]> git.sesse.net Git - ffmpeg/blobdiff - libavcodec/dcadsp.h
Merge commit '8fd361f53b3c17c1ae13a39e030c8fa3ab4d8f1f'
[ffmpeg] / libavcodec / dcadsp.h
index 2a5fd23f93ffbe35f74c966dc365a7274b182e85..8c8db854a4d87e899c0b3baf40a4d81f3dfe75dc 100644 (file)
 #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);