Revision f1efbca5 libavcodec/ac3dsp.h

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libavcodec/ac3dsp.h
46 46 
     * @return    a value with the same MSB as max(abs(src[]))
47 47 
     */
48 48 
    int (*ac3_max_msb_abs_int16)(const int16_t *src, int len);
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    /**


  		




  
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     * Left-shift each value in an array of int16_t by a specified amount.


  		




  
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     * @param src    input array


  		




  
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     *               constraints: align 16


  		




  
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     * @param len    number of values in the array


  		




  
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     *               constraints: multiple of 32 greater than 0


  		




  
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     * @param shift  left shift amount


  		




  
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     *               constraints: range [0,15]


  		




  
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     */


  		




  
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    void (*ac3_lshift_int16)(int16_t *src, unsigned int len, unsigned int shift);


  		




  
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    /**


  		




  
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     * Right-shift each value in an array of int32_t by a specified amount.


  		




  
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     * @param src    input array


  		




  
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     *               constraints: align 16


  		




  
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     * @param len    number of values in the array


  		




  
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     *               constraints: multiple of 16 greater than 0


  		




  
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     * @param shift  right shift amount


  		




  
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     *               constraints: range [0,31]


  		




  
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     */


  		




  
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    void (*ac3_rshift_int32)(int32_t *src, unsigned int len, unsigned int shift);


  		




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} AC3DSPContext;


  		




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void ff_ac3dsp_init    (AC3DSPContext *c);


  		












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