Function _build_segment_concat

IntelOSINT.py:20569–20628

(action_name, source_path, segments)

                }

        def _build_segment_concat(action_name, source_path, segments):
            if not segments:
                raise ValueError("Nessun segmento valido per la concatenazione")
            ffmpeg_bin_local = _resolve_ffmpeg_bin()
            if not ffmpeg_bin_local:
                raise RuntimeError("ffmpeg non disponibile")
            seg_files = []
            for idx, (s, e) in enumerate(segments):
                seg_path = media_dir / f"{job_id}_{action_name}_seg_{idx:02d}.mp4"
                proc_seg = _run_ffmpeg([
                    ffmpeg_bin_local,
                    "-y",
                    "-ss", f"{s}",
                    "-to", f"{e}",
                    "-i", str(source_path),
                    "-c:v", "libx264",
                    "-preset", "veryfast",
                    "-crf", "20",
                    "-c:a", "aac",
                    "-b:a", "160k",
                    str(seg_path)
                ], timeout=240)
                if proc_seg.returncode != 0 or not seg_path.exists():
                    raise RuntimeError(f"Segmento {idx+1} fallito ({s}-{e})")
                seg_files.append(seg_path)

            list_path = media_dir / f"{job_id}_{action_name}_concat_list.txt"
            with open(list_path, "w", encoding="utf-8") as fh:
                for seg in seg_files:
                    escaped_seg = str(seg).replace("'", "'\\''")
                    fh.write(f"file '{escaped_seg}'\n")
            out_path = media_dir / f"{job_id}_{action_name}_concat.mp4"
            proc = _run_ffmpeg([
                ffmpeg_bin_local,
                "-y",
                "-f", "concat",
                "-safe", "0",
                "-i", str(list_path),
                "-c:v", "copy",
                "-c:a", "aac",
                str(out_path)
            ], timeout=360)
            if proc.returncode != 0 or not out_path.exists():
                proc2 = _run_ffmpeg([
                    ffmpeg_bin_local,
                    "-y",
                    "-f", "concat",
                    "-safe", "0",
                    "-i", str(list_path),
                    "-c:v", "libx264",
                    "-preset", "veryfast",
                    "-crf", "20",
                    "-c:a", "aac",
                    "-b:a", "160k",
                    str(out_path)
                ], timeout=360)
                if proc2.returncode != 0 or not out_path.exists():
                    raise RuntimeError("Concat fallita")