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Fix channel order for some less common TrueHD layouts.

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Reported and tested by TDiTP_

Fixes ticket #779.
(cherry picked from commit 1af0ace3a4)
This commit is contained in:
Carl Eugen Hoyos 2011-12-18 15:28:18 +01:00
parent a46fa584c5
commit 55e2dc7f77
1 changed files with 8 additions and 0 deletions
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8
libavcodec/mlpdec.c
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@ -480,6 +480,14 @@ static int read_restart_header(MLPDecodeContext *m, GetBitContext *gbp,
m->avctx->channel_layout == AV_CH_LAYOUT_7POINT1_WIDE)) {
FFSWAP(int, s->ch_assign[4], s->ch_assign[6]);
FFSWAP(int, s->ch_assign[5], s->ch_assign[7]);
} else if (m->avctx->codec_id == CODEC_ID_TRUEHD &&
(m->avctx->channel_layout == AV_CH_LAYOUT_6POINT1 ||
m->avctx->channel_layout == (AV_CH_LAYOUT_6POINT1 | AV_CH_TOP_CENTER) ||
m->avctx->channel_layout == (AV_CH_LAYOUT_6POINT1 | AV_CH_TOP_FRONT_CENTER))) {
int i = s->ch_assign[6];
s->ch_assign[6] = s->ch_assign[5];
s->ch_assign[5] = s->ch_assign[4];
s->ch_assign[4] = i;
}
checksum = ff_mlp_restart_checksum(buf, get_bits_count(gbp) - start_count);