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avcodec/aacdec_template: Avoid code duplication when initializing VLCs

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2020-11-19 15:11:07 +01:00
parent 7b7c4c554f
commit 097277f31a
1 changed files with 13 additions and 19 deletions
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32
libavcodec/aacdec_template.c
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@ -1195,29 +1195,23 @@ static void reset_predictor_group(PredictorState *ps, int group_num)
reset_predict_state(&ps[i]);
}
#define AAC_INIT_VLC_STATIC(num, size) \
INIT_VLC_STATIC(&vlc_spectral[num], 8, ff_aac_spectral_sizes[num], \
ff_aac_spectral_bits[num], sizeof(ff_aac_spectral_bits[num][0]), \
sizeof(ff_aac_spectral_bits[num][0]), \
ff_aac_spectral_codes[num], sizeof(ff_aac_spectral_codes[num][0]), \
sizeof(ff_aac_spectral_codes[num][0]), \
size);
static void aacdec_init(AACContext *ac);
static av_cold void aac_static_table_init(void)
{
AAC_INIT_VLC_STATIC( 0, 304);
AAC_INIT_VLC_STATIC( 1, 270);
AAC_INIT_VLC_STATIC( 2, 550);
AAC_INIT_VLC_STATIC( 3, 300);
AAC_INIT_VLC_STATIC( 4, 328);
AAC_INIT_VLC_STATIC( 5, 294);
AAC_INIT_VLC_STATIC( 6, 306);
AAC_INIT_VLC_STATIC( 7, 268);
AAC_INIT_VLC_STATIC( 8, 510);
AAC_INIT_VLC_STATIC( 9, 366);
AAC_INIT_VLC_STATIC(10, 462);
static VLC_TYPE vlc_buf[304 + 270 + 550 + 300 + 328 +
294 + 306 + 268 + 510 + 366 + 462][2];
for (unsigned i = 0, offset = 0; i < 11; i++) {
vlc_spectral[i].table = &vlc_buf[offset];
vlc_spectral[i].table_allocated = FF_ARRAY_ELEMS(vlc_buf) - offset;
init_vlc(&vlc_spectral[i], 8, ff_aac_spectral_sizes[i],
ff_aac_spectral_bits[i], sizeof(ff_aac_spectral_bits[i][0]),
sizeof(ff_aac_spectral_bits[i][0]),
ff_aac_spectral_codes[i], sizeof(ff_aac_spectral_codes[i][0]),
sizeof(ff_aac_spectral_codes[i][0]),
INIT_VLC_STATIC_OVERLONG);
offset += vlc_spectral[i].table_size;
}
AAC_RENAME(ff_aac_sbr_init)();