X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fdcadsp.h;h=8c8db854a4d87e899c0b3baf40a4d81f3dfe75dc;hb=564dd3f0f40008be8943af59686c0e8c4d67dd08;hp=2a5fd23f93ffbe35f74c966dc365a7274b182e85;hpb=e23c3a13e330278f0350c7222682e43eaed0165a;p=ffmpeg

diff --git a/libavcodec/dcadsp.h b/libavcodec/dcadsp.h
index 2a5fd23f93f..8c8db854a4d 100644
--- a/libavcodec/dcadsp.h
+++ b/libavcodec/dcadsp.h
@@ -22,21 +22,25 @@
 #include "avfft.h"
 #include "synth_filter.h"
 
-#define DCA_SUBBANDS 64
+#define DCA_SUBBANDS_X96K  64
+#define DCA_SUBBANDS       64
+#define SAMPLES_PER_SUBBAND 8 // number of samples per subband per subsubframe
+
 
 typedef struct DCADSPContext {
     void (*lfe_fir[2])(float *out, const float *in, const float *coefs);
-    void (*qmf_32_subbands)(float samples_in[32][8], int sb_act,
+    void (*qmf_32_subbands)(float samples_in[DCA_SUBBANDS][SAMPLES_PER_SUBBAND], 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],
+    void (*decode_hf)(int32_t dst[DCA_SUBBANDS][SAMPLES_PER_SUBBAND],
                       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);
+    void (*dequantize)(int32_t *samples, uint32_t step_size, uint32_t scale);
 } DCADSPContext;
 
 void ff_dcadsp_init(DCADSPContext *s);