Module: libav Branch: master Commit: b44b41633f110e9d938165e0f79c9d32191fc135
Author: Ronald S. Bultje <[email protected]> Committer: Ronald S. Bultje <[email protected]> Date: Wed Feb 22 12:09:33 2012 -0800 get_bits: add HAVE_BITS_REMAINING macro. --- libavcodec/get_bits.h | 15 ++++++++++++++- 1 files changed, 14 insertions(+), 1 deletions(-) diff --git a/libavcodec/get_bits.h b/libavcodec/get_bits.h index 158e6d2..64393bc 100644 --- a/libavcodec/get_bits.h +++ b/libavcodec/get_bits.h @@ -120,10 +120,23 @@ for examples see get_bits, show_bits, skip_bits, get_vlc # define MIN_CACHE_BITS 25 #endif +#if UNCHECKED_BITSTREAM_READER #define OPEN_READER(name, gb) \ unsigned int name##_index = (gb)->index; \ unsigned int av_unused name##_cache = 0 +#define HAVE_BITS_REMAINING(name, gb) 1 +#else +#define OPEN_READER(name, gb) \ + unsigned int name##_index = (gb)->index; \ + unsigned int av_unused name##_cache = 0; \ + unsigned int av_unused name##_size_plus8 = \ + (gb)->size_in_bits_plus8 + +#define HAVE_BITS_REMAINING(name, gb) \ + name##_index < name##_size_plus8 +#endif + #define CLOSE_READER(name, gb) (gb)->index = name##_index #ifdef BITSTREAM_READER_LE @@ -156,7 +169,7 @@ for examples see get_bits, show_bits, skip_bits, get_vlc # define SKIP_COUNTER(name, gb, num) name##_index += (num) #else # define SKIP_COUNTER(name, gb, num) \ - name##_index = FFMIN((gb)->size_in_bits_plus8, name##_index + (num)) + name##_index = FFMIN(name##_size_plus8, name##_index + (num)) #endif #define SKIP_BITS(name, gb, num) do { \ _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
