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authorJohan Dahlin <johan@gnome.org>2004-03-15 16:32:54 +0000
committerJohan Dahlin <johan@gnome.org>2004-03-15 16:32:54 +0000
commit39fd8a2dbd436cbabe5e336d1145b62c2a885ed5 (patch)
tree61df7da4a9d2b8bdb853af50a27219a8921bf5e4 /ext/tarkin/golomb.h
parent1633bd8693c54cbc5f6648703a7ecf01548ec55f (diff)
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*.h: Revert indenting
Original commit message from CVS: * *.h: Revert indenting
Diffstat (limited to 'ext/tarkin/golomb.h')
-rw-r--r--ext/tarkin/golomb.h134
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
+