avutil/opencl: compile kernels separately

Reviewed-by: Wei Gao <highgod0401@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavutil/opencl.h

 /*
- * Copyright (C) 2012 Peng Gao <peng@multicorewareinc.com>
- * Copyright (C) 2012 Li   Cao <li@multicorewareinc.com>
- * Copyright (C) 2012 Wei  Gao <weigao@multicorewareinc.com>
+ * Copyright (C) 2012 Peng  Gao     <peng@multicorewareinc.com>
+ * Copyright (C) 2012 Li    Cao     <li@multicorewareinc.com>
+ * Copyright (C) 2012 Wei   Gao     <weigao@multicorewareinc.com>
+ * Copyright (C) 2013 Lenny Wang    <lwanghpc@gmail.com>
  *
  * This file is part of FFmpeg.
  *
@@ -39,6 +40,8 @@
 #endif
 #include "dict.h"
 
+#include "libavutil/version.h"
+
 #define AV_OPENCL_KERNEL( ... )# __VA_ARGS__
 
 #define AV_OPENCL_MAX_KERNEL_NAME_SIZE 150
@@ -65,11 +68,13 @@ typedef struct {
     AVOpenCLPlatformNode **platform_node;
 } AVOpenCLDeviceList;
 
+#if FF_API_OLD_OPENCL
 typedef struct {
     cl_command_queue command_queue;
     cl_kernel kernel;
     char kernel_name[AV_OPENCL_MAX_KERNEL_NAME_SIZE];
 } AVOpenCLKernelEnv;
+#endif
 
 typedef struct {
     cl_platform_id platform_id;
@@ -107,7 +112,6 @@ void av_opencl_free_device_list(AVOpenCLDeviceList **device_list);
  * av_opencl_init() operation.
  *
  * The currently accepted options are:
- * - build_options: set options to compile registered kernels code
  * - platform: set index of platform in device list
  * - device: set index of device in device list
  *
@@ -174,15 +178,15 @@ const char *av_opencl_errstr(cl_int status);
 int av_opencl_register_kernel_code(const char *kernel_code);
 
 /**
- * Initialize the run time OpenCL environment and compile the kernel
- * code registered with av_opencl_register_kernel_code().
+ * Initialize the run time OpenCL environment
  *
  * @param ext_opencl_env external OpenCL environment, created by an
  *                       application program, ignored if set to NULL
  * @return >=0 on success, a negative error code in case of failure
  */
- int av_opencl_init(AVOpenCLExternalEnv *ext_opencl_env);
+int av_opencl_init(AVOpenCLExternalEnv *ext_opencl_env);
 
+#if FF_API_OLD_OPENCL
 /**
  * Create kernel object in the specified kernel environment.
  *
@@ -190,8 +194,27 @@ int av_opencl_register_kernel_code(const char *kernel_code);
  *                         the environment used to run the kernel
  * @param kernel_name      kernel function name
  * @return >=0 on success, a negative error code in case of failure
+ * @deprecated, use clCreateKernel
  */
 int av_opencl_create_kernel(AVOpenCLKernelEnv *env, const char *kernel_name);
+#endif
+
+/**
+ * compile specific OpenCL kernel source
+ *
+ * @param program_name  pointer to a program name used for identification
+ * @param build_opts    pointer to a string that describes the preprocessor
+ *                      build options to be used for building the program
+ * @return a cl_program object
+ */
+cl_program av_opencl_compile(const char *program_name, const char* build_opts);
+
+/**
+ * get OpenCL command queue
+ *
+ * @return a cl_command_queue object
+ */
+cl_command_queue av_opencl_get_command_queue(void);
 
 /**
  * Create OpenCL buffer.
@@ -268,13 +291,16 @@ int av_opencl_buffer_read_image(uint8_t **dst_data, int *plane_size, int plane_n
  */
 void av_opencl_buffer_release(cl_mem *cl_buf);
 
+#if FF_API_OLD_OPENCL
 /**
  * Release kernel object.
  *
  * @param env kernel environment where the kernel object was created
  *            with av_opencl_create_kernel()
+ * @deprecated, use clReleaseKernel
  */
 void av_opencl_release_kernel(AVOpenCLKernelEnv *env);
+#endif
 
 /**
  * Release OpenCL environment.

libavutil/version.h

@@ -75,7 +75,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  52
-#define LIBAVUTIL_VERSION_MINOR  51
+#define LIBAVUTIL_VERSION_MINOR  52
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
@@ -141,6 +141,9 @@
 #ifndef FF_API_GET_CHANNEL_LAYOUT_COMPAT
 #define FF_API_GET_CHANNEL_LAYOUT_COMPAT (LIBAVUTIL_VERSION_MAJOR < 53)
 #endif
+#ifndef FF_API_OLD_OPENCL
+#define FF_API_OLD_OPENCL               (LIBAVUTIL_VERSION_MAJOR < 53)
+#endif
 
 /**
  * @}