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Diffstat (limited to 'alsa-lib/src/pcm/mask_inline.h')
-rw-r--r--alsa-lib/src/pcm/mask_inline.h299
1 files changed, 0 insertions, 299 deletions
diff --git a/alsa-lib/src/pcm/mask_inline.h b/alsa-lib/src/pcm/mask_inline.h
deleted file mode 100644
index f656568..0000000
--- a/alsa-lib/src/pcm/mask_inline.h
+++ /dev/null
@@ -1,299 +0,0 @@
-/*
- * Mask inlines
- * Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
- *
- *
- * This library is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as
- * published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include <sys/types.h>
-
-#define MASK_INLINE static inline
-
-#define MASK_MAX SND_MASK_MAX
-#define MASK_SIZE (MASK_MAX / 32)
-
-#define MASK_OFS(i) ((i) >> 5)
-#define MASK_BIT(i) (1U << ((i) & 31))
-
-MASK_INLINE unsigned int ld2(u_int32_t v)
-{
- unsigned r = 0;
-
- if (v >= 0x10000) {
- v >>= 16;
- r += 16;
- }
- if (v >= 0x100) {
- v >>= 8;
- r += 8;
- }
- if (v >= 0x10) {
- v >>= 4;
- r += 4;
- }
- if (v >= 4) {
- v >>= 2;
- r += 2;
- }
- if (v >= 2)
- r++;
- return r;
-}
-
-MASK_INLINE unsigned int hweight32(u_int32_t v)
-{
- v = (v & 0x55555555) + ((v >> 1) & 0x55555555);
- v = (v & 0x33333333) + ((v >> 2) & 0x33333333);
- v = (v & 0x0F0F0F0F) + ((v >> 4) & 0x0F0F0F0F);
- v = (v & 0x00FF00FF) + ((v >> 8) & 0x00FF00FF);
- return (v & 0x0000FFFF) + ((v >> 16) & 0x0000FFFF);
-}
-
-MASK_INLINE size_t snd_mask_sizeof(void)
-{
- return sizeof(snd_mask_t);
-}
-
-MASK_INLINE void snd_mask_none(snd_mask_t *mask)
-{
- memset(mask, 0, sizeof(*mask));
-}
-
-MASK_INLINE void snd_mask_any(snd_mask_t *mask)
-{
- memset(mask, 0xff, MASK_SIZE * sizeof(u_int32_t));
-}
-
-MASK_INLINE int snd_mask_empty(const snd_mask_t *mask)
-{
- int i;
- for (i = 0; i < MASK_SIZE; i++)
- if (mask->bits[i])
- return 0;
- return 1;
-}
-
-MASK_INLINE int snd_mask_full(const snd_mask_t *mask)
-{
- int i;
- for (i = 0; i < MASK_SIZE; i++)
- if (mask->bits[i] != 0xffffffff)
- return 0;
- return 1;
-}
-
-MASK_INLINE unsigned int snd_mask_count(const snd_mask_t *mask)
-{
- int i, w = 0;
- for (i = 0; i < MASK_SIZE; i++)
- w += hweight32(mask->bits[i]);
- return w;
-}
-
-MASK_INLINE unsigned int snd_mask_min(const snd_mask_t *mask)
-{
- int i;
- assert(!snd_mask_empty(mask));
- for (i = 0; i < MASK_SIZE; i++) {
- if (mask->bits[i])
- return ffs(mask->bits[i]) - 1 + (i << 5);
- }
- return 0;
-}
-
-MASK_INLINE unsigned int snd_mask_max(const snd_mask_t *mask)
-{
- int i;
- assert(!snd_mask_empty(mask));
- for (i = MASK_SIZE - 1; i >= 0; i--) {
- if (mask->bits[i])
- return ld2(mask->bits[i]) + (i << 5);
- }
- return 0;
-}
-
-MASK_INLINE void snd_mask_set(snd_mask_t *mask, unsigned int val)
-{
- assert(val <= SND_MASK_MAX);
- mask->bits[MASK_OFS(val)] |= MASK_BIT(val);
-}
-
-MASK_INLINE void snd_mask_reset(snd_mask_t *mask, unsigned int val)
-{
- assert(val <= SND_MASK_MAX);
- mask->bits[MASK_OFS(val)] &= ~MASK_BIT(val);
-}
-
-MASK_INLINE void snd_mask_set_range(snd_mask_t *mask, unsigned int from, unsigned int to)
-{
- unsigned int i;
- assert(to <= SND_MASK_MAX && from <= to);
- for (i = from; i <= to; i++)
- mask->bits[MASK_OFS(i)] |= MASK_BIT(i);
-}
-
-MASK_INLINE void snd_mask_reset_range(snd_mask_t *mask, unsigned int from, unsigned int to)
-{
- unsigned int i;
- assert(to <= SND_MASK_MAX && from <= to);
- for (i = from; i <= to; i++)
- mask->bits[MASK_OFS(i)] &= ~MASK_BIT(i);
-}
-
-MASK_INLINE void snd_mask_leave(snd_mask_t *mask, unsigned int val)
-{
- unsigned int v;
- assert(val <= SND_MASK_MAX);
- v = mask->bits[MASK_OFS(val)] & MASK_BIT(val);
- snd_mask_none(mask);
- mask->bits[MASK_OFS(val)] = v;
-}
-
-MASK_INLINE void snd_mask_intersect(snd_mask_t *mask, const snd_mask_t *v)
-{
- int i;
- for (i = 0; i < MASK_SIZE; i++)
- mask->bits[i] &= v->bits[i];
-}
-
-MASK_INLINE void snd_mask_union(snd_mask_t *mask, const snd_mask_t *v)
-{
- int i;
- for (i = 0; i < MASK_SIZE; i++)
- mask->bits[i] |= v->bits[i];
-}
-
-MASK_INLINE int snd_mask_eq(const snd_mask_t *mask, const snd_mask_t *v)
-{
- return ! memcmp(mask, v, MASK_SIZE * 4);
-}
-
-MASK_INLINE void snd_mask_copy(snd_mask_t *mask, const snd_mask_t *v)
-{
- *mask = *v;
-}
-
-MASK_INLINE int snd_mask_test(const snd_mask_t *mask, unsigned int val)
-{
- assert(val <= SND_MASK_MAX);
- return mask->bits[MASK_OFS(val)] & MASK_BIT(val);
-}
-
-MASK_INLINE int snd_mask_single(const snd_mask_t *mask)
-{
- int i, c = 0;
- assert(!snd_mask_empty(mask));
- for (i = 0; i < MASK_SIZE; i++) {
- if (! mask->bits[i])
- continue;
- if (mask->bits[i] & (mask->bits[i] - 1))
- return 0;
- if (c)
- return 0;
- c++;
- }
- return 1;
-}
-
-MASK_INLINE int snd_mask_refine(snd_mask_t *mask, const snd_mask_t *v)
-{
- snd_mask_t old;
- if (snd_mask_empty(mask))
- return -ENOENT;
- snd_mask_copy(&old, mask);
- snd_mask_intersect(mask, v);
- if (snd_mask_empty(mask))
- return -EINVAL;
- return !snd_mask_eq(mask, &old);
-}
-
-MASK_INLINE int snd_mask_refine_first(snd_mask_t *mask)
-{
- if (snd_mask_empty(mask))
- return -ENOENT;
- if (snd_mask_single(mask))
- return 0;
- snd_mask_leave(mask, snd_mask_min(mask));
- return 1;
-}
-
-MASK_INLINE int snd_mask_refine_last(snd_mask_t *mask)
-{
- if (snd_mask_empty(mask))
- return -ENOENT;
- if (snd_mask_single(mask))
- return 0;
- snd_mask_leave(mask, snd_mask_max(mask));
- return 1;
-}
-
-MASK_INLINE int snd_mask_refine_min(snd_mask_t *mask, unsigned int val)
-{
- if (snd_mask_empty(mask))
- return -ENOENT;
- if (snd_mask_min(mask) >= val)
- return 0;
- snd_mask_reset_range(mask, 0, val - 1);
- if (snd_mask_empty(mask))
- return -EINVAL;
- return 1;
-}
-
-MASK_INLINE int snd_mask_refine_max(snd_mask_t *mask, unsigned int val)
-{
- if (snd_mask_empty(mask))
- return -ENOENT;
- if (snd_mask_max(mask) <= val)
- return 0;
- snd_mask_reset_range(mask, val + 1, SND_MASK_MAX);
- if (snd_mask_empty(mask))
- return -EINVAL;
- return 1;
-}
-
-MASK_INLINE int snd_mask_refine_set(snd_mask_t *mask, unsigned int val)
-{
- int changed;
- if (snd_mask_empty(mask))
- return -ENOENT;
- changed = !snd_mask_single(mask);
- snd_mask_leave(mask, val);
- if (snd_mask_empty(mask))
- return -EINVAL;
- return changed;
-}
-
-MASK_INLINE int snd_mask_value(const snd_mask_t *mask)
-{
- assert(!snd_mask_empty(mask));
- return snd_mask_min(mask);
-}
-
-MASK_INLINE int snd_mask_always_eq(const snd_mask_t *m1, const snd_mask_t *m2)
-{
- return snd_mask_single(m1) && snd_mask_single(m2) &&
- snd_mask_value(m1) == snd_mask_value(m2);
-}
-
-MASK_INLINE int snd_mask_never_eq(const snd_mask_t *m1, const snd_mask_t *m2)
-{
- int i;
- for (i = 0; i < MASK_SIZE; i++)
- if (m1->bits[i] & m2->bits[i])
- return 0;
- return 1;
-}