support h264 extradata with 0x000001 startcode

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@16627 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

diff --git a/libavformat/avc.c b/libavformat/avc.c
index cd15ca7ce7115c3a9a64a04c58764142f2db1995..6ecea38a4752251a1b7332f87c4c308163af2dd9 100644 (file)
--- a/libavformat/avc.c
+++ b/libavformat/avc.c
@@ -97,7 +97,8 @@ int ff_isom_write_avcc(ByteIOContext *pb, const uint8_t *data, int len)
 {
     if (len > 6) {
         /* check for h264 start code */
-        if (AV_RB32(data) == 0x00000001) {
+        if (AV_RB32(data) == 0x00000001 ||
+            AV_RB24(data) == 0x000001) {
             uint8_t *buf=NULL, *end, *start;
             uint32_t sps_size=0, pps_size=0;
             uint8_t *sps=0, *pps=0;