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26 const uint8_t *_src,
const int16_t *
filter,
27 const int32_t *filterPos,
int filterSize);
29 const uint8_t *_src,
const int16_t *
filter,
30 const int32_t *filterPos,
int filterSize);
32 const uint8_t *_src,
const int16_t *
filter,
33 const int32_t *filterPos,
int filterSize);
35 const uint8_t *_src,
const int16_t *
filter,
36 const int32_t *filterPos,
int filterSize);
38 const uint8_t *_src,
const int16_t *
filter,
39 const int32_t *filterPos,
int filterSize);
41 const uint8_t *_src,
const int16_t *
filter,
42 const int32_t *filterPos,
int filterSize);
45 const uint8_t *_src,
const int16_t *
filter,
46 const int32_t *filterPos,
int filterSize)
49 int sh =
desc->comp[0].depth - 1;
61 const uint8_t *_src,
const int16_t *
filter,
62 const int32_t *filterPos,
int filterSize)
65 int sh =
desc->comp[0].depth - 1;
77 const uint8_t *_src,
const int16_t *
filter,
78 const int32_t *filterPos,
int filterSize)
81 int sh =
desc->comp[0].depth - 1;
92 const uint8_t *_src,
const int16_t *
filter,
93 const int32_t *filterPos,
int filterSize)
110 const uint8_t *_src,
const int16_t *
filter,
111 const int32_t *filterPos,
int filterSize)
128 const uint8_t *_src,
const int16_t *
filter,
129 const int32_t *filterPos,
int filterSize)
145 #define SCALE_FUNC(filter_n, from_bpc, to_bpc, opt) \
146 void ff_hscale ## from_bpc ## to ## to_bpc ## _ ## filter_n ## _ ## opt( \
147 SwsContext *c, int16_t *data, \
148 int dstW, const uint8_t *src, \
149 const int16_t *filter, \
150 const int32_t *filterPos, int filterSize)
151 #define SCALE_FUNCS(filter_n, opt) \
152 SCALE_FUNC(filter_n, 8, 15, opt); \
153 SCALE_FUNC(filter_n, 8, 19, opt);
154 #define ALL_SCALE_FUNCS(opt) \
155 SCALE_FUNCS(4, opt); \
156 SCALE_FUNCS(X8, opt); \
162 const int16_t **
src, uint8_t *dest,
int dstW,
171 #define ASSIGN_SCALE_FUNC2(hscalefn, filtersize, opt) do { \
172 if (c->srcBpc == 8) { \
173 if(c->dstBpc <= 14) { \
175 ff_hscale8to15_ ## filtersize ## _ ## opt; \
178 ff_hscale8to19_ ## filtersize ## _ ## opt; \
180 if (c->dstBpc <= 14) \
182 ff_hscale16to15_ ## filtersize ## _ ## opt; \
185 ff_hscale16to19_ ## filtersize ## _ ## opt; \
189 #define ASSIGN_SCALE_FUNC(hscalefn, filtersize, opt) do { \
190 if (filtersize == 4) \
191 ASSIGN_SCALE_FUNC2(hscalefn, 4, opt); \
192 else if (filtersize % 8 == 0) \
193 ASSIGN_SCALE_FUNC2(hscalefn, X8, opt); \
194 else if (filtersize % 4 == 0 && filtersize % 8 != 0) \
195 ASSIGN_SCALE_FUNC2(hscalefn, X4, opt); \
198 #define ASSIGN_VSCALE_FUNC(vscalefn, opt) \
199 switch (c->dstBpc) { \
200 case 8: vscalefn = ff_yuv2plane1_8_ ## opt; break; \
204 #define NEON_INPUT(name) \
205 void ff_##name##ToY_neon(uint8_t *dst, const uint8_t *src, const uint8_t *, \
206 const uint8_t *, int w, uint32_t *coeffs, void *); \
207 void ff_##name##ToUV_neon(uint8_t *, uint8_t *, const uint8_t *, \
208 const uint8_t *, const uint8_t *, int w, \
209 uint32_t *coeffs, void *); \
210 void ff_##name##ToUV_half_neon(uint8_t *, uint8_t *, const uint8_t *, \
211 const uint8_t *, const uint8_t *, int w, \
212 uint32_t *coeffs, void *)
228 if (
c->srcRange !=
c->dstRange && !
isAnyRGB(
c->dstFormat)) {
229 if (
c->dstBpc <= 14) {
249 if (
c->dstBpc == 8) {
252 switch (
c->srcFormat) {
254 c->lumToYV12 = ff_abgr32ToY_neon;
255 if (
c->chrSrcHSubSample)
256 c->chrToYV12 = ff_abgr32ToUV_half_neon;
258 c->chrToYV12 = ff_abgr32ToUV_neon;
262 c->lumToYV12 = ff_argb32ToY_neon;
263 if (
c->chrSrcHSubSample)
264 c->chrToYV12 = ff_argb32ToUV_half_neon;
266 c->chrToYV12 = ff_argb32ToUV_neon;
269 c->lumToYV12 = ff_bgr24ToY_neon;
270 if (
c->chrSrcHSubSample)
271 c->chrToYV12 = ff_bgr24ToUV_half_neon;
273 c->chrToYV12 = ff_bgr24ToUV_neon;
276 c->lumToYV12 = ff_bgra32ToY_neon;
277 if (
c->chrSrcHSubSample)
278 c->chrToYV12 = ff_bgra32ToUV_half_neon;
280 c->chrToYV12 = ff_bgra32ToUV_neon;
283 c->lumToYV12 = ff_rgb24ToY_neon;
284 if (
c->chrSrcHSubSample)
285 c->chrToYV12 = ff_rgb24ToUV_half_neon;
287 c->chrToYV12 = ff_rgb24ToUV_neon;
290 c->lumToYV12 = ff_rgba32ToY_neon;
291 if (
c->chrSrcHSubSample)
292 c->chrToYV12 = ff_rgba32ToUV_half_neon;
294 c->chrToYV12 = ff_rgba32ToUV_neon;
void ff_lumRangeFromJpeg_neon(int16_t *dst, int width)
void ff_hscale16to19_X4_neon_asm(int shift, int16_t *_dst, int dstW, const uint8_t *_src, const int16_t *filter, const int32_t *filterPos, int filterSize)
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
#define AV_PIX_FMT_FLAG_FLOAT
The pixel format contains IEEE-754 floating point values.
void ff_yuv2planeX_8_neon(const int16_t *filter, int filterSize, const int16_t **src, uint8_t *dest, int dstW, const uint8_t *dither, int offset)
void ff_yuv2plane1_8_neon(const int16_t *src, uint8_t *dest, int dstW, const uint8_t *dither, int offset)
void(* filter)(uint8_t *src, int stride, int qscale)
static void ff_hscale16to15_X4_neon(SwsContext *c, int16_t *_dst, int dstW, const uint8_t *_src, const int16_t *filter, const int32_t *filterPos, int filterSize)
@ AV_PIX_FMT_BGR24
packed RGB 8:8:8, 24bpp, BGRBGR...
@ AV_PIX_FMT_BGRA
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
static atomic_int cpu_flags
void ff_hscale16to15_X4_neon_asm(int shift, int16_t *_dst, int dstW, const uint8_t *_src, const int16_t *filter, const int32_t *filterPos, int filterSize)
av_cold void ff_sws_init_swscale_aarch64(SwsContext *c)
static void ff_hscale16to15_4_neon(SwsContext *c, int16_t *_dst, int dstW, const uint8_t *_src, const int16_t *filter, const int32_t *filterPos, int filterSize)
static void ff_hscale16to19_X4_neon(SwsContext *c, int16_t *_dst, int dstW, const uint8_t *_src, const int16_t *filter, const int32_t *filterPos, int filterSize)
void ff_hscale16to15_X8_neon_asm(int shift, int16_t *_dst, int dstW, const uint8_t *_src, const int16_t *filter, const int32_t *filterPos, int filterSize)
static void ff_hscale16to19_X8_neon(SwsContext *c, int16_t *_dst, int dstW, const uint8_t *_src, const int16_t *filter, const int32_t *filterPos, int filterSize)
void ff_chrRangeToJpeg_neon(int16_t *dstU, int16_t *dstV, int width)
@ AV_PIX_FMT_RGBA
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
void ff_hscale16to19_X8_neon_asm(int shift, int16_t *_dst, int dstW, const uint8_t *_src, const int16_t *filter, const int32_t *filterPos, int filterSize)
av_cold void ff_sws_init_range_convert_aarch64(SwsContext *c)
@ AV_PIX_FMT_ABGR
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
Undefined Behavior In the C some operations are like signed integer dereferencing freed accessing outside allocated Undefined Behavior must not occur in a C it is not safe even if the output of undefined operations is unused The unsafety may seem nit picking but Optimizing compilers have in fact optimized code on the assumption that no undefined Behavior occurs Optimizing code based on wrong assumptions can and has in some cases lead to effects beyond the output of computations The signed integer overflow problem in speed critical code Code which is highly optimized and works with signed integers sometimes has the problem that often the output of the computation does not c
void ff_chrRangeFromJpeg_neon(int16_t *dstU, int16_t *dstV, int width)
static void ff_hscale16to19_4_neon(SwsContext *c, int16_t *_dst, int dstW, const uint8_t *_src, const int16_t *filter, const int32_t *filterPos, int filterSize)
@ AV_PIX_FMT_RGB24
packed RGB 8:8:8, 24bpp, RGBRGB...
static int shift(int a, int b)
static av_always_inline int isAnyRGB(enum AVPixelFormat pix_fmt)
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf offset
void ff_hscale16to19_4_neon_asm(int shift, int16_t *_dst, int dstW, const uint8_t *_src, const int16_t *filter, const int32_t *filterPos, int filterSize)
@ AV_PIX_FMT_ARGB
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
#define ASSIGN_VSCALE_FUNC(vscalefn, opt)
@ AV_PIX_FMT_PAL8
8 bits with AV_PIX_FMT_RGB32 palette
#define ASSIGN_SCALE_FUNC(hscalefn, filtersize, opt)
void ff_hscale16to15_4_neon_asm(int shift, int16_t *_dst, int dstW, const uint8_t *_src, const int16_t *filter, const int32_t *filterPos, int filterSize)
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
static void ff_hscale16to15_X8_neon(SwsContext *c, int16_t *_dst, int dstW, const uint8_t *_src, const int16_t *filter, const int32_t *filterPos, int filterSize)
#define ALL_SCALE_FUNCS(opt)
void ff_lumRangeToJpeg_neon(int16_t *dst, int width)
static const uint8_t dither[8][8]