* Copyright (c) 2006 Konstantin Shishkov
* Partly based on vc9.c (c) 2005 Anonymous, Alex Beregszaszi, Michael Niedermayer
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
int dmb_is_raw; ///< direct mb plane is raw
int skip_is_raw; ///< skip mb plane is not coded
uint8_t luty[256], lutuv[256]; // lookup tables used for intensity compensation
+ int use_ic; ///< use intensity compensation in B-frames
int rnd; ///< rounding control
/** Frame decoding info for S/M profiles only */
}
uvmx = (mx + ((mx & 3) == 3)) >> 1;
uvmy = (my + ((my & 3) == 3)) >> 1;
+ if(v->fastuvmc) {
+ uvmx = uvmx + ((uvmx<0)?(uvmx&1):-(uvmx&1));
+ uvmy = uvmy + ((uvmy<0)?(uvmy&1):-(uvmy&1));
+ }
if(!dir) {
srcY = s->last_picture.data[0];
srcU = s->last_picture.data[1];
srcY += s->mspel * (1 + s->linesize);
}
- if(v->fastuvmc) {
- uvmx = uvmx + ((uvmx<0)?(uvmx&1):-(uvmx&1));
- uvmy = uvmy + ((uvmy<0)?(uvmy&1):-(uvmy&1));
- }
-
if(s->mspel) {
dxy = ((my & 3) << 2) | (mx & 3);
dsp->put_vc1_mspel_pixels_tab[dxy](s->dest[0] , srcY , s->linesize, v->rnd);
s->current_picture.motion_val[1][s->block_index[0]][1] = ty;
uvmx = (tx + ((tx&3) == 3)) >> 1;
uvmy = (ty + ((ty&3) == 3)) >> 1;
+ if(v->fastuvmc) {
+ uvmx = uvmx + ((uvmx<0)?(uvmx&1):-(uvmx&1));
+ uvmy = uvmy + ((uvmy<0)?(uvmy&1):-(uvmy&1));
+ }
uvsrc_x = s->mb_x * 8 + (uvmx >> 2);
uvsrc_y = s->mb_y * 8 + (uvmy >> 2);
}
}
- if(v->fastuvmc) {
- uvmx = uvmx + ((uvmx<0)?(uvmx&1):-(uvmx&1));
- uvmy = uvmy + ((uvmy<0)?(uvmy&1):-(uvmy&1));
- }
-
/* Chroma MC always uses qpel bilinear */
uvdxy = ((uvmy & 3) << 2) | (uvmx & 3);
uvmx = (uvmx&3)<<1;
v->s.avctx->coded_height = (get_bits(gb, 12) + 1) << 1;
v->broadcast = get_bits1(gb);
v->interlace = get_bits1(gb);
+ if(v->interlace){
+ av_log(v->s.avctx, AV_LOG_ERROR, "Interlaced mode not supported (yet)\n");
+ return -1;
+ }
v->tfcntrflag = get_bits1(gb);
v->finterpflag = get_bits1(gb);
get_bits1(gb); // reserved
+
+ av_log(v->s.avctx, AV_LOG_DEBUG,
+ "Advanced Profile level %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n"
+ "LoopFilter=%i, ChromaFormat=%i, Pulldown=%i, Interlace: %i\n"
+ "TFCTRflag=%i, FINTERPflag=%i\n",
+ v->level, v->frmrtq_postproc, v->bitrtq_postproc,
+ v->s.loop_filter, v->chromaformat, v->broadcast, v->interlace,
+ v->tfcntrflag, v->finterpflag
+ );
+
v->psf = get_bits1(gb);
if(v->psf) { //PsF, 6.1.13
av_log(v->s.avctx, AV_LOG_ERROR, "Progressive Segmented Frame mode: not supported (yet)\n");
if(get_bits1(gb)) { //Display Info - decoding is not affected by it
int w, h, ar = 0;
av_log(v->s.avctx, AV_LOG_INFO, "Display extended info:\n");
- w = get_bits(gb, 14);
- h = get_bits(gb, 14);
+ w = get_bits(gb, 14) + 1;
+ h = get_bits(gb, 14) + 1;
av_log(v->s.avctx, AV_LOG_INFO, "Display dimensions: %ix%i\n", w, h);
- //TODO: store aspect ratio in AVCodecContext
if(get_bits1(gb))
ar = get_bits(gb, 4);
- if(ar == 15) {
+ if(ar && ar < 14){
+ v->s.avctx->sample_aspect_ratio = vc1_pixel_aspect[ar];
+ }else if(ar == 15){
w = get_bits(gb, 8);
h = get_bits(gb, 8);
+ v->s.avctx->sample_aspect_ratio = (AVRational){w, h};
}
if(get_bits1(gb)){ //framerate stuff
static int decode_entry_point(AVCodecContext *avctx, GetBitContext *gb)
{
VC1Context *v = avctx->priv_data;
- int i;
+ int i, blink, refdist;
av_log(avctx, AV_LOG_DEBUG, "Entry point: %08X\n", show_bits_long(gb, 32));
- get_bits1(gb); // broken link
- get_bits1(gb); // closed entry
+ blink = get_bits1(gb); // broken link
+ avctx->max_b_frames = 1 - get_bits1(gb); // 'closed entry' also signalize possible B-frames
v->panscanflag = get_bits1(gb);
- get_bits1(gb); // refdist flag
+ refdist = get_bits1(gb); // refdist flag
v->s.loop_filter = get_bits1(gb);
v->fastuvmc = get_bits1(gb);
v->extended_mv = get_bits1(gb);
skip_bits(gb, 3); // UV range, ignored for now
}
+ av_log(avctx, AV_LOG_DEBUG, "Entry point info:\n"
+ "BrokenLink=%i, ClosedEntry=%i, PanscanFlag=%i\n"
+ "RefDist=%i, Postproc=%i, FastUVMC=%i, ExtMV=%i\n"
+ "DQuant=%i, VSTransform=%i, Overlap=%i, Qmode=%i\n",
+ blink, 1 - avctx->max_b_frames, v->panscanflag, refdist, v->s.loop_filter,
+ v->fastuvmc, v->extended_mv, v->dquant, v->vstransform, v->overlap, v->quantizer_mode);
+
return 0;
}
//av_log(v->s.avctx, AV_LOG_INFO, "%c Frame: QP=[%i]%i (+%i/2) %i\n",
// (v->s.pict_type == P_TYPE) ? 'P' : ((v->s.pict_type == I_TYPE) ? 'I' : 'B'), pqindex, v->pq, v->halfpq, v->rangeredfrm);
+ if(v->s.pict_type == I_TYPE || v->s.pict_type == P_TYPE) v->use_ic = 0;
+
switch(v->s.pict_type) {
case P_TYPE:
if (v->pq < 5) v->tt_index = 0;
v->mv_mode2 = mv_pmode_table2[lowquant][get_prefix(gb, 1, 3)];
v->lumscale = get_bits(gb, 6);
v->lumshift = get_bits(gb, 6);
+ v->use_ic = 1;
/* fill lookup tables for intensity compensation */
if(!v->lumscale) {
scale = -64;
break;
case 1:
v->s.pict_type = B_TYPE;
- return -1;
-// break;
+ break;
case 2:
v->s.pict_type = I_TYPE;
break;
case 3:
v->s.pict_type = BI_TYPE;
- return -1;
-// break;
+ break;
case 4:
v->s.pict_type = P_TYPE; // skipped pic
v->p_frame_skipped = 1;
if(v->interlace)
v->uvsamp = get_bits1(gb);
if(v->finterpflag) v->interpfrm = get_bits(gb, 1);
+ if(v->s.pict_type == B_TYPE) {
+ v->bfraction = get_vlc2(gb, vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1);
+ v->bfraction = vc1_bfraction_lut[v->bfraction];
+ if(v->bfraction == 0) {
+ v->s.pict_type = BI_TYPE; /* XXX: should not happen here */
+ }
+ }
pqindex = get_bits(gb, 5);
v->pqindex = pqindex;
if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)
switch(v->s.pict_type) {
case I_TYPE:
+ case BI_TYPE:
status = bitplane_decoding(v->acpred_plane, &v->acpred_is_raw, v);
if (status < 0) return -1;
av_log(v->s.avctx, AV_LOG_DEBUG, "ACPRED plane encoding: "
v->ttfrm = TT_8X8;
}
break;
+ case B_TYPE:
+ if(v->postprocflag)
+ v->postproc = get_bits1(gb);
+ if (v->extended_mv) v->mvrange = get_prefix(gb, 0, 3);
+ else v->mvrange = 0;
+ v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13
+ v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11
+ v->range_x = 1 << (v->k_x - 1);
+ v->range_y = 1 << (v->k_y - 1);
+
+ if (v->pq < 5) v->tt_index = 0;
+ else if(v->pq < 13) v->tt_index = 1;
+ else v->tt_index = 2;
+
+ lowquant = (v->pq > 12) ? 0 : 1;
+ v->mv_mode = get_bits1(gb) ? MV_PMODE_1MV : MV_PMODE_1MV_HPEL_BILIN;
+ v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV);
+ v->s.mspel = v->s.quarter_sample;
+
+ status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v);
+ if (status < 0) return -1;
+ av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: "
+ "Imode: %i, Invert: %i\n", status>>1, status&1);
+ status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v);
+ if (status < 0) return -1;
+ av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: "
+ "Imode: %i, Invert: %i\n", status>>1, status&1);
+
+ v->s.mv_table_index = get_bits(gb, 2);
+ v->cbpcy_vlc = &vc1_cbpcy_p_vlc[get_bits(gb, 2)];
+
+ if (v->dquant)
+ {
+ av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n");
+ vop_dquant_decoding(v);
+ }
+
+ v->ttfrm = 0;
+ if (v->vstransform)
+ {
+ v->ttmbf = get_bits(gb, 1);
+ if (v->ttmbf)
+ {
+ v->ttfrm = ttfrm_to_tt[get_bits(gb, 2)];
+ }
+ } else {
+ v->ttmbf = 1;
+ v->ttfrm = TT_8X8;
+ }
+ break;
}
/* AC Syntax */
}
/* DC Syntax */
v->s.dc_table_index = get_bits(gb, 1);
- if (v->s.pict_type == I_TYPE && v->dquant) {
+ if ((v->s.pict_type == I_TYPE || v->s.pict_type == BI_TYPE) && v->dquant) {
av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n");
vop_dquant_decoding(v);
}
+ v->bi_type = 0;
+ if(v->s.pict_type == BI_TYPE) {
+ v->s.pict_type = B_TYPE;
+ v->bi_type = 1;
+ }
return 0;
}
/* Calculate hybrid prediction as specified in 8.3.5.3.5 */
if((!s->first_slice_line || (n==2 || n==3)) && (s->mb_x || (n==1 || n==3))) {
if(is_intra[xy - wrap])
- sum = ABS(px) + ABS(py);
+ sum = FFABS(px) + FFABS(py);
else
- sum = ABS(px - A[0]) + ABS(py - A[1]);
+ sum = FFABS(px - A[0]) + FFABS(py - A[1]);
if(sum > 32) {
if(get_bits1(&s->gb)) {
px = A[0];
}
} else {
if(is_intra[xy - 1])
- sum = ABS(px) + ABS(py);
+ sum = FFABS(px) + FFABS(py);
else
- sum = ABS(px - C[0]) + ABS(py - C[1]);
+ sum = FFABS(px - C[0]) + FFABS(py - C[1]);
if(sum > 32) {
if(get_bits1(&s->gb)) {
px = A[0];
my = s->mv[1][0][1];
uvmx = (mx + ((mx & 3) == 3)) >> 1;
uvmy = (my + ((my & 3) == 3)) >> 1;
+ if(v->fastuvmc) {
+ uvmx = uvmx + ((uvmx<0)?-(uvmx&1):(uvmx&1));
+ uvmy = uvmy + ((uvmy<0)?-(uvmy&1):(uvmy&1));
+ }
srcY = s->next_picture.data[0];
srcU = s->next_picture.data[1];
srcV = s->next_picture.data[2];
|| (unsigned)src_y > s->v_edge_pos - (my&3) - 16){
uint8_t *uvbuf= s->edge_emu_buffer + 19 * s->linesize;
- ff_emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize, 17, 17,
+ srcY -= s->mspel * (1 + s->linesize);
+ ff_emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize, 17+s->mspel*2, 17+s->mspel*2,
src_x - s->mspel, src_y - s->mspel, s->h_edge_pos, s->v_edge_pos);
srcY = s->edge_emu_buffer;
ff_emulated_edge_mc(uvbuf , srcU, s->uvlinesize, 8+1, 8+1,
uint8_t *src, *src2;
src = srcY;
- for(j = 0; j < 17; j++) {
- for(i = 0; i < 17; i++) src[i] = ((src[i] - 128) >> 1) + 128;
+ 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;
src2 += s->uvlinesize;
}
}
- }
-
- if(v->fastuvmc) {
- uvmx = uvmx + ((uvmx<0)?(uvmx&1):-(uvmx&1));
- uvmy = uvmy + ((uvmy<0)?(uvmy&1):-(uvmy&1));
+ srcY += s->mspel * (1 + s->linesize);
}
mx >>= 1;
if(s->flags & CODEC_FLAG_GRAY) return;
/* Chroma MC always uses qpel blilinear */
uvdxy = ((uvmy & 3) << 2) | (uvmx & 3);
- dsp->avg_qpel_pixels_tab[1][uvdxy](s->dest[1], srcU, s->uvlinesize);
- dsp->avg_qpel_pixels_tab[1][uvdxy](s->dest[2], srcV, s->uvlinesize);
+ uvmx = (uvmx&3)<<1;
+ uvmy = (uvmy&3)<<1;
+ dsp->avg_h264_chroma_pixels_tab[0](s->dest[1], srcU, s->uvlinesize, 8, uvmx, uvmy);
+ dsp->avg_h264_chroma_pixels_tab[0](s->dest[2], srcV, s->uvlinesize, 8, uvmx, uvmy);
}
-static always_inline int scale_mv(int value, int bfrac, int inv, int qs)
+static av_always_inline int scale_mv(int value, int bfrac, int inv, int qs)
{
int n = bfrac;
*/
static inline void vc1_b_mc(VC1Context *v, int dmv_x[2], int dmv_y[2], int direct, int mode)
{
+ if(v->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) 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) v->mv_mode = v->mv_mode2;
return;
}
- vc1_mc_1mv(v, (mode == BMV_TYPE_FORWARD));
+ if(v->use_ic && (mode == BMV_TYPE_BACKWARD)) v->mv_mode = v->mv_mode2;
+ vc1_mc_1mv(v, (mode == BMV_TYPE_BACKWARD));
+ if(v->use_ic) v->mv_mode = v->mv_mode2;
}
static inline void vc1_pred_b_mv(VC1Context *v, int dmv_x[2], int dmv_y[2], int direct, int mvtype)
s->current_picture.motion_val[1][xy][1] = 0;
return;
}
- s->mv[0][0][0] = scale_mv(s->next_picture.motion_val[1][xy][0], v->bfraction, 1, s->quarter_sample);
- s->mv[0][0][1] = scale_mv(s->next_picture.motion_val[1][xy][1], v->bfraction, 1, s->quarter_sample);
- s->mv[1][0][0] = scale_mv(s->next_picture.motion_val[1][xy][0], v->bfraction, 0, s->quarter_sample);
- s->mv[1][0][1] = scale_mv(s->next_picture.motion_val[1][xy][1], v->bfraction, 0, s->quarter_sample);
+ s->mv[0][0][0] = scale_mv(s->next_picture.motion_val[1][xy][0], v->bfraction, 0, s->quarter_sample);
+ s->mv[0][0][1] = scale_mv(s->next_picture.motion_val[1][xy][1], v->bfraction, 0, s->quarter_sample);
+ s->mv[1][0][0] = scale_mv(s->next_picture.motion_val[1][xy][0], v->bfraction, 1, s->quarter_sample);
+ s->mv[1][0][1] = scale_mv(s->next_picture.motion_val[1][xy][1], v->bfraction, 1, s->quarter_sample);
if(direct) {
s->current_picture.motion_val[0][xy][0] = s->mv[0][0][0];
s->current_picture.motion_val[0][xy][1] = s->mv[0][0][1];
return;
}
- if((mvtype == BMV_TYPE_BACKWARD) || (mvtype == BMV_TYPE_INTERPOLATED)) {
+ if((mvtype == BMV_TYPE_FORWARD) || (mvtype == BMV_TYPE_INTERPOLATED)) {
C = s->current_picture.motion_val[0][xy - 2];
A = s->current_picture.motion_val[0][xy - wrap*2];
off = (s->mb_x == (s->mb_width - 1)) ? -2 : 2;
/* Calculate hybrid prediction as specified in 8.3.5.3.5 */
if(0 && !s->first_slice_line && s->mb_x) {
if(is_intra[xy - wrap])
- sum = ABS(px) + ABS(py);
+ sum = FFABS(px) + FFABS(py);
else
- sum = ABS(px - A[0]) + ABS(py - A[1]);
+ sum = FFABS(px - A[0]) + FFABS(py - A[1]);
if(sum > 32) {
if(get_bits1(&s->gb)) {
px = A[0];
}
} else {
if(is_intra[xy - 2])
- sum = ABS(px) + ABS(py);
+ sum = FFABS(px) + FFABS(py);
else
- sum = ABS(px - C[0]) + ABS(py - C[1]);
+ sum = FFABS(px - C[0]) + FFABS(py - C[1]);
if(sum > 32) {
if(get_bits1(&s->gb)) {
px = A[0];
s->mv[0][0][0] = ((px + dmv_x[0] + r_x) & ((r_x << 1) - 1)) - r_x;
s->mv[0][0][1] = ((py + dmv_y[0] + r_y) & ((r_y << 1) - 1)) - r_y;
}
- if((mvtype == BMV_TYPE_FORWARD) || (mvtype == BMV_TYPE_INTERPOLATED)) {
+ if((mvtype == BMV_TYPE_BACKWARD) || (mvtype == BMV_TYPE_INTERPOLATED)) {
C = s->current_picture.motion_val[1][xy - 2];
A = s->current_picture.motion_val[1][xy - wrap*2];
off = (s->mb_x == (s->mb_width - 1)) ? -2 : 2;
/* Calculate hybrid prediction as specified in 8.3.5.3.5 */
if(0 && !s->first_slice_line && s->mb_x) {
if(is_intra[xy - wrap])
- sum = ABS(px) + ABS(py);
+ sum = FFABS(px) + FFABS(py);
else
- sum = ABS(px - A[0]) + ABS(py - A[1]);
+ sum = FFABS(px - A[0]) + FFABS(py - A[1]);
if(sum > 32) {
if(get_bits1(&s->gb)) {
px = A[0];
}
} else {
if(is_intra[xy - 2])
- sum = ABS(px) + ABS(py);
+ sum = FFABS(px) + FFABS(py);
else
- sum = ABS(px - C[0]) + ABS(py - C[1]);
+ sum = FFABS(px - C[0]) + FFABS(py - C[1]);
if(sum > 32) {
if(get_bits1(&s->gb)) {
px = A[0];
if(use_pred) {
/* scale predictors if needed*/
if(q2 && q1!=q2) {
- q1 = q1 * 2 - 1;
- q2 = q2 * 2 - 1;
+ q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1;
+ q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1;
if(dc_pred_dir) { //left
for(k = 1; k < 8; k++)
if(use_pred) {
memcpy(ac_val2, ac_val, 8 * 2);
if(q2 && q1!=q2) {
- q1 = q1 * 2 - 1;
- q2 = q2 * 2 - 1;
+ q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1;
+ q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1;
for(k = 1; k < 8; k++)
ac_val2[k] = (ac_val2[k] * q2 * vc1_dqscale[q1 - 1] + 0x20000) >> 18;
}
if(use_pred) {
memcpy(ac_val2 + 8, ac_val + 8, 8 * 2);
if(q2 && q1!=q2) {
- q1 = q1 * 2 - 1;
- q2 = q2 * 2 - 1;
+ q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1;
+ q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1;
for(k = 1; k < 8; k++)
ac_val2[k + 8] = (ac_val2[k + 8] * q2 * vc1_dqscale[q1 - 1] + 0x20000) >> 18;
}
ac_val -= 16 * s->block_wrap[n];
q1 = s->current_picture.qscale_table[mb_pos];
- if(dc_pred_dir && c_avail) q2 = s->current_picture.qscale_table[mb_pos - 1];
- if(!dc_pred_dir && a_avail) q2 = s->current_picture.qscale_table[mb_pos - s->mb_stride];
+ if(dc_pred_dir && c_avail && mb_pos) q2 = s->current_picture.qscale_table[mb_pos - 1];
+ if(!dc_pred_dir && a_avail && mb_pos >= s->mb_stride) q2 = s->current_picture.qscale_table[mb_pos - s->mb_stride];
if(n && n<4) q2 = q1;
if(coded) {
if(use_pred) {
/* scale predictors if needed*/
if(q2 && q1!=q2) {
- q1 = q1 * 2 - 1;
- q2 = q2 * 2 - 1;
+ q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1;
+ q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1;
if(dc_pred_dir) { //left
for(k = 1; k < 8; k++)
if(use_pred) {
memcpy(ac_val2, ac_val, 8 * 2);
if(q2 && q1!=q2) {
- q1 = q1 * 2 - 1;
- q2 = q2 * 2 - 1;
+ q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1;
+ q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1;
for(k = 1; k < 8; k++)
ac_val2[k] = (ac_val2[k] * q2 * vc1_dqscale[q1 - 1] + 0x20000) >> 18;
}
if(use_pred) {
memcpy(ac_val2 + 8, ac_val + 8, 8 * 2);
if(q2 && q1!=q2) {
- q1 = q1 * 2 - 1;
- q2 = q2 * 2 - 1;
+ q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1;
+ q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1;
for(k = 1; k < 8; k++)
ac_val2[k + 8] = (ac_val2[k + 8] * q2 * vc1_dqscale[q1 - 1] + 0x20000) >> 18;
}
for(j = 0; j < 64; j++) s->block[i][j] += 128;
s->dsp.put_pixels_clamped(s->block[i], s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
if(v->pq >= 9 && v->overlap) {
- if(v->a_avail)
- s->dsp.vc1_v_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2), (i<4) ? ((i&1)>>1) : (s->mb_y&1));
if(v->c_avail)
- s->dsp.vc1_h_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2), (i<4) ? (i&1) : (s->mb_x&1));
+ s->dsp.vc1_h_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
+ if(v->a_avail)
+ s->dsp.vc1_v_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
}
} else if(val) {
vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block);
for(j = 0; j < 64; j++) s->block[i][j] += 128;
s->dsp.put_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i&4)?s->uvlinesize:s->linesize);
if(v->pq >= 9 && v->overlap) {
- if(v->a_avail)
- s->dsp.vc1_v_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2), (i<4) ? ((i&1)>>1) : (s->mb_y&1));
if(v->c_avail)
- s->dsp.vc1_h_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2), (i<4) ? (i&1) : (s->mb_x&1));
+ s->dsp.vc1_h_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
+ if(v->a_avail)
+ s->dsp.vc1_v_overlap(s->dest[dst_idx] + off, s->linesize >> ((i & 4) >> 2));
}
} else if(is_coded[i]) {
status = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block);
break;
case 2:
bmvtype = BMV_TYPE_INTERPOLATED;
- dmv_x[1] = dmv_y[1] = 0;
+ dmv_x[0] = dmv_y[0] = 0;
}
}
}
vc1_pred_b_mv(v, dmv_x, dmv_y, direct, bmvtype);
} else {
if(bmvtype == BMV_TYPE_INTERPOLATED) {
- GET_MVDATA(dmv_x[1], dmv_y[1]);
+ GET_MVDATA(dmv_x[0], dmv_y[0]);
if(!mb_has_coeffs) {
/* interpolated skipped block */
vc1_pred_b_mv(v, dmv_x, dmv_y, direct, bmvtype);
mb_pos = s->mb_x + s->mb_y * s->mb_width;
s->current_picture.mb_type[mb_pos] = MB_TYPE_INTRA;
s->current_picture.qscale_table[mb_pos] = v->pq;
+ s->current_picture.motion_val[1][s->block_index[0]][0] = 0;
+ s->current_picture.motion_val[1][s->block_index[0]][1] = 0;
// do actual MB decoding and displaying
cbp = get_vlc2(&v->s.gb, ff_msmp4_mb_i_vlc.table, MB_INTRA_VLC_BITS, 2);
vc1_put_block(v, s->block);
if(v->pq >= 9 && v->overlap) {
- if(!s->first_slice_line) {
- s->dsp.vc1_v_overlap(s->dest[0], s->linesize, 0);
- s->dsp.vc1_v_overlap(s->dest[0] + 8, s->linesize, 0);
+ if(s->mb_x) {
+ s->dsp.vc1_h_overlap(s->dest[0], s->linesize);
+ s->dsp.vc1_h_overlap(s->dest[0] + 8 * s->linesize, s->linesize);
if(!(s->flags & CODEC_FLAG_GRAY)) {
- s->dsp.vc1_v_overlap(s->dest[1], s->uvlinesize, s->mb_y&1);
- s->dsp.vc1_v_overlap(s->dest[2], s->uvlinesize, s->mb_y&1);
+ s->dsp.vc1_h_overlap(s->dest[1], s->uvlinesize);
+ s->dsp.vc1_h_overlap(s->dest[2], s->uvlinesize);
}
}
- s->dsp.vc1_v_overlap(s->dest[0] + 8 * s->linesize, s->linesize, 1);
- s->dsp.vc1_v_overlap(s->dest[0] + 8 * s->linesize + 8, s->linesize, 1);
- if(s->mb_x) {
- s->dsp.vc1_h_overlap(s->dest[0], s->linesize, 0);
- s->dsp.vc1_h_overlap(s->dest[0] + 8 * s->linesize, s->linesize, 0);
+ s->dsp.vc1_h_overlap(s->dest[0] + 8, s->linesize);
+ s->dsp.vc1_h_overlap(s->dest[0] + 8 * s->linesize + 8, s->linesize);
+ if(!s->first_slice_line) {
+ s->dsp.vc1_v_overlap(s->dest[0], s->linesize);
+ s->dsp.vc1_v_overlap(s->dest[0] + 8, s->linesize);
if(!(s->flags & CODEC_FLAG_GRAY)) {
- s->dsp.vc1_h_overlap(s->dest[1], s->uvlinesize, s->mb_x&1);
- s->dsp.vc1_h_overlap(s->dest[2], s->uvlinesize, s->mb_x&1);
+ s->dsp.vc1_v_overlap(s->dest[1], s->uvlinesize);
+ s->dsp.vc1_v_overlap(s->dest[2], s->uvlinesize);
}
}
- s->dsp.vc1_h_overlap(s->dest[0] + 8, s->linesize, 1);
- s->dsp.vc1_h_overlap(s->dest[0] + 8 * s->linesize + 8, s->linesize, 1);
+ s->dsp.vc1_v_overlap(s->dest[0] + 8 * s->linesize, s->linesize);
+ s->dsp.vc1_v_overlap(s->dest[0] + 8 * s->linesize + 8, s->linesize);
}
if(get_bits_count(&s->gb) > v->bits) {
break;
}
- /* Set DC scale - y and c use the same */
- s->y_dc_scale = s->y_dc_scale_table[v->pq];
- s->c_dc_scale = s->c_dc_scale_table[v->pq];
-
//do frame decode
s->mb_x = s->mb_y = 0;
s->mb_intra = 1;
s->dsp.clear_blocks(s->block[0]);
mb_pos = s->mb_x + s->mb_y * s->mb_stride;
s->current_picture.mb_type[mb_pos] = MB_TYPE_INTRA;
+ s->current_picture.motion_val[1][s->block_index[0]][0] = 0;
+ s->current_picture.motion_val[1][s->block_index[0]][1] = 0;
// do actual MB decoding and displaying
cbp = get_vlc2(&v->s.gb, ff_msmp4_mb_i_vlc.table, MB_INTRA_VLC_BITS, 2);
GET_MQUANT();
s->current_picture.qscale_table[mb_pos] = mquant;
+ /* Set DC scale - y and c use the same */
+ s->y_dc_scale = s->y_dc_scale_table[mquant];
+ s->c_dc_scale = s->c_dc_scale_table[mquant];
for(k = 0; k < 6; k++) {
val = ((cbp >> (5 - k)) & 1);
vc1_put_block(v, s->block);
if(overlap) {
- if(!s->first_slice_line) {
- s->dsp.vc1_v_overlap(s->dest[0], s->linesize, 0);
- s->dsp.vc1_v_overlap(s->dest[0] + 8, s->linesize, 0);
+ if(s->mb_x) {
+ s->dsp.vc1_h_overlap(s->dest[0], s->linesize);
+ s->dsp.vc1_h_overlap(s->dest[0] + 8 * s->linesize, s->linesize);
if(!(s->flags & CODEC_FLAG_GRAY)) {
- s->dsp.vc1_v_overlap(s->dest[1], s->uvlinesize, s->mb_y&1);
- s->dsp.vc1_v_overlap(s->dest[2], s->uvlinesize, s->mb_y&1);
+ s->dsp.vc1_h_overlap(s->dest[1], s->uvlinesize);
+ s->dsp.vc1_h_overlap(s->dest[2], s->uvlinesize);
}
}
- s->dsp.vc1_v_overlap(s->dest[0] + 8 * s->linesize, s->linesize, 1);
- s->dsp.vc1_v_overlap(s->dest[0] + 8 * s->linesize + 8, s->linesize, 1);
- if(s->mb_x) {
- s->dsp.vc1_h_overlap(s->dest[0], s->linesize, 0);
- s->dsp.vc1_h_overlap(s->dest[0] + 8 * s->linesize, s->linesize, 0);
+ s->dsp.vc1_h_overlap(s->dest[0] + 8, s->linesize);
+ s->dsp.vc1_h_overlap(s->dest[0] + 8 * s->linesize + 8, s->linesize);
+ if(!s->first_slice_line) {
+ s->dsp.vc1_v_overlap(s->dest[0], s->linesize);
+ s->dsp.vc1_v_overlap(s->dest[0] + 8, s->linesize);
if(!(s->flags & CODEC_FLAG_GRAY)) {
- s->dsp.vc1_h_overlap(s->dest[1], s->uvlinesize, s->mb_x&1);
- s->dsp.vc1_h_overlap(s->dest[2], s->uvlinesize, s->mb_x&1);
+ s->dsp.vc1_v_overlap(s->dest[1], s->uvlinesize);
+ s->dsp.vc1_v_overlap(s->dest[2], s->uvlinesize);
}
}
- s->dsp.vc1_h_overlap(s->dest[0] + 8, s->linesize, 1);
- s->dsp.vc1_h_overlap(s->dest[0] + 8 * s->linesize + 8, s->linesize, 1);
+ s->dsp.vc1_v_overlap(s->dest[0] + 8 * s->linesize, s->linesize);
+ s->dsp.vc1_v_overlap(s->dest[0] + 8 * s->linesize + 8, s->linesize);
}
if(get_bits_count(&s->gb) > v->bits) {
vc1_decode_p_blocks(v);
break;
case B_TYPE:
- if(v->bi_type)
- vc1_decode_i_blocks(v);
- else
+ if(v->bi_type){
+ if(v->profile == PROFILE_ADVANCED)
+ vc1_decode_i_blocks_adv(v);
+ else
+ vc1_decode_i_blocks(v);
+ }else
vc1_decode_b_blocks(v);
break;
}
}
while(edata_size > 8) {
// test if we've found header
- if(BE_32(edata) == 0x0000010F) {
+ if(AV_RB32(edata) == 0x0000010F) {
edata += 4;
edata_size -= 4;
break;
while(edata_size > 8) {
// test if we've found entry point
- if(BE_32(edata) == 0x0000010E) {
+ if(AV_RB32(edata) == 0x0000010E) {
edata += 4;
edata_size -= 4;
break;
return -1;
}
avctx->has_b_frames= !!(avctx->max_b_frames);
+ s->low_delay = !avctx->has_b_frames;
s->mb_width = (avctx->coded_width+15)>>4;
s->mb_height = (avctx->coded_height+15)>>4;
s->current_picture_ptr= &s->picture[i];
}
- avctx->has_b_frames= !s->low_delay;
-
//for advanced profile we need to unescape buffer
if (avctx->codec_id == CODEC_ID_VC1) {
int i, buf_size2;
// do parse frame header
if(v->profile < PROFILE_ADVANCED) {
if(vc1_parse_frame_header(v, &s->gb) == -1) {
- if(buf2)av_free(buf2);
+ av_free(buf2);
return -1;
}
} else {
if(vc1_parse_frame_header_adv(v, &s->gb) == -1) {
- if(buf2)av_free(buf2);
+ av_free(buf2);
return -1;
}
}
if(s->pict_type != I_TYPE && !v->res_rtm_flag){
- if(buf2)av_free(buf2);
+ av_free(buf2);
return -1;
}
/* skip B-frames if we don't have reference frames */
if(s->last_picture_ptr==NULL && (s->pict_type==B_TYPE || s->dropable)){
- if(buf2)av_free(buf2);
+ av_free(buf2);
return -1;//buf_size;
}
/* skip b frames if we are in a hurry */
if( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==B_TYPE)
|| (avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=I_TYPE)
|| avctx->skip_frame >= AVDISCARD_ALL) {
- if(buf2)av_free(buf2);
+ av_free(buf2);
return buf_size;
}
/* skip everything if we are in a hurry>=5 */
if(avctx->hurry_up>=5) {
- if(buf2)av_free(buf2);
+ av_free(buf2);
return -1;//buf_size;
}
}
if(MPV_frame_start(s, avctx) < 0) {
- if(buf2)av_free(buf2);
+ av_free(buf2);
return -1;
}
/* we substract 1 because it is added on utils.c */
avctx->frame_number = s->picture_number - 1;
- if(buf2)av_free(buf2);
+ av_free(buf2);
return buf_size;
}
projects / ffmpeg / blobdiff