progress.setValue(frames_written);
}
-void export_interpolated_clip(const string &filename, const Clip &clip)
+void export_interpolated_clip(const string &filename, const vector<Clip> &clips)
{
AVFormatContext *avctx = nullptr;
avformat_alloc_output_context2(&avctx, NULL, NULL, filename.c_str());
progress.setMaximum(100000);
progress.setValue(0);
+ double total_length = compute_time_left(clips, {{0, 0.0}});
+
promise<void> done_promise;
future<void> done = done_promise.get_future();
std::atomic<double> current_value{0.0};
+ size_t clip_idx = 0;
Player player(/*destination=*/nullptr, Player::FILE_STREAM_OUTPUT, closer.release());
- player.set_done_callback([&done_promise] {
- done_promise.set_value();
+ player.set_done_callback([&done_promise, &clip_idx, &clips] {
+ if (clip_idx >= clips.size()) {
+ done_promise.set_value();
+ }
+ });
+ player.set_next_clip_callback([&clip_idx, &clips]() -> pair<Clip, int> {
+ if (++clip_idx >= clips.size()) {
+ return make_pair(Clip(), -1);
+ } else {
+ return make_pair(clips[clip_idx], clip_idx);
+ }
});
- player.set_progress_callback([¤t_value] (const std::map<size_t, double> &player_progress) {
- assert(player_progress.size() == 1);
- current_value = player_progress.begin()->second;
+ player.set_progress_callback([¤t_value, &clips, total_length] (const std::map<size_t, double> &player_progress) {
+ current_value = 1.0 - compute_time_left(clips, player_progress) / total_length;
});
- player.play_clip(clip, /*clip_idx=*/0, clip.stream_idx);
+ player.play_clip(clips[0], clip_idx, clips[0].stream_idx);
while (done.wait_for(std::chrono::milliseconds(100)) != future_status::ready && !progress.wasCanceled()) {
progress.setValue(lrint(100000.0 * current_value));
}