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Code Issues Releases Activity

avcodec/ra288: Avoid indirection when calling float dsp function

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Do this by only keeping the only function pointer from the
AVFloatDSPContext that is needed lateron. This also allows to remove the
decoder's close function.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2020-09-13 00:09:18 +02:00
parent 8bbd97109c
commit d3737bde63
1 changed files with 9 additions and 15 deletions
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24
libavcodec/ra288.c
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@ -39,7 +39,8 @@
#define RA288_BLOCKS_PER_FRAME 32
typedef struct RA288Context {
AVFloatDSPContext *fdsp;
void (*vector_fmul)(float *dst, const float *src0, const float *src1,
int len);
DECLARE_ALIGNED(32, float, sp_lpc)[FFALIGN(36, 16)]; ///< LPC coefficients for speech data (spec: A)
DECLARE_ALIGNED(32, float, gain_lpc)[FFALIGN(10, 16)]; ///< LPC coefficients for gain (spec: GB)
@ -60,18 +61,10 @@ typedef struct RA288Context {
float gain_rec[11];
} RA288Context;
static av_cold int ra288_decode_close(AVCodecContext *avctx)
{
RA288Context *ractx = avctx->priv_data;
av_freep(&ractx->fdsp);
return 0;
}
static av_cold int ra288_decode_init(AVCodecContext *avctx)
{
RA288Context *ractx = avctx->priv_data;
AVFloatDSPContext *fdsp;
avctx->channels = 1;
avctx->channel_layout = AV_CH_LAYOUT_MONO;
@ -82,9 +75,11 @@ static av_cold int ra288_decode_init(AVCodecContext *avctx)
return AVERROR_PATCHWELCOME;
}
ractx->fdsp = avpriv_float_dsp_alloc(avctx->flags & AV_CODEC_FLAG_BITEXACT);
if (!ractx->fdsp)
fdsp = avpriv_float_dsp_alloc(avctx->flags & AV_CODEC_FLAG_BITEXACT);
if (!fdsp)
return AVERROR(ENOMEM);
ractx->vector_fmul = fdsp->vector_fmul;
av_free(fdsp);
return 0;
}
@ -158,7 +153,7 @@ static void do_hybrid_window(RA288Context *ractx,
av_assert2(order>=0);
ractx->fdsp->vector_fmul(work, window, hist, FFALIGN(order + n + non_rec, 16));
ractx->vector_fmul(work, window, hist, FFALIGN(order + n + non_rec, 16));
convolve(buffer1, work + order , n , order);
convolve(buffer2, work + order + n, non_rec, order);
@ -185,7 +180,7 @@ static void backward_filter(RA288Context *ractx,
do_hybrid_window(ractx, order, n, non_rec, temp, hist, rec, window);
if (!compute_lpc_coefs(temp, order, lpc, 0, 1, 1))
ractx->fdsp->vector_fmul(lpc, lpc, tab, FFALIGN(order, 16));
ractx->vector_fmul(lpc, lpc, tab, FFALIGN(order, 16));
memmove(hist, hist + n, move_size*sizeof(*hist));
}
@ -249,6 +244,5 @@ AVCodec ff_ra_288_decoder = {
.priv_data_size = sizeof(RA288Context),
.init = ra288_decode_init,
.decode = ra288_decode_frame,
.close = ra288_decode_close,
.capabilities = AV_CODEC_CAP_DR1,
};