diff options
Diffstat (limited to 'libavcodec/mips/aacpsy_mips.h')
| -rw-r--r-- | libavcodec/mips/aacpsy_mips.h | 78 |
1 files changed, 41 insertions, 37 deletions
diff --git a/libavcodec/mips/aacpsy_mips.h b/libavcodec/mips/aacpsy_mips.h index 596dcaddd0..42ff442a59 100644 --- a/libavcodec/mips/aacpsy_mips.h +++ b/libavcodec/mips/aacpsy_mips.h @@ -61,58 +61,62 @@ #if HAVE_INLINE_ASM && HAVE_MIPSFPU && ( PSY_LAME_FIR_LEN == 21 ) static void calc_thr_3gpp_mips(const FFPsyWindowInfo *wi, const int num_bands, AacPsyChannel *pch, const uint8_t *band_sizes, - const float *coefs) + const float *coefs, const int cutoff) { int i, w, g; - int start = 0; + int start = 0, wstart = 0; for (w = 0; w < wi->num_windows*16; w += 16) { + wstart = 0; for (g = 0; g < num_bands; g++) { AacPsyBand *band = &pch->band[w+g]; float form_factor = 0.0f; float Temp; band->energy = 0.0f; - for (i = 0; i < band_sizes[g]; i+=4) { - float a, b, c, d; - float ax, bx, cx, dx; - float *cf = (float *)&coefs[start+i]; - - __asm__ volatile ( - "lwc1 %[a], 0(%[cf]) \n\t" - "lwc1 %[b], 4(%[cf]) \n\t" - "lwc1 %[c], 8(%[cf]) \n\t" - "lwc1 %[d], 12(%[cf]) \n\t" - "abs.s %[a], %[a] \n\t" - "abs.s %[b], %[b] \n\t" - "abs.s %[c], %[c] \n\t" - "abs.s %[d], %[d] \n\t" - "sqrt.s %[ax], %[a] \n\t" - "sqrt.s %[bx], %[b] \n\t" - "sqrt.s %[cx], %[c] \n\t" - "sqrt.s %[dx], %[d] \n\t" - "madd.s %[e], %[e], %[a], %[a] \n\t" - "madd.s %[e], %[e], %[b], %[b] \n\t" - "madd.s %[e], %[e], %[c], %[c] \n\t" - "madd.s %[e], %[e], %[d], %[d] \n\t" - "add.s %[f], %[f], %[ax] \n\t" - "add.s %[f], %[f], %[bx] \n\t" - "add.s %[f], %[f], %[cx] \n\t" - "add.s %[f], %[f], %[dx] \n\t" - - : [a]"=&f"(a), [b]"=&f"(b), - [c]"=&f"(c), [d]"=&f"(d), - [e]"+f"(band->energy), [f]"+f"(form_factor), - [ax]"=&f"(ax), [bx]"=&f"(bx), - [cx]"=&f"(cx), [dx]"=&f"(dx) - : [cf]"r"(cf) - : "memory" - ); + if (wstart < cutoff) { + for (i = 0; i < band_sizes[g]; i+=4) { + float a, b, c, d; + float ax, bx, cx, dx; + float *cf = (float *)&coefs[start+i]; + + __asm__ volatile ( + "lwc1 %[a], 0(%[cf]) \n\t" + "lwc1 %[b], 4(%[cf]) \n\t" + "lwc1 %[c], 8(%[cf]) \n\t" + "lwc1 %[d], 12(%[cf]) \n\t" + "abs.s %[a], %[a] \n\t" + "abs.s %[b], %[b] \n\t" + "abs.s %[c], %[c] \n\t" + "abs.s %[d], %[d] \n\t" + "sqrt.s %[ax], %[a] \n\t" + "sqrt.s %[bx], %[b] \n\t" + "sqrt.s %[cx], %[c] \n\t" + "sqrt.s %[dx], %[d] \n\t" + "madd.s %[e], %[e], %[a], %[a] \n\t" + "madd.s %[e], %[e], %[b], %[b] \n\t" + "madd.s %[e], %[e], %[c], %[c] \n\t" + "madd.s %[e], %[e], %[d], %[d] \n\t" + "add.s %[f], %[f], %[ax] \n\t" + "add.s %[f], %[f], %[bx] \n\t" + "add.s %[f], %[f], %[cx] \n\t" + "add.s %[f], %[f], %[dx] \n\t" + + : [a]"=&f"(a), [b]"=&f"(b), + [c]"=&f"(c), [d]"=&f"(d), + [e]"+f"(band->energy), [f]"+f"(form_factor), + [ax]"=&f"(ax), [bx]"=&f"(bx), + [cx]"=&f"(cx), [dx]"=&f"(dx) + : [cf]"r"(cf) + : "memory" + ); + } } Temp = sqrtf((float)band_sizes[g] / band->energy); band->thr = band->energy * 0.001258925f; band->nz_lines = form_factor * sqrtf(Temp); start += band_sizes[g]; + wstart += band_sizes[g]; } } } |