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Adding FFmpegWriter into openshot-example executable to test with valgrind heapgrind.

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This commit is contained in:
Jonathan Thomas
2025-06-05 19:38:53 -05:00
parent 5e4bc364cb
commit a4b2af4eb8
1 changed files with 20 additions and 2 deletions
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22
examples/Example.cpp
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@@ -15,6 +15,7 @@
#include <memory>
#include "Frame.h"
#include "FFmpegReader.h"
#include "FFmpegWriter.h"
using namespace openshot;
@@ -27,6 +28,22 @@ int main(int argc, char* argv[]) {
const long int total_frames = r.info.video_length;
// Reader
std::stringstream writer_path;
writer_path << TEST_MEDIA_PATH << "sintel_trailer-720p.mp4";
/* WRITER ---------------- */
FFmpegWriter w("/home/jonathan/Downloads/performance-test.mp4");
// Set options
w.SetAudioOptions("aac", 48000, 192000);
w.SetVideoOptions("libx264", 1280, 720, Fraction(30,1), 5000000);
// Open writer
w.Open();
// --- Measure forward pass ---
auto t0 = std::chrono::high_resolution_clock::now();
for (long int frame = 1; frame <= total_frames; frame++) {
@@ -34,7 +51,7 @@ int main(int argc, char* argv[]) {
std::cout << "Forward: Requesting Frame #: " << frame
<< " (" << percent << "%)\n";
std::shared_ptr<Frame> f = r.GetFrame(frame);
// (optional) preview or process f here
w.WriteFrame(f);
}
auto t1 = std::chrono::high_resolution_clock::now();
auto forward_ms = std::chrono::duration_cast<std::chrono::milliseconds>(t1 - t0).count();
@@ -46,7 +63,7 @@ int main(int argc, char* argv[]) {
std::cout << "Backward: Requesting Frame #: " << frame
<< " (" << percent << "%)\n";
std::shared_ptr<Frame> f = r.GetFrame(frame);
// (optional) preview or process f here
w.WriteFrame(f);
}
auto t3 = std::chrono::high_resolution_clock::now();
auto backward_ms = std::chrono::duration_cast<std::chrono::milliseconds>(t3 - t2).count();
@@ -55,5 +72,6 @@ int main(int argc, char* argv[]) {
std::cout << "Backward pass elapsed: " << backward_ms << " ms\n";
r.Close();
w.Close();
return 0;
}