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mpdparser: Calculate the number of segments we have when a segment template instead of a list is used

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Otherwise we would just continue downloading new files forever until we get
404 for the first one, and then error out instead of going EOS.
This commit is contained in:
Sebastian Dröge 2015-06-05 14:10:43 +02:00
parent abed8af00c
commit 15de547760
1 changed files with 43 additions and 16 deletions
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59
ext/dash/gstmpdparser.c
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@ -157,7 +157,8 @@ static GstSegmentListNode *gst_mpdparser_get_segment_list (GstPeriodNode *
GstRepresentationNode * Representation);
/* Segments */
static guint gst_mpd_client_get_segments_counts (GstActiveStream * stream);
static guint gst_mpd_client_get_segments_counts (GstMpdClient * client,
GstActiveStream * stream);
/* Memory management */
static GstSegmentTimelineNode *gst_mpdparser_segment_timeline_node_new (void);
@ -3578,12 +3579,20 @@ gst_mpd_client_stream_seek (GstMpdClient * client, GstActiveStream * stream,
} else {
GstClockTime duration =
gst_mpd_client_get_segment_duration (client, stream, NULL);
guint segments_count = gst_mpd_client_get_segments_counts (client, stream);
g_return_val_if_fail (stream->cur_seg_template->
MultSegBaseType->SegmentTimeline == NULL, FALSE);
if (!GST_CLOCK_TIME_IS_VALID (duration)) {
return FALSE;
}
index = ts / duration;
if (segments_count > 0 && index >= segments_count) {
stream->segment_index = segments_count;
stream->segment_repeat_index = 0;
GST_DEBUG ("Seek to after last segment");
return FALSE;
}
}
stream->segment_repeat_index = repeat_index;
@ -3656,7 +3665,7 @@ gst_mpd_client_get_last_fragment_timestamp_end (GstMpdClient * client,
stream = g_list_nth_data (client->active_streams, stream_idx);
g_return_val_if_fail (stream != NULL, 0);
segment_idx = gst_mpd_client_get_segments_counts (stream) - 1;
segment_idx = gst_mpd_client_get_segments_counts (client, stream) - 1;
currentChunk = g_ptr_array_index (stream->segments, segment_idx);
*ts =
@ -3690,9 +3699,12 @@ gst_mpd_client_get_next_fragment_timestamp (GstMpdClient * client,
} else {
GstClockTime duration =
gst_mpd_client_get_segment_duration (client, stream, NULL);
guint segments_count = gst_mpd_client_get_segments_counts (client, stream);
g_return_val_if_fail (stream->cur_seg_template->
MultSegBaseType->SegmentTimeline == NULL, FALSE);
if (!GST_CLOCK_TIME_IS_VALID (duration)) {
if (!GST_CLOCK_TIME_IS_VALID (duration) || (segments_count > 0
&& stream->segment_index >= segments_count)) {
return FALSE;
}
*ts = stream->segment_index * duration;
@ -3740,9 +3752,12 @@ gst_mpd_client_get_next_fragment (GstMpdClient * client,
} else {
GstClockTime duration = gst_mpd_client_get_segment_duration (client,
stream, NULL);
guint segments_count = gst_mpd_client_get_segments_counts (client, stream);
g_return_val_if_fail (stream->cur_seg_template->
MultSegBaseType->SegmentTimeline == NULL, FALSE);
if (!GST_CLOCK_TIME_IS_VALID (duration)) {
if (!GST_CLOCK_TIME_IS_VALID (duration) || (segments_count > 0
&& stream->segment_index >= segments_count)) {
return FALSE;
}
fragment->duration = duration;
@ -3875,9 +3890,9 @@ gst_mpd_client_has_next_segment (GstMpdClient * client,
GstActiveStream * stream, gboolean forward)
{
if (forward) {
if (stream->segments == NULL)
return TRUE;
if (stream->segment_index >= stream->segments->len)
guint segments_count = gst_mpd_client_get_segments_counts (client, stream);
if (segments_count > 0 && stream->segment_index >= segments_count)
return FALSE;
} else {
if (stream->segment_index < 0)
@ -3893,13 +3908,18 @@ gst_mpd_client_advance_segment (GstMpdClient * client, GstActiveStream * stream,
{
GstMediaSegment *segment;
GstFlowReturn ret = GST_FLOW_OK;
guint segments_count = gst_mpd_client_get_segments_counts (stream);
guint segments_count = gst_mpd_client_get_segments_counts (client, stream);
GST_DEBUG ("Advancing segment. Current: %d / %d r:%d", stream->segment_index,
segments_count, stream->segment_repeat_index);
/* handle special cases first */
if (forward) {
if (segments_count > 0 && stream->segment_index >= segments_count) {
ret = GST_FLOW_EOS;
goto done;
}
if (stream->segments == NULL) {
if (stream->segment_index < 0)
stream->segment_index = 0;
@ -3908,11 +3928,6 @@ gst_mpd_client_advance_segment (GstMpdClient * client, GstActiveStream * stream,
goto done;
}
if (stream->segment_index >= segments_count) {
ret = GST_FLOW_EOS;
goto done;
}
/* special case for when playback direction is reverted right at *
* the end of the segment list */
if (stream->segment_index < 0) {
@ -3965,7 +3980,7 @@ gst_mpd_client_advance_segment (GstMpdClient * client, GstActiveStream * stream,
done:
GST_DEBUG ("Advanced to segment: %d / %d r:%d (ret: %s)",
stream->segment_index, (stream->segments ? stream->segments->len : -1),
stream->segment_index, segments_count,
stream->segment_repeat_index, gst_flow_get_name (ret));
return ret;
}
@ -4084,10 +4099,13 @@ gst_mpd_client_get_next_fragment_duration (GstMpdClient * client,
} else {
GstClockTime duration =
gst_mpd_client_get_segment_duration (client, stream, NULL);
guint segments_count = gst_mpd_client_get_segments_counts (client, stream);
g_return_val_if_fail (stream->cur_seg_template->MultSegBaseType->
SegmentTimeline == NULL, 0);
if (GST_CLOCK_TIME_IS_VALID (duration))
if (GST_CLOCK_TIME_IS_VALID (duration) || (segments_count > 0
&& seg_idx >= segments_count))
return duration;
return 0;
}
@ -4224,14 +4242,23 @@ gst_mpd_client_seek_to_first_segment (GstMpdClient * client)
}
static guint
gst_mpd_client_get_segments_counts (GstActiveStream * stream)
gst_mpd_client_get_segments_counts (GstMpdClient * client,
GstActiveStream * stream)
{
GstStreamPeriod *stream_period;
g_return_val_if_fail (stream != NULL, 0);
if (stream->segments)
return stream->segments->len;
g_return_val_if_fail (stream->cur_seg_template->MultSegBaseType->
SegmentTimeline == NULL, 0);
stream_period = gst_mpdparser_get_stream_period (client);
if (stream_period->duration != -1)
return gst_util_uint64_scale_ceil (stream_period->duration, 1,
gst_mpd_client_get_segment_duration (client, stream, NULL));
return 0;
}