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appsrc: fix negotiation

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Remove old useless caps code.
Make a negotiate function and use the configured caps as the caps on the appsrc
pad. If nothing was configured, fall back to the parent implementation.
This commit is contained in:
Wim Taymans 2011-12-01 15:38:10 +01:00
parent 8274abcb69
commit e064f9dbf6
1 changed files with 25 additions and 11 deletions
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36
gst-libs/gst/app/gstappsrc.c
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@ -217,6 +217,7 @@ static void gst_app_src_get_property (GObject * object, guint prop_id,
static void gst_app_src_set_latencies (GstAppSrc * appsrc,
gboolean do_min, guint64 min, gboolean do_max, guint64 max);
static gboolean gst_app_src_negotiate (GstBaseSrc * basesrc);
static GstFlowReturn gst_app_src_create (GstBaseSrc * bsrc,
guint64 offset, guint size, GstBuffer ** buf);
static gboolean gst_app_src_start (GstBaseSrc * bsrc);
@ -444,7 +445,7 @@ gst_app_src_class_init (GstAppSrcClass * klass)
gst_app_src_signals[SIGNAL_PUSH_BUFFER] =
g_signal_new ("push-buffer", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (GstAppSrcClass,
push_buffer), NULL, NULL, __gst_app_marshal_ENUM__OBJECT,
push_buffer), NULL, NULL, __gst_app_marshal_ENUM__BOXED,
GST_TYPE_FLOW_RETURN, 1, GST_TYPE_BUFFER);
/**
@ -466,6 +467,7 @@ gst_app_src_class_init (GstAppSrcClass * klass)
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_app_src_template));
basesrc_class->negotiate = gst_app_src_negotiate;
basesrc_class->create = gst_app_src_create;
basesrc_class->start = gst_app_src_start;
basesrc_class->stop = gst_app_src_stop;
@ -899,6 +901,28 @@ gst_app_src_emit_need_data (GstAppSrc * appsrc, guint size)
/* we can be flushing now because we released the lock */
}
static gboolean
gst_app_src_negotiate (GstBaseSrc * basesrc)
{
GstAppSrc *appsrc = GST_APP_SRC_CAST (basesrc);
GstAppSrcPrivate *priv = appsrc->priv;
GstCaps *caps;
gboolean result;
GST_OBJECT_LOCK (appsrc);
if ((caps = priv->caps))
gst_caps_ref (caps);
GST_OBJECT_UNLOCK (appsrc);
if (caps) {
result = gst_base_src_set_caps (basesrc, caps);
gst_caps_unref (caps);
} else {
result = GST_BASE_SRC_CLASS (parent_class)->negotiate (basesrc);
}
return result;
}
static GstFlowReturn
gst_app_src_create (GstBaseSrc * bsrc, guint64 offset, guint size,
GstBuffer ** buf)
@ -906,10 +930,8 @@ gst_app_src_create (GstBaseSrc * bsrc, guint64 offset, guint size,
GstAppSrc *appsrc = GST_APP_SRC_CAST (bsrc);
GstAppSrcPrivate *priv = appsrc->priv;
GstFlowReturn ret;
GstCaps *caps;
GST_OBJECT_LOCK (appsrc);
caps = priv->caps ? gst_caps_ref (priv->caps) : NULL;
if (G_UNLIKELY (priv->size != bsrc->segment.duration &&
bsrc->segment.format == GST_FORMAT_BYTES)) {
GST_DEBUG_OBJECT (appsrc,
@ -1001,8 +1023,6 @@ gst_app_src_create (GstBaseSrc * bsrc, guint64 offset, guint size,
g_cond_wait (priv->cond, priv->mutex);
}
g_mutex_unlock (priv->mutex);
if (caps)
gst_caps_unref (caps);
return ret;
/* ERRORS */
@ -1010,23 +1030,17 @@ flushing:
{
GST_DEBUG_OBJECT (appsrc, "we are flushing");
g_mutex_unlock (priv->mutex);
if (caps)
gst_caps_unref (caps);
return GST_FLOW_WRONG_STATE;
}
eos:
{
GST_DEBUG_OBJECT (appsrc, "we are EOS");
g_mutex_unlock (priv->mutex);
if (caps)
gst_caps_unref (caps);
return GST_FLOW_EOS;
}
seek_error:
{
g_mutex_unlock (priv->mutex);
if (caps)
gst_caps_unref (caps);
GST_ELEMENT_ERROR (appsrc, RESOURCE, READ, ("failed to seek"),
GST_ERROR_SYSTEM);
return GST_FLOW_ERROR;