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avcodec/dcaenc: move channel reordering tables to dcaenc.h 

DCA core decoder no longer uses fixed tables for channel reordering.
Move them into private encoder header (and drop ff_dca_ prefix).

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
foo86 2016-04-27 10:20:20 -07:00 committed by James Almer
parent de28e73cce
commit b286ff69c0
4 changed files with 45 additions and 50 deletions
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42
libavcodec/dcadata.c
View File

@ -8730,48 +8730,6 @@ const int32_t ff_dca_sampling_freqs[16] = {
176400, 352800, 12000, 24000, 48000, 96000, 192000, 384000,
};
const int8_t ff_dca_lfe_index[16] = {
1, 2, 2, 2, 2, 3, 2, 3, 2, 3, 2, 3, 1, 3, 2, 3
};
const int8_t ff_dca_channel_reorder_lfe[16][9] = {
{ 0, -1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 2, 0, 1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, 3, -1, -1, -1, -1, -1, -1 },
{ 2, 0, 1, 4, -1, -1, -1, -1, -1 },
{ 0, 1, 3, 4, -1, -1, -1, -1, -1 },
{ 2, 0, 1, 4, 5, -1, -1, -1, -1 },
{ 3, 4, 0, 1, 5, 6, -1, -1, -1 },
{ 2, 0, 1, 4, 5, 6, -1, -1, -1 },
{ 0, 6, 4, 5, 2, 3, -1, -1, -1 },
{ 4, 2, 5, 0, 1, 6, 7, -1, -1 },
{ 5, 6, 0, 1, 7, 3, 8, 4, -1 },
{ 4, 2, 5, 0, 1, 6, 8, 7, -1 },
};
const int8_t ff_dca_channel_reorder_nolfe[16][9] = {
{ 0, -1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 2, 0, 1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, 2, -1, -1, -1, -1, -1, -1 },
{ 2, 0, 1, 3, -1, -1, -1, -1, -1 },
{ 0, 1, 2, 3, -1, -1, -1, -1, -1 },
{ 2, 0, 1, 3, 4, -1, -1, -1, -1 },
{ 2, 3, 0, 1, 4, 5, -1, -1, -1 },
{ 2, 0, 1, 3, 4, 5, -1, -1, -1 },
{ 0, 5, 3, 4, 1, 2, -1, -1, -1 },
{ 3, 2, 4, 0, 1, 5, 6, -1, -1 },
{ 4, 5, 0, 1, 6, 2, 7, 3, -1 },
{ 3, 2, 4, 0, 1, 5, 7, 6, -1 },
};
const uint16_t ff_dca_vlc_offs[63] = {
0, 512, 640, 768, 1282, 1794, 2436, 3080, 3770, 4454, 5364,
5372, 5380, 5388, 5392, 5396, 5412, 5420, 5428, 5460, 5492, 5508,

5
libavcodec/dcadata.h
View File

@ -73,11 +73,6 @@ extern const int32_t ff_dca_xll_band_coeff[20];
extern const int32_t ff_dca_sampling_freqs[16];
extern const int8_t ff_dca_lfe_index[16];
extern const int8_t ff_dca_channel_reorder_lfe[16][9];
extern const int8_t ff_dca_channel_reorder_nolfe[16][9];
extern const uint16_t ff_dca_vlc_offs[63];
#endif /* AVCODEC_DCADATA_H */

6
libavcodec/dcaenc.c
View File

@ -137,9 +137,9 @@ static int encode_init(AVCodecContext *avctx)
if (c->lfe_channel) {
c->fullband_channels--;
c->channel_order_tab = ff_dca_channel_reorder_lfe[c->channel_config];
c->channel_order_tab = channel_reorder_lfe[c->channel_config];
} else {
c->channel_order_tab = ff_dca_channel_reorder_nolfe[c->channel_config];
c->channel_order_tab = channel_reorder_nolfe[c->channel_config];
}
for (i = 0; i < 9; i++) {
@ -303,7 +303,7 @@ static void subband_transform(DCAEncContext *c, const int32_t *input)
static void lfe_downsample(DCAEncContext *c, const int32_t *input)
{
/* FIXME: make 128x LFE downsampling possible */
const int lfech = ff_dca_lfe_index[c->channel_config];
const int lfech = lfe_index[c->channel_config];
int i, j, lfes;
int32_t hist[512];
int32_t accum;

42
libavcodec/dcaenc.h
View File

@ -103,4 +103,46 @@ static const int bit_consumption[27] = {
272, 288, 304, 320, 336, 352, 368,
};
static const int8_t lfe_index[16] = {
1, 2, 2, 2, 2, 3, 2, 3, 2, 3, 2, 3, 1, 3, 2, 3
};
static const int8_t channel_reorder_lfe[16][9] = {
{ 0, -1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 2, 0, 1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, 3, -1, -1, -1, -1, -1, -1 },
{ 2, 0, 1, 4, -1, -1, -1, -1, -1 },
{ 0, 1, 3, 4, -1, -1, -1, -1, -1 },
{ 2, 0, 1, 4, 5, -1, -1, -1, -1 },
{ 3, 4, 0, 1, 5, 6, -1, -1, -1 },
{ 2, 0, 1, 4, 5, 6, -1, -1, -1 },
{ 0, 6, 4, 5, 2, 3, -1, -1, -1 },
{ 4, 2, 5, 0, 1, 6, 7, -1, -1 },
{ 5, 6, 0, 1, 7, 3, 8, 4, -1 },
{ 4, 2, 5, 0, 1, 6, 8, 7, -1 },
};
static const int8_t channel_reorder_nolfe[16][9] = {
{ 0, -1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, -1, -1, -1, -1, -1, -1, -1 },
{ 2, 0, 1, -1, -1, -1, -1, -1, -1 },
{ 0, 1, 2, -1, -1, -1, -1, -1, -1 },
{ 2, 0, 1, 3, -1, -1, -1, -1, -1 },
{ 0, 1, 2, 3, -1, -1, -1, -1, -1 },
{ 2, 0, 1, 3, 4, -1, -1, -1, -1 },
{ 2, 3, 0, 1, 4, 5, -1, -1, -1 },
{ 2, 0, 1, 3, 4, 5, -1, -1, -1 },
{ 0, 5, 3, 4, 1, 2, -1, -1, -1 },
{ 3, 2, 4, 0, 1, 5, 6, -1, -1 },
{ 4, 5, 0, 1, 6, 2, 7, 3, -1 },
{ 3, 2, 4, 0, 1, 5, 7, 6, -1 },
};
#endif /* AVCODEC_DCAENC_H */