---
libavcodec/Makefile | 2 +-
libavcodec/vc1.h | 8 +
libavcodec/vc1_block.c | 1005 +++---------------------------------------------
libavcodec/vc1_mc.c | 964 ++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 1018 insertions(+), 961 deletions(-)
create mode 100644 libavcodec/vc1_mc.c
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index cda2426..53e84f9 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -391,7 +391,7 @@ OBJS-$(CONFIG_V210X_DECODER) += v210x.o
OBJS-$(CONFIG_VB_DECODER) += vb.o
OBJS-$(CONFIG_VBLE_DECODER) += vble.o
OBJS-$(CONFIG_VC1_DECODER) += vc1dec.o vc1_block.o
vc1_loopfilter.o \
- vc1.o vc1data.o vc1dsp.o \
+ vc1_mc.o vc1.o vc1data.o vc1dsp.o \
msmpeg4dec.o msmpeg4.o msmpeg4data.o
OBJS-$(CONFIG_VCR1_DECODER) += vcr1.o
OBJS-$(CONFIG_VMDAUDIO_DECODER) += vmdaudio.o
diff --git a/libavcodec/vc1.h b/libavcodec/vc1.h
index b26632d..b4acc06 100644
--- a/libavcodec/vc1.h
+++ b/libavcodec/vc1.h
@@ -405,4 +405,12 @@ void ff_vc1_loop_filter_iblk_delayed(VC1Context *v, int
pq);
void ff_vc1_smooth_overlap_filter_iblk(VC1Context *v);
void ff_vc1_apply_p_loop_filter(VC1Context *v);
+void ff_vc1_mc_1mv(VC1Context *v, int dir);
+void ff_vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg);
+void ff_vc1_mc_4mv_chroma(VC1Context *v, int dir);
+void ff_vc1_mc_4mv_chroma4(VC1Context *v, int dir, int dir2, int avg);
+
+void ff_vc1_interp_mc(VC1Context *v);
+
+
#endif /* AVCODEC_VC1_H */
diff --git a/libavcodec/vc1_block.c b/libavcodec/vc1_block.c
index b275473..dc9cd97 100644
--- a/libavcodec/vc1_block.c
+++ b/libavcodec/vc1_block.c
@@ -167,751 +167,6 @@ static void vc1_put_signed_blocks_clamped(VC1Context *v)
inc_blk_idx(v->cur_blk_idx);
}
-/** Do motion compensation over 1 macroblock
- * Mostly adapted hpel_motion and qpel_motion from mpegvideo.c
- */
-static void vc1_mc_1mv(VC1Context *v, int dir)
-{
- MpegEncContext *s = &v->s;
- H264ChromaContext *h264chroma = &v->h264chroma;
- uint8_t *srcY, *srcU, *srcV;
- 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 i;
- uint8_t (*luty)[256], (*lutuv)[256];
- int use_ic;
-
- if ((!v->field_mode ||
- (v->ref_field_type[dir] == 1 && v->cur_field_type == 1)) &&
- !v->s.last_picture.f->data[0])
- return;
-
- mx = s->mv[dir][0][0];
- my = s->mv[dir][0][1];
-
- // store motion vectors for further use in B frames
- if (s->pict_type == AV_PICTURE_TYPE_P) {
- for (i = 0; i < 4; i++) {
- s->current_picture.motion_val[1][s->block_index[i] +
v->blocks_off][0] = mx;
- s->current_picture.motion_val[1][s->block_index[i] +
v->blocks_off][1] = my;
- }
- }
-
- uvmx = (mx + ((mx & 3) == 3)) >> 1;
- uvmy = (my + ((my & 3) == 3)) >> 1;
- v->luma_mv[s->mb_x][0] = uvmx;
- v->luma_mv[s->mb_x][1] = uvmy;
-
- if (v->field_mode &&
- v->cur_field_type != v->ref_field_type[dir]) {
- my = my - 2 + 4 * v->cur_field_type;
- uvmy = uvmy - 2 + 4 * v->cur_field_type;
- }
-
- // fastuvmc shall be ignored for interlaced frame picture
- if (v->fastuvmc && (v->fcm != ILACE_FRAME)) {
- uvmx = uvmx + ((uvmx < 0) ? (uvmx & 1) : -(uvmx & 1));
- uvmy = uvmy + ((uvmy < 0) ? (uvmy & 1) : -(uvmy & 1));
- }
- if (!dir) {
- if (v->field_mode && (v->cur_field_type != v->ref_field_type[dir]) &&
v->second_field) {
- srcY = s->current_picture.f->data[0];
- srcU = s->current_picture.f->data[1];
- srcV = s->current_picture.f->data[2];
- luty = v->curr_luty;
- lutuv = v->curr_lutuv;
- use_ic = v->curr_use_ic;
- } else {
- srcY = s->last_picture.f->data[0];
- srcU = s->last_picture.f->data[1];
- srcV = s->last_picture.f->data[2];
- luty = v->last_luty;
- lutuv = v->last_lutuv;
- use_ic = v->last_use_ic;
- }
- } else {
- srcY = s->next_picture.f->data[0];
- srcU = s->next_picture.f->data[1];
- srcV = s->next_picture.f->data[2];
- luty = v->next_luty;
- lutuv = v->next_lutuv;
- use_ic = v->next_use_ic;
- }
-
- if (!srcY || !srcU) {
- av_log(v->s.avctx, AV_LOG_ERROR, "Referenced frame missing.\n");
- return;
- }
-
- src_x = s->mb_x * 16 + (mx >> 2);
- src_y = s->mb_y * 16 + (my >> 2);
- uvsrc_x = s->mb_x * 8 + (uvmx >> 2);
- uvsrc_y = s->mb_y * 8 + (uvmy >> 2);
-
- if (v->profile != PROFILE_ADVANCED) {
- src_x = av_clip( src_x, -16, s->mb_width * 16);
- src_y = av_clip( src_y, -16, s->mb_height * 16);
- uvsrc_x = av_clip(uvsrc_x, -8, s->mb_width * 8);
- uvsrc_y = av_clip(uvsrc_y, -8, s->mb_height * 8);
- } else {
- src_x = av_clip( src_x, -17, s->avctx->coded_width);
- src_y = av_clip( src_y, -18, s->avctx->coded_height + 1);
- uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1);
- uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1);
- }
-
- srcY += src_y * s->linesize + src_x;
- srcU += uvsrc_y * s->uvlinesize + uvsrc_x;
- 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];
- }
-
- /* for grayscale we should not try to read from unknown area */
- if (s->flags & CODEC_FLAG_GRAY) {
- srcU = s->edge_emu_buffer + 18 * s->linesize;
- srcV = s->edge_emu_buffer + 18 * s->linesize;
- }
-
- if (v->rangeredfrm || use_ic
- || s->h_edge_pos < 22 || v_edge_pos < 22
- || (unsigned)(src_x - s->mspel) > s->h_edge_pos - (mx&3) - 16 -
s->mspel * 3
- || (unsigned)(src_y - 1) > v_edge_pos - (my&3) - 16 - 3) {
- uint8_t *uvbuf = s->edge_emu_buffer + 19 * s->linesize;
-
- srcY -= s->mspel * (1 + s->linesize);
- s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY,
- s->linesize, s->linesize,
- 17 + s->mspel * 2, 17 + s->mspel * 2,
- src_x - s->mspel, src_y - s->mspel,
- s->h_edge_pos, v_edge_pos);
- srcY = s->edge_emu_buffer;
- s->vdsp.emulated_edge_mc(uvbuf, 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(uvbuf + 16, srcV,
- s->uvlinesize, s->uvlinesize,
- 8 + 1, 8 + 1,
- uvsrc_x, uvsrc_y, s->h_edge_pos >> 1,
v_edge_pos >> 1);
- srcU = uvbuf;
- srcV = uvbuf + 16;
- /* if we deal with range reduction we need to scale source blocks */
- if (v->rangeredfrm) {
- int i, j;
- uint8_t *src, *src2;
-
- src = srcY;
- for (j = 0; j < 17 + s->mspel * 2; j++) {
- for (i = 0; i < 17 + s->mspel * 2; i++)
- src[i] = ((src[i] - 128) >> 1) + 128;
- src += s->linesize;
- }
- src = srcU;
- src2 = srcV;
- for (j = 0; j < 9; j++) {
- for (i = 0; i < 9; i++) {
- src[i] = ((src[i] - 128) >> 1) + 128;
- src2[i] = ((src2[i] - 128) >> 1) + 128;
- }
- src += s->uvlinesize;
- src2 += s->uvlinesize;
- }
- }
- /* if we deal with intensity compensation we need to scale source
blocks */
- if (use_ic) {
- int i, j;
- uint8_t *src, *src2;
-
- src = srcY;
- for (j = 0; j < 17 + s->mspel * 2; j++) {
- int f = v->field_mode ? v->ref_field_type[dir] : ((j + src_y -
s->mspel) & 1) ;
- for (i = 0; i < 17 + s->mspel * 2; i++)
- src[i] = luty[f][src[i]];
- src += s->linesize;
- }
- src = srcU;
- src2 = srcV;
- for (j = 0; j < 9; j++) {
- int f = v->field_mode ? v->ref_field_type[dir] : ((j +
uvsrc_y) & 1);
- for (i = 0; i < 9; i++) {
- src[i] = lutuv[f][src[i]];
- src2[i] = lutuv[f][src2[i]];
- }
- src += s->uvlinesize;
- src2 += s->uvlinesize;
- }
- }
- srcY += s->mspel * (1 + s->linesize);
- }
-
- if (s->mspel) {
- dxy = ((my & 3) << 2) | (mx & 3);
- v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] , srcY ,
s->linesize, v->rnd);
- v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + 8, srcY + 8,
s->linesize, v->rnd);
- srcY += s->linesize * 8;
- v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + 8 * s->linesize
, srcY , s->linesize, v->rnd);
- v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + 8 * s->linesize +
8, srcY + 8, s->linesize, v->rnd);
- } else { // hpel mc - always used for luma
- dxy = (my & 2) | ((mx & 2) >> 1);
- if (!v->rnd)
- s->hdsp.put_pixels_tab[0][dxy](s->dest[0], srcY, s->linesize, 16);
- else
- s->hdsp.put_no_rnd_pixels_tab[0][dxy](s->dest[0], srcY,
s->linesize, 16);
- }
-
- if (s->flags & CODEC_FLAG_GRAY) return;
- /* Chroma MC always uses qpel bilinear */
- uvmx = (uvmx & 3) << 1;
- uvmy = (uvmy & 3) << 1;
- if (!v->rnd) {
- h264chroma->put_h264_chroma_pixels_tab[0](s->dest[1], srcU,
s->uvlinesize, 8, uvmx, uvmy);
- h264chroma->put_h264_chroma_pixels_tab[0](s->dest[2], srcV,
s->uvlinesize, 8, uvmx, uvmy);
- } else {
- v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[0](s->dest[1], srcU,
s->uvlinesize, 8, uvmx, uvmy);
- v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[0](s->dest[2], srcV,
s->uvlinesize, 8, uvmx, uvmy);
- }
-}
-
-static inline int median4(int a, int b, int c, int d)
-{
- if (a < b) {
- if (c < d) return (FFMIN(b, d) + FFMAX(a, c)) / 2;
- else return (FFMIN(b, c) + FFMAX(a, d)) / 2;
- } else {
- if (c < d) return (FFMIN(a, d) + FFMAX(b, c)) / 2;
- else return (FFMIN(a, c) + FFMAX(b, d)) / 2;
- }
-}
-
-/** Do motion compensation for 4-MV macroblock - luminance block
- */
-static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg)
-{
- MpegEncContext *s = &v->s;
- uint8_t *srcY;
- int dxy, mx, my, src_x, src_y;
- int off;
- int fieldmv = (v->fcm == ILACE_FRAME) ? v->blk_mv_type[s->block_index[n]]
: 0;
- int v_edge_pos = s->v_edge_pos >> v->field_mode;
- uint8_t (*luty)[256];
- int use_ic;
-
- if ((!v->field_mode ||
- (v->ref_field_type[dir] == 1 && v->cur_field_type == 1)) &&
- !v->s.last_picture.f->data[0])
- return;
-
- mx = s->mv[dir][n][0];
- my = s->mv[dir][n][1];
-
- if (!dir) {
- if (v->field_mode && (v->cur_field_type != v->ref_field_type[dir]) &&
v->second_field) {
- srcY = s->current_picture.f->data[0];
- luty = v->curr_luty;
- use_ic = v->curr_use_ic;
- } else {
- srcY = s->last_picture.f->data[0];
- luty = v->last_luty;
- use_ic = v->last_use_ic;
- }
- } else {
- srcY = s->next_picture.f->data[0];
- luty = v->next_luty;
- use_ic = v->next_use_ic;
- }
-
- if (!srcY) {
- av_log(v->s.avctx, AV_LOG_ERROR, "Referenced frame missing.\n");
- return;
- }
-
- if (v->field_mode) {
- if (v->cur_field_type != v->ref_field_type[dir])
- my = my - 2 + 4 * v->cur_field_type;
- }
-
- if (s->pict_type == AV_PICTURE_TYPE_P && n == 3 && v->field_mode) {
- int same_count = 0, opp_count = 0, k;
- int chosen_mv[2][4][2], f;
- int tx, ty;
- for (k = 0; k < 4; k++) {
- f = v->mv_f[0][s->block_index[k] + v->blocks_off];
- chosen_mv[f][f ? opp_count : same_count][0] = s->mv[0][k][0];
- chosen_mv[f][f ? opp_count : same_count][1] = s->mv[0][k][1];
- opp_count += f;
- same_count += 1 - f;
- }
- f = opp_count > same_count;
- switch (f ? opp_count : same_count) {
- case 4:
- tx = median4(chosen_mv[f][0][0], chosen_mv[f][1][0],
- chosen_mv[f][2][0], chosen_mv[f][3][0]);
- ty = median4(chosen_mv[f][0][1], chosen_mv[f][1][1],
- chosen_mv[f][2][1], chosen_mv[f][3][1]);
- break;
- case 3:
- tx = mid_pred(chosen_mv[f][0][0], chosen_mv[f][1][0],
chosen_mv[f][2][0]);
- ty = mid_pred(chosen_mv[f][0][1], chosen_mv[f][1][1],
chosen_mv[f][2][1]);
- break;
- case 2:
- tx = (chosen_mv[f][0][0] + chosen_mv[f][1][0]) / 2;
- ty = (chosen_mv[f][0][1] + chosen_mv[f][1][1]) / 2;
- break;
- }
- 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;
- for (k = 0; k < 4; k++)
- v->mv_f[1][s->block_index[k] + v->blocks_off] = f;
- }
-
- if (v->fcm == ILACE_FRAME) { // not sure if needed for other types of
picture
- int qx, qy;
- int width = s->avctx->coded_width;
- int height = s->avctx->coded_height >> 1;
- if (s->pict_type == AV_PICTURE_TYPE_P) {
- s->current_picture.motion_val[1][s->block_index[n] +
v->blocks_off][0] = mx;
- s->current_picture.motion_val[1][s->block_index[n] +
v->blocks_off][1] = my;
- }
- qx = (s->mb_x * 16) + (mx >> 2);
- qy = (s->mb_y * 8) + (my >> 3);
-
- if (qx < -17)
- mx -= 4 * (qx + 17);
- else if (qx > width)
- mx -= 4 * (qx - width);
- if (qy < -18)
- my -= 8 * (qy + 18);
- else if (qy > height + 1)
- my -= 8 * (qy - height - 1);
- }
-
- if ((v->fcm == ILACE_FRAME) && fieldmv)
- off = ((n > 1) ? s->linesize : 0) + (n & 1) * 8;
- else
- off = s->linesize * 4 * (n & 2) + (n & 1) * 8;
-
- src_x = s->mb_x * 16 + (n & 1) * 8 + (mx >> 2);
- if (!fieldmv)
- src_y = s->mb_y * 16 + (n & 2) * 4 + (my >> 2);
- else
- src_y = s->mb_y * 16 + ((n > 1) ? 1 : 0) + (my >> 2);
-
- if (v->profile != PROFILE_ADVANCED) {
- src_x = av_clip(src_x, -16, s->mb_width * 16);
- src_y = av_clip(src_y, -16, s->mb_height * 16);
- } else {
- src_x = av_clip(src_x, -17, s->avctx->coded_width);
- if (v->fcm == ILACE_FRAME) {
- if (src_y & 1)
- src_y = av_clip(src_y, -17, s->avctx->coded_height + 1);
- else
- src_y = av_clip(src_y, -18, s->avctx->coded_height);
- } else {
- src_y = av_clip(src_y, -18, s->avctx->coded_height + 1);
- }
- }
-
- srcY += src_y * s->linesize + src_x;
- if (v->field_mode && v->ref_field_type[dir])
- srcY += s->current_picture_ptr->f->linesize[0];
-
- if (fieldmv && !(src_y & 1))
- v_edge_pos--;
- if (fieldmv && (src_y & 1) && src_y < 4)
- src_y--;
- if (v->rangeredfrm || use_ic
- || s->h_edge_pos < 13 || v_edge_pos < 23
- || (unsigned)(src_x - s->mspel) > s->h_edge_pos - (mx & 3) - 8 -
s->mspel * 2
- || (unsigned)(src_y - (s->mspel << fieldmv)) > v_edge_pos - (my & 3) -
((8 + s->mspel * 2) << fieldmv)) {
- srcY -= s->mspel * (1 + (s->linesize << fieldmv));
- /* check emulate edge stride and offset */
- s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY,
- s->linesize, s->linesize,
- 9 + s->mspel * 2, (9 + s->mspel * 2) <<
fieldmv,
- src_x - s->mspel, src_y - (s->mspel <<
fieldmv),
- s->h_edge_pos, v_edge_pos);
- srcY = s->edge_emu_buffer;
- /* if we deal with range reduction we need to scale source blocks */
- if (v->rangeredfrm) {
- int i, j;
- uint8_t *src;
-
- src = srcY;
- for (j = 0; j < 9 + s->mspel * 2; j++) {
- for (i = 0; i < 9 + s->mspel * 2; i++)
- src[i] = ((src[i] - 128) >> 1) + 128;
- src += s->linesize << fieldmv;
- }
- }
- /* if we deal with intensity compensation we need to scale source
blocks */
- if (use_ic) {
- int i, j;
- uint8_t *src;
-
- src = srcY;
- for (j = 0; j < 9 + s->mspel * 2; j++) {
- int f = v->field_mode ? v->ref_field_type[dir] :
(((j<<fieldmv)+src_y - (s->mspel << fieldmv)) & 1);
- for (i = 0; i < 9 + s->mspel * 2; i++)
- src[i] = luty[f][src[i]];
- src += s->linesize << fieldmv;
- }
- }
- srcY += s->mspel * (1 + (s->linesize << fieldmv));
- }
-
- if (s->mspel) {
- dxy = ((my & 3) << 2) | (mx & 3);
- if (avg)
- v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off, srcY,
s->linesize << fieldmv, v->rnd);
- else
- v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + off, srcY,
s->linesize << fieldmv, v->rnd);
- } else { // hpel mc - always used for luma
- dxy = (my & 2) | ((mx & 2) >> 1);
- if (!v->rnd)
- s->hdsp.put_pixels_tab[1][dxy](s->dest[0] + off, srcY,
s->linesize, 8);
- else
- s->hdsp.put_no_rnd_pixels_tab[1][dxy](s->dest[0] + off, srcY,
s->linesize, 8);
- }
-}
-
-static av_always_inline int get_chroma_mv(int *mvx, int *mvy, int *a, int
flag, int *tx, int *ty)
-{
- int idx, i;
- static const int count[16] = { 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3,
3, 4};
-
- idx = ((a[3] != flag) << 3)
- | ((a[2] != flag) << 2)
- | ((a[1] != flag) << 1)
- | (a[0] != flag);
- if (!idx) {
- *tx = median4(mvx[0], mvx[1], mvx[2], mvx[3]);
- *ty = median4(mvy[0], mvy[1], mvy[2], mvy[3]);
- return 4;
- } else if (count[idx] == 1) {
- switch (idx) {
- case 0x1:
- *tx = mid_pred(mvx[1], mvx[2], mvx[3]);
- *ty = mid_pred(mvy[1], mvy[2], mvy[3]);
- return 3;
- case 0x2:
- *tx = mid_pred(mvx[0], mvx[2], mvx[3]);
- *ty = mid_pred(mvy[0], mvy[2], mvy[3]);
- return 3;
- case 0x4:
- *tx = mid_pred(mvx[0], mvx[1], mvx[3]);
- *ty = mid_pred(mvy[0], mvy[1], mvy[3]);
- return 3;
- case 0x8:
- *tx = mid_pred(mvx[0], mvx[1], mvx[2]);
- *ty = mid_pred(mvy[0], mvy[1], mvy[2]);
- return 3;
- }
- } else if (count[idx] == 2) {
- int t1 = 0, t2 = 0;
- for (i = 0; i < 3; i++)
- if (!a[i]) {
- t1 = i;
- break;
- }
- for (i = t1 + 1; i < 4; i++)
- if (!a[i]) {
- t2 = i;
- break;
- }
- *tx = (mvx[t1] + mvx[t2]) / 2;
- *ty = (mvy[t1] + mvy[t2]) / 2;
- return 2;
- } else {
- return 0;
- }
- return -1;
-}
-
-/** Do motion compensation for 4-MV macroblock - both chroma blocks
- */
-static void vc1_mc_4mv_chroma(VC1Context *v, int dir)
-{
- MpegEncContext *s = &v->s;
- H264ChromaContext *h264chroma = &v->h264chroma;
- uint8_t *srcU, *srcV;
- int uvmx, uvmy, uvsrc_x, uvsrc_y;
- int k, tx = 0, ty = 0;
- int mvx[4], mvy[4], intra[4], mv_f[4];
- int valid_count;
- int chroma_ref_type = v->cur_field_type;
- int v_edge_pos = s->v_edge_pos >> v->field_mode;
- uint8_t (*lutuv)[256];
- int use_ic;
-
- if (!v->field_mode && !v->s.last_picture.f->data[0])
- return;
- if (s->flags & CODEC_FLAG_GRAY)
- return;
-
- for (k = 0; k < 4; k++) {
- mvx[k] = s->mv[dir][k][0];
- mvy[k] = s->mv[dir][k][1];
- intra[k] = v->mb_type[0][s->block_index[k]];
- if (v->field_mode)
- mv_f[k] = v->mv_f[dir][s->block_index[k] + v->blocks_off];
- }
-
- /* calculate chroma MV vector from four luma MVs */
- if (!v->field_mode || (v->field_mode && !v->numref)) {
- valid_count = get_chroma_mv(mvx, mvy, intra, 0, &tx, &ty);
- chroma_ref_type = v->reffield;
- if (!valid_count) {
- s->current_picture.motion_val[1][s->block_index[0] +
v->blocks_off][0] = 0;
- s->current_picture.motion_val[1][s->block_index[0] +
v->blocks_off][1] = 0;
- v->luma_mv[s->mb_x][0] = v->luma_mv[s->mb_x][1] = 0;
- return; //no need to do MC for intra blocks
- }
- } else {
- int dominant = 0;
- if (mv_f[0] + mv_f[1] + mv_f[2] + mv_f[3] > 2)
- dominant = 1;
- valid_count = get_chroma_mv(mvx, mvy, mv_f, dominant, &tx, &ty);
- if (dominant)
- chroma_ref_type = !v->cur_field_type;
- }
- if (v->field_mode && chroma_ref_type == 1 && v->cur_field_type == 1 &&
!v->s.last_picture.f->data[0])
- 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;
- uvmx = (tx + ((tx & 3) == 3)) >> 1;
- uvmy = (ty + ((ty & 3) == 3)) >> 1;
-
- v->luma_mv[s->mb_x][0] = uvmx;
- v->luma_mv[s->mb_x][1] = uvmy;
-
- if (v->fastuvmc) {
- uvmx = uvmx + ((uvmx < 0) ? (uvmx & 1) : -(uvmx & 1));
- uvmy = uvmy + ((uvmy < 0) ? (uvmy & 1) : -(uvmy & 1));
- }
- // Field conversion bias
- if (v->cur_field_type != chroma_ref_type)
- uvmy += 2 - 4 * chroma_ref_type;
-
- uvsrc_x = s->mb_x * 8 + (uvmx >> 2);
- uvsrc_y = s->mb_y * 8 + (uvmy >> 2);
-
- if (v->profile != PROFILE_ADVANCED) {
- uvsrc_x = av_clip(uvsrc_x, -8, s->mb_width * 8);
- uvsrc_y = av_clip(uvsrc_y, -8, s->mb_height * 8);
- } else {
- uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1);
- uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1);
- }
-
- if (!dir) {
- if (v->field_mode && (v->cur_field_type != chroma_ref_type) &&
v->second_field) {
- srcU = s->current_picture.f->data[1];
- srcV = s->current_picture.f->data[2];
- lutuv = v->curr_lutuv;
- use_ic = v->curr_use_ic;
- } 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;
- }
- } 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;
- }
-
- if (!srcU) {
- av_log(v->s.avctx, AV_LOG_ERROR, "Referenced frame missing.\n");
- return;
- }
-
- srcU += uvsrc_y * s->uvlinesize + uvsrc_x;
- srcV += uvsrc_y * s->uvlinesize + uvsrc_x;
-
- if (v->field_mode) {
- if (chroma_ref_type) {
- srcU += s->current_picture_ptr->f->linesize[1];
- srcV += s->current_picture_ptr->f->linesize[2];
- }
- }
-
- if (v->rangeredfrm || use_ic
- || 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->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->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);
- srcU = s->edge_emu_buffer;
- srcV = s->edge_emu_buffer + 16;
-
- /* if we deal with range reduction we need to scale source blocks */
- if (v->rangeredfrm) {
- int i, j;
- uint8_t *src, *src2;
-
- src = srcU;
- src2 = srcV;
- for (j = 0; j < 9; j++) {
- for (i = 0; i < 9; i++) {
- src[i] = ((src[i] - 128) >> 1) + 128;
- src2[i] = ((src2[i] - 128) >> 1) + 128;
- }
- src += s->uvlinesize;
- src2 += s->uvlinesize;
- }
- }
- /* if we deal with intensity compensation we need to scale source
blocks */
- if (use_ic) {
- int i, j;
- uint8_t *src, *src2;
-
- src = srcU;
- src2 = srcV;
- for (j = 0; j < 9; j++) {
- int f = v->field_mode ? chroma_ref_type : ((j + uvsrc_y) & 1);
- for (i = 0; i < 9; i++) {
- src[i] = lutuv[f][src[i]];
- src2[i] = lutuv[f][src2[i]];
- }
- src += s->uvlinesize;
- src2 += s->uvlinesize;
- }
- }
- }
-
- /* Chroma MC always uses qpel bilinear */
- uvmx = (uvmx & 3) << 1;
- uvmy = (uvmy & 3) << 1;
- if (!v->rnd) {
- h264chroma->put_h264_chroma_pixels_tab[0](s->dest[1], srcU,
s->uvlinesize, 8, uvmx, uvmy);
- h264chroma->put_h264_chroma_pixels_tab[0](s->dest[2], srcV,
s->uvlinesize, 8, uvmx, uvmy);
- } else {
- v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[0](s->dest[1], srcU,
s->uvlinesize, 8, uvmx, uvmy);
- v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[0](s->dest[2], srcV,
s->uvlinesize, 8, uvmx, uvmy);
- }
-}
-
-/** Do motion compensation for 4-MV interlaced frame chroma macroblock (both U
and V)
- */
-static void vc1_mc_4mv_chroma4(VC1Context *v, int dir, int dir2, int avg)
-{
- MpegEncContext *s = &v->s;
- H264ChromaContext *h264chroma = &v->h264chroma;
- uint8_t *srcU, *srcV;
- int uvsrc_x, uvsrc_y;
- int uvmx_field[4], uvmy_field[4];
- int i, off, tx, ty;
- int fieldmv = v->blk_mv_type[s->block_index[0]];
- static const int s_rndtblfield[16] = { 0, 0, 1, 2, 4, 4, 5, 6, 2, 2, 3, 8,
6, 6, 7, 12 };
- int v_dist = fieldmv ? 1 : 4; // vertical offset for lower sub-blocks
- int v_edge_pos = s->v_edge_pos >> 1;
- int use_ic;
- uint8_t (*lutuv)[256];
-
- if (s->flags & CODEC_FLAG_GRAY)
- return;
-
- for (i = 0; i < 4; i++) {
- int d = i < 2 ? dir: dir2;
- tx = s->mv[d][i][0];
- uvmx_field[i] = (tx + ((tx & 3) == 3)) >> 1;
- ty = s->mv[d][i][1];
- if (fieldmv)
- uvmy_field[i] = (ty >> 4) * 8 + s_rndtblfield[ty & 0xF];
- else
- uvmy_field[i] = (ty + ((ty & 3) == 3)) >> 1;
- }
-
- for (i = 0; i < 4; i++) {
- off = (i & 1) * 4 + ((i & 2) ? v_dist * s->uvlinesize : 0);
- uvsrc_x = s->mb_x * 8 + (i & 1) * 4 + (uvmx_field[i] >> 2);
- uvsrc_y = s->mb_y * 8 + ((i & 2) ? v_dist : 0) + (uvmy_field[i] >> 2);
- // FIXME: implement proper pull-back (see vc1cropmv.c,
vc1CROPMV_ChromaPullBack())
- uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1);
- uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1);
- if (i < 2 ? dir : dir2) {
- srcU = s->next_picture.f->data[1] + uvsrc_y * s->uvlinesize +
uvsrc_x;
- srcV = s->next_picture.f->data[2] + uvsrc_y * s->uvlinesize +
uvsrc_x;
- lutuv = v->next_lutuv;
- use_ic = v->next_use_ic;
- } else {
- srcU = s->last_picture.f->data[1] + uvsrc_y * s->uvlinesize +
uvsrc_x;
- srcV = s->last_picture.f->data[2] + uvsrc_y * s->uvlinesize +
uvsrc_x;
- lutuv = v->last_lutuv;
- use_ic = v->last_use_ic;
- }
- uvmx_field[i] = (uvmx_field[i] & 3) << 1;
- uvmy_field[i] = (uvmy_field[i] & 3) << 1;
-
- if (fieldmv && !(uvsrc_y & 1))
- v_edge_pos--;
- if (fieldmv && (uvsrc_y & 1) && uvsrc_y < 2)
- uvsrc_y--;
- if (use_ic
- || 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)) {
- s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcU,
- s->uvlinesize, s->uvlinesize,
- 5, (5 << fieldmv), uvsrc_x, uvsrc_y,
- s->h_edge_pos >> 1, v_edge_pos);
- s->vdsp.emulated_edge_mc(s->edge_emu_buffer + 16, srcV,
- s->uvlinesize, s->uvlinesize,
- 5, (5 << fieldmv), uvsrc_x, uvsrc_y,
- s->h_edge_pos >> 1, v_edge_pos);
- srcU = s->edge_emu_buffer;
- srcV = s->edge_emu_buffer + 16;
-
- /* if we deal with intensity compensation we need to scale source
blocks */
- if (use_ic) {
- int i, j;
- uint8_t *src, *src2;
-
- src = srcU;
- src2 = srcV;
- for (j = 0; j < 5; j++) {
- int f = (uvsrc_y + (j << fieldmv)) & 1;
- for (i = 0; i < 5; i++) {
- src[i] = lutuv[f][src[i]];
- src2[i] = lutuv[f][src2[i]];
- }
- src += s->uvlinesize << fieldmv;
- src2 += s->uvlinesize << fieldmv;
- }
- }
- }
- if (avg) {
- if (!v->rnd) {
- h264chroma->avg_h264_chroma_pixels_tab[1](s->dest[1] + off,
srcU, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
- h264chroma->avg_h264_chroma_pixels_tab[1](s->dest[2] + off,
srcV, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
- } else {
- v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[1](s->dest[1] +
off, srcU, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
- v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[1](s->dest[2] +
off, srcV, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
- }
- } else {
- if (!v->rnd) {
- h264chroma->put_h264_chroma_pixels_tab[1](s->dest[1] + off,
srcU, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
- h264chroma->put_h264_chroma_pixels_tab[1](s->dest[2] + off,
srcV, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
- } else {
- v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[1](s->dest[1] +
off, srcU, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
- v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[1](s->dest[2] +
off, srcV, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
- }
- }
- }
-}
-
/***********************************************************************/
/**
* @name VC-1 Block-level functions
@@ -1726,176 +981,6 @@ static void vc1_pred_mv_intfr(VC1Context *v, int n, int
dmv_x, int dmv_y,
}
}
-/** Motion compensation for direct or interpolated blocks in B-frames
- */
-static void vc1_interp_mc(VC1Context *v)
-{
- MpegEncContext *s = &v->s;
- H264ChromaContext *h264chroma = &v->h264chroma;
- uint8_t *srcY, *srcU, *srcV;
- int dxy, mx, my, uvmx, uvmy, src_x, src_y, uvsrc_x, uvsrc_y;
- int off, off_uv;
- int v_edge_pos = s->v_edge_pos >> v->field_mode;
- int use_ic = v->next_use_ic;
-
- if (!v->field_mode && !v->s.next_picture.f->data[0])
- return;
-
- mx = s->mv[1][0][0];
- my = s->mv[1][0][1];
- uvmx = (mx + ((mx & 3) == 3)) >> 1;
- uvmy = (my + ((my & 3) == 3)) >> 1;
- if (v->field_mode) {
- if (v->cur_field_type != v->ref_field_type[1])
- my = my - 2 + 4 * v->cur_field_type;
- uvmy = uvmy - 2 + 4 * v->cur_field_type;
- }
- if (v->fastuvmc) {
- uvmx = uvmx + ((uvmx < 0) ? -(uvmx & 1) : (uvmx & 1));
- uvmy = uvmy + ((uvmy < 0) ? -(uvmy & 1) : (uvmy & 1));
- }
- srcY = s->next_picture.f->data[0];
- srcU = s->next_picture.f->data[1];
- srcV = s->next_picture.f->data[2];
-
- src_x = s->mb_x * 16 + (mx >> 2);
- src_y = s->mb_y * 16 + (my >> 2);
- uvsrc_x = s->mb_x * 8 + (uvmx >> 2);
- uvsrc_y = s->mb_y * 8 + (uvmy >> 2);
-
- if (v->profile != PROFILE_ADVANCED) {
- src_x = av_clip( src_x, -16, s->mb_width * 16);
- src_y = av_clip( src_y, -16, s->mb_height * 16);
- uvsrc_x = av_clip(uvsrc_x, -8, s->mb_width * 8);
- uvsrc_y = av_clip(uvsrc_y, -8, s->mb_height * 8);
- } else {
- src_x = av_clip( src_x, -17, s->avctx->coded_width);
- src_y = av_clip( src_y, -18, s->avctx->coded_height + 1);
- uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1);
- uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1);
- }
-
- srcY += src_y * s->linesize + src_x;
- srcU += uvsrc_y * s->uvlinesize + uvsrc_x;
- 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];
- }
-
- /* for grayscale we should not try to read from unknown area */
- if (s->flags & CODEC_FLAG_GRAY) {
- srcU = s->edge_emu_buffer + 18 * s->linesize;
- srcV = s->edge_emu_buffer + 18 * s->linesize;
- }
-
- if (v->rangeredfrm || s->h_edge_pos < 22 || v_edge_pos < 22 || use_ic
- || (unsigned)(src_x - 1) > s->h_edge_pos - (mx & 3) - 16 - 3
- || (unsigned)(src_y - 1) > v_edge_pos - (my & 3) - 16 - 3) {
- uint8_t *uvbuf = s->edge_emu_buffer + 19 * s->linesize;
-
- srcY -= s->mspel * (1 + s->linesize);
- s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY,
- s->linesize, s->linesize,
- 17 + s->mspel * 2, 17 + s->mspel * 2,
- src_x - s->mspel, src_y - s->mspel,
- s->h_edge_pos, v_edge_pos);
- srcY = s->edge_emu_buffer;
- s->vdsp.emulated_edge_mc(uvbuf, 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(uvbuf + 16, srcV,
- s->uvlinesize, s->uvlinesize,
- 8 + 1, 8 + 1,
- uvsrc_x, uvsrc_y, s->h_edge_pos >> 1,
v_edge_pos >> 1);
- srcU = uvbuf;
- srcV = uvbuf + 16;
- /* if we deal with range reduction we need to scale source blocks */
- if (v->rangeredfrm) {
- int i, j;
- uint8_t *src, *src2;
-
- src = srcY;
- for (j = 0; j < 17 + s->mspel * 2; j++) {
- for (i = 0; i < 17 + s->mspel * 2; i++)
- src[i] = ((src[i] - 128) >> 1) + 128;
- src += s->linesize;
- }
- src = srcU;
- src2 = srcV;
- for (j = 0; j < 9; j++) {
- for (i = 0; i < 9; i++) {
- src[i] = ((src[i] - 128) >> 1) + 128;
- src2[i] = ((src2[i] - 128) >> 1) + 128;
- }
- src += s->uvlinesize;
- src2 += s->uvlinesize;
- }
- }
-
- if (use_ic) {
- uint8_t (*luty )[256] = v->next_luty;
- uint8_t (*lutuv)[256] = v->next_lutuv;
- int i, j;
- uint8_t *src, *src2;
-
- src = srcY;
- for (j = 0; j < 17 + s->mspel * 2; j++) {
- int f = v->field_mode ? v->ref_field_type[1] : ((j+src_y -
s->mspel) & 1);
- for (i = 0; i < 17 + s->mspel * 2; i++)
- src[i] = luty[f][src[i]];
- src += s->linesize;
- }
- src = srcU;
- src2 = srcV;
- for (j = 0; j < 9; j++) {
- int f = v->field_mode ? v->ref_field_type[1] : ((j+uvsrc_y) &
1);
- for (i = 0; i < 9; i++) {
- src[i] = lutuv[f][src[i]];
- src2[i] = lutuv[f][src2[i]];
- }
- src += s->uvlinesize;
- src2 += s->uvlinesize;
- }
- }
- srcY += s->mspel * (1 + s->linesize);
- }
-
- off = 0;
- off_uv = 0;
-
- if (s->mspel) {
- dxy = ((my & 3) << 2) | (mx & 3);
- v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off , srcY
, s->linesize, v->rnd);
- v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8, srcY +
8, s->linesize, v->rnd);
- srcY += s->linesize * 8;
- v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8 *
s->linesize , srcY , s->linesize, v->rnd);
- v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8 *
s->linesize + 8, srcY + 8, s->linesize, v->rnd);
- } else { // hpel mc
- dxy = (my & 2) | ((mx & 2) >> 1);
-
- if (!v->rnd)
- s->hdsp.avg_pixels_tab[0][dxy](s->dest[0] + off, srcY,
s->linesize, 16);
- else
- s->hdsp.avg_no_rnd_pixels_tab[dxy](s->dest[0] + off, srcY,
s->linesize, 16);
- }
-
- if (s->flags & CODEC_FLAG_GRAY) return;
- /* Chroma MC always uses qpel blilinear */
- uvmx = (uvmx & 3) << 1;
- uvmy = (uvmy & 3) << 1;
- if (!v->rnd) {
- h264chroma->avg_h264_chroma_pixels_tab[0](s->dest[1] + off_uv, srcU,
s->uvlinesize, 8, uvmx, uvmy);
- h264chroma->avg_h264_chroma_pixels_tab[0](s->dest[2] + off_uv, srcV,
s->uvlinesize, 8, uvmx, uvmy);
- } else {
- v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[0](s->dest[1] + off_uv,
srcU, s->uvlinesize, 8, uvmx, uvmy);
- v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[0](s->dest[2] + off_uv,
srcV, s->uvlinesize, 8, uvmx, uvmy);
- }
-}
-
static av_always_inline int scale_mv(int value, int bfrac, int inv, int qs)
{
int n = bfrac;
@@ -1921,17 +1006,17 @@ static inline void vc1_b_mc(VC1Context *v, int
dmv_x[2], int dmv_y[2],
int direct, int mode)
{
if (direct) {
- vc1_mc_1mv(v, 0);
- vc1_interp_mc(v);
+ ff_vc1_mc_1mv(v, 0);
+ ff_vc1_interp_mc(v);
return;
}
if (mode == BMV_TYPE_INTERPOLATED) {
- vc1_mc_1mv(v, 0);
- vc1_interp_mc(v);
+ ff_vc1_mc_1mv(v, 0);
+ ff_vc1_interp_mc(v);
return;
}
- vc1_mc_1mv(v, (mode == BMV_TYPE_BACKWARD));
+ ff_vc1_mc_1mv(v, (mode == BMV_TYPE_BACKWARD));
}
static void vc1_pred_b_mv(VC1Context *v, int dmv_x[2], int dmv_y[2],
@@ -3267,7 +2352,7 @@ static int vc1_decode_p_mb(VC1Context *v)
if (!v->ttmbf && !s->mb_intra && mb_has_coeffs)
ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table,
VC1_TTMB_VLC_BITS, 2);
- if (!s->mb_intra) vc1_mc_1mv(v, 0);
+ if (!s->mb_intra) ff_vc1_mc_1mv(v, 0);
dst_idx = 0;
for (i = 0; i < 6; i++) {
s->dc_val[0][s->block_index[i]] = 0;
@@ -3322,7 +2407,7 @@ static int vc1_decode_p_mb(VC1Context *v)
s->current_picture.mb_type[mb_pos] = MB_TYPE_SKIP;
s->current_picture.qscale_table[mb_pos] = 0;
vc1_pred_mv(v, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0],
0, 0);
- vc1_mc_1mv(v, 0);
+ ff_vc1_mc_1mv(v, 0);
}
} else { // 4MV mode
if (!skipped /* unskipped MB */) {
@@ -3343,7 +2428,7 @@ static int vc1_decode_p_mb(VC1Context *v)
}
vc1_pred_mv(v, i, dmv_x, dmv_y, 0, v->range_x, v->range_y,
v->mb_type[0], 0, 0);
if (!s->mb_intra)
- vc1_mc_4mv_luma(v, i, 0, 0);
+ ff_vc1_mc_4mv_luma(v, i, 0, 0);
intra_count += s->mb_intra;
is_intra[i] = s->mb_intra;
is_coded[i] = mb_has_coeffs;
@@ -3353,7 +2438,7 @@ static int vc1_decode_p_mb(VC1Context *v)
is_coded[i] = val;
}
if (i == 4)
- vc1_mc_4mv_chroma(v, 0);
+ ff_vc1_mc_4mv_chroma(v, 0);
v->mb_type[0][s->block_index[i]] = is_intra[i];
if (!coded_inter)
coded_inter = !is_intra[i] & is_coded[i];
@@ -3435,9 +2520,9 @@ static int vc1_decode_p_mb(VC1Context *v)
}
for (i = 0; i < 4; i++) {
vc1_pred_mv(v, i, 0, 0, 0, v->range_x, v->range_y,
v->mb_type[0], 0, 0);
- vc1_mc_4mv_luma(v, i, 0, 0);
+ ff_vc1_mc_4mv_luma(v, i, 0, 0);
}
- vc1_mc_4mv_chroma(v, 0);
+ ff_vc1_mc_4mv_chroma(v, 0);
s->current_picture.qscale_table[mb_pos] = 0;
}
}
@@ -3588,9 +2673,9 @@ static int vc1_decode_p_mb_intfr(VC1Context *v)
get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
}
vc1_pred_mv_intfr(v, i, dmv_x, dmv_y, 0, v->range_x,
v->range_y, v->mb_type[0], 0);
- vc1_mc_4mv_luma(v, i, 0, 0);
+ ff_vc1_mc_4mv_luma(v, i, 0, 0);
} else if (i == 4) {
- vc1_mc_4mv_chroma4(v, 0, 0, 0);
+ ff_vc1_mc_4mv_chroma4(v, 0, 0, 0);
}
}
} else if (twomv) {
@@ -3600,16 +2685,16 @@ static int vc1_decode_p_mb_intfr(VC1Context *v)
get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
}
vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 2, v->range_x,
v->range_y, v->mb_type[0], 0);
- vc1_mc_4mv_luma(v, 0, 0, 0);
- vc1_mc_4mv_luma(v, 1, 0, 0);
+ ff_vc1_mc_4mv_luma(v, 0, 0, 0);
+ ff_vc1_mc_4mv_luma(v, 1, 0, 0);
dmv_x = dmv_y = 0;
if (mvbp & 1) {
get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
}
vc1_pred_mv_intfr(v, 2, dmv_x, dmv_y, 2, v->range_x,
v->range_y, v->mb_type[0], 0);
- vc1_mc_4mv_luma(v, 2, 0, 0);
- vc1_mc_4mv_luma(v, 3, 0, 0);
- vc1_mc_4mv_chroma4(v, 0, 0, 0);
+ ff_vc1_mc_4mv_luma(v, 2, 0, 0);
+ ff_vc1_mc_4mv_luma(v, 3, 0, 0);
+ ff_vc1_mc_4mv_chroma4(v, 0, 0, 0);
} else {
mvbp = ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][2];
dmv_x = dmv_y = 0;
@@ -3617,7 +2702,7 @@ static int vc1_decode_p_mb_intfr(VC1Context *v)
get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
}
vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 1, v->range_x,
v->range_y, v->mb_type[0], 0);
- vc1_mc_1mv(v, 0);
+ ff_vc1_mc_1mv(v, 0);
}
if (cbp)
GET_MQUANT(); // p. 227
@@ -3657,7 +2742,7 @@ static int vc1_decode_p_mb_intfr(VC1Context *v)
v->blk_mv_type[s->block_index[2]] = 0;
v->blk_mv_type[s->block_index[3]] = 0;
vc1_pred_mv_intfr(v, 0, 0, 0, 1, v->range_x, v->range_y,
v->mb_type[0], 0);
- vc1_mc_1mv(v, 0);
+ ff_vc1_mc_1mv(v, 0);
}
if (s->mb_x == s->mb_width - 1)
memmove(v->is_intra_base, v->is_intra,
sizeof(v->is_intra_base[0])*s->mb_stride);
@@ -3734,7 +2819,7 @@ static int vc1_decode_p_mb_intfi(VC1Context *v)
get_mvdata_interlaced(v, &dmv_x, &dmv_y, &pred_flag);
}
vc1_pred_mv(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y,
v->mb_type[0], pred_flag, 0);
- vc1_mc_1mv(v, 0);
+ ff_vc1_mc_1mv(v, 0);
mb_has_coeffs = !(idx_mbmode & 2);
} else { // 4-MV
v->fourmvbp = get_vlc2(gb, v->fourmvbp_vlc->table,
VC1_4MV_BLOCK_PATTERN_VLC_BITS, 1);
@@ -3746,9 +2831,9 @@ static int vc1_decode_p_mb_intfi(VC1Context *v)
get_mvdata_interlaced(v, &dmv_x, &dmv_y, &pred_flag);
}
vc1_pred_mv(v, i, dmv_x, dmv_y, 0, v->range_x, v->range_y,
v->mb_type[0], pred_flag, 0);
- vc1_mc_4mv_luma(v, i, 0, 0);
+ ff_vc1_mc_4mv_luma(v, i, 0, 0);
} else if (i == 4)
- vc1_mc_4mv_chroma(v, 0);
+ ff_vc1_mc_4mv_chroma(v, 0);
}
mb_has_coeffs = idx_mbmode & 1;
}
@@ -4061,9 +3146,9 @@ static void vc1_decode_b_mb_intfi(VC1Context *v)
&pred_flag[bmvtype ==
BMV_TYPE_BACKWARD]);
}
vc1_pred_b_mv_intfi(v, i, dmv_x, dmv_y, 0, pred_flag);
- vc1_mc_4mv_luma(v, i, bmvtype == BMV_TYPE_BACKWARD, 0);
+ ff_vc1_mc_4mv_luma(v, i, bmvtype == BMV_TYPE_BACKWARD, 0);
} else if (i == 4)
- vc1_mc_4mv_chroma(v, bmvtype == BMV_TYPE_BACKWARD);
+ ff_vc1_mc_4mv_chroma(v, bmvtype == BMV_TYPE_BACKWARD);
}
mb_has_coeffs = idx_mbmode & 1;
}
@@ -4265,14 +3350,14 @@ static int vc1_decode_b_mb_intfr(VC1Context *v)
if (direct) {
if (twomv) {
for (i = 0; i < 4; i++) {
- vc1_mc_4mv_luma(v, i, 0, 0);
- vc1_mc_4mv_luma(v, i, 1, 1);
+ ff_vc1_mc_4mv_luma(v, i, 0, 0);
+ ff_vc1_mc_4mv_luma(v, i, 1, 1);
}
- vc1_mc_4mv_chroma4(v, 0, 0, 0);
- vc1_mc_4mv_chroma4(v, 1, 1, 1);
+ ff_vc1_mc_4mv_chroma4(v, 0, 0, 0);
+ ff_vc1_mc_4mv_chroma4(v, 1, 1, 1);
} else {
- vc1_mc_1mv(v, 0);
- vc1_interp_mc(v);
+ ff_vc1_mc_1mv(v, 0);
+ ff_vc1_interp_mc(v);
}
} else if (twomv && bmvtype == BMV_TYPE_INTERPOLATED) {
mvbp = v->fourmvbp;
@@ -4284,12 +3369,12 @@ static int vc1_decode_b_mb_intfr(VC1Context *v)
get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
j = i > 1 ? 2 : 0;
vc1_pred_mv_intfr(v, j, dmv_x, dmv_y, 2, v->range_x,
v->range_y, v->mb_type[0], dir);
- vc1_mc_4mv_luma(v, j, dir, dir);
- vc1_mc_4mv_luma(v, j+1, dir, dir);
+ ff_vc1_mc_4mv_luma(v, j, dir, dir);
+ ff_vc1_mc_4mv_luma(v, j+1, dir, dir);
}
- vc1_mc_4mv_chroma4(v, 0, 0, 0);
- vc1_mc_4mv_chroma4(v, 1, 1, 1);
+ ff_vc1_mc_4mv_chroma4(v, 0, 0, 0);
+ ff_vc1_mc_4mv_chroma4(v, 1, 1, 1);
} else if (bmvtype == BMV_TYPE_INTERPOLATED) {
mvbp = v->twomvbp;
dmv_x = dmv_y = 0;
@@ -4297,14 +3382,14 @@ static int vc1_decode_b_mb_intfr(VC1Context *v)
get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 1, v->range_x,
v->range_y, v->mb_type[0], 0);
- vc1_mc_1mv(v, 0);
+ ff_vc1_mc_1mv(v, 0);
dmv_x = dmv_y = 0;
if (mvbp & 1)
get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 1, v->range_x,
v->range_y, v->mb_type[0], 1);
- vc1_interp_mc(v);
+ ff_vc1_interp_mc(v);
} else if (twomv) {
dir = bmvtype == BMV_TYPE_BACKWARD;
dir2 = dir;
@@ -4333,11 +3418,11 @@ static int vc1_decode_b_mb_intfr(VC1Context *v)
vc1_pred_mv_intfr(v, 2, 0, 0, 2, v->range_x, v->range_y,
v->mb_type[0], !dir);
}
- vc1_mc_4mv_luma(v, 0, dir, 0);
- vc1_mc_4mv_luma(v, 1, dir, 0);
- vc1_mc_4mv_luma(v, 2, dir2, 0);
- vc1_mc_4mv_luma(v, 3, dir2, 0);
- vc1_mc_4mv_chroma4(v, dir, dir2, 0);
+ ff_vc1_mc_4mv_luma(v, 0, dir, 0);
+ ff_vc1_mc_4mv_luma(v, 1, dir, 0);
+ ff_vc1_mc_4mv_luma(v, 2, dir2, 0);
+ ff_vc1_mc_4mv_luma(v, 3, dir2, 0);
+ ff_vc1_mc_4mv_chroma4(v, dir, dir2, 0);
} else {
dir = bmvtype == BMV_TYPE_BACKWARD;
@@ -4356,7 +3441,7 @@ static int vc1_decode_b_mb_intfr(VC1Context *v)
s->mv[!dir][i+2][0] = s->mv[!dir][i][0] =
s->current_picture.motion_val[!dir][s->block_index[i+2]][0] =
s->current_picture.motion_val[!dir][s->block_index[i]][0];
s->mv[!dir][i+2][1] = s->mv[!dir][i][1] =
s->current_picture.motion_val[!dir][s->block_index[i+2]][1] =
s->current_picture.motion_val[!dir][s->block_index[i]][1];
}
- vc1_mc_1mv(v, dir);
+ ff_vc1_mc_1mv(v, dir);
}
if (cbp)
@@ -4428,9 +3513,9 @@ static int vc1_decode_b_mb_intfr(VC1Context *v)
}
}
- vc1_mc_1mv(v, dir);
+ ff_vc1_mc_1mv(v, dir);
if (direct || bmvtype == BMV_TYPE_INTERPOLATED) {
- vc1_interp_mc(v);
+ ff_vc1_interp_mc(v);
}
}
}
diff --git a/libavcodec/vc1_mc.c b/libavcodec/vc1_mc.c
new file mode 100644
index 0000000..1de5505
--- /dev/null
+++ b/libavcodec/vc1_mc.c
@@ -0,0 +1,964 @@
+/*
+ * VC-1 and WMV3 decoder
+ * Copyright (c) 2011 Mashiat Sarker Shakkhar
+ * Copyright (c) 2006-2007 Konstantin Shishkov
+ * Partly based on vc9.c (c) 2005 Anonymous, Alex Beregszaszi, Michael
Niedermayer
+ *
+ * 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
+ */
+
+/**
+ * @file
+ * VC-1 and WMV3 block decoding routines
+ */
+
+#include "internal.h"
+#include "avcodec.h"
+#include "error_resilience.h"
+#include "mpeg_er.h"
+#include "mpegutils.h"
+#include "mpegvideo.h"
+#include "h263.h"
+#include "h264chroma.h"
+#include "qpeldsp.h"
+#include "vc1.h"
+#include "vc1data.h"
+#include "vc1acdata.h"
+#include "msmpeg4data.h"
+#include "unary.h"
+#include "mathops.h"
+
+#undef NDEBUG
+#include <assert.h>
+
+#define MB_INTRA_VLC_BITS 9
+#define DC_VLC_BITS 9
+
+/** Do motion compensation over 1 macroblock
+ * Mostly adapted hpel_motion and qpel_motion from mpegvideo.c
+ */
+void ff_vc1_mc_1mv(VC1Context *v, int dir)
+{
+ MpegEncContext *s = &v->s;
+ H264ChromaContext *h264chroma = &v->h264chroma;
+ uint8_t *srcY, *srcU, *srcV;
+ 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 i;
+ uint8_t (*luty)[256], (*lutuv)[256];
+ int use_ic;
+
+ if ((!v->field_mode ||
+ (v->ref_field_type[dir] == 1 && v->cur_field_type == 1)) &&
+ !v->s.last_picture.f->data[0])
+ return;
+
+ mx = s->mv[dir][0][0];
+ my = s->mv[dir][0][1];
+
+ // store motion vectors for further use in B frames
+ if (s->pict_type == AV_PICTURE_TYPE_P) {
+ for (i = 0; i < 4; i++) {
+ s->current_picture.motion_val[1][s->block_index[i] +
v->blocks_off][0] = mx;
+ s->current_picture.motion_val[1][s->block_index[i] +
v->blocks_off][1] = my;
+ }
+ }
+
+ uvmx = (mx + ((mx & 3) == 3)) >> 1;
+ uvmy = (my + ((my & 3) == 3)) >> 1;
+ v->luma_mv[s->mb_x][0] = uvmx;
+ v->luma_mv[s->mb_x][1] = uvmy;
+
+ if (v->field_mode &&
+ v->cur_field_type != v->ref_field_type[dir]) {
+ my = my - 2 + 4 * v->cur_field_type;
+ uvmy = uvmy - 2 + 4 * v->cur_field_type;
+ }
+
+ // fastuvmc shall be ignored for interlaced frame picture
+ if (v->fastuvmc && (v->fcm != ILACE_FRAME)) {
+ uvmx = uvmx + ((uvmx < 0) ? (uvmx & 1) : -(uvmx & 1));
+ uvmy = uvmy + ((uvmy < 0) ? (uvmy & 1) : -(uvmy & 1));
+ }
+ if (!dir) {
+ if (v->field_mode && (v->cur_field_type != v->ref_field_type[dir]) &&
v->second_field) {
+ srcY = s->current_picture.f->data[0];
+ srcU = s->current_picture.f->data[1];
+ srcV = s->current_picture.f->data[2];
+ luty = v->curr_luty;
+ lutuv = v->curr_lutuv;
+ use_ic = v->curr_use_ic;
+ } else {
+ srcY = s->last_picture.f->data[0];
+ srcU = s->last_picture.f->data[1];
+ srcV = s->last_picture.f->data[2];
+ luty = v->last_luty;
+ lutuv = v->last_lutuv;
+ use_ic = v->last_use_ic;
+ }
+ } else {
+ srcY = s->next_picture.f->data[0];
+ srcU = s->next_picture.f->data[1];
+ srcV = s->next_picture.f->data[2];
+ luty = v->next_luty;
+ lutuv = v->next_lutuv;
+ use_ic = v->next_use_ic;
+ }
+
+ if (!srcY || !srcU) {
+ av_log(v->s.avctx, AV_LOG_ERROR, "Referenced frame missing.\n");
+ return;
+ }
+
+ src_x = s->mb_x * 16 + (mx >> 2);
+ src_y = s->mb_y * 16 + (my >> 2);
+ uvsrc_x = s->mb_x * 8 + (uvmx >> 2);
+ uvsrc_y = s->mb_y * 8 + (uvmy >> 2);
+
+ if (v->profile != PROFILE_ADVANCED) {
+ src_x = av_clip( src_x, -16, s->mb_width * 16);
+ src_y = av_clip( src_y, -16, s->mb_height * 16);
+ uvsrc_x = av_clip(uvsrc_x, -8, s->mb_width * 8);
+ uvsrc_y = av_clip(uvsrc_y, -8, s->mb_height * 8);
+ } else {
+ src_x = av_clip( src_x, -17, s->avctx->coded_width);
+ src_y = av_clip( src_y, -18, s->avctx->coded_height + 1);
+ uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1);
+ uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1);
+ }
+
+ srcY += src_y * s->linesize + src_x;
+ srcU += uvsrc_y * s->uvlinesize + uvsrc_x;
+ 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];
+ }
+
+ /* for grayscale we should not try to read from unknown area */
+ if (s->flags & CODEC_FLAG_GRAY) {
+ srcU = s->edge_emu_buffer + 18 * s->linesize;
+ srcV = s->edge_emu_buffer + 18 * s->linesize;
+ }
+
+ if (v->rangeredfrm || use_ic
+ || s->h_edge_pos < 22 || v_edge_pos < 22
+ || (unsigned)(src_x - s->mspel) > s->h_edge_pos - (mx&3) - 16 -
s->mspel * 3
+ || (unsigned)(src_y - 1) > v_edge_pos - (my&3) - 16 - 3) {
+ uint8_t *uvbuf = s->edge_emu_buffer + 19 * s->linesize;
+
+ srcY -= s->mspel * (1 + s->linesize);
+ s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY,
+ s->linesize, s->linesize,
+ 17 + s->mspel * 2, 17 + s->mspel * 2,
+ src_x - s->mspel, src_y - s->mspel,
+ s->h_edge_pos, v_edge_pos);
+ srcY = s->edge_emu_buffer;
+ s->vdsp.emulated_edge_mc(uvbuf, 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(uvbuf + 16, srcV,
+ s->uvlinesize, s->uvlinesize,
+ 8 + 1, 8 + 1,
+ uvsrc_x, uvsrc_y, s->h_edge_pos >> 1,
v_edge_pos >> 1);
+ srcU = uvbuf;
+ srcV = uvbuf + 16;
+ /* if we deal with range reduction we need to scale source blocks */
+ if (v->rangeredfrm) {
+ int i, j;
+ uint8_t *src, *src2;
+
+ src = srcY;
+ for (j = 0; j < 17 + s->mspel * 2; j++) {
+ for (i = 0; i < 17 + s->mspel * 2; i++)
+ src[i] = ((src[i] - 128) >> 1) + 128;
+ src += s->linesize;
+ }
+ src = srcU;
+ src2 = srcV;
+ for (j = 0; j < 9; j++) {
+ for (i = 0; i < 9; i++) {
+ src[i] = ((src[i] - 128) >> 1) + 128;
+ src2[i] = ((src2[i] - 128) >> 1) + 128;
+ }
+ src += s->uvlinesize;
+ src2 += s->uvlinesize;
+ }
+ }
+ /* if we deal with intensity compensation we need to scale source
blocks */
+ if (use_ic) {
+ int i, j;
+ uint8_t *src, *src2;
+
+ src = srcY;
+ for (j = 0; j < 17 + s->mspel * 2; j++) {
+ int f = v->field_mode ? v->ref_field_type[dir] : ((j + src_y -
s->mspel) & 1) ;
+ for (i = 0; i < 17 + s->mspel * 2; i++)
+ src[i] = luty[f][src[i]];
+ src += s->linesize;
+ }
+ src = srcU;
+ src2 = srcV;
+ for (j = 0; j < 9; j++) {
+ int f = v->field_mode ? v->ref_field_type[dir] : ((j +
uvsrc_y) & 1);
+ for (i = 0; i < 9; i++) {
+ src[i] = lutuv[f][src[i]];
+ src2[i] = lutuv[f][src2[i]];
+ }
+ src += s->uvlinesize;
+ src2 += s->uvlinesize;
+ }
+ }
+ srcY += s->mspel * (1 + s->linesize);
+ }
+
+ if (s->mspel) {
+ dxy = ((my & 3) << 2) | (mx & 3);
+ v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] , srcY ,
s->linesize, v->rnd);
+ v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + 8, srcY + 8,
s->linesize, v->rnd);
+ srcY += s->linesize * 8;
+ v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + 8 * s->linesize
, srcY , s->linesize, v->rnd);
+ v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + 8 * s->linesize +
8, srcY + 8, s->linesize, v->rnd);
+ } else { // hpel mc - always used for luma
+ dxy = (my & 2) | ((mx & 2) >> 1);
+ if (!v->rnd)
+ s->hdsp.put_pixels_tab[0][dxy](s->dest[0], srcY, s->linesize, 16);
+ else
+ s->hdsp.put_no_rnd_pixels_tab[0][dxy](s->dest[0], srcY,
s->linesize, 16);
+ }
+
+ if (s->flags & CODEC_FLAG_GRAY) return;
+ /* Chroma MC always uses qpel bilinear */
+ uvmx = (uvmx & 3) << 1;
+ uvmy = (uvmy & 3) << 1;
+ if (!v->rnd) {
+ h264chroma->put_h264_chroma_pixels_tab[0](s->dest[1], srcU,
s->uvlinesize, 8, uvmx, uvmy);
+ h264chroma->put_h264_chroma_pixels_tab[0](s->dest[2], srcV,
s->uvlinesize, 8, uvmx, uvmy);
+ } else {
+ v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[0](s->dest[1], srcU,
s->uvlinesize, 8, uvmx, uvmy);
+ v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[0](s->dest[2], srcV,
s->uvlinesize, 8, uvmx, uvmy);
+ }
+}
+
+static inline int median4(int a, int b, int c, int d)
+{
+ if (a < b) {
+ if (c < d) return (FFMIN(b, d) + FFMAX(a, c)) / 2;
+ else return (FFMIN(b, c) + FFMAX(a, d)) / 2;
+ } else {
+ if (c < d) return (FFMIN(a, d) + FFMAX(b, c)) / 2;
+ else return (FFMIN(a, c) + FFMAX(b, d)) / 2;
+ }
+}
+
+/** Do motion compensation for 4-MV macroblock - luminance block
+ */
+void ff_vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg)
+{
+ MpegEncContext *s = &v->s;
+ uint8_t *srcY;
+ int dxy, mx, my, src_x, src_y;
+ int off;
+ int fieldmv = (v->fcm == ILACE_FRAME) ? v->blk_mv_type[s->block_index[n]]
: 0;
+ int v_edge_pos = s->v_edge_pos >> v->field_mode;
+ uint8_t (*luty)[256];
+ int use_ic;
+
+ if ((!v->field_mode ||
+ (v->ref_field_type[dir] == 1 && v->cur_field_type == 1)) &&
+ !v->s.last_picture.f->data[0])
+ return;
+
+ mx = s->mv[dir][n][0];
+ my = s->mv[dir][n][1];
+
+ if (!dir) {
+ if (v->field_mode && (v->cur_field_type != v->ref_field_type[dir]) &&
v->second_field) {
+ srcY = s->current_picture.f->data[0];
+ luty = v->curr_luty;
+ use_ic = v->curr_use_ic;
+ } else {
+ srcY = s->last_picture.f->data[0];
+ luty = v->last_luty;
+ use_ic = v->last_use_ic;
+ }
+ } else {
+ srcY = s->next_picture.f->data[0];
+ luty = v->next_luty;
+ use_ic = v->next_use_ic;
+ }
+
+ if (!srcY) {
+ av_log(v->s.avctx, AV_LOG_ERROR, "Referenced frame missing.\n");
+ return;
+ }
+
+ if (v->field_mode) {
+ if (v->cur_field_type != v->ref_field_type[dir])
+ my = my - 2 + 4 * v->cur_field_type;
+ }
+
+ if (s->pict_type == AV_PICTURE_TYPE_P && n == 3 && v->field_mode) {
+ int same_count = 0, opp_count = 0, k;
+ int chosen_mv[2][4][2], f;
+ int tx, ty;
+ for (k = 0; k < 4; k++) {
+ f = v->mv_f[0][s->block_index[k] + v->blocks_off];
+ chosen_mv[f][f ? opp_count : same_count][0] = s->mv[0][k][0];
+ chosen_mv[f][f ? opp_count : same_count][1] = s->mv[0][k][1];
+ opp_count += f;
+ same_count += 1 - f;
+ }
+ f = opp_count > same_count;
+ switch (f ? opp_count : same_count) {
+ case 4:
+ tx = median4(chosen_mv[f][0][0], chosen_mv[f][1][0],
+ chosen_mv[f][2][0], chosen_mv[f][3][0]);
+ ty = median4(chosen_mv[f][0][1], chosen_mv[f][1][1],
+ chosen_mv[f][2][1], chosen_mv[f][3][1]);
+ break;
+ case 3:
+ tx = mid_pred(chosen_mv[f][0][0], chosen_mv[f][1][0],
chosen_mv[f][2][0]);
+ ty = mid_pred(chosen_mv[f][0][1], chosen_mv[f][1][1],
chosen_mv[f][2][1]);
+ break;
+ case 2:
+ tx = (chosen_mv[f][0][0] + chosen_mv[f][1][0]) / 2;
+ ty = (chosen_mv[f][0][1] + chosen_mv[f][1][1]) / 2;
+ break;
+ }
+ 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;
+ for (k = 0; k < 4; k++)
+ v->mv_f[1][s->block_index[k] + v->blocks_off] = f;
+ }
+
+ if (v->fcm == ILACE_FRAME) { // not sure if needed for other types of
picture
+ int qx, qy;
+ int width = s->avctx->coded_width;
+ int height = s->avctx->coded_height >> 1;
+ if (s->pict_type == AV_PICTURE_TYPE_P) {
+ s->current_picture.motion_val[1][s->block_index[n] +
v->blocks_off][0] = mx;
+ s->current_picture.motion_val[1][s->block_index[n] +
v->blocks_off][1] = my;
+ }
+ qx = (s->mb_x * 16) + (mx >> 2);
+ qy = (s->mb_y * 8) + (my >> 3);
+
+ if (qx < -17)
+ mx -= 4 * (qx + 17);
+ else if (qx > width)
+ mx -= 4 * (qx - width);
+ if (qy < -18)
+ my -= 8 * (qy + 18);
+ else if (qy > height + 1)
+ my -= 8 * (qy - height - 1);
+ }
+
+ if ((v->fcm == ILACE_FRAME) && fieldmv)
+ off = ((n > 1) ? s->linesize : 0) + (n & 1) * 8;
+ else
+ off = s->linesize * 4 * (n & 2) + (n & 1) * 8;
+
+ src_x = s->mb_x * 16 + (n & 1) * 8 + (mx >> 2);
+ if (!fieldmv)
+ src_y = s->mb_y * 16 + (n & 2) * 4 + (my >> 2);
+ else
+ src_y = s->mb_y * 16 + ((n > 1) ? 1 : 0) + (my >> 2);
+
+ if (v->profile != PROFILE_ADVANCED) {
+ src_x = av_clip(src_x, -16, s->mb_width * 16);
+ src_y = av_clip(src_y, -16, s->mb_height * 16);
+ } else {
+ src_x = av_clip(src_x, -17, s->avctx->coded_width);
+ if (v->fcm == ILACE_FRAME) {
+ if (src_y & 1)
+ src_y = av_clip(src_y, -17, s->avctx->coded_height + 1);
+ else
+ src_y = av_clip(src_y, -18, s->avctx->coded_height);
+ } else {
+ src_y = av_clip(src_y, -18, s->avctx->coded_height + 1);
+ }
+ }
+
+ srcY += src_y * s->linesize + src_x;
+ if (v->field_mode && v->ref_field_type[dir])
+ srcY += s->current_picture_ptr->f->linesize[0];
+
+ if (fieldmv && !(src_y & 1))
+ v_edge_pos--;
+ if (fieldmv && (src_y & 1) && src_y < 4)
+ src_y--;
+ if (v->rangeredfrm || use_ic
+ || s->h_edge_pos < 13 || v_edge_pos < 23
+ || (unsigned)(src_x - s->mspel) > s->h_edge_pos - (mx & 3) - 8 -
s->mspel * 2
+ || (unsigned)(src_y - (s->mspel << fieldmv)) > v_edge_pos - (my & 3) -
((8 + s->mspel * 2) << fieldmv)) {
+ srcY -= s->mspel * (1 + (s->linesize << fieldmv));
+ /* check emulate edge stride and offset */
+ s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY,
+ s->linesize, s->linesize,
+ 9 + s->mspel * 2, (9 + s->mspel * 2) <<
fieldmv,
+ src_x - s->mspel, src_y - (s->mspel <<
fieldmv),
+ s->h_edge_pos, v_edge_pos);
+ srcY = s->edge_emu_buffer;
+ /* if we deal with range reduction we need to scale source blocks */
+ if (v->rangeredfrm) {
+ int i, j;
+ uint8_t *src;
+
+ src = srcY;
+ for (j = 0; j < 9 + s->mspel * 2; j++) {
+ for (i = 0; i < 9 + s->mspel * 2; i++)
+ src[i] = ((src[i] - 128) >> 1) + 128;
+ src += s->linesize << fieldmv;
+ }
+ }
+ /* if we deal with intensity compensation we need to scale source
blocks */
+ if (use_ic) {
+ int i, j;
+ uint8_t *src;
+
+ src = srcY;
+ for (j = 0; j < 9 + s->mspel * 2; j++) {
+ int f = v->field_mode ? v->ref_field_type[dir] :
(((j<<fieldmv)+src_y - (s->mspel << fieldmv)) & 1);
+ for (i = 0; i < 9 + s->mspel * 2; i++)
+ src[i] = luty[f][src[i]];
+ src += s->linesize << fieldmv;
+ }
+ }
+ srcY += s->mspel * (1 + (s->linesize << fieldmv));
+ }
+
+ if (s->mspel) {
+ dxy = ((my & 3) << 2) | (mx & 3);
+ if (avg)
+ v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off, srcY,
s->linesize << fieldmv, v->rnd);
+ else
+ v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + off, srcY,
s->linesize << fieldmv, v->rnd);
+ } else { // hpel mc - always used for luma
+ dxy = (my & 2) | ((mx & 2) >> 1);
+ if (!v->rnd)
+ s->hdsp.put_pixels_tab[1][dxy](s->dest[0] + off, srcY,
s->linesize, 8);
+ else
+ s->hdsp.put_no_rnd_pixels_tab[1][dxy](s->dest[0] + off, srcY,
s->linesize, 8);
+ }
+}
+
+static av_always_inline int get_chroma_mv(int *mvx, int *mvy, int *a, int
flag, int *tx, int *ty)
+{
+ int idx, i;
+ static const int count[16] = { 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3,
3, 4};
+
+ idx = ((a[3] != flag) << 3)
+ | ((a[2] != flag) << 2)
+ | ((a[1] != flag) << 1)
+ | (a[0] != flag);
+ if (!idx) {
+ *tx = median4(mvx[0], mvx[1], mvx[2], mvx[3]);
+ *ty = median4(mvy[0], mvy[1], mvy[2], mvy[3]);
+ return 4;
+ } else if (count[idx] == 1) {
+ switch (idx) {
+ case 0x1:
+ *tx = mid_pred(mvx[1], mvx[2], mvx[3]);
+ *ty = mid_pred(mvy[1], mvy[2], mvy[3]);
+ return 3;
+ case 0x2:
+ *tx = mid_pred(mvx[0], mvx[2], mvx[3]);
+ *ty = mid_pred(mvy[0], mvy[2], mvy[3]);
+ return 3;
+ case 0x4:
+ *tx = mid_pred(mvx[0], mvx[1], mvx[3]);
+ *ty = mid_pred(mvy[0], mvy[1], mvy[3]);
+ return 3;
+ case 0x8:
+ *tx = mid_pred(mvx[0], mvx[1], mvx[2]);
+ *ty = mid_pred(mvy[0], mvy[1], mvy[2]);
+ return 3;
+ }
+ } else if (count[idx] == 2) {
+ int t1 = 0, t2 = 0;
+ for (i = 0; i < 3; i++)
+ if (!a[i]) {
+ t1 = i;
+ break;
+ }
+ for (i = t1 + 1; i < 4; i++)
+ if (!a[i]) {
+ t2 = i;
+ break;
+ }
+ *tx = (mvx[t1] + mvx[t2]) / 2;
+ *ty = (mvy[t1] + mvy[t2]) / 2;
+ return 2;
+ } else {
+ return 0;
+ }
+ return -1;
+}
+
+/** Do motion compensation for 4-MV macroblock - both chroma blocks
+ */
+void ff_vc1_mc_4mv_chroma(VC1Context *v, int dir)
+{
+ MpegEncContext *s = &v->s;
+ H264ChromaContext *h264chroma = &v->h264chroma;
+ uint8_t *srcU, *srcV;
+ int uvmx, uvmy, uvsrc_x, uvsrc_y;
+ int k, tx = 0, ty = 0;
+ int mvx[4], mvy[4], intra[4], mv_f[4];
+ int valid_count;
+ int chroma_ref_type = v->cur_field_type;
+ int v_edge_pos = s->v_edge_pos >> v->field_mode;
+ uint8_t (*lutuv)[256];
+ int use_ic;
+
+ if (!v->field_mode && !v->s.last_picture.f->data[0])
+ return;
+ if (s->flags & CODEC_FLAG_GRAY)
+ return;
+
+ for (k = 0; k < 4; k++) {
+ mvx[k] = s->mv[dir][k][0];
+ mvy[k] = s->mv[dir][k][1];
+ intra[k] = v->mb_type[0][s->block_index[k]];
+ if (v->field_mode)
+ mv_f[k] = v->mv_f[dir][s->block_index[k] + v->blocks_off];
+ }
+
+ /* calculate chroma MV vector from four luma MVs */
+ if (!v->field_mode || (v->field_mode && !v->numref)) {
+ valid_count = get_chroma_mv(mvx, mvy, intra, 0, &tx, &ty);
+ chroma_ref_type = v->reffield;
+ if (!valid_count) {
+ s->current_picture.motion_val[1][s->block_index[0] +
v->blocks_off][0] = 0;
+ s->current_picture.motion_val[1][s->block_index[0] +
v->blocks_off][1] = 0;
+ v->luma_mv[s->mb_x][0] = v->luma_mv[s->mb_x][1] = 0;
+ return; //no need to do MC for intra blocks
+ }
+ } else {
+ int dominant = 0;
+ if (mv_f[0] + mv_f[1] + mv_f[2] + mv_f[3] > 2)
+ dominant = 1;
+ valid_count = get_chroma_mv(mvx, mvy, mv_f, dominant, &tx, &ty);
+ if (dominant)
+ chroma_ref_type = !v->cur_field_type;
+ }
+ if (v->field_mode && chroma_ref_type == 1 && v->cur_field_type == 1 &&
!v->s.last_picture.f->data[0])
+ 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;
+ uvmx = (tx + ((tx & 3) == 3)) >> 1;
+ uvmy = (ty + ((ty & 3) == 3)) >> 1;
+
+ v->luma_mv[s->mb_x][0] = uvmx;
+ v->luma_mv[s->mb_x][1] = uvmy;
+
+ if (v->fastuvmc) {
+ uvmx = uvmx + ((uvmx < 0) ? (uvmx & 1) : -(uvmx & 1));
+ uvmy = uvmy + ((uvmy < 0) ? (uvmy & 1) : -(uvmy & 1));
+ }
+ // Field conversion bias
+ if (v->cur_field_type != chroma_ref_type)
+ uvmy += 2 - 4 * chroma_ref_type;
+
+ uvsrc_x = s->mb_x * 8 + (uvmx >> 2);
+ uvsrc_y = s->mb_y * 8 + (uvmy >> 2);
+
+ if (v->profile != PROFILE_ADVANCED) {
+ uvsrc_x = av_clip(uvsrc_x, -8, s->mb_width * 8);
+ uvsrc_y = av_clip(uvsrc_y, -8, s->mb_height * 8);
+ } else {
+ uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1);
+ uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1);
+ }
+
+ if (!dir) {
+ if (v->field_mode && (v->cur_field_type != chroma_ref_type) &&
v->second_field) {
+ srcU = s->current_picture.f->data[1];
+ srcV = s->current_picture.f->data[2];
+ lutuv = v->curr_lutuv;
+ use_ic = v->curr_use_ic;
+ } 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;
+ }
+ } 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;
+ }
+
+ if (!srcU) {
+ av_log(v->s.avctx, AV_LOG_ERROR, "Referenced frame missing.\n");
+ return;
+ }
+
+ srcU += uvsrc_y * s->uvlinesize + uvsrc_x;
+ srcV += uvsrc_y * s->uvlinesize + uvsrc_x;
+
+ if (v->field_mode) {
+ if (chroma_ref_type) {
+ srcU += s->current_picture_ptr->f->linesize[1];
+ srcV += s->current_picture_ptr->f->linesize[2];
+ }
+ }
+
+ if (v->rangeredfrm || use_ic
+ || 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->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->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);
+ srcU = s->edge_emu_buffer;
+ srcV = s->edge_emu_buffer + 16;
+
+ /* if we deal with range reduction we need to scale source blocks */
+ if (v->rangeredfrm) {
+ int i, j;
+ uint8_t *src, *src2;
+
+ src = srcU;
+ src2 = srcV;
+ for (j = 0; j < 9; j++) {
+ for (i = 0; i < 9; i++) {
+ src[i] = ((src[i] - 128) >> 1) + 128;
+ src2[i] = ((src2[i] - 128) >> 1) + 128;
+ }
+ src += s->uvlinesize;
+ src2 += s->uvlinesize;
+ }
+ }
+ /* if we deal with intensity compensation we need to scale source
blocks */
+ if (use_ic) {
+ int i, j;
+ uint8_t *src, *src2;
+
+ src = srcU;
+ src2 = srcV;
+ for (j = 0; j < 9; j++) {
+ int f = v->field_mode ? chroma_ref_type : ((j + uvsrc_y) & 1);
+ for (i = 0; i < 9; i++) {
+ src[i] = lutuv[f][src[i]];
+ src2[i] = lutuv[f][src2[i]];
+ }
+ src += s->uvlinesize;
+ src2 += s->uvlinesize;
+ }
+ }
+ }
+
+ /* Chroma MC always uses qpel bilinear */
+ uvmx = (uvmx & 3) << 1;
+ uvmy = (uvmy & 3) << 1;
+ if (!v->rnd) {
+ h264chroma->put_h264_chroma_pixels_tab[0](s->dest[1], srcU,
s->uvlinesize, 8, uvmx, uvmy);
+ h264chroma->put_h264_chroma_pixels_tab[0](s->dest[2], srcV,
s->uvlinesize, 8, uvmx, uvmy);
+ } else {
+ v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[0](s->dest[1], srcU,
s->uvlinesize, 8, uvmx, uvmy);
+ v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[0](s->dest[2], srcV,
s->uvlinesize, 8, uvmx, uvmy);
+ }
+}
+
+/** Do motion compensation for 4-MV interlaced frame chroma macroblock (both U
and V)
+ */
+void ff_vc1_mc_4mv_chroma4(VC1Context *v, int dir, int dir2, int avg)
+{
+ MpegEncContext *s = &v->s;
+ H264ChromaContext *h264chroma = &v->h264chroma;
+ uint8_t *srcU, *srcV;
+ int uvsrc_x, uvsrc_y;
+ int uvmx_field[4], uvmy_field[4];
+ int i, off, tx, ty;
+ int fieldmv = v->blk_mv_type[s->block_index[0]];
+ static const int s_rndtblfield[16] = { 0, 0, 1, 2, 4, 4, 5, 6, 2, 2, 3, 8,
6, 6, 7, 12 };
+ int v_dist = fieldmv ? 1 : 4; // vertical offset for lower sub-blocks
+ int v_edge_pos = s->v_edge_pos >> 1;
+ int use_ic;
+ uint8_t (*lutuv)[256];
+
+ if (s->flags & CODEC_FLAG_GRAY)
+ return;
+
+ for (i = 0; i < 4; i++) {
+ int d = i < 2 ? dir: dir2;
+ tx = s->mv[d][i][0];
+ uvmx_field[i] = (tx + ((tx & 3) == 3)) >> 1;
+ ty = s->mv[d][i][1];
+ if (fieldmv)
+ uvmy_field[i] = (ty >> 4) * 8 + s_rndtblfield[ty & 0xF];
+ else
+ uvmy_field[i] = (ty + ((ty & 3) == 3)) >> 1;
+ }
+
+ for (i = 0; i < 4; i++) {
+ off = (i & 1) * 4 + ((i & 2) ? v_dist * s->uvlinesize : 0);
+ uvsrc_x = s->mb_x * 8 + (i & 1) * 4 + (uvmx_field[i] >> 2);
+ uvsrc_y = s->mb_y * 8 + ((i & 2) ? v_dist : 0) + (uvmy_field[i] >> 2);
+ // FIXME: implement proper pull-back (see vc1cropmv.c,
vc1CROPMV_ChromaPullBack())
+ uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1);
+ uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1);
+ if (i < 2 ? dir : dir2) {
+ srcU = s->next_picture.f->data[1] + uvsrc_y * s->uvlinesize +
uvsrc_x;
+ srcV = s->next_picture.f->data[2] + uvsrc_y * s->uvlinesize +
uvsrc_x;
+ lutuv = v->next_lutuv;
+ use_ic = v->next_use_ic;
+ } else {
+ srcU = s->last_picture.f->data[1] + uvsrc_y * s->uvlinesize +
uvsrc_x;
+ srcV = s->last_picture.f->data[2] + uvsrc_y * s->uvlinesize +
uvsrc_x;
+ lutuv = v->last_lutuv;
+ use_ic = v->last_use_ic;
+ }
+ uvmx_field[i] = (uvmx_field[i] & 3) << 1;
+ uvmy_field[i] = (uvmy_field[i] & 3) << 1;
+
+ if (fieldmv && !(uvsrc_y & 1))
+ v_edge_pos--;
+ if (fieldmv && (uvsrc_y & 1) && uvsrc_y < 2)
+ uvsrc_y--;
+ if (use_ic
+ || 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)) {
+ s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcU,
+ s->uvlinesize, s->uvlinesize,
+ 5, (5 << fieldmv), uvsrc_x, uvsrc_y,
+ s->h_edge_pos >> 1, v_edge_pos);
+ s->vdsp.emulated_edge_mc(s->edge_emu_buffer + 16, srcV,
+ s->uvlinesize, s->uvlinesize,
+ 5, (5 << fieldmv), uvsrc_x, uvsrc_y,
+ s->h_edge_pos >> 1, v_edge_pos);
+ srcU = s->edge_emu_buffer;
+ srcV = s->edge_emu_buffer + 16;
+
+ /* if we deal with intensity compensation we need to scale source
blocks */
+ if (use_ic) {
+ int i, j;
+ uint8_t *src, *src2;
+
+ src = srcU;
+ src2 = srcV;
+ for (j = 0; j < 5; j++) {
+ int f = (uvsrc_y + (j << fieldmv)) & 1;
+ for (i = 0; i < 5; i++) {
+ src[i] = lutuv[f][src[i]];
+ src2[i] = lutuv[f][src2[i]];
+ }
+ src += s->uvlinesize << fieldmv;
+ src2 += s->uvlinesize << fieldmv;
+ }
+ }
+ }
+ if (avg) {
+ if (!v->rnd) {
+ h264chroma->avg_h264_chroma_pixels_tab[1](s->dest[1] + off,
srcU, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
+ h264chroma->avg_h264_chroma_pixels_tab[1](s->dest[2] + off,
srcV, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
+ } else {
+ v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[1](s->dest[1] +
off, srcU, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
+ v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[1](s->dest[2] +
off, srcV, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
+ }
+ } else {
+ if (!v->rnd) {
+ h264chroma->put_h264_chroma_pixels_tab[1](s->dest[1] + off,
srcU, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
+ h264chroma->put_h264_chroma_pixels_tab[1](s->dest[2] + off,
srcV, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
+ } else {
+ v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[1](s->dest[1] +
off, srcU, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
+ v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[1](s->dest[2] +
off, srcV, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
+ }
+ }
+ }
+}
+
+/** Motion compensation for direct or interpolated blocks in B-frames
+ */
+void ff_vc1_interp_mc(VC1Context *v)
+{
+ MpegEncContext *s = &v->s;
+ H264ChromaContext *h264chroma = &v->h264chroma;
+ uint8_t *srcY, *srcU, *srcV;
+ int dxy, mx, my, uvmx, uvmy, src_x, src_y, uvsrc_x, uvsrc_y;
+ int off, off_uv;
+ int v_edge_pos = s->v_edge_pos >> v->field_mode;
+ int use_ic = v->next_use_ic;
+
+ if (!v->field_mode && !v->s.next_picture.f->data[0])
+ return;
+
+ mx = s->mv[1][0][0];
+ my = s->mv[1][0][1];
+ uvmx = (mx + ((mx & 3) == 3)) >> 1;
+ uvmy = (my + ((my & 3) == 3)) >> 1;
+ if (v->field_mode) {
+ if (v->cur_field_type != v->ref_field_type[1])
+ my = my - 2 + 4 * v->cur_field_type;
+ uvmy = uvmy - 2 + 4 * v->cur_field_type;
+ }
+ if (v->fastuvmc) {
+ uvmx = uvmx + ((uvmx < 0) ? -(uvmx & 1) : (uvmx & 1));
+ uvmy = uvmy + ((uvmy < 0) ? -(uvmy & 1) : (uvmy & 1));
+ }
+ srcY = s->next_picture.f->data[0];
+ srcU = s->next_picture.f->data[1];
+ srcV = s->next_picture.f->data[2];
+
+ src_x = s->mb_x * 16 + (mx >> 2);
+ src_y = s->mb_y * 16 + (my >> 2);
+ uvsrc_x = s->mb_x * 8 + (uvmx >> 2);
+ uvsrc_y = s->mb_y * 8 + (uvmy >> 2);
+
+ if (v->profile != PROFILE_ADVANCED) {
+ src_x = av_clip( src_x, -16, s->mb_width * 16);
+ src_y = av_clip( src_y, -16, s->mb_height * 16);
+ uvsrc_x = av_clip(uvsrc_x, -8, s->mb_width * 8);
+ uvsrc_y = av_clip(uvsrc_y, -8, s->mb_height * 8);
+ } else {
+ src_x = av_clip( src_x, -17, s->avctx->coded_width);
+ src_y = av_clip( src_y, -18, s->avctx->coded_height + 1);
+ uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1);
+ uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1);
+ }
+
+ srcY += src_y * s->linesize + src_x;
+ srcU += uvsrc_y * s->uvlinesize + uvsrc_x;
+ 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];
+ }
+
+ /* for grayscale we should not try to read from unknown area */
+ if (s->flags & CODEC_FLAG_GRAY) {
+ srcU = s->edge_emu_buffer + 18 * s->linesize;
+ srcV = s->edge_emu_buffer + 18 * s->linesize;
+ }
+
+ if (v->rangeredfrm || s->h_edge_pos < 22 || v_edge_pos < 22 || use_ic
+ || (unsigned)(src_x - 1) > s->h_edge_pos - (mx & 3) - 16 - 3
+ || (unsigned)(src_y - 1) > v_edge_pos - (my & 3) - 16 - 3) {
+ uint8_t *uvbuf = s->edge_emu_buffer + 19 * s->linesize;
+
+ srcY -= s->mspel * (1 + s->linesize);
+ s->vdsp.emulated_edge_mc(s->edge_emu_buffer, srcY,
+ s->linesize, s->linesize,
+ 17 + s->mspel * 2, 17 + s->mspel * 2,
+ src_x - s->mspel, src_y - s->mspel,
+ s->h_edge_pos, v_edge_pos);
+ srcY = s->edge_emu_buffer;
+ s->vdsp.emulated_edge_mc(uvbuf, 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(uvbuf + 16, srcV,
+ s->uvlinesize, s->uvlinesize,
+ 8 + 1, 8 + 1,
+ uvsrc_x, uvsrc_y, s->h_edge_pos >> 1,
v_edge_pos >> 1);
+ srcU = uvbuf;
+ srcV = uvbuf + 16;
+ /* if we deal with range reduction we need to scale source blocks */
+ if (v->rangeredfrm) {
+ int i, j;
+ uint8_t *src, *src2;
+
+ src = srcY;
+ for (j = 0; j < 17 + s->mspel * 2; j++) {
+ for (i = 0; i < 17 + s->mspel * 2; i++)
+ src[i] = ((src[i] - 128) >> 1) + 128;
+ src += s->linesize;
+ }
+ src = srcU;
+ src2 = srcV;
+ for (j = 0; j < 9; j++) {
+ for (i = 0; i < 9; i++) {
+ src[i] = ((src[i] - 128) >> 1) + 128;
+ src2[i] = ((src2[i] - 128) >> 1) + 128;
+ }
+ src += s->uvlinesize;
+ src2 += s->uvlinesize;
+ }
+ }
+
+ if (use_ic) {
+ uint8_t (*luty )[256] = v->next_luty;
+ uint8_t (*lutuv)[256] = v->next_lutuv;
+ int i, j;
+ uint8_t *src, *src2;
+
+ src = srcY;
+ for (j = 0; j < 17 + s->mspel * 2; j++) {
+ int f = v->field_mode ? v->ref_field_type[1] : ((j+src_y -
s->mspel) & 1);
+ for (i = 0; i < 17 + s->mspel * 2; i++)
+ src[i] = luty[f][src[i]];
+ src += s->linesize;
+ }
+ src = srcU;
+ src2 = srcV;
+ for (j = 0; j < 9; j++) {
+ int f = v->field_mode ? v->ref_field_type[1] : ((j+uvsrc_y) &
1);
+ for (i = 0; i < 9; i++) {
+ src[i] = lutuv[f][src[i]];
+ src2[i] = lutuv[f][src2[i]];
+ }
+ src += s->uvlinesize;
+ src2 += s->uvlinesize;
+ }
+ }
+ srcY += s->mspel * (1 + s->linesize);
+ }
+
+ off = 0;
+ off_uv = 0;
+
+ if (s->mspel) {
+ dxy = ((my & 3) << 2) | (mx & 3);
+ v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off , srcY
, s->linesize, v->rnd);
+ v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8, srcY +
8, s->linesize, v->rnd);
+ srcY += s->linesize * 8;
+ v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8 *
s->linesize , srcY , s->linesize, v->rnd);
+ v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8 *
s->linesize + 8, srcY + 8, s->linesize, v->rnd);
+ } else { // hpel mc
+ dxy = (my & 2) | ((mx & 2) >> 1);
+
+ if (!v->rnd)
+ s->hdsp.avg_pixels_tab[0][dxy](s->dest[0] + off, srcY,
s->linesize, 16);
+ else
+ s->hdsp.avg_no_rnd_pixels_tab[dxy](s->dest[0] + off, srcY,
s->linesize, 16);
+ }
+
+ if (s->flags & CODEC_FLAG_GRAY) return;
+ /* Chroma MC always uses qpel blilinear */
+ uvmx = (uvmx & 3) << 1;
+ uvmy = (uvmy & 3) << 1;
+ if (!v->rnd) {
+ h264chroma->avg_h264_chroma_pixels_tab[0](s->dest[1] + off_uv, srcU,
s->uvlinesize, 8, uvmx, uvmy);
+ h264chroma->avg_h264_chroma_pixels_tab[0](s->dest[2] + off_uv, srcV,
s->uvlinesize, 8, uvmx, uvmy);
+ } else {
+ v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[0](s->dest[1] + off_uv,
srcU, s->uvlinesize, 8, uvmx, uvmy);
+ v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[0](s->dest[2] + off_uv,
srcV, s->uvlinesize, 8, uvmx, uvmy);
+ }
+}
--
2.1.0
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