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baseparse: minor fixes and enhancements

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Arrange for upstream as well as downstream flushing when seeking.
Also determine upstream size as well as seekability.  Adjust some comments
to reality and employ debug statement in proper order.
This commit is contained in:
Mark Nauwelaerts 2010-11-16 17:04:35 +01:00
parent b65da8e775
commit f82f330537
1 changed files with 13 additions and 3 deletions
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16
gst/audioparsers/gstbaseparse.c
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@ -259,6 +259,7 @@ struct _GstBaseParsePrivate
/* seek table entries only maintained if upstream is BYTE seekable */
gboolean upstream_seekable;
gboolean upstream_has_duration;
gint64 upstream_size;
/* minimum distance between two index entries */
GstClockTimeDiff idx_interval;
/* ts and offset of last entry added */
@ -530,6 +531,7 @@ gst_base_parse_reset (GstBaseParse * parse)
parse->priv->index_last_ts = 0;
parse->priv->index_last_offset = 0;
parse->priv->upstream_seekable = FALSE;
parse->priv->upstream_size = 0;
parse->priv->upstream_has_duration = FALSE;
parse->priv->idx_interval = 0;
parse->priv->exact_position = TRUE;
@ -537,8 +539,10 @@ gst_base_parse_reset (GstBaseParse * parse)
parse->priv->last_ts = GST_CLOCK_TIME_NONE;
parse->priv->last_offset = 0;
if (parse->pending_segment)
if (parse->pending_segment) {
gst_event_unref (parse->pending_segment);
parse->pending_segment = NULL;
}
g_list_foreach (parse->priv->pending_events, (GFunc) gst_mini_object_unref,
NULL);
@ -1295,6 +1299,7 @@ done:
GST_DEBUG_OBJECT (parse, "seekable: %d (%" G_GUINT64_FORMAT " - %"
G_GUINT64_FORMAT ")", seekable, start, stop);
parse->priv->upstream_seekable = seekable;
parse->priv->upstream_size = seekable ? stop : 0;
GST_DEBUG_OBJECT (parse, "idx_interval: %ums", idx_interval);
parse->priv->idx_interval = idx_interval * GST_MSECOND;
@ -1574,9 +1579,9 @@ gst_base_parse_push_buffer (GstBaseParse * parse, GstBuffer * buffer)
ret = GST_FLOW_OK;
} else if (ret == GST_FLOW_OK) {
if (parse->segment.rate > 0.0) {
ret = gst_pad_push (parse->srcpad, buffer);
GST_LOG_OBJECT (parse, "frame (%d bytes) pushed: %s",
GST_BUFFER_SIZE (buffer), gst_flow_get_name (ret));
ret = gst_pad_push (parse->srcpad, buffer);
} else {
GST_LOG_OBJECT (parse, "frame (%d bytes) queued for now",
GST_BUFFER_SIZE (buffer));
@ -2855,7 +2860,7 @@ gst_base_parse_handle_seek (GstBaseParse * parse, GstEvent * event)
GST_TIME_FORMAT, gst_format_get_name (format), rate,
cur_type, GST_TIME_ARGS (cur), stop_type, GST_TIME_ARGS (stop));
/* no negative rates yet */
/* no negative rates in push mode */
if (rate < 0.0 && parse->priv->pad_mode == GST_ACTIVATE_PUSH)
goto negative_rate;
@ -2937,6 +2942,8 @@ gst_base_parse_handle_seek (GstBaseParse * parse, GstEvent * event)
if (parse->srcpad) {
GST_DEBUG_OBJECT (parse, "sending flush start");
gst_pad_push_event (parse->srcpad, gst_event_new_flush_start ());
/* unlock upstream pull_range */
gst_pad_push_event (parse->sinkpad, gst_event_new_flush_start ());
}
} else {
gst_pad_pause_task (parse->sinkpad);
@ -2957,6 +2964,7 @@ gst_base_parse_handle_seek (GstBaseParse * parse, GstEvent * event)
if (flush) {
GST_DEBUG_OBJECT (parse, "sending flush stop");
gst_pad_push_event (parse->srcpad, gst_event_new_flush_stop ());
gst_pad_push_event (parse->sinkpad, gst_event_new_flush_stop ());
gst_base_parse_clear_queues (parse);
} else {
if (parse->close_segment)
@ -3022,6 +3030,8 @@ gst_base_parse_handle_seek (GstBaseParse * parse, GstEvent * event)
seek event (in bytes) to upstream. Segment / flush handling happens
in corresponding src event handlers */
GST_DEBUG_OBJECT (parse, "seek in PUSH mode");
if (seekstop >= 0 && seekpos <= seekpos)
seekstop = seekpos;
new_event = gst_event_new_seek (rate, GST_FORMAT_BYTES, flush,
GST_SEEK_TYPE_SET, seekpos, stop_type, seekstop);