19 #ifndef AVFILTER_OPENCL_H 20 #define AVFILTER_OPENCL_H 26 #define CL_USE_DEPRECATED_OPENCL_1_2_APIS 61 #define CL_SET_KERNEL_ARG(kernel, arg_num, type, arg) \ 62 cle = clSetKernelArg(kernel, arg_num, sizeof(type), arg); \ 63 if (cle != CL_SUCCESS) { \ 64 av_log(avctx, AV_LOG_ERROR, "Failed to set kernel " \ 65 "argument %d: error %d.\n", arg_num, cle); \ 74 #define CL_FAIL_ON_ERROR(errcode, ...) do { \ 75 if (cle != CL_SUCCESS) { \ 76 av_log(avctx, AV_LOG_ERROR, __VA_ARGS__); \ 93 #define CL_CREATE_KERNEL(ctx, kernel_name) do { \ 94 ctx->kernel_ ## kernel_name = clCreateKernel(ctx->ocf.program, #kernel_name, &cle); \ 95 CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to create %s kernel: %d.\n", #kernel_name, cle); \ 101 #define CL_RELEASE_KERNEL(k) \ 104 cle = clReleaseKernel(k); \ 105 if (cle != CL_SUCCESS) \ 106 av_log(avctx, AV_LOG_ERROR, "Failed to release " \ 107 "OpenCL kernel: %d.\n", cle); \ 114 #define CL_RELEASE_MEMORY(m) \ 117 cle = clReleaseMemObject(m); \ 118 if (cle != CL_SUCCESS) \ 119 av_log(avctx, AV_LOG_ERROR, "Failed to release " \ 120 "OpenCL memory: %d.\n", cle); \ 127 #define CL_RELEASE_QUEUE(q) \ 130 cle = clReleaseCommandQueue(q); \ 131 if (cle != CL_SUCCESS) \ 132 av_log(avctx, AV_LOG_ERROR, "Failed to release " \ 133 "OpenCL command queue: %d.\n", cle); \ 146 #define CL_ENQUEUE_KERNEL_WITH_ARGS(queue, kernel, global_work_size, local_work_size, event, ...) \ 148 OpenCLKernelArg args[] = {__VA_ARGS__}; \ 149 for (int i = 0; i < FF_ARRAY_ELEMS(args); i++) { \ 150 cle = clSetKernelArg(kernel, i, args[i].arg_size, args[i].arg_val); \ 151 if (cle != CL_SUCCESS) { \ 152 av_log(avctx, AV_LOG_ERROR, "Failed to set kernel " \ 153 "argument %d: error %d.\n", i, cle); \ 154 err = AVERROR(EIO); \ 159 cle = clEnqueueNDRangeKernel( \ 162 FF_ARRAY_ELEMS(global_work_size), \ 170 CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to enqueue kernel: %d.\n", cle); \ 180 #define CL_RUN_KERNEL_WITH_ARGS(queue, kernel, global_work_size, local_work_size, event, ...) do { \ 181 CL_ENQUEUE_KERNEL_WITH_ARGS( \ 182 queue, kernel, global_work_size, local_work_size, event, __VA_ARGS__ \ 185 cle = clFinish(queue); \ 186 CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to finish command queue: %d.\n", cle); \ 197 #define CL_CREATE_BUFFER_FLAGS(ctx, buffer_name, flags, size, host_ptr) do { \ 198 ctx->buffer_name = clCreateBuffer( \ 199 ctx->ocf.hwctx->context, \ 205 CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to create buffer %s: %d.\n", #buffer_name, cle); \ 214 #define CL_BLOCKING_WRITE_BUFFER(queue, buffer, size, host_ptr, event) do { \ 215 cle = clEnqueueWriteBuffer( \ 226 CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to write buffer to device: %d.\n", cle); \ 237 #define CL_CREATE_BUFFER(ctx, buffer_name, size) CL_CREATE_BUFFER_FLAGS(ctx, buffer_name, 0, size, NULL) 272 const char **program_source_array,
281 const char *filename);
289 int block_alignment);
This struct aggregates all the (hardware/vendor-specific) "high-level" state, i.e.
API-specific header for AV_HWDEVICE_TYPE_OPENCL.
cl_ulong ff_opencl_get_event_time(cl_event event)
Gets the command start and end times for the given event and returns the difference (the time that th...
void ff_opencl_print_const_matrix_3x3(AVBPrint *buf, const char *name_str, double mat[3][3])
Print a 3x3 matrix into a buffer as __constant array, which could be included in an OpenCL program...
This structure describes decoded (raw) audio or video data.
Main libavfilter public API header.
int ff_opencl_filter_work_size_from_image(AVFilterContext *avctx, size_t *work_size, AVFrame *frame, int plane, int block_alignment)
Find the work size needed needed for a given plane of an image.
AVOpenCLDeviceContext * hwctx
AVHWDeviceContext * device
int ff_opencl_filter_load_program(AVFilterContext *avctx, const char **program_source_array, int nb_strings)
Load a new OpenCL program from strings in memory.
A link between two filters.
void ff_opencl_filter_uninit(AVFilterContext *avctx)
Uninitialise an OpenCL filter context.
int ff_opencl_filter_load_program_from_file(AVFilterContext *avctx, const char *filename)
Load a new OpenCL program from a file.
int ff_opencl_filter_config_output(AVFilterLink *outlink)
Create a suitable hardware frames context for the output.
enum AVPixelFormat output_format
int ff_opencl_filter_init(AVFilterContext *avctx)
Initialise an OpenCL filter context.
Describe the class of an AVClass context structure.
refcounted data buffer API
A reference to a data buffer.
int ff_opencl_filter_query_formats(AVFilterContext *avctx)
Return that all inputs and outputs support only AV_PIX_FMT_OPENCL.
int ff_opencl_filter_config_input(AVFilterLink *inlink)
Check that the input link contains a suitable hardware frames context and extract the device from it...
AVPixelFormat
Pixel format.