With this the application can find out how many frames are available.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
#include "libavutil/rational.h"
#define LIBAVFILTER_VERSION_MAJOR 2
-#define LIBAVFILTER_VERSION_MINOR 51
+#define LIBAVFILTER_VERSION_MINOR 52
#define LIBAVFILTER_VERSION_MICRO 0
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
int av_buffersink_get_buffer_ref(AVFilterContext *buffer_sink,
AVFilterBufferRef **bufref, int flags);
+
+/**
+ * Get the number of immediately available frames.
+ */
+int av_buffersink_poll_frame(AVFilterContext *ctx);
+
#if FF_API_OLD_VSINK_API
/**
* @deprecated Use av_buffersink_get_buffer_ref() instead.
return 0;
}
+int av_buffersink_poll_frame(AVFilterContext *ctx)
+{
+ BufferSinkContext *buf = ctx->priv;
+ AVFilterLink *inlink = ctx->inputs[0];
+
+ return av_fifo_size(buf->fifo)/sizeof(AVFilterBufferRef *) + avfilter_poll_frame(inlink);
+}
+
#if FF_API_OLD_VSINK_API
int av_vsink_buffer_get_video_buffer_ref(AVFilterContext *ctx,
AVFilterBufferRef **picref, int flags)