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Code Issues Releases Activity

avcodec/dca: add support for 20-bit XLL

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Fixes ticket #6063.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
foo86 2017-01-07 12:26:43 +03:00 committed by James Almer
parent 20e8be0c20
commit 000638431c
1 changed files with 4 additions and 2 deletions
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6
libavcodec/dca_xll.c
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@ -143,7 +143,7 @@ static int chs_parse_header(DCAXllDecoder *s, DCAXllChSet *c, DCAExssAsset *asse
// Storage unit width
c->storage_bit_res = get_bits(&s->gb, 5) + 1;
if (c->storage_bit_res != 16 && c->storage_bit_res != 24) {
if (c->storage_bit_res != 16 && c->storage_bit_res != 20 && c->storage_bit_res != 24) {
avpriv_request_sample(s->avctx, "%d-bit XLL storage resolution", c->storage_bit_res);
return AVERROR_PATCHWELCOME;
}
@ -1415,9 +1415,12 @@ int ff_dca_xll_filter_frame(DCAXllDecoder *s, AVFrame *frame)
switch (p->storage_bit_res) {
case 16:
avctx->sample_fmt = AV_SAMPLE_FMT_S16P;
shift = 16 - p->pcm_bit_res;
break;
case 20:
case 24:
avctx->sample_fmt = AV_SAMPLE_FMT_S32P;
shift = 24 - p->pcm_bit_res;
break;
default:
return AVERROR(EINVAL);
@ -1438,7 +1441,6 @@ int ff_dca_xll_filter_frame(DCAXllDecoder *s, AVFrame *frame)
s->output_mask);
}
shift = p->storage_bit_res - p->pcm_bit_res;
for (i = 0; i < avctx->channels; i++) {
int32_t *samples = s->output_samples[ch_remap[i]];
if (frame->format == AV_SAMPLE_FMT_S16P) {