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author | Johan Dahlin <johan@gnome.org> | 2004-03-15 16:32:54 +0000 |
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committer | Johan Dahlin <johan@gnome.org> | 2004-03-15 16:32:54 +0000 |
commit | 39fd8a2dbd436cbabe5e336d1145b62c2a885ed5 (patch) | |
tree | 61df7da4a9d2b8bdb853af50a27219a8921bf5e4 /ext/tarkin/golomb.h | |
parent | 1633bd8693c54cbc5f6648703a7ecf01548ec55f (diff) | |
download | gst-plugins-bad-39fd8a2dbd436cbabe5e336d1145b62c2a885ed5.tar.gz gst-plugins-bad-39fd8a2dbd436cbabe5e336d1145b62c2a885ed5.tar.bz2 gst-plugins-bad-39fd8a2dbd436cbabe5e336d1145b62c2a885ed5.zip |
*.h: Revert indenting
Original commit message from CVS:
* *.h: Revert indenting
Diffstat (limited to 'ext/tarkin/golomb.h')
-rw-r--r-- | ext/tarkin/golomb.h | 134 |
1 files changed, 68 insertions, 66 deletions
diff --git a/ext/tarkin/golomb.h b/ext/tarkin/golomb.h index 47c23b44..95e63c30 100644 --- a/ext/tarkin/golomb.h +++ b/ext/tarkin/golomb.h @@ -5,126 +5,128 @@ #include "bitcoder.h" -static inline unsigned int -required_bits (unsigned int x) +static inline +unsigned int required_bits (unsigned int x) { - int bits = 31; + int bits = 31; - while ((x & (1 << bits)) == 0 && bits) - bits--; + while ((x & (1 << bits)) == 0 && bits) + bits--; - return bits; + return bits; } -static inline void -write_number_binary (BitCoderState * b, unsigned int x, int bits, int u) +static inline +void write_number_binary (BitCoderState *b, unsigned int x, int bits, int u) { /*printf ("wrote %i with %i bits (%i+%i)\n", x, u+bits, u, bits); */ - while (bits) { - bits--; - bitcoder_write_bit (b, (x >> bits) & 1); - } + while (bits) { + bits--; + bitcoder_write_bit (b, (x >> bits) & 1); + } } -static inline unsigned int -read_number_binary (BitCoderState * b, int bits) +static inline +unsigned int read_number_binary (BitCoderState *b, int bits) { - unsigned int x = 0; + unsigned int x = 0; - while (bits) { - bits--; - x |= bitcoder_read_bit (b) << bits; - } + while (bits) { + bits--; + x |= bitcoder_read_bit (b) << bits; + } - return x; + return x; } -static inline void -golomb_write_number (BitCoderState * b, unsigned int x, int bits) +static inline +void golomb_write_number (BitCoderState *b, unsigned int x, int bits) { - unsigned int q, r; - int i = 0; + unsigned int q, r; +int i = 0; - assert (x > 0); + assert (x > 0); - while ((q = (x - 1) >> bits) > 0) { - bitcoder_write_bit (b, 1); /* fast temporary adaption, write */ - bits++; /* unary representation of q */ - i++; - }; + while ((q = (x - 1) >> bits) > 0) { + bitcoder_write_bit (b, 1); /* fast temporary adaption, write */ + bits++; /* unary representation of q */ +i++; + }; - bitcoder_write_bit (b, 0); + bitcoder_write_bit (b, 0); - r = x - 1 - (q << bits); + r = x - 1 - (q << bits); - write_number_binary (b, r, bits, i + 1); + write_number_binary (b, r, bits, i+1); } -static inline unsigned int -golomb_read_number (BitCoderState * b, int bits) +static inline +unsigned int golomb_read_number (BitCoderState *b, int bits) { - unsigned int q = 0, r, x; + unsigned int q = 0, r, x; - while (bitcoder_read_bit (b) != 0) { - bits++; - } + while (bitcoder_read_bit (b) != 0) { + bits++; + } - r = read_number_binary (b, bits); - x = (q << bits) + r + 1; + r = read_number_binary (b, bits); + x = (q << bits) + r + 1; - return x; + return x; } -typedef struct -{ - uint8_t count; - uint8_t bits; /* a 5.3 fixed point integer */ +typedef struct { + uint8_t count; + uint8_t bits; /* a 5.3 fixed point integer */ } GolombAdaptiveCoderState; #define GOLOMB_ADAPTIVE_CODER_STATE_INITIALIZER { 8<<3, 0 } -static const int golomb_w_tab[] = { 256, 128, 64 }; +static const int golomb_w_tab [] = { 256, 128, 64 }; -static inline void -golombcoder_encode_number (GolombAdaptiveCoderState * g, - BitCoderState * b, unsigned int x) +static inline +void golombcoder_encode_number (GolombAdaptiveCoderState *g, + BitCoderState *b, + unsigned int x) { - golomb_write_number (b, x, g->bits >> 3); + golomb_write_number (b, x, g->bits >> 3); - g->bits = ((256 - golomb_w_tab[g->count]) * (int) g->bits + - golomb_w_tab[g->count] * (required_bits (x) << 3)) / 256; - g->count++; + g->bits = ((256 - golomb_w_tab[g->count]) * (int) g->bits + + golomb_w_tab[g->count] * (required_bits(x)<<3)) / 256; + g->count++; - if (g->count > 2) - g->count = 2; + if (g->count > 2) + g->count = 2; } -static inline unsigned int -golombcoder_decode_number (GolombAdaptiveCoderState * g, BitCoderState * b) +static inline +unsigned int golombcoder_decode_number (GolombAdaptiveCoderState *g, + BitCoderState *b) { - unsigned int x; + unsigned int x; - x = golomb_read_number (b, g->bits >> 3); + x = golomb_read_number (b, g->bits >> 3); - g->bits = ((256 - golomb_w_tab[g->count]) * g->bits + - golomb_w_tab[g->count] * (required_bits (x) << 3)) / 256; - g->count++; + g->bits = ((256 - golomb_w_tab[g->count]) * g->bits + + golomb_w_tab[g->count] * (required_bits(x)<<3)) / 256; + g->count++; - if (g->count > 2) - g->count = 2; + if (g->count > 2) + g->count = 2; - return x; + return x; } #endif + |