![]() ![]() Here is the export after analysis with TSReader of the interrested part: Stream Type: 0x06 Dolby AC3 Audio PID 5301 (0x14b5)ĪC3: Dolby Surround Mode Not Dolby SurroundĪC3: LFE Mode Off Dialogue normalization -23 dBįlags: AC3 Type: False BSID: False Main ID: False ASVC: FalseĪnd the second file from french DTT, channel TF1 HD with DVBSUB subtitles: Language: eng Type: Initial Teletext page Magazine: 0x00 Page: 0x88 Language: eng Type: Teletext subtitle page Magazine: 0x00 Page: 0x88 ![]() Stream Type: 0x06 Teletext/VBI PID 5303 (0x14b7) Stream Type: 0x1b H.264 Video PID 5300 (0x14b4)ĭescriptor: Private Data Indicator Descriptorĭescriptor: User Private Descriptor: 0xfe I made an analysis and export with TS Reader:ĭescriptor: Multiplex Buffer Utilization Descriptor If it can help, I have 2 examples of such files I got with subtitles, one from ASTRA 2 satellite (BBC4 HD channel with teletext subtitles): The only operation I need to do is cut a part or more parts of the original TS file, then save the result by copying video/audio/subtitles in a new TS file. I am not an expert in demux/remux but once the file part (adds for example) is cut, putting back the subtitles should be same operation than copying the audio and remuxing it with video. No analysis of subtitles is necessary because they are only copied back in the TS file after cut is done. When openning a TS file, extracting the subtitles operation is to associate the PID packets to a timestamp, using the PTS/DTS or the PCR, like for audio I guess. need to extra them in a format agnostic way and resynthetize them later)Actually why is the audio treatment different than the subtitle treatment ? They are analyzed, extracted & reconstructed in the target fileĪdding subtitles is not easy (i.e. Sorry to come back on this topic but I can't understand the following. ![]()
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