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appsrc: Also provide function API for current-level-bytes and integrate into the docs

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This commit is contained in:
Sebastian Dröge 2013-07-26 11:02:32 +02:00
parent bdbfa45296
commit e2597e1e42
3 changed files with 60 additions and 57 deletions
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1
docs/libs/gst-plugins-base-libs-sections.txt
View file

@ -28,6 +28,7 @@ gst_app_src_set_stream_type
gst_app_src_get_stream_type gst_app_src_get_stream_type
gst_app_src_set_max_bytes gst_app_src_set_max_bytes
gst_app_src_get_max_bytes gst_app_src_get_max_bytes
gst_app_src_get_current_level_bytes
gst_app_src_get_emit_signals gst_app_src_get_emit_signals
gst_app_src_set_emit_signals gst_app_src_set_emit_signals
GstAppSrcCallbacks GstAppSrcCallbacks

78
gst-libs/gst/app/gstappsrc.c
View file

@ -159,7 +159,7 @@ enum
#define DEFAULT_PROP_MAX_LATENCY -1 #define DEFAULT_PROP_MAX_LATENCY -1
#define DEFAULT_PROP_EMIT_SIGNALS TRUE #define DEFAULT_PROP_EMIT_SIGNALS TRUE
#define DEFAULT_PROP_MIN_PERCENT 0 #define DEFAULT_PROP_MIN_PERCENT 0
#define DEFAULT_PROP_CURRENT_LEVEL_BYTE 0 #define DEFAULT_PROP_CURRENT_LEVEL_BYTES 0
enum enum
{ {
@ -175,7 +175,7 @@ enum
PROP_MAX_LATENCY, PROP_MAX_LATENCY,
PROP_EMIT_SIGNALS, PROP_EMIT_SIGNALS,
PROP_MIN_PERCENT, PROP_MIN_PERCENT,
PROP_CURRENT_LEVEL_BYTE, PROP_CURRENT_LEVEL_BYTES,
PROP_LAST PROP_LAST
}; };
@ -233,7 +233,6 @@ static gboolean gst_app_src_is_seekable (GstBaseSrc * src);
static gboolean gst_app_src_do_get_size (GstBaseSrc * src, guint64 * size); static gboolean gst_app_src_do_get_size (GstBaseSrc * src, guint64 * size);
static gboolean gst_app_src_query (GstBaseSrc * src, GstQuery * query); static gboolean gst_app_src_query (GstBaseSrc * src, GstQuery * query);
static guint64 gst_app_src_get_queued_bytes (GstAppSrc * appsrc);
static GstFlowReturn gst_app_src_push_buffer_action (GstAppSrc * appsrc, static GstFlowReturn gst_app_src_push_buffer_action (GstAppSrc * appsrc,
GstBuffer * buffer); GstBuffer * buffer);
@ -385,14 +384,14 @@ gst_app_src_class_init (GstAppSrcClass * klass)
/** /**
* GstAppSrc::current-level-bytes: * GstAppSrc::current-level-bytes:
* *
* The remained size of appsrc element buffer. * The number of currently queued bytes inside appsrc.
* Make appsrc emit the "push-buffer" signal when data is pushed buffer. *
* "current-level-bytes" preperty get this accumulated data size in appsrc buffer. * Since: 1.2
*/ */
g_object_class_install_property (gobject_class, PROP_CURRENT_LEVEL_BYTE, g_object_class_install_property (gobject_class, PROP_CURRENT_LEVEL_BYTES,
g_param_spec_uint64 ("current-level-bytes", "Current Level Bytes", g_param_spec_uint64 ("current-level-bytes", "Current Level Bytes",
"The remained size of appsrc element buffer", "The number of currently queued bytes",
0, G_MAXUINT64, DEFAULT_PROP_CURRENT_LEVEL_BYTE, 0, G_MAXUINT64, DEFAULT_PROP_CURRENT_LEVEL_BYTES,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
@ -522,7 +521,6 @@ gst_app_src_init (GstAppSrc * appsrc)
priv->max_latency = DEFAULT_PROP_MAX_LATENCY; priv->max_latency = DEFAULT_PROP_MAX_LATENCY;
priv->emit_signals = DEFAULT_PROP_EMIT_SIGNALS; priv->emit_signals = DEFAULT_PROP_EMIT_SIGNALS;
priv->min_percent = DEFAULT_PROP_MIN_PERCENT; priv->min_percent = DEFAULT_PROP_MIN_PERCENT;
priv->queued_bytes = DEFAULT_PROP_CURRENT_LEVEL_BYTE;
gst_base_src_set_live (GST_BASE_SRC (appsrc), DEFAULT_PROP_IS_LIVE); gst_base_src_set_live (GST_BASE_SRC (appsrc), DEFAULT_PROP_IS_LIVE);
} }
@ -695,8 +693,8 @@ gst_app_src_get_property (GObject * object, guint prop_id, GValue * value,
case PROP_MIN_PERCENT: case PROP_MIN_PERCENT:
g_value_set_uint (value, priv->min_percent); g_value_set_uint (value, priv->min_percent);
break; break;
case PROP_CURRENT_LEVEL_BYTE: case PROP_CURRENT_LEVEL_BYTES:
g_value_set_uint64 (value, gst_app_src_get_queued_bytes (appsrc)); g_value_set_uint64 (value, gst_app_src_get_current_level_bytes (appsrc));
break; break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@ -1320,6 +1318,35 @@ gst_app_src_get_max_bytes (GstAppSrc * appsrc)
return result; return result;
} }
/**
* gst_app_src_get_current_level_bytes:
* @appsrc: a #GstAppSrc
*
* Get the number of currently queued bytes inside @appsrc.
*
* Returns: The number of currently queued bytes.
*
* Since: 1.2
*/
guint64
gst_app_src_get_current_level_bytes (GstAppSrc * appsrc)
{
gint64 queued;
GstAppSrcPrivate *priv;
g_return_val_if_fail (GST_IS_APP_SRC (appsrc), -1);
priv = appsrc->priv;
GST_OBJECT_LOCK (appsrc);
queued = priv->queued_bytes;
GST_DEBUG_OBJECT (appsrc, "current level bytes is %" G_GUINT64_FORMAT,
queued);
GST_OBJECT_UNLOCK (appsrc);
return queued;
}
static void static void
gst_app_src_set_latencies (GstAppSrc * appsrc, gboolean do_min, guint64 min, gst_app_src_set_latencies (GstAppSrc * appsrc, gboolean do_min, guint64 min,
gboolean do_max, guint64 max) gboolean do_max, guint64 max)
@ -1552,33 +1579,6 @@ gst_app_src_push_buffer_action (GstAppSrc * appsrc, GstBuffer * buffer)
return gst_app_src_push_buffer_full (appsrc, buffer, FALSE); return gst_app_src_push_buffer_full (appsrc, buffer, FALSE);
} }
/**
* gst_app_src_get_queued_bytes:
* @appsrc: a #GstAppSrc
*
* Get the queued byptes of the buffer
*
* Returns: the size of queued bytes
*
* This is used for the "current-level-byte" property. */
static guint64
gst_app_src_get_queued_bytes (GstAppSrc * appsrc)
{
gint64 size;
GstAppSrcPrivate *priv;
g_return_val_if_fail (GST_IS_APP_SRC (appsrc), -1);
priv = appsrc->priv;
GST_OBJECT_LOCK (appsrc);
size = priv->queued_bytes;
GST_DEBUG_OBJECT (appsrc, "getting queued bytes is %" G_GUINT64_FORMAT, size);
GST_OBJECT_UNLOCK (appsrc);
return size;
}
/** /**
* gst_app_src_end_of_stream: * gst_app_src_end_of_stream:
* @appsrc: a #GstAppSrc * @appsrc: a #GstAppSrc

38
gst-libs/gst/app/gstappsrc.h
View file

@ -118,31 +118,33 @@ GType gst_app_src_get_type(void);
#define GST_TYPE_APP_STREAM_TYPE (gst_app_stream_type_get_type ()) #define GST_TYPE_APP_STREAM_TYPE (gst_app_stream_type_get_type ())
GType gst_app_stream_type_get_type (void); GType gst_app_stream_type_get_type (void);
void gst_app_src_set_caps (GstAppSrc *appsrc, const GstCaps *caps); void gst_app_src_set_caps (GstAppSrc *appsrc, const GstCaps *caps);
GstCaps* gst_app_src_get_caps (GstAppSrc *appsrc); GstCaps* gst_app_src_get_caps (GstAppSrc *appsrc);
void gst_app_src_set_size (GstAppSrc *appsrc, gint64 size); void gst_app_src_set_size (GstAppSrc *appsrc, gint64 size);
gint64 gst_app_src_get_size (GstAppSrc *appsrc); gint64 gst_app_src_get_size (GstAppSrc *appsrc);
void gst_app_src_set_stream_type (GstAppSrc *appsrc, GstAppStreamType type); void gst_app_src_set_stream_type (GstAppSrc *appsrc, GstAppStreamType type);
GstAppStreamType gst_app_src_get_stream_type (GstAppSrc *appsrc); GstAppStreamType gst_app_src_get_stream_type (GstAppSrc *appsrc);
void gst_app_src_set_max_bytes (GstAppSrc *appsrc, guint64 max); void gst_app_src_set_max_bytes (GstAppSrc *appsrc, guint64 max);
guint64 gst_app_src_get_max_bytes (GstAppSrc *appsrc); guint64 gst_app_src_get_max_bytes (GstAppSrc *appsrc);
void gst_app_src_set_latency (GstAppSrc *appsrc, guint64 min, guint64 max); guint64 gst_app_src_get_current_level_bytes (GstAppSrc *appsrc);
void gst_app_src_get_latency (GstAppSrc *appsrc, guint64 *min, guint64 *max);
void gst_app_src_set_emit_signals (GstAppSrc *appsrc, gboolean emit); void gst_app_src_set_latency (GstAppSrc *appsrc, guint64 min, guint64 max);
gboolean gst_app_src_get_emit_signals (GstAppSrc *appsrc); void gst_app_src_get_latency (GstAppSrc *appsrc, guint64 *min, guint64 *max);
GstFlowReturn gst_app_src_push_buffer (GstAppSrc *appsrc, GstBuffer *buffer); void gst_app_src_set_emit_signals (GstAppSrc *appsrc, gboolean emit);
GstFlowReturn gst_app_src_end_of_stream (GstAppSrc *appsrc); gboolean gst_app_src_get_emit_signals (GstAppSrc *appsrc);
void gst_app_src_set_callbacks (GstAppSrc * appsrc, GstFlowReturn gst_app_src_push_buffer (GstAppSrc *appsrc, GstBuffer *buffer);
GstAppSrcCallbacks *callbacks, GstFlowReturn gst_app_src_end_of_stream (GstAppSrc *appsrc);
gpointer user_data,
GDestroyNotify notify); void gst_app_src_set_callbacks (GstAppSrc * appsrc,
GstAppSrcCallbacks *callbacks,
gpointer user_data,
GDestroyNotify notify);
G_END_DECLS G_END_DECLS