diff options
Diffstat (limited to 'libvpx/vp9/decoder/vp9_dboolhuff.h')
| -rw-r--r-- | libvpx/vp9/decoder/vp9_dboolhuff.h | 23 |
1 files changed, 1 insertions, 22 deletions
diff --git a/libvpx/vp9/decoder/vp9_dboolhuff.h b/libvpx/vp9/decoder/vp9_dboolhuff.h index b50aa35..c46dd73 100644 --- a/libvpx/vp9/decoder/vp9_dboolhuff.h +++ b/libvpx/vp9/decoder/vp9_dboolhuff.h @@ -22,11 +22,6 @@ typedef size_t VP9_BD_VALUE; #define VP9_BD_VALUE_SIZE ((int)sizeof(VP9_BD_VALUE)*CHAR_BIT) -// This is meant to be a large, positive constant that can still be efficiently -// loaded as an immediate (on platforms like ARM, for example). -// Even relatively modest values like 100 would work fine. -#define VP9_LOTS_OF_BITS 0x40000000 - typedef struct { const uint8_t *buffer_end; const uint8_t *buffer; @@ -93,22 +88,6 @@ static int vp9_read_literal(vp9_reader *br, int bits) { return z; } -static int vp9_reader_has_error(vp9_reader *r) { - // Check if we have reached the end of the buffer. - // - // Variable 'count' stores the number of bits in the 'value' buffer, minus - // 8. The top byte is part of the algorithm, and the remainder is buffered - // to be shifted into it. So if count == 8, the top 16 bits of 'value' are - // occupied, 8 for the algorithm and 8 in the buffer. - // - // When reading a byte from the user's buffer, count is filled with 8 and - // one byte is filled into the value buffer. When we reach the end of the - // data, count is additionally filled with VP9_LOTS_OF_BITS. So when - // count == VP9_LOTS_OF_BITS - 1, the user's data has been exhausted. - // - // 1 if we have tried to decode bits after the end of stream was encountered. - // 0 No error. - return r->count > VP9_BD_VALUE_SIZE && r->count < VP9_LOTS_OF_BITS; -} +int vp9_reader_has_error(vp9_reader *r); #endif // VP9_DECODER_VP9_DBOOLHUFF_H_ |