diff options
Diffstat (limited to 'libswresample/resample_template.c')
| -rw-r--r-- | libswresample/resample_template.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/libswresample/resample_template.c b/libswresample/resample_template.c index 2ce97fa6ec..855296f243 100644 --- a/libswresample/resample_template.c +++ b/libswresample/resample_template.c @@ -25,6 +25,62 @@ * @author Michael Niedermayer <michaelni@gmx.at> */ +#if defined(TEMPLATE_RESAMPLE_DBL) +# define RENAME(N) N ## _double +# define FILTER_SHIFT 0 +# define DELEM double +# define FELEM double +# define FELEM2 double +# define FELEML double +# define OUT(d, v) d = v + +#elif defined(TEMPLATE_RESAMPLE_FLT) +# define RENAME(N) N ## _float +# define FILTER_SHIFT 0 +# define DELEM float +# define FELEM float +# define FELEM2 float +# define FELEML float +# define OUT(d, v) d = v + +#elif defined(TEMPLATE_RESAMPLE_S32) +# define RENAME(N) N ## _int32 +# define FILTER_SHIFT 30 +# define DELEM int32_t +# define FELEM int32_t +# define FELEM2 int64_t +# define FELEML int64_t +# define FELEM_MAX INT32_MAX +# define FELEM_MIN INT32_MIN +# define OUT(d, v) v = (v + (1<<(FILTER_SHIFT-1)))>>FILTER_SHIFT;\ + d = (uint64_t)(v + 0x80000000) > 0xFFFFFFFF ? (v>>63) ^ 0x7FFFFFFF : v + +#elif defined(TEMPLATE_RESAMPLE_S16) \ + || defined(TEMPLATE_RESAMPLE_S16_MMX2) \ + || defined(TEMPLATE_RESAMPLE_S16_SSSE3) + +# define FILTER_SHIFT 15 +# define DELEM int16_t +# define FELEM int16_t +# define FELEM2 int32_t +# define FELEML int64_t +# define FELEM_MAX INT16_MAX +# define FELEM_MIN INT16_MIN +# define OUT(d, v) v = (v + (1<<(FILTER_SHIFT-1)))>>FILTER_SHIFT;\ + d = (unsigned)(v + 32768) > 65535 ? (v>>31) ^ 32767 : v + +# if defined(TEMPLATE_RESAMPLE_S16) +# define RENAME(N) N ## _int16 +# elif defined(TEMPLATE_RESAMPLE_S16_MMX2) +# define COMMON_CORE COMMON_CORE_INT16_MMX2 +# define RENAME(N) N ## _int16_mmx2 +# elif defined(TEMPLATE_RESAMPLE_S16_SSSE3) +# define COMMON_CORE COMMON_CORE_INT16_SSSE3 +# define RENAME(N) N ## _int16_ssse3 +# endif + +#endif + int RENAME(swri_resample)(ResampleContext *c, DELEM *dst, const DELEM *src, int *consumed, int src_size, int dst_size, int update_ctx){ int dst_index, i; int index= c->index; @@ -149,3 +205,14 @@ av_log(NULL, AV_LOG_DEBUG, "%d %d %d\n", c->dst_incr, c->ideal_dst_incr, c->comp return dst_index; } + +#undef COMMON_CORE +#undef RENAME +#undef FILTER_SHIFT +#undef DELEM +#undef FELEM +#undef FELEM2 +#undef FELEML +#undef FELEM_MAX +#undef FELEM_MIN +#undef OUT |