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/*
* 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 <stdio.h>
#include "libavutil/hwcontext.h"
static int test_derivation(AVBufferRef *src_ref, const char *src_name)
{
enum AVHWDeviceType derived_type;
const char *derived_name;
AVBufferRef *derived_ref = NULL, *back_ref = NULL;
AVHWDeviceContext *src_dev, *derived_dev;
int err;
src_dev = (AVHWDeviceContext*)src_ref->data;
derived_type = AV_HWDEVICE_TYPE_NONE;
while (1) {
derived_type = av_hwdevice_iterate_types(derived_type);
if (derived_type == AV_HWDEVICE_TYPE_NONE)
break;
derived_name = av_hwdevice_get_type_name(derived_type);
err = av_hwdevice_ctx_create_derived(&derived_ref, derived_type,
src_ref, 0);
if (err < 0) {
fprintf(stderr, "Unable to derive %s -> %s: %d.\n",
src_name, derived_name, err);
continue;
}
derived_dev = (AVHWDeviceContext*)derived_ref->data;
if (derived_dev->type != derived_type) {
fprintf(stderr, "Device derived as type %d has type %d.\n",
derived_type, derived_dev->type);
goto fail;
}
if (derived_type == src_dev->type) {
if (derived_dev != src_dev) {
fprintf(stderr, "Derivation of %s from itself succeeded "
"but did not return the same device.\n", src_name);
goto fail;
}
av_buffer_unref(&derived_ref);
continue;
}
err = av_hwdevice_ctx_create_derived(&back_ref, src_dev->type,
derived_ref, 0);
if (err < 0) {
fprintf(stderr, "Derivation %s to %s succeeded, but derivation "
"back again failed: %d.\n",
src_name, derived_name, err);
goto fail;
}
if (back_ref->data != src_ref->data) {
fprintf(stderr, "Derivation %s to %s succeeded, but derivation "
"back again did not return the original device.\n",
src_name, derived_name);
goto fail;
}
fprintf(stderr, "Successfully tested derivation %s -> %s.\n",
src_name, derived_name);
av_buffer_unref(&derived_ref);
av_buffer_unref(&back_ref);
}
return 0;
fail:
av_buffer_unref(&derived_ref);
av_buffer_unref(&back_ref);
return -1;
}
static int test_device(enum AVHWDeviceType type, const char *name,
const char *device, AVDictionary *opts, int flags)
{
AVBufferRef *ref;
AVHWDeviceContext *dev;
int err;
err = av_hwdevice_ctx_create(&ref, type, device, opts, flags);
if (err < 0) {
fprintf(stderr, "Failed to create %s device: %d.\n", name, err);
return 1;
}
dev = (AVHWDeviceContext*)ref->data;
if (dev->type != type) {
fprintf(stderr, "Device created as type %d has type %d.\n",
type, dev->type);
av_buffer_unref(&ref);
return -1;
}
fprintf(stderr, "Device type %s successfully created.\n", name);
err = test_derivation(ref, name);
av_buffer_unref(&ref);
return err;
}
static const struct {
enum AVHWDeviceType type;
const char *possible_devices[5];
} test_devices[] = {
{ AV_HWDEVICE_TYPE_CUDA,
{ "0", "1", "2" } },
{ AV_HWDEVICE_TYPE_DRM,
{ "/dev/dri/card0", "/dev/dri/card1",
"/dev/dri/renderD128", "/dev/dri/renderD129" } },
{ AV_HWDEVICE_TYPE_DXVA2,
{ "0", "1", "2" } },
{ AV_HWDEVICE_TYPE_D3D11VA,
{ "0", "1", "2" } },
{ AV_HWDEVICE_TYPE_D3D12VA,
{ "0", "1", "2" } },
{ AV_HWDEVICE_TYPE_OPENCL,
{ "0.0", "0.1", "1.0", "1.1" } },
{ AV_HWDEVICE_TYPE_VAAPI,
{ "/dev/dri/renderD128", "/dev/dri/renderD129", ":0", "0", "1" } },
};
static int test_device_type(enum AVHWDeviceType type)
{
enum AVHWDeviceType check;
const char *name;
int i, j, found, err;
name = av_hwdevice_get_type_name(type);
if (!name) {
fprintf(stderr, "No name available for device type %d.\n", type);
return -1;
}
check = av_hwdevice_find_type_by_name(name);
if (check != type) {
fprintf(stderr, "Type %d maps to name %s maps to type %d.\n",
type, name, check);
return -1;
}
found = 0;
err = test_device(type, name, NULL, NULL, 0);
if (err < 0) {
fprintf(stderr, "Test failed for %s with default options.\n", name);
return -1;
}
if (err == 0) {
fprintf(stderr, "Test passed for %s with default options.\n", name);
++found;
}
for (i = 0; i < FF_ARRAY_ELEMS(test_devices); i++) {
if (test_devices[i].type != type)
continue;
for (j = 0; test_devices[i].possible_devices[j]; j++) {
err = test_device(type, name,
test_devices[i].possible_devices[j],
NULL, 0);
if (err < 0) {
fprintf(stderr, "Test failed for %s with device %s.\n",
name, test_devices[i].possible_devices[j]);
return -1;
}
if (err == 0) {
fprintf(stderr, "Test passed for %s with device %s.\n",
name, test_devices[i].possible_devices[j]);
++found;
}
}
}
return !found;
}
int main(void)
{
enum AVHWDeviceType type = AV_HWDEVICE_TYPE_NONE;
int pass, fail, skip, err;
pass = fail = skip = 0;
while (1) {
type = av_hwdevice_iterate_types(type);
if (type == AV_HWDEVICE_TYPE_NONE)
break;
err = test_device_type(type);
if (err == 0)
++pass;
else if (err < 0)
++fail;
else
++skip;
}
fprintf(stderr, "Attempted to test %d device types: "
"%d passed, %d failed, %d skipped.\n",
pass + fail + skip, pass, fail, skip);
return fail > 0;
}
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