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wavpackenc: do not copy samples if they are not available 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-08-17 22:25:49 +00:00
parent 571efd9729
commit 02eb15a6c1
1 changed files with 4 additions and 2 deletions
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6
libavcodec/wavpackenc.c
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@ -2531,9 +2531,11 @@ static int wavpack_encode_block(WavPackEncodeContext *s,
if ((s->flags & WV_FLOAT_DATA) || (s->flags & MAG_MASK) >> MAG_LSB >= 24) {
av_fast_padded_malloc(&s->orig_l, &s->orig_l_size, sizeof(int32_t) * nb_samples);
av_fast_padded_malloc(&s->orig_r, &s->orig_r_size, sizeof(int32_t) * nb_samples);
memcpy(s->orig_l, samples_l, sizeof(int32_t) * nb_samples);
memcpy(s->orig_r, samples_r, sizeof(int32_t) * nb_samples);
if (!(s->flags & WV_MONO_DATA)) {
av_fast_padded_malloc(&s->orig_r, &s->orig_r_size, sizeof(int32_t) * nb_samples);
memcpy(s->orig_r, samples_r, sizeof(int32_t) * nb_samples);
}
if (s->flags & WV_FLOAT_DATA)
got_extra = scan_float(s, samples_l, samples_r, nb_samples);