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Make tables that fit in one byte (u)int8_t

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Originally committed as revision 13375 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak
2008-05-25 13:25:10 +00:00
parent cb24827f4d
commit 0a08273542
2 changed files with 6 additions and 5 deletions
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5
libavcodec/ra144.c
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@@ -120,11 +120,12 @@ static int irms(const short *data, int factor)
/* multiply/add wavetable */ /* multiply/add wavetable */
static void add_wav(int n, int f, int m1, int m2, int m3, const short *s1, static void add_wav(int n, int f, int m1, int m2, int m3, const short *s1,
const short *s2, const short *s3, short *dest) const int8_t *s2, const int8_t *s3, short *dest)
{ {
int a = 0; int a = 0;
int b, c, i; int b, c, i;
const short *ptr, *ptr2; const short *ptr;
const uint8_t *ptr2;
ptr = wavtable1[n]; ptr = wavtable1[n];
ptr2 = wavtable2[n]; ptr2 = wavtable2[n];

6
libavcodec/ra144.h
View File

@@ -282,7 +282,7 @@ static const signed short wavtable1[256][9] = {
{ 814, 744, 543, -592, -865, -790, -648, -541, -577} { 814, 744, 543, -592, -865, -790, -648, -541, -577}
}; };
static const unsigned short wavtable2[256][9] = { static const uint8_t wavtable2[256][9] = {
{14, 14, 14, 20, 20, 19, 21, 20, 20}, {14, 14, 14, 20, 20, 19, 21, 20, 20},
{14, 14, 14, 20, 20, 20, 20, 21, 21}, {14, 14, 14, 20, 20, 20, 20, 21, 21},
{14, 13, 14, 18, 20, 19, 21, 18, 21}, {14, 13, 14, 18, 20, 19, 21, 18, 21},
@@ -541,7 +541,7 @@ static const unsigned short wavtable2[256][9] = {
{ 8, 11, 10, 10, 10, 13, 8, 14, 13} { 8, 11, 10, 10, 10, 13, 8, 14, 13}
}; };
static const signed short etable1[128][40]={ static const int8_t etable1[128][40]={
{ {
38, -4, 15, -4, 14, -13, 12, -11, -2, -6, 38, -4, 15, -4, 14, -13, 12, -11, -2, -6,
-6, -11, -45, -16, -11, -13, -7, 6, -12, 4, -6, -11, -45, -16, -11, -13, -7, 6, -12, 4,
@@ -1185,7 +1185,7 @@ static const signed short etable1[128][40]={
} }
}; };
static const signed short etable2[128][40]={ static const int8_t etable2[128][40]={
{ {
73, -32, -60, -15, -26, 59, 2, -33, 30, -10, 73, -32, -60, -15, -26, 59, 2, -33, 30, -10,
-3, -17, 8, 30, -1, -26, -4, -22, 10, 16, -3, -17, 8, 30, -1, -26, -4, -22, 10, 16,