[SCM] libav/experimental: Remove context fields which can be used as simple local variables. patch by Gregory Montoir, cyx users sourceforge net
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 16:24:47 UTC 2013
The following commit has been merged in the experimental branch:
commit 7bd2f502faa5932223db961b92a9f74b0b96f5d3
Author: Gregory Montoir <cyx at users.sourceforge.net>
Date: Sun Jul 6 10:01:54 2008 +0000
Remove context fields which can be used as simple local variables.
patch by Gregory Montoir, cyx users sourceforge net
Originally committed as revision 14086 to svn://svn.ffmpeg.org/ffmpeg/trunk
diff --git a/libavcodec/tiertexseqv.c b/libavcodec/tiertexseqv.c
index d91ed05..3ff3535 100644
--- a/libavcodec/tiertexseqv.c
+++ b/libavcodec/tiertexseqv.c
@@ -32,8 +32,6 @@
typedef struct SeqVideoContext {
AVCodecContext *avctx;
AVFrame frame;
- unsigned int palette[256];
- unsigned char block[8 * 8];
} SeqVideoContext;
@@ -72,22 +70,23 @@ static const unsigned char *seq_decode_op1(SeqVideoContext *seq, const unsigned
const unsigned char *color_table;
int b, i, len, bits;
GetBitContext gb;
+ unsigned char block[8 * 8];
len = *src++;
if (len & 0x80) {
switch (len & 3) {
case 1:
- src = seq_unpack_rle_block(src, seq->block, sizeof(seq->block));
+ src = seq_unpack_rle_block(src, block, sizeof(block));
for (b = 0; b < 8; b++) {
- memcpy(dst, &seq->block[b * 8], 8);
+ memcpy(dst, &block[b * 8], 8);
dst += seq->frame.linesize[0];
}
break;
case 2:
- src = seq_unpack_rle_block(src, seq->block, sizeof(seq->block));
+ src = seq_unpack_rle_block(src, block, sizeof(block));
for (i = 0; i < 8; i++) {
for (b = 0; b < 8; b++)
- dst[b * seq->frame.linesize[0]] = seq->block[i * 8 + b];
+ dst[b * seq->frame.linesize[0]] = block[i * 8 + b];
++dst;
}
break;
@@ -139,16 +138,17 @@ static void seqvideo_decode(SeqVideoContext *seq, const unsigned char *data, int
int flags, i, j, x, y, op;
unsigned char c[3];
unsigned char *dst;
+ uint32_t *palette;
flags = *data++;
if (flags & 1) {
+ palette = (uint32_t *)seq->frame.data[1];
for (i = 0; i < 256; i++) {
for (j = 0; j < 3; j++, data++)
c[j] = (*data << 2) | (*data >> 4);
- seq->palette[i] = AV_RB24(c);
+ palette[i] = AV_RB24(c);
}
- memcpy(seq->frame.data[1], seq->palette, sizeof(seq->palette));
seq->frame.palette_has_changed = 1;
}
--
Libav/FFmpeg packaging
More information about the pkg-multimedia-commits
mailing list