diff options
| -rw-r--r-- | libavcodec/imgconvert.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c index 8cb609946a..dc67560742 100644 --- a/libavcodec/imgconvert.c +++ b/libavcodec/imgconvert.c @@ -201,12 +201,14 @@ int av_picture_crop(AVPicture *dst, const AVPicture *src, const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); int y_shift; int x_shift; + int max_step[4]; if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB) return -1; y_shift = desc->log2_chroma_h; x_shift = desc->log2_chroma_w; + av_image_fill_max_pixsteps(max_step, NULL, desc); if (is_yuv_planar(desc)) { dst->data[0] = src->data[0] + (top_band * src->linesize[0]) + left_band; @@ -215,9 +217,7 @@ int av_picture_crop(AVPicture *dst, const AVPicture *src, } else{ if(top_band % (1<<y_shift) || left_band % (1<<x_shift)) return -1; - if(left_band) //FIXME add support for this too - return -1; - dst->data[0] = src->data[0] + (top_band * src->linesize[0]) + left_band; + dst->data[0] = src->data[0] + (top_band * src->linesize[0]) + (left_band * max_step[0]); } dst->linesize[0] = src->linesize[0]; |