mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-29 10:52:20 +00:00
cf234552b8
The opt_opencl_bench function copied the device name using strcpy without checking if the source string was larger. This patch fixes this by replacing the strcpy with av_strlcpy, with the string copy size capped to the destination buffer size. Signed-off-by: Maneesh Gupta <maneesh.gupta@amd.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
277 lines
10 KiB
C
277 lines
10 KiB
C
/*
|
|
* Copyright (C) 2013 Lenny Wang
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#include "libavutil/opt.h"
|
|
#include "libavutil/time.h"
|
|
#include "libavutil/log.h"
|
|
#include "libavutil/opencl.h"
|
|
#include "libavutil/avstring.h"
|
|
#include "cmdutils.h"
|
|
|
|
typedef struct {
|
|
int platform_idx;
|
|
int device_idx;
|
|
char device_name[64];
|
|
int64_t runtime;
|
|
} OpenCLDeviceBenchmark;
|
|
|
|
const char *ocl_bench_source = AV_OPENCL_KERNEL(
|
|
inline unsigned char clip_uint8(int a)
|
|
{
|
|
if (a & (~0xFF))
|
|
return (-a)>>31;
|
|
else
|
|
return a;
|
|
}
|
|
|
|
kernel void unsharp_bench(
|
|
global unsigned char *src,
|
|
global unsigned char *dst,
|
|
global int *mask,
|
|
int width,
|
|
int height)
|
|
{
|
|
int i, j, local_idx, lc_idx, sum = 0;
|
|
int2 thread_idx, block_idx, global_idx, lm_idx;
|
|
thread_idx.x = get_local_id(0);
|
|
thread_idx.y = get_local_id(1);
|
|
block_idx.x = get_group_id(0);
|
|
block_idx.y = get_group_id(1);
|
|
global_idx.x = get_global_id(0);
|
|
global_idx.y = get_global_id(1);
|
|
local uchar data[32][32];
|
|
local int lc[128];
|
|
|
|
for (i = 0; i <= 1; i++) {
|
|
lm_idx.y = -8 + (block_idx.y + i) * 16 + thread_idx.y;
|
|
lm_idx.y = lm_idx.y < 0 ? 0 : lm_idx.y;
|
|
lm_idx.y = lm_idx.y >= height ? height - 1: lm_idx.y;
|
|
for (j = 0; j <= 1; j++) {
|
|
lm_idx.x = -8 + (block_idx.x + j) * 16 + thread_idx.x;
|
|
lm_idx.x = lm_idx.x < 0 ? 0 : lm_idx.x;
|
|
lm_idx.x = lm_idx.x >= width ? width - 1: lm_idx.x;
|
|
data[i*16 + thread_idx.y][j*16 + thread_idx.x] = src[lm_idx.y*width + lm_idx.x];
|
|
}
|
|
}
|
|
local_idx = thread_idx.y*16 + thread_idx.x;
|
|
if (local_idx < 128)
|
|
lc[local_idx] = mask[local_idx];
|
|
barrier(CLK_LOCAL_MEM_FENCE);
|
|
|
|
\n#pragma unroll\n
|
|
for (i = -4; i <= 4; i++) {
|
|
lm_idx.y = 8 + i + thread_idx.y;
|
|
\n#pragma unroll\n
|
|
for (j = -4; j <= 4; j++) {
|
|
lm_idx.x = 8 + j + thread_idx.x;
|
|
lc_idx = (i + 4)*8 + j + 4;
|
|
sum += (int)data[lm_idx.y][lm_idx.x] * lc[lc_idx];
|
|
}
|
|
}
|
|
int temp = (int)data[thread_idx.y + 8][thread_idx.x + 8];
|
|
int res = temp + (((temp - (int)((sum + 1<<15) >> 16))) >> 16);
|
|
if (global_idx.x < width && global_idx.y < height)
|
|
dst[global_idx.x + global_idx.y*width] = clip_uint8(res);
|
|
}
|
|
);
|
|
|
|
#define OCLCHECK(method, ... ) \
|
|
do { \
|
|
status = method(__VA_ARGS__); \
|
|
if (status != CL_SUCCESS) { \
|
|
av_log(NULL, AV_LOG_ERROR, # method " error '%s'\n", \
|
|
av_opencl_errstr(status)); \
|
|
ret = AVERROR_EXTERNAL; \
|
|
goto end; \
|
|
} \
|
|
} while (0)
|
|
|
|
#define CREATEBUF(out, flags, size) \
|
|
do { \
|
|
out = clCreateBuffer(ext_opencl_env->context, flags, size, NULL, &status); \
|
|
if (status != CL_SUCCESS) { \
|
|
av_log(NULL, AV_LOG_ERROR, "Could not create OpenCL buffer\n"); \
|
|
ret = AVERROR_EXTERNAL; \
|
|
goto end; \
|
|
} \
|
|
} while (0)
|
|
|
|
static void fill_rand_int(int *data, int n)
|
|
{
|
|
int i;
|
|
srand(av_gettime());
|
|
for (i = 0; i < n; i++)
|
|
data[i] = rand();
|
|
}
|
|
|
|
#define OPENCL_NB_ITER 5
|
|
static int64_t run_opencl_bench(AVOpenCLExternalEnv *ext_opencl_env)
|
|
{
|
|
int i, arg = 0, width = 1920, height = 1088;
|
|
int64_t start, ret = 0;
|
|
cl_int status;
|
|
size_t kernel_len;
|
|
char *inbuf;
|
|
int *mask;
|
|
int buf_size = width * height * sizeof(char);
|
|
int mask_size = sizeof(uint32_t) * 128;
|
|
|
|
cl_mem cl_mask, cl_inbuf, cl_outbuf;
|
|
cl_kernel kernel = NULL;
|
|
cl_program program = NULL;
|
|
size_t local_work_size_2d[2] = {16, 16};
|
|
size_t global_work_size_2d[2] = {(size_t)width, (size_t)height};
|
|
|
|
if (!(inbuf = av_malloc(buf_size)) || !(mask = av_malloc(mask_size))) {
|
|
av_log(NULL, AV_LOG_ERROR, "Out of memory\n");
|
|
ret = AVERROR(ENOMEM);
|
|
goto end;
|
|
}
|
|
fill_rand_int((int*)inbuf, buf_size/4);
|
|
fill_rand_int(mask, mask_size/4);
|
|
|
|
CREATEBUF(cl_mask, CL_MEM_READ_ONLY, mask_size);
|
|
CREATEBUF(cl_inbuf, CL_MEM_READ_ONLY, buf_size);
|
|
CREATEBUF(cl_outbuf, CL_MEM_READ_WRITE, buf_size);
|
|
|
|
kernel_len = strlen(ocl_bench_source);
|
|
program = clCreateProgramWithSource(ext_opencl_env->context, 1, &ocl_bench_source,
|
|
&kernel_len, &status);
|
|
if (status != CL_SUCCESS || !program) {
|
|
av_log(NULL, AV_LOG_ERROR, "OpenCL unable to create benchmark program\n");
|
|
ret = AVERROR_EXTERNAL;
|
|
goto end;
|
|
}
|
|
status = clBuildProgram(program, 1, &(ext_opencl_env->device_id), NULL, NULL, NULL);
|
|
if (status != CL_SUCCESS) {
|
|
av_log(NULL, AV_LOG_ERROR, "OpenCL unable to build benchmark program\n");
|
|
ret = AVERROR_EXTERNAL;
|
|
goto end;
|
|
}
|
|
kernel = clCreateKernel(program, "unsharp_bench", &status);
|
|
if (status != CL_SUCCESS) {
|
|
av_log(NULL, AV_LOG_ERROR, "OpenCL unable to create benchmark kernel\n");
|
|
ret = AVERROR_EXTERNAL;
|
|
goto end;
|
|
}
|
|
|
|
OCLCHECK(clEnqueueWriteBuffer, ext_opencl_env->command_queue, cl_inbuf, CL_TRUE, 0,
|
|
buf_size, inbuf, 0, NULL, NULL);
|
|
OCLCHECK(clEnqueueWriteBuffer, ext_opencl_env->command_queue, cl_mask, CL_TRUE, 0,
|
|
mask_size, mask, 0, NULL, NULL);
|
|
OCLCHECK(clSetKernelArg, kernel, arg++, sizeof(cl_mem), &cl_inbuf);
|
|
OCLCHECK(clSetKernelArg, kernel, arg++, sizeof(cl_mem), &cl_outbuf);
|
|
OCLCHECK(clSetKernelArg, kernel, arg++, sizeof(cl_mem), &cl_mask);
|
|
OCLCHECK(clSetKernelArg, kernel, arg++, sizeof(cl_int), &width);
|
|
OCLCHECK(clSetKernelArg, kernel, arg++, sizeof(cl_int), &height);
|
|
|
|
start = av_gettime_relative();
|
|
for (i = 0; i < OPENCL_NB_ITER; i++)
|
|
OCLCHECK(clEnqueueNDRangeKernel, ext_opencl_env->command_queue, kernel, 2, NULL,
|
|
global_work_size_2d, local_work_size_2d, 0, NULL, NULL);
|
|
clFinish(ext_opencl_env->command_queue);
|
|
ret = (av_gettime_relative() - start)/OPENCL_NB_ITER;
|
|
end:
|
|
if (kernel)
|
|
clReleaseKernel(kernel);
|
|
if (program)
|
|
clReleaseProgram(program);
|
|
if (cl_inbuf)
|
|
clReleaseMemObject(cl_inbuf);
|
|
if (cl_outbuf)
|
|
clReleaseMemObject(cl_outbuf);
|
|
if (cl_mask)
|
|
clReleaseMemObject(cl_mask);
|
|
av_free(inbuf);
|
|
av_free(mask);
|
|
return ret;
|
|
}
|
|
|
|
static int compare_ocl_device_desc(const void *a, const void *b)
|
|
{
|
|
return ((OpenCLDeviceBenchmark*)a)->runtime - ((OpenCLDeviceBenchmark*)b)->runtime;
|
|
}
|
|
|
|
int opt_opencl_bench(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
int i, j, nb_devices = 0, count = 0;
|
|
int64_t score = 0;
|
|
AVOpenCLDeviceList *device_list;
|
|
AVOpenCLDeviceNode *device_node = NULL;
|
|
OpenCLDeviceBenchmark *devices = NULL;
|
|
cl_platform_id platform;
|
|
|
|
av_opencl_get_device_list(&device_list);
|
|
for (i = 0; i < device_list->platform_num; i++)
|
|
nb_devices += device_list->platform_node[i]->device_num;
|
|
if (!nb_devices) {
|
|
av_log(NULL, AV_LOG_ERROR, "No OpenCL device detected!\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
if (!(devices = av_malloc_array(nb_devices, sizeof(OpenCLDeviceBenchmark)))) {
|
|
av_log(NULL, AV_LOG_ERROR, "Could not allocate buffer\n");
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
for (i = 0; i < device_list->platform_num; i++) {
|
|
for (j = 0; j < device_list->platform_node[i]->device_num; j++) {
|
|
device_node = device_list->platform_node[i]->device_node[j];
|
|
platform = device_list->platform_node[i]->platform_id;
|
|
score = av_opencl_benchmark(device_node, platform, run_opencl_bench);
|
|
if (score > 0) {
|
|
devices[count].platform_idx = i;
|
|
devices[count].device_idx = j;
|
|
devices[count].runtime = score;
|
|
av_strlcpy(devices[count].device_name, device_node->device_name,
|
|
sizeof(devices[count].device_name));
|
|
count++;
|
|
}
|
|
}
|
|
}
|
|
qsort(devices, count, sizeof(OpenCLDeviceBenchmark), compare_ocl_device_desc);
|
|
fprintf(stderr, "platform_idx\tdevice_idx\tdevice_name\truntime\n");
|
|
for (i = 0; i < count; i++)
|
|
fprintf(stdout, "%d\t%d\t%s\t%"PRId64"\n",
|
|
devices[i].platform_idx, devices[i].device_idx,
|
|
devices[i].device_name, devices[i].runtime);
|
|
|
|
av_opencl_free_device_list(&device_list);
|
|
av_free(devices);
|
|
return 0;
|
|
}
|
|
|
|
int opt_opencl(void *optctx, const char *opt, const char *arg)
|
|
{
|
|
char *key, *value;
|
|
const char *opts = arg;
|
|
int ret = 0;
|
|
while (*opts) {
|
|
ret = av_opt_get_key_value(&opts, "=", ":", 0, &key, &value);
|
|
if (ret < 0)
|
|
return ret;
|
|
ret = av_opencl_set_option(key, value);
|
|
if (ret < 0)
|
|
return ret;
|
|
if (*opts)
|
|
opts++;
|
|
}
|
|
return ret;
|
|
}
|