[FFmpeg-trac] #1482(undetermined:new): FFMPEG fails to create a SRT file when extracting Subtitles
FFmpeg
trac at avcodec.org
Mon Aug 27 21:26:37 CEST 2012
#1482: FFMPEG fails to create a SRT file when extracting Subtitles
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Reporter: ramitbhalla | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: git-master | undetermined
Keywords: cc | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
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Comment (by reimar):
So it looks like:
1) the 2-byte packets are the EIA-608 compatibility packets
2) the longer packets always start with a packet that has been a
DTVCC_PACKET_START and then continues with all that have been
DTVCC_PACKET_DATA after that
In both cases, the data is unchanged compared to what is in the MPEG file
except that any and all header and filler and control data (like
packet_start vs. packet_data markers) has been removed
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1482#comment:25>
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