Hi.
I have a m2v video stream and I could see it has a text section inside it, as shown below:
Using GomPlayer or MPC-HC the subtitle stream doesn't appear.Code:General Complete name : D:\Work\VideoFile.m2v Format : MPEG Video Format version : Version 2 File size : 3.78 GiB Duration : 1h 37mn Overall bit rate : 5 544 Kbps Video Format : MPEG Video Format version : Version 2 Format profile : Main@Main Format settings, BVOP : Yes Format settings, Matrix : Default Format settings, GOP : M=3, N=12 Duration : 1h 37mn Bit rate mode : Variable Bit rate : 5 316 Kbps Nominal bit rate : 7 500 Kbps Width : 720 pixels Height : 480 pixels Display aspect ratio : 16:9 Frame rate : 23.976 fps Standard : NTSC Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 8 bits Scan type : Progressive Scan order : 2:3 Pulldown Bits/(Pixel*Frame) : 0.642 Stream size : 3.63 GiB (96%) Text ID : DVD-2 Format : EIA-608 Muxing mode : DVD-Video Stream size : 0.00 Byte (0%)
So, how I can view or extract that text? Any idea?
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Thank you.
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Don't know about M2V files but for Vob files I use CCExtractorGUI.
Seem like it should also work with M2Vs as well.
Tony -
Are you sure there is a text stream? Size is reported to be 0.00 bytes
Where is this from ? -
Yes, poisondeathray, now I can see that. At first look, reading fast, I thought it was 0%. And because text fills too fewer room than video, it'd be Ok. But you're right. It's 0 bytes
Now I'm trying to install dotNet 3.5 because I want to test the suggestion from cal_tony, CCExtractor (thx, cal_tony).
But my dotNet standalone installer is claiming the lack of dotNet 2.0 !!! And can't install before I install 2.0!
Why this things are that way??? Who was the genius who invented these things like dotNet self-dependant?
dotNet 4.0 would supply all previous versions, but NOT!
And I gain the "bonus" having to restart machine at every install. (WinXP-SP3)
And small programs like this, or rmtpexplorer, or other tiny ones, requires huge dotNets flavours to run...
Hard to swallow.
Sorry for bad mood...Last edited by jairovital; 13th Apr 2012 at 12:13.
Thank you. -
I think text streams are held within the container (e.g. when it's in VOB, or transport stream for broadcast streams), so when you demux to .m2v it's gone. That's why it reads as zero
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poisondeathray, I was agreeing with you and losing hopes to see any CC or subtitle inside that m2v file, but...
...but cal_tony is the winner tonight! And hurray for CCExtractor. It could findd that text, inside an elementary stream, like m2v. MediaInfo had already gave the tip: text stream inside.
Here is the log:
Code:CCExtractor 0.61, Carlos Fernandez Sanz, Volker Quetschke. -------------------------------------------------------------------------- Input: D:\Work\VideoFile.m2v [Raw Mode: Broadcast] [Extract: 1] [Stream mode: Autodetect] [Program : Auto ] [Hauppage mode: No] [Use MythTV code: Auto] [Timing mode: default] [Debug: No] [Buffer input: Yes] [Use pic_order_cnt_lsb for H.264: No] [Print CC decoder traces: No] [Target format: .srt] [Encoding: Latin-1] [Delay: 0] [Trim lines: No] [Add font color data: Yes] [Add font typesetting: Yes] [Convert case: No] [Video-edit join: No] [Extraction start time: not set (from start)] [Extraction end time: not set (to end)] [Live stream: No] [Clock frequency: 90000] Start credits text: [None] Creating D:\Work\VideoFile.srt ----------------------------------------------------------------- Opening file: D:\Work\VideoFile.m2v File seems to be an elementary stream, enabling ES mode Analyzing data in general mode New video information found [720 * 480] [AR: 03 - 16:9] [FR: 04 - 29.97] [progressive: no] Number of NAL_type_7: 0 Number of VCL_HRD: 0 Number of NAL HRD: 0 Number of jump-in-frames: 0 Number of num_unexpected_sei_length: 0 Total frames time: 01:37:44:792 (175768 frames at 29.97fps) incl. pulldown frames: 00:19:32:905 (35152 frames at 29.97fps) Min PTS: 01:00:04:000 Max PTS: 02:37:42:934 Length: 01:37:38:934 Initial GOP time: 01:00:04:000 Final GOP time: 02:37:42:734 +6F Diff. GOP length: 01:37:38:734 +6F (01:37:38:934) Total user data fields: 11729 DVD-type user data fields: 11729 Done, processing time = 79 seconds Performance (real length/process time) = 74.18 This is beta software. Report issues to cfsmp3 at gmail...
One more tool to my toolbox.Thank you. -
EIA-608 closed captions are stored in the MPEG-2 GOP user data. In my experience, de-multiplexing by itself does not remove them. I have had to demultiplex many files containing my recorded TV shows to use freeware editors and authoring programs, and could always extract the closed captions afterwards. Re-encoding the video will remove them, and Restream can be used to strip them, if for some reason they have to be eliminated.
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For those who want to see by himself, here one piece of the m2v and its cc attached.
Thank you. -
More good information. It had been a mystery for me where subtitles and Ccaptions are hiding inside vobs, m2v and so on. I know they are images, pictures, but seems they merge itself inside the video stream, carrying timecodes with them. And demux operations keep them intact.
Very good structure when it was been planned.Thank you. -
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Thank you.
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Yes. It explains the fact that CCExtractor could get the cc without OCR. It extracted as text, very fast.
For subtitles, inside vobs, is needed SubRip and OCR tasks to extract them. It makes sense.Thank you. -
This PotPlayer is very good! And the best news is that it is the same of GomPlayer, but better. It has the very same hotkeys and better codec/filters management. Beside the fact it can see the Closed Captions living inside elementary videos.
Great discover!
I think GomPlayer will have a short life here...Thank you.
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