"The file's container says it's 30 seconds long," Jamie explained, "but the video stream has broken reference frames. FFmpeg is telling me exactly where the corruption starts."
"Meet FFmpeg," he said.
He tried a copy of the video stream without re-encoding, to preserve the original quality for evidence: the bay s03e05 ffmpeg
ffmpeg -v error -i car_park_footage.avi -f null - The output scrolled past. "Non-monotonous DTS in output stream" and "corrupted macroblock at MB 42 17" .
"Bad data." Jamie clicked through frames. "See how it jumps? The timestamps are there, but the decoder loses sync. I can't get a clean extraction of the back seat." "The file's container says it's 30 seconds long,"
"So what do we have?"
Lisa smiled. "Get that frame into evidence. And Jamie?" The timestamps are there, but the decoder loses sync
Lisa leaned closer. On the night of the murder, Heston had supposedly been alone. But a witness mentioned a third person — a woman in a dark hoodie — getting into the back of his car outside The Royal pub an hour earlier. If that was true, the car park footage might show her leaving the vehicle just before Heston was stabbed.