libavcodec/mimic.c:235: error: Integer Overflow L2
  ([1, +oo] - 8):unsigned32 by call to `bitstream_read`.

libavcodec/mimic.c:235:16: Call
233.     ctx->bdsp.clear_block(block);
234. 
235.     block[0] = bitstream_read(&ctx->bc, 8) << 3;
                    ^
236. 
237.     for (pos = 1; pos < num_coeffs; pos++) {

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` 
    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 int vlc_decode_block(MimicContext *ctx, int num_coeffs, int qscale)\n{\n    int16_t *block = ctx->dct_block;\n    unsigned int pos;\n    ctx->bdsp.clear_block(block);\n    block[0] = bitstream_read(&ctx->bc, 8) << 3;\n    for (pos = 1; pos < num_coeffs; pos++) {\n        uint32_t vlc, num_bits;\n        int value;\n        int coeff;\n        vlc = bitstream_read_vlc(&ctx->bc, ctx->vlc.table, ctx->vlc.bits, 3);\n        if (!vlc)\n            return 0;\n        if (vlc == -1)\n            return AVERROR_INVALIDDATA;\n        pos     += vlc & 15;\n        num_bits = vlc >> 4;\n        if (pos >= 64)\n            return AVERROR_INVALIDDATA;\n        value = bitstream_read(&ctx->bc, num_bits);\n        coeff = vlcdec_lookup[num_bits][value];\n        if (pos < 3)\n            coeff <<= 4;\n        else\n            coeff = (coeff * qscale) / 1001;\n        block[ctx->scantable.permutated[pos]] = coeff;\n    }\n    return 0;\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}']