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hlsdemux2: Refactor update of GstHLSTimeMap values

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This was also missing transferring the PDT if present
This commit is contained in:
Edward Hervey 2024-04-12 15:52:23 +02:00
parent 4fbf2a8976
commit 68501851f4
3 changed files with 35 additions and 25 deletions
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8
subprojects/gst-plugins-good/ext/adaptivedemux2/hls/gsthlsdemux-stream.c
View file

@ -537,8 +537,8 @@ gst_hlsdemux_stream_handle_internal_time (GstHLSDemuxStream * hls_stream,
if (hls_stream->parser_type == GST_HLS_PARSER_ISOBMFF)
hls_stream->presentation_offset = internal_time - current_stream_time;
map->stream_time = current_stream_time;
map->internal_time = internal_time;
gst_time_map_set_values (map, current_stream_time, internal_time,
current_segment->datetime);
gst_hls_demux_start_rendition_streams (demux);
return GST_HLS_PARSER_RESULT_DONE;
@ -550,8 +550,8 @@ gst_hlsdemux_stream_handle_internal_time (GstHLSDemuxStream * hls_stream,
"DISCONT segment, Updating time map to stream_time:%" GST_STIME_FORMAT
" internal_time:%" GST_TIME_FORMAT, GST_STIME_ARGS (internal_time),
GST_TIME_ARGS (current_stream_time));
map->stream_time = current_stream_time;
map->internal_time = internal_time;
gst_time_map_set_values (map, current_stream_time, internal_time,
current_segment->datetime);
return GST_HLS_PARSER_RESULT_DONE;
}

50
subprojects/gst-plugins-good/ext/adaptivedemux2/hls/gsthlsdemux.c
View file

@ -916,6 +916,34 @@ gst_hls_time_map_free (GstHLSTimeMap * map)
g_free (map);
}
void
gst_time_map_set_values (GstHLSTimeMap * map, GstClockTimeDiff stream_time,
GstClockTime internal_time, GDateTime * pdt)
{
GstClockTime offset = 0;
if (stream_time < 0) {
offset = -stream_time;
stream_time = 0;
/* Handle negative stream times. This can happen for example when the server
* returns an older playlist.
*
* Shift the values accordingly to end up with non-negative reference stream
* time */
GST_DEBUG ("Shifting values before storage (offset : %" GST_TIME_FORMAT ")",
GST_TIME_ARGS (offset));
}
map->stream_time = stream_time;
map->internal_time = internal_time;
if (pdt) {
if (offset)
map->pdt = g_date_time_add (pdt, offset / GST_USECOND);
else
map->pdt = g_date_time_ref (pdt);
}
}
void
gst_hls_demux_add_time_mapping (GstHLSDemux * demux, gint64 dsn,
GstClockTimeDiff stream_time, GDateTime * pdt)
@ -925,7 +953,6 @@ gst_hls_demux_add_time_mapping (GstHLSDemux * demux, gint64 dsn,
#endif
GstHLSTimeMap *map;
GList *tmp;
GstClockTime offset = 0;
/* Check if we don't already have a mapping for the given dsn */
for (tmp = demux->mappings; tmp; tmp = tmp->next) {
@ -955,28 +982,9 @@ gst_hls_demux_add_time_mapping (GstHLSDemux * demux, gint64 dsn,
g_free (datestring);
#endif
if (stream_time < 0) {
offset = -stream_time;
stream_time = 0;
/* Handle negative stream times. This can happen for example when the server
* returns an older playlist.
*
* Shift the values accordingly to end up with non-negative reference stream
* time */
GST_DEBUG_OBJECT (demux,
"Shifting values before storage (offset : %" GST_TIME_FORMAT ")",
GST_TIME_ARGS (offset));
}
map = gst_hls_time_map_new ();
map->dsn = dsn;
map->stream_time = stream_time;
if (pdt) {
if (offset)
map->pdt = g_date_time_add (pdt, offset / GST_USECOND);
else
map->pdt = g_date_time_ref (pdt);
}
gst_time_map_set_values (map, stream_time, GST_CLOCK_TIME_NONE, pdt);
demux->mappings = g_list_append (demux->mappings, map);
}

2
subprojects/gst-plugins-good/ext/adaptivedemux2/hls/gsthlsdemux.h
View file

@ -129,6 +129,8 @@ gboolean gst_hls_demux_change_variant_playlist (GstHLSDemux * demux,
GstFlowReturn gst_hls_demux_update_variant_playlist (GstHLSDemux * demux,
GError ** err);
void gst_time_map_set_values (GstHLSTimeMap *map, GstClockTimeDiff stream_time,
GstClockTime internal_time, GDateTime *pdt);
void gst_hls_demux_add_time_mapping (GstHLSDemux * demux, gint64 dsn,
GstClockTimeDiff stream_time, GDateTime * pdt);
void gst_hls_update_time_mappings (GstHLSDemux * demux,