int edit_unit_byte_count;
int index_sid;
int body_sid;
- int slice_count;
AVRational index_edit_rate;
uint64_t index_start_position;
uint64_t index_duration;
- int *slice;
- int *element_delta;
- int nb_delta_entries;
int8_t *temporal_offset_entries;
int *flag_entries;
uint64_t *stream_offset_entries;
- uint32_t **slice_offset_entries;
int nb_index_entries;
} MXFIndexTableSegment;
return 0;
}
-static int mxf_read_delta_entry_array(AVIOContext *pb, MXFIndexTableSegment *segment)
-{
- int i, length;
-
- segment->nb_delta_entries = avio_rb32(pb);
- length = avio_rb32(pb);
-
- if (!(segment->slice = av_calloc(segment->nb_delta_entries, sizeof(*segment->slice))) ||
- !(segment->element_delta = av_calloc(segment->nb_delta_entries, sizeof(*segment->element_delta))))
- return AVERROR(ENOMEM);
-
- for (i = 0; i < segment->nb_delta_entries; i++) {
- avio_r8(pb); /* PosTableIndex */
- segment->slice[i] = avio_r8(pb);
- segment->element_delta[i] = avio_rb32(pb);
- }
- return 0;
-}
-
static int mxf_read_index_entry_array(AVIOContext *pb, MXFIndexTableSegment *segment)
{
int i, j, length;
!(segment->stream_offset_entries = av_calloc(segment->nb_index_entries, sizeof(*segment->stream_offset_entries))))
return AVERROR(ENOMEM);
- if (segment->slice_count &&
- !(segment->slice_offset_entries = av_calloc(segment->nb_index_entries, sizeof(*segment->slice_offset_entries))))
- return AVERROR(ENOMEM);
-
for (i = 0; i < segment->nb_index_entries; i++) {
segment->temporal_offset_entries[i] = avio_r8(pb);
avio_r8(pb); /* KeyFrameOffset */
segment->flag_entries[i] = avio_r8(pb);
segment->stream_offset_entries[i] = avio_rb64(pb);
- if (segment->slice_count) {
- if (!(segment->slice_offset_entries[i] = av_calloc(segment->slice_count, sizeof(**segment->slice_offset_entries))))
- return AVERROR(ENOMEM);
-
- for (j = 0; j < segment->slice_count; j++)
- segment->slice_offset_entries[i][j] = avio_rb32(pb);
- }
-
- avio_skip(pb, length - 11 - 4 * segment->slice_count);
+ avio_skip(pb, length - 11);
}
return 0;
}
segment->body_sid = avio_rb32(pb);
av_dlog(NULL, "BodySID %d\n", segment->body_sid);
break;
- case 0x3F08:
- segment->slice_count = avio_r8(pb);
- av_dlog(NULL, "SliceCount %d\n", segment->slice_count);
- break;
- case 0x3F09:
- av_dlog(NULL, "DeltaEntryArray found\n");
- return mxf_read_delta_entry_array(pb, segment);
case 0x3F0A:
av_dlog(NULL, "IndexEntryArray found\n");
return mxf_read_index_entry_array(pb, segment);
break;
case IndexTableSegment:
seg = (MXFIndexTableSegment *)mxf->metadata_sets[i];
- if (seg->slice_count)
- for (j = 0; j < seg->nb_index_entries; j++)
- av_freep(&seg->slice_offset_entries[j]);
- av_freep(&seg->slice);
- av_freep(&seg->element_delta);
av_freep(&seg->temporal_offset_entries);
av_freep(&seg->flag_entries);
av_freep(&seg->stream_offset_entries);
- av_freep(&seg->slice_offset_entries);
break;
default:
break;