X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=gst%2Fgstsample.h;h=268119ccc43155eb94ee16d51a634f3d701a61b8;hb=b89b1802df44829a0c034db5807bc893ad3c7774;hp=662240aba4a42202160cdeae91d0b7cb15c59e12;hpb=39664da1f07bda3032ea867fc695450b689b9d8f;p=platform%2Fupstream%2Fgstreamer.git diff --git a/gst/gstsample.h b/gst/gstsample.h index 662240a..268119c 100644 --- a/gst/gstsample.h +++ b/gst/gstsample.h @@ -31,7 +31,7 @@ G_BEGIN_DECLS -GST_EXPORT GType _gst_sample_type; +GST_API GType _gst_sample_type; #define GST_TYPE_SAMPLE (_gst_sample_type) #define GST_IS_SAMPLE(obj) (GST_IS_MINI_OBJECT_TYPE(obj, GST_TYPE_SAMPLE)) @@ -47,34 +47,46 @@ GST_EXPORT GType _gst_sample_type; */ typedef struct _GstSample GstSample; -GST_EXPORT +GST_API GType gst_sample_get_type (void); /* allocation */ -GST_EXPORT +GST_API GstSample * gst_sample_new (GstBuffer *buffer, GstCaps *caps, const GstSegment *segment, GstStructure *info); -GST_EXPORT +GST_API GstBuffer * gst_sample_get_buffer (GstSample *sample); -GST_EXPORT +GST_API GstCaps * gst_sample_get_caps (GstSample *sample); -GST_EXPORT +GST_API GstSegment * gst_sample_get_segment (GstSample *sample); -GST_EXPORT +GST_API const GstStructure * gst_sample_get_info (GstSample *sample); -GST_EXPORT +GST_API GstBufferList * gst_sample_get_buffer_list (GstSample *sample); -GST_EXPORT +GST_API void gst_sample_set_buffer_list (GstSample *sample, GstBufferList *buffer_list); +GST_API +void gst_sample_set_buffer (GstSample *sample, GstBuffer *buffer); + +GST_API +void gst_sample_set_caps (GstSample *sample, GstCaps *caps); + +GST_API +void gst_sample_set_segment (GstSample * sample, const GstSegment *segment); + +GST_API +gboolean gst_sample_set_info (GstSample *sample, GstStructure *info); + /* refcounting */ /** * gst_sample_ref: @@ -104,6 +116,45 @@ gst_sample_unref (GstSample * sample) gst_mini_object_unref (GST_MINI_OBJECT_CAST (sample)); } +/** + * gst_sample_is_writable: + * @sample: A #GstSample + * + * Tests if you can safely set the buffer and / or buffer list of @sample. + * + * Since: 1.16 + */ +#define gst_sample_is_writable(sample) gst_mini_object_is_writable (GST_MINI_OBJECT_CAST (sample)) + +/** + * gst_sample_make_writable: + * @sample: (transfer full): A #GstSample + * + * Returns a writable copy of @sample. If the source sample is + * already writable, this will simply return the same sample. + * + * Use this function to ensure that a sample can be safely modified before + * making changes to it, for example before calling gst_sample_set_buffer() + * + * If the reference count of the source sample @sample is exactly one, the caller + * is the sole owner and this function will return the sample object unchanged. + * + * If there is more than one reference on the object, a copy will be made using + * gst_sample_copy(). The passed-in @sample will be unreffed in that case, and the + * caller will now own a reference to the new returned sample object. + * + * In short, this function unrefs the sample in the argument and refs the sample + * that it returns. Don't access the argument after calling this function unless + * you have an additional reference to it. + * + * Returns: (transfer full): a writable sample which may or may not be the + * same as @sample + * + * Since: 1.16 + */ +#define gst_sample_make_writable(sample) GST_SAMPLE_CAST (gst_mini_object_make_writable (GST_MINI_OBJECT_CAST (sample))) + + /* copy sample */ /** * gst_sample_copy: