}
/* fill lookup tables for intensity compensation */
-#define INIT_LUT(lumscale, lumshift, luty, lutuv) do { \
+#define INIT_LUT(lumscale, lumshift, luty, lutuv, chain) do { \
int scale, shift, i; \
if (!lumscale) { \
scale = -64; \
shift = lumshift << 6; \
} \
for (i = 0; i < 256; i++) { \
- luty[i] = av_clip_uint8((scale * i + shift + 32) >> 6); \
- lutuv[i] = av_clip_uint8((scale * (i - 128) + 128*64 + 32) >> 6); \
+ int iy = chain ? luty[i] : i; \
+ int iu = chain ? lutuv[i] : i; \
+ luty[i] = av_clip_uint8((scale * iy + shift + 32) >> 6); \
+ lutuv[i] = av_clip_uint8((scale * (iu - 128) + 128*64 + 32) >> 6);\
} \
} while(0)
+static void rotate_luts(VC1Context *v)
+{
+#define ROTATE(DEF, L, N, C, A) do { \
+ if (v->s.pict_type == AV_PICTURE_TYPE_BI || v->s.pict_type == AV_PICTURE_TYPE_B) { \
+ C = A; \
+ } else { \
+ DEF; \
+ memcpy(&tmp, &L , sizeof(tmp)); \
+ memcpy(&L , &N , sizeof(tmp)); \
+ memcpy(&N , &tmp, sizeof(tmp)); \
+ C = N; \
+ } \
+ } while(0)
+
+ ROTATE(int tmp, v->last_use_ic, v->next_use_ic, v->curr_use_ic, v->aux_use_ic);
+ ROTATE(uint8_t tmp[2][256], v->last_luty, v->next_luty, v->curr_luty, v->aux_luty);
+ ROTATE(uint8_t tmp[2][256], v->last_lutuv, v->next_lutuv, v->curr_lutuv, v->aux_lutuv);
+
+ INIT_LUT(32, 0, v->curr_luty[0], v->curr_lutuv[0], 0);
+ INIT_LUT(32, 0, v->curr_luty[1], v->curr_lutuv[1], 0);
+ v->curr_use_ic = 0;
+}
+
int ff_vc1_parse_frame_header(VC1Context *v, GetBitContext* gb)
{
int pqindex, lowquant, status;
(v->s.pict_type == AV_PICTURE_TYPE_P) ? 'P' : ((v->s.pict_type == AV_PICTURE_TYPE_I) ? 'I' : 'B'),
pqindex, v->pq, v->halfpq, v->rangeredfrm);
- if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_P)
- v->use_ic = 0;
+ if (v->first_pic_header_flag)
+ rotate_luts(v);
switch (v->s.pict_type) {
case AV_PICTURE_TYPE_P:
v->mv_mode2 = ff_vc1_mv_pmode_table2[lowquant][get_unary(gb, 1, 3)];
v->lumscale = get_bits(gb, 6);
v->lumshift = get_bits(gb, 6);
- v->use_ic = 1;
+ v->last_use_ic = 1;
/* fill lookup tables for intensity compensation */
- INIT_LUT(v->lumscale, v->lumshift, v->luty, v->lutuv);
+ INIT_LUT(v->lumscale, v->lumshift, v->last_luty[0], v->last_lutuv[0], 1);
+ INIT_LUT(v->lumscale, v->lumshift, v->last_luty[1], v->last_lutuv[1], 1);
}
v->qs_last = v->s.quarter_sample;
if (v->mv_mode == MV_PMODE_1MV_HPEL || v->mv_mode == MV_PMODE_1MV_HPEL_BILIN)
if (v->postprocflag)
v->postproc = get_bits(gb, 2);
- if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_P)
- v->use_ic = 0;
-
if (v->parse_only)
return 0;
+ if (v->first_pic_header_flag)
+ rotate_luts(v);
+
switch (v->s.pict_type) {
case AV_PICTURE_TYPE_I:
case AV_PICTURE_TYPE_BI:
if (v->intcomp) {
v->lumscale = get_bits(gb, 6);
v->lumshift = get_bits(gb, 6);
- INIT_LUT(v->lumscale, v->lumshift, v->luty, v->lutuv);
+ INIT_LUT(v->lumscale, v->lumshift, v->last_luty[0], v->last_lutuv[0], 1);
+ INIT_LUT(v->lumscale, v->lumshift, v->last_luty[1], v->last_lutuv[1], 1);
+ v->last_use_ic = 1;
}
status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v);
av_log(v->s.avctx, AV_LOG_DEBUG, "SKIPMB plane encoding: "
int mvmode2;
mvmode2 = get_unary(gb, 1, 3);
v->mv_mode2 = ff_vc1_mv_pmode_table2[lowquant][mvmode2];
- if (v->field_mode)
- v->intcompfield = decode210(gb);
- v->lumscale = get_bits(gb, 6);
- v->lumshift = get_bits(gb, 6);
- INIT_LUT(v->lumscale, v->lumshift, v->luty, v->lutuv);
- if ((v->field_mode) && !v->intcompfield) {
+ if (v->field_mode) {
+ v->intcompfield = decode210(gb) ^ 3;
+ } else
+ v->intcompfield = 3;
+
+ v->lumscale2 = v->lumscale = 32;
+ v->lumshift2 = v->lumshift = 0;
+ if (v->intcompfield & 1) {
+ v->lumscale = get_bits(gb, 6);
+ v->lumshift = get_bits(gb, 6);
+ }
+ if ((v->intcompfield & 2) && v->field_mode) {
v->lumscale2 = get_bits(gb, 6);
v->lumshift2 = get_bits(gb, 6);
- INIT_LUT(v->lumscale2, v->lumshift2, v->luty2, v->lutuv2);
+ } else if(!v->field_mode) {
+ v->lumscale2 = v->lumscale;
+ v->lumshift2 = v->lumshift;
+ }
+ if (v->field_mode && v->second_field) {
+ if (v->cur_field_type) {
+ INIT_LUT(v->lumscale , v->lumshift , v->curr_luty[v->cur_field_type^1], v->curr_lutuv[v->cur_field_type^1], 0);
+ INIT_LUT(v->lumscale2, v->lumshift2, v->last_luty[v->cur_field_type ], v->last_lutuv[v->cur_field_type ], 1);
+ } else {
+ INIT_LUT(v->lumscale2, v->lumshift2, v->curr_luty[v->cur_field_type^1], v->curr_lutuv[v->cur_field_type^1], 0);
+ INIT_LUT(v->lumscale , v->lumshift , v->last_luty[v->cur_field_type ], v->last_lutuv[v->cur_field_type ], 1);
+ }
+ v->next_use_ic = v->curr_use_ic = 1;
+ } else {
+ INIT_LUT(v->lumscale , v->lumshift , v->last_luty[0], v->last_lutuv[0], 1);
+ INIT_LUT(v->lumscale2, v->lumshift2, v->last_luty[1], v->last_lutuv[1], 1);
}
- v->use_ic = 1;
+ v->last_use_ic = 1;
}
v->qs_last = v->s.quarter_sample;
if (v->mv_mode == MV_PMODE_1MV_HPEL || v->mv_mode == MV_PMODE_1MV_HPEL_BILIN)
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;
+ const uint8_t *luty, *lutuv;
if ((!v->field_mode ||
(v->ref_field_type[dir] == 1 && v->cur_field_type == 1)) &&
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 [v->ref_field_type[dir]];
+ lutuv = v->curr_lutuv[v->ref_field_type[dir]];
} 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 [v->ref_field_type[dir]];
+ lutuv = v->last_lutuv[v->ref_field_type[dir]];
}
} 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 [v->ref_field_type[dir]];
+ lutuv = v->next_lutuv[v->ref_field_type[dir]];
}
src_x = s->mb_x * 16 + (mx >> 2);
src = srcY;
for (j = 0; j < 17 + s->mspel * 2; j++) {
for (i = 0; i < 17 + s->mspel * 2; i++)
- src[i] = v->luty[src[i]];
+ src[i] = luty[src[i]];
src += s->linesize;
}
src = srcU;
src2 = srcV;
for (j = 0; j < 9; j++) {
for (i = 0; i < 9; i++) {
- src[i] = v->lutuv[src[i]];
- src2[i] = v->lutuv[src2[i]];
+ src[i] = lutuv[src[i]];
+ src2[i] = lutuv[src2[i]];
}
src += s->uvlinesize;
src2 += s->uvlinesize;
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;
+ const uint8_t *luty;
if ((!v->field_mode ||
(v->ref_field_type[dir] == 1 && v->cur_field_type == 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];
- } else
+ luty = v->curr_luty[v->ref_field_type[dir]];
+ } else {
srcY = s->last_picture.f.data[0];
- } else
+ luty = v->last_luty[v->ref_field_type[dir]];
+ }
+ } else {
srcY = s->next_picture.f.data[0];
+ luty = v->next_luty[v->ref_field_type[dir]];
+ }
if (v->field_mode) {
if (v->cur_field_type != v->ref_field_type[dir])
src = srcY;
for (j = 0; j < 9 + s->mspel * 2; j++) {
for (i = 0; i < 9 + s->mspel * 2; i++)
- src[i] = v->luty[src[i]];
+ src[i] = luty[src[i]];
src += s->linesize << fieldmv;
}
}
int valid_count;
int chroma_ref_type = v->cur_field_type;
int v_edge_pos = s->v_edge_pos >> v->field_mode;
+ const uint8_t *lutuv;
if (!v->field_mode && !v->s.last_picture.f.data[0])
return;
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[chroma_ref_type];
} else {
srcU = s->last_picture.f.data[1];
srcV = s->last_picture.f.data[2];
+ lutuv = v->last_lutuv[chroma_ref_type];
}
} else {
srcU = s->next_picture.f.data[1];
srcV = s->next_picture.f.data[2];
+ lutuv = v->next_lutuv[chroma_ref_type];
}
srcU += uvsrc_y * s->uvlinesize + uvsrc_x;
src2 = srcV;
for (j = 0; j < 9; j++) {
for (i = 0; i < 9; i++) {
- src[i] = v->lutuv[src[i]];
- src2[i] = v->lutuv[src2[i]];
+ src[i] = lutuv[src[i]];
+ src2[i] = lutuv[src2[i]];
}
src += s->uvlinesize;
src2 += s->uvlinesize;
if (v->mv_mode == MV_PMODE_INTENSITY_COMP) {
int i, j;
uint8_t *src, *src2;
+ const uint8_t *lutuv = v->last_lutuv[v->ref_field_type[0]];
src = srcU;
src2 = srcV;
for (j = 0; j < 5; j++) {
for (i = 0; i < 5; i++) {
- src[i] = v->lutuv[src[i]];
- src2[i] = v->lutuv[src2[i]];
+ src[i] = lutuv[src[i]];
+ src2[i] = lutuv[src2[i]];
}
src += s->uvlinesize << 1;
src2 += s->uvlinesize << 1;
static inline void vc1_b_mc(VC1Context *v, int dmv_x[2], int dmv_y[2],
int direct, int mode)
{
- if (v->use_ic) {
+ int use_ic = v->next_use_ic || v->curr_use_ic || v->last_use_ic;
+ if (use_ic) {
v->mv_mode2 = v->mv_mode;
v->mv_mode = MV_PMODE_INTENSITY_COMP;
}
if (direct) {
vc1_mc_1mv(v, 0);
vc1_interp_mc(v);
- if (v->use_ic)
+ if (use_ic)
v->mv_mode = v->mv_mode2;
return;
}
if (mode == BMV_TYPE_INTERPOLATED) {
vc1_mc_1mv(v, 0);
vc1_interp_mc(v);
- if (v->use_ic)
+ if (use_ic)
v->mv_mode = v->mv_mode2;
return;
}
- if (v->use_ic && (mode == BMV_TYPE_BACKWARD))
+ if (use_ic && (mode == BMV_TYPE_BACKWARD))
v->mv_mode = v->mv_mode2;
vc1_mc_1mv(v, (mode == BMV_TYPE_BACKWARD));
- if (v->use_ic)
+ if (use_ic)
v->mv_mode = v->mv_mode2;
}