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huffman: use a named identifer for the bits constant

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Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Michael Niedermayer 2015-09-02 14:22:15 +02:00 committed by Vittorio Giovara
parent 9ad1e0c12c
commit 5a19bce2ff
4 changed files with 5 additions and 4 deletions
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2
libavcodec/fraps.c
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@ -112,7 +112,7 @@ static int fraps2_decode_plane(FrapsContext *s, uint8_t *dst, int stride, int w,
init_get_bits(&gb, s->tmpbuf, size * 8);
for (j = 0; j < h; j++) {
for (i = 0; i < w*step; i += step) {
dst[i] = get_vlc2(&gb, vlc.table, 9, 3);
dst[i] = get_vlc2(&gb, vlc.table, FF_HUFFMAN_BITS, 3);
/* lines are stored as deltas between previous lines
* and we need to add 0x80 to the first lines of chroma planes
*/

2
libavcodec/huffman.c
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@ -124,7 +124,7 @@ static int build_huff_tree(VLC *vlc, Node *nodes, int head, int flags)
get_tree_codes(bits, lens, xlat, nodes, head, 0, 0,
&pos, no_zero_count);
return ff_init_vlc_sparse(vlc, 9, pos, lens, 2, 2, bits, 4, 4, xlat, 1, 1, 0);
return ff_init_vlc_sparse(vlc, FF_HUFFMAN_BITS, pos, lens, 2, 2, bits, 4, 4, xlat, 1, 1, 0);
}

1
libavcodec/huffman.h
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@ -37,6 +37,7 @@ typedef struct Node {
#define FF_HUFFMAN_FLAG_HNODE_FIRST 0x01
#define FF_HUFFMAN_FLAG_ZERO_COUNT 0x02
#define FF_HUFFMAN_BITS 9
typedef int (*HuffCmp)(const void *va, const void *vb);
int ff_huff_build_tree(AVCodecContext *avctx, VLC *vlc, int nb_codes,

4
libavcodec/vp6.c
View File

@ -402,11 +402,11 @@ static void vp6_parse_coeff_huffman(VP56Context *s)
} else {
if (get_bits_left(&s->gb) <= 0)
return;
coeff = get_vlc2(&s->gb, vlc_coeff->table, 9, 3);
coeff = get_vlc2(&s->gb, vlc_coeff->table, FF_HUFFMAN_BITS, 3);
if (coeff == 0) {
if (coeff_idx) {
int pt = (coeff_idx >= 6);
run += get_vlc2(&s->gb, s->runv_vlc[pt].table, 9, 3);
run += get_vlc2(&s->gb, s->runv_vlc[pt].table, FF_HUFFMAN_BITS, 3);
if (run >= 9)
run += get_bits(&s->gb, 6);
} else