88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
/*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef AVFILTER_OPENCL_H
|
|
#define AVFILTER_OPENCL_H
|
|
|
|
#include "libavutil/buffer.h"
|
|
#include "libavutil/hwcontext.h"
|
|
#include "libavutil/hwcontext_opencl.h"
|
|
#include "libavutil/pixfmt.h"
|
|
|
|
#include "avfilter.h"
|
|
|
|
typedef struct OpenCLFilterContext {
|
|
const AVClass *class;
|
|
|
|
AVBufferRef *device_ref;
|
|
AVHWDeviceContext *device;
|
|
AVOpenCLDeviceContext *hwctx;
|
|
|
|
cl_program program;
|
|
|
|
enum AVPixelFormat output_format;
|
|
int output_width;
|
|
int output_height;
|
|
} OpenCLFilterContext;
|
|
|
|
/**
|
|
* Return that all inputs and outputs support only AV_PIX_FMT_OPENCL.
|
|
*/
|
|
int ff_opencl_filter_query_formats(AVFilterContext *avctx);
|
|
|
|
/**
|
|
* Check that the input link contains a suitable hardware frames
|
|
* context and extract the device from it.
|
|
*/
|
|
int ff_opencl_filter_config_input(AVFilterLink *inlink);
|
|
|
|
/**
|
|
* Create a suitable hardware frames context for the output.
|
|
*/
|
|
int ff_opencl_filter_config_output(AVFilterLink *outlink);
|
|
|
|
/**
|
|
* Initialise an OpenCL filter context.
|
|
*/
|
|
int ff_opencl_filter_init(AVFilterContext *avctx);
|
|
|
|
/**
|
|
* Uninitialise an OpenCL filter context.
|
|
*/
|
|
void ff_opencl_filter_uninit(AVFilterContext *avctx);
|
|
|
|
/**
|
|
* Load a new OpenCL program from strings in memory.
|
|
*
|
|
* Creates a new program and compiles it for the current device.
|
|
* Will log any build errors if compilation fails.
|
|
*/
|
|
int ff_opencl_filter_load_program(AVFilterContext *avctx,
|
|
const char **program_source_array,
|
|
int nb_strings);
|
|
|
|
/**
|
|
* Load a new OpenCL program from a file.
|
|
*
|
|
* Same as ff_opencl_filter_load_program(), but from a file.
|
|
*/
|
|
int ff_opencl_filter_load_program_from_file(AVFilterContext *avctx,
|
|
const char *filename);
|
|
|
|
#endif /* AVFILTER_OPENCL_H */
|