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| author | Luca Barbato <lu_zero@gentoo.org> | 2016-03-04 16:57:29 +0100 |
|---|---|---|
| committer | Vittorio Giovara <vittorio.giovara@gmail.com> | 2016-03-05 08:26:36 -0500 |
| commit | 0242351390643d176b10600c2eb854414f9559e6 (patch) | |
| tree | 7d18b1134edd7c360da38bdcff7887ddc8d4877f /libavcodec | |
| parent | 7d4a1ff344cbf969ac648642a0fd8484fd5b8637 (diff) | |
| download | ffmpeg-0242351390643d176b10600c2eb854414f9559e6.tar.gz | |
mpegvideo: Fix undefined negative shifts in mpeg_motion_internal
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/mpegvideo_motion.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/libavcodec/mpegvideo_motion.c b/libavcodec/mpegvideo_motion.c index 05375a1afa..aaa6e6116e 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; |