diff options
Diffstat (limited to 'include/sound/pcm_params.h')
| -rw-r--r-- | include/sound/pcm_params.h | 125 |
1 files changed, 50 insertions, 75 deletions
diff --git a/include/sound/pcm_params.h b/include/sound/pcm_params.h index fb18aef7734..85cf1cf4f31 100644 --- a/include/sound/pcm_params.h +++ b/include/sound/pcm_params.h @@ -22,29 +22,21 @@ * */ -extern int snd_pcm_hw_param_mask(struct snd_pcm_substream *pcm, struct snd_pcm_hw_params *params, - snd_pcm_hw_param_t var, const struct snd_mask *val); -extern unsigned int snd_pcm_hw_param_value_min(const struct snd_pcm_hw_params *params, - snd_pcm_hw_param_t var, int *dir); -extern unsigned int snd_pcm_hw_param_value_max(const struct snd_pcm_hw_params *params, - snd_pcm_hw_param_t var, int *dir); -extern int _snd_pcm_hw_param_min(struct snd_pcm_hw_params *params, - snd_pcm_hw_param_t var, unsigned int val, int dir); -extern int _snd_pcm_hw_param_setinteger(struct snd_pcm_hw_params *params, - snd_pcm_hw_param_t var); -extern int _snd_pcm_hw_param_set(struct snd_pcm_hw_params *params, - snd_pcm_hw_param_t var, unsigned int val, int dir); - -/* To share the same code we have alsa-lib */ -#define INLINE static inline -#define assert(a) (void)(a) +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)) -INLINE unsigned int ld2(u_int32_t v) +static inline unsigned int ld2(u_int32_t v) { unsigned r = 0; @@ -69,22 +61,22 @@ INLINE unsigned int ld2(u_int32_t v) return r; } -INLINE size_t snd_mask_sizeof(void) +static inline size_t snd_mask_sizeof(void) { return sizeof(struct snd_mask); } -INLINE void snd_mask_none(struct snd_mask *mask) +static inline void snd_mask_none(struct snd_mask *mask) { memset(mask, 0, sizeof(*mask)); } -INLINE void snd_mask_any(struct snd_mask *mask) +static inline void snd_mask_any(struct snd_mask *mask) { memset(mask, 0xff, SNDRV_MASK_SIZE * sizeof(u_int32_t)); } -INLINE int snd_mask_empty(const struct snd_mask *mask) +static inline int snd_mask_empty(const struct snd_mask *mask) { int i; for (i = 0; i < SNDRV_MASK_SIZE; i++) @@ -93,10 +85,9 @@ INLINE int snd_mask_empty(const struct snd_mask *mask) return 1; } -INLINE unsigned int snd_mask_min(const struct snd_mask *mask) +static inline unsigned int snd_mask_min(const struct snd_mask *mask) { int i; - assert(!snd_mask_empty(mask)); for (i = 0; i < SNDRV_MASK_SIZE; i++) { if (mask->bits[i]) return ffs(mask->bits[i]) - 1 + (i << 5); @@ -104,10 +95,9 @@ INLINE unsigned int snd_mask_min(const struct snd_mask *mask) return 0; } -INLINE unsigned int snd_mask_max(const struct snd_mask *mask) +static inline unsigned int snd_mask_max(const struct snd_mask *mask) { int i; - assert(!snd_mask_empty(mask)); for (i = SNDRV_MASK_SIZE - 1; i >= 0; i--) { if (mask->bits[i]) return ld2(mask->bits[i]) + (i << 5); @@ -115,70 +105,68 @@ INLINE unsigned int snd_mask_max(const struct snd_mask *mask) return 0; } -INLINE void snd_mask_set(struct snd_mask *mask, unsigned int val) +static inline void snd_mask_set(struct snd_mask *mask, unsigned int val) { - assert(val <= SNDRV_MASK_BITS); mask->bits[MASK_OFS(val)] |= MASK_BIT(val); } -INLINE void snd_mask_reset(struct snd_mask *mask, unsigned int val) +static inline void snd_mask_reset(struct snd_mask *mask, unsigned int val) { - assert(val <= SNDRV_MASK_BITS); mask->bits[MASK_OFS(val)] &= ~MASK_BIT(val); } -INLINE void snd_mask_set_range(struct snd_mask *mask, unsigned int from, unsigned int to) +static inline void snd_mask_set_range(struct snd_mask *mask, + unsigned int from, unsigned int to) { unsigned int i; - assert(to <= SNDRV_MASK_BITS && from <= to); for (i = from; i <= to; i++) mask->bits[MASK_OFS(i)] |= MASK_BIT(i); } -INLINE void snd_mask_reset_range(struct snd_mask *mask, unsigned int from, unsigned int to) +static inline void snd_mask_reset_range(struct snd_mask *mask, + unsigned int from, unsigned int to) { unsigned int i; - assert(to <= SNDRV_MASK_BITS && from <= to); for (i = from; i <= to; i++) mask->bits[MASK_OFS(i)] &= ~MASK_BIT(i); } -INLINE void snd_mask_leave(struct snd_mask *mask, unsigned int val) +static inline void snd_mask_leave(struct snd_mask *mask, unsigned int val) { unsigned int v; - assert(val <= SNDRV_MASK_BITS); v = mask->bits[MASK_OFS(val)] & MASK_BIT(val); snd_mask_none(mask); mask->bits[MASK_OFS(val)] = v; } -INLINE void snd_mask_intersect(struct snd_mask *mask, const struct snd_mask *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]; } -INLINE int snd_mask_eq(const struct snd_mask *mask, const struct snd_mask *v) +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)); } -INLINE void snd_mask_copy(struct snd_mask *mask, const struct snd_mask *v) +static inline void snd_mask_copy(struct snd_mask *mask, + const struct snd_mask *v) { *mask = *v; } -INLINE int snd_mask_test(const struct snd_mask *mask, unsigned int val) +static inline int snd_mask_test(const struct snd_mask *mask, unsigned int val) { - assert(val <= SNDRV_MASK_BITS); return mask->bits[MASK_OFS(val)] & MASK_BIT(val); } -INLINE int snd_mask_single(const struct snd_mask *mask) +static inline int snd_mask_single(const struct snd_mask *mask) { int i, c = 0; - assert(!snd_mask_empty(mask)); for (i = 0; i < SNDRV_MASK_SIZE; i++) { if (! mask->bits[i]) continue; @@ -191,10 +179,10 @@ INLINE int snd_mask_single(const struct snd_mask *mask) return 1; } -INLINE int snd_mask_refine(struct snd_mask *mask, const struct snd_mask *v) +static inline int snd_mask_refine(struct snd_mask *mask, + const struct snd_mask *v) { struct snd_mask old; - assert(!snd_mask_empty(mask)); snd_mask_copy(&old, mask); snd_mask_intersect(mask, v); if (snd_mask_empty(mask)) @@ -202,27 +190,24 @@ INLINE int snd_mask_refine(struct snd_mask *mask, const struct snd_mask *v) return !snd_mask_eq(mask, &old); } -INLINE int snd_mask_refine_first(struct snd_mask *mask) +static inline int snd_mask_refine_first(struct snd_mask *mask) { - assert(!snd_mask_empty(mask)); if (snd_mask_single(mask)) return 0; snd_mask_leave(mask, snd_mask_min(mask)); return 1; } -INLINE int snd_mask_refine_last(struct snd_mask *mask) +static inline int snd_mask_refine_last(struct snd_mask *mask) { - assert(!snd_mask_empty(mask)); if (snd_mask_single(mask)) return 0; snd_mask_leave(mask, snd_mask_max(mask)); return 1; } -INLINE int snd_mask_refine_min(struct snd_mask *mask, unsigned int val) +static inline int snd_mask_refine_min(struct snd_mask *mask, unsigned int val) { - assert(!snd_mask_empty(mask)); if (snd_mask_min(mask) >= val) return 0; snd_mask_reset_range(mask, 0, val - 1); @@ -231,9 +216,8 @@ INLINE int snd_mask_refine_min(struct snd_mask *mask, unsigned int val) return 1; } -INLINE int snd_mask_refine_max(struct snd_mask *mask, unsigned int val) +static inline int snd_mask_refine_max(struct snd_mask *mask, unsigned int val) { - assert(!snd_mask_empty(mask)); if (snd_mask_max(mask) <= val) return 0; snd_mask_reset_range(mask, val + 1, SNDRV_MASK_BITS); @@ -242,10 +226,9 @@ INLINE int snd_mask_refine_max(struct snd_mask *mask, unsigned int val) return 1; } -INLINE int snd_mask_refine_set(struct snd_mask *mask, unsigned int val) +static inline int snd_mask_refine_set(struct snd_mask *mask, unsigned int val) { int changed; - assert(!snd_mask_empty(mask)); changed = !snd_mask_single(mask); snd_mask_leave(mask, val); if (snd_mask_empty(mask)) @@ -253,13 +236,12 @@ INLINE int snd_mask_refine_set(struct snd_mask *mask, unsigned int val) return changed; } -INLINE int snd_mask_value(const struct snd_mask *mask) +static inline int snd_mask_value(const struct snd_mask *mask) { - assert(!snd_mask_empty(mask)); return snd_mask_min(mask); } -INLINE void snd_interval_any(struct snd_interval *i) +static inline void snd_interval_any(struct snd_interval *i) { i->min = 0; i->openmin = 0; @@ -269,63 +251,59 @@ INLINE void snd_interval_any(struct snd_interval *i) i->empty = 0; } -INLINE void snd_interval_none(struct snd_interval *i) +static inline void snd_interval_none(struct snd_interval *i) { i->empty = 1; } -INLINE int snd_interval_checkempty(const struct snd_interval *i) +static inline int snd_interval_checkempty(const struct snd_interval *i) { return (i->min > i->max || (i->min == i->max && (i->openmin || i->openmax))); } -INLINE int snd_interval_empty(const struct snd_interval *i) +static inline int snd_interval_empty(const struct snd_interval *i) { return i->empty; } -INLINE int snd_interval_single(const struct snd_interval *i) +static inline int snd_interval_single(const struct snd_interval *i) { - assert(!snd_interval_empty(i)); return (i->min == i->max || (i->min + 1 == i->max && i->openmax)); } -INLINE int snd_interval_value(const struct snd_interval *i) +static inline int snd_interval_value(const struct snd_interval *i) { - assert(snd_interval_single(i)); return i->min; } -INLINE int snd_interval_min(const struct snd_interval *i) +static inline int snd_interval_min(const struct snd_interval *i) { - assert(!snd_interval_empty(i)); return i->min; } -INLINE int snd_interval_max(const struct snd_interval *i) +static inline int snd_interval_max(const struct snd_interval *i) { unsigned int v; - assert(!snd_interval_empty(i)); v = i->max; if (i->openmax) v--; return v; } -INLINE int snd_interval_test(const struct snd_interval *i, unsigned int val) +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))); } -INLINE void snd_interval_copy(struct snd_interval *d, const struct snd_interval *s) +static inline void snd_interval_copy(struct snd_interval *d, const struct snd_interval *s) { *d = *s; } -INLINE int snd_interval_setinteger(struct snd_interval *i) +static inline int snd_interval_setinteger(struct snd_interval *i) { if (i->integer) return 0; @@ -335,7 +313,7 @@ INLINE int snd_interval_setinteger(struct snd_interval *i) return 1; } -INLINE int snd_interval_eq(const struct snd_interval *i1, const struct snd_interval *i2) +static inline int snd_interval_eq(const struct snd_interval *i1, const struct snd_interval *i2) { if (i1->empty) return i2->empty; @@ -359,8 +337,5 @@ static inline unsigned int sub(unsigned int a, unsigned int b) return 0; } -#undef INLINE -#undef assert - #endif /* __SOUND_PCM_PARAMS_H */ |