diff options
Diffstat (limited to 'ANDROID_3.4.5/include/sound/pcm_params.h')
-rw-r--r-- | ANDROID_3.4.5/include/sound/pcm_params.h | 355 |
1 files changed, 0 insertions, 355 deletions
diff --git a/ANDROID_3.4.5/include/sound/pcm_params.h b/ANDROID_3.4.5/include/sound/pcm_params.h deleted file mode 100644 index f494f1e3..00000000 --- a/ANDROID_3.4.5/include/sound/pcm_params.h +++ /dev/null @@ -1,355 +0,0 @@ -#ifndef __SOUND_PCM_PARAMS_H -#define __SOUND_PCM_PARAMS_H - -/* - * PCM params helpers - * Copyright (c) by Abramo Bagnara <abramo@alsa-project.org> - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -int snd_pcm_hw_param_first(struct snd_pcm_substream *pcm, - struct snd_pcm_hw_params *params, - snd_pcm_hw_param_t var, int *dir); -int snd_pcm_hw_param_last(struct snd_pcm_substream *pcm, - struct snd_pcm_hw_params *params, - snd_pcm_hw_param_t var, int *dir); -int snd_pcm_hw_param_value(const struct snd_pcm_hw_params *params, - snd_pcm_hw_param_t var, int *dir); - -#define SNDRV_MASK_BITS 64 /* we use so far 64bits only */ -#define SNDRV_MASK_SIZE (SNDRV_MASK_BITS / 32) -#define MASK_OFS(i) ((i) >> 5) -#define MASK_BIT(i) (1U << ((i) & 31)) - -static 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; -} - -static inline size_t snd_mask_sizeof(void) -{ - return sizeof(struct snd_mask); -} - -static inline void snd_mask_none(struct snd_mask *mask) -{ - memset(mask, 0, sizeof(*mask)); -} - -static inline void snd_mask_any(struct snd_mask *mask) -{ - memset(mask, 0xff, SNDRV_MASK_SIZE * sizeof(u_int32_t)); -} - -static inline int snd_mask_empty(const struct snd_mask *mask) -{ - int i; - for (i = 0; i < SNDRV_MASK_SIZE; i++) - if (mask->bits[i]) - return 0; - return 1; -} - -static inline unsigned int snd_mask_min(const struct snd_mask *mask) -{ - int i; - for (i = 0; i < SNDRV_MASK_SIZE; i++) { - if (mask->bits[i]) - return ffs(mask->bits[i]) - 1 + (i << 5); - } - return 0; -} - -static inline unsigned int snd_mask_max(const struct snd_mask *mask) -{ - int i; - for (i = SNDRV_MASK_SIZE - 1; i >= 0; i--) { - if (mask->bits[i]) - return ld2(mask->bits[i]) + (i << 5); - } - return 0; -} - -static inline void snd_mask_set(struct snd_mask *mask, unsigned int val) -{ - mask->bits[MASK_OFS(val)] |= MASK_BIT(val); -} - -static inline void snd_mask_reset(struct snd_mask *mask, unsigned int val) -{ - mask->bits[MASK_OFS(val)] &= ~MASK_BIT(val); -} - -static inline void snd_mask_set_range(struct snd_mask *mask, - unsigned int from, unsigned int to) -{ - unsigned int i; - for (i = from; i <= to; i++) - mask->bits[MASK_OFS(i)] |= MASK_BIT(i); -} - -static inline void snd_mask_reset_range(struct snd_mask *mask, - unsigned int from, unsigned int to) -{ - unsigned int i; - for (i = from; i <= to; i++) - mask->bits[MASK_OFS(i)] &= ~MASK_BIT(i); -} - -static inline void snd_mask_leave(struct snd_mask *mask, unsigned int val) -{ - unsigned int v; - v = mask->bits[MASK_OFS(val)] & MASK_BIT(val); - snd_mask_none(mask); - mask->bits[MASK_OFS(val)] = v; -} - -static inline void snd_mask_intersect(struct snd_mask *mask, - const struct snd_mask *v) -{ - int i; - for (i = 0; i < SNDRV_MASK_SIZE; i++) - mask->bits[i] &= v->bits[i]; -} - -static inline int snd_mask_eq(const struct snd_mask *mask, - const struct snd_mask *v) -{ - return ! memcmp(mask, v, SNDRV_MASK_SIZE * sizeof(u_int32_t)); -} - -static inline void snd_mask_copy(struct snd_mask *mask, - const struct snd_mask *v) -{ - *mask = *v; -} - -static inline int snd_mask_test(const struct snd_mask *mask, unsigned int val) -{ - return mask->bits[MASK_OFS(val)] & MASK_BIT(val); -} - -static inline int snd_mask_single(const struct snd_mask *mask) -{ - int i, c = 0; - for (i = 0; i < SNDRV_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; -} - -static inline int snd_mask_refine(struct snd_mask *mask, - const struct snd_mask *v) -{ - struct snd_mask old; - snd_mask_copy(&old, mask); - snd_mask_intersect(mask, v); - if (snd_mask_empty(mask)) - return -EINVAL; - return !snd_mask_eq(mask, &old); -} - -static inline int snd_mask_refine_first(struct snd_mask *mask) -{ - if (snd_mask_single(mask)) - return 0; - snd_mask_leave(mask, snd_mask_min(mask)); - return 1; -} - -static inline int snd_mask_refine_last(struct snd_mask *mask) -{ - if (snd_mask_single(mask)) - return 0; - snd_mask_leave(mask, snd_mask_max(mask)); - return 1; -} - -static inline int snd_mask_refine_min(struct snd_mask *mask, unsigned int val) -{ - 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; -} - -static inline int snd_mask_refine_max(struct snd_mask *mask, unsigned int val) -{ - if (snd_mask_max(mask) <= val) - return 0; - snd_mask_reset_range(mask, val + 1, SNDRV_MASK_BITS); - if (snd_mask_empty(mask)) - return -EINVAL; - return 1; -} - -static inline int snd_mask_refine_set(struct snd_mask *mask, unsigned int val) -{ - int changed; - changed = !snd_mask_single(mask); - snd_mask_leave(mask, val); - if (snd_mask_empty(mask)) - return -EINVAL; - return changed; -} - -static inline int snd_mask_value(const struct snd_mask *mask) -{ - return snd_mask_min(mask); -} - -static inline void snd_interval_any(struct snd_interval *i) -{ - i->min = 0; - i->openmin = 0; - i->max = UINT_MAX; - i->openmax = 0; - i->integer = 0; - i->empty = 0; -} - -static inline void snd_interval_none(struct snd_interval *i) -{ - i->empty = 1; -} - -static inline int snd_interval_checkempty(const struct snd_interval *i) -{ - return (i->min > i->max || - (i->min == i->max && (i->openmin || i->openmax))); -} - -static inline int snd_interval_empty(const struct snd_interval *i) -{ - return i->empty; -} - -static inline int snd_interval_single(const struct snd_interval *i) -{ - return (i->min == i->max || - (i->min + 1 == i->max && i->openmax)); -} - -static inline int snd_interval_value(const struct snd_interval *i) -{ - return i->min; -} - -static inline int snd_interval_min(const struct snd_interval *i) -{ - return i->min; -} - -static inline int snd_interval_max(const struct snd_interval *i) -{ - unsigned int v; - v = i->max; - if (i->openmax) - v--; - return v; -} - -static inline int snd_interval_test(const struct snd_interval *i, unsigned int val) -{ - return !((i->min > val || (i->min == val && i->openmin) || - i->max < val || (i->max == val && i->openmax))); -} - -static inline void snd_interval_copy(struct snd_interval *d, const struct snd_interval *s) -{ - *d = *s; -} - -static inline int snd_interval_setinteger(struct snd_interval *i) -{ - if (i->integer) - return 0; - if (i->openmin && i->openmax && i->min == i->max) - return -EINVAL; - i->integer = 1; - return 1; -} - -static inline int snd_interval_eq(const struct snd_interval *i1, const struct snd_interval *i2) -{ - if (i1->empty) - return i2->empty; - if (i2->empty) - return i1->empty; - return i1->min == i2->min && i1->openmin == i2->openmin && - i1->max == i2->max && i1->openmax == i2->openmax; -} - -static inline unsigned int add(unsigned int a, unsigned int b) -{ - if (a >= UINT_MAX - b) - return UINT_MAX; - return a + b; -} - -static inline unsigned int sub(unsigned int a, unsigned int b) -{ - if (a > b) - return a - b; - return 0; -} - -#define params_access(p) ((__force snd_pcm_access_t)\ - snd_mask_min(hw_param_mask_c((p), SNDRV_PCM_HW_PARAM_ACCESS))) -#define params_format(p) ((__force snd_pcm_format_t)\ - snd_mask_min(hw_param_mask_c((p), SNDRV_PCM_HW_PARAM_FORMAT))) -#define params_subformat(p) \ - snd_mask_min(hw_param_mask_c((p), SNDRV_PCM_HW_PARAM_SUBFORMAT)) - -static inline unsigned int -params_period_bytes(const struct snd_pcm_hw_params *p) -{ - return (params_period_size(p) * - snd_pcm_format_physical_width(params_format(p)) * - params_channels(p)) / 8; -} - -#endif /* __SOUND_PCM_PARAMS_H */ |