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author | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2009-09-08 08:30:56 +0000 |
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committer | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2009-09-08 08:30:56 +0000 |
commit | 17f0c3be8ecbf3555d763007bd51583ad3f63cc0 (patch) | |
tree | a4bd604fe0ed006e82b9326c7ab96dd19bd4b22a /libavcodec/get_bits.h | |
parent | e4bc8af1e687efb2a2c41a469ac7b31f1c3d48cd (diff) | |
download | ffmpeg-17f0c3be8ecbf3555d763007bd51583ad3f63cc0.tar.gz |
Try to clarify that anyone using get_bits must check for buffer overrun
themselves, get_bits does not do anything in that regard.
Originally committed as revision 19794 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/get_bits.h')
-rw-r--r-- | libavcodec/get_bits.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/get_bits.h b/libavcodec/get_bits.h index 877f909a74..19333c2f78 100644 --- a/libavcodec/get_bits.h +++ b/libavcodec/get_bits.h @@ -489,6 +489,9 @@ static inline int check_marker(GetBitContext *s, const char *msg) * @param buffer bitstream buffer, must be FF_INPUT_BUFFER_PADDING_SIZE bytes larger then the actual read bits * because some optimized bitstream readers read 32 or 64 bit at once and could read over the end * @param bit_size the size of the buffer in bits + * + * While GetBitContext stores the buffer size, for performance reasons you are + * responsible for checking for the buffer end yourself (take advantage of the padding)! */ static inline void init_get_bits(GetBitContext *s, const uint8_t *buffer, int bit_size) |