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authorVitor Sessak <vitor1001@gmail.com>2008-05-28 20:36:11 +0000
committerVitor Sessak <vitor1001@gmail.com>2008-05-28 20:36:11 +0000
commite05f96285e9b6fd950ffb89d7cb4666cbd55967c (patch)
treed3e7f0d7f9dd61bb18e96d5776b686653d4f58f1
parentea813b44a81b799bc671c15b3f86c92a95d52e67 (diff)
Remove dec1() function
Originally committed as revision 13504 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r--libavcodec/ra144.c29
1 files changed, 12 insertions, 17 deletions
diff --git a/libavcodec/ra144.c b/libavcodec/ra144.c
index 104c260417..caeb7df52f 100644
--- a/libavcodec/ra144.c
+++ b/libavcodec/ra144.c
@@ -242,16 +242,6 @@ static void do_output_subblock(RA144Context *ractx,
final(gsp, block, output_buffer, ractx->buffer, BLOCKSIZE);
}
-static int dec1(int16_t *decsp, const int *data, const int16_t *inp, int f)
-{
- int i;
-
- for (i=0; i<30; i++)
- *(decsp++) = *(inp++);
-
- return rms(data, f);
-}
-
static int eq(const int16_t *in, int *target)
{
int retval = 0;
@@ -311,10 +301,13 @@ static int dec2(RA144Context *ractx, int16_t *decsp, int block_num,
if (eq(decsp, work)) {
// The interpolated coefficients are unstable, copy either new or old
// coefficients
- if (copynew)
- return dec1(decsp, ractx->lpc_refl, ractx->lpc_coef, f);
- else
- return dec1(decsp, ractx->lpc_refl_old, ractx->lpc_coef_old, f);
+ if (copynew) {
+ memcpy(decsp, ractx->lpc_coef, 30*sizeof(*decsp));
+ return rms(ractx->lpc_refl, f);
+ } else {
+ memcpy(decsp, ractx->lpc_coef_old, 30*sizeof(*decsp));
+ return rms(ractx->lpc_refl_old, f);
+ }
} else {
return rms(work, f);
}
@@ -326,14 +319,16 @@ static int ra144_decode_frame(AVCodecContext * avctx,
const uint8_t * buf, int buf_size)
{
static const uint8_t sizes[10] = {6, 5, 5, 4, 4, 3, 3, 3, 3, 2};
+ RA144Context *ractx = avctx->priv_data;
unsigned int gbuf1[4];
- uint16_t gbuf2[4][30];
+ uint16_t coef_table[3][30];
+ uint16_t *gbuf2[4] =
+ {coef_table[0], coef_table[1], coef_table[2], ractx->lpc_coef};
unsigned int a, c;
int i;
int16_t *data = vdata;
unsigned int energy;
- RA144Context *ractx = avctx->priv_data;
GetBitContext gb;
if(buf_size < 20) {
@@ -355,7 +350,7 @@ static int ra144_decode_frame(AVCodecContext * avctx,
gbuf1[0] = dec2(ractx, gbuf2[0], 0, 0, ractx->old_energy);
gbuf1[1] = dec2(ractx, gbuf2[1], 1, energy > ractx->old_energy, a);
gbuf1[2] = dec2(ractx, gbuf2[2], 2, 1, energy);
- gbuf1[3] = dec1(gbuf2[3], ractx->lpc_refl, ractx->lpc_coef, energy);
+ gbuf1[3] = rms(ractx->lpc_refl, energy);
/* do output */
for (c=0; c<4; c++) {