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pipewire/spa/plugins/audioconvert/fmt-ops.h

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/* Spa
*
* Copyright © 2019 Wim Taymans
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <math.h>
#if defined(__FreeBSD__) || defined(__MidnightBSD__)
#include <sys/endian.h>
#define bswap_16 bswap16
#define bswap_32 bswap32
#define bswap_64 bswap64
#else
#include <byteswap.h>
#endif
#include <spa/utils/defs.h>
#include <spa/utils/string.h>
#define FMT_OPS_MAX_ALIGN 32
#define U8_MIN 0u
#define U8_MAX 255u
#define U8_SCALE 127.5f
#define U8_OFFS 128.f
#define U8_TO_F32(v) ((((uint8_t)(v)) * (1.0f / U8_OFFS)) - 1.0f)
#define F32_TO_U8(v) (uint8_t)SPA_CLAMP((v) * U8_SCALE + U8_OFFS, U8_MIN, U8_MAX)
#define F32_TO_U8_D(v,d) (uint8_t)SPA_CLAMP((v) * U8_SCALE + U8_OFFS + (d), U8_MIN, U8_MAX)
#define S8_MIN -127
#define S8_MAX 127
#define S8_MAX_F 127.0f
#define S8_SCALE 127.0f
#define S8_TO_F32(v) (((int8_t)(v)) * (1.0f / S8_SCALE))
#define F32_TO_S8(v) (int8_t)SPA_CLAMP((v) * S8_SCALE, S8_MIN, S8_MAX)
#define F32_TO_S8_D(v,d) (int8_t)SPA_CLAMP((v) * S8_SCALE + (d), S8_MIN, S8_MAX)
#define U16_MIN 0u
#define U16_MAX 65535u
#define U16_SCALE 32767.5f
#define U16_OFFS 32768.f
#define U16_TO_F32(v) ((((uint16_t)(v)) * (1.0f / U16_OFFS)) - 1.0)
#define U16S_TO_F32(v) (((uint16_t)bswap_16((uint16_t)(v)) * (1.0f / U16_OFFS)) - 1.0)
#define F32_TO_U16(v) (uint16_t)SPA_CLAMP((v) * U16_SCALE + U16_OFFS, U16_MIN, U16_MAX)
#define F32_TO_U16_D(v,d) (uint16_t)SPA_CLAMP((v) * U16_SCALE + U16_OFFS + (d), U16_MIN, U16_MAX)
#define F32_TO_U16S(v) bswap_16(F32_TO_U16(v))
#define F32_TO_U16S_D(v,d) bswap_16(F32_TO_U16_D(v,d))
#define S16_MIN -32767
#define S16_MAX 32767
#define S16_MAX_F 32767.0f
#define S16_SCALE 32767.0f
#define S16_TO_F32(v) (((int16_t)(v)) * (1.0f / S16_SCALE))
#define S16S_TO_F32(v) (((int16_t)bswap_16(v)) * (1.0f / S16_SCALE))
#define F32_TO_S16(v) (int16_t)SPA_CLAMP((v) * S16_SCALE, S16_MIN, S16_MAX)
#define F32_TO_S16_D(v,d) (int16_t)SPA_CLAMP((v) * S16_SCALE + (d), S16_MIN, S16_MAX)
#define F32_TO_S16S(v) bswap_16(F32_TO_S16(v))
#define F32_TO_S16S_D(v,d) bswap_16(F32_TO_S16_D(v,d))
#define U24_MIN 0u
#define U24_MAX 16777215u
#define U24_SCALE 8388607.5f
#define U24_OFFS 8388608.f
#define U24_TO_F32(v) ((((uint32_t)(v)) * (1.0f / U24_OFFS)) - 1.0)
#define F32_TO_U24(v) (uint32_t)SPA_CLAMP((v) * U24_SCALE + U24_OFFS, U24_MIN, U24_MAX)
#define F32_TO_U24_D(v,d) (uint32_t)SPA_CLAMP((v) * U24_SCALE + U24_OFFS + (d), U24_MIN, U24_MAX)
#define S24_MIN -8388607
#define S24_MAX 8388607
#define S24_MAX_F 8388607.0f
#define S24_SCALE 8388607.0f
#define S24_TO_F32(v) (((int32_t)(v)) * (1.0f / S24_SCALE))
#define F32_TO_S24(v) (int32_t)SPA_CLAMP((v) * S24_SCALE, S24_MIN, S24_MAX)
#define F32_TO_S24_D(v,d) (int32_t)SPA_CLAMP((v) * S24_SCALE + (d), S24_MIN, S24_MAX)
#define U32_MIN 0u
#define U32_MAX 4294967040u
#define U32_SCALE 2147483520.f
#define U32_OFFS 2147483520.f
#define U32_TO_F32(v) ((((uint32_t)(v)) * (1.0f / U32_OFFS)) - 1.0)
#define F32_TO_U32(v) (uint32_t)SPA_CLAMP((v) * U32_SCALE + U32_OFFS, U32_MIN, U32_MAX)
#define F32_TO_U32_D(v,d) (uint32_t)SPA_CLAMP((v) * U32_SCALE + U32_OFFS + (d), U32_MIN, U32_MAX)
#define S32_MIN -2147483520
#define S32_MAX 2147483520
#define S32_MAX_F 2147483520.f
#define S32_SCALE 2147483648.f
#define S32_TO_F32(v) (((int32_t)(v)) * (1.0f / S32_SCALE))
#define S32S_TO_F32(v) (((int32_t)bswap_32(v)) * (1.0f / S32_SCALE))
#define F32_TO_S32(v) (int32_t)SPA_CLAMP((v) * S32_SCALE, S32_MIN, S32_MAX)
#define F32_TO_S32_D(v,d) (int32_t)SPA_CLAMP((v) * S32_SCALE + (d), S32_MIN, S32_MAX)
#define F32_TO_S32S(v) bswap_32(F32_TO_S32(v))
#define F32_TO_S32S_D(v,d) bswap_32(F32_TO_S32_D(v,d))
#define U24_32_TO_F32(v) U32_TO_F32((v)<<8)
#define U24_32S_TO_F32(v) U32_TO_F32(((int32_t)bswap_32(v))<<8)
#define F32_TO_U24_32(v) F32_TO_U24(v)
#define F32_TO_U24_32S(v) bswap_32(F32_TO_U24(v))
#define F32_TO_U24_32_D(v,d) F32_TO_U24_D(v,d)
#define F32_TO_U24_32S_D(v,d) bswap_32(F32_TO_U24_D(v,d))
#define S24_32_TO_F32(v) S32_TO_F32((v)<<8)
#define S24_32S_TO_F32(v) S32_TO_F32(((int32_t)bswap_32(v))<<8)
#define F32_TO_S24_32(v) F32_TO_S24(v)
#define F32_TO_S24_32S(v) bswap_32(F32_TO_S24(v))
#define F32_TO_S24_32_D(v,d) F32_TO_S24_D(v,d)
#define F32_TO_S24_32S_D(v,d) bswap_32(F32_TO_S24_D(v,d))
static inline uint32_t read_u24(const void *src)
{
const uint8_t *s = src;
#if __BYTE_ORDER == __LITTLE_ENDIAN
return (((uint32_t)s[2] << 16) | ((uint32_t)(uint8_t)s[1] << 8) | (uint32_t)(uint8_t)s[0]);
#else
return (((uint32_t)s[0] << 16) | ((uint32_t)(uint8_t)s[1] << 8) | (uint32_t)(uint8_t)s[2]);
#endif
}
static inline int32_t read_s24(const void *src)
{
const int8_t *s = src;
#if __BYTE_ORDER == __LITTLE_ENDIAN
return (((int32_t)s[2] << 16) | ((uint32_t)(uint8_t)s[1] << 8) | (uint32_t)(uint8_t)s[0]);
#else
return (((int32_t)s[0] << 16) | ((uint32_t)(uint8_t)s[1] << 8) | (uint32_t)(uint8_t)s[2]);
#endif
}
static inline int32_t read_s24s(const void *src)
{
const int8_t *s = src;
#if __BYTE_ORDER == __LITTLE_ENDIAN
return (((int32_t)s[0] << 16) | ((uint32_t)(uint8_t)s[1] << 8) | (uint32_t)(uint8_t)s[2]);
#else
return (((int32_t)s[2] << 16) | ((uint32_t)(uint8_t)s[1] << 8) | (uint32_t)(uint8_t)s[0]);
#endif
}
static inline void write_u24(void *dst, uint32_t val)
{
uint8_t *d = dst;
#if __BYTE_ORDER == __LITTLE_ENDIAN
d[0] = (uint8_t) (val);
d[1] = (uint8_t) (val >> 8);
d[2] = (uint8_t) (val >> 16);
#else
d[0] = (uint8_t) (val >> 16);
d[1] = (uint8_t) (val >> 8);
d[2] = (uint8_t) (val);
#endif
}
static inline void write_s24(void *dst, int32_t val)
{
uint8_t *d = dst;
#if __BYTE_ORDER == __LITTLE_ENDIAN
d[0] = (uint8_t) (val);
d[1] = (uint8_t) (val >> 8);
d[2] = (uint8_t) (val >> 16);
#else
d[0] = (uint8_t) (val >> 16);
d[1] = (uint8_t) (val >> 8);
d[2] = (uint8_t) (val);
#endif
}
static inline void write_s24s(void *dst, int32_t val)
{
uint8_t *d = dst;
#if __BYTE_ORDER == __LITTLE_ENDIAN
d[0] = (uint8_t) (val >> 16);
d[1] = (uint8_t) (val >> 8);
d[2] = (uint8_t) (val);
#else
d[0] = (uint8_t) (val);
d[1] = (uint8_t) (val >> 8);
d[2] = (uint8_t) (val >> 16);
#endif
}
#define NS_MAX 8
#define NS_MASK (NS_MAX-1)
struct shaper {
float e[NS_MAX];
uint32_t idx;
float r;
};
struct convert {
uint32_t quantize;
uint32_t noise;
#define DITHER_METHOD_NONE 0
#define DITHER_METHOD_RECTANGULAR 1
#define DITHER_METHOD_TRIANGULAR 2
#define DITHER_METHOD_SHAPED_5 3
uint32_t method;
uint32_t src_fmt;
uint32_t dst_fmt;
uint32_t n_channels;
uint32_t rate;
uint32_t cpu_flags;
const char *func_name;
unsigned int is_passthrough:1;
float scale;
uint32_t random[16 + FMT_OPS_MAX_ALIGN/4];
float *dither;
uint32_t dither_size;
struct shaper shaper[64];
void (*process) (struct convert *conv, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src[],
uint32_t n_samples);
void (*free) (struct convert *conv);
};
int convert_init(struct convert *conv);
static const struct dither_method_info {
const char *label;
const char *description;
uint32_t method;
} dither_method_info[] = {
[DITHER_METHOD_NONE] = { "none", "Disabled", DITHER_METHOD_NONE },
[DITHER_METHOD_RECTANGULAR] = { "rectangular", "Rectangular dithering", DITHER_METHOD_RECTANGULAR },
[DITHER_METHOD_TRIANGULAR] = { "triangular", "Triangular dithering", DITHER_METHOD_TRIANGULAR },
[DITHER_METHOD_SHAPED_5] = { "shaped5", "Shaped 5 dithering", DITHER_METHOD_SHAPED_5 }
};
static inline uint32_t dither_method_from_label(const char *label)
{
uint32_t i;
for (i = 0; i < SPA_N_ELEMENTS(dither_method_info); i++) {
if (spa_streq(dither_method_info[i].label, label))
return dither_method_info[i].method;
}
return DITHER_METHOD_NONE;
}
#define convert_process(conv,...) (conv)->process(conv, __VA_ARGS__)
#define convert_free(conv) (conv)->free(conv)
#define DEFINE_FUNCTION(name,arch) \
void conv_##name##_##arch(struct convert *conv, void * SPA_RESTRICT dst[], \
const void * SPA_RESTRICT src[], uint32_t n_samples) \
DEFINE_FUNCTION(copy8d, c);
DEFINE_FUNCTION(copy8, c);
DEFINE_FUNCTION(copy16d, c);
DEFINE_FUNCTION(copy16, c);
DEFINE_FUNCTION(copy24d, c);
DEFINE_FUNCTION(copy24, c);
DEFINE_FUNCTION(copy32d, c);
DEFINE_FUNCTION(copy32, c);
DEFINE_FUNCTION(copy64d, c);
DEFINE_FUNCTION(copy64, c);
DEFINE_FUNCTION(u8d_to_f32d, c);
DEFINE_FUNCTION(u8_to_f32, c);
DEFINE_FUNCTION(u8_to_f32d, c);
DEFINE_FUNCTION(u8d_to_f32, c);
DEFINE_FUNCTION(s8d_to_f32d, c);
DEFINE_FUNCTION(s8_to_f32, c);
DEFINE_FUNCTION(s8_to_f32d, c);
DEFINE_FUNCTION(s8d_to_f32, c);
DEFINE_FUNCTION(ulaw_to_f32d, c);
DEFINE_FUNCTION(alaw_to_f32d, c);
DEFINE_FUNCTION(u16_to_f32, c);
DEFINE_FUNCTION(u16_to_f32d, c);
DEFINE_FUNCTION(s16d_to_f32d, c);
DEFINE_FUNCTION(s16_to_f32, c);
DEFINE_FUNCTION(s16_to_f32d, c);
DEFINE_FUNCTION(s16s_to_f32d, c);
DEFINE_FUNCTION(s16d_to_f32, c);
DEFINE_FUNCTION(u32_to_f32, c);
DEFINE_FUNCTION(u32_to_f32d, c);
DEFINE_FUNCTION(s32d_to_f32d, c);
DEFINE_FUNCTION(s32_to_f32, c);
DEFINE_FUNCTION(s32_to_f32d, c);
DEFINE_FUNCTION(s32s_to_f32d, c);
DEFINE_FUNCTION(s32d_to_f32, c);
DEFINE_FUNCTION(u24_to_f32, c);
DEFINE_FUNCTION(u24_to_f32d, c);
DEFINE_FUNCTION(s24d_to_f32d, c);
DEFINE_FUNCTION(s24_to_f32, c);
DEFINE_FUNCTION(s24_to_f32d, c);
DEFINE_FUNCTION(s24s_to_f32d, c);
DEFINE_FUNCTION(s24d_to_f32, c);
DEFINE_FUNCTION(u24_32_to_f32, c);
DEFINE_FUNCTION(u24_32_to_f32d, c);
DEFINE_FUNCTION(s24_32d_to_f32d, c);
DEFINE_FUNCTION(s24_32_to_f32, c);
DEFINE_FUNCTION(s24_32_to_f32d, c);
DEFINE_FUNCTION(s24_32s_to_f32d, c);
DEFINE_FUNCTION(s24_32d_to_f32, c);
DEFINE_FUNCTION(f64d_to_f32d, c);
DEFINE_FUNCTION(f64_to_f32, c);
DEFINE_FUNCTION(f64_to_f32d, c);
DEFINE_FUNCTION(f64s_to_f32d, c);
DEFINE_FUNCTION(f64d_to_f32, c);
DEFINE_FUNCTION(f32d_to_u8d, c);
DEFINE_FUNCTION(f32d_to_u8d_dither, c);
DEFINE_FUNCTION(f32d_to_u8d_shaped, c);
DEFINE_FUNCTION(f32_to_u8, c);
DEFINE_FUNCTION(f32_to_u8d, c);
DEFINE_FUNCTION(f32d_to_u8, c);
DEFINE_FUNCTION(f32d_to_u8_dither, c);
DEFINE_FUNCTION(f32d_to_u8_shaped, c);
DEFINE_FUNCTION(f32d_to_s8d, c);
DEFINE_FUNCTION(f32d_to_s8d_dither, c);
DEFINE_FUNCTION(f32d_to_s8d_shaped, c);
DEFINE_FUNCTION(f32_to_s8, c);
DEFINE_FUNCTION(f32_to_s8d, c);
DEFINE_FUNCTION(f32d_to_s8, c);
DEFINE_FUNCTION(f32d_to_s8_dither, c);
DEFINE_FUNCTION(f32d_to_s8_shaped, c);
DEFINE_FUNCTION(f32d_to_alaw, c);
DEFINE_FUNCTION(f32d_to_ulaw, c);
DEFINE_FUNCTION(f32_to_u16, c);
DEFINE_FUNCTION(f32d_to_u16, c);
DEFINE_FUNCTION(f32d_to_s16d, c);
DEFINE_FUNCTION(f32d_to_s16d_dither, c);
DEFINE_FUNCTION(f32d_to_s16d_shaped, c);
DEFINE_FUNCTION(f32_to_s16, c);
DEFINE_FUNCTION(f32_to_s16d, c);
DEFINE_FUNCTION(f32d_to_s16, c);
DEFINE_FUNCTION(f32d_to_s16_dither, c);
DEFINE_FUNCTION(f32d_to_s16_shaped, c);
DEFINE_FUNCTION(f32d_to_s16s, c);
DEFINE_FUNCTION(f32d_to_s16s_dither, c);
DEFINE_FUNCTION(f32d_to_s16s_shaped, c);
DEFINE_FUNCTION(f32_to_u32, c);
DEFINE_FUNCTION(f32d_to_u32, c);
DEFINE_FUNCTION(f32d_to_s32d, c);
DEFINE_FUNCTION(f32d_to_s32d_dither, c);
DEFINE_FUNCTION(f32_to_s32, c);
DEFINE_FUNCTION(f32_to_s32d, c);
DEFINE_FUNCTION(f32d_to_s32, c);
DEFINE_FUNCTION(f32d_to_s32_dither, c);
DEFINE_FUNCTION(f32d_to_s32s, c);
DEFINE_FUNCTION(f32d_to_s32s_dither, c);
DEFINE_FUNCTION(f32_to_u24, c);
DEFINE_FUNCTION(f32d_to_u24, c);
DEFINE_FUNCTION(f32d_to_s24d, c);
DEFINE_FUNCTION(f32d_to_s24d_dither, c);
DEFINE_FUNCTION(f32_to_s24, c);
DEFINE_FUNCTION(f32_to_s24d, c);
DEFINE_FUNCTION(f32d_to_s24, c);
DEFINE_FUNCTION(f32d_to_s24_dither, c);
DEFINE_FUNCTION(f32d_to_s24s, c);
DEFINE_FUNCTION(f32d_to_s24s_dither, c);
DEFINE_FUNCTION(f32_to_u24_32, c);
DEFINE_FUNCTION(f32d_to_u24_32, c);
DEFINE_FUNCTION(f32d_to_s24_32d, c);
DEFINE_FUNCTION(f32d_to_s24_32d_dither, c);
DEFINE_FUNCTION(f32_to_s24_32, c);
DEFINE_FUNCTION(f32_to_s24_32d, c);
DEFINE_FUNCTION(f32d_to_s24_32, c);
DEFINE_FUNCTION(f32d_to_s24_32_dither, c);
DEFINE_FUNCTION(f32d_to_s24_32s, c);
DEFINE_FUNCTION(f32d_to_s24_32s_dither, c);
DEFINE_FUNCTION(f32d_to_f64d, c);
DEFINE_FUNCTION(f32_to_f64, c);
DEFINE_FUNCTION(f32_to_f64d, c);
DEFINE_FUNCTION(f32d_to_f64, c);
DEFINE_FUNCTION(f32d_to_f64s, c);
DEFINE_FUNCTION(8_to_8d, c);
DEFINE_FUNCTION(16_to_16d, c);
DEFINE_FUNCTION(24_to_24d, c);
DEFINE_FUNCTION(32_to_32d, c);
DEFINE_FUNCTION(32s_to_32sd, c);
DEFINE_FUNCTION(64_to_64d, c);
DEFINE_FUNCTION(64s_to_64sd, c);
DEFINE_FUNCTION(8d_to_8, c);
DEFINE_FUNCTION(16d_to_16, c);
DEFINE_FUNCTION(24d_to_24, c);
DEFINE_FUNCTION(32d_to_32, c);
DEFINE_FUNCTION(32sd_to_32s, c);
DEFINE_FUNCTION(64d_to_64, c);
DEFINE_FUNCTION(64sd_to_64s, c);
#if defined(HAVE_NEON)
DEFINE_FUNCTION(s16_to_f32d_2, neon);
DEFINE_FUNCTION(s16_to_f32d, neon);
DEFINE_FUNCTION(f32d_to_s16, neon);
#endif
#if defined(HAVE_SSE2)
DEFINE_FUNCTION(s16_to_f32d_2, sse2);
DEFINE_FUNCTION(s16_to_f32d, sse2);
DEFINE_FUNCTION(s24_to_f32d, sse2);
DEFINE_FUNCTION(s32_to_f32d, sse2);
DEFINE_FUNCTION(f32d_to_s32, sse2);
DEFINE_FUNCTION(f32d_to_s32_dither, sse2);
DEFINE_FUNCTION(f32_to_s16, sse2);
DEFINE_FUNCTION(f32d_to_s16_2, sse2);
DEFINE_FUNCTION(f32d_to_s16, sse2);
DEFINE_FUNCTION(f32d_to_s16d, sse2);
DEFINE_FUNCTION(32_to_32d, sse2);
DEFINE_FUNCTION(32s_to_32sd, sse2);
DEFINE_FUNCTION(32d_to_32, sse2);
DEFINE_FUNCTION(32sd_to_32s, sse2);
#endif
#if defined(HAVE_SSSE3)
DEFINE_FUNCTION(s24_to_f32d, ssse3);
#endif
#if defined(HAVE_SSE41)
DEFINE_FUNCTION(s24_to_f32d, sse41);
#endif
#if defined(HAVE_AVX2)
DEFINE_FUNCTION(s16_to_f32d_2, avx2);
DEFINE_FUNCTION(s16_to_f32d, avx2);
DEFINE_FUNCTION(s24_to_f32d, avx2);
DEFINE_FUNCTION(s32_to_f32d, avx2);
DEFINE_FUNCTION(f32d_to_s32, avx2);
DEFINE_FUNCTION(f32d_to_s16_4, avx2);
DEFINE_FUNCTION(f32d_to_s16_2, avx2);
DEFINE_FUNCTION(f32d_to_s16, avx2);
#endif
#undef DEFINE_FUNCTION
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