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baseparse: reduce locking

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... which is either already mute and/or implicitly handled by STREAM_LOCK.
This commit is contained in:
Mark Nauwelaerts 2010-12-10 14:40:05 +01:00 committed by Tim-Philipp Müller
parent d45cdf65d5
commit c1adec7c76
2 changed files with 3 additions and 46 deletions
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27
gst/audioparsers/gstbaseparse.c
View file

@ -392,7 +392,6 @@ gst_base_parse_finalize (GObject * object)
GstBaseParse *parse = GST_BASE_PARSE (object);
GstEvent **p_ev;
g_mutex_free (parse->parse_lock);
g_object_unref (parse->adapter);
if (parse->pending_segment) {
@ -494,7 +493,6 @@ gst_base_parse_init (GstBaseParse * parse, GstBaseParseClass * bclass)
gst_element_add_pad (GST_ELEMENT (parse), parse->srcpad);
GST_DEBUG_OBJECT (parse, "src created");
parse->parse_lock = g_mutex_new ();
parse->adapter = gst_adapter_new ();
parse->priv->pad_mode = GST_ACTIVATE_NONE;
@ -1909,9 +1907,7 @@ gst_base_parse_chain (GstPad * pad, GstBuffer * buffer)
/* Synchronization loop */
for (;;) {
GST_BASE_PARSE_LOCK (parse);
min_size = parse->priv->min_frame_size;
GST_BASE_PARSE_UNLOCK (parse);
if (G_UNLIKELY (parse->priv->drain)) {
min_size = gst_adapter_available (parse->adapter);
@ -2182,9 +2178,7 @@ gst_base_parse_scan_frame (GstBaseParse * parse, GstBaseParseClass * klass,
while (TRUE) {
GST_BASE_PARSE_LOCK (parse);
min_size = parse->priv->min_frame_size;
GST_BASE_PARSE_UNLOCK (parse);
ret = gst_base_parse_pull_range (parse, min_size, &buffer);
if (ret != GST_FLOW_OK)
@ -2523,7 +2517,6 @@ gst_base_parse_set_duration (GstBaseParse * parse,
{
g_return_if_fail (parse != NULL);
GST_BASE_PARSE_LOCK (parse);
if (parse->priv->upstream_has_duration) {
GST_DEBUG_OBJECT (parse, "using upstream duration; discarding update");
goto exit;
@ -2549,7 +2542,7 @@ gst_base_parse_set_duration (GstBaseParse * parse,
GST_DEBUG_OBJECT (parse, "set update interval: %d", interval);
parse->priv->update_interval = interval;
exit:
GST_BASE_PARSE_UNLOCK (parse);
return;
}
/**
@ -2588,10 +2581,8 @@ gst_base_parse_set_min_frame_size (GstBaseParse * parse, guint min_size)
{
g_return_if_fail (parse != NULL);
GST_BASE_PARSE_LOCK (parse);
parse->priv->min_frame_size = min_size;
GST_LOG_OBJECT (parse, "set frame_min_size: %d", min_size);
GST_BASE_PARSE_UNLOCK (parse);
}
/**
@ -2607,10 +2598,8 @@ gst_base_parse_set_passthrough (GstBaseParse * parse, gboolean passthrough)
{
g_return_if_fail (parse != NULL);
GST_BASE_PARSE_LOCK (parse);
parse->priv->passthrough = passthrough;
GST_LOG_OBJECT (parse, "set passthrough: %d", passthrough);
GST_BASE_PARSE_UNLOCK (parse);
}
/**
@ -2633,7 +2622,6 @@ gst_base_parse_set_frame_props (GstBaseParse * parse, guint fps_num,
{
g_return_if_fail (parse != NULL);
GST_BASE_PARSE_LOCK (parse);
parse->priv->fps_num = fps_num;
parse->priv->fps_den = fps_den;
if (!fps_num || !fps_den) {
@ -2659,7 +2647,6 @@ gst_base_parse_set_frame_props (GstBaseParse * parse, guint fps_num,
"lead out: %d frames = %" G_GUINT64_FORMAT " ms",
lead_in, parse->priv->lead_in_ts / GST_MSECOND,
lead_out, parse->priv->lead_out_ts / GST_MSECOND);
GST_BASE_PARSE_UNLOCK (parse);
}
/**
@ -2676,10 +2663,8 @@ gst_base_parse_get_sync (GstBaseParse * parse)
g_return_val_if_fail (parse != NULL, FALSE);
GST_BASE_PARSE_LOCK (parse);
/* losing sync is pretty much a discont (and vice versa), no ? */
ret = !parse->priv->discont;
GST_BASE_PARSE_UNLOCK (parse);
GST_DEBUG_OBJECT (parse, "sync: %d", ret);
return ret;
@ -2699,10 +2684,8 @@ gst_base_parse_get_drain (GstBaseParse * parse)
g_return_val_if_fail (parse != NULL, FALSE);
GST_BASE_PARSE_LOCK (parse);
/* losing sync is pretty much a discont (and vice versa), no ? */
ret = parse->priv->drain;
GST_BASE_PARSE_UNLOCK (parse);
GST_DEBUG_OBJECT (parse, "drain: %d", ret);
return ret;
@ -2784,7 +2767,7 @@ gst_base_parse_query (GstPad * pad, GstQuery * query)
GST_DEBUG_OBJECT (parse, "position query");
gst_query_parse_position (query, &format, NULL);
g_mutex_lock (parse->parse_lock);
GST_OBJECT_LOCK (parse);
if (format == GST_FORMAT_BYTES) {
dest_value = parse->priv->offset;
res = TRUE;
@ -2793,7 +2776,7 @@ gst_base_parse_query (GstPad * pad, GstQuery * query)
dest_value = parse->segment.last_stop;
res = TRUE;
}
g_mutex_unlock (parse->parse_lock);
GST_OBJECT_UNLOCK (parse);
if (res)
gst_query_set_position (query, format, dest_value);
@ -2802,10 +2785,8 @@ gst_base_parse_query (GstPad * pad, GstQuery * query)
if (!res) {
/* no precise result, upstream no idea either, then best estimate */
/* priv->offset is updated in both PUSH/PULL modes */
g_mutex_lock (parse->parse_lock);
res = gst_base_parse_convert (parse,
GST_FORMAT_BYTES, parse->priv->offset, format, &dest_value);
g_mutex_unlock (parse->parse_lock);
}
}
break;
@ -2823,9 +2804,7 @@ gst_base_parse_query (GstPad * pad, GstQuery * query)
/* otherwise best estimate from us */
if (!res) {
g_mutex_lock (parse->parse_lock);
res = gst_base_parse_get_duration (parse, format, &duration);
g_mutex_unlock (parse->parse_lock);
if (res)
gst_query_set_duration (query, format, duration);
}

22
gst/audioparsers/gstbaseparse.h
View file

@ -110,26 +110,6 @@ G_BEGIN_DECLS
*/
#define GST_BASE_PARSE_BUFFER_FLAG_NO_FRAME GST_BUFFER_FLAG_LAST
/**
* GST_BASE_PARSE_LOCK:
* @obj: base parse instance
*
* Obtain a lock to protect the parse function from concurrent access.
*
* Since: 0.10.x
*/
#define GST_BASE_PARSE_LOCK(obj) g_mutex_lock (GST_BASE_PARSE_CAST (obj)->parse_lock)
/**
* GST_BASE_PARSE_UNLOCK:
* @obj: base parse instance
*
* Release the lock that protects the parse function from concurrent access.
*
* Since: 0.10.x
*/
#define GST_BASE_PARSE_UNLOCK(obj) g_mutex_unlock (GST_BASE_PARSE_CAST (obj)->parse_lock)
/**
* GstBaseParseSeekable:
@ -173,8 +153,6 @@ struct _GstBaseParse {
/* Segment event that closes the running segment prior to SEEK */
GstEvent *close_segment;
GMutex *parse_lock;
/*< private >*/
gpointer _gst_reserved[GST_PADDING_LARGE];
GstBaseParsePrivate *priv;