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Added in metadata encoding capabilities (writer.info.metadata["title"] = "My Title"). Only certain tag names are accepted (see FFmpeg for more on which tags are supported by which codecs).

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Jonathan Thomas
2018-03-04 03:10:59 -06:00
parent 92eefbe934
commit 26e96e009b
3 changed files with 52 additions and 22 deletions
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54
src/examples/Example.cpp
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@@ -36,34 +36,44 @@ using namespace openshot;
int main(int argc, char* argv[]) {
// Create and open reader
FFmpegReader r("/home/jonathan/sintel-120fps-crash.mp4");
r.Open();
FFmpegReader r9("/home/jonathan/Videos/sintel_trailer-720p.mp4");
r9.Open();
r9.DisplayInfo();
// Enable debug logging
ZmqLogger::Instance()->Enable(false);
ZmqLogger::Instance()->Path("/home/jonathan/.openshot_qt/libopenshot2.log");
CrashHandler::Instance();
/* WRITER ---------------- */
FFmpegWriter w9("/home/jonathan/metadata.mp4");
// Loop a few times
for (int attempt = 1; attempt < 10; attempt++) {
cout << "** Attempt " << attempt << " **" << endl;
// Set options
w9.SetAudioOptions(true, "libmp3lame", r9.info.sample_rate, r9.info.channels, r9.info.channel_layout, 128000);
w9.SetVideoOptions(true, "libx264", r9.info.fps, 1024, 576, Fraction(1,1), false, false, 3000000);
// Read every frame in reader as fast as possible
for (int64_t frame_number = 1; frame_number < r.info.video_length; frame_number++) {
// Get frame object
std::shared_ptr<Frame> f = r.GetFrame(frame_number);
w9.info.metadata["title"] = "testtest";
w9.info.metadata["artist"] = "aaa";
w9.info.metadata["album"] = "bbb";
w9.info.metadata["year"] = "2015";
w9.info.metadata["description"] = "ddd";
w9.info.metadata["comment"] = "eee";
w9.info.metadata["comment"] = "comment";
w9.info.metadata["copyright"] = "copyright OpenShot!";
// Print frame numbers
cout << frame_number << " [" << f->number << "], " << flush;
if (frame_number % 10 == 0)
cout << endl;
}
// Open writer
w9.Open();
for (long int frame = 1; frame <= 100; frame++)
{
//int frame_number = (rand() % 750) + 1;
int frame_number = frame;
std::shared_ptr<Frame> f = r9.GetFrame(frame_number);
w9.WriteFrame(f);
}
cout << "Completed successfully!" << endl;
// Close reader
r.Close();
// Close writer & reader
w9.Close();
// Close timeline
r9.Close();
cout << "Completed successfully!" << endl;
return 0;
}