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authorVitor Sessak <vitor1001@gmail.com>2008-06-23 21:00:28 +0000
committerVitor Sessak <vitor1001@gmail.com>2008-06-23 21:00:28 +0000
commit80e9f30c23edae0b036093390be2c44243e2f127 (patch)
treeeb009106061cc9f1d2a71d2d8e2eed33077f528f /libavcodec/ra144.c
parent0a03b6f049cdddbf819f34c33f065a5721dcd525 (diff)
downloadffmpeg-80e9f30c23edae0b036093390be2c44243e2f127.tar.gz
Consistency: make the output buffer the first argument of functions
Originally committed as revision 13934 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/ra144.c')
-rw-r--r--libavcodec/ra144.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/libavcodec/ra144.c b/libavcodec/ra144.c
index 44c90167d6..abf71e701c 100644
--- a/libavcodec/ra144.c
+++ b/libavcodec/ra144.c
@@ -74,7 +74,7 @@ static int t_sqrt(unsigned int x)
* Evaluate the LPC filter coefficients from the reflection coefficients.
* Does the inverse of the eval_refl() function.
*/
-static void eval_coefs(const int *refl, int *coefs)
+static void eval_coefs(int *coefs, const int *refl)
{
int buffer[10];
int *b1 = buffer;
@@ -98,7 +98,7 @@ static void eval_coefs(const int *refl, int *coefs)
* Copy the last offset values of *source to *target. If those values are not
* enough to fill the target buffer, fill it with another copy of those values.
*/
-static void copy_and_dup(const int16_t *source, int16_t *target, int offset)
+static void copy_and_dup(int16_t *target, const int16_t *source, int offset)
{
source += BUFFERSIZE - offset;
@@ -124,8 +124,8 @@ static int irms(const int16_t *data)
return 0x20000000 / (t_sqrt(sum) >> 8);
}
-static void add_wav(int n, int skip_first, int *m, const int16_t *s1,
- const int8_t *s2, const int8_t *s3, int16_t *dest)
+static void add_wav(int16_t *dest, int n, int skip_first, int *m,
+ const int16_t *s1, const int8_t *s2, const int8_t *s3)
{
int i;
int v[3];
@@ -145,7 +145,7 @@ static void add_wav(int n, int skip_first, int *m, const int16_t *s1,
* @param in the input of the filter. It should be an array of size len + 10.
* The 10 first input values are used to evaluate the first filtered one.
*/
-static void lpc_filter(const int16_t *lpc_coefs, uint16_t *in, int len)
+static void lpc_filter(uint16_t *in, const int16_t *lpc_coefs, int len)
{
int x, i;
int16_t *ptr = in;
@@ -214,7 +214,7 @@ static void do_output_subblock(RA144Context *ractx,
if (cba_idx) {
cba_idx += BLOCKSIZE/2 - 1;
- copy_and_dup(ractx->adapt_cb, buffer_a, cba_idx);
+ copy_and_dup(buffer_a, ractx->adapt_cb, cba_idx);
m[0] = (irms(buffer_a) * gval) >> 12;
} else {
m[0] = 0;
@@ -228,15 +228,15 @@ static void do_output_subblock(RA144Context *ractx,
block = ractx->adapt_cb + BUFFERSIZE - BLOCKSIZE;
- add_wav(gain, cba_idx, m, buffer_a, cb1_vects[cb1_idx], cb2_vects[cb2_idx],
- block);
+ add_wav(block, gain, cba_idx, m, buffer_a,
+ cb1_vects[cb1_idx], cb2_vects[cb2_idx]);
memcpy(ractx->curr_sblock, ractx->curr_sblock + 40,
10*sizeof(*ractx->curr_sblock));
memcpy(ractx->curr_sblock + 10, block,
BLOCKSIZE*sizeof(*ractx->curr_sblock));
- lpc_filter(lpc_coefs, ractx->curr_sblock, BLOCKSIZE);
+ lpc_filter(ractx->curr_sblock, lpc_coefs, BLOCKSIZE);
}
static void int_to_int16(int16_t *out, const int *inp)
@@ -254,7 +254,7 @@ static void int_to_int16(int16_t *out, const int *inp)
* @return 1 if one of the reflection coefficients is of magnitude greater than
* 4095, 0 if not.
*/
-static int eval_refl(const int16_t *coefs, int *refl, RA144Context *ractx)
+static int eval_refl(int *refl, const int16_t *coefs, RA144Context *ractx)
{
int retval = 0;
int b, c, i;
@@ -312,7 +312,7 @@ static int interp(RA144Context *ractx, int16_t *out, int block_num,
for (x=0; x<30; x++)
out[x] = (a * ractx->lpc_coef[x] + b * ractx->lpc_coef_old[x])>> 2;
- if (eval_refl(out, work, ractx)) {
+ if (eval_refl(work, out, ractx)) {
// The interpolated coefficients are unstable, copy either new or old
// coefficients
if (copynew) {
@@ -355,7 +355,7 @@ static int ra144_decode_frame(AVCodecContext * avctx,
// "<< 1"? Doesn't this make one value out of two of the table useless?
lpc_refl[i] = lpc_refl_cb[i][get_bits(&gb, sizes[i]) << 1];
- eval_coefs(lpc_refl, ractx->lpc_coef);
+ eval_coefs(ractx->lpc_coef, lpc_refl);
ractx->lpc_refl_rms = rms(lpc_refl);
energy = energy_tab[get_bits(&gb, 5) << 1]; // Useless table entries?