[FFmpeg-cvslog] mpeg12enc: Remove write-only variables.
Alex Converse
git at videolan.org
Tue Nov 8 02:22:02 CET 2011
ffmpeg | branch: master | Alex Converse <alex.converse at gmail.com> | Thu Nov 3 16:02:17 2011 -0700| [090aaaf75280ed42a5e5c7424c366d5b6bab8dde] | committer: Alex Converse
mpeg12enc: Remove write-only variables.
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=090aaaf75280ed42a5e5c7424c366d5b6bab8dde
---
libavcodec/mpeg12enc.c | 19 ++++---------------
1 files changed, 4 insertions(+), 15 deletions(-)
diff --git a/libavcodec/mpeg12enc.c b/libavcodec/mpeg12enc.c
index 26d26c7..17097db 100644
--- a/libavcodec/mpeg12enc.c
+++ b/libavcodec/mpeg12enc.c
@@ -77,10 +77,9 @@ static void init_uni_ac_vlc(RLTable *rl, uint8_t *uni_ac_vlc_len){
if (!level)
continue;
for(run=0; run<64; run++){
- int len, bits, code;
+ int len, code;
int alevel= FFABS(level);
- int sign= (level>>31)&1;
if (alevel > rl->max_level[0][run])
code= 111; /*rl->n*/
@@ -88,25 +87,15 @@ static void init_uni_ac_vlc(RLTable *rl, uint8_t *uni_ac_vlc_len){
code= rl->index_run[0][run] + alevel - 1;
if (code < 111 /* rl->n */) {
- /* store the vlc & sign at once */
+ /* length of vlc and sign */
len= rl->table_vlc[code][1]+1;
- bits= (rl->table_vlc[code][0]<<1) + sign;
} else {
len= rl->table_vlc[111/*rl->n*/][1]+6;
- bits= rl->table_vlc[111/*rl->n*/][0]<<6;
- bits|= run;
if (alevel < 128) {
- bits<<=8; len+=8;
- bits|= level & 0xff;
+ len += 8;
} else {
- bits<<=16; len+=16;
- bits|= level & 0xff;
- if (level < 0) {
- bits|= 0x8001 + level + 255;
- } else {
- bits|= level & 0xffff;
- }
+ len += 16;
}
}
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