diff options
| -rw-r--r-- | ext/closedcaption/gstcccombiner.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/ext/closedcaption/gstcccombiner.c b/ext/closedcaption/gstcccombiner.c index bc7588403..a8adb7845 100644 --- a/ext/closedcaption/gstcccombiner.c +++ b/ext/closedcaption/gstcccombiner.c @@ -145,6 +145,32 @@ gst_cc_combiner_collect_captions (GstCCCombiner * self, gboolean timeout) continue; } + if (gst_buffer_get_size (caption_buf) == 0 && + GST_BUFFER_FLAG_IS_SET (caption_buf, GST_BUFFER_FLAG_GAP)) { + /* This is a gap, we can go ahead. We only consume it once its end point + * is behind the current video running time. Important to note that + * we can't deal with gaps with no duration (-1) + */ + if (!GST_CLOCK_TIME_IS_VALID (GST_BUFFER_DURATION (caption_buf))) { + GST_ERROR_OBJECT (self, "GAP buffer without a duration"); + + gst_buffer_unref (caption_buf); + gst_object_unref (caption_pad); + + return GST_FLOW_ERROR; + } + + gst_buffer_unref (caption_buf); + + if (caption_time + GST_BUFFER_DURATION (caption_buf) < + self->current_video_running_time_end) { + gst_aggregator_pad_drop_buffer (caption_pad); + continue; + } else { + break; + } + } + /* Collected all caption buffers for this video buffer */ if (caption_time >= self->current_video_running_time_end) { gst_buffer_unref (caption_buf); |