@@ -28,10 +28,14 @@

 #include "avfilter.h"

 #include "internal.h"

+#if FF_API_AVFILTERBUFFER

+FF_DISABLE_DEPRECATION_WARNINGS

 int avfilter_ref_get_channels(AVFilterBufferRef *ref)

 {

     return ref->audio ? ref->audio->channels : 0;

 }

+FF_ENABLE_DEPRECATION_WARNINGS

+#endif

 AVFrame *ff_null_get_audio_buffer(AVFilterLink *link, int nb_samples)

 {

@@ -234,13 +234,13 @@ void avfilter_unref_buffer(AVFilterBufferRef *ref);

  */

 attribute_deprecated

 void avfilter_unref_bufferp(AVFilterBufferRef **ref);

-#endif

 /**

  * Get the number of channels of a buffer reference.

  */

 attribute_deprecated

 int avfilter_ref_get_channels(AVFilterBufferRef *ref);

+#endif

 #if FF_API_AVFILTERPAD_PUBLIC

 /**

@@ -763,7 +763,9 @@ struct AVFilterLink {

         AVLINK_INIT             ///< complete

     } init_state;

+#if FF_API_AVFILTERBUFFER

     struct AVFilterPool *pool;

+#endif

     /**

      * Graph the filter belongs to.

@@ -819,6 +821,7 @@ struct AVFilterLink {

      */

     int max_samples;

+#if FF_API_AVFILTERBUFFER

     /**

      * The buffer reference currently being received across the link by the

      * destination filter. This is used internally by the filter system to

@@ -827,6 +830,7 @@ struct AVFilterLink {

      * by the filters.

      */

     AVFilterBufferRef *cur_buf_copy;

+#endif

     /**

      * True if the link is closed.

@@ -363,6 +363,8 @@ AVRational av_buffersink_get_frame_rate(AVFilterContext *ctx)

     return ctx->inputs[0]->frame_rate;

 }

+#if FF_API_AVFILTERBUFFER

+FF_DISABLE_DEPRECATION_WARNINGS

 int attribute_align_arg av_buffersink_poll_frame(AVFilterContext *ctx)

 {

     BufferSinkContext *buf = ctx->priv;

@@ -375,6 +377,8 @@ int attribute_align_arg av_buffersink_poll_frame(AVFilterContext *ctx)

     return av_fifo_size(buf->fifo)/FIFO_INIT_ELEMENT_SIZE + ff_poll_frame(inlink);

 }

+FF_ENABLE_DEPRECATION_WARNINGS

+#endif

 static av_cold int vsink_init(AVFilterContext *ctx, void *opaque)

 {

@@ -63,6 +63,7 @@ enum {

 };

+#if FF_API_AVFILTERBUFFER

 /**

  * Add buffer data in picref to buffer_src.

  *

@@ -72,8 +73,10 @@ enum {

  * @return            >= 0 in case of success, a negative AVERROR code

  *                    in case of failure

  */

+attribute_deprecated

 int av_buffersrc_add_ref(AVFilterContext *buffer_src,

                          AVFilterBufferRef *picref, int flags);

+#endif

 /**

  * Get the number of failed requests.

@@ -33,6 +33,7 @@

 #include "video.h"

 #include "libavcodec/avcodec.h"

+#if FF_API_AVFILTERBUFFER

 #define POOL_SIZE 32

 typedef struct AVFilterPool {

     AVFilterBufferRef *pic[POOL_SIZE];

@@ -40,6 +41,7 @@ typedef struct AVFilterPool {

     int refcount;

     int draining;

 } AVFilterPool;

+#endif

 typedef struct AVFilterCommand {

     double time;                ///< time expressed in seconds