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mxfdec: Ignore the last entry in Avid's index table segments

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The last entry is the total size of the essence container.
Previously a TemporalOffset error would be logged, even though segments like
these are expected.
This commit is contained in:
Tomas Härdin 2011-12-19 11:00:14 +01:00
parent 0edf7ebcd6
commit 085249a379
1 changed files with 7 additions and 2 deletions
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9
libavformat/mxfdec.c
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@ -1072,11 +1072,16 @@ static int mxf_compute_ptses_fake_index(MXFContext *mxf, MXFIndexTable *index_ta
for (i = x = 0; i < index_table->nb_segments; i++) {
MXFIndexTableSegment *s = index_table->segments[i];
int index_delta = 1;
int n = s->nb_index_entries;
if (s->nb_index_entries == 2 * s->index_duration + 1)
if (s->nb_index_entries == 2 * s->index_duration + 1) {
index_delta = 2; /* Avid index */
for (j = 0; j < s->nb_index_entries; j += index_delta, x++) {
/* ignore the last entry - it's the size of the essence container */
n--;
}
for (j = 0; j < n; j += index_delta, x++) {
int offset = s->temporal_offset_entries[j] / index_delta;
int index = x + offset;