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Rename cb field

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patch by Eric Lasota: [riot at icculus org]
original thread: [FFmpeg-devel]   [PATCH] RoQ decoder 4:4:4 update
date: 06/05/2007 09:22 PM

Originally committed as revision 9231 to svn://svn.ffmpeg.org/ffmpeg/trunk
pull/126/head
Eric Lasota 18 years ago committed by Benoit Fouet
parent 1cc60c47c5
commit 160228f894
2 changed files with 23 additions and 23 deletions
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  1. 4
      libavcodec/roqvideo.h
  2. 42
      libavcodec/roqvideodec.c

4
libavcodec/roqvideo.h
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@ -41,8 +41,8 @@ typedef struct RoqContext {
int y_stride;
int c_stride;
roq_cell cells[256];
roq_qcell qcells[256];
roq_cell cb2x2[256];
roq_qcell cb4x4[256];
unsigned char *buf;
int size;

42
libavcodec/roqvideodec.c
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@ -60,16 +60,16 @@ static void roqvideo_decode_frame(RoqContext *ri)
if((nv2 = chunk_arg & 0xff) == 0 && nv1 * 6 < chunk_size)
nv2 = 256;
for(i = 0; i < nv1; i++) {
ri->cells[i].y[0] = *buf++;
ri->cells[i].y[1] = *buf++;
ri->cells[i].y[2] = *buf++;
ri->cells[i].y[3] = *buf++;
ri->cells[i].u = *buf++;
ri->cells[i].v = *buf++;
ri->cb2x2[i].y[0] = *buf++;
ri->cb2x2[i].y[1] = *buf++;
ri->cb2x2[i].y[2] = *buf++;
ri->cb2x2[i].y[3] = *buf++;
ri->cb2x2[i].u = *buf++;
ri->cb2x2[i].v = *buf++;
}
for(i = 0; i < nv2; i++)
for(j = 0; j < 4; j++)
ri->qcells[i].idx[j] = *buf++;
ri->cb4x4[i].idx[j] = *buf++;
}
}
@ -94,11 +94,11 @@ static void roqvideo_decode_frame(RoqContext *ri)
ff_apply_motion_8x8(ri, xp, yp, mx, my);
break;
case RoQ_ID_SLD:
qcell = ri->qcells + buf[bpos++];
ff_apply_vector_4x4(ri, xp, yp, ri->cells + qcell->idx[0]);
ff_apply_vector_4x4(ri, xp+4, yp, ri->cells + qcell->idx[1]);
ff_apply_vector_4x4(ri, xp, yp+4, ri->cells + qcell->idx[2]);
ff_apply_vector_4x4(ri, xp+4, yp+4, ri->cells + qcell->idx[3]);
qcell = ri->cb4x4 + buf[bpos++];
ff_apply_vector_4x4(ri, xp, yp, ri->cb2x2 + qcell->idx[0]);
ff_apply_vector_4x4(ri, xp+4, yp, ri->cb2x2 + qcell->idx[1]);
ff_apply_vector_4x4(ri, xp, yp+4, ri->cb2x2 + qcell->idx[2]);
ff_apply_vector_4x4(ri, xp+4, yp+4, ri->cb2x2 + qcell->idx[3]);
break;
case RoQ_ID_CCC:
for (k = 0; k < 4; k++) {
@ -123,17 +123,17 @@ static void roqvideo_decode_frame(RoqContext *ri)
ff_apply_motion_4x4(ri, x, y, mx, my);
break;
case RoQ_ID_SLD:
qcell = ri->qcells + buf[bpos++];
ff_apply_vector_2x2(ri, x, y, ri->cells + qcell->idx[0]);
ff_apply_vector_2x2(ri, x+2, y, ri->cells + qcell->idx[1]);
ff_apply_vector_2x2(ri, x, y+2, ri->cells + qcell->idx[2]);
ff_apply_vector_2x2(ri, x+2, y+2, ri->cells + qcell->idx[3]);
qcell = ri->cb4x4 + buf[bpos++];
ff_apply_vector_2x2(ri, x, y, ri->cb2x2 + qcell->idx[0]);
ff_apply_vector_2x2(ri, x+2, y, ri->cb2x2 + qcell->idx[1]);
ff_apply_vector_2x2(ri, x, y+2, ri->cb2x2 + qcell->idx[2]);
ff_apply_vector_2x2(ri, x+2, y+2, ri->cb2x2 + qcell->idx[3]);
break;
case RoQ_ID_CCC:
ff_apply_vector_2x2(ri, x, y, ri->cells + buf[bpos]);
ff_apply_vector_2x2(ri, x+2, y, ri->cells + buf[bpos+1]);
ff_apply_vector_2x2(ri, x, y+2, ri->cells + buf[bpos+2]);
ff_apply_vector_2x2(ri, x+2, y+2, ri->cells + buf[bpos+3]);
ff_apply_vector_2x2(ri, x, y, ri->cb2x2 + buf[bpos]);
ff_apply_vector_2x2(ri, x+2, y, ri->cb2x2 + buf[bpos+1]);
ff_apply_vector_2x2(ri, x, y+2, ri->cb2x2 + buf[bpos+2]);
ff_apply_vector_2x2(ri, x+2, y+2, ri->cb2x2 + buf[bpos+3]);
bpos += 4;
break;
}

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