libavcodec/takdec.c:617: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned32 by call to `bitstream_read_bit`.

libavcodec/takdec.c:615:24: Call
613.             return AVERROR_INVALIDDATA;
614. 
615.         dshift       = bits_esc4(bc);
                            ^
616.         filter_order = 8 << bitstream_read_bit(bc);
617.         dval1        = bitstream_read_bit(bc);

libavcodec/takdec.c:370:16: Call
  368. {
  369.     if (bitstream_read_bit(bc))
  370.         return bitstream_read(bc, 4) + 1;
                      ^
  371.     else
  372.         return 0;

libavcodec/bitstream.h:183:1: Parameter `bc->bits_left`
    181. 
    182. /* Return n bits from the buffer. n has to be in the 0-32 range. */
    183. static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned n)
         ^
    184. {
    185.     if (!n)

libavcodec/takdec.c:616:29: Call
614. 
615.         dshift       = bits_esc4(bc);
616.         filter_order = 8 << bitstream_read_bit(bc);
                                 ^
617.         dval1        = bitstream_read_bit(bc);
618.         dval2        = bitstream_read_bit(bc);

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/takdec.c:617:24: Call
615.         dshift       = bits_esc4(bc);
616.         filter_order = 8 << bitstream_read_bit(bc);
617.         dval1        = bitstream_read_bit(bc);
                            ^
618.         dval2        = bitstream_read_bit(bc);
619. 

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: ([0, +oo] - 1):unsigned32 by call to `bitstream_read_bit` 
    137.     bc->bits <<= n;
    138. #endif
    139.     bc->bits_left -= n;
             ^
    140. 
    141.     return ret;
