mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-01 22:58:50 -04:00
audiomixer: clean up mixer functions
Use the same limits as the format converter. Use a struct for 24bits. Use macros to generate the mixers.
This commit is contained in:
Wim Taymans
parent
4a82cb74e8
commit
f9660f5e8f
2 changed files with 85 additions and 280 deletions
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@ -30,236 +30,34 @@
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#include "mix-ops.h"
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void
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mix_s8_c(struct mix_ops *ops, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
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uint32_t n_src, uint32_t n_samples)
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{
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uint32_t i, n;
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int8_t *d = dst;
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if (n_src == 0)
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memset(dst, 0, n_samples * ops->n_channels * sizeof(int8_t));
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else if (dst != src[0])
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spa_memcpy(dst, src[0], n_samples * ops->n_channels * sizeof(int8_t));
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for (i = 1; i < n_src; i++) {
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const int8_t *s = src[i];
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for (n = 0; n < n_samples * ops->n_channels; n++)
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d[n] = S8_MIX(d[n], s[n]);
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}
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#define MAKE_FUNC(name,type,func) \
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void mix_ ##name## _c(struct mix_ops *ops, \
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void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[], \
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uint32_t n_src, uint32_t n_samples) \
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{ \
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uint32_t i, n; \
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type *d = dst; \
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n_samples *= ops->n_channels; \
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if (n_src == 0) \
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memset(dst, 0, n_samples * sizeof(type)); \
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else if (dst != src[0]) \
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spa_memcpy(dst, src[0], n_samples * sizeof(type)); \
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for (i = 1; i < n_src; i++) { \
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const type *s = src[i]; \
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for (n = 0; n < n_samples; n++) \
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d[n] = func (d[n], s[n]); \
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} \
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}
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void
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mix_u8_c(struct mix_ops *ops, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
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uint32_t n_src, uint32_t n_samples)
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{
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uint32_t i, n;
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uint8_t *d = dst;
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if (n_src == 0)
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memset(dst, 0, n_samples * ops->n_channels * sizeof(uint8_t));
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else if (dst != src[0])
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spa_memcpy(dst, src[0], n_samples * ops->n_channels * sizeof(uint8_t));
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for (i = 1; i < n_src; i++) {
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const uint8_t *s = src[i];
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for (n = 0; n < n_samples * ops->n_channels; n++)
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d[n] = U8_MIX(d[n], s[n]);
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}
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}
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void
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mix_s16_c(struct mix_ops *ops, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
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uint32_t n_src, uint32_t n_samples)
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{
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uint32_t i, n;
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int16_t *d = dst;
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if (n_src == 0)
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memset(dst, 0, n_samples * ops->n_channels * sizeof(int16_t));
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else if (dst != src[0])
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spa_memcpy(dst, src[0], n_samples * ops->n_channels * sizeof(int16_t));
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for (i = 1; i < n_src; i++) {
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const int16_t *s = src[i];
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for (n = 0; n < n_samples * ops->n_channels; n++)
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d[n] = S16_MIX(d[n], s[n]);
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}
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}
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void
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mix_u16_c(struct mix_ops *ops, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
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uint32_t n_src, uint32_t n_samples)
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{
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uint32_t i, n;
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uint16_t *d = dst;
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if (n_src == 0)
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memset(dst, 0, n_samples * ops->n_channels * sizeof(uint16_t));
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else if (dst != src[0])
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spa_memcpy(dst, src[0], n_samples * ops->n_channels * sizeof(uint16_t));
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for (i = 1; i < n_src; i++) {
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const uint16_t *s = src[i];
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for (n = 0; n < n_samples * ops->n_channels; n++)
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d[n] = U16_MIX(d[n], s[n]);
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}
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}
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void
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mix_s24_c(struct mix_ops *ops, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
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uint32_t n_src, uint32_t n_samples)
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{
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uint32_t i, n;
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uint8_t *d = dst;
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if (n_src == 0)
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memset(dst, 0, n_samples * ops->n_channels * sizeof(uint8_t) * 3);
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else if (dst != src[0])
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spa_memcpy(dst, src[0], n_samples * ops->n_channels * sizeof(uint8_t) * 3);
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for (i = 1; i < n_src; i++) {
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const uint8_t *s = src[i];
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for (n = 0; n < n_samples * ops->n_channels; n++) {
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write_s24(d, S24_MIX(read_s24(d), read_s24(s)));
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d += 3;
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s += 3;
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}
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}
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}
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void
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mix_u24_c(struct mix_ops *ops, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
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uint32_t n_src, uint32_t n_samples)
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{
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uint32_t i, n;
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uint8_t *d = dst;
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if (n_src == 0)
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memset(dst, 0, n_samples * ops->n_channels * sizeof(uint8_t) * 3);
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else if (dst != src[0])
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spa_memcpy(dst, src[0], n_samples * ops->n_channels * sizeof(uint8_t) * 3);
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for (i = 1; i < n_src; i++) {
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const uint8_t *s = src[i];
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for (n = 0; n < n_samples * ops->n_channels; n++) {
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write_u24(d, U24_MIX(read_u24(d), read_u24(s)));
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d += 3;
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s += 3;
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}
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}
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}
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void
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mix_s32_c(struct mix_ops *ops, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
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uint32_t n_src, uint32_t n_samples)
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{
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uint32_t i, n;
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int32_t *d = dst;
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if (n_src == 0)
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memset(dst, 0, n_samples * ops->n_channels * sizeof(int32_t));
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else if (dst != src[0])
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spa_memcpy(dst, src[0], n_samples * ops->n_channels * sizeof(int32_t));
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for (i = 1; i < n_src; i++) {
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const int32_t *s = src[i];
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for (n = 0; n < n_samples * ops->n_channels; n++)
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d[n] = S32_MIX(d[n], s[n]);
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}
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}
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void
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mix_u32_c(struct mix_ops *ops, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
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uint32_t n_src, uint32_t n_samples)
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{
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uint32_t i, n;
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uint32_t *d = dst;
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if (n_src == 0)
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memset(dst, 0, n_samples * ops->n_channels * sizeof(uint32_t));
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else if (dst != src[0])
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spa_memcpy(dst, src[0], n_samples * ops->n_channels * sizeof(uint32_t));
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for (i = 1; i < n_src; i++) {
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const uint32_t *s = src[i];
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for (n = 0; n < n_samples * ops->n_channels; n++)
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d[n] = U32_MIX(d[n], s[n]);
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}
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}
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void
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mix_s24_32_c(struct mix_ops *ops, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
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uint32_t n_src, uint32_t n_samples)
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{
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uint32_t i, n;
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int32_t *d = dst;
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if (n_src == 0)
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memset(dst, 0, n_samples * ops->n_channels * sizeof(int32_t));
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else if (dst != src[0])
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spa_memcpy(dst, src[0], n_samples * ops->n_channels * sizeof(int32_t));
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for (i = 1; i < n_src; i++) {
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const int32_t *s = src[i];
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for (n = 0; n < n_samples * ops->n_channels; n++)
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d[n] = S24_32_MIX(d[n], s[n]);
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}
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}
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void
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mix_u24_32_c(struct mix_ops *ops, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
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uint32_t n_src, uint32_t n_samples)
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{
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uint32_t i, n;
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uint32_t *d = dst;
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if (n_src == 0)
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memset(dst, 0, n_samples * ops->n_channels * sizeof(uint32_t));
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else if (dst != src[0])
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spa_memcpy(dst, src[0], n_samples * ops->n_channels * sizeof(uint32_t));
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for (i = 1; i < n_src; i++) {
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const uint32_t *s = src[i];
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for (n = 0; n < n_samples * ops->n_channels; n++)
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d[n] = U24_32_MIX(d[n], s[n]);
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}
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}
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void
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mix_f32_c(struct mix_ops *ops, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
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uint32_t n_src, uint32_t n_samples)
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{
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uint32_t i, n;
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float *d = dst;
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if (n_src == 0)
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memset(dst, 0, n_samples * ops->n_channels * sizeof(float));
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else if (dst != src[0])
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spa_memcpy(dst, src[0], n_samples * ops->n_channels * sizeof(float));
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for (i = 1; i < n_src; i++) {
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const float *s = src[i];
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for (n = 0; n < n_samples * ops->n_channels; n++)
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d[n] = F32_MIX(d[n], s[n]);
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}
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}
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void
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mix_f64_c(struct mix_ops *ops, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
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uint32_t n_src, uint32_t n_samples)
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{
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uint32_t i, n;
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double *d = dst;
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if (n_src == 0)
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memset(dst, 0, n_samples * ops->n_channels * sizeof(double));
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else if (dst != src[0])
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spa_memcpy(dst, src[0], n_samples * ops->n_channels * sizeof(double));
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for (i = 1; i < n_src; i++) {
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const double *s = src[i];
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for (n = 0; n < n_samples * ops->n_channels; n++)
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d[n] = F64_MIX(d[n], s[n]);
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}
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}
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MAKE_FUNC(s8, int8_t, S8_MIX);
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MAKE_FUNC(u8, uint8_t, U8_MIX);
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MAKE_FUNC(s16, int16_t, S16_MIX);
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MAKE_FUNC(u16, uint16_t, U16_MIX);
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MAKE_FUNC(s24, int24_t, S24_MIX);
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MAKE_FUNC(u24, uint24_t, U24_MIX);
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MAKE_FUNC(s32, int32_t, S32_MIX);
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MAKE_FUNC(u32, uint32_t, U32_MIX);
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MAKE_FUNC(s24_32, int32_t, S24_32_MIX);
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MAKE_FUNC(u24_32, uint32_t, U24_32_MIX);
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MAKE_FUNC(f32, float, F32_MIX);
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MAKE_FUNC(f64, double, F64_MIX);
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@ -24,79 +24,86 @@
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#include <spa/utils/defs.h>
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static inline uint32_t read_u24(const void *src)
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{
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const uint8_t *s = src;
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typedef struct {
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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return (((uint32_t)s[2] << 16) | ((uint32_t)(uint8_t)s[1] << 8) | (uint32_t)(uint8_t)s[0]);
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uint8_t v3;
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uint8_t v2;
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uint8_t v1;
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#else
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return (((uint32_t)s[0] << 16) | ((uint32_t)(uint8_t)s[1] << 8) | (uint32_t)(uint8_t)s[2]);
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uint8_t v1;
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uint8_t v2;
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uint8_t v3;
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#endif
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} __attribute__ ((packed)) uint24_t;
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typedef struct {
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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uint8_t v3;
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uint8_t v2;
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int8_t v1;
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#else
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int8_t v1;
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uint8_t v2;
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uint8_t v3;
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#endif
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} __attribute__ ((packed)) int24_t;
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static inline uint32_t u24_to_u32(uint24_t src)
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{
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return ((uint32_t)src.v1 << 16) | ((uint32_t)src.v2 << 8) | (uint32_t)src.v3;
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}
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static inline int32_t read_s24(const void *src)
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#define U32_TO_U24(s) (uint24_t) { .v1 = (uint8_t)(((uint32_t)s) >> 16), \
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.v2 = (uint8_t)(((uint32_t)s) >> 8), .v3 = (uint8_t)((uint32_t)s) }
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static inline uint24_t u32_to_u24(uint32_t src)
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{
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const int8_t *s = src;
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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return (((int32_t)s[2] << 16) | ((uint32_t)(uint8_t)s[1] << 8) | (uint32_t)(uint8_t)s[0]);
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#else
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return (((int32_t)s[0] << 16) | ((uint32_t)(uint8_t)s[1] << 8) | (uint32_t)(uint8_t)s[2]);
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#endif
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return U32_TO_U24(src);
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}
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static inline void write_u24(void *dst, uint32_t val)
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static inline int32_t s24_to_s32(int24_t src)
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{
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uint8_t *d = dst;
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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d[0] = (uint8_t) (val);
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d[1] = (uint8_t) (val >> 8);
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d[2] = (uint8_t) (val >> 16);
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#else
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d[0] = (uint8_t) (val >> 16);
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d[1] = (uint8_t) (val >> 8);
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d[2] = (uint8_t) (val);
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#endif
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return ((int32_t)src.v1 << 16) | ((uint32_t)src.v2 << 8) | (uint32_t)src.v3;
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}
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static inline void write_s24(void *dst, int32_t val)
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#define S32_TO_S24(s) (int24_t) { .v1 = (int8_t)(((int32_t)s) >> 16), \
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.v2 = (uint8_t)(((uint32_t)s) >> 8), .v3 = (uint8_t)((uint32_t)s) }
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static inline int24_t s32_to_s24(int32_t src)
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{
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uint8_t *d = dst;
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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d[0] = (uint8_t) (val);
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d[1] = (uint8_t) (val >> 8);
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d[2] = (uint8_t) (val >> 16);
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#else
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d[0] = (uint8_t) (val >> 16);
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d[1] = (uint8_t) (val >> 8);
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d[2] = (uint8_t) (val);
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#endif
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return S32_TO_S24(src);
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}
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#define S8_MIN -127
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#define S8_MIN -128
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#define S8_MAX 127
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#define S8_MIX(a, b) (int8_t)(SPA_CLAMP((int16_t)(a) + (int16_t)(b), S8_MIN, S8_MAX))
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#define U8_MIX(a, b) (uint8_t)((int16_t)S8_MIX((int16_t)(a) - S8_MAX, (int16_t)(b) - S8_MAX) + S8_MAX)
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#define S8_MIX(a,b) (int8_t)(SPA_CLAMP((int16_t)(a) + (int16_t)(b), S8_MIN, S8_MAX))
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#define U8_OFFS 128
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#define U8_MIX(a,b) (uint8_t)((int16_t)S8_MIX((int16_t)(a) - U8_OFFS, (int16_t)(b) - U8_OFFS) + U8_OFFS)
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#define S16_MIN -32767
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#define S16_MIN -32768
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#define S16_MAX 32767
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#define S16_MIX(a, b) (int16_t)(SPA_CLAMP((int32_t)(a) + (int32_t)(b), S16_MIN, S16_MAX))
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#define U16_MIX(a, b) (uint16_t)((int32_t)S16_MIX((int32_t)(a) - S16_MAX, (int32_t)(b) - S16_MAX) + S16_MAX)
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#define S16_MIX(a,b) (int16_t)(SPA_CLAMP((int32_t)(a) + (int32_t)(b), S16_MIN, S16_MAX))
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#define U16_OFFS 32768
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#define U16_MIX(a,b) (uint16_t)((int32_t)S16_MIX((int32_t)(a) - U16_OFFS, (int32_t)(b) - U16_OFFS) + U16_OFFS)
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#define S24_MIN -8388607
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#define S24_MIN -8388608
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#define S24_MAX 8388607
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#define S24_MIX(a, b) (int32_t)(SPA_CLAMP((int32_t)(a) + (int32_t)(b), S24_MIN, S24_MAX))
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#define U24_MIX(a, b) (uint32_t)((int32_t)S24_MIX((int32_t)(a) - S24_MAX, (int32_t)(b) - S24_MAX) + S24_MAX)
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#define S24_MIX_32(a,b) (int32_t)(SPA_CLAMP((int32_t)(a) + (int32_t)(b), S24_MIN, S24_MAX))
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#define S24_MIX(a,b) s32_to_s24(S24_MIX_32(s24_to_s32(a), s24_to_s32(b)))
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#define U24_OFFS 8388608
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#define U24_MIX(a,b) u32_to_u24(S24_MIX_32((int32_t)u24_to_u32(a) - U24_OFFS, (int32_t)u24_to_u32(b) - U24_OFFS) + U24_OFFS)
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#define S32_MIN -2147483647
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#define S32_MIN -2147483648
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#define S32_MAX 2147483647
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#define S32_MIX(a, b) (int32_t)(SPA_CLAMP((int64_t)(a) + (int64_t)(b), S32_MIN, S32_MAX))
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#define U32_MIX(a, b) (uint32_t)((int64_t)S32_MIX((int64_t)(a) - S32_MAX, (int64_t)(b) - S32_MAX) + S32_MAX)
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#define S32_MIX(a,b) (int32_t)(SPA_CLAMP((int64_t)(a) + (int64_t)(b), S32_MIN, S32_MAX))
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#define U32_OFFS 2147483648
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#define U32_MIX(a,b) (uint32_t)((int64_t)S32_MIX((int64_t)(a) - U32_OFFS, (int64_t)(b) - U32_OFFS) + U32_OFFS)
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#define S24_32_MIX(a, b) S24_MIX (a, b)
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#define U24_32_MIX(a, b) U24_MIX (a, b)
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#define S24_32_MIX(a,b) (int32_t)(SPA_CLAMP((int32_t)(a) + (int32_t)(b), S24_MIN, S24_MAX))
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#define U24_32_MIX(a,b) (uint32_t)((int32_t)S24_32_MIX((int32_t)(a) - U24_OFFS, (int32_t)(b) - U24_OFFS) + U24_OFFS)
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#define F32_MIX(a, b) (float)((float)(a) + (float)(b))
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#define F64_MIX(a, b) (double)((double)(a) + (double)(b))
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||||
struct mix_ops {
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|
|
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Loading…
Add table
Add a link
Reference in a new issue