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https://github.com/alsa-project/alsa-lib.git
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Add norm code back for mix plugin
This commit is contained in:
Jaroslav Kysela
parent
07c07da44f
commit
35b9951cec
1 changed files with 263 additions and 0 deletions
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@ -574,6 +574,269 @@ put_1234_4321: as_s32(dst) = bswap_32(sample); goto PUT_END;
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put_1234_4329: as_u32(dst) = bswap_32(sample) ^ 0x80; goto PUT_END;
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#endif
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#ifdef NORMS_LABELS
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static inline void _norms(const void *src, void *dst,
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int src_wid,
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int dst_sign, int dst_wid, int dst_end)
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{
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int32_t s;
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switch (src_wid) {
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case 8:
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s = *(int8_t*)src;
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if (s >= 0x7f)
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goto _min;
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else if (s <= -0x80)
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goto _max;
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break;
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case 16:
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s = *(int16_t*)src;
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if (s >= 0x7fff)
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goto _min;
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else if (s <= -0x8000)
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goto _max;
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break;
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case 24:
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s = *(int32_t*)src;
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if (s >= 0x7fffff)
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goto _min;
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else if (s <= -0x800000)
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goto _max;
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break;
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case 32:
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{
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int64_t s64;
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s64 = *(int64_t*)src;
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if (s64 >= 0x7fffffff)
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goto _min;
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else if (s64 <= -0x80000000)
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goto _max;
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s = s64;
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break;
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}
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default:
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assert(0);
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return;
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}
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if (src_wid < dst_wid) {
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unsigned int bits = dst_wid - src_wid;
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s *= 1 << bits;
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} else if (src_wid > dst_wid) {
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unsigned int bits = src_wid - dst_wid;
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s = (s + (1 << (bits - 1)))/ (1 << bits);
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}
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if (!dst_sign)
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s += (1U << (dst_wid - 1));
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switch (dst_wid) {
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case 8:
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*(u_int8_t*)dst = s;
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break;
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case 16:
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if (dst_end)
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s = bswap_16(s);
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*(u_int16_t*)dst = s;
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break;
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case 24:
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case 32:
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if (dst_end)
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s = bswap_32(s);
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*(u_int32_t*)dst = s;
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break;
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}
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return;
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_min:
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switch (dst_wid) {
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case 8:
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if (dst_sign)
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*(u_int8_t*)dst = 0x80;
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else
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*(u_int8_t*)dst = 0;
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break;
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case 16:
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if (dst_sign)
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*(u_int16_t*)dst = dst_end ? 0x0080 : 0x8000;
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else
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*(u_int16_t*)dst = 0;
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break;
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case 24:
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if (dst_sign)
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*(u_int32_t*)dst = dst_end ? 0x00008000 : 0x00800000;
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else
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*(u_int32_t*)dst = 0;
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break;
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case 32:
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if (dst_sign)
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*(u_int32_t*)dst = dst_end ? 0x00000080 : 0x80000000;
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else
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*(u_int32_t*)dst = 0;
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break;
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default:
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assert(0);
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break;
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}
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return;
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_max:
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switch (dst_wid) {
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case 8:
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if (dst_sign)
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*(u_int8_t*)dst = 0x7f;
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else
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*(u_int8_t*)dst = 0xff;
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break;
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case 16:
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if (dst_sign)
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*(u_int16_t*)dst = dst_end ? 0xff7f : 0x7fff;
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else
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*(u_int16_t*)dst = 0;
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break;
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case 24:
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if (dst_sign)
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*(u_int32_t*)dst = dst_end ? 0xffff7f00 : 0x007fffff;
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else
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*(u_int32_t*)dst = 0;
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break;
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case 32:
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if (dst_sign)
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*(u_int32_t*)dst = dst_end ? 0xffffff7f : 0x7fffffff;
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else
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*(u_int32_t*)dst = 0;
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break;
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default:
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assert(0);
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break;
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}
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return;
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}
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/* src_wid dst_sign dst_wid dst_end */
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static void *norms_labels[4 * 2 * 4 * 2] = {
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&&norms_8_u8, /* s8 -> u8 */
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&&norms_8_u8, /* s8 -> u8 */
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&&norms_8_u16h, /* s8 -> u16h */
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&&norms_8_u16s, /* s8 -> u16s */
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&&norms_8_u24h, /* s8 -> u24h */
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&&norms_8_u24s, /* s8 -> u24s */
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&&norms_8_u32h, /* s8 -> u32h */
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&&norms_8_u32s, /* s8 -> u32s */
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&&norms_8_s8, /* s8 -> s8 */
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&&norms_8_s8, /* s8 -> s8 */
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&&norms_8_s16h, /* s8 -> s16h */
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&&norms_8_s16s, /* s8 -> s16s */
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&&norms_8_s24h, /* s8 -> s24h */
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&&norms_8_s24s, /* s8 -> s24s */
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&&norms_8_s32h, /* s8 -> s32h */
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&&norms_8_s32s, /* s8 -> s32s */
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&&norms_16_u8, /* s16 -> u8 */
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&&norms_16_u8, /* s16 -> u8 */
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&&norms_16_u16h, /* s16 -> u16h */
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&&norms_16_u16s, /* s16 -> u16s */
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&&norms_16_u24h, /* s16 -> u24h */
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&&norms_16_u24s, /* s16 -> u24s */
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&&norms_16_u32h, /* s16 -> u32h */
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&&norms_16_u32s, /* s16 -> u32s */
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&&norms_16_s8, /* s16 -> s8 h*/
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&&norms_16_s8, /* s16 -> s8 */
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&&norms_16_s16h, /* s16 -> s16h */
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&&norms_16_s16s, /* s16 -> s16s */
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&&norms_16_s24h, /* s16 -> s24h */
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&&norms_16_s24s, /* s16 -> s24s */
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&&norms_16_s32h, /* s16 -> s32h */
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&&norms_16_s32s, /* s16 -> s32s */
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&&norms_24_u8, /* s24 -> u8 */
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&&norms_24_u8, /* s24 -> u8 */
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&&norms_24_u16h, /* s24 -> u16h */
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&&norms_24_u16s, /* s24 -> u16s */
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&&norms_24_u24h, /* s24 -> u24h */
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&&norms_24_u24s, /* s24 -> u24s */
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&&norms_24_u32h, /* s24 -> u32h */
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&&norms_24_u32s, /* s24 -> u32s */
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&&norms_24_s8, /* s24 -> s8 */
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&&norms_24_s8, /* s24 -> s8 */
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&&norms_24_s16h, /* s24 -> s16h */
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&&norms_24_s16s, /* s24 -> s16s */
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&&norms_24_s24h, /* s24 -> s24h */
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&&norms_24_s24s, /* s24 -> s24s */
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&&norms_24_s32h, /* s24 -> s32h */
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&&norms_24_s32s, /* s24 -> s32s */
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&&norms_32_u8, /* s32 -> u8 */
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&&norms_32_u8, /* s32 -> u8 */
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&&norms_32_u16h, /* s32 -> u16h */
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&&norms_32_u16s, /* s32 -> u16s */
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&&norms_32_u24h, /* s32 -> u24h */
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&&norms_32_u24s, /* s32 -> u24s */
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&&norms_32_u32h, /* s32 -> u32h */
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&&norms_32_u32s, /* s32 -> u32s */
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&&norms_32_s8, /* s32 -> s8 */
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&&norms_32_s8, /* s32 -> s8 */
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&&norms_32_s16h, /* s32 -> s16h */
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&&norms_32_s16s, /* s32 -> s16s */
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&&norms_32_s24h, /* s32 -> s24h */
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&&norms_32_s24s, /* s32 -> s24s */
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&&norms_32_s32h, /* s32 -> s32h */
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&&norms_32_s32s, /* s32 -> s32s */
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};
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#endif
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#ifdef NORMS_END
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norms_8_u8: _norms(src, dst, 8, 0, 8, 0); goto NORMS_END;
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norms_8_u16h: _norms(src, dst, 8, 0, 16, 0); goto NORMS_END;
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norms_8_u16s: _norms(src, dst, 8, 0, 16, 1); goto NORMS_END;
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norms_8_u24h: _norms(src, dst, 8, 0, 24, 0); goto NORMS_END;
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norms_8_u24s: _norms(src, dst, 8, 0, 24, 1); goto NORMS_END;
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norms_8_u32h: _norms(src, dst, 8, 0, 32, 0); goto NORMS_END;
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norms_8_u32s: _norms(src, dst, 8, 0, 32, 1); goto NORMS_END;
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norms_8_s8: _norms(src, dst, 8, 1, 8, 0); goto NORMS_END;
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norms_8_s16h: _norms(src, dst, 8, 1, 16, 0); goto NORMS_END;
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norms_8_s16s: _norms(src, dst, 8, 1, 16, 1); goto NORMS_END;
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norms_8_s24h: _norms(src, dst, 8, 1, 24, 0); goto NORMS_END;
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norms_8_s24s: _norms(src, dst, 8, 1, 24, 1); goto NORMS_END;
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norms_8_s32h: _norms(src, dst, 8, 1, 32, 0); goto NORMS_END;
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norms_8_s32s: _norms(src, dst, 8, 1, 32, 1); goto NORMS_END;
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norms_16_u8: _norms(src, dst, 16, 0, 8, 0); goto NORMS_END;
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norms_16_u16h: _norms(src, dst, 16, 0, 16, 0); goto NORMS_END;
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norms_16_u16s: _norms(src, dst, 16, 0, 16, 1); goto NORMS_END;
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norms_16_u24h: _norms(src, dst, 16, 0, 24, 0); goto NORMS_END;
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norms_16_u24s: _norms(src, dst, 16, 0, 24, 1); goto NORMS_END;
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norms_16_u32h: _norms(src, dst, 16, 0, 32, 0); goto NORMS_END;
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norms_16_u32s: _norms(src, dst, 16, 0, 32, 1); goto NORMS_END;
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norms_16_s8: _norms(src, dst, 16, 1, 8, 0); goto NORMS_END;
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norms_16_s16h: _norms(src, dst, 16, 1, 16, 0); goto NORMS_END;
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norms_16_s16s: _norms(src, dst, 16, 1, 16, 1); goto NORMS_END;
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norms_16_s24h: _norms(src, dst, 16, 1, 24, 0); goto NORMS_END;
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norms_16_s24s: _norms(src, dst, 16, 1, 24, 1); goto NORMS_END;
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norms_16_s32h: _norms(src, dst, 16, 1, 32, 0); goto NORMS_END;
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norms_16_s32s: _norms(src, dst, 16, 1, 32, 1); goto NORMS_END;
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norms_24_u8: _norms(src, dst, 24, 0, 8, 0); goto NORMS_END;
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norms_24_u16h: _norms(src, dst, 24, 0, 16, 0); goto NORMS_END;
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norms_24_u16s: _norms(src, dst, 24, 0, 16, 1); goto NORMS_END;
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norms_24_u24h: _norms(src, dst, 24, 0, 24, 0); goto NORMS_END;
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norms_24_u24s: _norms(src, dst, 24, 0, 24, 1); goto NORMS_END;
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norms_24_u32h: _norms(src, dst, 24, 0, 32, 0); goto NORMS_END;
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norms_24_u32s: _norms(src, dst, 24, 0, 32, 1); goto NORMS_END;
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norms_24_s8: _norms(src, dst, 24, 1, 8, 0); goto NORMS_END;
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norms_24_s16h: _norms(src, dst, 24, 1, 16, 0); goto NORMS_END;
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norms_24_s16s: _norms(src, dst, 24, 1, 16, 1); goto NORMS_END;
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norms_24_s24h: _norms(src, dst, 24, 1, 24, 0); goto NORMS_END;
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norms_24_s24s: _norms(src, dst, 24, 1, 24, 1); goto NORMS_END;
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norms_24_s32h: _norms(src, dst, 24, 1, 32, 0); goto NORMS_END;
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norms_24_s32s: _norms(src, dst, 24, 1, 32, 1); goto NORMS_END;
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norms_32_u8: _norms(src, dst, 32, 0, 8, 0); goto NORMS_END;
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norms_32_u16h: _norms(src, dst, 32, 0, 16, 0); goto NORMS_END;
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norms_32_u16s: _norms(src, dst, 32, 0, 16, 1); goto NORMS_END;
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norms_32_u24h: _norms(src, dst, 32, 0, 24, 0); goto NORMS_END;
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norms_32_u24s: _norms(src, dst, 32, 0, 24, 1); goto NORMS_END;
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norms_32_u32h: _norms(src, dst, 32, 0, 32, 0); goto NORMS_END;
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norms_32_u32s: _norms(src, dst, 32, 0, 32, 1); goto NORMS_END;
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norms_32_s8: _norms(src, dst, 32, 1, 8, 0); goto NORMS_END;
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norms_32_s16h: _norms(src, dst, 32, 1, 16, 0); goto NORMS_END;
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norms_32_s16s: _norms(src, dst, 32, 1, 16, 1); goto NORMS_END;
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norms_32_s24h: _norms(src, dst, 32, 1, 24, 0); goto NORMS_END;
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norms_32_s24s: _norms(src, dst, 32, 1, 24, 1); goto NORMS_END;
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norms_32_s32h: _norms(src, dst, 32, 1, 32, 0); goto NORMS_END;
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norms_32_s32s: _norms(src, dst, 32, 1, 32, 1); goto NORMS_END;
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#endif
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#undef as_u8
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#undef as_u16
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