diff options
Diffstat (limited to 'libavcodec/mpegvideo.c')
| -rw-r--r-- | libavcodec/mpegvideo.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c index d97c6a4f9a..74c7c6ea04 100644 --- a/libavcodec/mpegvideo.c +++ b/libavcodec/mpegvideo.c @@ -1805,8 +1805,8 @@ static inline int hpel_motion_lowres(MpegEncContext *s, src += src_y * stride + src_x; - if ((unsigned)src_x > h_edge_pos - (!!sx) - w || - (unsigned)src_y > (v_edge_pos >> field_based) - (!!sy) - h) { + if ((unsigned)src_x > FFMAX( h_edge_pos - (!!sx) - w, 0) || + (unsigned)src_y > FFMAX((v_edge_pos >> field_based) - (!!sy) - h, 0)) { s->dsp.emulated_edge_mc(s->edge_emu_buffer, src, s->linesize, w + 1, (h + 1) << field_based, src_x, src_y << field_based, @@ -1907,8 +1907,8 @@ static av_always_inline void mpeg_motion_lowres(MpegEncContext *s, ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x; ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x; - if ((unsigned) src_x > h_edge_pos - (!!sx) - 2 * block_s || - (unsigned) src_y > (v_edge_pos >> field_based) - (!!sy) - h) { + if ((unsigned) src_x > FFMAX( h_edge_pos - (!!sx) - 2 * block_s, 0) || + (unsigned) src_y > FFMAX((v_edge_pos >> field_based) - (!!sy) - h, 0)) { s->dsp.emulated_edge_mc(s->edge_emu_buffer, ptr_y, s->linesize, 17, 17 + field_based, src_x, src_y << field_based, h_edge_pos, @@ -1990,8 +1990,8 @@ static inline void chroma_4mv_motion_lowres(MpegEncContext *s, offset = src_y * s->uvlinesize + src_x; ptr = ref_picture[1] + offset; if (s->flags & CODEC_FLAG_EMU_EDGE) { - if ((unsigned) src_x > h_edge_pos - (!!sx) - block_s || - (unsigned) src_y > v_edge_pos - (!!sy) - block_s) { + if ((unsigned) src_x > FFMAX(h_edge_pos - (!!sx) - block_s, 0) || + (unsigned) src_y > FFMAX(v_edge_pos - (!!sy) - block_s, 0)) { s->dsp.emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, h_edge_pos, v_edge_pos); ptr = s->edge_emu_buffer; |