diff options
Diffstat (limited to 'libavcodec/indeo2.c')
| -rw-r--r-- | libavcodec/indeo2.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/libavcodec/indeo2.c b/libavcodec/indeo2.c index 3424e00b38..17f236761d 100644 --- a/libavcodec/indeo2.c +++ b/libavcodec/indeo2.c @@ -146,6 +146,7 @@ static int ir2_decode_frame(AVCodecContext *avctx, AVFrame *picture = data; AVFrame * const p = s->picture; int start, ret; + int ltab, ctab; if ((ret = ff_reget_buffer(avctx, p)) < 0) return ret; @@ -168,34 +169,36 @@ static int ir2_decode_frame(AVCodecContext *avctx, if ((ret = init_get_bits8(&s->gb, buf + start, buf_size - start)) < 0) return ret; + ltab = buf[0x22] & 3; + ctab = buf[0x22] >> 2; if (s->decode_delta) { /* intraframe */ if ((ret = ir2_decode_plane(s, avctx->width, avctx->height, p->data[0], p->linesize[0], - ir2_luma_table)) < 0) + ir2_delta_table[ltab])) < 0) return ret; /* swapped U and V */ if ((ret = ir2_decode_plane(s, avctx->width >> 2, avctx->height >> 2, p->data[2], p->linesize[2], - ir2_luma_table)) < 0) + ir2_delta_table[ctab])) < 0) return ret; if ((ret = ir2_decode_plane(s, avctx->width >> 2, avctx->height >> 2, p->data[1], p->linesize[1], - ir2_luma_table)) < 0) + ir2_delta_table[ctab])) < 0) return ret; } else { /* interframe */ if ((ret = ir2_decode_plane_inter(s, avctx->width, avctx->height, p->data[0], p->linesize[0], - ir2_luma_table)) < 0) + ir2_delta_table[ltab])) < 0) return ret; /* swapped U and V */ if ((ret = ir2_decode_plane_inter(s, avctx->width >> 2, avctx->height >> 2, p->data[2], p->linesize[2], - ir2_luma_table)) < 0) + ir2_delta_table[ctab])) < 0) return ret; if ((ret = ir2_decode_plane_inter(s, avctx->width >> 2, avctx->height >> 2, p->data[1], p->linesize[1], - ir2_luma_table)) < 0) + ir2_delta_table[ctab])) < 0) return ret; } |