Re: [FFmpeg-user] Any way to detect loss of rtsp stream in ffplay?
Zoltan - the only problem with this, that I just realized is this: As I mentioned before, the cameras intermittently lose connection. Supposing that I send the ffmpeg test command while the camera connection is good, and then the camera stream input to ffplay drops. Ffplay will continue displaying the last frame it received. Now, if the camera connection is restored a minute or two later, and I send the ffmpeg command again - I would never know that ffplay has "stopped working". I may not ever know, unless I specifically test the camera when the connection has dropped and it is currently down. My results would most likely be hit-or-miss. -- Sent from: http://www.ffmpeg-archive.org/ ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Any way to detect loss of rtsp stream in ffplay?
Zoltan: Ok, I tested this and you are correct - it works. Thank you, very much. I unplugged the camera and ran the ffmpeg command, you suggested and I promptly received a: "Connection to tcp://192.168.0.2 failed: Connection refused http://192.168.0.2: Connection refused" I can work with this. Scripting a loop of ffmpeg tests for each one of the cameras, every 5 minutes should suffice. I'll admit, however - it feels like a bit of overkill to accomplish such a (seemingly) simple task. Like I'm using a forklift to move a kleenex tissue. How does one go about submitting a feature request for ffplay - to include a loss of input stream detection? -- Sent from: http://www.ffmpeg-archive.org/ ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
[FFmpeg-user] Non-English (Chinese) file and filepath names in FFmpeg Command Line
Any way to do this in C#? I have resorted to temporarily renaming those file names/filepaths to English and then renaming back to the original language once rendering is completed. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Meaning of ffprobe output
On 1/30/2019 12:23 PM, Carl Eugen Hoyos wrote: this is not about the "signal" that is of course interlaced for analog PAL but the content that may of may not be interlaced (and the idet filter only looks at the content and nothing in FFmpeg is able to look at an analog video signal). Agreed. I mention it simply because AFAIK DVD recorders converting from analog will almost always produce interlaced files. However, more important is that the entire process of converting analog tapes to digital is full of pits and perils, and the conversion artifacts will play hob with any processing (like de-interlacing). The best route, of course, is to capture into a lossless format and process from there. May not help the OP. Later, z! who has some U-Matic tapes to ingest sometime Really Soon Now ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] volume detect
On 1/30/2019 4:08 PM, Carl Eugen Hoyos wrote: well, if there is no backwards compatibility, the documentation referring to obsolete options should also disappear. Didn't it? Having just checked, ffm is not listed in the formats page (https://ffmpeg.org/ffmpeg-formats.html). OTOH, the ffserver doc page itself doesn't say that the program has been removed (https://www.ffmpeg.org/ffserver.html), nor does the main doc page (https://www.ffmpeg.org/documentation.html). ffm also appears in the ffserver sample config page, which google finds quite easily. The removal is mentioned part way down the main page under April 20, 2018 and on the wiki page (https://trac.ffmpeg.org/wiki/ffserver). This might be considered an incomplete job of removing ffserver as searches will still find it and it's options. Adding a few more "no longer available" messages to the various doc pages should take care of that. (I'd offer to add them, but have no idea how or where.) Later, z! ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] volume detect
2019-01-31 1:03 GMT+01:00, juan carlos : > > > El 30/01/19 a las 21:24, Carl Eugen Hoyos escribió: >> 2019-01-30 22:11 GMT+01:00, juan carlos : >>> >>> El 30/01/19 a las 20:51, Carl Eugen Hoyos escribió: 2019-01-30 21:39 GMT+01:00, juan carlos : > hello moritz, sorry for taking a long time to answer, I have not had > time to do it, I write to comment that the command you mention does not > work, says -filter: v "volumedetect" invalid argument, this command is > not the only one that has stopped work since version 4.0 has been > released, the worst is that the documentation does not indicate it as > obsolete. for example, if I wanted to transmit using ffmpeg 4.1 to a > server ffserver 3, it could not be done either, since it would indicate > to me an invalid argument, for example, if I wanted to broadcast a > pre-recorded source: > > ffmpeg -imput.mp4 http://ip:8090/feed1.ffm say invalid argument The ffm format does not exist anymore because ffserver was removed (the format was only relevant for ffserver). This is not related to the volumedetect filter. >>> Yes, I know that ffserver disappeared, but backward compatibility >>> should follow, right? >> Unfortunately not. > well, if there is no backwards compatibility, the documentation > referring to obsolete options should also disappear. Didn't it? Please cut the mailing list footer when replying, Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] volume detect
El 30/01/19 a las 21:24, Carl Eugen Hoyos escribió: 2019-01-30 22:11 GMT+01:00, juan carlos : El 30/01/19 a las 20:51, Carl Eugen Hoyos escribió: 2019-01-30 21:39 GMT+01:00, juan carlos : hello moritz, sorry for taking a long time to answer, I have not had time to do it, I write to comment that the command you mention does not work, says -filter: v "volumedetect" invalid argument, this command is not the only one that has stopped work since version 4.0 has been released, the worst is that the documentation does not indicate it as obsolete. for example, if I wanted to transmit using ffmpeg 4.1 to a server ffserver 3, it could not be done either, since it would indicate to me an invalid argument, for example, if I wanted to broadcast a pre-recorded source: ffmpeg -imput.mp4 http://ip:8090/feed1.ffm say invalid argument The ffm format does not exist anymore because ffserver was removed (the format was only relevant for ffserver). This is not related to the volumedetect filter. Yes, I know that ffserver disappeared, but backward compatibility should follow, right? Unfortunately not. Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". well, if there is no backwards compatibility, the documentation referring to obsolete options should also disappear. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
[FFmpeg-user] Correct way to use FFmpeg filters in a real time context
Hi all,
I'm trying to embed some ffmpeg filters, such as loudnorm and silenceremove in
a real time context: meaning I have an audio speaker connected at the end of it.
I saw that loudnorm supports single pass mode; where it doesn't require me to
pass all the audio in the file through it, before it can start normalizing to a
given LUFS value.
I also saw silenceremove is also similar.
However, what I can't seem to figure out is that if I just plug in those
filters into my filter chain during playback, I hear a bunch of silence, audio
artifacts and random noise, rather than my audio.
I'm thinking this might be an issue due to how I'm inputting data into those
filters perhaps?
Here's the code I use to push data into my filter chain. This is code in the
Swift language on iOS. Would someone be able to help look over this code and
give me any pointers on what I'm doing wrong?
Thanks,
Ronak
private func filterBuffer(_ inputBufferList:
UnsafeMutableAudioBufferListPointer, frameCount: UInt32, outputBufferList:
UnsafeMutableAudioBufferListPointer) throws -> UInt32 {
guard let inputAudioFrame = inputAudioFrame, let outputAudioFrame =
outputAudioFrame else { throw PlayerError.filterFailure([:]) }
// copy the pointers to the audio buffer into the frame for manipulation
// each buffer represents the audio per channel. copy data from the
inputBuffer into the input frame.
for index in 0..= 0 {
// copy the pointers to the filtered audio into the output buffers
for index in 0...allocate(capacity: 64)
av_make_error_string(rawErrorString, 64, pullResult)
ARCLogError("Failed to read audio out of the filter due to error code:
\(pullResult): \(String(cString: rawErrorString))")
// the audio couldn't be filtered properly, throw an error
throw PlayerError.filterFailure([:])
}
} else {
let rawErrorString = UnsafeMutablePointer.allocate(capacity: 64)
av_make_error_string(rawErrorString, 64, writeResult)
ARCLogError("Failed to write audio into the filter due to error code:
\(writeResult): \(String(cString: rawErrorString))")
// the audio couldn't be filtered properly, throw an error
throw PlayerError.filterFailure([:])
}
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Re: [FFmpeg-user] Meaning of ffprobe output
2019-01-31 0:20 GMT+01:00, Lou Logan : > On Mon, Jan 28, 2019, at 6:58 PM, Carl Eugen Hoyos wrote: >> >> (So apparently the next sentence is wrong and Lou >> does offer release support - but unfortunately only >> to you because he closed ticket #7697 this week >> explaining there is no release support...) > > I don't quite follow your paragraph, but I never > said "I offer release support". I know but that's how Ulf interpreted your message: https://trac.ffmpeg.org/ticket/7623#comment:5 (Sorry: When I answered I didn't bother to check, I simply trusted his interpretation.) Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Meaning of ffprobe output
2019-01-31 0:18 GMT+01:00, Carl Eugen Hoyos : > 2019-01-30 23:55 GMT+01:00, Ulf Zibis : > >> here you find the rip from dvd::rip and the result from ffmpeg: >> https://c.1und1.de/@519472591769967166/-XGssZrBRCiT0J4xQUU1LA > > This masterpiece (make sure you don't miss the imdb comment) > was most likely made with a film camera that knew nothing about > interlacing. > The artefacts you see are afaict the result of the VHS drums not more likely: "VHS heads" > being able to keep 100% synchronization, filters that increase the > quality likely exist but this is definitely not my area. > I guess you should search for a specific AviSynth filter. > > Please avoid top-posting here, Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Meaning of ffprobe output
On Mon, Jan 28, 2019, at 6:58 PM, Carl Eugen Hoyos wrote: > > (So apparently the next sentence is wrong and Lou > does offer release support - but unfortunately only > to you because he closed ticket #7697 this week > explaining there is no release support...) I don't quite follow your paragraph, but I never said "I offer release support". ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Meaning of ffprobe output
2019-01-30 23:55 GMT+01:00, Ulf Zibis : > here you find the rip from dvd::rip and the result from ffmpeg: > https://c.1und1.de/@519472591769967166/-XGssZrBRCiT0J4xQUU1LA This masterpiece (make sure you don't miss the imdb comment) was most likely made with a film camera that knew nothing about interlacing. The artefacts you see are afaict the result of the VHS drums not being able to keep 100% synchronization, filters that increase the quality likely exist but this is definitely not my area. I guess you should search for a specific AviSynth filter. Please avoid top-posting here, Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Meaning of ffprobe output
Hi, here you find the rip from dvd::rip and the result from ffmpeg: https://c.1und1.de/@519472591769967166/-XGssZrBRCiT0J4xQUU1LA I'm curious, what you find out, Ulf Am 29.01.19 um 21:47 schrieb Carl Eugen Hoyos: > 2019-01-29 20:50 GMT+01:00, Ulf Zibis : >> If you want I could upload a 6 min. chunk with 300 MB. > Just post a link, there are issues with 10G samples > (that could not easily be made smaller). > > Carl Eugen > ___ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] What exactly is an "amplitude ratio"?
2019-01-28 17:30 GMT+01:00, Josh McNeill : > I'm using the silencedetect filter for a project, and I've been using an > amplitude ratio for the threshold (i.e., n=), but I'm not sure what this > actually refers to. My guess is that it's a percentage of the peak > amplitude in the file (e.g., 0.01 is 1% of the highest amplitude) Not the peak amplitude in the file but the maximum possible amplitude afaict. Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] volume detect
2019-01-30 22:11 GMT+01:00, juan carlos : > > > El 30/01/19 a las 20:51, Carl Eugen Hoyos escribió: >> 2019-01-30 21:39 GMT+01:00, juan carlos : >>> hello moritz, sorry for taking a long time to answer, I have not had >>> time to do it, I write to comment that the command you mention does not >>> work, says -filter: v "volumedetect" invalid argument, this command is >>> not the only one that has stopped work since version 4.0 has been >>> released, the worst is that the documentation does not indicate it as >>> obsolete. for example, if I wanted to transmit using ffmpeg 4.1 to a >>> server ffserver 3, it could not be done either, since it would indicate >>> to me an invalid argument, for example, if I wanted to broadcast a >>> pre-recorded source: >>> >>> ffmpeg -imput.mp4 http://ip:8090/feed1.ffm say invalid argument >> The ffm format does not exist anymore because ffserver was >> removed (the format was only relevant for ffserver). >> This is not related to the volumedetect filter. > Yes, I know that ffserver disappeared, but backward compatibility > should follow, right? Unfortunately not. Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] volume detect
El 30/01/19 a las 20:51, Carl Eugen Hoyos escribió: 2019-01-30 21:39 GMT+01:00, juan carlos : hello moritz, sorry for taking a long time to answer, I have not had time to do it, I write to comment that the command you mention does not work, says -filter: v "volumedetect" invalid argument, this command is not the only one that has stopped work since version 4.0 has been released, the worst is that the documentation does not indicate it as obsolete. for example, if I wanted to transmit using ffmpeg 4.1 to a server ffserver 3, it could not be done either, since it would indicate to me an invalid argument, for example, if I wanted to broadcast a pre-recorded source: ffmpeg -imput.mp4 http://ip:8090/feed1.ffm say invalid argument The ffm format does not exist anymore because ffserver was removed (the format was only relevant for ffserver). This is not related to the volumedetect filter. Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". Yes, I know that ffserver disappeared, but backward compatibility should follow, right? ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] volume detect
2019-01-30 21:39 GMT+01:00, juan carlos : > hello moritz, sorry for taking a long time to answer, I have not had > time to do it, I write to comment that the command you mention does not > work, says -filter: v "volumedetect" invalid argument, this command is > not the only one that has stopped work since version 4.0 has been > released, the worst is that the documentation does not indicate it as > obsolete. for example, if I wanted to transmit using ffmpeg 4.1 to a > server ffserver 3, it could not be done either, since it would indicate > to me an invalid argument, for example, if I wanted to broadcast a > pre-recorded source: > > ffmpeg -imput.mp4 http://ip:8090/feed1.ffm say invalid argument The ffm format does not exist anymore because ffserver was removed (the format was only relevant for ffserver). This is not related to the volumedetect filter. Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
[FFmpeg-user] volume detect
hello moritz, sorry for taking a long time to answer, I have not had time to do it, I write to comment that the command you mention does not work, says -filter: v "volumedetect" invalid argument, this command is not the only one that has stopped work since version 4.0 has been released, the worst is that the documentation does not indicate it as obsolete. for example, if I wanted to transmit using ffmpeg 4.1 to a server ffserver 3, it could not be done either, since it would indicate to me an invalid argument, for example, if I wanted to broadcast a pre-recorded source: ffmpeg -imput.mp4 http://ip:8090/feed1.ffm say invalid argument but the documentation keeps saying that this can be done in that way, although it is not true since version 4 of ffmpeg, I have already found 4 things that do not work as they should in version 4 ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Meaning of ffprobe output
2019-01-30 18:27 GMT+01:00, Carl Zwanzig : > On 1/30/2019 6:12 AM, Carl Eugen Hoyos wrote: >> You may have forgotten that while the vertical resolution is kept, >> horizontal resolution is reduced significantly for VHS, likely >> confusing the algorithm for detection of interlaced content. > > Exactly, VHS only has bandwidth of ~3MHz, so a horizontal > resolution of ~240 TV lines (not pixels). There can also be > a -lot- of variable horizontal smearing (plus other artifacts). > AFAIK all VHS players produce an interlaced signal Of course (and what you write is correct to the best of my knowledge) but please note that - at least as far as I am concerned - this is not about the "signal" that is of course interlaced for analog PAL but the content that may of may not be interlaced (and the idet filter only looks at the content and nothing in FFmpeg is able to look at an analog video signal). Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Any way to detect loss of rtsp stream in ffplay?
I did this and it works: ffmpeg -i rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mov -y -f image2 -qscale 0 -frames 1 test.jpg On Wed, 30 Jan 2019 at 19:34, discarn8 wrote: > Thanks, Zoltan. I had not thought of that. I'll test it tonight and report > back. Thanks very much. > > > > -- > Sent from: http://www.ffmpeg-archive.org/ > ___ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Any way to detect loss of rtsp stream in ffplay?
Thanks, Zoltan. I had not thought of that. I'll test it tonight and report back. Thanks very much. -- Sent from: http://www.ffmpeg-archive.org/ ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
[FFmpeg-user] Any way to detect loss of rtsp stream in ffplay?
I'm using multiple instances of ffplay, on a linux distro, to play multiple rtsp streams from multiple security cameras. However, due to the crowded wifi environment I'm in and the 2.4ghz limitations of the cameras, I occasionally drop / lose connection to one or more cameras, and thus lose the rtsp stream. Other than watching for motion or staring at the time display in the stream, to see if it's still "ticking", I have no way to know if the stream is active or not. Barring switching to a UDP rtsp stream (which provides for horrible video quality), is there a known, existing error message or process flag that I can filter on, to be made aware of the stream loss? I've seemingly tried every warning level, but I don't see a message alerting me to the stream drop. ffplay just keeps on ticking. Currently, I am stuck with scripting a shutdown and restart of ffplay every 1/2 hour, for the most common "offenders", but I'm thinking that someone else must have crossed this bridge before, and resolved the issue. Anyone? -- Sent from: http://www.ffmpeg-archive.org/ ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Meaning of ffprobe output
On 1/30/2019 6:12 AM, Carl Eugen Hoyos wrote: You may have forgotten that while the vertical resolution is kept, horizontal resolution is reduced significantly for VHS, likely confusing the algorithm for detection of interlaced content. Exactly, VHS only has bandwidth of ~3MHz, so a horizontal resolution of ~240 TV lines (not pixels). There can also be a -lot- of variable horizontal smearing (plus other artifacts). AFAIK all VHS players produce an interlaced signal, composite and optionally S-video; the concept of "progressive scan" does not apply to an analog video signal. There are many pages about capturing analog recordings- going from one lossy format (analog VHS) to another (DVD/mpeg) will not generally yield good results. z! ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] 24h timecode max
On Wed, Jan 30, 2019 at 9:37 AM Gyan wrote: > > On 30-01-2019 04:31 AM, Christian Johannesen wrote: > > I saw in timecode.c there is AV_TIMECODE_FLAG_24HOURSMAX, but i'm not > sure > > how I could utilize it. It only seems that the Drawtext filter has an > > option for to limit the value. > > > > Let me know if there is anything I can do to achieve this result. > Not implemented at present. Will send patch soon. > > Gyan > Thank you, I definitely appreciate it! Chris ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] 24h timecode max
I remember this was discussed some while ago - is it intended that this be default behaviour? In my view it should be. P On Wednesday, 30 January 2019, 14:37:49 GMT, Gyan wrote: On 30-01-2019 04:31 AM, Christian Johannesen wrote: > I saw in timecode.c there is AV_TIMECODE_FLAG_24HOURSMAX, but i'm not sure > how I could utilize it. It only seems that the Drawtext filter has an > option for to limit the value. > > Let me know if there is anything I can do to achieve this result. Not implemented at present. Will send patch soon. Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] 24h timecode max
On 30-01-2019 04:31 AM, Christian Johannesen wrote: I saw in timecode.c there is AV_TIMECODE_FLAG_24HOURSMAX, but i'm not sure how I could utilize it. It only seems that the Drawtext filter has an option for to limit the value. Let me know if there is anything I can do to achieve this result. Not implemented at present. Will send patch soon. Gyan ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Meaning of ffprobe output
2019-01-29 20:50 GMT+01:00, Ulf Zibis : > My understanding is, that a VHS cassette player always > provides a fully interlaced analogue stream (50 half-frames > per sec. for PAL). You may have forgotten that while the vertical resolution is kept, horizontal resolution is reduced significantly for VHS, likely confusing the algorithm for detection of interlaced content. Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] Meaning of ffprobe output
2019-01-30 1:26 GMT+01:00, Ulf Zibis :
> In my POV deinterlacing ("classic") is to buffer and optionally somehow
> interpolate the content of the "before half-frame" and add it to the
> current half-frame, so the display content only changes *25 times per
> sec.*. But with the method I outlined, the display content (partly, only
> each 2nd line) would change *50 times per sec.*. The deinterlacing
> then happens in the viewers eye.
Without interpolation, this is what all video players do if you disable
all de-interlacing.
The problem is what kind of "interpolation" you use, this is called
de-interlacing, an endless number of algorithms exist.
Carl Eugen
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Re: [FFmpeg-user] "showwaves has an unconnected output" when sending audio with waveform as video
Sorry Sir, I forgot: https://pastebin.com/vrAj7C3W On Wed, 30 Jan 2019 at 14:33, Moritz Barsnick wrote: > On Wed, Jan 30, 2019 at 11:39:42 +0100, Zoltan Kerenyi Nagy wrote: > > Neither does this work: > > That's not a very good error description. > > I asked this: > > > >> This is why you should always show us the *complete* uncut console > > >> output. You are hiding interesting info otherwise. > > Sorry, can't help you without so little info. Others may feel free to > jump in. > > Moritz > ___ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] ffmpeg ip cam stream with drawtext
On Wed, Jan 30, 2019 at 13:25:26 +0100, frhun wrote: > if -c:v copy then not working drawtext! Of course not! What I asked was "how does this performance change if you omit all the filters" - and you are *not* supposed to use "-c:v copy", so we can see approximately how much of your CPU performance is used by the encoding process, and how much by the filter. > so the drawtext re encoding do high cpu usage, I use the notebook ( > thinkpad i5 3 generations) gpu is no to perfect :) That's not true. The filter *implies* not being able to do "-c:v copy", but it may not be the actual filter using all the compute power, but the CPU-based encoding. And if so, we might be able to help you by recommending other encoding parameters or use of a GPU based encoder. Moritz ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] "showwaves has an unconnected output" when sending audio with waveform as video
On Wed, Jan 30, 2019 at 11:39:42 +0100, Zoltan Kerenyi Nagy wrote: > Neither does this work: That's not a very good error description. I asked this: > >> This is why you should always show us the *complete* uncut console > >> output. You are hiding interesting info otherwise. Sorry, can't help you without so little info. Others may feel free to jump in. Moritz ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] How to re encode broken mp4s
> Sorry for posting without testing the head version, usually I do it! > > actually your crazy stuff was kinda fun to read :-P ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] ffmpeg ip cam stream with drawtext
if -c:v copy then not working drawtext! only -c:v copy using the cpu usage 2-3% , it is working long ago but now need use draw text on the video stream so the drawtext re encoding do high cpu usage, I use the notebook ( thinkpad i5 3 generations) gpu is no to perfect :) Robert 2019. 01. 30. 11:05 keltezéssel, Moritz Barsnick írta: On Wed, Jan 30, 2019 at 07:47:24 +0100, frhun wrote: so I try lot of ffmpeg switch ffmpeg -r 25 -rtsp_transport tcp -i rtsp://admin:1234@192.168.2.25/Streaming/Channels/1 -c:v libx264 -b:v 2M -c:a copy -vf "[in]drawtext=fontfile='C\:\\Windows\\Fonts\\cour.ttf': textfile='Z\:\\k\\v\\T_A\\P.txt': x=180: y=30: reload=1: fontcolor=black: fontsize=50: box=1: boxborderw=5: boxcolor=red@0.8 , drawtext=fontfile='C\:\\Windows\\Fonts\\cour.ttf': textfile='Z\:\\k\\v\\T_A\\F.txt': x=180: y=75: reload=1: fontcolor=black: fontsize=50: box=1: boxborderw=5: boxcolor=white@0.8 , drawtext=fontfile='C\:\\Windows\\Fonts\\cour.ttf': textfile='Z\:\\k\\v\\T_A\\O.txt': x=30: y=30: reload=1: fontcolor=black: fontsize=60: box=1: boxborderw=5: boxcolor=aqua@0.8 , drawtext=fontfile='C\:\\Windows\\Fonts\\cour.ttf': textfile='Z\:\\k\\v\\T_A\\M.txt': x=30: y=80: reload=1: fontcolor=black: fontsize=47: box=1: boxborderw=5: boxcolor=yellow@0.8[out]" -preset ultrafast -f flv rtmp://a.rtmp.youtube.com/live2/x-x-x-x I fixed the rate, and the output bitrate , and -preset utltrafast set cpu usage 50% down to 20% it is better but not enough because i using 4 cameras, processor usage ~80% , I cooked my notebook... How to go below cpu usage How does this performance change if you omit all the filters, i.e. just RTSP demuxing/decoding and re-encoding to YouTube? (In other words: Do the filters "cook" your CPU, or is it the encoding?) Not with "-c:v copy, as in your original e-mail. If the encoding is the bottleneck, you should try using your GPU for that. Moritz ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] "showwaves has an unconnected output" when sending audio with waveform as video
Neither does this work: #OUTPUT=out.mp4 OUTPUT="http://localhost:5554/video.ffm; ffmpeg -f alsa -i hw:0,0 -filter_complex "[0:a]showwaves=split_channels=1:s=1280x720:mode=line:colors=Red|Blue[v]" -map "[v]" -map 0:a $OUTPUT On Wed, 30 Jan 2019 at 11:09, Zoltan Kerenyi Nagy < kerenyi.nagy.zol...@gmail.com> wrote: > Thanks your're right! > > Unfortunately it still doesnt work: > ffmpeg -f alsa -i hw:0,0 -f lavfi -i nullsrc -filter_complex > "[0]showwaves=split_channels=1:s=1280x720:mode=line:colors=Red|Blue" -c:v > libx264 -preset fast -crf 23 -c:a copy http://localhost:5554/video.ffm > > On Wed, 30 Jan 2019 at 09:45, Moritz Barsnick wrote: > >> On Tue, Jan 29, 2019 at 23:04:23 +0100, Zoltan Kerenyi Nagy wrote: >> > Slight modification does not work either: >> > >> > ffmpeg -f lavfi -i nullsrc -f alsa -i hw:0,0 -filter_complex >> > "[0:a]showwaves=s=1280x720:mode=line:colors=Blue[v]" -map "[v]" -map 0:a >> > -c:v libx264 -r 15 http://localhost:5554/video.ffm >> > >> > error: >> > >> > Stream specifier ':a' in filtergraph description >> > [0:a]showwaves=s=1280x720:mode=line:colors=Blue[v] matches no streams. >> >> This is why you should always show us the *complete* uncut console >> output. You are hiding interesting info otherwise. >> >> Your first input (0) is nullsrc, a video source. So "[0:a]" does not >> specify a valid stream. You are not even using nullsrc, so you should >> probably omit "-f lavfi -i nullsrc", then the rest should work. >> >> Moritz >> ___ >> ffmpeg-user mailing list >> ffmpeg-user@ffmpeg.org >> http://ffmpeg.org/mailman/listinfo/ffmpeg-user >> >> To unsubscribe, visit link above, or email >> ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > > ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] "showwaves has an unconnected output" when sending audio with waveform as video
Thanks your're right! Unfortunately it still doesnt work: ffmpeg -f alsa -i hw:0,0 -f lavfi -i nullsrc -filter_complex "[0]showwaves=split_channels=1:s=1280x720:mode=line:colors=Red|Blue" -c:v libx264 -preset fast -crf 23 -c:a copy http://localhost:5554/video.ffm On Wed, 30 Jan 2019 at 09:45, Moritz Barsnick wrote: > On Tue, Jan 29, 2019 at 23:04:23 +0100, Zoltan Kerenyi Nagy wrote: > > Slight modification does not work either: > > > > ffmpeg -f lavfi -i nullsrc -f alsa -i hw:0,0 -filter_complex > > "[0:a]showwaves=s=1280x720:mode=line:colors=Blue[v]" -map "[v]" -map 0:a > > -c:v libx264 -r 15 http://localhost:5554/video.ffm > > > > error: > > > > Stream specifier ':a' in filtergraph description > > [0:a]showwaves=s=1280x720:mode=line:colors=Blue[v] matches no streams. > > This is why you should always show us the *complete* uncut console > output. You are hiding interesting info otherwise. > > Your first input (0) is nullsrc, a video source. So "[0:a]" does not > specify a valid stream. You are not even using nullsrc, so you should > probably omit "-f lavfi -i nullsrc", then the rest should work. > > Moritz > ___ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] ffmpeg ip cam stream with drawtext
On Wed, Jan 30, 2019 at 07:47:24 +0100, frhun wrote: > so I try lot of ffmpeg switch > > ffmpeg -r 25 -rtsp_transport tcp -i > rtsp://admin:1234@192.168.2.25/Streaming/Channels/1 -c:v libx264 -b:v 2M > -c:a copy -vf "[in]drawtext=fontfile='C\:\\Windows\\Fonts\\cour.ttf': > textfile='Z\:\\k\\v\\T_A\\P.txt': x=180: y=30: reload=1: > fontcolor=black: fontsize=50: box=1: boxborderw=5: boxcolor=red@0.8 , > drawtext=fontfile='C\:\\Windows\\Fonts\\cour.ttf': > textfile='Z\:\\k\\v\\T_A\\F.txt': x=180: y=75: reload=1: > fontcolor=black: fontsize=50: box=1: boxborderw=5: boxcolor=white@0.8 , > drawtext=fontfile='C\:\\Windows\\Fonts\\cour.ttf': > textfile='Z\:\\k\\v\\T_A\\O.txt': x=30: y=30: reload=1: fontcolor=black: > fontsize=60: box=1: boxborderw=5: boxcolor=aqua@0.8 , > drawtext=fontfile='C\:\\Windows\\Fonts\\cour.ttf': > textfile='Z\:\\k\\v\\T_A\\M.txt': x=30: y=80: reload=1: fontcolor=black: > fontsize=47: box=1: boxborderw=5: boxcolor=yellow@0.8[out]" -preset > ultrafast -f flv rtmp://a.rtmp.youtube.com/live2/x-x-x-x > > I fixed the rate, and the output bitrate , and -preset utltrafast set > > cpu usage 50% down to 20% it is better but not enough > because i using 4 cameras, processor usage ~80% , I cooked my notebook... > How to go below cpu usage How does this performance change if you omit all the filters, i.e. just RTSP demuxing/decoding and re-encoding to YouTube? (In other words: Do the filters "cook" your CPU, or is it the encoding?) Not with "-c:v copy, as in your original e-mail. If the encoding is the bottleneck, you should try using your GPU for that. Moritz ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] SD channels to HD
On Wed, Jan 30, 2019 at 08:04:29 +0545, Matthew Reus wrote: > but quality is highly degraded , interlaced how can we manage on this case You should show us your actually used ffmpeg command line and its complete, uncut console output, so we can understand what your are doing. This will also show us some details about your input material and what you are trying to achieve. E.g. we don't even know which encoder you are trying to use... (Eventually, you should also read up on the docs, which tell you how to change the quality of your encoding, and how to deinterlace.) Moritz ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] "showwaves has an unconnected output" when sending audio with waveform as video
On Tue, Jan 29, 2019 at 23:04:23 +0100, Zoltan Kerenyi Nagy wrote: > Slight modification does not work either: > > ffmpeg -f lavfi -i nullsrc -f alsa -i hw:0,0 -filter_complex > "[0:a]showwaves=s=1280x720:mode=line:colors=Blue[v]" -map "[v]" -map 0:a > -c:v libx264 -r 15 http://localhost:5554/video.ffm > > error: > > Stream specifier ':a' in filtergraph description > [0:a]showwaves=s=1280x720:mode=line:colors=Blue[v] matches no streams. This is why you should always show us the *complete* uncut console output. You are hiding interesting info otherwise. Your first input (0) is nullsrc, a video source. So "[0:a]" does not specify a valid stream. You are not even using nullsrc, so you should probably omit "-f lavfi -i nullsrc", then the rest should work. Moritz ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] ffserver - send audio with filter complex as video
it doesnt work either if I modify like this: ffmpeg -f alsa -i hw:0,0 -f lavfi -i nullsrc -filter_complex "[0]showwaves=split_channels=1:s=1280x720:mode=line:colors=Red|Blue" http://localhost:5554/video.ffm OUTPUT: Wed Jan 30 09:27:12 2019 127.0.0.1 - - [POST] "/video.ffm HTTP/1.1" 200 4096 Past duration 0.75 too large [alsa @ 0x55d011719ca0] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8) av_interleaved_write_frame(): Connection reset by peer Last message repeated 2 times Error writing trailer of http://localhost:5554/video.ffm: Connection reset by peer frame= 88 fps=0.0 q=2.0 Lq=27.0 size= 12kB time=00:00:03.44 bitrate= 28.6kbits/s dup=0 drop=33 speed=7.08x video:15kB audio:2kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown [aac @ 0x55d0117812c0] Qavg: 171.867 [libx264 @ 0x55d011782e60] frame I:1 Avg QP: 7.00 size: 223 [libx264 @ 0x55d011782e60] frame P:14Avg QP: 7.71 size:46 [libx264 @ 0x55d011782e60] frame B:40Avg QP:11.35 size:38 [libx264 @ 0x55d011782e60] consecutive B-frames: 1.8% 3.6% 0.0% 94.5% [libx264 @ 0x55d011782e60] mb I I16..4: 100.0% 0.0% 0.0% [libx264 @ 0x55d011782e60] mb P I16..4: 0.0% 0.0% 0.0% P16..4: 0.0% 0.0% 0.0% 0.0% 0.0%skip:100.0% [libx264 @ 0x55d011782e60] mb B I16..4: 0.0% 0.0% 0.0% B16..8: 0.0% 0.0% 0.0% direct: 0.0% skip:100.0% [libx264 @ 0x55d011782e60] 8x8 transform intra:0.0% [libx264 @ 0x55d011782e60] coded y,uvDC,uvAC intra: 0.0% 0.0% 0.0% inter: 0.0% 0.0% 0.0% [libx264 @ 0x55d011782e60] i16 v,h,dc,p: 98% 0% 2% 0% [libx264 @ 0x55d011782e60] i8c dc,h,v,p: 100% 0% 0% 0% [libx264 @ 0x55d011782e60] Weighted P-Frames: Y:0.0% UV:0.0% [libx264 @ 0x55d011782e60] kb/s:5.16 Conversion failed! On Wed, 30 Jan 2019 at 09:22, Zoltan Kerenyi Nagy < kerenyi.nagy.zol...@gmail.com> wrote: > Hi Guys, > > I'd like to send the audio with waveform overlay for both channels, I can > save it to file: > ffmpeg -f alsa -i hw:0,0 -filter_complex > "showwaves=split_channels=1:s=1280x720:mode=line:colors=Red|Blue" out.mp4 > > However with ffserver it fails: > ffmpeg -f alsa -i hw:0,0 -filter_complex > "showwaves=split_channels=1:s=1280x720:mode=line:colors=Red|Blue" > http://localhost:5554/video.ffm > > OUTPUT: > Wed Jan 30 09:06:00 2019 127.0.0.1 - - New connection: GET /video.ffm > Missing video stream which is required by this ffm > Wed Jan 30 09:06:00 2019 127.0.0.1 - - [GET] "/video.ffm HTTP/1.1" 200 4175 > > Here is the config file: > > HTTPPort 5554 > HTTPBindAddress 0.0.0.0 > MaxHTTPConnections 4 > MaxClients 4 > MaxBandwidth 1024 > CustomLog - > > > File /tmp/video.ffm > FileMaxSize 2048M > > > # > > > Format flv > Feed video.ffm > VideoCodec libx264 > VideoFrameRate 15 > VideoBitRate 512 > VideoSize 1280x720 > AVOptionVideo crf 23 > AVOptionVideo preset medium > AVOptionVideo flags +global_header > > AudioCodec aac > Strict -2 > AudioBitRate 128 > AudioChannels 2 > AudioSampleRate 44100 > AVOptionAudio flags +global_header > > > I'm sure that something is wrong with the ffserver config file. > > Thanks, > > Z > ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
[FFmpeg-user] ffserver - send audio with filter complex as video
Hi Guys, I'd like to send the audio with waveform overlay for both channels, I can save it to file: ffmpeg -f alsa -i hw:0,0 -filter_complex "showwaves=split_channels=1:s=1280x720:mode=line:colors=Red|Blue" out.mp4 However with ffserver it fails: ffmpeg -f alsa -i hw:0,0 -filter_complex "showwaves=split_channels=1:s=1280x720:mode=line:colors=Red|Blue" http://localhost:5554/video.ffm OUTPUT: Wed Jan 30 09:06:00 2019 127.0.0.1 - - New connection: GET /video.ffm Missing video stream which is required by this ffm Wed Jan 30 09:06:00 2019 127.0.0.1 - - [GET] "/video.ffm HTTP/1.1" 200 4175 Here is the config file: HTTPPort 5554 HTTPBindAddress 0.0.0.0 MaxHTTPConnections 4 MaxClients 4 MaxBandwidth 1024 CustomLog - File /tmp/video.ffm FileMaxSize 2048M # Format flv Feed video.ffm VideoCodec libx264 VideoFrameRate 15 VideoBitRate 512 VideoSize 1280x720 AVOptionVideo crf 23 AVOptionVideo preset medium AVOptionVideo flags +global_header AudioCodec aac Strict -2 AudioBitRate 128 AudioChannels 2 AudioSampleRate 44100 AVOptionAudio flags +global_header I'm sure that something is wrong with the ffserver config file. Thanks, Z ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
