int format; ///< media format
int w, h; ///< width and height of the allocated buffer
+
+ /**
+ * pointers to the data planes/channels.
+ *
+ * For video, this should simply point to data[].
+ *
+ * For planar audio, each channel has a separate data pointer, and
+ * linesize[0] contains the size of each channel buffer.
+ * For packed audio, there is just one data pointer, and linesize[0]
+ * contains the total size of the buffer for all channels.
+ *
+ * Note: Both data and extended_data will always be set, but for planar
+ * audio with more channels that can fit in data, extended_data must be used
+ * in order to access all channels.
+ */
+ uint8_t **extended_data;
} AVFilterBuffer;
#define AV_PERM_READ 0x01 ///< can read from the buffer
enum AVMediaType type; ///< media type of buffer data
AVFilterBufferRefVideoProps *video; ///< video buffer specific properties
AVFilterBufferRefAudioProps *audio; ///< audio buffer specific properties
+
+ /**
+ * pointers to the data planes/channels.
+ *
+ * For video, this should simply point to data[].
+ *
+ * For planar audio, each channel has a separate data pointer, and
+ * linesize[0] contains the size of each channel buffer.
+ * For packed audio, there is just one data pointer, and linesize[0]
+ * contains the total size of the buffer for all channels.
+ *
+ * Note: Both data and extended_data will always be set, but for planar
+ * audio with more channels that can fit in data, extended_data must be used
+ * in order to access all channels.
+ */
+ uint8_t **extended_data;
} AVFilterBufferRef;
/**