// it was introduced in OpenCL 2.0.
#define CL_USE_DEPRECATED_OPENCL_1_2_APIS
+#include "libavutil/bprint.h"
#include "libavutil/buffer.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_opencl.h"
int output_height;
} OpenCLFilterContext;
+// Groups together information about a kernel argument
+typedef struct OpenCLKernelArg {
+ size_t arg_size;
+ const void *arg_val;
+} OpenCLKernelArg;
/**
* set argument to specific Kernel.
} \
} while(0)
+/**
+ * Create a kernel with the given name.
+ *
+ * The kernel variable in the context structure must have a name of the form
+ * kernel_<kernel_name>.
+ *
+ * The OpenCLFilterContext variable in the context structure must be named ocf.
+ *
+ * Requires the presence of a local cl_int variable named cle and a fail label for error
+ * handling.
+ */
+#define CL_CREATE_KERNEL(ctx, kernel_name) do { \
+ ctx->kernel_ ## kernel_name = clCreateKernel(ctx->ocf.program, #kernel_name, &cle); \
+ CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to create %s kernel: %d.\n", #kernel_name, cle); \
+} while(0)
+
+/**
+ * release an OpenCL Kernel
+ */
+#define CL_RELEASE_KERNEL(k) \
+do { \
+ if (k) { \
+ cle = clReleaseKernel(k); \
+ if (cle != CL_SUCCESS) \
+ av_log(avctx, AV_LOG_ERROR, "Failed to release " \
+ "OpenCL kernel: %d.\n", cle); \
+ } \
+} while(0)
+
+/**
+ * release an OpenCL Memory Object
+ */
+#define CL_RELEASE_MEMORY(m) \
+do { \
+ if (m) { \
+ cle = clReleaseMemObject(m); \
+ if (cle != CL_SUCCESS) \
+ av_log(avctx, AV_LOG_ERROR, "Failed to release " \
+ "OpenCL memory: %d.\n", cle); \
+ } \
+} while(0)
+
+/**
+ * release an OpenCL Command Queue
+ */
+#define CL_RELEASE_QUEUE(q) \
+do { \
+ if (q) { \
+ cle = clReleaseCommandQueue(q); \
+ if (cle != CL_SUCCESS) \
+ av_log(avctx, AV_LOG_ERROR, "Failed to release " \
+ "OpenCL command queue: %d.\n", cle); \
+ } \
+} while(0)
+
+/**
+ * Enqueue a kernel with the given information.
+ *
+ * Kernel arguments are provided as KernelArg structures and are set in the order
+ * that they are passed.
+ *
+ * Requires the presence of a local cl_int variable named cle and a fail label for error
+ * handling.
+ */
+#define CL_ENQUEUE_KERNEL_WITH_ARGS(queue, kernel, global_work_size, local_work_size, event, ...) \
+do { \
+ OpenCLKernelArg args[] = {__VA_ARGS__}; \
+ for (int i = 0; i < FF_ARRAY_ELEMS(args); i++) { \
+ cle = clSetKernelArg(kernel, i, args[i].arg_size, args[i].arg_val); \
+ if (cle != CL_SUCCESS) { \
+ av_log(avctx, AV_LOG_ERROR, "Failed to set kernel " \
+ "argument %d: error %d.\n", i, cle); \
+ err = AVERROR(EIO); \
+ goto fail; \
+ } \
+ } \
+ \
+ cle = clEnqueueNDRangeKernel( \
+ queue, \
+ kernel, \
+ FF_ARRAY_ELEMS(global_work_size), \
+ NULL, \
+ global_work_size, \
+ local_work_size, \
+ 0, \
+ NULL, \
+ event \
+ ); \
+ CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to enqueue kernel: %d.\n", cle); \
+} while (0)
+
+/**
+ * Uses the above macro to enqueue the given kernel and then additionally runs it to
+ * completion via clFinish.
+ *
+ * Requires the presence of a local cl_int variable named cle and a fail label for error
+ * handling.
+ */
+#define CL_RUN_KERNEL_WITH_ARGS(queue, kernel, global_work_size, local_work_size, event, ...) do { \
+ CL_ENQUEUE_KERNEL_WITH_ARGS( \
+ queue, kernel, global_work_size, local_work_size, event, __VA_ARGS__ \
+ ); \
+ \
+ cle = clFinish(queue); \
+ CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to finish command queue: %d.\n", cle); \
+} while (0)
+
+/**
+ * Create a buffer with the given information.
+ *
+ * The buffer variable in the context structure must be named <buffer_name>.
+ *
+ * Requires the presence of a local cl_int variable named cle and a fail label for error
+ * handling.
+ */
+#define CL_CREATE_BUFFER_FLAGS(ctx, buffer_name, flags, size, host_ptr) do { \
+ ctx->buffer_name = clCreateBuffer( \
+ ctx->ocf.hwctx->context, \
+ flags, \
+ size, \
+ host_ptr, \
+ &cle \
+ ); \
+ CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to create buffer %s: %d.\n", #buffer_name, cle); \
+} while(0)
+
+/**
+ * Perform a blocking write to a buffer.
+ *
+ * Requires the presence of a local cl_int variable named cle and a fail label for error
+ * handling.
+ */
+#define CL_BLOCKING_WRITE_BUFFER(queue, buffer, size, host_ptr, event) do { \
+ cle = clEnqueueWriteBuffer( \
+ queue, \
+ buffer, \
+ CL_TRUE, \
+ 0, \
+ size, \
+ host_ptr, \
+ 0, \
+ NULL, \
+ event \
+ ); \
+ CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to write buffer to device: %d.\n", cle); \
+} while(0)
+
+/**
+ * Create a buffer with the given information.
+ *
+ * The buffer variable in the context structure must be named <buffer_name>.
+ *
+ * Requires the presence of a local cl_int variable named cle and a fail label for error
+ * handling.
+ */
+#define CL_CREATE_BUFFER(ctx, buffer_name, size) CL_CREATE_BUFFER_FLAGS(ctx, buffer_name, 0, size, NULL)
+
/**
* Return that all inputs and outputs support only AV_PIX_FMT_OPENCL.
*/
size_t *work_size,
AVFrame *frame, int plane,
int block_alignment);
+/**
+ * Print a 3x3 matrix into a buffer as __constant array, which could
+ * be included in an OpenCL program.
+*/
+
+void ff_opencl_print_const_matrix_3x3(AVBPrint *buf, const char *name_str,
+ double mat[3][3]);
+
+/**
+ * Gets the command start and end times for the given event and returns the
+ * difference (the time that the event took).
+ */
+cl_ulong ff_opencl_get_event_time(cl_event event);
#endif /* AVFILTER_OPENCL_H */
projects / ffmpeg / blobdiff