avcodec/ac3dec: Use avpriv_float_dsp_alloc()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/ac3dec.c

@@ -195,7 +195,7 @@ static av_cold int ac3_decode_init(AVCodecContext *avctx)
 #if (USE_FIXED)
     s->fdsp = avpriv_alloc_fixed_dsp(avctx->flags & CODEC_FLAG_BITEXACT);
 #else
-    avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
+    s->fdsp = avpriv_float_dsp_alloc(avctx->flags & CODEC_FLAG_BITEXACT);
 #endif
 
     ff_ac3dsp_init(&s->ac3dsp, avctx->flags & CODEC_FLAG_BITEXACT);
@@ -688,7 +688,7 @@ static inline void do_imdct(AC3DecodeContext *s, int channels)
             s->fdsp->vector_fmul_window_scaled(s->outptr[ch - 1], s->delay[ch - 1],
                                        s->tmp_output, s->window, 128, 8);
 #else
-            s->fdsp.vector_fmul_window(s->outptr[ch - 1], s->delay[ch - 1],
+            s->fdsp->vector_fmul_window(s->outptr[ch - 1], s->delay[ch - 1],
                                        s->tmp_output, s->window, 128);
 #endif
             for (i = 0; i < 128; i++)
@@ -700,7 +700,7 @@ static inline void do_imdct(AC3DecodeContext *s, int channels)
             s->fdsp->vector_fmul_window_scaled(s->outptr[ch - 1], s->delay[ch - 1],
                                        s->tmp_output, s->window, 128, 8);
 #else
-            s->fdsp.vector_fmul_window(s->outptr[ch - 1], s->delay[ch - 1],
+            s->fdsp->vector_fmul_window(s->outptr[ch - 1], s->delay[ch - 1],
                                        s->tmp_output, s->window, 128);
 #endif
             memcpy(s->delay[ch - 1], s->tmp_output + 128, 128 * sizeof(FFTSample));
@@ -1635,9 +1635,7 @@ static av_cold int ac3_decode_end(AVCodecContext *avctx)
     AC3DecodeContext *s = avctx->priv_data;
     ff_mdct_end(&s->imdct_512);
     ff_mdct_end(&s->imdct_256);
-#if (USE_FIXED)
     av_freep(&s->fdsp);
-#endif
 
     return 0;
 }

libavcodec/ac3dec.h

@@ -218,7 +218,7 @@ typedef struct AC3DecodeContext {
 #if USE_FIXED
     AVFixedDSPContext *fdsp;
 #else
-    AVFloatDSPContext fdsp;
+    AVFloatDSPContext *fdsp;
 #endif
     AC3DSPContext ac3dsp;
     FmtConvertContext fmt_conv;             ///< optimized conversion functions