> On 26 Mar 2018, at 04:01, sanilraut <raut.sa...@gmail.com> wrote: > > Last segment indicated by mpd is not parsed. > Example stream: > http://dash.akamaized.net/dash264/TestCasesIOP41/LastSegmentNumber/1/manifest_last_segment_num.mpd > > This patch supports parsing of Supplemental Descriptor with @schemeIdUri set > to http://dashif.org/guide- > lines/last-segment-number with the @value set to the last segment number. > > --- > libavformat/dashdec.c | 22 +++++++++++++++++++--- > 1 file changed, 19 insertions(+), 3 deletions(-) > > diff --git a/libavformat/dashdec.c b/libavformat/dashdec.c > index 7b79b93..db63a99 100644 > --- a/libavformat/dashdec.c > +++ b/libavformat/dashdec.c > @@ -805,7 +805,8 @@ static int parse_manifest_representation(AVFormatContext > *s, const char *url, > xmlNodePtr fragment_template_node, > xmlNodePtr content_component_node, > xmlNodePtr adaptionset_baseurl_node, > - xmlNodePtr > adaptionset_segmentlist_node) > + xmlNodePtr > adaptionset_segmentlist_node, > + xmlNodePtr > adaptionset_supplementalproperty_node) > { > int32_t ret = 0; > int32_t audio_rep_idx = 0; > @@ -825,6 +826,7 @@ static int parse_manifest_representation(AVFormatContext > *s, const char *url, > char *timescale_val = NULL; > char *initialization_val = NULL; > char *media_val = NULL; > + char *val = NULL; > xmlNodePtr baseurl_nodes[4]; > xmlNodePtr representation_node = node; > char *rep_id_val = xmlGetProp(representation_node, "id"); > @@ -920,6 +922,13 @@ static int parse_manifest_representation(AVFormatContext > *s, const char *url, > rep->first_seq_no = (int64_t) strtoll(startnumber_val, NULL, > 10); > xmlFree(startnumber_val); > } > + if (adaptionset_supplementalproperty_node) { > + if > (!strcmp(xmlGetProp(adaptionset_supplementalproperty_node,"schemeIdUri"), > "http://dashif.org/guidelines/last-segment-number";)) { av_strcasecmp > + val = > xmlGetProp(adaptionset_supplementalproperty_node,"value”); val need be checked if xmlGetProp will be failed > + rep->last_seq_no =(int64_t) strtoll(val, NULL, 10) - 1; > + xmlFree(val); > + } > + } > > fragment_timeline_node = > find_child_node_by_name(representation_segmenttemplate_node, > "SegmentTimeline"); > > @@ -1054,6 +1063,7 @@ static int parse_manifest_adaptationset(AVFormatContext > *s, const char *url, > xmlNodePtr content_component_node = NULL; > xmlNodePtr adaptionset_baseurl_node = NULL; > xmlNodePtr adaptionset_segmentlist_node = NULL; > + xmlNodePtr adaptionset_supplementalproperty_node = NULL; > xmlNodePtr node = NULL; > > node = xmlFirstElementChild(adaptionset_node); > @@ -1066,6 +1076,8 @@ static int parse_manifest_adaptationset(AVFormatContext > *s, const char *url, > adaptionset_baseurl_node = node; > } else if (!av_strcasecmp(node->name, (const char *)"SegmentList")) { > adaptionset_segmentlist_node = node; > + } else if (!av_strcasecmp(node->name, (const char > *)"SupplementalProperty")) { > + adaptionset_supplementalproperty_node = node; > } else if (!av_strcasecmp(node->name, (const char > *)"Representation")) { > ret = parse_manifest_representation(s, url, node, > adaptionset_node, > @@ -1076,7 +1088,8 @@ static int parse_manifest_adaptationset(AVFormatContext > *s, const char *url, > fragment_template_node, > content_component_node, > adaptionset_baseurl_node, > - > adaptionset_segmentlist_node); > + adaptionset_segmentlist_node, > + > adaptionset_supplementalproperty_node); > if (ret < 0) { > return ret; > } > @@ -1819,7 +1832,10 @@ static int open_demux_for_component(AVFormatContext > *s, struct representation *p > > pls->parent = s; > pls->cur_seq_no = calc_cur_seg_no(s, pls); > - pls->last_seq_no = calc_max_seg_no(pls, s->priv_data); > + > + if (!pls->last_seq_no) { > + pls->last_seq_no = calc_max_seg_no(pls, s->priv_data); > + } > > ret = reopen_demux_for_component(s, pls); > if (ret < 0) { > -- > > Thanks > > 2.7.4 > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
Thanks Steven _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
