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urisourcebin: add low/high-watermark properties

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These are forwarded to the contained queues.

https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/issues/60
This commit is contained in:
Matthew Waters 2018-07-30 14:48:35 +10:00 committed by Edward Hervey
parent 8b69b689c0
commit 784e621b54
1 changed files with 47 additions and 1 deletions
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48
gst/playback/gsturisourcebin.c
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@ -140,6 +140,8 @@ struct _GstURISourceBin
guint buffer_size; /* When buffering, buffer size (bytes) */
gboolean download;
gboolean use_buffering;
gdouble low_watermark;
gdouble high_watermark;
GstElement *source;
GList *typefinds; /* list of typefind element */
@ -204,6 +206,8 @@ enum
#define DEFAULT_DOWNLOAD FALSE
#define DEFAULT_USE_BUFFERING TRUE
#define DEFAULT_RING_BUFFER_MAX_SIZE 0
#define DEFAULT_LOW_WATERMARK 0.01
#define DEFAULT_HIGH_WATERMARK 0.99
#define DEFAULT_CAPS (gst_static_caps_get (&default_raw_caps))
enum
@ -216,7 +220,9 @@ enum
PROP_BUFFER_DURATION,
PROP_DOWNLOAD,
PROP_USE_BUFFERING,
PROP_RING_BUFFER_MAX_SIZE
PROP_RING_BUFFER_MAX_SIZE,
PROP_LOW_WATERMARK,
PROP_HIGH_WATERMARK,
};
#define CUSTOM_EOS_QUARK _custom_eos_quark_get ()
@ -346,6 +352,30 @@ gst_uri_source_bin_class_init (GstURISourceBinClass * klass)
0, G_MAXUINT, DEFAULT_RING_BUFFER_MAX_SIZE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstURISourceBin::low-watermark
*
* Proportion of the queue size (either in bytes or time) for buffering
* to restart when crossed from above. Only used if use-buffering is TRUE.
*/
g_object_class_install_property (gobject_class, PROP_LOW_WATERMARK,
g_param_spec_double ("low-watermark", "Low watermark",
"Low threshold for buffering to start. Only used if use-buffering is True",
0.0, 1.0, DEFAULT_LOW_WATERMARK,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstURISourceBin::high-watermark
*
* Proportion of the queue size (either in bytes or time) to complete
* buffering. Only used if use-buffering is TRUE.
*/
g_object_class_install_property (gobject_class, PROP_HIGH_WATERMARK,
g_param_spec_double ("high-watermark", "High watermark",
"High threshold for buffering to finish. Only used if use-buffering is True",
0.0, 1.0, DEFAULT_HIGH_WATERMARK,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstURISourceBin::drained:
*
@ -420,6 +450,8 @@ gst_uri_source_bin_init (GstURISourceBin * urisrc)
urisrc->use_buffering = DEFAULT_USE_BUFFERING;
urisrc->ring_buffer_max_size = DEFAULT_RING_BUFFER_MAX_SIZE;
urisrc->last_buffering_pct = -1;
urisrc->low_watermark = DEFAULT_LOW_WATERMARK;
urisrc->high_watermark = DEFAULT_HIGH_WATERMARK;
GST_OBJECT_FLAG_SET (urisrc,
GST_ELEMENT_FLAG_SOURCE | GST_BIN_FLAG_STREAMS_AWARE);
@ -477,6 +509,12 @@ gst_uri_source_bin_set_property (GObject * object, guint prop_id,
case PROP_RING_BUFFER_MAX_SIZE:
urisrc->ring_buffer_max_size = g_value_get_uint64 (value);
break;
case PROP_LOW_WATERMARK:
dec->low_watermark = g_value_get_double (value);
break;
case PROP_HIGH_WATERMARK:
dec->high_watermark = g_value_get_double (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -524,6 +562,12 @@ gst_uri_source_bin_get_property (GObject * object, guint prop_id,
case PROP_RING_BUFFER_MAX_SIZE:
g_value_set_uint64 (value, urisrc->ring_buffer_max_size);
break;
case PROP_LOW_WATERMARK:
g_value_set_double (value, dec->low_watermark);
break;
case PROP_HIGH_WATERMARK:
g_value_set_double (value, dec->high_watermark);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -1013,6 +1057,8 @@ get_output_slot (GstURISourceBin * urisrc, gboolean do_download,
g_object_set (queue, "max-size-bytes", urisrc->buffer_size, NULL);
if (urisrc->buffer_duration != -1)
g_object_set (queue, "max-size-time", urisrc->buffer_duration, NULL);
g_object_set (queue, "low-watermark", urisrc->low_watermark,
"high-watermark", urisrc->high_watermark, NULL);
#if 0
/* Disabled because this makes initial startup slower for radio streams */
else {