diff options
Diffstat (limited to 'ffmpeg1/libavcodec/roqvideo.c')
| -rw-r--r-- | ffmpeg1/libavcodec/roqvideo.c | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/ffmpeg1/libavcodec/roqvideo.c b/ffmpeg1/libavcodec/roqvideo.c deleted file mode 100644 index eb8fc25..0000000 --- a/ffmpeg1/libavcodec/roqvideo.c +++ /dev/null @@ -1,143 +0,0 @@ -/* - * Copyright (C) 2003 Mike Melanson - * Copyright (C) 2003 Dr. Tim Ferguson - * - * 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 - * id RoQ Video common functions based on work by Dr. Tim Ferguson - */ - -#include "avcodec.h" -#include "roqvideo.h" - -static inline void block_copy(unsigned char *out, unsigned char *in, - int outstride, int instride, int sz) -{ - int rows = sz; - while(rows--) { - memcpy(out, in, sz); - out += outstride; - in += instride; - } -} - -void ff_apply_vector_2x2(RoqContext *ri, int x, int y, roq_cell *cell) -{ - unsigned char *bptr; - int boffs,stride; - - stride = ri->current_frame->linesize[0]; - boffs = y*stride + x; - - bptr = ri->current_frame->data[0] + boffs; - bptr[0 ] = cell->y[0]; - bptr[1 ] = cell->y[1]; - bptr[stride ] = cell->y[2]; - bptr[stride+1] = cell->y[3]; - - stride = ri->current_frame->linesize[1]; - boffs = y*stride + x; - - bptr = ri->current_frame->data[1] + boffs; - bptr[0 ] = - bptr[1 ] = - bptr[stride ] = - bptr[stride+1] = cell->u; - - bptr = ri->current_frame->data[2] + boffs; - bptr[0 ] = - bptr[1 ] = - bptr[stride ] = - bptr[stride+1] = cell->v; -} - -void ff_apply_vector_4x4(RoqContext *ri, int x, int y, roq_cell *cell) -{ - unsigned char *bptr; - int boffs,stride; - - stride = ri->current_frame->linesize[0]; - boffs = y*stride + x; - - bptr = ri->current_frame->data[0] + boffs; - bptr[ 0] = bptr[ 1] = bptr[stride ] = bptr[stride +1] = cell->y[0]; - bptr[ 2] = bptr[ 3] = bptr[stride +2] = bptr[stride +3] = cell->y[1]; - bptr[stride*2 ] = bptr[stride*2+1] = bptr[stride*3 ] = bptr[stride*3+1] = cell->y[2]; - bptr[stride*2+2] = bptr[stride*2+3] = bptr[stride*3+2] = bptr[stride*3+3] = cell->y[3]; - - stride = ri->current_frame->linesize[1]; - boffs = y*stride + x; - - bptr = ri->current_frame->data[1] + boffs; - bptr[ 0] = bptr[ 1] = bptr[stride ] = bptr[stride +1] = - bptr[ 2] = bptr[ 3] = bptr[stride +2] = bptr[stride +3] = - bptr[stride*2 ] = bptr[stride*2+1] = bptr[stride*3 ] = bptr[stride*3+1] = - bptr[stride*2+2] = bptr[stride*2+3] = bptr[stride*3+2] = bptr[stride*3+3] = cell->u; - - bptr = ri->current_frame->data[2] + boffs; - bptr[ 0] = bptr[ 1] = bptr[stride ] = bptr[stride +1] = - bptr[ 2] = bptr[ 3] = bptr[stride +2] = bptr[stride +3] = - bptr[stride*2 ] = bptr[stride*2+1] = bptr[stride*3 ] = bptr[stride*3+1] = - bptr[stride*2+2] = bptr[stride*2+3] = bptr[stride*3+2] = bptr[stride*3+3] = cell->v; -} - - -static inline void apply_motion_generic(RoqContext *ri, int x, int y, int deltax, - int deltay, int sz) -{ - int mx, my, cp; - - mx = x + deltax; - my = y + deltay; - - /* check MV against frame boundaries */ - if ((mx < 0) || (mx > ri->width - sz) || - (my < 0) || (my > ri->height - sz)) { - av_log(ri->avctx, AV_LOG_ERROR, "motion vector out of bounds: MV = (%d, %d), boundaries = (0, 0, %d, %d)\n", - mx, my, ri->width, ri->height); - return; - } - - if (ri->last_frame->data[0] == NULL) { - av_log(ri->avctx, AV_LOG_ERROR, "Invalid decode type. Invalid header?\n"); - return; - } - - for(cp = 0; cp < 3; cp++) { - int outstride = ri->current_frame->linesize[cp]; - int instride = ri->last_frame ->linesize[cp]; - block_copy(ri->current_frame->data[cp] + y*outstride + x, - ri->last_frame->data[cp] + my*instride + mx, - outstride, instride, sz); - } -} - - -void ff_apply_motion_4x4(RoqContext *ri, int x, int y, - int deltax, int deltay) -{ - apply_motion_generic(ri, x, y, deltax, deltay, 4); -} - -void ff_apply_motion_8x8(RoqContext *ri, int x, int y, - int deltax, int deltay) -{ - apply_motion_generic(ri, x, y, deltax, deltay, 8); -} |