dcadec: simplify decoding of VQ high frequencies
[ffmpeg.git] / libavcodec / dcadsp.h
index ec88be7..0fa75a5 100644 (file)
 #include "avfft.h"
 #include "synth_filter.h"
 
+#define DCA_SUBBANDS 32
+
 typedef struct DCADSPContext {
-    void (*lfe_fir)(float *out, const float *in, const float *coefs,
-                    int decifactor, float scale);
+    void (*lfe_fir[2])(float *out, const float *in, const float *coefs);
     void (*qmf_32_subbands)(float samples_in[32][8], int sb_act,
                             SynthFilterContext *synth, FFTContext *imdct,
                             float synth_buf_ptr[512],
                             int *synth_buf_offset, float synth_buf2[32],
                             const float window[512], float *samples_out,
                             float raXin[32], float scale);
+    void (*decode_hf)(float dst[DCA_SUBBANDS][8],
+                      const int32_t vq_num[DCA_SUBBANDS],
+                      const int8_t hf_vq[1024][32], intptr_t vq_offset,
+                      int32_t scale[DCA_SUBBANDS][2],
+                      intptr_t start, intptr_t end);
 } DCADSPContext;
 
 void ff_dcadsp_init(DCADSPContext *s);
 void ff_dcadsp_init_arm(DCADSPContext *s);
+void ff_dcadsp_init_x86(DCADSPContext *s);
 
 #endif /* AVCODEC_DCADSP_H */