Karthick J
Carl Eugen Hoyos
8 years ago
1 changed files with 1 additions and 9 deletions
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+ 1
- 9
libavdevice/decklink_dec.cpp
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| @@ -106,14 +106,6 @@ static int get_vanc_line_idx(BMDDisplayMode mode) | |||||
| return i - 1; | return i - 1; | ||||
| } | } | ||||
| static inline uint16_t parity (uint16_t x) | |||||
| { | |||||
| uint16_t i; | |||||
| for (i = 4 * sizeof (x); i > 0; i /= 2) | |||||
| x ^= x >> i; | |||||
| return x & 1; | |||||
| } | |||||
| static inline void clear_parity_bits(uint16_t *buf, int len) { | static inline void clear_parity_bits(uint16_t *buf, int len) { | ||||
| int i; | int i; | ||||
| for (i = 0; i < len; i++) | for (i = 0; i < len; i++) | ||||
| @@ -126,7 +118,7 @@ static int check_vanc_parity_checksum(uint16_t *buf, int len, uint16_t checksum) | |||||
| for (i = 3; i < len - 1; i++) { | for (i = 3; i < len - 1; i++) { | ||||
| uint16_t v = buf[i]; | uint16_t v = buf[i]; | ||||
| int np = v >> 8; | int np = v >> 8; | ||||
| int p = parity(v & 0xff); | |||||
| int p = av_parity(v & 0xff); | |||||
| if ((!!p ^ !!(v & 0x100)) || (np != 1 && np != 2)) { | if ((!!p ^ !!(v & 0x100)) || (np != 1 && np != 2)) { | ||||
| // Parity check failed | // Parity check failed | ||||
| return -1; | return -1; | ||||