[SCM] libav/experimental: change 2 fields from context to local variables
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 16:04:23 UTC 2013
The following commit has been merged in the experimental branch:
commit b6acc57f8832b2ed4ec556febf8089a0951e729c
Author: Justin Ruggles <justin.ruggles at gmail.com>
Date: Sun Jul 29 00:35:30 2007 +0000
change 2 fields from context to local variables
Originally committed as revision 9823 to svn://svn.ffmpeg.org/ffmpeg/trunk
diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c
index b4dcf6e..d2b9f97 100644
--- a/libavcodec/ac3dec.c
+++ b/libavcodec/ac3dec.c
@@ -89,8 +89,6 @@ typedef struct {
int cplinu;
int chincpl[AC3_MAX_CHANNELS];
int phsflginu;
- int cplbegf;
- int cplendf;
int cplcoe;
uint32_t cplbndstrc;
int rematstr;
@@ -801,23 +799,25 @@ static int ac3_parse_audio_block(AC3DecodeContext *ctx, int blk)
ctx->cplinu = get_bits1(gb);
ctx->cplbndstrc = 0;
if (ctx->cplinu) { /* coupling in use */
+ int cplbegf, cplendf;
+
for (i = 0; i < nfchans; i++)
ctx->chincpl[i] = get_bits1(gb);
if (acmod == AC3_ACMOD_STEREO)
ctx->phsflginu = get_bits1(gb); //phase flag in use
- ctx->cplbegf = get_bits(gb, 4);
- ctx->cplendf = get_bits(gb, 4);
+ cplbegf = get_bits(gb, 4);
+ cplendf = get_bits(gb, 4);
- if (3 + ctx->cplendf - ctx->cplbegf < 0) {
- av_log(NULL, AV_LOG_ERROR, "cplendf = %d < cplbegf = %d\n", ctx->cplendf, ctx->cplbegf);
+ if (3 + cplendf - cplbegf < 0) {
+ av_log(NULL, AV_LOG_ERROR, "cplendf = %d < cplbegf = %d\n", cplendf, cplbegf);
return -1;
}
- ctx->ncplbnd = ctx->ncplsubnd = 3 + ctx->cplendf - ctx->cplbegf;
- ctx->cplstrtmant = ctx->cplbegf * 12 + 37;
- ctx->cplendmant = ctx->cplendf * 12 + 73;
+ ctx->ncplbnd = ctx->ncplsubnd = 3 + cplendf - cplbegf;
+ ctx->cplstrtmant = cplbegf * 12 + 37;
+ ctx->cplendmant = cplendf * 12 + 73;
for (i = 0; i < ctx->ncplsubnd - 1; i++) /* coupling band structure */
if (get_bits1(gb)) {
ctx->cplbndstrc |= 1 << i;
@@ -857,13 +857,13 @@ static int ac3_parse_audio_block(AC3DecodeContext *ctx, int blk)
if (acmod == AC3_ACMOD_STEREO) {/* rematrixing */
ctx->rematstr = get_bits1(gb);
if (ctx->rematstr) {
- if (!(ctx->cplinu) || ctx->cplbegf > 2)
+ if (!(ctx->cplinu) || ctx->cplstrtmant > 61)
for (rbnd = 0; rbnd < 4; rbnd++)
ctx->rematflg[rbnd] = get_bits1(gb);
- if (ctx->cplbegf > 0 && ctx->cplbegf <= 2 && ctx->cplinu)
+ if (ctx->cplstrtmant > 37 && ctx->cplstrtmant <= 61 && ctx->cplinu)
for (rbnd = 0; rbnd < 3; rbnd++)
ctx->rematflg[rbnd] = get_bits1(gb);
- if (ctx->cplbegf == 0 && ctx->cplinu)
+ if (ctx->cplstrtmant == 37 && ctx->cplinu)
for (rbnd = 0; rbnd < 2; rbnd++)
ctx->rematflg[rbnd] = get_bits1(gb);
}
--
Libav/FFmpeg packaging
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