libavcodec/eamad.c:207: error: Integer Overflow L2
  ([-1, +oo] - 1):unsigned32 by call to `decode_motion`.

libavcodec/eamad.c:206:26: Call
204.         int v = bitstream_decode210(&s->bc);
205.         if (v < 2) {
206.             mv_map = v ? bitstream_read(&s->bc, 6) : 63;
                              ^
207.             mv_x = decode_motion(&s->bc);
208.             mv_y = decode_motion(&s->bc);

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/eamad.c:207:20: Call
205.         if (v < 2) {
206.             mv_map = v ? bitstream_read(&s->bc, 6) : 63;
207.             mv_x = decode_motion(&s->bc);
                        ^
208.             mv_y = decode_motion(&s->bc);
209.         } else {

libavcodec/eamad.c:185:1: Parameter `bc->bits_left`
  183. }
  184. 
  185. static int decode_motion(BitstreamContext *bc)
       ^
  186. {
  187.     int value = 0;

libavcodec/eamad.c:189:9: Call
  187.     int value = 0;
  188. 
  189.     if (bitstream_read_bit(bc)) {
               ^
  190.         if (bitstream_read_bit(bc))
  191.             value = -17;

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/eamad.c:190:13: Call
  188. 
  189.     if (bitstream_read_bit(bc)) {
  190.         if (bitstream_read_bit(bc))
                   ^
  191.             value = -17;
  192.         value += bitstream_read(bc, 4) + 1;

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 `decode_motion` 
      137.     bc->bits <<= n;
      138. #endif
      139.     bc->bits_left -= n;
               ^
      140. 
      141.     return ret;
