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Explicitely set the size of the "ff_asf_head1_guid" header chunk, this is

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part of the spec and causes problems otherwise.

Patch by Zhentan Feng <spyfeng gmail com>.

Originally committed as revision 24362 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Zhentan Feng 2010-07-20 15:11:44 +00:00 committed by Ronald S. Bultje
parent a28cccf6d6
commit d6cc1123e3
1 changed files with 10 additions and 0 deletions
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10
libavformat/mmst.c
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@ -20,6 +20,14 @@
* License along with FFmpeg; if not, write to the Free Software * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/ */
/* References
* MMS protocol specification:
* [1]http://msdn.microsoft.com/en-us/library/cc234711(PROT.10).aspx
* ASF specification. Revision 01.20.03.
* [2]http://msdn.microsoft.com/en-us/library/bb643323.aspx
*/
#include "avformat.h" #include "avformat.h"
#include "internal.h" #include "internal.h"
#include "libavutil/intreadwrite.h" #include "libavutil/intreadwrite.h"
@ -473,6 +481,8 @@ static int asf_header_parser(MMSContext *mms)
dprintf(NULL, "Too many streams.\n"); dprintf(NULL, "Too many streams.\n");
return -1; return -1;
} }
} else if (!memcmp(p, ff_asf_head1_guid, sizeof(ff_asf_guid))) {
chunksize = 46; // see references [2] section 3.4. This should be set 46.
} }
p += chunksize; p += chunksize;
} }