libavcodec/wavpack.c:692: error: Integer Overflow L2
  ([-1, +oo] - 1):unsigned32 by call to `wv_get_value_float`.

libavcodec/wavpack.c:648:1: Parameter `s->bc_extra_bits.bits_left`
646. }
647. 
648. static inline int wv_unpack_mono(WavpackFrameContext *s, BitstreamContext *bc,
     ^
649.                                  void *dst, const int type)
650. {

libavcodec/wavpack.c:692:24: Call
690. 
691.         if (type == AV_SAMPLE_FMT_FLTP) {
692.             *dstfl++ = wv_get_value_float(s, &crc_extra_bits, S);
                            ^
693.         } else if (type == AV_SAMPLE_FMT_S32P) {
694.             *dst32++ = wv_get_value_integer(s, &crc_extra_bits, S);

libavcodec/wavpack.c:435:1: Parameter `s->bc_extra_bits.bits_left`
  433. }
  434. 
  435. static float wv_get_value_float(WavpackFrameContext *s, uint32_t *crc, int S)
       ^
  436. {
  437.     union {

libavcodec/wavpack.c:491:17: Call
  489.         exp  = 0;
  490.         if (s->got_extra_bits && (s->float_flag & WV_FLT_ZERO_SENT)) {
  491.             if (bitstream_read_bit(&s->bc_extra_bits)) {
                       ^
  492.                 S = bitstream_read(&s->bc_extra_bits, 23);
  493.                 if (s->float_max_exp >= 25)

libavcodec/bitstream.h:145:1: Parameter `bc->bits_left`
    143. 
    144. /* Return one bit from the buffer. */
    145. static inline unsigned bitstream_read_bit(BitstreamContext *bc)
         ^
    146. {
    147.     if (!bc->bits_left)

libavcodec/bitstream.h:150:12: Call
    148.         refill_64(bc);
    149. 
    150.     return get_val(bc, 1);
                    ^
    151. }
    152. 

libavcodec/bitstream.h:130:1: Parameter `n`
      128. }
      129. 
      130. static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
           ^
      131. {
      132. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:139:5: Assignment
      137.     bc->bits <<= n;
      138. #endif
      139.     bc->bits_left -= n;
               ^
      140. 
      141.     return ret;

libavcodec/wavpack.c:498:28: Call
  496.             } else {
  497.                 if (s->float_flag & WV_FLT_ZERO_SIGN)
  498.                     sign = bitstream_read_bit(&s->bc_extra_bits);
                                  ^
  499.             }
  500.         }

libavcodec/bitstream.h:145:1: Parameter `bc->bits_left`
    143. 
    144. /* Return one bit from the buffer. */
    145. static inline unsigned bitstream_read_bit(BitstreamContext *bc)
         ^
    146. {
    147.     if (!bc->bits_left)

libavcodec/bitstream.h:150:12: Call
    148.         refill_64(bc);
    149. 
    150.     return get_val(bc, 1);
                    ^
    151. }
    152. 

libavcodec/bitstream.h:130:1: <LHS trace>
128. }
129. 
130. static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
     ^
131. {
132. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:130:1: Parameter `bc->bits_left`
      128. }
      129. 
      130. static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
           ^
      131. {
      132. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:130:1: <RHS trace>
128. }
129. 
130. static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
     ^
131. {
132. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:130:1: Parameter `n`
      128. }
      129. 
      130. static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
           ^
      131. {
      132. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:139:5: Binary operation: ([-1, +oo] - 1):unsigned32 by call to `wv_get_value_float` 
      137.     bc->bits <<= n;
      138. #endif
      139.     bc->bits_left -= n;
               ^
      140. 
      141.     return ret;
