Module: libav Branch: master Commit: 0242351390643d176b10600c2eb854414f9559e6
Author: Luca Barbato <[email protected]> Committer: Vittorio Giovara <[email protected]> Date: Fri Mar 4 16:57:29 2016 +0100 mpegvideo: Fix undefined negative shifts in mpeg_motion_internal Signed-off-by: Vittorio Giovara <[email protected]> --- libavcodec/mpegvideo_motion.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/libavcodec/mpegvideo_motion.c b/libavcodec/mpegvideo_motion.c index 05375a1..aaa6e61 100644 --- a/libavcodec/mpegvideo_motion.c +++ b/libavcodec/mpegvideo_motion.c @@ -321,7 +321,7 @@ void mpeg_motion_internal(MpegEncContext *s, s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, ptr_y, s->linesize, s->linesize, 17, 17 + field_based, - src_x, src_y << field_based, + src_x, src_y * (1 << field_based), s->h_edge_pos, s->v_edge_pos); ptr_y = s->sc.edge_emu_buffer; if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) { @@ -329,12 +329,12 @@ void mpeg_motion_internal(MpegEncContext *s, s->vdsp.emulated_edge_mc(uvbuf, ptr_cb, s->uvlinesize, s->uvlinesize, 9, 9 + field_based, - uvsrc_x, uvsrc_y << field_based, + uvsrc_x, uvsrc_y * (1 << field_based), s->h_edge_pos >> 1, s->v_edge_pos >> 1); s->vdsp.emulated_edge_mc(uvbuf + 16, ptr_cr, s->uvlinesize, s->uvlinesize, 9, 9 + field_based, - uvsrc_x, uvsrc_y << field_based, + uvsrc_x, uvsrc_y * (1 << field_based), s->h_edge_pos >> 1, s->v_edge_pos >> 1); ptr_cb = uvbuf; ptr_cr = uvbuf + 16; @@ -542,7 +542,7 @@ static inline void qpel_motion(MpegEncContext *s, s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, ptr_y, s->linesize, s->linesize, 17, 17 + field_based, - src_x, src_y << field_based, + src_x, src_y * (1 << field_based), s->h_edge_pos, s->v_edge_pos); ptr_y = s->sc.edge_emu_buffer; if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) { @@ -550,12 +550,12 @@ static inline void qpel_motion(MpegEncContext *s, s->vdsp.emulated_edge_mc(uvbuf, ptr_cb, s->uvlinesize, s->uvlinesize, 9, 9 + field_based, - uvsrc_x, uvsrc_y << field_based, + uvsrc_x, uvsrc_y * (1 << field_based), s->h_edge_pos >> 1, s->v_edge_pos >> 1); s->vdsp.emulated_edge_mc(uvbuf + 16, ptr_cr, s->uvlinesize, s->uvlinesize, 9, 9 + field_based, - uvsrc_x, uvsrc_y << field_based, + uvsrc_x, uvsrc_y * (1 << field_based), s->h_edge_pos >> 1, s->v_edge_pos >> 1); ptr_cb = uvbuf; ptr_cr = uvbuf + 16; _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
