diff options
Diffstat (limited to 'contrib/ffmpeg/libavcodec/wmv2.c')
| -rw-r--r-- | contrib/ffmpeg/libavcodec/wmv2.c | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/contrib/ffmpeg/libavcodec/wmv2.c b/contrib/ffmpeg/libavcodec/wmv2.c deleted file mode 100644 index 39efea29c..000000000 --- a/contrib/ffmpeg/libavcodec/wmv2.c +++ /dev/null @@ -1,159 +0,0 @@ -/* - * Copyright (c) 2002 The FFmpeg Project. - * - * 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 - */ - -#include "avcodec.h" -#include "mpegvideo.h" -#include "msmpeg4data.h" -#include "simple_idct.h" -#include "wmv2.h" - - -void ff_wmv2_common_init(Wmv2Context * w){ - MpegEncContext * const s= &w->s; - - ff_init_scantable(s->dsp.idct_permutation, &w->abt_scantable[0], wmv2_scantableA); - ff_init_scantable(s->dsp.idct_permutation, &w->abt_scantable[1], wmv2_scantableB); -} - -static void wmv2_add_block(Wmv2Context *w, DCTELEM *block1, uint8_t *dst, int stride, int n){ - MpegEncContext * const s= &w->s; - - if (s->block_last_index[n] >= 0) { - switch(w->abt_type_table[n]){ - case 0: - s->dsp.idct_add (dst, stride, block1); - break; - case 1: - ff_simple_idct84_add(dst , stride, block1); - ff_simple_idct84_add(dst + 4*stride, stride, w->abt_block2[n]); - memset(w->abt_block2[n], 0, 64*sizeof(DCTELEM)); - break; - case 2: - ff_simple_idct48_add(dst , stride, block1); - ff_simple_idct48_add(dst + 4 , stride, w->abt_block2[n]); - memset(w->abt_block2[n], 0, 64*sizeof(DCTELEM)); - break; - default: - av_log(s->avctx, AV_LOG_ERROR, "internal error in WMV2 abt\n"); - } - } -} - -void ff_wmv2_add_mb(MpegEncContext *s, DCTELEM block1[6][64], uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr){ - Wmv2Context * const w= (Wmv2Context*)s; - - wmv2_add_block(w, block1[0], dest_y , s->linesize, 0); - wmv2_add_block(w, block1[1], dest_y + 8 , s->linesize, 1); - wmv2_add_block(w, block1[2], dest_y + 8*s->linesize, s->linesize, 2); - wmv2_add_block(w, block1[3], dest_y + 8 + 8*s->linesize, s->linesize, 3); - - if(s->flags&CODEC_FLAG_GRAY) return; - - wmv2_add_block(w, block1[4], dest_cb , s->uvlinesize, 4); - wmv2_add_block(w, block1[5], dest_cr , s->uvlinesize, 5); -} - -void ff_mspel_motion(MpegEncContext *s, - uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, - uint8_t **ref_picture, op_pixels_func (*pix_op)[4], - int motion_x, int motion_y, int h) -{ - Wmv2Context * const w= (Wmv2Context*)s; - uint8_t *ptr; - int dxy, offset, mx, my, src_x, src_y, v_edge_pos, linesize, uvlinesize; - int emu=0; - - dxy = ((motion_y & 1) << 1) | (motion_x & 1); - dxy = 2*dxy + w->hshift; - src_x = s->mb_x * 16 + (motion_x >> 1); - src_y = s->mb_y * 16 + (motion_y >> 1); - - /* WARNING: do no forget half pels */ - v_edge_pos = s->v_edge_pos; - src_x = av_clip(src_x, -16, s->width); - src_y = av_clip(src_y, -16, s->height); - - if(src_x<=-16 || src_x >= s->width) - dxy &= ~3; - if(src_y<=-16 || src_y >= s->height) - dxy &= ~4; - - linesize = s->linesize; - uvlinesize = s->uvlinesize; - ptr = ref_picture[0] + (src_y * linesize) + src_x; - - if(s->flags&CODEC_FLAG_EMU_EDGE){ - if(src_x<1 || src_y<1 || src_x + 17 >= s->h_edge_pos - || src_y + h+1 >= v_edge_pos){ - ff_emulated_edge_mc(s->edge_emu_buffer, ptr - 1 - s->linesize, s->linesize, 19, 19, - src_x-1, src_y-1, s->h_edge_pos, s->v_edge_pos); - ptr= s->edge_emu_buffer + 1 + s->linesize; - emu=1; - } - } - - s->dsp.put_mspel_pixels_tab[dxy](dest_y , ptr , linesize); - s->dsp.put_mspel_pixels_tab[dxy](dest_y+8 , ptr+8 , linesize); - s->dsp.put_mspel_pixels_tab[dxy](dest_y +8*linesize, ptr +8*linesize, linesize); - s->dsp.put_mspel_pixels_tab[dxy](dest_y+8+8*linesize, ptr+8+8*linesize, linesize); - - if(s->flags&CODEC_FLAG_GRAY) return; - - if (s->out_format == FMT_H263) { - dxy = 0; - if ((motion_x & 3) != 0) - dxy |= 1; - if ((motion_y & 3) != 0) - dxy |= 2; - mx = motion_x >> 2; - my = motion_y >> 2; - } else { - mx = motion_x / 2; - my = motion_y / 2; - dxy = ((my & 1) << 1) | (mx & 1); - mx >>= 1; - my >>= 1; - } - - src_x = s->mb_x * 8 + mx; - src_y = s->mb_y * 8 + my; - src_x = av_clip(src_x, -8, s->width >> 1); - if (src_x == (s->width >> 1)) - dxy &= ~1; - src_y = av_clip(src_y, -8, s->height >> 1); - if (src_y == (s->height >> 1)) - dxy &= ~2; - offset = (src_y * uvlinesize) + src_x; - ptr = ref_picture[1] + offset; - if(emu){ - ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, - src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1); - ptr= s->edge_emu_buffer; - } - pix_op[1][dxy](dest_cb, ptr, uvlinesize, h >> 1); - - ptr = ref_picture[2] + offset; - if(emu){ - ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, - src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1); - ptr= s->edge_emu_buffer; - } - pix_op[1][dxy](dest_cr, ptr, uvlinesize, h >> 1); -} |