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audioconvert: pass state to functions
Pass some state to convert and channelmix functions. This makes it possible to select per channel optimized convert functions but also makes it possible to implement noise shaping later. Pass the channelmix matrix and volume in the state. Handle specialized 2 channel s16 -> f32 conversion
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17 changed files with 952 additions and 685 deletions
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@ -27,7 +27,8 @@
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#include <smmintrin.h>
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static void
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conv_s24_to_f32d_1_sse41(void *data, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src, uint32_t n_channels, uint32_t n_samples)
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conv_s24_to_f32d_1s_sse41(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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{
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const uint8_t *s = src;
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float **d = (float **) dst;
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@ -61,23 +62,26 @@ conv_s24_to_f32d_1_sse41(void *data, void * SPA_RESTRICT dst[], const void * SPA
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}
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}
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extern void conv_s24_to_f32d_2_sse2(void *data, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src, uint32_t n_channels, uint32_t n_samples);
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extern void conv_s24_to_f32d_4_ssse3(void *data, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src, uint32_t n_channels, uint32_t n_samples);
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extern void conv_s24_to_f32d_2s_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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extern void conv_s24_to_f32d_4s_ssse3(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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void
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conv_s24_to_f32d_sse41(void *data, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src[], uint32_t n_channels, uint32_t n_samples)
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conv_s24_to_f32d_sse41(struct convert *conv, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src[],
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uint32_t n_samples)
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{
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const int8_t *s = src[0];
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uint32_t i = 0;
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uint32_t i = 0, n_channels = conv->n_channels;
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#if defined (HAVE_SSSE3)
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for(; i + 3 < n_channels; i += 4)
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conv_s24_to_f32d_4_ssse3(data, &dst[i], &s[3*i], n_channels, n_samples);
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conv_s24_to_f32d_4s_ssse3(conv, &dst[i], &s[3*i], n_channels, n_samples);
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#endif
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#if defined (HAVE_SSE2)
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for(; i + 1 < n_channels; i += 2)
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conv_s24_to_f32d_2_sse2(data, &dst[i], &s[3*i], n_channels, n_samples);
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conv_s24_to_f32d_2s_sse2(conv, &dst[i], &s[3*i], n_channels, n_samples);
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#endif
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for(; i < n_channels; i++)
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conv_s24_to_f32d_1_sse41(data, &dst[i], &s[3*i], n_channels, n_samples);
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conv_s24_to_f32d_1s_sse41(conv, &dst[i], &s[3*i], n_channels, n_samples);
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}
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