---
libavcodec/hevc_filter.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/libavcodec/hevc_filter.c b/libavcodec/hevc_filter.c
index eb3f5f3..8f425d8 100644
--- a/libavcodec/hevc_filter.c
+++ b/libavcodec/hevc_filter.c
@@ -485,11 +485,17 @@ static void deblocking_filter_CTB(HEVCContext *s, int x0,
int y0)
if ((bs0 == 2) || (bs1 == 2)) {
const int qp0 = bs0 == 2 ? (get_qPy(s, x, y - 1) +
get_qPy(s, x, y) + 1) >> 1 : 0;
const int qp1 = bs1 == 2 ? (get_qPy(s, x + 8, y - 1) +
get_qPy(s, x + 8, y) + 1) >> 1 : 0;
+ int x_pos;
+
+ if (x < 0)
+ x_pos = -((-x / 2) << s->sps->pixel_shift);
+ else
+ x_pos = ((x / 2) << s->sps->pixel_shift);
tc_offset = x >= x0 ? cur_tc_offset : left_tc_offset;
c_tc[0] = bs0 == 2 ? chroma_tc(s, qp0, chroma,
tc_offset) : 0;
c_tc[1] = bs1 == 2 ? chroma_tc(s, qp1, chroma,
cur_tc_offset) : 0;
- src = &s->frame->data[chroma][y / 2 *
s->frame->linesize[chroma] + ((x / 2) << s->sps->pixel_shift)];
+ src = &s->frame->data[chroma][y / 2 *
s->frame->linesize[chroma] + x_pos];
if (pcmf) {
no_p[0] = get_pcm(s, x, y - 1);
no_p[1] = get_pcm(s, x + 8, y - 1);
--
1.8.5.1
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