lavfi/field: switch to filter_frame API

[ffmpeg] / libavfilter / internal.h

diff --git a/libavfilter/internal.h b/libavfilter/internal.h
index 03dc63d0f1332c760317da0673d5cef6a848292a..d098156442a074e4f7c1af71a150b4fee8a7adfc 100644 (file)
--- a/libavfilter/internal.h
+++ b/libavfilter/internal.h
@@ -138,16 +138,16 @@ struct AVFilterPad {
     int (*draw_slice)(AVFilterLink *link, int y, int height, int slice_dir);
 
     /**
-     * Samples filtering callback. This is where a filter receives audio data
-     * and should do its processing.
+     * Filtering callback. This is where a filter receives a frame with
+     * audio/video data and should do its processing.
      *
-     * Input audio pads only.
+     * 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_samples)(AVFilterLink *link, AVFilterBufferRef *samplesref);
+    int (*filter_frame)(AVFilterLink *link, AVFilterBufferRef *frame);
 
     /**
      * Frame poll callback. This returns the number of immediately available
@@ -368,5 +368,17 @@ AVFilterBufferRef *ff_copy_buffer_ref(AVFilterLink *outlink,
 int ff_buffersink_read_compat(AVFilterContext *ctx, AVFilterBufferRef **buf);
 int ff_buffersink_read_samples_compat(AVFilterContext *ctx, AVFilterBufferRef **pbuf,
                                       int nb_samples);
+/**
+ * Send a frame of data to the next filter.
+ *
+ * @param link   the output link over which the data is being sent
+ * @param frame a reference to the buffer of data being sent. The
+ *              receiving filter will free this reference when it no longer
+ *              needs it or pass it on to the next filter.
+ *
+ * @return >= 0 on success, a negative AVERROR on error. The receiving filter
+ * is responsible for unreferencing frame in case of error.
+ */
+int ff_filter_frame(AVFilterLink *link, AVFilterBufferRef *frame);
 
 #endif /* AVFILTER_INTERNAL_H */