Aryan Salmanpour
304 行
12 KiB
C++
304 行
12 KiB
C++
/*
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Copyright (c) 2023 - 2026 Advanced Micro Devices, Inc. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#include <iostream>
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#include <fstream>
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#include <iomanip>
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#include <unistd.h>
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#include <vector>
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#include <string>
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#include <fstream>
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#include <chrono>
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#include <sys/stat.h>
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#include <libgen.h>
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#if __cplusplus >= 201703L && __has_include(<filesystem>)
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#include <filesystem>
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#else
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#include <experimental/filesystem>
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#endif
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#include "video_demuxer.h"
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#include "roc_video_dec.h"
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#include "md5.h"
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class FileStreamProvider : public VideoDemuxer::StreamProvider {
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public:
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FileStreamProvider(const char *input_file_path) {
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fp_in_.open(input_file_path, std::ifstream::in | std::ifstream::binary);
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if (!fp_in_) {
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std::cerr << "Unable to open input file: " << input_file_path << std::endl;
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exit(-1);
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}
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fp_in_.seekg (0, fp_in_.end);
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int length = fp_in_.tellg();
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fp_in_.seekg (0, fp_in_.beg);
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io_buffer_size_ = length;
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}
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~FileStreamProvider() {
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fp_in_.close();
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}
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// Fill in the buffer owned by the demuxer
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int GetData(uint8_t *p_buf, int n_buf) {
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// We read a file for this example. You may get your data from network or somewhere else
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return static_cast<int>(fp_in_.read(reinterpret_cast<char*>(p_buf), n_buf).gcount());
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}
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size_t GetBufferSize() { return io_buffer_size_; };
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private:
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std::ifstream fp_in_;
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size_t io_buffer_size_;
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};
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void ShowHelpAndExit(const char *option = NULL) {
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std::cout << "Options:" << std::endl
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<< "-i Input File Path - required" << std::endl
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<< "-o Output File Path - dumps output if requested; optional" << std::endl
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<< "-d GPU device ID (0 for the first device, 1 for the second, etc.); optional; default: 0" << std::endl
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<< "-z force_zero_latency (force_zero_latency, Decoded frames will be flushed out for display immediately); optional;" << std::endl
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<< "-sei extract SEI messages; optional;" << std::endl
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<< "-md5 generate MD5 message digest on the decoded YUV image sequence; optional;" << std::endl
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<< "-md5_check MD5 File Path - generate MD5 message digest on the decoded YUV image sequence and compare to the reference MD5 string in a file; optional;" << std::endl
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<< "-crop crop rectangle for output (not used when using interopped decoded frame); optional; default: 0" << std::endl
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<< "-m output_surface_memory_type - decoded surface memory; optional; default - 0"
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<< " [0 : OUT_SURFACE_MEM_DEV_INTERNAL/ 1 : OUT_SURFACE_MEM_DEV_COPIED/ 2 : OUT_SURFACE_MEM_HOST_COPIED/ 3 : OUT_SURFACE_MEM_NOT_MAPPED]" << std::endl
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<< "-disp_delay -specify the number of frames to be delayed for display; optional; default: 1" << std::endl;
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exit(0);
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}
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int main(int argc, char **argv) {
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std::string input_file_path, output_file_path, md5_file_path;
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std::fstream ref_md5_file;
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int dump_output_frames = 0;
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int device_id = 0;
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bool b_force_zero_latency = false; // false by default: enabling this option might affect decoding performance
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bool b_extract_sei_messages = false;
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bool b_generate_md5 = false;
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bool b_md5_check = false;
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int disp_delay = 1;
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Rect crop_rect = {};
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Rect *p_crop_rect = nullptr;
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OutputSurfaceMemoryType mem_type = OUT_SURFACE_MEM_DEV_INTERNAL; // set to internal
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// Parse command-line arguments
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if(argc <= 1) {
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ShowHelpAndExit();
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}
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for (int i = 1; i < argc; i++) {
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if (!strcmp(argv[i], "-h")) {
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ShowHelpAndExit();
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}
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if (!strcmp(argv[i], "-i")) {
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if (++i == argc) {
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ShowHelpAndExit("-i");
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}
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input_file_path = argv[i];
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continue;
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}
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if (!strcmp(argv[i], "-o")) {
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if (++i == argc) {
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ShowHelpAndExit("-o");
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}
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output_file_path = argv[i];
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dump_output_frames = 1;
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continue;
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}
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if (!strcmp(argv[i], "-d")) {
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if (++i == argc) {
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ShowHelpAndExit("-d");
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}
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device_id = atoi(argv[i]);
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continue;
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}
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if (!strcmp(argv[i], "-z")) {
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if (i == argc) {
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ShowHelpAndExit("-z");
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}
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b_force_zero_latency = true;
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continue;
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}
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if (!strcmp(argv[i], "-sei")) {
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if (i == argc) {
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ShowHelpAndExit("-sei");
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}
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b_extract_sei_messages = true;
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continue;
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}
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if (!strcmp(argv[i], "-md5")) {
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if (i == argc) {
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ShowHelpAndExit("-md5");
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}
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b_generate_md5 = true;
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continue;
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}
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if (!strcmp(argv[i], "-md5_check")) {
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if (++i == argc) {
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ShowHelpAndExit("-md5_check");
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}
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b_generate_md5 = true;
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b_md5_check = true;
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md5_file_path = argv[i];
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continue;
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}
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if (!strcmp(argv[i], "-crop")) {
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if (++i == argc || 4 != sscanf(argv[i], "%d,%d,%d,%d", &crop_rect.left, &crop_rect.top, &crop_rect.right, &crop_rect.bottom)) {
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ShowHelpAndExit("-crop");
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}
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if ((crop_rect.right - crop_rect.left) % 2 == 1 || (crop_rect.bottom - crop_rect.top) % 2 == 1) {
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std::cout << "output crop rectangle must have width and height of even numbers" << std::endl;
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exit(1);
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}
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p_crop_rect = &crop_rect;
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continue;
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}
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if (!strcmp(argv[i], "-m")) {
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if (++i == argc) {
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ShowHelpAndExit("-m");
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}
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mem_type = static_cast<OutputSurfaceMemoryType>(atoi(argv[i]));
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continue;
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}
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if (!strcmp(argv[i], "-disp_delay")) {
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if (++i == argc) {
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ShowHelpAndExit("-disp_delay");
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}
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disp_delay = atoi(argv[i]);
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continue;
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}
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ShowHelpAndExit(argv[i]);
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}
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try {
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FileStreamProvider stream_provider(input_file_path.c_str());
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VideoDemuxer demuxer(&stream_provider);
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rocDecVideoCodec rocdec_codec_id = AVCodec2RocDecVideoCodec(demuxer.GetCodecID());
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RocVideoDecoder viddec(device_id, mem_type, rocdec_codec_id, b_force_zero_latency, p_crop_rect, b_extract_sei_messages, disp_delay);
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if(!viddec.CodecSupported(device_id, rocdec_codec_id, demuxer.GetBitDepth())) {
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std::cerr << "GPU doesn't support codec!" << std::endl;
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return 0;
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}
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std::string device_name, gcn_arch_name;
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int pci_bus_id, pci_domain_id, pci_device_id;
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viddec.GetDeviceinfo(device_name, gcn_arch_name, pci_bus_id, pci_domain_id, pci_device_id);
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std::cout << "info: Using GPU device " << device_id << " - " << device_name << "[" << gcn_arch_name << "] on PCI bus " <<
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std::setfill('0') << std::setw(2) << std::right << std::hex << pci_bus_id << ":" << std::setfill('0') << std::setw(2) <<
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std::right << std::hex << pci_domain_id << "." << pci_device_id << std::dec << std::endl;
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std::cout << "info: decoding started, please wait!" << std::endl;
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int n_video_bytes = 0, n_frame_returned = 0, n_frame = 0;
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uint8_t *pvideo = nullptr;
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int pkg_flags = 0;
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uint8_t *pframe = nullptr;
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int64_t pts = 0;
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OutputSurfaceInfo *surf_info;
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uint32_t width, height;
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double total_dec_time = 0;
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MD5Generator *md5_generator = nullptr;
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if (b_generate_md5) {
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md5_generator = new MD5Generator();
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md5_generator->InitMd5();
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}
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do {
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auto start_time = std::chrono::high_resolution_clock::now();
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demuxer.Demux(&pvideo, &n_video_bytes, &pts);
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// Treat 0 bitstream size as end of stream indicator
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if (n_video_bytes == 0) {
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pkg_flags |= ROCDEC_PKT_ENDOFSTREAM;
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}
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n_frame_returned = viddec.DecodeFrame(pvideo, n_video_bytes, pkg_flags, pts);
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auto end_time = std::chrono::high_resolution_clock::now();
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auto time_per_frame = std::chrono::duration<double, std::milli>(end_time - start_time).count();
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total_dec_time += time_per_frame;
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if (!n_frame && !viddec.GetOutputSurfaceInfo(&surf_info)) {
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std::cerr << "Error: Failed to get Output Surface Info!" << std::endl;
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break;
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}
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for (int i = 0; i < n_frame_returned; i++) {
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pframe = viddec.GetFrame(&pts);
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if (b_generate_md5 && pframe) {
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md5_generator->UpdateMd5ForFrame(pframe, surf_info);
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}
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if (dump_output_frames && mem_type != OUT_SURFACE_MEM_NOT_MAPPED) {
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viddec.SaveFrameToFile(output_file_path, pframe, surf_info);
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}
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// release frame
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viddec.ReleaseFrame(pts);
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}
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n_frame += n_frame_returned;
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} while (n_video_bytes);
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std::cout << "info: Total frame decoded: " << n_frame << std::endl;
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if (!dump_output_frames) {
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std::cout << "info: avg decoding time per frame (ms): " << total_dec_time / n_frame << std::endl;
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std::cout << "info: avg FPS: " << (n_frame / total_dec_time) * 1000 << std::endl;
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} else {
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if (mem_type == OUT_SURFACE_MEM_NOT_MAPPED) {
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std::cout << "info: saving frames with -m 3 option is not supported!" << std::endl;
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} else {
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std::cout << "info: saved frames into " << output_file_path << std::endl;
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}
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}
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if (b_generate_md5) {
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uint8_t *digest;
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md5_generator->FinalizeMd5(&digest);
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std::cout << "MD5 message digest: ";
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for (int i = 0; i < 16; i++) {
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std::cout << std::setfill('0') << std::setw(2) << std::hex << static_cast<int>(digest[i]);
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}
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std::cout << std::endl;
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if (b_md5_check) {
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std::string ref_md5_string(33, 0);
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uint8_t ref_md5[16];
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ref_md5_file.open(md5_file_path.c_str(), std::ios::in);
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if ((ref_md5_file.rdstate() & std::ifstream::failbit) != 0) {
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std::cerr << "Failed to open MD5 file." << std::endl;
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return 1;
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}
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ref_md5_file.getline(ref_md5_string.data(), ref_md5_string.length());
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if ((ref_md5_file.rdstate() & std::ifstream::badbit) != 0) {
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std::cerr << "Failed to read MD5 digest string." << std::endl;
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return 1;
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}
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for (int i = 0; i < 16; i++) {
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std::string part = ref_md5_string.substr(i * 2, 2);
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ref_md5[i] = std::stoi(part, nullptr, 16);
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}
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if (memcmp(digest, ref_md5, 16) == 0) {
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std::cout << "MD5 digest matches the reference MD5 digest: ";
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} else {
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std::cout << "MD5 digest does not match the reference MD5 digest: ";
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}
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std::cout << ref_md5_string << std::endl;
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ref_md5_file.close();
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}
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delete md5_generator;
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}
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} catch (const std::exception &ex) {
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std::cout << ex.what() << std::endl;
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exit(1);
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}
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return 0;
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}
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