libavformat/srtpproto.c:73: error: Buffer Overrun L3
  Offset: [-43, 79] Size: 80 by call to `ff_srtp_set_crypto`.

libavformat/srtpproto.c:73:20: Call
71. 
72.     if (s->out_suite && s->out_params)
73.         if ((ret = ff_srtp_set_crypto(&s->srtp_out, s->out_suite, s->out_params)) < 0)
                       ^
74.             goto fail;
75.     if (s->in_suite && s->in_params)

libavformat/srtp.c:64:1: Parameter `*params`
  62. }
  63. 
  64. int ff_srtp_set_crypto(struct SRTPContext *s, const char *suite,
      ^
  65.                        const char *params)
  66. {

libavformat/srtp.c:81:9: Call
  79.         return AVERROR(EINVAL);
  80.     }
  81.     if (av_base64_decode(buf, params, sizeof(buf)) != sizeof(buf)) {
              ^
  82.         av_log(NULL, AV_LOG_WARNING, "Incorrect amount of SRTP params\n");
  83.         return AVERROR(EINVAL);

libavutil/base64.c:45:1: <Offset trace>
43. };
44. 
45. int av_base64_decode(uint8_t *out, const char *in, int out_size)
    ^
46. {
47.     int i;

libavutil/base64.c:45:1: Parameter `*in`
    43. };
    44. 
    45. int av_base64_decode(uint8_t *out, const char *in, int out_size)
        ^
    46. {
    47.     int i;

libavutil/base64.c:52:9: Assignment
    50. 
    51.     for (i = 0; in[i] && in[i] != '='; i++) {
    52.         unsigned int index= in[i]-43;
                ^
    53.         if (index>=FF_ARRAY_ELEMS(map2) || map2[index] == 0xff)
    54.             return -1;

libavutil/base64.c:31:1: <Length trace>
29. 
30. /* ---------------- private code */
31. static const uint8_t map2[] =
    ^
32. {
33.     0x3e, 0xff, 0xff, 0xff, 0x3f, 0x34, 0x35, 0x36,

libavutil/base64.c:31:1: Array declaration
    29. 
    30. /* ---------------- private code */
    31. static const uint8_t map2[] =
        ^
    32. {
    33.     0x3e, 0xff, 0xff, 0xff, 0x3f, 0x34, 0x35, 0x36,

libavutil/base64.c:55:24: Array access: Offset: [-43, 79] Size: 80 by call to `ff_srtp_set_crypto` 
    53.         if (index>=FF_ARRAY_ELEMS(map2) || map2[index] == 0xff)
    54.             return -1;
    55.         v = (v << 6) + map2[index];
                               ^
    56.         if (i & 3) {
    57.             if (dst - out < out_size) {
