On 09/01/2017 05:44 PM, LongChair . wrote:
+ * @file
+ * API-specific header for AV_HWDEVICE_TYPE_DRM.
+ *
+ * Internal frame allocation is not currently supported - all frames
+ * must be allocated by the user. Thus AVHWFramesContext is always
+ * NULL, though this may change if support for frame allocation is
+ * added in future.
+ */
+
+enum {
+ /**
+ * The maximum number of layers/planes in a DRM frame.
+ */
+ AV_DRM_MAX_PLANES = 4
+};
why this limit?
dont you have to call drmModeGetPlaneResources(fd) then use
planes->count_planes?
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