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dvdreadsrc: take into account first sector of the current title

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This fixes seeking on titles which do not start on a new file.

https://bugzilla.gnome.org/show_bug.cgi?id=659252
This commit is contained in:
Vincent Penquerc'h 2011-09-16 15:35:06 +01:00 committed by Sebastian Dröge
parent 59ed3b7bf2
commit 40274ad92f
1 changed files with 23 additions and 0 deletions
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23
ext/dvdread/dvdreadsrc.c
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@ -1183,6 +1183,17 @@ gst_dvd_read_src_handle_seek_event (GstDvdReadSrc * src, GstEvent * event)
return GST_BASE_SRC_CLASS (parent_class)->event (GST_BASE_SRC (src), event);
}
static void
gst_dvd_read_src_get_sector_bounds (GstDvdReadSrc * src, gint * first,
gint * last)
{
gint c1, c2, tmp;
cur_title_get_chapter_bounds (src, 0, &c1, &tmp);
cur_title_get_chapter_bounds (src, src->num_chapters - 1, &tmp, &c2);
*first = src->cur_pgc->cell_playback[c1].first_sector;
*last = src->cur_pgc->cell_playback[c2].last_sector;
}
static gboolean
gst_dvd_read_src_do_seek (GstBaseSrc * basesrc, GstSegment * s)
{
@ -1200,9 +1211,17 @@ gst_dvd_read_src_do_seek (GstBaseSrc * basesrc, GstSegment * s)
old = src->cur_pack;
if (s->format == sector_format) {
gint first, last;
gst_dvd_read_src_get_sector_bounds (src, &first, &last);
GST_DEBUG_OBJECT (src, "Format is sector, seeking to %d", s->last_stop);
src->cur_pack = s->last_stop;
if (src->cur_pack < first)
src->cur_pack = first;
if (src->cur_pack > last)
src->cur_pack = last;
} else if (s->format == GST_FORMAT_TIME) {
gint sector;
GST_DEBUG_OBJECT (src, "Format is time");
sector = gst_dvd_read_src_get_sector_from_time (src, s->last_stop);
@ -1215,12 +1234,16 @@ gst_dvd_read_src_do_seek (GstBaseSrc * basesrc, GstSegment * s)
src->cur_pack = sector;
} else {
/* byte format */
gint first, last;
gst_dvd_read_src_get_sector_bounds (src, &first, &last);
GST_DEBUG_OBJECT (src, "Format is byte");
src->cur_pack = s->last_stop / DVD_VIDEO_LB_LEN;
if (((gint64) src->cur_pack * DVD_VIDEO_LB_LEN) != s->last_stop) {
GST_LOG_OBJECT (src, "rounded down offset %" G_GINT64_FORMAT " => %"
G_GINT64_FORMAT, s->last_stop,
(gint64) src->cur_pack * DVD_VIDEO_LB_LEN);
}
src->cur_pack += first;
}
if (!gst_dvd_read_src_goto_sector (src, src->angle)) {