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Code Issues Releases Activity

Remove dec1() function

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Originally committed as revision 13504 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak 2008-05-28 20:36:11 +00:00
parent ea813b44a8
commit e05f96285e
1 changed files with 12 additions and 17 deletions
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29
libavcodec/ra144.c
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@ -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++) {