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AC-3 decoder, soc revision 148, Sep 28 18:38:27 2006 UTC by banan

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Enable sse imdct, patch by Loren Merrit.

Originally committed as revision 9672 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Loren Merritt 2007-07-14 16:05:39 +00:00 committed by Justin Ruggles
parent de17eee70f
commit afb46fc092
1 changed files with 4 additions and 4 deletions
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8
libavcodec/ac3dec.c
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@ -1617,8 +1617,8 @@ static void do_imdct_256(AC3DecodeContext *ctx, int chindex)
x2[k] = ctx->transform_coeffs[chindex][2 * k + 1];
}
ff_imdct_calc(&ctx->imdct_256, ctx->tmp_output, x1, ctx->tmp_imdct);
ff_imdct_calc(&ctx->imdct_256, ctx->tmp_output + 256, x2, ctx->tmp_imdct);
ctx->imdct_256.fft.imdct_calc(&ctx->imdct_256, ctx->tmp_output, x1, ctx->tmp_imdct);
ctx->imdct_256.fft.imdct_calc(&ctx->imdct_256, ctx->tmp_output + 256, x2, ctx->tmp_imdct);
o_ptr = ctx->output[chindex];
d_ptr = ctx->delay[chindex];
@ -1646,8 +1646,8 @@ static void do_imdct_512(AC3DecodeContext *ctx, int chindex)
{
float *ptr;
ff_imdct_calc(&ctx->imdct_512, ctx->tmp_output,
ctx->transform_coeffs[chindex], ctx->tmp_imdct);
ctx->imdct_512.fft.imdct_calc(&ctx->imdct_512, ctx->tmp_output,
ctx->transform_coeffs[chindex], ctx->tmp_imdct);
ptr = ctx->output[chindex];
ctx->dsp.vector_fmul_add_add(ptr, ctx->tmp_output, ctx->window, ctx->delay[chindex], 384, BLOCK_SIZE, 1);
ptr = ctx->delay[chindex];