libavcodec/motionpixels.c:123: error: Integer Overflow L2
  ([0, max(64, `bc->bits_left`)] - 1):unsigned32 by call to `bitstream_read_bit`.

libavcodec/motionpixels.c:120:1: Parameter `bc->bits_left`
118. }
119. 
120. static void mp_get_code(MotionPixelsContext *mp, BitstreamContext *bc,
     ^
121.                         int size, int code)
122. {

libavcodec/motionpixels.c:123:12: Call
121.                         int size, int code)
122. {
123.     while (bitstream_read_bit(bc)) {
                ^
124.         ++size;
125.         if (size > mp->max_codes_bits) {

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, max(64, bc->bits_left)] - 1):unsigned32 by call to `bitstream_read_bit` 
    137.     bc->bits <<= n;
    138. #endif
    139.     bc->bits_left -= n;
             ^
    140. 
    141.     return ret;

static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
{
#ifdef BITSTREAM_READER_LE
    uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);
    bc->bits >>= n;
#else
    uint64_t ret = bc->bits >> (64 - n);
    bc->bits <<= n;
#endif
    bc->bits_left -= n;
    return ret;
}
['static void mp_get_code(MotionPixelsContext *mp, BitstreamContext *bc,\n                        int size, int code)\n{\n    while (bitstream_read_bit(bc)) {\n        ++size;\n        if (size > mp->max_codes_bits) {\n            av_log(mp->avctx, AV_LOG_ERROR, "invalid code size %d/%d\\n", size, mp->max_codes_bits);\n            return;\n        }\n        code <<= 1;\n        mp_get_code(mp, bc, size, code + 1);\n    }\n    if (mp->current_codes_count >= MAX_HUFF_CODES) {\n        av_log(mp->avctx, AV_LOG_ERROR, "too many codes\\n");\n        return;\n    }\n    mp->codes[mp->current_codes_count  ].code = code;\n    mp->codes[mp->current_codes_count++].size = size;\n}', 'static inline unsigned bitstream_read_bit(BitstreamContext *bc)\n{\n    if (!bc->bits_left)\n        refill_64(bc);\n    return get_val(bc, 1);\n}', 'static inline uint64_t get_val(BitstreamContext *bc, unsigned n)\n{\n#ifdef BITSTREAM_READER_LE\n    uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);\n    bc->bits >>= n;\n#else\n    uint64_t ret = bc->bits >> (64 - n);\n    bc->bits <<= n;\n#endif\n    bc->bits_left -= n;\n    return ret;\n}']