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AAC: Rename sect_len to sect_end. It marks the last sfb of the section, not the 

length of the section.

Originally committed as revision 20513 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Alex Converse 2009-11-11 20:33:56 +00:00
parent 5aea268d14
commit 01d19fbc9f
1 changed files with 7 additions and 7 deletions
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14
libavcodec/aac.c
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@ -678,7 +678,7 @@ static int decode_band_types(AACContext *ac, enum BandType band_type[120],
for (g = 0; g < ics->num_window_groups; g++) {
int k = 0;
while (k < ics->max_sfb) {
uint8_t sect_len = k;
uint8_t sect_end = k;
int sect_len_incr;
int sect_band_type = get_bits(gb, 4);
if (sect_band_type == 12) {
@ -686,17 +686,17 @@ static int decode_band_types(AACContext *ac, enum BandType band_type[120],
return -1;
}
while ((sect_len_incr = get_bits(gb, bits)) == (1 << bits) - 1)
sect_len += sect_len_incr;
sect_len += sect_len_incr;
if (sect_len > ics->max_sfb) {
sect_end += sect_len_incr;
sect_end += sect_len_incr;
if (sect_end > ics->max_sfb) {
av_log(ac->avccontext, AV_LOG_ERROR,
"Number of bands (%d) exceeds limit (%d).\n",
sect_len, ics->max_sfb);
sect_end, ics->max_sfb);
return -1;
}
for (; k < sect_len; k++) {
for (; k < sect_end; k++) {
band_type [idx] = sect_band_type;
band_type_run_end[idx++] = sect_len;
band_type_run_end[idx++] = sect_end;
}
}
}