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nvidia-vfx-prototyping/samples/BatchEffectApp/BatchDenoiseEffectApp.cpp

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/*###############################################################################
#
# Copyright (c) 2020 NVIDIA Corporation
#
# Permission is hereby granted, free of charge, to any person obtaining a copy of
# this software and associated documentation files (the "Software"), to deal in
# the Software without restriction, including without limitation the rights to
# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
# the Software, and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
###############################################################################*/
#include <stdio.h>
#include <string.h>
#include <string>
#include <cuda_runtime_api.h>
#include "BatchUtilities.h"
#include "nvCVOpenCV.h"
#include "nvVideoEffects.h"
#include "opencv2/opencv.hpp"
#ifdef _MSC_VER
#define strcasecmp _stricmp
#endif // _MSC_VER
#define BAIL_IF_ERR(err) do { if (0 != (err)) { goto bail; } } while(0)
#define BAIL_IF_NULL(x, err, code) do { if ((void*)(x) == NULL) { err = code; goto bail; } } while(0)
#define BAIL_IF_FALSE(x, err, code) do { if (!(x)) { err = code; goto bail; } } while(0)
#define BAIL(err, code) do { err = code; goto bail; } while(0)
bool FLAG_verbose = false;
float FLAG_strength = 0.f,
FLAG_scale = 1.0;
int FLAG_mode = 0,
FLAG_resolution = 0,
FLAG_batchSize = 8;
std::string FLAG_outFile,
FLAG_modelDir;
std::vector<const char*> FLAG_inFiles;
// Set this when using OTA Updates
// This path is used by nvVideoEffectsProxy.cpp to load the SDK dll
// when using OTA Updates
char *g_nvVFXSDKPath = NULL;
static bool GetFlagArgVal(const char *flag, const char *arg, const char **val) {
if (*arg != '-')
return false;
while (*++arg == '-')
continue;
const char *s = strchr(arg, '=');
if (s == NULL) {
if (strcmp(flag, arg) != 0)
return false;
*val = NULL;
return true;
}
size_t n = s - arg;
if ((strlen(flag) != n) || (strncmp(flag, arg, n) != 0))
return false;
*val = s + 1;
return true;
}
static bool GetFlagArgVal(const char *flag, const char *arg, std::string *val) {
const char *valStr;
if (!GetFlagArgVal(flag, arg, &valStr))
return false;
val->assign(valStr ? valStr : "");
return true;
}
static bool GetFlagArgVal(const char *flag, const char *arg, bool *val) {
const char *valStr;
bool success = GetFlagArgVal(flag, arg, &valStr);
if (success) {
*val = (valStr == NULL ||
strcasecmp(valStr, "true") == 0 ||
strcasecmp(valStr, "on") == 0 ||
strcasecmp(valStr, "yes") == 0 ||
strcasecmp(valStr, "1") == 0
);
}
return success;
}
static bool GetFlagArgVal(const char *flag, const char *arg, float *val) {
const char *valStr;
bool success = GetFlagArgVal(flag, arg, &valStr);
if (success)
*val = strtof(valStr, NULL);
return success;
}
static bool GetFlagArgVal(const char *flag, const char *arg, long *val) {
const char *valStr;
bool success = GetFlagArgVal(flag, arg, &valStr);
if (success)
*val = strtol(valStr, NULL, 10);
return success;
}
static bool GetFlagArgVal(const char *flag, const char *arg, int *val) {
long longVal;
bool success = GetFlagArgVal(flag, arg, &longVal);
if (success)
*val = (int)longVal;
return success;
}
static void Usage() {
printf(
"BatchDenoiseEffectApp [flags ...] inFile1 [ inFileN ...]\n"
" where flags is:\n"
" --out_file=<path> output video files to be written (a pattern with one %%u or %%d), default \"BatchOut_%%02u.mp4\"\n"
" --strength=<value> strength of denoising [0-1]\n"
" --model_dir=<path> the path to the directory that contains the models\n"
" --batchsize=<value> size of the batch (default: 8)\n"
" --verbose verbose output\n"
" and inFile1 ... are identically sized video files\n"
);
}
static int ParseMyArgs(int argc, char **argv) {
int errs = 0;
for (--argc, ++argv; argc--; ++argv) {
bool help;
const char *arg = *argv;
if (arg[0] == '-') {
if (arg[1] == '-') { // double-dash
if (GetFlagArgVal("verbose", arg, &FLAG_verbose) ||
GetFlagArgVal("strength", arg, &FLAG_strength) ||
GetFlagArgVal("scale", arg, &FLAG_scale) ||
GetFlagArgVal("mode", arg, &FLAG_mode) ||
GetFlagArgVal("model_dir", arg, &FLAG_modelDir) ||
GetFlagArgVal("out_file", arg, &FLAG_outFile) ||
GetFlagArgVal("batch_size", arg, &FLAG_batchSize)
) {
continue;
} else if (GetFlagArgVal("help", arg, &help)) { // --help
Usage();
errs = 1;
}
}
else { // single dash
for (++arg; *arg; ++arg) {
if (*arg == 'v') {
FLAG_verbose = true;
} else {
printf("Unknown flag ignored: \"-%c\"\n", *arg);
}
}
continue;
}
}
else { // no dash
FLAG_inFiles.push_back(arg);
}
}
return errs;
}
class App {
public:
NvVFX_Handle _eff;
NvCVImage _src, _stg, _dst;
CUstream _stream;
unsigned _batchSize;
App() : _eff(nullptr), _stream(0), _batchSize(0) {}
~App() { NvVFX_DestroyEffect(_eff); if (_stream) NvVFX_CudaStreamDestroy(_stream); }
NvCV_Status init(const char* effectName, unsigned batchSize, const NvCVImage *srcImg) {
NvCV_Status err = NVCV_ERR_UNIMPLEMENTED;
_batchSize = batchSize;
BAIL_IF_ERR(err = NvVFX_CreateEffect(effectName, &_eff));
BAIL_IF_ERR(err = AllocateBatchBuffer(&_src, _batchSize, srcImg->width, srcImg->height, NVCV_BGR, NVCV_F32, NVCV_PLANAR, NVCV_CUDA, 1)); //
BAIL_IF_ERR(err = AllocateBatchBuffer(&_dst, _batchSize, srcImg->width, srcImg->height, NVCV_BGR, NVCV_F32, NVCV_PLANAR, NVCV_CUDA, 1)); //
BAIL_IF_ERR(err = NvVFX_SetString(_eff, NVVFX_MODEL_DIRECTORY, FLAG_modelDir.c_str())); //
{ // Set parameters.
NvCVImage nth;
BAIL_IF_ERR(err = NvVFX_SetImage(_eff, NVVFX_INPUT_IMAGE, NthImage(0, srcImg->height, &_src, &nth))); // Set the first of the batched images in ...
BAIL_IF_ERR(err = NvVFX_SetImage(_eff, NVVFX_OUTPUT_IMAGE, NthImage(0, _dst.height / _batchSize, &_dst, &nth))); // ... and out
BAIL_IF_ERR(err = NvVFX_CudaStreamCreate(&_stream));
BAIL_IF_ERR(err = NvVFX_SetCudaStream(_eff, NVVFX_CUDA_STREAM, _stream));
BAIL_IF_ERR(err = NvVFX_Load(_eff));
}
bail:
return err;
}
};
NvCV_Status BatchProcess(const char* effectName, const std::vector<const char*>& srcVideos, unsigned batchSize, const char *outfilePattern) {
NvCV_Status err = NVCV_SUCCESS;
App app;
cv::Mat ocv1, ocv2;
NvCVImage nvx1, nvx2;
unsigned srcWidth, srcHeight, dstHeight;
void** arrayOfStates = nullptr;
void** batchOfStates = nullptr;
unsigned int stateSizeInBytes;
unsigned int numOfVideoStreams = static_cast<unsigned int>(srcVideos.size());
std::vector<cv::VideoCapture> srcCaptures(numOfVideoStreams);
std::vector<cv::VideoWriter> dstWriters(numOfVideoStreams);
for (unsigned int i = 0; i < numOfVideoStreams; i++) {
srcCaptures[i].open(srcVideos[i]);
if (srcCaptures[i].isOpened()==false) BAIL(err, NVCV_ERR_READ);
int width, height;
double fps;
width = (int)srcCaptures[i].get(cv::CAP_PROP_FRAME_WIDTH);
height = (int)srcCaptures[i].get(cv::CAP_PROP_FRAME_HEIGHT);
fps = srcCaptures[i].get(cv::CAP_PROP_FPS);
const int fourcc_h264 = cv::VideoWriter::fourcc('H','2','6','4');
char fileName[1024];
snprintf(fileName, sizeof(fileName), outfilePattern, i);
dstWriters[i].open(fileName, fourcc_h264, fps, cv::Size2i(width,height));
if (dstWriters[i].isOpened() == false) BAIL(err, NVCV_ERR_WRITE);
}
// Read in the first image, to determine the resolution for init()
BAIL_IF_FALSE(srcVideos.size() > 0, err, NVCV_ERR_MISSINGINPUT);
srcCaptures[0] >> ocv1;
srcCaptures[0].set(cv::CAP_PROP_POS_FRAMES, 0); //resetting to first frame
if (!ocv1.data) {
printf("Cannot read video file \"%s\"\n", srcVideos[0]);
BAIL(err, NVCV_ERR_READ);
}
NVWrapperForCVMat(&ocv1, &nvx1);
srcWidth = nvx1.width;
srcHeight = nvx1.height;
BAIL_IF_ERR(err = app.init(effectName, batchSize, &nvx1)); // Init effect and buffers
// Creating state objects, one per stream.
BAIL_IF_ERR(err = NvVFX_GetU32(app._eff, NVVFX_STATE_SIZE, &stateSizeInBytes));
arrayOfStates = (void**)calloc(numOfVideoStreams, sizeof(void*)); // allocating void* array of numOfVideoStreams elements
for (unsigned int i = 0; i < numOfVideoStreams; i++) {
cudaMalloc(&arrayOfStates[i], stateSizeInBytes);
cudaMemsetAsync(arrayOfStates[i], 0, stateSizeInBytes,app._stream);
}
//Creating batch array to hold states
batchOfStates = (void**)calloc(batchSize, sizeof(void*));
dstHeight = app._dst.height / batchSize;
BAIL_IF_ERR(err = NvCVImage_Alloc(&nvx2, app._dst.width, dstHeight, ((app._dst.numComponents == 1) ? NVCV_Y : NVCV_BGR), NVCV_U8, NVCV_CHUNKY, NVCV_CPU, 0));
CVWrapperForNvCVImage(&nvx2, &ocv2);
for(int j=0;;j++)
{
for (unsigned int i = 0; i < batchSize; i++) {
int capIdx = i%numOfVideoStreams; // interlacing frames from different video stream, but can in any order
srcCaptures[capIdx] >> ocv1;
if (ocv1.empty()) goto bail;
batchOfStates[i] = arrayOfStates[capIdx];
NVWrapperForCVMat(&ocv1, &nvx1);
if (!(nvx1.width == srcWidth && nvx1.height == srcHeight)) {
printf("Input video file \"%s\" %ux%u does not match %ux%u\n"
"Batching requires all video frames to be of the same size\n", srcVideos[i], nvx1.width, nvx1.height, srcWidth, srcHeight);
BAIL(err, NVCV_ERR_MISMATCH);
}
BAIL_IF_ERR(err = TransferToNthImage(i, &nvx1, &app._src, 1.f / 255.f, app._stream, &app._stg));
ocv1.release();
}
// Run batch
BAIL_IF_ERR(err = NvVFX_SetU32(app._eff, NVVFX_BATCH_SIZE, (unsigned)batchSize)); // The batchSize can change every Run
BAIL_IF_ERR(err = NvVFX_SetObject(app._eff, NVVFX_STATE, (void*)batchOfStates)); // The batch of states can change every Run
BAIL_IF_ERR(err = NvVFX_Run(app._eff, 0));
for (unsigned int i = 0; i < batchSize; ++i) {
int writerIdx = i % numOfVideoStreams;
BAIL_IF_ERR(err = TransferFromNthImage(i, &app._dst, &nvx2, 255.f, app._stream, &app._stg));
dstWriters[writerIdx] << ocv2;
}
// NvCVImage_Dealloc() is called in the destructors
}
bail:
if (arrayOfStates) {
for (unsigned int i = 0; i < numOfVideoStreams; i++) {
if (arrayOfStates[i]) cudaFree(arrayOfStates[i]);
}
free(arrayOfStates);
}
if (batchOfStates) free(batchOfStates);
for (auto& cap : srcCaptures) {
if (cap.isOpened()) cap.release();
}
for (auto& writer : dstWriters) {
if (writer.isOpened()) writer.release();
}
return err;
}
int main(int argc, char** argv) {
int nErrs;
NvCV_Status vfxErr;
nErrs = ParseMyArgs(argc, argv);
if (nErrs)
return nErrs;
if (FLAG_outFile.empty())
FLAG_outFile = "BatchOut_%02u.mp4";
else if (std::string::npos == FLAG_outFile.find_first_of('%'))
FLAG_outFile.insert(FLAG_outFile.size() - 4, "_%02u");
vfxErr = BatchProcess(NVVFX_FX_DENOISING, FLAG_inFiles, FLAG_batchSize, FLAG_outFile.c_str());
if (NVCV_SUCCESS != vfxErr) {
Usage();
printf("Error: %s\n", NvCV_GetErrorStringFromCode(vfxErr));
nErrs = (int)vfxErr;
}
return nErrs;
}
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