int debug_flag; ///< used for suppressing repeated error messages output
DSPContext dsp;
FFTContext imdct;
+ SynthFilterContext synth;
} DCAContext;
static const uint16_t dca_vlc_offs[] = {
for (; i < 32; i++)
s->raXin[i] = 0.0;
- ff_synth_filter_float(&s->imdct,
+ s->synth.synth_filter_float(&s->imdct,
s->subband_fir_hist[chans], &s->hist_index[chans],
s->subband_fir_noidea[chans], prCoeff,
samples_out, s->raXin, scale, bias);
dsputil_init(&s->dsp, avctx);
ff_mdct_init(&s->imdct, 6, 1, 1.0);
+ ff_synth_filter_init(&s->synth);
for(i = 0; i < 6; i++)
s->samples_chanptr[i] = s->samples + i * 256;
#include "fft.h"
#include "synth_filter.h"
-void ff_synth_filter_float(FFTContext *imdct,
+static void synth_filter_float(FFTContext *imdct,
float *synth_buf_ptr, int *synth_buf_offset,
float synth_buf2[32], const float window[512],
float out[32], const float in[32], float scale, float bias)
}
*synth_buf_offset= (*synth_buf_offset - 32)&511;
}
+
+av_cold void ff_synth_filter_init(SynthFilterContext *c)
+{
+ c->synth_filter_float = synth_filter_float;
+
+ if (ARCH_ARM) ff_synth_filter_init_arm(c);
+}
#include "fft.h"
-void ff_synth_filter_float(FFTContext *imdct,
- float *synth_buf_ptr, int *synth_buf_offset,
- float synth_buf2[32], const float window[512],
- float out[32], const float in[32], float scale, float bias);
+typedef struct SynthFilterContext {
+ void (*synth_filter_float)(FFTContext *imdct,
+ float *synth_buf_ptr, int *synth_buf_offset,
+ float synth_buf2[32], const float window[512],
+ float out[32], const float in[32],
+ float scale, float bias);
+} SynthFilterContext;
+
+void ff_synth_filter_init(SynthFilterContext *c);
#endif /* AVCODEC_SYNTH_FILTER_H */