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Improvement of how we determine the initial timestamp.

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Frédéric Tronel
2025-10-23 11:12:20 +02:00
parent 1e6167a1ae
commit 4f9c3ea08b
1 changed files with 2 additions and 1 deletions
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panasonic.py
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@@ -154,8 +154,9 @@ def getInitialTSFromBuffer(content, delta=0.1):
logger = logging.getLogger(__name__) logger = logging.getLogger(__name__)
logger.debug('Determining initial timestamp from content') logger.debug('Determining initial timestamp from content')
length = len(content)
with Popen(['ffprobe','/dev/stdin','-loglevel', 'quiet', '-read_intervals', ('0%%+%f' % delta), '-show_entries', 'frame=frame_no,best_effort_timestamp_time', '-of','json'], stdout=PIPE, stdin=PIPE) as ffprobe: with Popen(['ffprobe','/dev/stdin','-loglevel', 'quiet', '-read_intervals', ('0%%+%f' % delta), '-show_entries', 'frame=frame_no,best_effort_timestamp_time', '-of','json'], stdout=PIPE, stdin=PIPE) as ffprobe:
out, _ = ffprobe.communicate(input=content) out, _ = ffprobe.communicate(input=content[0:min(length,200000)])
frames = json.load(BytesIO(out)) frames = json.load(BytesIO(out))
logger.debug('Frames: %s' % frames) logger.debug('Frames: %s' % frames)
if 'frames' in frames: if 'frames' in frames: