[FFmpeg-cvslog] r15256 - trunk/libavcodec/mace.c
vitor
subversion
Sun Sep 7 22:18:18 CEST 2008
Author: vitor
Date: Sun Sep 7 22:18:18 2008
New Revision: 15256
Log:
Cosmetics: rename vars s/ctx/chd/
Modified:
trunk/libavcodec/mace.c
Modified: trunk/libavcodec/mace.c
==============================================================================
--- trunk/libavcodec/mace.c (original)
+++ trunk/libavcodec/mace.c Sun Sep 7 22:18:18 2008
@@ -162,7 +162,7 @@ static inline int16_t mace_broken_clip_i
return n;
}
-static void chomp3(ChannelData *ctx, int16_t *output, uint8_t val,
+static void chomp3(ChannelData *chd, int16_t *output, uint8_t val,
const uint16_t tab1[],
const int16_t *tab2, int tab2_stride,
uint32_t numChannels)
@@ -170,19 +170,19 @@ static void chomp3(ChannelData *ctx, int
int16_t current;
if (val < tab2_stride)
- current = tab2[((ctx->index & 0x7f0) >> 4)*tab2_stride + val];
+ current = tab2[((chd->index & 0x7f0) >> 4)*tab2_stride + val];
else
- current = - 1 - tab2[((ctx->index & 0x7f0) >> 4)*tab2_stride + 2*tab2_stride-val-1];
+ current = - 1 - tab2[((chd->index & 0x7f0) >> 4)*tab2_stride + 2*tab2_stride-val-1];
- current = mace_broken_clip_int16(current + ctx->lev);
+ current = mace_broken_clip_int16(current + chd->lev);
- ctx->lev = current - (current >> 3);
+ chd->lev = current - (current >> 3);
*output = QT_8S_2_16S(current);
- if (( ctx->index += tab1[val]-(ctx->index >> 5) ) < 0)
- ctx->index = 0;
+ if (( chd->index += tab1[val]-(chd->index >> 5) ) < 0)
+ chd->index = 0;
}
-static void chomp6(ChannelData *ctx, int16_t *output, uint8_t val,
+static void chomp6(ChannelData *chd, int16_t *output, uint8_t val,
const uint16_t tab1[],
const int16_t *tab2, int tab2_stride,
uint32_t numChannels)
@@ -190,33 +190,33 @@ static void chomp6(ChannelData *ctx, int
int16_t current;
if (val < tab2_stride)
- current = tab2[((ctx->index & 0x7f0) >> 4)*tab2_stride + val];
+ current = tab2[((chd->index & 0x7f0) >> 4)*tab2_stride + val];
else
- current = - 1 - tab2[((ctx->index & 0x7f0) >> 4)*tab2_stride + 2*tab2_stride-val-1];
+ current = - 1 - tab2[((chd->index & 0x7f0) >> 4)*tab2_stride + 2*tab2_stride-val-1];
- if ((ctx->previous ^ current) >= 0) {
- ctx->factor = FFMIN(ctx->factor + 506, 32767);
+ if ((chd->previous ^ current) >= 0) {
+ chd->factor = FFMIN(chd->factor + 506, 32767);
} else {
- if (ctx->factor - 314 < -32768)
- ctx->factor = -32767;
+ if (chd->factor - 314 < -32768)
+ chd->factor = -32767;
else
- ctx->factor -= 314;
+ chd->factor -= 314;
}
- current = mace_broken_clip_int16(current + ctx->level);
+ current = mace_broken_clip_int16(current + chd->level);
- ctx->level = ((current*ctx->factor) >> 15);
+ chd->level = ((current*chd->factor) >> 15);
current >>= 1;
- output[0] = QT_8S_2_16S(ctx->previous + ctx->prev2 -
- ((ctx->prev2-current) >> 2));
- output[numChannels] = QT_8S_2_16S(ctx->previous + current +
- ((ctx->prev2-current) >> 2));
- ctx->prev2 = ctx->previous;
- ctx->previous = current;
+ output[0] = QT_8S_2_16S(chd->previous + chd->prev2 -
+ ((chd->prev2-current) >> 2));
+ output[numChannels] = QT_8S_2_16S(chd->previous + current +
+ ((chd->prev2-current) >> 2));
+ chd->prev2 = chd->previous;
+ chd->previous = current;
- if ((ctx->index += tab1[val] - (ctx->index >> 5)) < 0)
- ctx->index = 0;
+ if ((chd->index += tab1[val] - (chd->index >> 5)) < 0)
+ chd->index = 0;
}
static av_cold int mace_decode_init(AVCodecContext * avctx)
More information about the ffmpeg-cvslog
mailing list