diff options
Diffstat (limited to 'streaminfo.cpp')
| -rw-r--r-- | streaminfo.cpp | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/streaminfo.cpp b/streaminfo.cpp index f21e693..10321c9 100644 --- a/streaminfo.cpp +++ b/streaminfo.cpp @@ -15,8 +15,6 @@ cMarkAdStreamInfo::cMarkAdStreamInfo() bool cMarkAdStreamInfo::FindAC3AudioInfos(MarkAdContext *maContext, uchar *espkt, int eslen) { - if ((!maContext) || (!espkt)) return false; - #pragma pack(1) struct AC3HDR { @@ -42,6 +40,8 @@ unsigned AcMod: 3; }; #pragma pack() + if ((!maContext) || (!espkt)) return false; + if (eslen<(int) sizeof(struct AC3HDR)) return false; struct AC3HDR *ac3hdr = (struct AC3HDR *) espkt; @@ -131,7 +131,8 @@ bool cMarkAdStreamInfo::FindH264VideoInfos(MarkAdContext *maContext, uchar *pkt, if (nalu==NAL_SPS) { - uint8_t nal_data[len]; + uint8_t *nal_data=(uint8_t*) alloca(len); + if (!nal_data) return false; int nal_len = nalUnescape(nal_data, pkt + 5, len - 5); cBitStream bs(nal_data, nal_len); @@ -166,7 +167,7 @@ bool cMarkAdStreamInfo::FindH264VideoInfos(MarkAdContext *maContext, uchar *pkt, { if (next) next = (last + bs.getSeGolomb()) & 0xff; - last = next ?: last; + last = next ? next : last; } } } @@ -408,7 +409,8 @@ bool cMarkAdStreamInfo::FindH264VideoInfos(MarkAdContext *maContext, uchar *pkt, if ((nalu==NAL_SLICE) || (nalu==NAL_IDR_SLICE)) { - uint8_t nal_data[len]; + uint8_t *nal_data=(uint8_t*) alloca(len); + if (!nal_data) return false; int nal_len = nalUnescape(nal_data, pkt + 5, len - 5); cBitStream bs(nal_data, nal_len); |