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Remove some duplicate local copies of avctx fields. 

This is an av_cold function, and we don't need to duplicate variables just to
save a few characters.

Originally committed as revision 25979 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Justin Ruggles 2010-12-14 14:52:21 +00:00
parent 8f60f70d44
commit 1607db0a95
1 changed files with 4 additions and 6 deletions
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10
libavcodec/ac3enc.c
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@ -1252,8 +1252,6 @@ static av_cold int set_channel_info(AC3EncodeContext *s, int channels,
static av_cold int validate_options(AVCodecContext *avctx, AC3EncodeContext *s)
{
int freq = avctx->sample_rate;
int bitrate = avctx->bit_rate;
int i, j;
if (!avctx->channel_layout) {
@ -1269,12 +1267,12 @@ static av_cold int validate_options(AVCodecContext *avctx, AC3EncodeContext *s)
/* frequency */
for (i = 0; i < 3; i++) {
for (j = 0; j < 3; j++)
if ((ff_ac3_sample_rate_tab[j] >> i) == freq)
if ((ff_ac3_sample_rate_tab[j] >> i) == avctx->sample_rate)
goto found;
}
return -1;
found:
s->sample_rate = freq;
s->sample_rate = avctx->sample_rate;
s->bit_alloc.sr_shift = i;
s->bit_alloc.sr_code = j;
s->bitstream_id = 8 + s->bit_alloc.sr_shift;
@ -1282,12 +1280,12 @@ static av_cold int validate_options(AVCodecContext *avctx, AC3EncodeContext *s)
/* bitrate & frame size */
for (i = 0; i < 19; i++) {
if ((ff_ac3_bitrate_tab[i] >> s->bit_alloc.sr_shift)*1000 == bitrate)
if ((ff_ac3_bitrate_tab[i] >> s->bit_alloc.sr_shift)*1000 == avctx->bit_rate)
break;
}
if (i == 19)
return -1;
s->bit_rate = bitrate;
s->bit_rate = avctx->bit_rate;
s->frame_size_code = i << 1;
return 0;