[FFmpeg-cvslog] avcodec/vc1: fix out-of-bounds reference pixel replication
Jerome Borsboom
git at videolan.org
Mon Jun 4 17:36:15 EEST 2018
ffmpeg | branch: master | Jerome Borsboom <jerome.borsboom at carpalis.nl> | Tue May 29 14:26:17 2018 +0200| [f56a0b02cdbf8d5820de400e584a72b002cd461a] | committer: Carl Eugen Hoyos
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 at carpalis.nl>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f56a0b02cdbf8d5820de400e584a72b002cd461a
---
libavcodec/vc1_mc.c | 668 ++++++++++++++++++++++++++++++----------------------
1 file changed, 385 insertions(+), 283 deletions(-)
diff --git a/libavcodec/vc1_mc.c b/libavcodec/vc1_mc.c
index 04b359204c..1b8d8799b3 100644
--- a/libavcodec/vc1_mc.c
+++ b/libavcodec/vc1_mc.c
@@ -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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