diff options
Diffstat (limited to 'libavcodec/x86/mpegaudiodec_mmx.c')
| -rw-r--r-- | libavcodec/x86/mpegaudiodec_mmx.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/libavcodec/x86/mpegaudiodec_mmx.c b/libavcodec/x86/mpegaudiodec_mmx.c index b64461513e..06ffbca90a 100644 --- a/libavcodec/x86/mpegaudiodec_mmx.c +++ b/libavcodec/x86/mpegaudiodec_mmx.c @@ -24,6 +24,18 @@ #include "libavcodec/dsputil.h" #include "libavcodec/mpegaudiodsp.h" +void ff_imdct36_float_sse(float *out, float *buf, float *in, float *win); +void ff_imdct36_float_sse2(float *out, float *buf, float *in, float *win); +void ff_imdct36_float_sse3(float *out, float *buf, float *in, float *win); +void ff_imdct36_float_ssse3(float *out, float *buf, float *in, float *win); +void ff_imdct36_float_avx(float *out, float *buf, float *in, float *win); +void ff_four_imdct36_float_sse(float *out, float *buf, float *in, float *win, + float *tmpbuf); +void ff_four_imdct36_float_avx(float *out, float *buf, float *in, float *win, + float *tmpbuf); + +DECLARE_ALIGNED(16, static float, mdct_win_sse)[2][4][4*40]; + #define MACS(rt, ra, rb) rt+=(ra)*(rb) #define MLSS(rt, ra, rb) rt-=(ra)*(rb) @@ -147,11 +159,79 @@ static void apply_window_mp3(float *in, float *win, int *unused, float *out, *out = sum; } + +#define DECL_IMDCT_BLOCKS(CPU1, CPU2) \ +static void imdct36_blocks_ ## CPU1(float *out, float *buf, float *in, \ + int count, int switch_point, int block_type) \ +{ \ + int align_end = count - (count & 3); \ + int j; \ + for (j = 0; j < align_end; j+= 4) { \ + LOCAL_ALIGNED_16(float, tmpbuf, [1024]); \ + float *win = mdct_win_sse[switch_point && j < 4][block_type]; \ + /* apply window & overlap with previous buffer */ \ + \ + /* select window */ \ + ff_four_imdct36_float_ ## CPU2(out, buf, in, win, tmpbuf); \ + in += 4*18; \ + buf += 4*18; \ + out += 4; \ + } \ + for (; j < count; j++) { \ + /* apply window & overlap with previous buffer */ \ + \ + /* select window */ \ + int win_idx = (switch_point && j < 2) ? 0 : block_type; \ + float *win = ff_mdct_win_float[win_idx + (4 & -(j & 1))]; \ + \ + ff_imdct36_float_ ## CPU1(out, buf, in, win); \ + \ + in += 18; \ + buf++; \ + out++; \ + } \ +} + +DECL_IMDCT_BLOCKS(sse,sse) +DECL_IMDCT_BLOCKS(sse2,sse) +DECL_IMDCT_BLOCKS(sse3,sse) +DECL_IMDCT_BLOCKS(ssse3,sse) +DECL_IMDCT_BLOCKS(avx,avx) + void ff_mpadsp_init_mmx(MPADSPContext *s) { int mm_flags = av_get_cpu_flags(); + int i, j; + for (j = 0; j < 4; j++) { + for (i = 0; i < 40; i ++) { + mdct_win_sse[0][j][4*i ] = ff_mdct_win_float[j ][i]; + mdct_win_sse[0][j][4*i + 1] = ff_mdct_win_float[j + 4][i]; + mdct_win_sse[0][j][4*i + 2] = ff_mdct_win_float[j ][i]; + mdct_win_sse[0][j][4*i + 3] = ff_mdct_win_float[j + 4][i]; + mdct_win_sse[1][j][4*i ] = ff_mdct_win_float[0 ][i]; + mdct_win_sse[1][j][4*i + 1] = ff_mdct_win_float[4 ][i]; + mdct_win_sse[1][j][4*i + 2] = ff_mdct_win_float[j ][i]; + mdct_win_sse[1][j][4*i + 3] = ff_mdct_win_float[j + 4][i]; + } + } + if (mm_flags & AV_CPU_FLAG_SSE2) { s->apply_window_float = apply_window_mp3; } +#if HAVE_YASM + if (mm_flags & AV_CPU_FLAG_AVX && HAVE_AVX) { + s->imdct36_blocks_float = imdct36_blocks_avx; +#if HAVE_SSE + } else if (mm_flags & AV_CPU_FLAG_SSSE3) { + s->imdct36_blocks_float = imdct36_blocks_ssse3; + } else if (mm_flags & AV_CPU_FLAG_SSE3) { + s->imdct36_blocks_float = imdct36_blocks_sse3; + } else if (mm_flags & AV_CPU_FLAG_SSE2) { + s->imdct36_blocks_float = imdct36_blocks_sse2; + } else if (mm_flags & AV_CPU_FLAG_SSE) { + s->imdct36_blocks_float = imdct36_blocks_sse; +#endif /* HAVE_SSE */ + } +#endif /* HAVE_YASM */ } |