libavcodec/indeo5.c:403: error: Integer Overflow L2
  ([0, +oo] - 1):unsigned32 by call to `bitstream_read_bit`.

libavcodec/indeo5.c:398:11: Call
396. 
397.     /* decode block huffman codebook */
398.     ret = ff_ivi_dec_huff_desc(&ctx->bc, band_flags & 0x80, IVI_BLK_HUFF,
               ^
399.                                &band->blk_vlc, avctx);
400.     if (ret < 0)

libavcodec/ivi.c:228:1: Parameter `bc->bits_left`
  226. }
  227. 
  228. int ff_ivi_dec_huff_desc(BitstreamContext *bc, int desc_coded, int which_tab,
       ^
  229.                          IVIHuffTab *huff_tab, AVCodecContext *avctx)
  230. {

libavcodec/indeo5.c:403:30: Call
401.         return ret;
402. 
403.     band->checksum_present = bitstream_read_bit(&ctx->bc);
                                  ^
404.     if (band->checksum_present)
405.         band->checksum = bitstream_read(&ctx->bc, 16);

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;
