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Code Issues Releases Activity

avfilter/vf_eq: Move ff_nlmeans_init into a header

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This removes a dependency of checkasm on lavfi/vf_eq.o
and also allows to inline ff_eq_init() irrespectively of
interposing.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-05-03 07:35:49 +02:00
parent 364fab1fdc
commit 8cd57648d1
2 changed files with 25 additions and 28 deletions
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27
libavfilter/vf_eq.c
View File

@ -74,26 +74,6 @@ static void apply_lut(EQParameters *param, uint8_t *dst, int dst_stride,
}
}
static void process_c(EQParameters *param, uint8_t *dst, int dst_stride,
const uint8_t *src, int src_stride, int w, int h)
{
int x, y, pel;
int contrast = (int) (param->contrast * 256 * 16);
int brightness = ((int) (100.0 * param->brightness + 100.0) * 511) / 200 - 128 - contrast / 32;
for (y = 0; y < h; y++) {
for (x = 0; x < w; x++) {
pel = ((src[y * src_stride + x] * contrast) >> 12) + brightness;
if (pel & ~255)
pel = (-pel) >> 31;
dst[y * dst_stride + x] = pel;
}
}
}
static void check_values(EQParameters *param, EQContext *eq)
{
if (param->contrast == 1.0 && param->brightness == 0.0 && param->gamma == 1.0)
@ -174,13 +154,6 @@ static int set_expr(AVExpr **pexpr, const char *expr, const char *option, void *
return 0;
}
void ff_eq_init(EQContext *eq)
{
eq->process = process_c;
if (ARCH_X86)
ff_eq_init_x86(eq);
}
static int initialize(AVFilterContext *ctx)
{
EQContext *eq = ctx->priv;

26
libavfilter/vf_eq.h
View File

@ -100,7 +100,31 @@ typedef struct EQContext {
enum EvalMode { EVAL_MODE_INIT, EVAL_MODE_FRAME, EVAL_MODE_NB } eval_mode;
} EQContext;
void ff_eq_init(EQContext *eq);
static void process_c(EQParameters *param, uint8_t *dst, int dst_stride,
const uint8_t *src, int src_stride, int w, int h)
{
int contrast = (int) (param->contrast * 256 * 16);
int brightness = ((int) (100.0 * param->brightness + 100.0) * 511) / 200 - 128 - contrast / 32;
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
int pel = ((src[y * src_stride + x] * contrast) >> 12) + brightness;
if (pel & ~255)
pel = (-pel) >> 31;
dst[y * dst_stride + x] = pel;
}
}
}
void ff_eq_init_x86(EQContext *eq);
static av_unused void ff_eq_init(EQContext *eq)
{
eq->process = process_c;
if (ARCH_X86)
ff_eq_init_x86(eq);
}
#endif /* AVFILTER_EQ_H */