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imc: make issue non-fatal

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The "faulty" samples actually sound fine when ignoring this issue.

For ticket #3886, more samples are decoded.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Christophe Gisquet 2014-12-04 00:04:50 +01:00 committed by Michael Niedermayer
parent 0f6931f4b6
commit 291747581e
1 changed files with 6 additions and 9 deletions
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15
libavcodec/imc.c
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@ -790,7 +790,8 @@ static int inverse_quant_coeff(IMCContext *q, IMCChannel *chctx,
}
static int imc_get_coeffs(IMCContext *q, IMCChannel *chctx)
static void imc_get_coeffs(AVCodecContext *avctx,
IMCContext *q, IMCChannel *chctx)
{
int i, j, cw_len, cw;
@ -803,8 +804,9 @@ static int imc_get_coeffs(IMCContext *q, IMCChannel *chctx)
cw = 0;
if (get_bits_count(&q->gb) + cw_len > 512) {
av_dlog(NULL, "Band %i coeff %i cw_len %i\n", i, j, cw_len);
return AVERROR_INVALIDDATA;
av_log(avctx, AV_LOG_WARNING,
"Potential problem on band %i, coefficient %i"
": cw_len=%i\n", i, j, cw_len);
}
if (cw_len && (!chctx->bandFlagsBuf[i] || !chctx->skipFlags[j]))
@ -814,7 +816,6 @@ static int imc_get_coeffs(IMCContext *q, IMCChannel *chctx)
}
}
}
return 0;
}
static void imc_refine_bit_allocation(IMCContext *q, IMCChannel *chctx)
@ -995,11 +996,7 @@ static int imc_decode_block(AVCodecContext *avctx, IMCContext *q, int ch)
memset(chctx->codewords, 0, sizeof(chctx->codewords));
if (imc_get_coeffs(q, chctx) < 0) {
av_log(avctx, AV_LOG_ERROR, "Read coefficients failed\n");
chctx->decoder_reset = 1;
return AVERROR_INVALIDDATA;
}
imc_get_coeffs(avctx, q, chctx);
if (inverse_quant_coeff(q, chctx, stream_format_code) < 0) {
av_log(avctx, AV_LOG_ERROR, "Inverse quantization of coefficients failed\n");