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videorate: clear discont on duplicated buffers

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When videorate duplicates a buffer with a DISCONT flag, it copies the discont on
the first pushed buffer but fails to clear it for subsequent buffers. This
causes theoraenc!oggmux and possibly other elements to consider this a discont
stream.

Fix videorate to produce discont as the first buffer and after a flushing seek.

Fixes #580271.
This commit is contained in:
Wim Taymans 2009-04-28 11:32:49 +02:00
parent e25f281de8
commit 915b3d139d
2 changed files with 12 additions and 0 deletions
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11
gst/videorate/gstvideorate.c
View file

@ -149,6 +149,7 @@ gst_video_rate_base_init (gpointer g_class)
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_video_rate_src_template));
}
static void
gst_video_rate_class_init (GstVideoRateClass * klass)
{
@ -357,6 +358,7 @@ gst_video_rate_reset (GstVideoRate * videorate)
videorate->drop = 0;
videorate->dup = 0;
videorate->next_ts = GST_CLOCK_TIME_NONE;
videorate->discont = TRUE;
gst_video_rate_swap_prev (videorate, NULL, 0);
gst_segment_init (&videorate->segment, GST_FORMAT_TIME);
@ -409,6 +411,12 @@ gst_video_rate_flush_prev (GstVideoRate * videorate)
GST_BUFFER_OFFSET (outbuf) = videorate->out;
GST_BUFFER_OFFSET_END (outbuf) = videorate->out + 1;
if (videorate->discont) {
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DISCONT);
videorate->discont = FALSE;
} else
GST_BUFFER_FLAG_UNSET (outbuf, GST_BUFFER_FLAG_DISCONT);
/* this is the timestamp we put on the buffer */
push_ts = videorate->next_ts;
@ -810,6 +818,9 @@ gst_video_rate_change_state (GstElement * element, GstStateChange transition)
videorate = GST_VIDEO_RATE (element);
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
videorate->discont = TRUE;
break;
default:
break;
}

1
gst/videorate/gstvideorate.h
View file

@ -56,6 +56,7 @@ struct _GstVideoRate
GstBuffer *prevbuf;
guint64 prev_ts; /* Previous buffer timestamp */
guint64 segment_out; /* in-segment counting */
gboolean discont;
/* segment handling */
GstSegment segment;