When scanning through the index, account for the fact that the compared samples may be located in an unexpected order in the file; this function is mainly interested in the absolute difference between file locations.
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| @@ -208,9 +208,11 @@ void ff_configure_buffers_for_index(AVFormatContext *s, int64_t time_tolerance) · 207 unmodified lines | ||
| 208 | 208 | for (; i2 < sti2->nb_index_entries; i2++) { |
| 209 | 209 | const AVIndexEntry *const e2 = &sti2->index_entries[i2]; |
| 210 | 210 | int64_t e2_pts = av_rescale_q(e2->timestamp, st2->time_base, AV_TIME_BASE_Q); |
| 211 | + int64_t cur_delta; | |
| 211 | 212 | if (e2_pts < e1_pts || e2_pts - (uint64_t)e1_pts < time_tolerance) |
| 212 | 213 | continue; |
| 213 | − pos_delta = FFMAX(pos_delta, e1->pos - e2->pos); | |
| 214 | + cur_delta = FFABS(e1->pos - e2->pos); | |
| 215 | + pos_delta = FFMAX(pos_delta, cur_delta); | |
| 214 | 216 | break; |
| 215 | 217 | } |
| 216 | 218 | } |