diff options
| -rw-r--r-- | gst/mpegdemux/gstmpegdemux.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/gst/mpegdemux/gstmpegdemux.c b/gst/mpegdemux/gstmpegdemux.c index 51b1ff1b..dbf1567a 100644 --- a/gst/mpegdemux/gstmpegdemux.c +++ b/gst/mpegdemux/gstmpegdemux.c @@ -1383,11 +1383,66 @@ gst_flups_demux_src_query (GstPad * pad, GstQuery * query) res = TRUE; break; } + case GST_QUERY_SEEKING:{ + GstFormat fmt; + + gst_query_parse_seeking (query, &fmt, NULL, NULL, NULL); + + res = TRUE; + if (demux->random_access) { + /* In pull mode we can seek in TIME format if we have the SCR */ + if (fmt != GST_FORMAT_TIME || demux->scr_rate_n == G_MAXUINT64 + || demux->scr_rate_d == G_MAXUINT64) + gst_query_set_seeking (query, fmt, FALSE, -1, -1); + else + gst_query_set_seeking (query, fmt, TRUE, 0, -1); + } else { + if (fmt == GST_FORMAT_BYTES) { + /* Seeking in BYTES format not supported at all */ + gst_query_set_seeking (query, fmt, FALSE, -1, -1); + } else { + GstQuery *peerquery; + gboolean seekable; + + /* Then ask upstream */ + res = gst_pad_peer_query (demux->sinkpad, query); + if (res) { + /* If upstream can handle seeks we're done, if it + * can't we still have our TIME->BYTES conversion seek + */ + gst_query_parse_seeking (query, NULL, &seekable, NULL, NULL); + if (seekable || fmt != GST_FORMAT_TIME) + goto beach; + } + + /* We can seek if upstream supports BYTES seeks and we + * have the SCR + */ + peerquery = gst_query_new_seeking (GST_FORMAT_BYTES); + res = gst_pad_peer_query (demux->sinkpad, query); + if (!res || demux->scr_rate_n == G_MAXUINT64 + || demux->scr_rate_d == G_MAXUINT64) { + gst_query_set_seeking (query, fmt, FALSE, -1, -1); + } else { + gst_query_parse_seeking (peerquery, NULL, &seekable, NULL, NULL); + if (seekable) + gst_query_set_seeking (query, GST_FORMAT_TIME, TRUE, 0, -1); + else + gst_query_set_seeking (query, fmt, FALSE, -1, -1); + } + + gst_query_unref (peerquery); + res = TRUE; + } + } + break; + } default: res = gst_pad_query_default (pad, query); break; } +beach: gst_object_unref (demux); return res; |