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	f56a0b02cd
	
	
	
		
			
			Out-of-bounds reference pixel replication should take into account the frame coding mode of the reference frame(s), not the frame coding mode of the current frame. Signed-off-by: Jerome Borsboom <jerome.borsboom@carpalis.nl>
		
			
				
	
	
		
			1233 lines
		
	
	
		
			52 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1233 lines
		
	
	
		
			52 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * 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 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 2.1 of the License, or (at your option) any later version.
 | |
|  *
 | |
|  * 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 FFmpeg; 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 "avcodec.h"
 | |
| #include "h264chroma.h"
 | |
| #include "mathops.h"
 | |
| #include "mpegvideo.h"
 | |
| #include "vc1.h"
 | |
| 
 | |
| static av_always_inline void vc1_scale_luma(uint8_t *srcY,
 | |
|                                             int k, int linesize)
 | |
| {
 | |
|     int i, j;
 | |
|     for (j = 0; j < k; j++) {
 | |
|         for (i = 0; i < k; i++)
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|             srcY[i] = ((srcY[i] - 128) >> 1) + 128;
 | |
|         srcY += linesize;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static av_always_inline void vc1_scale_chroma(uint8_t *srcU, uint8_t *srcV,
 | |
|                                               int k, int uvlinesize)
 | |
| {
 | |
|     int i, j;
 | |
|     for (j = 0; j < k; j++) {
 | |
|         for (i = 0; i < k; i++) {
 | |
|             srcU[i] = ((srcU[i] - 128) >> 1) + 128;
 | |
|             srcV[i] = ((srcV[i] - 128) >> 1) + 128;
 | |
|         }
 | |
|         srcU += uvlinesize;
 | |
|         srcV += uvlinesize;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static av_always_inline void vc1_lut_scale_luma(uint8_t *srcY,
 | |
|                                                 uint8_t *lut1, uint8_t *lut2,
 | |
|                                                 int k, int linesize)
 | |
| {
 | |
|     int i, j;
 | |
| 
 | |
|     for (j = 0; j < k; j += 2) {
 | |
|         for (i = 0; i < k; i++)
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|             srcY[i] = lut1[srcY[i]];
 | |
|         srcY += linesize;
 | |
| 
 | |
|         if (j + 1 == k)
 | |
|             break;
 | |
| 
 | |
|         for (i = 0; i < k; i++)
 | |
|             srcY[i] = lut2[srcY[i]];
 | |
|         srcY += linesize;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static av_always_inline void vc1_lut_scale_chroma(uint8_t *srcU, uint8_t *srcV,
 | |
|                                                   uint8_t *lut1, uint8_t *lut2,
 | |
|                                                   int k, int uvlinesize)
 | |
| {
 | |
|     int i, j;
 | |
| 
 | |
|     for (j = 0; j < k; j += 2) {
 | |
|         for (i = 0; i < k; i++) {
 | |
|             srcU[i] = lut1[srcU[i]];
 | |
|             srcV[i] = lut1[srcV[i]];
 | |
|         }
 | |
|         srcU += uvlinesize;
 | |
|         srcV += uvlinesize;
 | |
| 
 | |
|         if (j + 1 == k)
 | |
|             break;
 | |
| 
 | |
|         for (i = 0; i < k; i++) {
 | |
|             srcU[i] = lut2[srcU[i]];
 | |
|             srcV[i] = lut2[srcV[i]];
 | |
|         }
 | |
|         srcU += uvlinesize;
 | |
|         srcV += uvlinesize;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static const uint8_t popcount4[16] = { 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4 };
 | |
| 
 | |
| static av_always_inline int get_luma_mv(VC1Context *v, int dir, int16_t *tx, int16_t *ty)
 | |
| {
 | |
|     MpegEncContext *s = &v->s;
 | |
|     int idx = v->mv_f[dir][s->block_index[0] + v->blocks_off] |
 | |
|              (v->mv_f[dir][s->block_index[1] + v->blocks_off] << 1) |
 | |
|              (v->mv_f[dir][s->block_index[2] + v->blocks_off] << 2) |
 | |
|              (v->mv_f[dir][s->block_index[3] + v->blocks_off] << 3);
 | |
|     static const uint8_t index2[16] = { 0, 0, 0, 0x23, 0, 0x13, 0x03, 0, 0, 0x12, 0x02, 0, 0x01, 0, 0, 0 };
 | |
|     int opp_count = popcount4[idx];
 | |
| 
 | |
|     switch (opp_count) {
 | |
|     case 0:
 | |
|     case 4:
 | |
|         *tx = median4(s->mv[dir][0][0], s->mv[dir][1][0], s->mv[dir][2][0], s->mv[dir][3][0]);
 | |
|         *ty = median4(s->mv[dir][0][1], s->mv[dir][1][1], s->mv[dir][2][1], s->mv[dir][3][1]);
 | |
|         break;
 | |
|     case 1:
 | |
|         *tx = mid_pred(s->mv[dir][idx < 2][0], s->mv[dir][1 + (idx < 4)][0], s->mv[dir][2 + (idx < 8)][0]);
 | |
|         *ty = mid_pred(s->mv[dir][idx < 2][1], s->mv[dir][1 + (idx < 4)][1], s->mv[dir][2 + (idx < 8)][1]);
 | |
|         break;
 | |
|     case 3:
 | |
|         *tx = mid_pred(s->mv[dir][idx > 0xd][0], s->mv[dir][1 + (idx > 0xb)][0], s->mv[dir][2 + (idx > 0x7)][0]);
 | |
|         *ty = mid_pred(s->mv[dir][idx > 0xd][1], s->mv[dir][1 + (idx > 0xb)][1], s->mv[dir][2 + (idx > 0x7)][1]);
 | |
|         break;
 | |
|     case 2:
 | |
|         *tx = (s->mv[dir][index2[idx] >> 4][0] + s->mv[dir][index2[idx] & 0xf][0]) / 2;
 | |
|         *ty = (s->mv[dir][index2[idx] >> 4][1] + s->mv[dir][index2[idx] & 0xf][1]) / 2;
 | |
|         break;
 | |
|     }
 | |
|     return opp_count;
 | |
| }
 | |
| 
 | |
| static av_always_inline int get_chroma_mv(VC1Context *v, int dir, int16_t *tx, int16_t *ty)
 | |
| {
 | |
|     MpegEncContext *s = &v->s;
 | |
|     int idx = !v->mb_type[0][s->block_index[0]] |
 | |
|              (!v->mb_type[0][s->block_index[1]] << 1) |
 | |
|              (!v->mb_type[0][s->block_index[2]] << 2) |
 | |
|              (!v->mb_type[0][s->block_index[3]] << 3);
 | |
|     static const uint8_t index2[16] = { 0, 0, 0, 0x01, 0, 0x02, 0x12, 0, 0, 0x03, 0x13, 0, 0x23, 0, 0, 0 };
 | |
|     int valid_count = popcount4[idx];
 | |
| 
 | |
|     switch (valid_count) {
 | |
|     case 4:
 | |
|         *tx = median4(s->mv[dir][0][0], s->mv[dir][1][0], s->mv[dir][2][0], s->mv[dir][3][0]);
 | |
|         *ty = median4(s->mv[dir][0][1], s->mv[dir][1][1], s->mv[dir][2][1], s->mv[dir][3][1]);
 | |
|         break;
 | |
|     case 3:
 | |
|         *tx = mid_pred(s->mv[dir][idx > 0xd][0], s->mv[dir][1 + (idx > 0xb)][0], s->mv[dir][2 + (idx > 0x7)][0]);
 | |
|         *ty = mid_pred(s->mv[dir][idx > 0xd][1], s->mv[dir][1 + (idx > 0xb)][1], s->mv[dir][2 + (idx > 0x7)][1]);
 | |
|         break;
 | |
|     case 2:
 | |
|         *tx = (s->mv[dir][index2[idx] >> 4][0] + s->mv[dir][index2[idx] & 0xf][0]) / 2;
 | |
|         *ty = (s->mv[dir][index2[idx] >> 4][1] + s->mv[dir][index2[idx] & 0xf][1]) / 2;
 | |
|         break;
 | |
|     default:
 | |
|         return 0;
 | |
|     }
 | |
|     return valid_count;
 | |
| }
 | |
| 
 | |
| /** 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;
 | |
|     int interlace;
 | |
|     int linesize, uvlinesize;
 | |
| 
 | |
|     if ((!v->field_mode ||
 | |
|          (v->ref_field_type[dir] == 1 && v->cur_field_type == 1)) &&
 | |
|         !v->s.last_picture.f->data[0])
 | |
|         return;
 | |
| 
 | |
|     linesize = s->current_picture_ptr->f->linesize[0];
 | |
|     uvlinesize = s->current_picture_ptr->f->linesize[1];
 | |
| 
 | |
|     mx = s->mv[dir][0][0];
 | |
|     my = s->mv[dir][0][1];
 | |
| 
 | |
|     // 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;
 | |
|             interlace = 1;
 | |
|         } 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;
 | |
|             interlace = s->last_picture.f->interlaced_frame;
 | |
|         }
 | |
|     } 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;
 | |
|         interlace = s->next_picture.f->interlaced_frame;
 | |
|     }
 | |
| 
 | |
|     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);
 | |
|         uvsrc_x = av_clip(uvsrc_x,  -8, s->avctx->coded_width  >> 1);
 | |
|         if (v->fcm == ILACE_FRAME) {
 | |
|             src_y = av_clip(src_y, -18 + (src_y & 1), s->avctx->coded_height + (src_y & 1));
 | |
|             uvsrc_y = av_clip(uvsrc_y, -8 + (uvsrc_y & 1), (s->avctx->coded_height >> 1) + (uvsrc_y & 1));
 | |
|         } else {
 | |
|             src_y = av_clip(src_y, -18, s->avctx->coded_height + 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 += linesize;
 | |
|         srcU += uvlinesize;
 | |
|         srcV += uvlinesize;
 | |
|     }
 | |
| 
 | |
|     /* for grayscale we should not try to read from unknown area */
 | |
|     if (CONFIG_GRAY && s->avctx->flags & AV_CODEC_FLAG_GRAY) {
 | |
|         srcU = s->sc.edge_emu_buffer + 18 * s->linesize;
 | |
|         srcV = s->sc.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 *ubuf = s->sc.edge_emu_buffer + 19 * s->linesize;
 | |
|         uint8_t *vbuf = ubuf + 9 * s->uvlinesize;
 | |
|         const int k = 17 + s->mspel * 2;
 | |
| 
 | |
|         srcY -= s->mspel * (1 + s->linesize);
 | |
|         if (interlace) {
 | |
|             s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
 | |
|                                      srcY,
 | |
|                                      linesize << 1,
 | |
|                                      linesize << 1,
 | |
|                                      k,
 | |
|                                      v->field_mode ? k : k + 1 >> 1,
 | |
|                                      src_x - s->mspel,
 | |
|                                      src_y - s->mspel >> !v->field_mode,
 | |
|                                      s->h_edge_pos,
 | |
|                                      s->v_edge_pos >> 1);
 | |
|             if (!v->field_mode)
 | |
|                 s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + linesize,
 | |
|                                          srcY + linesize,
 | |
|                                          linesize << 1,
 | |
|                                          linesize << 1,
 | |
|                                          k,
 | |
|                                          k >> 1,
 | |
|                                          src_x - s->mspel,
 | |
|                                          src_y - s->mspel + 1 >> 1,
 | |
|                                          s->h_edge_pos,
 | |
|                                          s->v_edge_pos >> 1);
 | |
|         } else
 | |
|             s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
 | |
|                                      srcY,
 | |
|                                      linesize,
 | |
|                                      linesize,
 | |
|                                      k,
 | |
|                                      v->field_mode ? (k << 1) - 1 : k,
 | |
|                                      src_x - s->mspel,
 | |
|                                      v->field_mode ? 2 * (src_y - s->mspel) + v->ref_field_type[dir] :
 | |
|                                                      src_y - s->mspel,
 | |
|                                      s->h_edge_pos,
 | |
|                                      s->v_edge_pos);
 | |
|         srcY = s->sc.edge_emu_buffer;
 | |
|         if (interlace) {
 | |
|             s->vdsp.emulated_edge_mc(ubuf,
 | |
|                                      srcU,
 | |
|                                      uvlinesize << 1,
 | |
|                                      uvlinesize << 1,
 | |
|                                      9,
 | |
|                                      v->field_mode ? 9 : 5,
 | |
|                                      uvsrc_x,
 | |
|                                      uvsrc_y >> !v->field_mode,
 | |
|                                      s->h_edge_pos >> 1,
 | |
|                                      s->v_edge_pos >> 2);
 | |
|             s->vdsp.emulated_edge_mc(vbuf,
 | |
|                                      srcV,
 | |
|                                      uvlinesize << 1,
 | |
|                                      uvlinesize << 1,
 | |
|                                      9,
 | |
|                                      v->field_mode ? 9 : 5,
 | |
|                                      uvsrc_x,
 | |
|                                      uvsrc_y >> !v->field_mode,
 | |
|                                      s->h_edge_pos >> 1,
 | |
|                                      s->v_edge_pos >> 2);
 | |
|             if (!v->field_mode) {
 | |
|                 s->vdsp.emulated_edge_mc(ubuf + uvlinesize,
 | |
|                                          srcU + uvlinesize,
 | |
|                                          uvlinesize << 1,
 | |
|                                          uvlinesize << 1,
 | |
|                                          9,
 | |
|                                          4,
 | |
|                                          uvsrc_x,
 | |
|                                          uvsrc_y + 1 >> 1,
 | |
|                                          s->h_edge_pos >> 1,
 | |
|                                          s->v_edge_pos >> 2);
 | |
|                 s->vdsp.emulated_edge_mc(vbuf + uvlinesize,
 | |
|                                          srcV + uvlinesize,
 | |
|                                          uvlinesize << 1,
 | |
|                                          uvlinesize << 1,
 | |
|                                          9,
 | |
|                                          4,
 | |
|                                          uvsrc_x,
 | |
|                                          uvsrc_y + 1 >> 1,
 | |
|                                          s->h_edge_pos >> 1,
 | |
|                                          s->v_edge_pos >> 2);
 | |
|             }
 | |
|         } else {
 | |
|             s->vdsp.emulated_edge_mc(ubuf,
 | |
|                                      srcU,
 | |
|                                      uvlinesize,
 | |
|                                      uvlinesize,
 | |
|                                      9,
 | |
|                                      v->field_mode ? 17 : 9,
 | |
|                                      uvsrc_x,
 | |
|                                      v->field_mode ? 2 * uvsrc_y + v->ref_field_type[dir] : uvsrc_y,
 | |
|                                      s->h_edge_pos >> 1,
 | |
|                                      s->v_edge_pos >> 1);
 | |
|             s->vdsp.emulated_edge_mc(vbuf,
 | |
|                                      srcV,
 | |
|                                      uvlinesize,
 | |
|                                      uvlinesize,
 | |
|                                      9,
 | |
|                                      v->field_mode ? 17 : 9,
 | |
|                                      uvsrc_x,
 | |
|                                      v->field_mode ? 2 * uvsrc_y + v->ref_field_type[dir] : uvsrc_y,
 | |
|                                      s->h_edge_pos >> 1,
 | |
|                                      s->v_edge_pos >> 1);
 | |
|         }
 | |
|         srcU = ubuf;
 | |
|         srcV = vbuf;
 | |
|         /* if we deal with range reduction we need to scale source blocks */
 | |
|         if (v->rangeredfrm) {
 | |
|             vc1_scale_luma(srcY, k, s->linesize);
 | |
|             vc1_scale_chroma(srcU, srcV, 9, s->uvlinesize);
 | |
|         }
 | |
|         /* if we deal with intensity compensation we need to scale source blocks */
 | |
|         if (use_ic) {
 | |
|             vc1_lut_scale_luma(srcY,
 | |
|                                luty[v->field_mode ? v->ref_field_type[dir] : ((0 + src_y - s->mspel) & 1)],
 | |
|                                luty[v->field_mode ? v->ref_field_type[dir] : ((1 + src_y - s->mspel) & 1)],
 | |
|                                k, s->linesize);
 | |
|             vc1_lut_scale_chroma(srcU, srcV,
 | |
|                                  lutuv[v->field_mode ? v->ref_field_type[dir] : ((0 + uvsrc_y) & 1)],
 | |
|                                  lutuv[v->field_mode ? v->ref_field_type[dir] : ((1 + uvsrc_y) & 1)],
 | |
|                                  9, s->uvlinesize);
 | |
|         }
 | |
|         srcY += s->mspel * (1 + s->linesize);
 | |
|     }
 | |
| 
 | |
|     if (s->mspel) {
 | |
|         dxy = ((my & 3) << 2) | (mx & 3);
 | |
|         v->vc1dsp.put_vc1_mspel_pixels_tab[0][dxy](s->dest[0], srcY, 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 (CONFIG_GRAY && s->avctx->flags & AV_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);
 | |
|     }
 | |
|     if (v->field_mode) {
 | |
|         v->mv_f[dir][s->block_index[4] + v->mb_off] = v->cur_field_type != v->ref_field_type[dir];
 | |
|         v->mv_f[dir][s->block_index[5] + v->mb_off] = v->cur_field_type != v->ref_field_type[dir];
 | |
|     }
 | |
| }
 | |
| 
 | |
| /** 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;
 | |
|     int interlace;
 | |
|     int linesize;
 | |
| 
 | |
|     if ((!v->field_mode ||
 | |
|          (v->ref_field_type[dir] == 1 && v->cur_field_type == 1)) &&
 | |
|         !v->s.last_picture.f->data[0])
 | |
|         return;
 | |
| 
 | |
|     linesize = s->current_picture_ptr->f->linesize[0];
 | |
| 
 | |
|     mx = s->mv[dir][n][0];
 | |
|     my = s->mv[dir][n][1];
 | |
| 
 | |
|     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;
 | |
|             interlace = 1;
 | |
|         } else {
 | |
|             srcY = s->last_picture.f->data[0];
 | |
|             luty = v->last_luty;
 | |
|             use_ic = v->last_use_ic;
 | |
|             interlace = s->last_picture.f->interlaced_frame;
 | |
|         }
 | |
|     } else {
 | |
|         srcY = s->next_picture.f->data[0];
 | |
|         luty = v->next_luty;
 | |
|         use_ic = v->next_use_ic;
 | |
|         interlace = s->next_picture.f->interlaced_frame;
 | |
|     }
 | |
| 
 | |
|     if (!srcY) {
 | |
|         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 opp_count = get_luma_mv(v, 0,
 | |
|                                     &s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][0],
 | |
|                                     &s->current_picture.motion_val[1][s->block_index[0] + v->blocks_off][1]);
 | |
|         int k, f = opp_count > 2;
 | |
|         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)
 | |
|             src_y = av_clip(src_y, -18 + (src_y & 1), s->avctx->coded_height + (src_y & 1));
 | |
|         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 += linesize;
 | |
| 
 | |
|     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)) {
 | |
|         const int k = 9 + s->mspel * 2;
 | |
| 
 | |
|         srcY -= s->mspel * (1 + (s->linesize << fieldmv));
 | |
|         /* check emulate edge stride and offset */
 | |
|         if (interlace) {
 | |
|             s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
 | |
|                                      srcY,
 | |
|                                      linesize << 1,
 | |
|                                      linesize << 1,
 | |
|                                      k,
 | |
|                                      v->field_mode ? k : (k << fieldmv) + 1 >> 1,
 | |
|                                      src_x - s->mspel,
 | |
|                                      src_y - (s->mspel << fieldmv) >> !v->field_mode,
 | |
|                                      s->h_edge_pos,
 | |
|                                      s->v_edge_pos >> 1);
 | |
|             if (!v->field_mode && !fieldmv)
 | |
|                 s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + linesize,
 | |
|                                          srcY + linesize,
 | |
|                                          linesize << 1,
 | |
|                                          linesize << 1,
 | |
|                                          k,
 | |
|                                          k >> 1,
 | |
|                                          src_x - s->mspel,
 | |
|                                          src_y - s->mspel + 1 >> 1,
 | |
|                                          s->h_edge_pos,
 | |
|                                          s->v_edge_pos >> 1);
 | |
|         } else
 | |
|             s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
 | |
|                                      srcY,
 | |
|                                      linesize,
 | |
|                                      linesize,
 | |
|                                      k,
 | |
|                                      v->field_mode ? (k << 1) - 1 : k << fieldmv,
 | |
|                                      src_x - s->mspel,
 | |
|                                      v->field_mode ? 2 * (src_y - s->mspel) + v->ref_field_type[dir] :
 | |
|                                                      src_y - (s->mspel << fieldmv),
 | |
|                                      s->h_edge_pos,
 | |
|                                      s->v_edge_pos);
 | |
|         srcY = s->sc.edge_emu_buffer;
 | |
|         /* if we deal with range reduction we need to scale source blocks */
 | |
|         if (v->rangeredfrm) {
 | |
|             vc1_scale_luma(srcY, k, s->linesize << fieldmv);
 | |
|         }
 | |
|         /* if we deal with intensity compensation we need to scale source blocks */
 | |
|         if (use_ic) {
 | |
|             vc1_lut_scale_luma(srcY,
 | |
|                                luty[v->field_mode ? v->ref_field_type[dir] : (((0<<fieldmv)+src_y - (s->mspel << fieldmv)) & 1)],
 | |
|                                luty[v->field_mode ? v->ref_field_type[dir] : (((1<<fieldmv)+src_y - (s->mspel << fieldmv)) & 1)],
 | |
|                                k, 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[1][dxy](s->dest[0] + off, srcY, s->linesize << fieldmv, v->rnd);
 | |
|         else
 | |
|             v->vc1dsp.put_vc1_mspel_pixels_tab[1][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);
 | |
|     }
 | |
| }
 | |
| 
 | |
| /** 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;
 | |
|     int16_t tx, ty;
 | |
|     int chroma_ref_type;
 | |
|     int v_edge_pos = s->v_edge_pos >> v->field_mode;
 | |
|     uint8_t (*lutuv)[256];
 | |
|     int use_ic;
 | |
|     int interlace;
 | |
|     int uvlinesize;
 | |
| 
 | |
|     if (!v->field_mode && !v->s.last_picture.f->data[0])
 | |
|         return;
 | |
|     if (CONFIG_GRAY && s->avctx->flags & AV_CODEC_FLAG_GRAY)
 | |
|         return;
 | |
| 
 | |
|     /* calculate chroma MV vector from four luma MVs */
 | |
|     if (!v->field_mode || !v->numref) {
 | |
|         int valid_count = get_chroma_mv(v, dir, &tx, &ty);
 | |
|         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
 | |
|         }
 | |
|         chroma_ref_type = v->ref_field_type[dir];
 | |
|     } else {
 | |
|         int opp_count = get_luma_mv(v, dir, &tx, &ty);
 | |
|         chroma_ref_type = v->cur_field_type ^ (opp_count > 2);
 | |
|     }
 | |
|     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;
 | |
| 
 | |
|     uvlinesize = s->current_picture_ptr->f->linesize[1];
 | |
| 
 | |
|     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;
 | |
|             interlace = 1;
 | |
|         } else {
 | |
|             srcU = s->last_picture.f->data[1];
 | |
|             srcV = s->last_picture.f->data[2];
 | |
|             lutuv = v->last_lutuv;
 | |
|             use_ic = v->last_use_ic;
 | |
|             interlace = s->last_picture.f->interlaced_frame;
 | |
|         }
 | |
|     } else {
 | |
|         srcU = s->next_picture.f->data[1];
 | |
|         srcV = s->next_picture.f->data[2];
 | |
|         lutuv = v->next_lutuv;
 | |
|         use_ic = v->next_use_ic;
 | |
|         interlace = s->next_picture.f->interlaced_frame;
 | |
|     }
 | |
| 
 | |
|     if (!srcU) {
 | |
|         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 += uvlinesize;
 | |
|             srcV += uvlinesize;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     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) {
 | |
|         if (interlace) {
 | |
|             s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
 | |
|                                      srcU,
 | |
|                                      uvlinesize << 1,
 | |
|                                      uvlinesize << 1,
 | |
|                                      9,
 | |
|                                      v->field_mode ? 9 : 5,
 | |
|                                      uvsrc_x,
 | |
|                                      uvsrc_y >> !v->field_mode,
 | |
|                                      s->h_edge_pos >> 1,
 | |
|                                      s->v_edge_pos >> 2);
 | |
|             s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + 16,
 | |
|                                      srcV,
 | |
|                                      uvlinesize << 1,
 | |
|                                      uvlinesize << 1,
 | |
|                                      9,
 | |
|                                      v->field_mode ? 9 : 5,
 | |
|                                      uvsrc_x,
 | |
|                                      uvsrc_y >> !v->field_mode,
 | |
|                                      s->h_edge_pos >> 1,
 | |
|                                      s->v_edge_pos >> 2);
 | |
|             if (!v->field_mode) {
 | |
|                 s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + uvlinesize,
 | |
|                                          srcU + uvlinesize,
 | |
|                                          uvlinesize << 1,
 | |
|                                          uvlinesize << 1,
 | |
|                                          9,
 | |
|                                          4,
 | |
|                                          uvsrc_x,
 | |
|                                          uvsrc_y + 1 >> 1,
 | |
|                                          s->h_edge_pos >> 1,
 | |
|                                          s->v_edge_pos >> 2);
 | |
|                 s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + 16 + uvlinesize,
 | |
|                                          srcV + uvlinesize,
 | |
|                                          uvlinesize << 1,
 | |
|                                          uvlinesize << 1,
 | |
|                                          9,
 | |
|                                          4,
 | |
|                                          uvsrc_x,
 | |
|                                          uvsrc_y + 1 >> 1,
 | |
|                                          s->h_edge_pos >> 1,
 | |
|                                          s->v_edge_pos >> 2);
 | |
|             }
 | |
|         } else {
 | |
|             s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
 | |
|                                      srcU,
 | |
|                                      uvlinesize,
 | |
|                                      uvlinesize,
 | |
|                                      9,
 | |
|                                      v->field_mode ? 17 : 9,
 | |
|                                      uvsrc_x,
 | |
|                                      v->field_mode ? 2 * uvsrc_y + chroma_ref_type : uvsrc_y,
 | |
|                                      s->h_edge_pos >> 1,
 | |
|                                      s->v_edge_pos >> 1);
 | |
|             s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + 16,
 | |
|                                      srcV,
 | |
|                                      uvlinesize,
 | |
|                                      uvlinesize,
 | |
|                                      9,
 | |
|                                      v->field_mode ? 17 : 9,
 | |
|                                      uvsrc_x,
 | |
|                                      v->field_mode ? 2 * uvsrc_y + chroma_ref_type : uvsrc_y,
 | |
|                                      s->h_edge_pos >> 1,
 | |
|                                      s->v_edge_pos >> 1);
 | |
|         }
 | |
|         srcU = s->sc.edge_emu_buffer;
 | |
|         srcV = s->sc.edge_emu_buffer + 16;
 | |
| 
 | |
|         /* if we deal with range reduction we need to scale source blocks */
 | |
|         if (v->rangeredfrm) {
 | |
|             vc1_scale_chroma(srcU, srcV, 9, s->uvlinesize);
 | |
|         }
 | |
|         /* if we deal with intensity compensation we need to scale source blocks */
 | |
|         if (use_ic) {
 | |
|             vc1_lut_scale_chroma(srcU, srcV,
 | |
|                                  lutuv[v->field_mode ? chroma_ref_type : ((0 + uvsrc_y) & 1)],
 | |
|                                  lutuv[v->field_mode ? chroma_ref_type : ((1 + uvsrc_y) & 1)],
 | |
|                                  9, 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);
 | |
|     }
 | |
|     if (v->field_mode) {
 | |
|         v->mv_f[dir][s->block_index[4] + v->mb_off] = v->cur_field_type != chroma_ref_type;
 | |
|         v->mv_f[dir][s->block_index[5] + v->mb_off] = v->cur_field_type != chroma_ref_type;
 | |
|     }
 | |
| }
 | |
| 
 | |
| /** 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 uint8_t 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;
 | |
|     int interlace;
 | |
|     int uvlinesize;
 | |
|     uint8_t (*lutuv)[256];
 | |
| 
 | |
|     if (CONFIG_GRAY && s->avctx->flags & AV_CODEC_FLAG_GRAY)
 | |
|         return;
 | |
| 
 | |
|     uvlinesize = s->current_picture_ptr->f->linesize[1];
 | |
| 
 | |
|     for (i = 0; i < 4; i++) {
 | |
|         int d = i < 2 ? dir: dir2;
 | |
|         tx = s->mv[d][i][0];
 | |
|         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);
 | |
|         if (v->fcm == ILACE_FRAME)
 | |
|             uvsrc_y = av_clip(uvsrc_y, -8 + (uvsrc_y & 1), (s->avctx->coded_height >> 1) + (uvsrc_y & 1));
 | |
|         else
 | |
|             uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1);
 | |
|         if (i < 2 ? dir : dir2) {
 | |
|             srcU = s->next_picture.f->data[1];
 | |
|             srcV = s->next_picture.f->data[2];
 | |
|             lutuv  = v->next_lutuv;
 | |
|             use_ic = v->next_use_ic;
 | |
|             interlace = s->next_picture.f->interlaced_frame;
 | |
|         } else {
 | |
|             srcU = s->last_picture.f->data[1];
 | |
|             srcV = s->last_picture.f->data[2];
 | |
|             lutuv  = v->last_lutuv;
 | |
|             use_ic = v->last_use_ic;
 | |
|             interlace = s->last_picture.f->interlaced_frame;
 | |
|         }
 | |
|         if (!srcU)
 | |
|             return;
 | |
|         srcU += uvsrc_y * s->uvlinesize + uvsrc_x;
 | |
|         srcV += uvsrc_y * s->uvlinesize + uvsrc_x;
 | |
|         uvmx_field[i] = (uvmx_field[i] & 3) << 1;
 | |
|         uvmy_field[i] = (uvmy_field[i] & 3) << 1;
 | |
| 
 | |
|         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)) {
 | |
|             if (interlace) {
 | |
|                 s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
 | |
|                                          srcU,
 | |
|                                          uvlinesize << 1,
 | |
|                                          uvlinesize << 1,
 | |
|                                          5,
 | |
|                                          (5 << fieldmv) + 1 >> 1,
 | |
|                                          uvsrc_x,
 | |
|                                          uvsrc_y >> 1,
 | |
|                                          s->h_edge_pos >> 1,
 | |
|                                          s->v_edge_pos >> 2);
 | |
|                 s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + 16,
 | |
|                                          srcV,
 | |
|                                          uvlinesize << 1,
 | |
|                                          uvlinesize << 1,
 | |
|                                          5,
 | |
|                                          (5 << fieldmv) + 1 >> 1,
 | |
|                                          uvsrc_x,
 | |
|                                          uvsrc_y >> 1,
 | |
|                                          s->h_edge_pos >> 1,
 | |
|                                          s->v_edge_pos >> 2);
 | |
|                 if (!fieldmv) {
 | |
|                     s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + uvlinesize,
 | |
|                                              srcU + uvlinesize,
 | |
|                                              uvlinesize << 1,
 | |
|                                              uvlinesize << 1,
 | |
|                                              5,
 | |
|                                              2,
 | |
|                                              uvsrc_x,
 | |
|                                              uvsrc_y + 1 >> 1,
 | |
|                                              s->h_edge_pos >> 1,
 | |
|                                              s->v_edge_pos >> 2);
 | |
|                     s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + 16 + uvlinesize,
 | |
|                                              srcV + uvlinesize,
 | |
|                                              uvlinesize << 1,
 | |
|                                              uvlinesize << 1,
 | |
|                                              5,
 | |
|                                              2,
 | |
|                                              uvsrc_x,
 | |
|                                              uvsrc_y + 1 >> 1,
 | |
|                                              s->h_edge_pos >> 1,
 | |
|                                              s->v_edge_pos >> 2);
 | |
|                 }
 | |
|             } else {
 | |
|                 s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
 | |
|                                          srcU,
 | |
|                                          uvlinesize,
 | |
|                                          uvlinesize,
 | |
|                                          5,
 | |
|                                          5 << fieldmv,
 | |
|                                          uvsrc_x,
 | |
|                                          uvsrc_y,
 | |
|                                          s->h_edge_pos >> 1,
 | |
|                                          s->v_edge_pos >> 1);
 | |
|                 s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + 16,
 | |
|                                          srcV,
 | |
|                                          uvlinesize,
 | |
|                                          uvlinesize,
 | |
|                                          5,
 | |
|                                          5 << fieldmv,
 | |
|                                          uvsrc_x,
 | |
|                                          uvsrc_y,
 | |
|                                          s->h_edge_pos >> 1,
 | |
|                                          s->v_edge_pos >> 1);
 | |
|             }
 | |
|             srcU = s->sc.edge_emu_buffer;
 | |
|             srcV = s->sc.edge_emu_buffer + 16;
 | |
| 
 | |
|             /* if we deal with intensity compensation we need to scale source blocks */
 | |
|             if (use_ic) {
 | |
|                 vc1_lut_scale_chroma(srcU, srcV,
 | |
|                                      lutuv[(uvsrc_y + (0 << fieldmv)) & 1],
 | |
|                                      lutuv[(uvsrc_y + (1 << fieldmv)) & 1],
 | |
|                                      5, 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 v_edge_pos = s->v_edge_pos >> v->field_mode;
 | |
|     int use_ic = v->next_use_ic;
 | |
|     int interlace;
 | |
|     int linesize, uvlinesize;
 | |
| 
 | |
|     if (!v->field_mode && !v->s.next_picture.f->data[0])
 | |
|         return;
 | |
| 
 | |
|     linesize = s->current_picture_ptr->f->linesize[0];
 | |
|     uvlinesize = s->current_picture_ptr->f->linesize[1];
 | |
| 
 | |
|     mx   = s->mv[1][0][0];
 | |
|     my   = s->mv[1][0][1];
 | |
|     uvmx = (mx + ((mx & 3) == 3)) >> 1;
 | |
|     uvmy = (my + ((my & 3) == 3)) >> 1;
 | |
|     if (v->field_mode && 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];
 | |
| 
 | |
|     interlace = s->next_picture.f->interlaced_frame;
 | |
| 
 | |
|     src_x   = s->mb_x * 16 + (mx   >> 2);
 | |
|     src_y   = s->mb_y * 16 + (my   >> 2);
 | |
|     uvsrc_x = s->mb_x *  8 + (uvmx >> 2);
 | |
|     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);
 | |
|         uvsrc_x = av_clip(uvsrc_x,  -8, s->avctx->coded_width  >> 1);
 | |
|         if (v->fcm == ILACE_FRAME) {
 | |
|             src_y = av_clip(src_y, -18 + (src_y & 1), s->avctx->coded_height + (src_y & 1));
 | |
|             uvsrc_y = av_clip(uvsrc_y, -8 + (uvsrc_y & 1), (s->avctx->coded_height >> 1) + (uvsrc_y & 1));
 | |
|         } else {
 | |
|             src_y = av_clip(src_y, -18, s->avctx->coded_height + 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 += linesize;
 | |
|         srcU += uvlinesize;
 | |
|         srcV += uvlinesize;
 | |
|     }
 | |
| 
 | |
|     /* for grayscale we should not try to read from unknown area */
 | |
|     if (CONFIG_GRAY && s->avctx->flags & AV_CODEC_FLAG_GRAY) {
 | |
|         srcU = s->sc.edge_emu_buffer + 18 * s->linesize;
 | |
|         srcV = s->sc.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 *ubuf = s->sc.edge_emu_buffer + 19 * s->linesize;
 | |
|         uint8_t *vbuf = ubuf + 9 * s->uvlinesize;
 | |
|         const int k = 17 + s->mspel * 2;
 | |
| 
 | |
|         srcY -= s->mspel * (1 + s->linesize);
 | |
|         if (interlace) {
 | |
|             s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
 | |
|                                      srcY,
 | |
|                                      linesize << 1,
 | |
|                                      linesize << 1,
 | |
|                                      k,
 | |
|                                      v->field_mode ? k : (k + 1 >> 1),
 | |
|                                      src_x - s->mspel,
 | |
|                                      src_y - s->mspel >> !v->field_mode,
 | |
|                                      s->h_edge_pos,
 | |
|                                      s->v_edge_pos >> 1);
 | |
|             if (!v->field_mode)
 | |
|                 s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer + linesize,
 | |
|                                          srcY + linesize,
 | |
|                                          linesize << 1,
 | |
|                                          linesize << 1,
 | |
|                                          k,
 | |
|                                          k >> 1,
 | |
|                                          src_x - s->mspel,
 | |
|                                          src_y - s->mspel + 1 >> 1,
 | |
|                                          s->h_edge_pos,
 | |
|                                          s->v_edge_pos >> 1);
 | |
|         } else
 | |
|             s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer,
 | |
|                                      srcY,
 | |
|                                      linesize,
 | |
|                                      linesize,
 | |
|                                      k,
 | |
|                                      v->field_mode ? (k << 1) - 1 : k,
 | |
|                                      src_x - s->mspel,
 | |
|                                      v->field_mode ? 2 * (src_y - s->mspel) + v->ref_field_type[1] :
 | |
|                                                      src_y - s->mspel,
 | |
|                                      s->h_edge_pos,
 | |
|                                      s->v_edge_pos);
 | |
|         srcY = s->sc.edge_emu_buffer;
 | |
|         if (interlace) {
 | |
|             s->vdsp.emulated_edge_mc(ubuf,
 | |
|                                      srcU,
 | |
|                                      uvlinesize << 1,
 | |
|                                      uvlinesize << 1,
 | |
|                                      9,
 | |
|                                      v->field_mode ? 9 : 5,
 | |
|                                      uvsrc_x,
 | |
|                                      uvsrc_y >> !v->field_mode,
 | |
|                                      s->h_edge_pos >> 1,
 | |
|                                      s->v_edge_pos >> 2);
 | |
|             s->vdsp.emulated_edge_mc(vbuf,
 | |
|                                      srcV,
 | |
|                                      uvlinesize << 1,
 | |
|                                      uvlinesize << 1,
 | |
|                                      9,
 | |
|                                      v->field_mode ? 9 : 5,
 | |
|                                      uvsrc_x,
 | |
|                                      uvsrc_y >> !v->field_mode,
 | |
|                                      s->h_edge_pos >> 1,
 | |
|                                      s->v_edge_pos >> 2);
 | |
|             if (!v->field_mode) {
 | |
|                 s->vdsp.emulated_edge_mc(ubuf + uvlinesize,
 | |
|                                          srcU + uvlinesize,
 | |
|                                          uvlinesize << 1,
 | |
|                                          uvlinesize << 1,
 | |
|                                          9,
 | |
|                                          4,
 | |
|                                          uvsrc_x,
 | |
|                                          uvsrc_y + 1 >> 1,
 | |
|                                          s->h_edge_pos >> 1,
 | |
|                                          s->v_edge_pos >> 2);
 | |
|                 s->vdsp.emulated_edge_mc(vbuf + uvlinesize,
 | |
|                                          srcV + uvlinesize,
 | |
|                                          uvlinesize << 1,
 | |
|                                          uvlinesize << 1,
 | |
|                                          9,
 | |
|                                          4,
 | |
|                                          uvsrc_x,
 | |
|                                          uvsrc_y + 1 >> 1,
 | |
|                                          s->h_edge_pos >> 1,
 | |
|                                          s->v_edge_pos >> 2);
 | |
|             }
 | |
|         } else {
 | |
|             s->vdsp.emulated_edge_mc(ubuf,
 | |
|                                      srcU,
 | |
|                                      uvlinesize,
 | |
|                                      uvlinesize,
 | |
|                                      9,
 | |
|                                      v->field_mode ? 17 : 9,
 | |
|                                      uvsrc_x,
 | |
|                                      v->field_mode ? 2 * uvsrc_y + v->ref_field_type[1] : uvsrc_y,
 | |
|                                      s->h_edge_pos >> 1,
 | |
|                                      s->v_edge_pos >> 1);
 | |
|             s->vdsp.emulated_edge_mc(vbuf,
 | |
|                                      srcV,
 | |
|                                      uvlinesize,
 | |
|                                      uvlinesize,
 | |
|                                      9,
 | |
|                                      v->field_mode ? 17 : 9,
 | |
|                                      uvsrc_x,
 | |
|                                      v->field_mode ? 2 * uvsrc_y + v->ref_field_type[1] : uvsrc_y,
 | |
|                                      s->h_edge_pos >> 1,
 | |
|                                      s->v_edge_pos >> 1);
 | |
|         }
 | |
|         srcU = ubuf;
 | |
|         srcV = vbuf;
 | |
|         /* if we deal with range reduction we need to scale source blocks */
 | |
|         if (v->rangeredfrm) {
 | |
|             vc1_scale_luma(srcY, k, s->linesize);
 | |
|             vc1_scale_chroma(srcU, srcV, 9, s->uvlinesize);
 | |
|         }
 | |
| 
 | |
|         if (use_ic) {
 | |
|             uint8_t (*luty )[256] = v->next_luty;
 | |
|             uint8_t (*lutuv)[256] = v->next_lutuv;
 | |
|             vc1_lut_scale_luma(srcY,
 | |
|                                luty[v->field_mode ? v->ref_field_type[1] : ((0+src_y - s->mspel) & 1)],
 | |
|                                luty[v->field_mode ? v->ref_field_type[1] : ((1+src_y - s->mspel) & 1)],
 | |
|                                k, s->linesize);
 | |
|             vc1_lut_scale_chroma(srcU, srcV,
 | |
|                                  lutuv[v->field_mode ? v->ref_field_type[1] : ((0+uvsrc_y) & 1)],
 | |
|                                  lutuv[v->field_mode ? v->ref_field_type[1] : ((1+uvsrc_y) & 1)],
 | |
|                                  9, s->uvlinesize);
 | |
|         }
 | |
|         srcY += s->mspel * (1 + s->linesize);
 | |
|     }
 | |
| 
 | |
|     if (s->mspel) {
 | |
|         dxy = ((my & 3) << 2) | (mx & 3);
 | |
|         v->vc1dsp.avg_vc1_mspel_pixels_tab[0][dxy](s->dest[0], srcY, 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], srcY, s->linesize, 16);
 | |
|         else
 | |
|             s->hdsp.avg_no_rnd_pixels_tab[dxy](s->dest[0], srcY, s->linesize, 16);
 | |
|     }
 | |
| 
 | |
|     if (CONFIG_GRAY && s->avctx->flags & AV_CODEC_FLAG_GRAY)
 | |
|         return;
 | |
|     /* Chroma MC always uses qpel bilinear */
 | |
|     uvmx = (uvmx & 3) << 1;
 | |
|     uvmy = (uvmy & 3) << 1;
 | |
|     if (!v->rnd) {
 | |
|         h264chroma->avg_h264_chroma_pixels_tab[0](s->dest[1], srcU, s->uvlinesize, 8, uvmx, uvmy);
 | |
|         h264chroma->avg_h264_chroma_pixels_tab[0](s->dest[2], srcV, s->uvlinesize, 8, uvmx, uvmy);
 | |
|     } else {
 | |
|         v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[0](s->dest[1], srcU, s->uvlinesize, 8, uvmx, uvmy);
 | |
|         v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[0](s->dest[2], srcV, s->uvlinesize, 8, uvmx, uvmy);
 | |
|     }
 | |
| }
 |