[PATCH] winegstreamer: Avoid truncating the stream when duration is incorrect.

[Anton Baskanov]

Signed-off-by: Anton Baskanov 
---
This should fix the Fallout: New Vegas audio looping bug and probably some
other games that use mp3 soundtracks.

BTW, is it a good idea to submit such workarounds, or is it
better to leave it broken until a proper fix is found? Another alternative
would be to simply revert commit d7fecebe93938bf1ef2349ac74413e28d6b8e153.
---
 dlls/winegstreamer/quartz_parser.c | 10 +++++++++-
 dlls/winegstreamer/wg_parser.c     |  6 +++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/dlls/winegstreamer/quartz_parser.c b/dlls/winegstreamer/quartz_parser.c
index e12a0c49eb3..f9260fd72a2 100644
--- a/dlls/winegstreamer/quartz_parser.c
+++ b/dlls/winegstreamer/quartz_parser.c
@@ -863,6 +863,7 @@ static HRESULT parser_init_stream(struct strmbase_filter *iface)
     struct parser *filter = impl_from_strmbase_filter(iface);
     DWORD stop_flags = AM_SEEKING_NoPositioning;
     const SourceSeeking *seeking;
+    uint64_t stop_pos = ((uint64_t)0x80000000) << 32;
     unsigned int i;

if (!filter->sink_connected)
@@ -877,8 +878,15 @@ static HRESULT parser_init_stream(struct strmbase_filter *iface)
     seeking = &filter->sources[0]->seek;
     if (seeking->llStop)
         stop_flags = AM_SEEKING_AbsolutePositioning;
+
+    /* Stream duration is determined incorrectly for some formats (e.g. mp3).
+     * Until this is fixed, setting stop position to infinity instead of
+     * seeking->llDuration helps avoid truncating the stream. */
+    if (seeking->llStop != seeking->llDuration)
+        stop_pos = seeking->llStop;
+
     unix_funcs->wg_parser_stream_seek(filter->sources[0]->wg_stream, seeking->dRate,
-            seeking->llCurrent, seeking->llStop, AM_SEEKING_AbsolutePositioning, stop_flags);
+            seeking->llCurrent, stop_pos, AM_SEEKING_AbsolutePositioning, stop_flags);

for (i = 0; i < filter->source_count; ++i)
     {
diff --git a/dlls/winegstreamer/wg_parser.c b/dlls/winegstreamer/wg_parser.c
index 5529321490e..096a20b4496 100644
--- a/dlls/winegstreamer/wg_parser.c
+++ b/dlls/winegstreamer/wg_parser.c
@@ -673,6 +673,7 @@ static bool CDECL wg_parser_stream_seek(struct wg_parser_stream *stream, double
         uint64_t start_pos, uint64_t stop_pos, DWORD start_flags, DWORD stop_flags)
 {
     GstSeekType start_type = GST_SEEK_TYPE_SET, stop_type = GST_SEEK_TYPE_SET;
+    gint64 gst_stop_pos = -1;
     GstSeekFlags flags = 0;

if (start_flags & AM_SEEKING_SeekToKeyFrame)
@@ -687,8 +688,11 @@ static bool CDECL wg_parser_stream_seek(struct wg_parser_stream *stream, double
     if ((stop_flags & AM_SEEKING_PositioningBitsMask) == AM_SEEKING_NoPositioning)
         stop_type = GST_SEEK_TYPE_NONE;

+    if (stop_pos != (((uint64_t)0x80000000) << 32))
+        gst_stop_pos = stop_pos * 100;
+
     return gst_pad_push_event(stream->my_sink, gst_event_new_seek(rate,
-            GST_FORMAT_TIME, flags, start_type, start_pos * 100, stop_type, stop_pos * 100));
+            GST_FORMAT_TIME, flags, start_type, start_pos * 100, stop_type, gst_stop_pos));
 }

static void CDECL wg_parser_stream_notify_qos(struct wg_parser_stream *stream,