]> git.sesse.net Git - ffmpeg/blobdiff - libavcodec/ac3dec.h
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[ffmpeg] / libavcodec / ac3dec.h
index 38c2deb565935c6f24b15f15dd2c01ec9e1474ab..cac03953a3cfedc75b5715445f4f7f7c2f4c32f7 100644 (file)
@@ -82,7 +82,7 @@ typedef struct {
     int phase_flags_in_use;                 ///< phase flags in use                     (phsflginu)
     int phase_flags[18];                    ///< phase flags                            (phsflg)
     int num_cpl_bands;                      ///< number of coupling bands               (ncplbnd)
-    uint8_t cpl_band_struct[18];            ///< coupling band structure                (cplbndstrc)
+    uint8_t cpl_band_sizes[18];             ///< number of coeffs in each coupling band
     int firstchincpl;                       ///< first channel in coupling
     int first_cpl_coords[AC3_MAX_CHANNELS]; ///< first coupling coordinates states      (firstcplcos)
     int cpl_coords[AC3_MAX_CHANNELS][18];   ///< coupling coordinates                   (cplco)
@@ -146,8 +146,8 @@ typedef struct {
 
 ///@defgroup imdct IMDCT
     int block_switch[AC3_MAX_CHANNELS];     ///< block switch flags                     (blksw)
-    MDCTContext imdct_512;                  ///< for 512 sample IMDCT
-    MDCTContext imdct_256;                  ///< for 256 sample IMDCT
+    FFTContext imdct_512;                   ///< for 512 sample IMDCT
+    FFTContext imdct_256;                   ///< for 256 sample IMDCT
 ///@}
 
 ///@defgroup opt optimization
@@ -156,14 +156,13 @@ typedef struct {
     float mul_bias;                         ///< scaling for float_to_int16 conversion
 ///@}
 
-    DECLARE_ALIGNED_16(int, fixed_coeffs[AC3_MAX_CHANNELS][AC3_MAX_COEFS]);  ///> fixed-point transform coefficients
-
 ///@defgroup arrays aligned arrays
-    DECLARE_ALIGNED_16(float, transform_coeffs[AC3_MAX_CHANNELS][AC3_MAX_COEFS]);   ///< transform coefficients
-    DECLARE_ALIGNED_16(float, delay[AC3_MAX_CHANNELS][AC3_BLOCK_SIZE]);             ///< delay - added to the next block
-    DECLARE_ALIGNED_16(float, window[AC3_BLOCK_SIZE]);                              ///< window coefficients
-    DECLARE_ALIGNED_16(float, tmp_output[AC3_BLOCK_SIZE]);                          ///< temporary storage for output before windowing
-    DECLARE_ALIGNED_16(float, output[AC3_MAX_CHANNELS][AC3_BLOCK_SIZE]);            ///< output after imdct transform and windowing
+    DECLARE_ALIGNED_16(int,   fixed_coeffs)[AC3_MAX_CHANNELS][AC3_MAX_COEFS];       ///> fixed-point transform coefficients
+    DECLARE_ALIGNED_16(float, transform_coeffs)[AC3_MAX_CHANNELS][AC3_MAX_COEFS];   ///< transform coefficients
+    DECLARE_ALIGNED_16(float, delay)[AC3_MAX_CHANNELS][AC3_BLOCK_SIZE];             ///< delay - added to the next block
+    DECLARE_ALIGNED_16(float, window)[AC3_BLOCK_SIZE];                              ///< window coefficients
+    DECLARE_ALIGNED_16(float, tmp_output)[AC3_BLOCK_SIZE];                          ///< temporary storage for output before windowing
+    DECLARE_ALIGNED_16(float, output)[AC3_MAX_CHANNELS][AC3_BLOCK_SIZE];            ///< output after imdct transform and windowing
 ///@}
 } AC3DecodeContext;