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Replace comments by error messages. 

Thanks to Mkhodor for the tip.

Originally committed as revision 13609 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak 2008-06-01 19:51:33 +00:00
parent c2a14bd72e
commit 2d73e6c8d7
1 changed files with 15 additions and 11 deletions
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26
libavcodec/ra144.c
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@ -174,7 +174,7 @@ static void final(const int16_t *i1, const int16_t *i2,
memcpy(statbuf, work + 40, 20);
}
static unsigned int rms(const int *data, int f)
static unsigned int rms(const int *data, int f, RA144Context *ractx)
{
int x;
unsigned int res = 0x10000;
@ -186,8 +186,10 @@ static unsigned int rms(const int *data, int f)
if (res == 0)
return 0;
if (res > 0x10000)
return 0; /* We're screwed, might as well go out with a bang. :P */
if (res > 0x10000) {
av_log(ractx, AV_LOG_ERROR, "Overflow. Broken sample?\n");
return 0;
}
while (res <= 0x3fff) {
b++;
@ -254,7 +256,7 @@ static void int_to_int16(int16_t *decsp, 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)
static int eval_refl(const int16_t *coefs, int *refl, RA144Context *ractx)
{
int retval = 0;
int b, c, i;
@ -269,8 +271,10 @@ static int eval_refl(const int16_t *coefs, int *refl)
u = refl[9] = bp2[9];
if (u + 0x1000 > 0x1fff)
return 0; /* We're screwed, might as well go out with a bang. :P */
if (u + 0x1000 > 0x1fff) {
av_log(ractx, AV_LOG_ERROR, "Overflow. Broken sample?\n");
return 0;
}
for (c=8; c >= 0; c--) {
if (u == 0x1000)
@ -310,18 +314,18 @@ static int interp(RA144Context *ractx, int16_t *decsp, int block_num,
for (x=0; x<30; x++)
decsp[x] = (a * ractx->lpc_coef[x] + b * ractx->lpc_coef_old[x])>> 2;
if (eval_refl(decsp, work)) {
if (eval_refl(decsp, work, ractx)) {
// The interpolated coefficients are unstable, copy either new or old
// coefficients
if (copynew) {
int_to_int16(decsp, ractx->lpc_coef);
return rms(ractx->lpc_refl, energy);
return rms(ractx->lpc_refl, energy, ractx);
} else {
int_to_int16(decsp, ractx->lpc_coef_old);
return rms(ractx->lpc_refl_old, energy);
return rms(ractx->lpc_refl_old, energy, ractx);
}
} else {
return rms(work, energy);
return rms(work, energy, ractx);
}
}
@ -359,7 +363,7 @@ static int ra144_decode_frame(AVCodecContext * avctx,
refl_rms[1] = interp(ractx, block_coefs[1], 1, energy > ractx->old_energy,
t_sqrt(energy*ractx->old_energy) >> 12);
refl_rms[2] = interp(ractx, block_coefs[2], 2, 1, energy);
refl_rms[3] = rms(ractx->lpc_refl, energy);
refl_rms[3] = rms(ractx->lpc_refl, energy, ractx);
int_to_int16(block_coefs[3], ractx->lpc_coef);