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dvdspu: Don't accidentally lose the colour palette when flushing the SPU

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Fixes racy startup on DVDs where it sometimes gets entirely the wrong set
of colours in the menus and subtitles.
This commit is contained in:
Jan Schmidt 2009-05-22 13:07:38 +01:00
parent 707eaf7684
commit a7cd4b03ad
1 changed files with 16 additions and 9 deletions
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25
gst/dvdspu/gstdvdspu.c
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@ -101,10 +101,12 @@ static GstFlowReturn gst_dvd_spu_subpic_chain (GstPad * pad, GstBuffer * buf);
static gboolean gst_dvd_spu_subpic_event (GstPad * pad, GstEvent * event);
static void gst_dvd_spu_clear (GstDVDSpu * dvdspu);
static void gst_dvd_spu_flush_spu_info (GstDVDSpu * dvdspu);
static void gst_dvd_spu_flush_spu_info (GstDVDSpu * dvdspu,
gboolean process_events);
static void gst_dvd_spu_advance_spu (GstDVDSpu * dvdspu, GstClockTime new_ts);
static GstFlowReturn
dvdspu_handle_vid_buffer (GstDVDSpu * dvdspu, GstBuffer * buf);
static void gst_dvd_spu_handle_dvd_event (GstDVDSpu * dvdspu, GstEvent * event);
static void
gst_dvd_spu_base_init (gpointer gclass)
@ -179,7 +181,8 @@ gst_dvd_spu_init (GstDVDSpu * dvdspu, GstDVDSpuClass * gclass)
static void
gst_dvd_spu_clear (GstDVDSpu * dvdspu)
{
gst_dvd_spu_flush_spu_info (dvdspu);
gst_dvd_spu_flush_spu_info (dvdspu, FALSE);
gst_segment_init (&dvdspu->subp_seg, GST_FORMAT_UNDEFINED);
gst_buffer_replace (&dvdspu->ref_frame, NULL);
gst_buffer_replace (&dvdspu->pending_frame, NULL);
@ -223,15 +226,13 @@ gst_dvd_spu_finalize (GObject * object)
/* With SPU lock held, clear the queue of SPU packets */
static void
gst_dvd_spu_flush_spu_info (GstDVDSpu * dvdspu)
gst_dvd_spu_flush_spu_info (GstDVDSpu * dvdspu, gboolean process_events)
{
SpuPacket *packet;
SpuState *state = &dvdspu->spu_state;
GST_INFO_OBJECT (dvdspu, "Flushing SPU information");
gst_segment_init (&dvdspu->subp_seg, GST_FORMAT_UNDEFINED);
if (dvdspu->partial_spu) {
gst_buffer_unref (dvdspu->partial_spu);
dvdspu->partial_spu = NULL;
@ -239,10 +240,15 @@ gst_dvd_spu_flush_spu_info (GstDVDSpu * dvdspu)
packet = (SpuPacket *) g_queue_pop_head (dvdspu->pending_spus);
while (packet != NULL) {
if (packet->buf)
if (packet->buf) {
gst_buffer_unref (packet->buf);
if (packet->event)
gst_event_unref (packet->event);
g_assert (packet->event == NULL);
} else if (packet->event) {
if (process_events)
gst_dvd_spu_handle_dvd_event (dvdspu, packet->event);
else
gst_event_unref (packet->event);
}
g_free (packet);
packet = (SpuPacket *) g_queue_pop_head (dvdspu->pending_spus);
}
@ -1386,7 +1392,8 @@ gst_dvd_spu_subpic_event (GstPad * pad, GstEvent * event)
goto done;
case GST_EVENT_FLUSH_STOP:
DVD_SPU_LOCK (dvdspu);
gst_dvd_spu_flush_spu_info (dvdspu);
gst_segment_init (&dvdspu->subp_seg, GST_FORMAT_UNDEFINED);
gst_dvd_spu_flush_spu_info (dvdspu, TRUE);
DVD_SPU_UNLOCK (dvdspu);
/* We don't forward flushes on the spu pad */