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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2011-01-21 00:11:44 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-01-23 19:32:06 +0100 |
| commit | 0d8837bdda4cad7e6c280d2648cef8077e54947b (patch) | |
| tree | dc589b85ee75d3debf012d8a95f18258dc5ba25f /libavcodec/x86/lpc_mmx.c | |
| parent | d3058be6eefefe552f3b03820cc949bfa4e4f487 (diff) | |
| download | ffmpeg-0d8837bdda4cad7e6c280d2648cef8077e54947b.tar.gz | |
Move lpc_compute_autocorr() from DSPContext to a new struct LPCContext.
Signed-off-by: Mans Rullgard <mans@mansr.com>
(cherry picked from commit 56f8952b252f85281317ecd3e0b04c4cae93fd72)
Diffstat (limited to 'libavcodec/x86/lpc_mmx.c')
| -rw-r--r-- | libavcodec/x86/lpc_mmx.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/libavcodec/x86/lpc_mmx.c b/libavcodec/x86/lpc_mmx.c index 49eb569eea..19aad9860f 100644 --- a/libavcodec/x86/lpc_mmx.c +++ b/libavcodec/x86/lpc_mmx.c @@ -20,7 +20,8 @@ */ #include "libavutil/x86_cpu.h" -#include "dsputil_mmx.h" +#include "libavutil/cpu.h" +#include "libavcodec/lpc.h" static void apply_welch_window_sse2(const int32_t *data, int len, double *w_data) { @@ -68,7 +69,7 @@ static void apply_welch_window_sse2(const int32_t *data, int len, double *w_data #undef WELCH } -void ff_lpc_compute_autocorr_sse2(const int32_t *data, int len, int lag, +static void lpc_compute_autocorr_sse2(const int32_t *data, int len, int lag, double *autoc) { double tmp[len + lag + 2]; @@ -141,3 +142,12 @@ void ff_lpc_compute_autocorr_sse2(const int32_t *data, int len, int lag, } } } + +av_cold void ff_lpc_init_x86(LPCContext *c) +{ + int mm_flags = av_get_cpu_flags(); + + if (mm_flags & (AV_CPU_FLAG_SSE2|AV_CPU_FLAG_SSE2SLOW)) { + c->lpc_compute_autocorr = lpc_compute_autocorr_sse2; + } +} |