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avcodec/vp3data: combine eob_run_base and eob_run_get_bits tables

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This commit is contained in:
Peter Ross 2019-05-24 20:10:32 +10:00
parent ad2745e867
commit b6ca032ade
2 changed files with 7 additions and 8 deletions
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6
libavcodec/vp3.c
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@ -988,9 +988,9 @@ static int unpack_vlcs(Vp3DecodeContext *s, GetBitContext *gb,
token = get_vlc2(gb, vlc_table, 11, 3);
/* use the token to get a zero run, a coefficient, and an eob run */
if ((unsigned) token <= 6U) {
eob_run = eob_run_base[token];
if (eob_run_get_bits[token])
eob_run += get_bits(gb, eob_run_get_bits[token]);
eob_run = eob_run_table[token].base;
if (eob_run_table[token].bits)
eob_run += get_bits(gb, eob_run_table[token].bits);
if (!eob_run)
eob_run = INT_MAX;

9
libavcodec/vp3data.h
View File

@ -198,11 +198,10 @@ static const int8_t fixed_motion_vector_table[64] = {
};
/* only tokens 0..6 indicate eob runs */
static const uint8_t eob_run_base[7] = {
1, 2, 3, 4, 8, 16, 0
};
static const uint8_t eob_run_get_bits[7] = {
0, 0, 0, 2, 3, 4, 12
static const struct {
uint8_t base, bits;
} eob_run_table[7] = {
{1, 0}, {2, 0}, {3, 0}, {4, 2}, {8, 3}, {16, 4}, {0, 12}
};
static const uint8_t zero_run_base[32] = {