avfilter/af_channelsplit: add channels option

[ffmpeg] / libavfilter / opencl.h

diff --git a/libavfilter/opencl.h b/libavfilter/opencl.h
index 4d740c18abaec0807d8db1de147086fde0a07227..c0a45197853bcbc6260cad8e4804950143b12700 100644 (file)
--- a/libavfilter/opencl.h
+++ b/libavfilter/opencl.h
@@ -19,6 +19,12 @@
 #ifndef AVFILTER_OPENCL_H
 #define AVFILTER_OPENCL_H
 
+// The intended target is OpenCL 1.2, so disable warnings for APIs
+// deprecated after that.  This primarily applies to clCreateCommandQueue(),
+// we can't use the replacement clCreateCommandQueueWithProperties() because
+// it was introduced in OpenCL 2.0.
+#define CL_USE_DEPRECATED_OPENCL_1_2_APIS
+
 #include "libavutil/buffer.h"
 #include "libavutil/hwcontext.h"
 #include "libavutil/hwcontext_opencl.h"
@@ -84,4 +90,12 @@ int ff_opencl_filter_load_program(AVFilterContext *avctx,
 int ff_opencl_filter_load_program_from_file(AVFilterContext *avctx,
                                             const char *filename);
 
+/**
+ * Find the work size needed needed for a given plane of an image.
+ */
+int ff_opencl_filter_work_size_from_image(AVFilterContext *avctx,
+                                          size_t *work_size,
+                                          AVFrame *frame, int plane,
+                                          int block_alignment);
+
 #endif /* AVFILTER_OPENCL_H */