lavfi: Drop deprecated public AVFilterPad struct

Deprecated in 06/2012.

libavfilter/avfilter.h

@@ -228,145 +228,6 @@ attribute_deprecated
 void avfilter_unref_bufferp(AVFilterBufferRef **ref);
 #endif
 
-#if FF_API_AVFILTERPAD_PUBLIC
-/**
- * A filter pad used for either input or output.
- *
- * @warning this struct will be removed from public API.
- * users should call avfilter_pad_get_name() and avfilter_pad_get_type()
- * to access the name and type fields; there should be no need to access
- * any other fields from outside of libavfilter.
- */
-struct AVFilterPad {
-    /**
-     * Pad name. The name is unique among inputs and among outputs, but an
-     * input may have the same name as an output. This may be NULL if this
-     * pad has no need to ever be referenced by name.
-     */
-    const char *name;
-
-    /**
-     * AVFilterPad type.
-     */
-    enum AVMediaType type;
-
-    /**
-     * Minimum required permissions on incoming buffers. Any buffer with
-     * insufficient permissions will be automatically copied by the filter
-     * system to a new buffer which provides the needed access permissions.
-     *
-     * Input pads only.
-     */
-    attribute_deprecated int min_perms;
-
-    /**
-     * Permissions which are not accepted on incoming buffers. Any buffer
-     * which has any of these permissions set will be automatically copied
-     * by the filter system to a new buffer which does not have those
-     * permissions. This can be used to easily disallow buffers with
-     * AV_PERM_REUSE.
-     *
-     * Input pads only.
-     */
-    attribute_deprecated int rej_perms;
-
-    /**
-     * @deprecated unused
-     */
-    int (*start_frame)(AVFilterLink *link, AVFilterBufferRef *picref);
-
-    /**
-     * Callback function to get a video buffer. If NULL, the filter system will
-     * use avfilter_default_get_video_buffer().
-     *
-     * Input video pads only.
-     */
-    AVFrame *(*get_video_buffer)(AVFilterLink *link, int w, int h);
-
-    /**
-     * Callback function to get an audio buffer. If NULL, the filter system will
-     * use avfilter_default_get_audio_buffer().
-     *
-     * Input audio pads only.
-     */
-    AVFrame *(*get_audio_buffer)(AVFilterLink *link, int nb_samples);
-
-    /**
-     * @deprecated unused
-     */
-    int (*end_frame)(AVFilterLink *link);
-
-    /**
-     * @deprecated unused
-     */
-    int (*draw_slice)(AVFilterLink *link, int y, int height, int slice_dir);
-
-    /**
-     * Filtering callback. This is where a filter receives a frame with
-     * audio/video data and should do its processing.
-     *
-     * Input pads only.
-     *
-     * @return >= 0 on success, a negative AVERROR on error. This function
-     * must ensure that samplesref is properly unreferenced on error if it
-     * hasn't been passed on to another filter.
-     */
-    int (*filter_frame)(AVFilterLink *link, AVFrame *frame);
-
-    /**
-     * Frame poll callback. This returns the number of immediately available
-     * samples. It should return a positive value if the next request_frame()
-     * is guaranteed to return one frame (with no delay).
-     *
-     * Defaults to just calling the source poll_frame() method.
-     *
-     * Output pads only.
-     */
-    int (*poll_frame)(AVFilterLink *link);
-
-    /**
-     * Frame request callback. A call to this should result in at least one
-     * frame being output over the given link. This should return zero on
-     * success, and another value on error.
-     *
-     * Output pads only.
-     */
-    int (*request_frame)(AVFilterLink *link);
-
-    /**
-     * Link configuration callback.
-     *
-     * For output pads, this should set the link properties such as
-     * width/height. This should NOT set the format property - that is
-     * negotiated between filters by the filter system using the
-     * query_formats() callback before this function is called.
-     *
-     * For input pads, this should check the properties of the link, and update
-     * the filter's internal state as necessary.
-     *
-     * For both input and output filters, this should return zero on success,
-     * and another value on error.
-     */
-    int (*config_props)(AVFilterLink *link);
-
-    /**
-     * The filter expects a fifo to be inserted on its input link,
-     * typically because it has a delay.
-     *
-     * input pads only.
-     */
-    int needs_fifo;
-
-    /**
-     * The filter expects writable frames from its input link,
-     * duplicating data buffers if needed.
-     *
-     * input pads only.
-     */
-    int needs_writable;
-};
-#endif
-
 /**
  * Get the number of elements in a NULL-terminated array of AVFilterPads (e.g.
  * AVFilter.inputs/outputs).

libavfilter/internal.h

@@ -29,7 +29,6 @@
 #include "thread.h"
 #include "version.h"
 
-#if !FF_API_AVFILTERPAD_PUBLIC
 /**
  * A filter pad used for either input or output.
  */
@@ -126,7 +125,6 @@ struct AVFilterPad {
      */
     int needs_writable;
 };
-#endif
 
 struct AVFilterGraphInternal {
     void *thread;

libavfilter/version.h

@@ -49,9 +49,6 @@
  * the public API and may change, break or disappear at any time.
  */
 
-#ifndef FF_API_AVFILTERPAD_PUBLIC
-#define FF_API_AVFILTERPAD_PUBLIC           (LIBAVFILTER_VERSION_MAJOR < 6)
-#endif
 #ifndef FF_API_FOO_COUNT
 #define FF_API_FOO_COUNT                    (LIBAVFILTER_VERSION_MAJOR < 6)
 #endif