generic-library/ffmpeg
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mpeg4videoenc: Remove disabled variant of mpeg4_encode_block().

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As a nice sideeffect this fixes the following warning:
libavcodec/mpeg4videoenc.c:302:20: warning: variable ‘rl’ set but not used [-Wunused-but-set-variable]
This commit is contained in:
Diego Biurrun 2011-06-26 16:37:07 +02:00
parent 9ddf1b1ae4
commit 3fbc9bbb88
1 changed files with 0 additions and 65 deletions
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65
libavcodec/mpeg4videoenc.c
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@ -296,10 +296,6 @@ static inline void mpeg4_encode_block(MpegEncContext * s, DCTELEM * block, int n
uint8_t *scan_table, PutBitContext *dc_pb, PutBitContext *ac_pb)
{
int i, last_non_zero;
#if 0 //variables for the outcommented version
int code, sign, last;
#endif
const RLTable *rl;
uint32_t *bits_tab;
uint8_t *len_tab;
const int last_index = s->block_last_index[n];
@ -309,20 +305,17 @@ static inline void mpeg4_encode_block(MpegEncContext * s, DCTELEM * block, int n
mpeg4_encode_dc(dc_pb, intra_dc, n);
if(last_index<1) return;
i = 1;
rl = &ff_mpeg4_rl_intra;
bits_tab= uni_mpeg4_intra_rl_bits;
len_tab = uni_mpeg4_intra_rl_len;
} else {
if(last_index<0) return;
i = 0;
rl = &ff_h263_rl_inter;
bits_tab= uni_mpeg4_inter_rl_bits;
len_tab = uni_mpeg4_inter_rl_len;
}
/* AC coefs */
last_non_zero = i - 1;
#if 1
for (; i < last_index; i++) {
int level = block[ scan_table[i] ];
if (level) {
@ -348,64 +341,6 @@ static inline void mpeg4_encode_block(MpegEncContext * s, DCTELEM * block, int n
put_bits(ac_pb, 7+2+1+6+1+12+1, (3<<23)+(3<<21)+(1<<20)+(run<<14)+(1<<13)+(((level-64)&0xfff)<<1)+1);
}
}
#else
for (; i <= last_index; i++) {
const int slevel = block[ scan_table[i] ];
if (slevel) {
int level;
int run = i - last_non_zero - 1;
last = (i == last_index);
sign = 0;
level = slevel;
if (level < 0) {
sign = 1;
level = -level;
}
code = get_rl_index(rl, last, run, level);
put_bits(ac_pb, rl->table_vlc[code][1], rl->table_vlc[code][0]);
if (code == rl->n) {
int level1, run1;
level1 = level - rl->max_level[last][run];
if (level1 < 1)
goto esc2;
code = get_rl_index(rl, last, run, level1);
if (code == rl->n) {
esc2:
put_bits(ac_pb, 1, 1);
if (level > MAX_LEVEL)
goto esc3;
run1 = run - rl->max_run[last][level] - 1;
if (run1 < 0)
goto esc3;
code = get_rl_index(rl, last, run1, level);
if (code == rl->n) {
esc3:
/* third escape */
put_bits(ac_pb, 1, 1);
put_bits(ac_pb, 1, last);
put_bits(ac_pb, 6, run);
put_bits(ac_pb, 1, 1);
put_sbits(ac_pb, 12, slevel);
put_bits(ac_pb, 1, 1);
} else {
/* second escape */
put_bits(ac_pb, 1, 0);
put_bits(ac_pb, rl->table_vlc[code][1], rl->table_vlc[code][0]);
put_bits(ac_pb, 1, sign);
}
} else {
/* first escape */
put_bits(ac_pb, 1, 0);
put_bits(ac_pb, rl->table_vlc[code][1], rl->table_vlc[code][0]);
put_bits(ac_pb, 1, sign);
}
} else {
put_bits(ac_pb, 1, sign);
}
last_non_zero = i;
}
}
#endif
}
static int mpeg4_get_block_length(MpegEncContext * s, DCTELEM * block, int n, int intra_dc,