camerabingeneral

Common helper functions for camerabin.

GstCameraBinPreviewPipelineData

Members

pipeline (GstElement *) –
No description available
appsrc (GstElement *) –
No description available
filter (GstElement *) –
No description available
appsink (GstElement *) –
No description available
vscale (GstElement *) –
No description available
element (GstElement *) –
No description available
pending_preview_caps (GstCaps *) –
No description available
processing (guint) –
No description available
processing_lock (GMutex) –
No description available
processing_cond (GCond) –
No description available

Functions

gst_camerabin_create_preview_pipeline 

GstCameraBinPreviewPipelineData *
gst_camerabin_create_preview_pipeline (GstElement * element,
                                       GstElement * filter)

Creates a new previewing pipeline that can receive buffers to be posted as camerabin preview messages for element

Parameters:

element –

Owner of this pipeline

filter –

Custom filter to process preview data (an extra ref is taken)

Returns –

The newly created GstCameraBinPreviewPipelineData

gst_camerabin_destroy_preview_pipeline 

gst_camerabin_destroy_preview_pipeline (GstCameraBinPreviewPipelineData * preview)

Frees a GstCameraBinPreviewPipelineData

Parameters:

preview –

the GstCameraBinPreviewPipelineData

gst_camerabin_preview_pipeline_post 

gboolean
gst_camerabin_preview_pipeline_post (GstCameraBinPreviewPipelineData * preview,
                                     GstSample * sample)

Converts the sample to the desired format and posts the preview message to the bus.

Parameters:

preview –

the GstCameraBinPreviewPipelineData

sample –

the sample to be posted as a preview

Returns –

TRUE on success

gst_camerabin_preview_set_caps 

gst_camerabin_preview_set_caps (GstCameraBinPreviewPipelineData * preview,
                                GstCaps * caps)

The caps that preview buffers should have when posted on the bus

Parameters:

preview –

the GstCameraBinPreviewPipelineData

caps –

the GstCaps to be set (a new ref will be taken)

gst_camerabin_preview_set_filter 

gboolean
gst_camerabin_preview_set_filter (GstCameraBinPreviewPipelineData * preview,
                                  GstElement * filter)

Set the filter element into preview pipeline.

Parameters:

preview –

the GstCameraBinPreviewPipelineData

filter –

Custom filter to process preview data (an extra ref is taken)

Returns –

TRUE on success

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