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cbs_h265: Fix ranges of prediction weight offsets 

The bracketing was wrong - '-' binds before '<<'.  This would
previously incorrectly reject the streams in the WP_A and WP_B
conformance tests.
This commit is contained in:
Mark Thompson 2017-08-28 17:07:01 +01:00
parent f763489364
commit 067a9ddeb8
1 changed files with 6 additions and 6 deletions
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12
libavcodec/cbs_h265_syntax_template.c
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@ -1133,7 +1133,7 @@ static int FUNC(pred_weight_table)(CodedBitstreamContext *ctx, RWContext *rw,
se(delta_luma_weight_l0[i], -128, +127);
se(luma_offset_l0[i],
-(1 << (sps->bit_depth_luma_minus8 + 8 - 1)),
+(1 << (sps->bit_depth_luma_minus8 + 8 - 1) - 1));
((1 << (sps->bit_depth_luma_minus8 + 8 - 1)) - 1));
} else {
infer(delta_luma_weight_l0[i], 0);
infer(luma_offset_l0[i], 0);
@ -1143,7 +1143,7 @@ static int FUNC(pred_weight_table)(CodedBitstreamContext *ctx, RWContext *rw,
se(delta_chroma_weight_l0[i][j], -128, +127);
se(chroma_offset_l0[i][j],
-(4 << (sps->bit_depth_chroma_minus8 + 8 - 1)),
+(4 << (sps->bit_depth_chroma_minus8 + 8 - 1) - 1));
((4 << (sps->bit_depth_chroma_minus8 + 8 - 1)) - 1));
}
} else {
for (j = 0; j < 2; j++) {
@ -1173,8 +1173,8 @@ static int FUNC(pred_weight_table)(CodedBitstreamContext *ctx, RWContext *rw,
if (current->luma_weight_l1_flag[i]) {
se(delta_luma_weight_l1[i], -128, +127);
se(luma_offset_l1[i],
- 1 << (sps->bit_depth_luma_minus8 + 8 - 1),
+ 1 << (sps->bit_depth_luma_minus8 + 8 - 1) - 1);
-(1 << (sps->bit_depth_luma_minus8 + 8 - 1)),
((1 << (sps->bit_depth_luma_minus8 + 8 - 1)) - 1));
} else {
infer(delta_luma_weight_l1[i], 0);
infer(luma_offset_l1[i], 0);
@ -1183,8 +1183,8 @@ static int FUNC(pred_weight_table)(CodedBitstreamContext *ctx, RWContext *rw,
for (j = 0; j < 2; j++) {
se(delta_chroma_weight_l1[i][j], -128, +127);
se(chroma_offset_l1[i][j],
- 4 << (sps->bit_depth_chroma_minus8 + 8 - 1),
+ 4 << (sps->bit_depth_chroma_minus8 + 8 - 1) - 1);
-(4 << (sps->bit_depth_chroma_minus8 + 8 - 1)),
((4 << (sps->bit_depth_chroma_minus8 + 8 - 1)) - 1));
}
} else {
for (j = 0; j < 2; j++) {