + s->uvlinesize, srcU + s->uvlinesize,
2 * s->uvlinesize, 2 * s->uvlinesize,
8 + 1, 4,
uvsrc_x, uvsrc_y + 1 >> 1,
s->h_edge_pos >> 1, (v_edge_pos >> 1) + 1 >> 1);
s->vdsp.emulated_edge_mc(vbuf, srcV,
2 * s->uvlinesize, 2 * s->uvlinesize,
8 + 1, 5,
uvsrc_x, uvsrc_y >> 1,
s->h_edge_pos >> 1, (v_edge_pos >> 1) >> 1);
s->vdsp.emulated_edge_mc(vbuf + s->uvlinesize, srcV + s->uvlinesize,
2 * s->uvlinesize, 2 * s->uvlinesize,
8 + 1, 4,
uvsrc_x, uvsrc_y + 1 >> 1,
s->h_edge_pos >> 1, (v_edge_pos >> 1) + 1 >> 1);
if (interlace) {
s->vdsp.emulated_edge_mc(ubuf,
srcU,
uvlinesize << 1,
uvlinesize << 1,
9,
v->field_mode ? 9 : 5,
uvsrc_x,
uvsrc_y >> !v->field_mode,
s->h_edge_pos >> 1,
s->v_edge_pos >> 2);
s->vdsp.emulated_edge_mc(vbuf,
srcV,
uvlinesize << 1,
uvlinesize << 1,
9,
v->field_mode ? 9 : 5,
uvsrc_x,
uvsrc_y >> !v->field_mode,
s->h_edge_pos >> 1,
s->v_edge_pos >> 2);
if (!v->field_mode) {
s->vdsp.emulated_edge_mc(ubuf + uvlinesize,
srcU + uvlinesize,
uvlinesize << 1,
uvlinesize << 1,
9,
4,
uvsrc_x,
uvsrc_y + 1 >> 1,
s->h_edge_pos >> 1,
s->v_edge_pos >> 2);
s->vdsp.emulated_edge_mc(vbuf + uvlinesize,
srcV + uvlinesize,
uvlinesize << 1,
uvlinesize << 1,
9,
4,
uvsrc_x,
uvsrc_y + 1 >> 1,
s->h_edge_pos >> 1,
s->v_edge_pos >> 2);
}
} else {
s->vdsp.emulated_edge_mc(ubuf, srcU,
s->uvlinesize, s->uvlinesize,
8 + 1, 8 + 1,
uvsrc_x, uvsrc_y,
s->h_edge_pos >> 1, v_edge_pos >> 1);
s->vdsp.emulated_edge_mc(vbuf, srcV,
s->uvlinesize, s->uvlinesize,
8 + 1, 8 + 1,
uvsrc_x, uvsrc_y,
s->h_edge_pos >> 1, v_edge_pos >> 1);
s->vdsp.emulated_edge_mc(ubuf,
srcU,
uvlinesize,
uvlinesize,
9,
v->field_mode ? 17 : 9,
uvsrc_x,
v->field_mode ? 2 * uvsrc_y + v->ref_field_type[dir] : uvsrc_y,
s->h_edge_pos >> 1,
s->v_edge_pos >> 1);
s->vdsp.emulated_edge_mc(vbuf,
srcV,
uvlinesize,
uvlinesize,
9,
v->field_mode ? 17 : 9,
uvsrc_x,
v->field_mode ? 2 * uvsrc_y + v->ref_field_type[dir] : uvsrc_y,
s->h_edge_pos >> 1,
s->v_edge_pos >> 1);
}
srcU = ubuf;
srcV = vbuf;
@@ -458,12 +459,16 @@ void ff_vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg)
int v_edge_pos = s->v_edge_pos >> v->field_mode;
uint8_t (*luty)[256];
int use_ic;
int interlace;
int linesize;

if ((!v->field_mode ||
(v->ref_field_type[dir] == 1 && v->cur_field_type == 1)) &&
!v->s.last_picture.f->data[0])
return;

linesize = s->current_picture_ptr->f->linesize[0];

mx = s->mv[dir][n][0];
my = s->mv[dir][n][1];

@@ -472,15 +477,18 @@ void ff_vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg)
srcY = s->current_picture.f->data[0];
luty = v->curr_luty;
use_ic = *v->curr_use_ic;
interlace = 1;
} else {
srcY = s->last_picture.f->data[0];
luty = v->last_luty;
use_ic = v->last_use_ic;
interlace = s->last_picture.f->interlaced_frame;
}
} else {
srcY = s->next_picture.f->data[0];
luty = v->next_luty;
use_ic = v->next_use_ic;
interlace = s->next_picture.f->interlaced_frame;
}

if (!srcY) {
@@ -547,7 +555,7 @@ void ff_vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg)

srcY += src_y * s->linesize + src_x;
if (v->field_mode && v->ref_field_type[dir])
srcY += s->current_picture_ptr->f->linesize[0];
srcY += linesize;

if (v->rangeredfrm || use_ic
|| s->h_edge_pos < 13 || v_edge_pos < 23
@@ -557,36 +565,40 @@ void ff_vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg)

srcY -= s->mspel * (1 + (s->linesize << fieldmv));
/* check emulate edge stride and offset */
if (v->fcm == ILACE_FRAME) {
if (src_y - (s->mspel << fieldmv) & 1) {
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, srcY,
2 * s->linesize, 2 * s->linesize,
k, (k << fieldmv) + 1 >> 1,
src_x - s->mspel, src_y - (s->mspel << fieldmv) >> 1,
s->h_edge_pos, v_edge_pos + 1 >> 1);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + s->linesize, srcY + s->linesize,
2 * s->linesize, 2 * s->linesize,
k, (k << fieldmv) >> 1,
src_x - s->mspel, src_y - (s->mspel << fieldmv) + 1 >> 1,
s->h_edge_pos, v_edge_pos >> 1);
} else {
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, srcY,
2 * s->linesize, 2 * s->linesize,
k, (k << fieldmv) + 1 >> 1,
src_x - s->mspel, src_y - (s->mspel << fieldmv) >> 1,
s->h_edge_pos, v_edge_pos >> 1);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + s->linesize, srcY + s->linesize,
2 * s->linesize, 2 * s->linesize,
k, (k << fieldmv) >> 1,
src_x - s->mspel, src_y - (s->mspel << fieldmv) + 1 >> 1,
s->h_edge_pos, v_edge_pos + 1 >> 1);
}
if (interlace) {
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
srcY,
linesize << 1,
linesize << 1,
k,
v->field_mode ? k : (k << fieldmv) + 1 >> 1,
src_x - s->mspel,
src_y - (s->mspel << fieldmv) >> !v->field_mode,
s->h_edge_pos,
s->v_edge_pos >> 1);
if (!v->field_mode && !fieldmv)
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + linesize,
srcY + linesize,
linesize << 1,
linesize << 1,
k,
k >> 1,
src_x - s->mspel,
src_y - s->mspel + 1 >> 1,
s->h_edge_pos,
s->v_edge_pos >> 1);
} else
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, srcY,
s->linesize, s->linesize,
k, k,
src_x - s->mspel, src_y - s->mspel,
s->h_edge_pos, v_edge_pos);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
srcY,
linesize,
linesize,
k,
v->field_mode ? (k << 1) - 1 : k << fieldmv,
src_x - s->mspel,
v->field_mode ? 2 * (src_y - s->mspel) + v->ref_field_type[dir] :
src_y - (s->mspel << fieldmv),
s->h_edge_pos,
s->v_edge_pos);
srcY = s->sc.edge_emu_buffer;
/* if we deal with range reduction we need to scale source blocks */
if (v->rangeredfrm) {
@@ -630,6 +642,8 @@ void ff_vc1_mc_4mv_chroma(VC1Context *v, int dir)
int v_edge_pos = s->v_edge_pos >> v->field_mode;
uint8_t (*lutuv)[256];
int use_ic;
int interlace;
int uvlinesize;

if (!v->field_mode && !v->s.last_picture.f->data[0])
return;
@@ -654,6 +668,9 @@ void ff_vc1_mc_4mv_chroma(VC1Context *v, int dir)
return;
s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][0] = tx;
s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][1] = ty;

uvlinesize = s->current_picture_ptr->f->linesize[1];

uvmx = (tx + ((tx & 3) == 3)) >> 1;
uvmy = (ty + ((ty & 3) == 3)) >> 1;

@@ -685,17 +702,20 @@ void ff_vc1_mc_4mv_chroma(VC1Context *v, int dir)
srcV = s->current_picture.f->data[2];
lutuv = v->curr_lutuv;
use_ic = *v->curr_use_ic;
interlace = 1;
} else {
srcU = s->last_picture.f->data[1];
srcV = s->last_picture.f->data[2];
lutuv = v->last_lutuv;
use_ic = v->last_use_ic;
interlace = s->last_picture.f->interlaced_frame;
}
} else {
srcU = s->next_picture.f->data[1];
srcV = s->next_picture.f->data[2];
lutuv = v->next_lutuv;
use_ic = v->next_use_ic;
interlace = s->next_picture.f->interlaced_frame;
}

if (!srcU) {
@@ -708,8 +728,8 @@ void ff_vc1_mc_4mv_chroma(VC1Context *v, int dir)

if (v->field_mode) {
if (chroma_ref_type) {
srcU += s->current_picture_ptr->f->linesize[1];
srcV += s->current_picture_ptr->f->linesize[2];
srcU += uvlinesize;
srcV += uvlinesize;
}
}

@@ -717,14 +737,71 @@ void ff_vc1_mc_4mv_chroma(VC1Context *v, int dir)
|| s->h_edge_pos < 18 || v_edge_pos < 18
|| (unsigned)uvsrc_x > (s->h_edge_pos >> 1) - 9
|| (unsigned)uvsrc_y > (v_edge_pos >> 1) - 9) {
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, srcU,
s->uvlinesize, s->uvlinesize,
8 + 1, 8 + 1, uvsrc_x, uvsrc_y,
s->h_edge_pos >> 1, v_edge_pos >> 1);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + 16, srcV,
s->uvlinesize, s->uvlinesize,
8 + 1, 8 + 1, uvsrc_x, uvsrc_y,
s->h_edge_pos >> 1, v_edge_pos >> 1);
if (interlace) {
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
srcU,
uvlinesize << 1,
uvlinesize << 1,
9,
v->field_mode ? 9 : 5,
uvsrc_x,
uvsrc_y >> !v->field_mode,
s->h_edge_pos >> 1,
s->v_edge_pos >> 2);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + 16,
srcV,
uvlinesize << 1,
uvlinesize << 1,
9,
v->field_mode ? 9 : 5,
uvsrc_x,
uvsrc_y >> !v->field_mode,
s->h_edge_pos >> 1,
s->v_edge_pos >> 2);
if (!v->field_mode) {
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + uvlinesize,
srcU + uvlinesize,
uvlinesize << 1,
uvlinesize << 1,
9,
4,
uvsrc_x,
uvsrc_y + 1 >> 1,
s->h_edge_pos >> 1,
s->v_edge_pos >> 2);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + 16 + uvlinesize,
srcV + uvlinesize,
uvlinesize << 1,
uvlinesize << 1,
9,
4,
uvsrc_x,
uvsrc_y + 1 >> 1,
s->h_edge_pos >> 1,
s->v_edge_pos >> 2);
}
} else {
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
srcU,
uvlinesize,
uvlinesize,
9,
v->field_mode ? 17 : 9,
uvsrc_x,
v->field_mode ? 2 * uvsrc_y + chroma_ref_type : uvsrc_y,
s->h_edge_pos >> 1,
s->v_edge_pos >> 1);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + 16,
srcV,
uvlinesize,
uvlinesize,
9,
v->field_mode ? 17 : 9,
uvsrc_x,
v->field_mode ? 2 * uvsrc_y + chroma_ref_type : uvsrc_y,
s->h_edge_pos >> 1,
s->v_edge_pos >> 1);
}
srcU = s->sc.edge_emu_buffer;
srcV = s->sc.edge_emu_buffer + 16;

@@ -772,11 +849,15 @@ void ff_vc1_mc_4mv_chroma4(VC1Context *v, int dir, int dir2, int avg)
int v_dist = fieldmv ? 1 : 4; // vertical offset for lower sub-blocks
int v_edge_pos = s->v_edge_pos >> 1;
int use_ic;
int interlace;
int uvlinesize;
uint8_t (*lutuv)[256];

if (CONFIG_GRAY && s->avctx->flags & AV_CODEC_FLAG_GRAY)
return;

uvlinesize = s->current_picture_ptr->f->linesize[1];

for (i = 0; i < 4; i++) {
int d = i < 2 ? dir: dir2;
tx = s->mv[d][i][0];
@@ -803,11 +884,13 @@ void ff_vc1_mc_4mv_chroma4(VC1Context *v, int dir, int dir2, int avg)
srcV = s->next_picture.f->data[2];
lutuv = v->next_lutuv;
use_ic = v->next_use_ic;
interlace = s->next_picture.f->interlaced_frame;
} else {
srcU = s->last_picture.f->data[1];
srcV = s->last_picture.f->data[2];
lutuv = v->last_lutuv;
use_ic = v->last_use_ic;
interlace = s->last_picture.f->interlaced_frame;
}
if (!srcU)
return;
@@ -820,51 +903,70 @@ void ff_vc1_mc_4mv_chroma4(VC1Context *v, int dir, int dir2, int avg)
|| s->h_edge_pos < 10 || v_edge_pos < (5 << fieldmv)
|| (unsigned)uvsrc_x > (s->h_edge_pos >> 1) - 5
|| (unsigned)uvsrc_y > v_edge_pos - (5 << fieldmv)) {
if (v->fcm == ILACE_FRAME) {
if (uvsrc_y & 1) {
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, srcU,
2 * s->uvlinesize, 2 * s->uvlinesize,
5, (5 << fieldmv) + 1 >> 1, uvsrc_x, uvsrc_y >> 1,
s->h_edge_pos >> 1, v_edge_pos + 1 >> 1);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + s->uvlinesize, srcU + s->uvlinesize,
2 * s->uvlinesize, 2 * s->uvlinesize,
5, (5 << fieldmv) >> 1, uvsrc_x, uvsrc_y + 1 >> 1,
s->h_edge_pos >> 1, v_edge_pos >> 1);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + 16, srcV,
2 * s->uvlinesize, 2 * s->uvlinesize,
5, (5 << fieldmv) + 1 >> 1, uvsrc_x, uvsrc_y >> 1,
s->h_edge_pos >> 1, v_edge_pos + 1 >> 1);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + 16 + s->uvlinesize, srcV + s->uvlinesize,
2 * s->uvlinesize, 2 * s->uvlinesize,
5, (5 << fieldmv) >> 1, uvsrc_x, uvsrc_y + 1 >> 1,
s->h_edge_pos >> 1, v_edge_pos >> 1);
} else {
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, srcU,
2 * s->uvlinesize, 2 * s->uvlinesize,
5, (5 << fieldmv) + 1 >> 1, uvsrc_x, uvsrc_y >> 1,
s->h_edge_pos >> 1, v_edge_pos >> 1);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + s->uvlinesize, srcU + s->uvlinesize,
2 * s->uvlinesize, 2 * s->uvlinesize,
5, (5 << fieldmv) >> 1, uvsrc_x, uvsrc_y + 1 >> 1,
s->h_edge_pos >> 1, v_edge_pos + 1 >> 1);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + 16, srcV,
2 * s->uvlinesize, 2 * s->uvlinesize,
5, (5 << fieldmv) + 1 >> 1, uvsrc_x, uvsrc_y >> 1,
s->h_edge_pos >> 1, v_edge_pos >> 1);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + 16 + s->uvlinesize, srcV + s->uvlinesize,
2 * s->uvlinesize, 2 * s->uvlinesize,
5, (5 << fieldmv) + 1, uvsrc_x, uvsrc_y + 1 >> 1,
s->h_edge_pos >> 1, v_edge_pos + 1 >> 1);
if (interlace) {
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
srcU,
uvlinesize << 1,
uvlinesize << 1,
5,
(5 << fieldmv) + 1 >> 1,
uvsrc_x,
uvsrc_y >> 1,
s->h_edge_pos >> 1,
s->v_edge_pos >> 2);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + 16,
srcV,
uvlinesize << 1,
uvlinesize << 1,
5,
(5 << fieldmv) + 1 >> 1,
uvsrc_x,
uvsrc_y >> 1,
s->h_edge_pos >> 1,
s->v_edge_pos >> 2);
if (!fieldmv) {
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + uvlinesize,
srcU + uvlinesize,
uvlinesize << 1,
uvlinesize << 1,
5,
2,
uvsrc_x,
uvsrc_y + 1 >> 1,
s->h_edge_pos >> 1,
s->v_edge_pos >> 2);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + 16 + uvlinesize,
srcV + uvlinesize,
uvlinesize << 1,
uvlinesize << 1,
5,
2,
uvsrc_x,
uvsrc_y + 1 >> 1,
s->h_edge_pos >> 1,
s->v_edge_pos >> 2);
}
} else {
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, srcU,
s->uvlinesize, s->uvlinesize,
5, 5, uvsrc_x, uvsrc_y,
s->h_edge_pos >> 1, v_edge_pos);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + 16, srcV,
s->uvlinesize, s->uvlinesize,
5, 5, uvsrc_x, uvsrc_y,
s->h_edge_pos >> 1, v_edge_pos);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
srcU,
uvlinesize,
uvlinesize,
5,
5 << fieldmv,
uvsrc_x,
uvsrc_y,
s->h_edge_pos >> 1,
s->v_edge_pos >> 1);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + 16,
srcV,
uvlinesize,
uvlinesize,
5,
5 << fieldmv,
uvsrc_x,
uvsrc_y,
s->h_edge_pos >> 1,
s->v_edge_pos >> 1);
}
srcU = s->sc.edge_emu_buffer;
srcV = s->sc.edge_emu_buffer + 16;
@@ -907,10 +1009,15 @@ void ff_vc1_interp_mc(VC1Context *v)
int dxy, mx, my, uvmx, uvmy, src_x, src_y, uvsrc_x, uvsrc_y;
int v_edge_pos = s->v_edge_pos >> v->field_mode;
int use_ic = v->next_use_ic;
int interlace;
int linesize, uvlinesize;

if (!v->field_mode && !v->s.next_picture.f->data[0])
return;

linesize = s->current_picture_ptr->f->linesize[0];
uvlinesize = s->current_picture_ptr->f->linesize[1];

mx = s->mv[1][0][0];
my = s->mv[1][0][1];
uvmx = (mx + ((mx & 3) == 3)) >> 1;
@@ -927,6 +1034,8 @@ void ff_vc1_interp_mc(VC1Context *v)
srcU = s->next_picture.f->data[1];
srcV = s->next_picture.f->data[2];

interlace = s->next_picture.f->interlaced_frame;

src_x = s->mb_x * 16 + (mx >> 2);
src_y = s->mb_y * 16 + (my >> 2);
uvsrc_x = s->mb_x * 8 + (uvmx >> 2);
@@ -954,9 +1063,9 @@ void ff_vc1_interp_mc(VC1Context *v)
srcV += uvsrc_y * s->uvlinesize + uvsrc_x;

if (v->field_mode && v->ref_field_type[1]) {
srcY += s->current_picture_ptr->f->linesize[0];
srcU += s->current_picture_ptr->f->linesize[1];
srcV += s->current_picture_ptr->f->linesize[2];
srcY += linesize;
srcU += uvlinesize;
srcV += uvlinesize;
}

/* for grayscale we should not try to read from unknown area */
@@ -973,112 +1082,105 @@ void ff_vc1_interp_mc(VC1Context *v)
const int k = 17 + s->mspel * 2;

srcY -= s->mspel * (1 + s->linesize);
if (v->fcm == ILACE_FRAME) {
if (src_y - s->mspel & 1) {
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
srcY,
2 * s->linesize,
2 * s->linesize,
k,
k + 1 >> 1,
src_x - s->mspel,
src_y - s->mspel >> 1,
s->h_edge_pos,
v_edge_pos + 1 >> 1);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + s->linesize,
srcY + s->linesize,
2 * s->linesize,
2 * s->linesize,
if (interlace) {
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
srcY,
linesize << 1,
linesize << 1,
k,
v->field_mode ? k : (k + 1 >> 1),
src_x - s->mspel,
src_y - s->mspel >> !v->field_mode,
s->h_edge_pos,
s->v_edge_pos >> 1);
if (!v->field_mode)
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + linesize,
srcY + linesize,
linesize << 1,
linesize << 1,
k,
k >> 1,
src_x - s->mspel,
src_y - s->mspel + 1 >> 1,
s->h_edge_pos,
v_edge_pos >> 1);
} else {
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
srcY,
2 * s->linesize,
2 * s->linesize,
k,
k + 1 >> 1,
src_x - s->mspel,
src_y - s->mspel >> 1,
s->h_edge_pos,
v_edge_pos >> 1);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + s->linesize,
srcY + s->linesize,
2 * s->linesize,
2 * s->linesize,
k,
k >> 1,
src_x - s->mspel,
src_y - s->mspel + 1 >> 1,
s->h_edge_pos,
v_edge_pos + 1 >> 1);
}
s->v_edge_pos >> 1);
} else
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, srcY,
s->linesize, s->linesize,
k, k,
src_x - s->mspel, src_y - s->mspel,
s->h_edge_pos, v_edge_pos);
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
srcY,
linesize,
linesize,
k,
v->field_mode ? (k << 1) - 1 : k,
src_x - s->mspel,
v->field_mode ? 2 * (src_y - s->mspel) + v->ref_field_type[1] :
src_y - s->mspel,
s->h_edge_pos,
s->v_edge_pos);
srcY = s->sc.edge_emu_buffer;
if (v->fcm == ILACE_FRAME) {
if (uvsrc_y & 1) {
s->vdsp.emulated_edge_mc(ubuf, srcU,
2 * s->uvlinesize, 2 * s->uvlinesize,
8 + 1, 5,
uvsrc_x, uvsrc_y >> 1,
s->h_edge_pos >> 1, (v_edge_pos >> 1) + 1 >> 1);
s->vdsp.emulated_edge_mc(ubuf + s->uvlinesize, srcU + s->uvlinesize,
2 * s->uvlinesize, 2 * s->uvlinesize,
8 + 1, 4,
uvsrc_x, uvsrc_y + 1 >> 1,
s->h_edge_pos >> 1, (v_edge_pos >> 1) >> 1);
s->vdsp.emulated_edge_mc(vbuf, srcV,
2 * s->uvlinesize, 2 * s->uvlinesize,
8 + 1, 5,
uvsrc_x, uvsrc_y >> 1,
s->h_edge_pos >> 1, (v_edge_pos >> 1) + 1 >> 1);
s->vdsp.emulated_edge_mc(vbuf + s->uvlinesize, srcV + s->uvlinesize,
2 * s->uvlinesize, 2 * s->uvlinesize,
8 + 1, 4,
uvsrc_x, uvsrc_y + 1 >> 1,
s->h_edge_pos >> 1, (v_edge_pos >> 1) >> 1);
} else {
s->vdsp.emulated_edge_mc(ubuf, srcU,
2 * s->uvlinesize, 2 * s->uvlinesize,
8 + 1, 5,
uvsrc_x, uvsrc_y >> 1,
s->h_edge_pos >> 1, (v_edge_pos >> 1) >> 1);
s->vdsp.emulated_edge_mc(ubuf + s->uvlinesize, srcU + s->uvlinesize,
2 * s->uvlinesize, 2 * s->uvlinesize,
8 + 1, 4,
uvsrc_x, uvsrc_y + 1 >> 1,
s->h_edge_pos >> 1, (v_edge_pos >> 1) + 1 >> 1);
s->vdsp.emulated_edge_mc(vbuf, srcV,
2 * s->uvlinesize, 2 * s->uvlinesize,
8 + 1, 5,
uvsrc_x, uvsrc_y >> 1,
s->h_edge_pos >> 1, (v_edge_pos >> 1) >> 1);
s->vdsp.emulated_edge_mc(vbuf + s->uvlinesize, srcV + s->uvlinesize,
2 * s->uvlinesize, 2 * s->uvlinesize,
8 + 1, 4,
uvsrc_x, uvsrc_y + 1 >> 1,
s->h_edge_pos >> 1, (v_edge_pos >> 1) + 1 >> 1);
if (interlace) {
s->vdsp.emulated_edge_mc(ubuf,
srcU,
uvlinesize << 1,
uvlinesize << 1,
9,
v->field_mode ? 9 : 5,
uvsrc_x,
uvsrc_y >> !v->field_mode,
s->h_edge_pos >> 1,
s->v_edge_pos >> 2);
s->vdsp.emulated_edge_mc(vbuf,
srcV,
uvlinesize << 1,
uvlinesize << 1,
9,
v->field_mode ? 9 : 5,
uvsrc_x,
uvsrc_y >> !v->field_mode,
s->h_edge_pos >> 1,
s->v_edge_pos >> 2);
if (!v->field_mode) {
s->vdsp.emulated_edge_mc(ubuf + uvlinesize,
srcU + uvlinesize,
uvlinesize << 1,
uvlinesize << 1,
9,
4,
uvsrc_x,
uvsrc_y + 1 >> 1,
s->h_edge_pos >> 1,
s->v_edge_pos >> 2);
s->vdsp.emulated_edge_mc(vbuf + uvlinesize,
srcV + uvlinesize,
uvlinesize << 1,
uvlinesize << 1,
9,
4,
uvsrc_x,
uvsrc_y + 1 >> 1,
s->h_edge_pos >> 1,
s->v_edge_pos >> 2);
}
} else {
s->vdsp.emulated_edge_mc(ubuf, srcU,
s->uvlinesize, s->uvlinesize,
8 + 1, 8 + 1,
uvsrc_x, uvsrc_y,
s->h_edge_pos >> 1, v_edge_pos >> 1);
s->vdsp.emulated_edge_mc(vbuf, srcV,
s->uvlinesize, s->uvlinesize,
8 + 1, 8 + 1,
uvsrc_x, uvsrc_y,
s->h_edge_pos >> 1, v_edge_pos >> 1);
s->vdsp.emulated_edge_mc(ubuf,
srcU,
uvlinesize,
uvlinesize,
9,
v->field_mode ? 17 : 9,
uvsrc_x,
v->field_mode ? 2 * uvsrc_y + v->ref_field_type[1] : uvsrc_y,
s->h_edge_pos >> 1,
s->v_edge_pos >> 1);
s->vdsp.emulated_edge_mc(vbuf,
srcV,
uvlinesize,
uvlinesize,
9,
v->field_mode ? 17 : 9,
uvsrc_x,
v->field_mode ? 2 * uvsrc_y + v->ref_field_type[1] : uvsrc_y,
s->h_edge_pos >> 1,
s->v_edge_pos >> 1);
}
srcU = ubuf;
srcV = vbuf;


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