From 3dc6adf326c8cd6c7fc830ccb8def8772835c676 Mon Sep 17 00:00:00 2001 From: James Almer Date: Mon, 15 Apr 2019 17:48:55 -0300 Subject: avcodec/cbs_h2645: add helper macros for signed values Reviewed-by: Mark Thompson Signed-off-by: James Almer --- libavcodec/cbs_h2645.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/libavcodec/cbs_h2645.c b/libavcodec/cbs_h2645.c index e74f8dce81..a205293b3c 100644 --- a/libavcodec/cbs_h2645.c +++ b/libavcodec/cbs_h2645.c @@ -255,6 +255,8 @@ static int cbs_write_se_golomb(CodedBitstreamContext *ctx, PutBitContext *pbc, #define flag(name) u(1, name, 0, 1) #define ue(name, range_min, range_max) \ xue(name, current->name, range_min, range_max, 0) +#define i(width, name, range_min, range_max) \ + xi(width, name, current->name, range_min, range_max, 0) #define se(name, range_min, range_max) \ xse(name, current->name, range_min, range_max, 0) @@ -264,6 +266,8 @@ static int cbs_write_se_golomb(CodedBitstreamContext *ctx, PutBitContext *pbc, xu(1, name, current->name, 0, 1, subs, __VA_ARGS__) #define ues(name, range_min, range_max, subs, ...) \ xue(name, current->name, range_min, range_max, subs, __VA_ARGS__) +#define is(width, name, range_min, range_max, subs, ...) \ + xi(width, name, current->name, range_min, range_max, subs, __VA_ARGS__) #define ses(name, range_min, range_max, subs, ...) \ xse(name, current->name, range_min, range_max, subs, __VA_ARGS__) @@ -291,6 +295,13 @@ static int cbs_write_se_golomb(CodedBitstreamContext *ctx, PutBitContext *pbc, &value, range_min, range_max)); \ var = value; \ } while (0) +#define xi(width, name, var, range_min, range_max, subs, ...) do { \ + int32_t value = range_min; \ + CHECK(ff_cbs_read_signed(ctx, rw, width, #name, \ + SUBSCRIPTS(subs, __VA_ARGS__), \ + &value, range_min, range_max)); \ + var = value; \ + } while (0) #define xse(name, var, range_min, range_max, subs, ...) do { \ int32_t value = range_min; \ CHECK(cbs_read_se_golomb(ctx, rw, #name, \ @@ -338,6 +349,7 @@ static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc) #undef READWRITE #undef RWContext #undef xu +#undef xi #undef xue #undef xse #undef infer @@ -362,6 +374,12 @@ static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc) SUBSCRIPTS(subs, __VA_ARGS__), \ value, range_min, range_max)); \ } while (0) +#define xi(width, name, var, range_min, range_max, subs, ...) do { \ + int32_t value = var; \ + CHECK(ff_cbs_write_signed(ctx, rw, width, #name, \ + SUBSCRIPTS(subs, __VA_ARGS__), \ + value, range_min, range_max)); \ + } while (0) #define xse(name, var, range_min, range_max, subs, ...) do { \ int32_t value = var; \ CHECK(cbs_write_se_golomb(ctx, rw, #name, \ @@ -402,9 +420,11 @@ static int cbs_h2645_read_more_rbsp_data(GetBitContext *gbc) #undef READWRITE #undef RWContext #undef xu +#undef xi #undef xue #undef xse #undef u +#undef i #undef flag #undef ue #undef se -- cgit v1.2.3