mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-23 18:21:04 +00:00
gst-libs/gst/app/gstappsrc.*: Add is-live property.
Original commit message from CVS: * gst-libs/gst/app/gstappsrc.c: (gst_app_src_class_init), (gst_app_src_init), (gst_app_src_set_property), (gst_app_src_get_property), (gst_app_src_push_buffer): * gst-libs/gst/app/gstappsrc.h: Add is-live property. Add some more docs.
This commit is contained in:
Wim Taymans
parent
862cc7ddd2
commit
5e8f80a9f5
3 changed files with 84 additions and 8 deletions
|
|
@ -1,3 +1,12 @@
|
|||
2008-11-07 Wim Taymans <wim.taymans@collabora.co.uk>
|
||||
|
||||
* gst-libs/gst/app/gstappsrc.c: (gst_app_src_class_init),
|
||||
(gst_app_src_init), (gst_app_src_set_property),
|
||||
(gst_app_src_get_property), (gst_app_src_push_buffer):
|
||||
* gst-libs/gst/app/gstappsrc.h:
|
||||
Add is-live property.
|
||||
Add some more docs.
|
||||
|
||||
2008-11-06 Thijs Vermeir <thijsvermeir@gmail.com>
|
||||
|
||||
* configure.ac:
|
||||
|
|
|
|||
|
|
@ -18,6 +18,13 @@
|
|||
* Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
/**
|
||||
* SECTION:element-appsrc
|
||||
*
|
||||
* The appsrc element can be used by applications to insert data into a
|
||||
* GStreamer pipeline.
|
||||
*/
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include "config.h"
|
||||
#endif
|
||||
|
|
@ -58,6 +65,7 @@ enum
|
|||
#define DEFAULT_PROP_MAX_BYTES 200000
|
||||
#define DEFAULT_PROP_FORMAT GST_FORMAT_BYTES
|
||||
#define DEFAULT_PROP_BLOCK FALSE
|
||||
#define DEFAULT_PROP_IS_LIVE FALSE
|
||||
|
||||
enum
|
||||
{
|
||||
|
|
@ -68,6 +76,7 @@ enum
|
|||
PROP_MAX_BYTES,
|
||||
PROP_FORMAT,
|
||||
PROP_BLOCK,
|
||||
PROP_IS_LIVE,
|
||||
|
||||
PROP_LAST
|
||||
};
|
||||
|
|
@ -161,39 +170,83 @@ gst_app_src_class_init (GstAppSrcClass * klass)
|
|||
gobject_class->set_property = gst_app_src_set_property;
|
||||
gobject_class->get_property = gst_app_src_get_property;
|
||||
|
||||
/**
|
||||
* GstAppSrc::caps
|
||||
*
|
||||
* The GstCaps that will negotiated downstream and will be put
|
||||
* on outgoing buffers.
|
||||
*/
|
||||
g_object_class_install_property (gobject_class, PROP_CAPS,
|
||||
g_param_spec_boxed ("caps", "Caps",
|
||||
"The allowed caps for the src pad", GST_TYPE_CAPS,
|
||||
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
|
||||
/**
|
||||
* GstAppSrc::format
|
||||
*
|
||||
* The format to use for segment events. When the source is producing
|
||||
* timestamped buffers this property should be set to GST_FORMAT_TIME.
|
||||
*/
|
||||
g_object_class_install_property (gobject_class, PROP_FORMAT,
|
||||
g_param_spec_enum ("format", "Format",
|
||||
"The format of the segment events and seek", GST_TYPE_FORMAT,
|
||||
DEFAULT_PROP_FORMAT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
|
||||
/**
|
||||
* GstAppSrc::size
|
||||
*
|
||||
* The total size in bytes of the data stream. If the total size is known, it
|
||||
* is recommended to configure it with this property.
|
||||
*/
|
||||
g_object_class_install_property (gobject_class, PROP_SIZE,
|
||||
g_param_spec_int64 ("size", "Size",
|
||||
"The size of the data stream (-1 if unknown)",
|
||||
-1, G_MAXINT64, DEFAULT_PROP_SIZE,
|
||||
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
|
||||
/**
|
||||
* GstAppSrc::stream-type
|
||||
*
|
||||
* The type of stream that this source is producing. For seekable streams the
|
||||
* application should connect to the seek-data signal.
|
||||
*/
|
||||
g_object_class_install_property (gobject_class, PROP_STREAM_TYPE,
|
||||
g_param_spec_enum ("stream-type", "Stream Type",
|
||||
"the type of the stream", GST_TYPE_APP_STREAM_TYPE,
|
||||
DEFAULT_PROP_STREAM_TYPE,
|
||||
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
|
||||
/**
|
||||
* GstAppSrc::max-bytes
|
||||
*
|
||||
* The maximum amount of bytes that can be queued internally.
|
||||
* After the maximum amount of bytes are queued, appsrc will emit the
|
||||
* "enough-data" signal.
|
||||
*/
|
||||
g_object_class_install_property (gobject_class, PROP_MAX_BYTES,
|
||||
g_param_spec_uint64 ("max-bytes", "Max bytes",
|
||||
"The maximum number of bytes to queue internally (0 = unlimited)",
|
||||
0, G_MAXUINT64, DEFAULT_PROP_MAX_BYTES,
|
||||
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
|
||||
/**
|
||||
* GstAppSrc::block
|
||||
*
|
||||
* When max-bytes are queued and after the enough-data signal has been emited,
|
||||
* block any further push-buffer calls until the amount of queued bytes drops
|
||||
* below the max-bytes limit.
|
||||
*/
|
||||
g_object_class_install_property (gobject_class, PROP_BLOCK,
|
||||
g_param_spec_boolean ("block", "Block",
|
||||
"Block push-buffer when max-bytes are queued",
|
||||
DEFAULT_PROP_BLOCK, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
|
||||
/**
|
||||
* GstAppSrc::is-live
|
||||
*
|
||||
* Instruct the source to behave like a live source. This includes that it
|
||||
* will only push out buffers in the PLAYING state.
|
||||
*/
|
||||
g_object_class_install_property (gobject_class, PROP_IS_LIVE,
|
||||
g_param_spec_boolean ("is-live", "Is Live",
|
||||
"Whether to act as a live source",
|
||||
DEFAULT_PROP_IS_LIVE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
|
||||
|
||||
/**
|
||||
* GstAppSrc::need-data:
|
||||
* @appsrc: the appsrc element that emited the signal
|
||||
|
|
@ -250,6 +303,9 @@ gst_app_src_class_init (GstAppSrcClass * klass)
|
|||
*
|
||||
* Adds a buffer to the queue of buffers that the appsrc element will
|
||||
* push to its source pad. This function will take ownership of @buffer.
|
||||
*
|
||||
* When the block property is TRUE, this function can block until free space
|
||||
* becomes available in the queue.
|
||||
*/
|
||||
gst_app_src_signals[SIGNAL_PUSH_BUFFER] =
|
||||
g_signal_new ("push-buffer", G_TYPE_FROM_CLASS (klass),
|
||||
|
|
@ -295,6 +351,8 @@ gst_app_src_init (GstAppSrc * appsrc, GstAppSrcClass * klass)
|
|||
appsrc->max_bytes = DEFAULT_PROP_MAX_BYTES;
|
||||
appsrc->format = DEFAULT_PROP_FORMAT;
|
||||
appsrc->block = DEFAULT_PROP_BLOCK;
|
||||
|
||||
gst_base_src_set_live (GST_BASE_SRC (appsrc), DEFAULT_PROP_IS_LIVE);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -357,6 +415,10 @@ gst_app_src_set_property (GObject * object, guint prop_id,
|
|||
case PROP_BLOCK:
|
||||
appsrc->block = g_value_get_boolean (value);
|
||||
break;
|
||||
case PROP_IS_LIVE:
|
||||
gst_base_src_set_live (GST_BASE_SRC (appsrc),
|
||||
g_value_get_boolean (value));
|
||||
break;
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
|
|
@ -396,6 +458,9 @@ gst_app_src_get_property (GObject * object, guint prop_id, GValue * value,
|
|||
case PROP_BLOCK:
|
||||
g_value_set_boolean (value, appsrc->block);
|
||||
break;
|
||||
case PROP_IS_LIVE:
|
||||
g_value_set_boolean (value, gst_base_src_is_live (GST_BASE_SRC (appsrc)));
|
||||
break;
|
||||
default:
|
||||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||||
break;
|
||||
|
|
@ -882,7 +947,7 @@ gst_app_src_push_buffer (GstAppSrc * appsrc, GstBuffer * buffer)
|
|||
if (appsrc->is_eos)
|
||||
goto eos;
|
||||
|
||||
if (appsrc->queued_bytes >= appsrc->max_bytes) {
|
||||
if (appsrc->max_bytes && appsrc->queued_bytes >= appsrc->max_bytes) {
|
||||
GST_DEBUG_OBJECT (appsrc, "queue filled (%" G_GUINT64_FORMAT " >= %"
|
||||
G_GUINT64_FORMAT ")", appsrc->queued_bytes, appsrc->max_bytes);
|
||||
|
||||
|
|
@ -904,7 +969,9 @@ gst_app_src_push_buffer (GstAppSrc * appsrc, GstBuffer * buffer)
|
|||
* flush. */
|
||||
g_cond_wait (appsrc->cond, appsrc->mutex);
|
||||
} else {
|
||||
/* no need to wait for free space, we just pump data into the queue */
|
||||
/* no need to wait for free space, we just pump more data into the
|
||||
* queue hoping that the caller reacts to the enough-data signal and
|
||||
* stops pushing buffers. */
|
||||
break;
|
||||
}
|
||||
} else
|
||||
|
|
|
|||
Loading…
Reference in a new issue