int rej_perms;
/**
- * Callback called before passing the first slice of a new frame. If
- * NULL, the filter layer will default to storing a reference to the
- * picture inside the link structure.
- *
- * Input video pads only.
- *
- * @return >= 0 on success, a negative AVERROR on error. picref will be
- * unreferenced by the caller in case of error.
+ * @deprecated unused
*/
int (*start_frame)(AVFilterLink *link, AVFilterBufferRef *picref);
int nb_samples);
/**
- * Callback called after the slices of a frame are completely sent. If
- * NULL, the filter layer will default to releasing the reference stored
- * in the link structure during start_frame().
- *
- * Input video pads only.
- *
- * @return >= 0 on success, a negative AVERROR on error.
+ * @deprecated unused
*/
int (*end_frame)(AVFilterLink *link);
/**
- * Slice drawing callback. This is where a filter receives video data
- * and should do its processing.
- *
- * Input video pads only.
- *
- * @return >= 0 on success, a negative AVERROR on error.
+ * @deprecated unused
*/
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
int h; ///< agreed upon image height
AVRational sample_aspect_ratio; ///< agreed upon sample aspect ratio
/* These two parameters apply only to audio */
- uint64_t channel_layout; ///< channel layout of current buffer (see libavutil/audioconvert.h)
+ uint64_t channel_layout; ///< channel layout of current buffer (see libavutil/channel_layout.h)
int sample_rate; ///< samples per second
int format; ///< agreed upon media format
AVLINK_STARTINIT, ///< started, but incomplete
AVLINK_INIT ///< complete
} init_state;
-
- /**
- * The buffer reference currently being sent across the link by the source
- * filter. This is used internally by the filter system to allow
- * automatic copying of buffers which do not have sufficient permissions
- * for the destination. This should not be accessed directly by the
- * filters.
- */
- AVFilterBufferRef *src_buf;
-
- AVFilterBufferRef *cur_buf;
- AVFilterBufferRef *out_buf;
};
/**