support h264 extradata with 0x000001 startcode

Originally committed as revision 16627 to svn://svn.ffmpeg.org/ffmpeg/trunk

support h264 extradata with 0x000001 startcode
Originally committed as revision 16627 to svn://svn.ffmpeg.org/ffmpeg/trunk
3700d800 · Baptiste Coudurier · 71e685b0 · 3700d800
Commit 3700d800 authored Jan 16, 2009 by Baptiste Coudurier
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avc.c libavformat/avc.c +2 -1

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--- 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;