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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00

avformat/dashdec: add startNumber parser for segmentlist

and get start_number for compute current segment number.

fix ticket: 7976

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
This commit is contained in:
Steven Liu 2019-09-10 10:31:32 +08:00
parent 9ff8fbda65
commit e55018ee11

View File

@ -886,6 +886,7 @@ static int parse_manifest_representation(AVFormatContext *s, const char *url,
ret = AVERROR(ENOMEM);
goto end;
}
rep->parent = s;
representation_segmenttemplate_node = find_child_node_by_name(representation_node, "SegmentTemplate");
representation_baseurl_node = find_child_node_by_name(representation_node, "BaseURL");
representation_segmentlist_node = find_child_node_by_name(representation_node, "SegmentList");
@ -958,7 +959,7 @@ static int parse_manifest_representation(AVFormatContext *s, const char *url,
xmlFree(timescale_val);
}
if (startnumber_val) {
rep->first_seq_no = (int64_t) strtoll(startnumber_val, NULL, 10);
rep->start_number = rep->first_seq_no = (int64_t) strtoll(startnumber_val, NULL, 10);
av_log(s, AV_LOG_TRACE, "rep->first_seq_no = [%"PRId64"]\n", rep->first_seq_no);
xmlFree(startnumber_val);
}
@ -1016,6 +1017,7 @@ static int parse_manifest_representation(AVFormatContext *s, const char *url,
duration_val = get_val_from_nodes_tab(segmentlists_tab, 3, "duration");
timescale_val = get_val_from_nodes_tab(segmentlists_tab, 3, "timescale");
startnumber_val = get_val_from_nodes_tab(segmentlists_tab, 4, "startNumber");
if (duration_val) {
rep->fragment_duration = (int64_t) strtoll(duration_val, NULL, 10);
av_log(s, AV_LOG_TRACE, "rep->fragment_duration = [%"PRId64"]\n", rep->fragment_duration);
@ -1026,6 +1028,12 @@ static int parse_manifest_representation(AVFormatContext *s, const char *url,
av_log(s, AV_LOG_TRACE, "rep->fragment_timescale = [%"PRId64"]\n", rep->fragment_timescale);
xmlFree(timescale_val);
}
if (startnumber_val) {
rep->start_number = rep->first_seq_no = (int64_t) strtoll(startnumber_val, NULL, 10);
av_log(s, AV_LOG_TRACE, "rep->first_seq_no = [%"PRId64"]\n", rep->first_seq_no);
xmlFree(startnumber_val);
}
fragmenturl_node = xmlFirstElementChild(representation_segmentlist_node);
while (fragmenturl_node) {
ret = parse_manifest_segmenturlnode(s, rep, fragmenturl_node,