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https://gitlab.freedesktop.org/pipewire/pipewire
synced 2024-09-06 08:45:44 +00:00
audioconvert: use spa_write_unaligned
Use a macro to write out unaligned data to avoid ASAN errors. See #3572
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7d5b809b19
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16ad067cc9
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@ -523,6 +523,12 @@ conv_f32d_to_s32_1s_avx2(void *data, void * SPA_RESTRICT dst, const void * SPA_R
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}
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}
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#define spa_write_unaligned(ptr, type, val) \
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__extension__ ({ \
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__typeof__(type) _val = (val); \
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memcpy((ptr), &_val, sizeof(_val)); \
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})
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static void
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conv_f32d_to_s32_2s_avx2(void *data, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
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uint32_t n_channels, uint32_t n_samples)
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@ -558,14 +564,14 @@ conv_f32d_to_s32_2s_avx2(void *data, void * SPA_RESTRICT dst, const void * SPA_R
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t[1] = _mm256_unpackhi_epi32(out[0], out[1]); /* a2 b2 a3 b3 a6 b6 a7 b7 */
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#ifdef __x86_64__
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*((int64_t*)(d + 0*n_channels)) = _mm256_extract_epi64(t[0], 0);
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*((int64_t*)(d + 1*n_channels)) = _mm256_extract_epi64(t[0], 1);
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*((int64_t*)(d + 2*n_channels)) = _mm256_extract_epi64(t[1], 0);
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*((int64_t*)(d + 3*n_channels)) = _mm256_extract_epi64(t[1], 1);
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*((int64_t*)(d + 4*n_channels)) = _mm256_extract_epi64(t[0], 2);
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*((int64_t*)(d + 5*n_channels)) = _mm256_extract_epi64(t[0], 3);
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*((int64_t*)(d + 6*n_channels)) = _mm256_extract_epi64(t[1], 2);
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*((int64_t*)(d + 7*n_channels)) = _mm256_extract_epi64(t[1], 3);
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spa_write_unaligned(d + 0*n_channels, uint64_t, _mm256_extract_epi64(t[0], 0));
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spa_write_unaligned(d + 1*n_channels, uint64_t, _mm256_extract_epi64(t[0], 1));
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spa_write_unaligned(d + 2*n_channels, uint64_t, _mm256_extract_epi64(t[1], 0));
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spa_write_unaligned(d + 3*n_channels, uint64_t, _mm256_extract_epi64(t[1], 1));
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spa_write_unaligned(d + 4*n_channels, uint64_t, _mm256_extract_epi64(t[0], 2));
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spa_write_unaligned(d + 5*n_channels, uint64_t, _mm256_extract_epi64(t[0], 3));
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spa_write_unaligned(d + 6*n_channels, uint64_t, _mm256_extract_epi64(t[1], 2));
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spa_write_unaligned(d + 7*n_channels, uint64_t, _mm256_extract_epi64(t[1], 3));
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#else
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_mm_storel_pi((__m64*)(d + 0*n_channels), (__m128)_mm256_extracti128_si256(t[0], 0));
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_mm_storeh_pi((__m64*)(d + 1*n_channels), (__m128)_mm256_extracti128_si256(t[0], 0));
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@ -692,17 +698,12 @@ conv_f32d_to_s32_avx2(struct convert *conv, void * SPA_RESTRICT dst[], const voi
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int32_t *d = dst[0];
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uint32_t i = 0, n_channels = conv->n_channels;
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if ((n_channels & 3) == 0) {
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for(; i + 3 < n_channels; i += 4)
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conv_f32d_to_s32_4s_avx2(conv, &d[i], &src[i], n_channels, n_samples);
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}
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else if ((n_channels & 1) == 0) {
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for(; i + 1 < n_channels; i += 2)
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conv_f32d_to_s32_2s_avx2(conv, &d[i], &src[i], n_channels, n_samples);
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} else {
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for(; i < n_channels; i++)
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conv_f32d_to_s32_1s_avx2(conv, &d[i], &src[i], n_channels, n_samples);
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}
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for(; i + 3 < n_channels; i += 4)
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conv_f32d_to_s32_4s_avx2(conv, &d[i], &src[i], n_channels, n_samples);
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for(; i + 1 < n_channels; i += 2)
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conv_f32d_to_s32_2s_avx2(conv, &d[i], &src[i], n_channels, n_samples);
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for(; i < n_channels; i++)
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conv_f32d_to_s32_1s_avx2(conv, &d[i], &src[i], n_channels, n_samples);
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}
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static void
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@ -777,14 +778,14 @@ conv_f32d_to_s16_2s_avx2(void *data, void * SPA_RESTRICT dst, const void * SPA_R
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out[0] = _mm256_packs_epi32(t[0], t[1]); /* a0 b0 a1 b1 a2 b2 a3 b3 a4 b4 a5 b5 a6 b6 a7 b7 */
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*((int32_t*)(d + 0*n_channels)) = _mm256_extract_epi32(out[0],0);
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*((int32_t*)(d + 1*n_channels)) = _mm256_extract_epi32(out[0],1);
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*((int32_t*)(d + 2*n_channels)) = _mm256_extract_epi32(out[0],2);
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*((int32_t*)(d + 3*n_channels)) = _mm256_extract_epi32(out[0],3);
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*((int32_t*)(d + 4*n_channels)) = _mm256_extract_epi32(out[0],4);
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*((int32_t*)(d + 5*n_channels)) = _mm256_extract_epi32(out[0],5);
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*((int32_t*)(d + 6*n_channels)) = _mm256_extract_epi32(out[0],6);
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*((int32_t*)(d + 7*n_channels)) = _mm256_extract_epi32(out[0],7);
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spa_write_unaligned(d + 0*n_channels, uint32_t, _mm256_extract_epi32(out[0],0));
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spa_write_unaligned(d + 1*n_channels, uint32_t, _mm256_extract_epi32(out[0],1));
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spa_write_unaligned(d + 2*n_channels, uint32_t, _mm256_extract_epi32(out[0],2));
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spa_write_unaligned(d + 3*n_channels, uint32_t, _mm256_extract_epi32(out[0],3));
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spa_write_unaligned(d + 4*n_channels, uint32_t, _mm256_extract_epi32(out[0],4));
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spa_write_unaligned(d + 5*n_channels, uint32_t, _mm256_extract_epi32(out[0],5));
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spa_write_unaligned(d + 6*n_channels, uint32_t, _mm256_extract_epi32(out[0],6));
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spa_write_unaligned(d + 7*n_channels, uint32_t, _mm256_extract_epi32(out[0],7));
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d += 8*n_channels;
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}
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@ -844,14 +845,14 @@ conv_f32d_to_s16_4s_avx2(void *data, void * SPA_RESTRICT dst, const void * SPA_R
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out[3] = _mm256_unpackhi_epi32(out[0], out[1]); /* a2 b2 c2 d2 a3 b3 c3 d3 a6 b6 c6 d6 a7 b7 c7 d7 */
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#ifdef __x86_64__
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*(int64_t*)(d + 0*n_channels) = _mm256_extract_epi64(out[2], 0); /* a0 b0 c0 d0 */
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*(int64_t*)(d + 1*n_channels) = _mm256_extract_epi64(out[2], 1); /* a1 b1 c1 d1 */
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*(int64_t*)(d + 2*n_channels) = _mm256_extract_epi64(out[3], 0); /* a2 b2 c2 d2 */
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*(int64_t*)(d + 3*n_channels) = _mm256_extract_epi64(out[3], 1); /* a3 b3 c3 d3 */
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*(int64_t*)(d + 4*n_channels) = _mm256_extract_epi64(out[2], 2); /* a4 b4 c4 d4 */
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*(int64_t*)(d + 5*n_channels) = _mm256_extract_epi64(out[2], 3); /* a5 b5 c5 d5 */
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*(int64_t*)(d + 6*n_channels) = _mm256_extract_epi64(out[3], 2); /* a6 b6 c6 d6 */
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*(int64_t*)(d + 7*n_channels) = _mm256_extract_epi64(out[3], 3); /* a7 b7 c7 d7 */
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spa_write_unaligned(d + 0*n_channels, uint64_t, _mm256_extract_epi64(out[2], 0)); /* a0 b0 c0 d0 */
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spa_write_unaligned(d + 1*n_channels, uint64_t, _mm256_extract_epi64(out[2], 1)); /* a1 b1 c1 d1 */
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spa_write_unaligned(d + 2*n_channels, uint64_t, _mm256_extract_epi64(out[3], 0)); /* a2 b2 c2 d2 */
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spa_write_unaligned(d + 3*n_channels, uint64_t, _mm256_extract_epi64(out[3], 1)); /* a3 b3 c3 d3 */
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spa_write_unaligned(d + 4*n_channels, uint64_t, _mm256_extract_epi64(out[2], 2)); /* a4 b4 c4 d4 */
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spa_write_unaligned(d + 5*n_channels, uint64_t, _mm256_extract_epi64(out[2], 3)); /* a5 b5 c5 d5 */
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spa_write_unaligned(d + 6*n_channels, uint64_t, _mm256_extract_epi64(out[3], 2)); /* a6 b6 c6 d6 */
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spa_write_unaligned(d + 7*n_channels, uint64_t, _mm256_extract_epi64(out[3], 3)); /* a7 b7 c7 d7 */
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#else
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_mm_storel_pi((__m64*)(d + 0*n_channels), (__m128)_mm256_extracti128_si256(out[2], 0));
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_mm_storeh_pi((__m64*)(d + 1*n_channels), (__m128)_mm256_extracti128_si256(out[2], 0));
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@ -894,14 +895,10 @@ conv_f32d_to_s16_avx2(struct convert *conv, void * SPA_RESTRICT dst[], const voi
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int16_t *d = dst[0];
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uint32_t i = 0, n_channels = conv->n_channels;
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if ((n_channels & 0x3) == 0) {
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for(; i + 3 < n_channels; i += 4)
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conv_f32d_to_s16_4s_avx2(conv, &d[i], &src[i], n_channels, n_samples);
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}
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if ((n_channels & 0x1) == 0) {
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for(; i + 1 < n_channels; i += 2)
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conv_f32d_to_s16_2s_avx2(conv, &d[i], &src[i], n_channels, n_samples);
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}
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for(; i + 3 < n_channels; i += 4)
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conv_f32d_to_s16_4s_avx2(conv, &d[i], &src[i], n_channels, n_samples);
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for(; i + 1 < n_channels; i += 2)
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conv_f32d_to_s16_2s_avx2(conv, &d[i], &src[i], n_channels, n_samples);
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for(; i < n_channels; i++)
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conv_f32d_to_s16_1s_avx2(conv, &d[i], &src[i], n_channels, n_samples);
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}
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@ -121,6 +121,11 @@ __extension__ ({ \
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_val; \
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})
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#define spa_write_unaligned(ptr, type, val) \
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__extension__ ({ \
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__typeof__(type) _val = (val); \
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memcpy((ptr), &_val, sizeof(_val)); \
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})
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void
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conv_s24_to_f32d_1s_sse2(void *data, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src,
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uint32_t n_channels, uint32_t n_samples)
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@ -1155,15 +1160,14 @@ conv_f32d_to_s16_2s_sse2(void *data, void * SPA_RESTRICT dst, const void * SPA_R
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t[1] = _mm_packs_epi32(t[1], t[1]);
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out[0] = _mm_unpacklo_epi16(t[0], t[1]);
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out[1] = _mm_shuffle_epi32(out[0], _MM_SHUFFLE(0, 3, 2, 1));
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out[2] = _mm_shuffle_epi32(out[0], _MM_SHUFFLE(1, 0, 3, 2));
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out[3] = _mm_shuffle_epi32(out[0], _MM_SHUFFLE(2, 1, 0, 3));
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d[0*n_channels+0] = _mm_extract_epi16(out[0], 0);
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d[0*n_channels+1] = _mm_extract_epi16(out[0], 1);
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d[1*n_channels+0] = _mm_extract_epi16(out[0], 2);
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d[1*n_channels+1] = _mm_extract_epi16(out[0], 3);
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d[2*n_channels+0] = _mm_extract_epi16(out[0], 4);
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d[2*n_channels+1] = _mm_extract_epi16(out[0], 5);
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d[3*n_channels+0] = _mm_extract_epi16(out[0], 6);
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d[3*n_channels+1] = _mm_extract_epi16(out[0], 7);
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spa_write_unaligned(d + 0*n_channels, uint32_t, _mm_cvtsi128_si32(out[0]));
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spa_write_unaligned(d + 1*n_channels, uint32_t, _mm_cvtsi128_si32(out[1]));
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spa_write_unaligned(d + 2*n_channels, uint32_t, _mm_cvtsi128_si32(out[2]));
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spa_write_unaligned(d + 3*n_channels, uint32_t, _mm_cvtsi128_si32(out[3]));
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d += 4*n_channels;
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}
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for(; n < n_samples; n++) {
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