libavcodec/eatgq.c:65: error: Integer Overflow L2
  ([1, +oo] - 8):unsigned32 by call to `bitstream_read_signed`.

libavcodec/eatgq.c:65:16: Call
63.     uint8_t *perm = s->scantable.permutated;
64.     int i, j, value;
65.     block[0] = bitstream_read_signed(bc, 8) * s->qtable[0];
                   ^
66.     for (i = 1; i < 64;) {
67.         switch (bitstream_peek(bc, 3)) {

libavcodec/bitstream.h:199:1: Parameter `n`
  197. /* Return n bits from the buffer as a signed integer.
  198.  * n has to be in the 0-32 range. */
  199. static inline int32_t bitstream_read_signed(BitstreamContext *bc, unsigned n)
       ^
  200. {
  201.     return sign_extend(bitstream_read(bc, n), n);

libavcodec/bitstream.h:201:24: Call
  199. static inline int32_t bitstream_read_signed(BitstreamContext *bc, unsigned n)
  200. {
  201.     return sign_extend(bitstream_read(bc, n), n);
                              ^
  202. }
  203. 

libavcodec/bitstream.h:183:1: Parameter `n`
    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/bitstream.h:194:12: Call
    192.     }
    193. 
    194.     return get_val(bc, n);
                    ^
    195. }
    196. 

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] - 8):unsigned32 by call to `bitstream_read_signed` 
      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 tgq_decode_block(TgqContext *s, int16_t block[64], BitstreamContext *bc)\n{\n    uint8_t *perm = s->scantable.permutated;\n    int i, j, value;\n    block[0] = bitstream_read_signed(bc, 8) * s->qtable[0];\n    for (i = 1; i < 64;) {\n        switch (bitstream_peek(bc, 3)) {\n        case 4:\n            block[perm[i++]] = 0;\n        case 0:\n            block[perm[i++]] = 0;\n            bitstream_skip(bc, 3);\n            break;\n        case 5:\n        case 1:\n            bitstream_skip(bc, 2);\n            value = bitstream_read(bc, 6);\n            for (j = 0; j < value; j++)\n                block[perm[i++]] = 0;\n            break;\n        case 6:\n            bitstream_skip(bc, 3);\n            block[perm[i]] = -s->qtable[perm[i]];\n            i++;\n            break;\n        case 2:\n            bitstream_skip(bc, 3);\n            block[perm[i]] = s->qtable[perm[i]];\n            i++;\n            break;\n        case 7:\n        case 3:\n            bitstream_skip(bc, 2);\n            if (bitstream_peek(bc, 6) == 0x3F) {\n                bitstream_skip(bc, 6);\n                block[perm[i]] = bitstream_read_signed(bc, 8) * s->qtable[perm[i]];\n            } else {\n                block[perm[i]] = bitstream_read_signed(bc, 6) * s->qtable[perm[i]];\n            }\n            i++;\n            break;\n        }\n    }\n    block[0] += 128 << 4;\n}', 'static inline int32_t bitstream_read_signed(BitstreamContext *bc, unsigned n)\n{\n    return sign_extend(bitstream_read(bc, n), n);\n}', 'static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned n)\n{\n    if (!n)\n        return 0;\n    if (n > bc->bits_left) {\n        refill_32(bc);\n        if (bc->bits_left < 32)\n            bc->bits_left = n;\n    }\n    return get_val(bc, n);\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}']