diff options
author | Mans Rullgard <mans@mansr.com> | 2011-03-11 17:16:27 +0000 |
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committer | Mans Rullgard <mans@mansr.com> | 2011-03-30 01:21:56 +0100 |
commit | 52fd16a264d1eb14b1a84b7b38041da1756fb216 (patch) | |
tree | 9ed5f74a9043e4099d8d5a1b95fdc457632c75ac /libavcodec/ac3enc.c | |
parent | 6f718471eaae9d25c4fd2dd8d8defa412e2d041c (diff) | |
download | ffmpeg-52fd16a264d1eb14b1a84b7b38041da1756fb216.tar.gz |
ac3enc: move compute_mantissa_size() to ac3dsp
Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavcodec/ac3enc.c')
-rw-r--r-- | libavcodec/ac3enc.c | 27 |
1 files changed, 1 insertions, 26 deletions
diff --git a/libavcodec/ac3enc.c b/libavcodec/ac3enc.c index fc591d9716..18e4dae26a 100644 --- a/libavcodec/ac3enc.c +++ b/libavcodec/ac3enc.c @@ -928,31 +928,6 @@ static void count_frame_bits(AC3EncodeContext *s) /** - * Calculate the number of bits needed to encode a set of mantissas. - */ -static int compute_mantissa_size(int mant_cnt[5], uint8_t *bap, int nb_coefs) -{ - int bits, b, i; - - bits = 0; - for (i = 0; i < nb_coefs; i++) { - b = bap[i]; - if (b <= 4) { - // bap=1 to bap=4 will be counted in compute_mantissa_size_final - mant_cnt[b]++; - } else if (b <= 13) { - // bap=5 to bap=13 use (bap-1) bits - bits += b - 1; - } else { - // bap=14 uses 14 bits and bap=15 uses 16 bits - bits += (b == 14) ? 14 : 16; - } - } - return bits; -} - - -/** * Finalize the mantissa bit count by adding in the grouped mantissas. */ static int compute_mantissa_size_final(int mant_cnt[5]) @@ -1052,7 +1027,7 @@ static int bit_alloc(AC3EncodeContext *s, int snr_offset) s->bit_alloc.floor, ff_ac3_bap_tab, block->bap[ch]); } - mantissa_bits += compute_mantissa_size(mant_cnt, block->bap[ch], s->nb_coefs[ch]); + mantissa_bits += s->ac3dsp.compute_mantissa_size(mant_cnt, block->bap[ch], s->nb_coefs[ch]); } mantissa_bits += compute_mantissa_size_final(mant_cnt); } |