On 01/08/2017 07:41, Hari Priya wrote:
Hi,
I am looking for a way to generate a static library of the avconv for
windows. ( not a stub lib )
Is there a Cmake file available for building avconv for windows ?
Is it possible to get a standalone .lib of the avconv library using
MinGW
On 5/19/17 4:50 PM, Hadrien Marquez wrote:
> Hello everyone,
> I'm a beginner starting to explore the libav librairies.
> In order to understand how it works I've been trying to make a simple
> transcoder which decode a video stream from my webcam and then re-encode it.
> I'm currently using libav
On 18/03/2017 18:56, Christophe Gimenez wrote:
> h264 has some color artifacts. You can see one frame here, for example :
502 Bad Gateway
Without seeing it is a bit hard to figure out what's wrong.
lu
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On 05/09/16 17:17, OR151 wrote:
> Dear Libav Team,
>
> I would like to implement a custom RTMP transcoder to HLS format in
> Java and I found the modification of the video resolution a bit
> challenging in Java. My plan is to minimize the amount of 3rd party
> frameworks/tools integrated with my c
On 28/07/16 05:54, Perette Barella wrote:
> I’m running into timeout problems with HTTP protocol while trying to
> stream some media. My existing code requests a timeout by setting a
> dictionary value “timeout” and passing that to avformat_open_input, a
> solution which works on ffmpeg’s implemen
On 24/06/16 14:29, Subash Warrier wrote:
> Hi
>
> When linking my application with libav I get linking error undefined
> reference to:
>
> 1. av_ctz
> 2. avpriv_init_lls
> 3. avpriv_solve_lls
> 4. av_downmix_info_update_side_data
>
Please provide the link line so I can be sure, but looks like
On 07/06/16 21:41, Kiara Forman wrote:
> Ok the formats both happen to be AV_PIX_FMT_YUV420P.
>
> with AV_PIX_FMT_YUV420P im seeing 2 left half images purple and green
>
> with AV_PIX_FMT_NV12 and AV_PIX_FMT_NV21 im seeing 2 left half images blue
> and green
If avplay renders the video correct
On 03/06/16 16:07, Kiara Forman wrote:
> A similar thing happens when i say the image is nv12. I even tried
> nv21. Is there a way to tell the image format from the AVFrame data?
>
>
> Also, AVCodecContext.pix_fmt = AV_PIX_FMT_YUV420P thats going into
> avcodec_decode_video2. Is there some reason
On 19/01/16 08:25, Israel Díaz wrote:
[h264 @ 0fb719a0] RTP: missed 4 packets
You are probably using UDP and you lost some packets in the wire.
If possible use tcp as transport and this problem will disappear =)
lu
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On 21/12/15 10:43, Florian Iragne wrote:
> Hi Luca,
>
> Le 30/11/2015 17:10, Luca Barbato a écrit :
>> find_stream_info will be overhauled sooner or later, the flag
>> mentioned might help you (depending on the format)
>
> Thanks for your answer. Just to make sure i&#x
On 30/11/15 09:15, Florian Iragne wrote:
> Hi Luca,
>
> Le 26/11/2015 18:51, Luca Barbato a écrit :
>> In general the protocols you are mentioning do not give you that
>> information, the only protocol telling you something (then it is up to
>> the server not giving yo
On 23/11/15 15:23, VENABLES, Anthony (HQ Supplier for Airbus Group) wrote:
> My question is "Are data streams supported when outputting a transport stream
> (.ts) to a .mxf file?"
No, but patches are welcome. So far we support certain data streams
(onTextData) for rtmp and few other (using a numb
On 25/11/15 13:27, Florian Iragne wrote:
> Hi,
>
> I'm facing a problem with finding the real start timestamp of a live
> stream.
>
> I have several streams (http/mp3, http/aac, udp multicast mp3/aac).
>
> For udp streams, i have a slight difference between the "real" start
> time of the first p
On 10/11/15 17:10, Alex Anderson wrote:
> Hello,
>
> I am using Libav to remux an mpegts stream into an FLV stream and
> publishing the stream to an RTMP server. The TS contains H.264 and AAC.
> Whenever the encoded video is progressive, the remuxing and streaming
> works great. Whenever the encod
On 04/09/15 19:34, wm4 wrote:
> On Fri, 4 Sep 2015 02:42:29 +0200
> Luca Barbato wrote:
>
>> On 03/09/15 17:28, Patric Schmitz wrote:
>>> So, how would I go from here?
>>
>> Check for their presence and do not add them in the case.
>>
>>> Does
On 03/09/15 17:28, Patric Schmitz wrote:
> So, how would I go from here?
Check for their presence and do not add them in the case.
> Does libav use other identifiers for those formats which I could use,
> and which are present in libav as well as ffmpeg? What's the specific
> reason those formats
On 01/09/15 15:17, Florian Iragne wrote:
> Hi Luca,
>
> Le 01/09/2015 12:27, Luca Barbato a écrit :
>> Are you using find_stream_info? It does cache quite a bit of data by
>> default.
>
> Yes, and i have a quite huge probesize since some of the streams are
> ba
On 28/08/15 20:40, Espen Jürgensen wrote:
> Hi,
>
> So my application basically transcodes (demuxes, decodes, encodes, muxes)
> very much the same way as in doc/examples/transcode.c.
>
> During transcoding, the user may decide to seek backwards in the input
> file. I have this working fine with a
On 28/08/15 08:55, Florian Iragne wrote:
> Hi,
>
> I'm using libav to decode live audio streams and process them using
> custom code. In this process the start timestamp of the stream is quite
> important.
>
> Currently, i take the timestamp (using std::chrono) at the end of the
> first decoded p
On 10/08/15 20:41, Éloi Bail wrote:
>> This project is Libav. Asking for support here while using FFmpeg
>> is impolite.
>
> The open source project I am working on is using both (libav and
> ffmpeg) depending on the OS mainly because of video device
> management. I don't want to go to political t
On 10/08/15 20:12, Éloi Bail wrote:
> Hi all,
>
> I work on an open source Audio/Video communication software
> sending/receiving RTP streams. RTCP is enabled and RTCP reports
> between peers are successfully exchanged over network and given to
> ffmpeg.
This project is Libav. Asking for support
On 14/07/15 12:22, Jan Schlüter wrote:
>>> Here a patch that in _theory_ should solve your problem, let me know if
>>> it works for you =)
>>
>> Thank you, but I don't see any attachment there!
>
> Carl told me it's merged into libav already, so I've tried the nightly
> build from http://johnvansi
On 09/07/15 12:00, Jan Schlüter wrote:
> What does it assume then? My naive interpretation was that it figures
> out from the bitrate where about to jump to and then searches for
> something looking like an MP3 frame, failing here because there's a
> frame-lookalike around second 48. (However, the
On 09/07/15 12:00, Jan Schlüter wrote:
> What does it assume then? My naive interpretation was that it figures
> out from the bitrate where about to jump to and then searches for
> something looking like an MP3 frame, failing here because there's a
> frame-lookalike around second 48. (However, the
On 08/07/15 16:30, Jan Schlüter wrote:
>> PPS: "avconv -ss 48 -t 30" works fine, and it uses av_seek_frame() with
>> the stream index set to "-1". Should I do that instead? Is this expected
>> to be more robust?
>
> Seems I did something wrong in my first attempt of using "avconv".
> Setting the s
On 06/07/15 17:41, Jan Schlüter wrote:
> PPS: "avconv -ss 48 -t 30" works fine, and it uses av_seek_frame() with
> the stream index set to "-1". Should I do that instead? Is this expected
> to be more robust?
Try if that solves your problem first. I'll try to have a look at it
during the weekend h
On 12/06/15 11:23, Florian Iragne wrote:
> Hi,
>
> I've a program that uses libav to demux/decode live streams and gives
> the audio buffers to a function that analyzes them.
>
> When i feed that program with a pseudo live-stream (avconv -re -i my.mp3
> -f mpegts udp://localhost:666), everything
On 13/05/15 20:49, Bernd Pfrommer wrote:
I hit an issue today with draining the last few frames of a video
stream, using libav v12_dev0:
The documentation
https://libav.org/doxygen/master/group__lavc__decoding.html says:
"Some decoders (those marked with CODEC_CAP_DELAY) have a delay between
in
On 25/04/15 20:58, daggs wrote:
> mmm I think I was mislead, I'm using ffmpeg, after asking the same
> question on the ffmpeg list I was suggested to ask this in the libav
> ml because I'll have more chance to get help, I know that ffmpeg
> pulls changes from libav so I assumed it was a logical su
On 25/04/15 13:50, daggs wrote:
> Greetings Luca,
>
>> Sent: Saturday, April 25, 2015 at 12:16 PM
>> From: "Luca Barbato"
>> To: libav-api@libav.org
>> Subject: Re: [libav-api] invalid AVPacket size in av_read_frame usage.
>>
>> On 23/04
On 23/04/15 15:34, daggs wrote:
> Greetings,
>
> I'm writing a program that needs to sample the screen in bgra format.
> the problem is what I try to read an av frame, I get this error:
> [rawvideo @ 0x1403aa0] Invalid buffer size, packet size 1228800 < expected
> frame_size 8294400
>
>
> l
On 17/04/15 09:37, Ran Shalit wrote:
> I use HW accelerator decoder in my case therefore I don't need FFmpeg
This is Libav not FFmpeg https://www.libav.org/about.html
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On 17/04/15 04:59, Jing huang wrote:
> Hi there,
>
> I am facing an issue while trying to integrated two open sourced libraries
> together, one is gstreamer which is using libav from libav.org, another is
> kickflip which uses libav from ffmpeg. The issue is both libraries has the
> same named lib
On 15/04/15 11:37, Ran Shalit wrote:
The captured frames from camera are already in JP2 format, so I
actually only need mux (and demux in the decoder) for network
streaming.
Is there any mux which support jp2 ?
matroska for sure.
So, if matroska mux is used and will be network stream and pl
On 14/04/15 06:55, Ran Shalit wrote:
On Mon, Apr 13, 2015 at 2:51 PM, Luca Barbato wrote:
On 13/04/15 13:37, Ran Shalit wrote:
Can I use libav to stream jp2 packets (from camera) with mpeg-ts ?
A coursory grep tells me there isn't a specific codec support, so it
might work or might not
On 13/04/15 13:37, Ran Shalit wrote:
> Can I use libav to stream jp2 packets (from camera) with mpeg-ts ?
A coursory grep tells me there isn't a specific codec support, so it
might work or might not.
lu
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On 13/04/15 07:07, Ran Shalit wrote:
> Does multipart mean mjpeg (motion jpeg) ?
multipart means that you just use http mime multipart to signal the fact
you are just sending images one after the other.
> I also in dillema what's the best way to stream a source which comes
> in jp2 (jpeg 2000)
On 12/04/15 20:47, Ran Shalit wrote:
> Hello,
multipart jpeg is supporte as encoding since a while, I wrote an demuxer
for it as a tiny example in my blog, I'll merge it soon if you need it.
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On 31/03/15 16:26, Bernd Pfrommer wrote:
> For instance, the header packet is currently generated with this code:
>
> AVFormatContext *ctx;
> int max_packet_size = whatever;
> uint8_t *data = NULL;
>
> ffio_open_dyn_packet_buf(&(ctx->pb), max_packet_size); // <--
> how to replace?
> avfor
On 26/03/15 22:39, Espen Jürgensen wrote:
> Hi,
>
> Recent versions of libav have an interface for reading the ICY http headers
> from a stream, which is really great. However, a large part of the users of
> my program only have libav 9, so I'm trying to find out if there is some
> way to get the
On 30/03/15 23:47, Ran Shalit wrote:
> The thing is that the decoder support YUV420, while the stream contain
you can use swscale to convert the data to the pixel format you expect.
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On 30/03/15 16:36, Ran Shalit wrote:
>>> I'm new with libav.
>>> I would like to ask if libavformat is capable of demux
>>> h.264->mpeg-ts->udp stream.
>>
>> yes
>>
>>> If yes - Is there any example for this ?
>>
>> avconv -i udp://ip:port
>>
>> ok
>>
>> avformat_open_input(&s, "udp://ip:po
On 30/03/15 08:14, Ran Shalit wrote:
> Hello,
>
> I'm new with libav.
> I would like to ask if libavformat is capable of demux
> h.264->mpeg-ts->udp stream.
yes
> If yes - Is there any example for this ?
avconv -i udp://ip:port
ok
avformat_open_input(&s, "udp://ip:port", NULL, NULL);
On 20/03/15 16:10, Ondrej Novy wrote:
> hi, i have this project: I'm receiving continuous mpeg2-ts and saving it to
> disk splitted by size, for example 32 MB. Then i want to encode this input
> to 3 profiles (bitrates/resolution) i-frame aligned, splitted by time (10s)
> for HLS adaptive playing.
On 13/03/15 17:10, Georgi Rosenov Stefanov wrote:
> Hi All,
>
> I succeeded to stream good packages using ffmpeg. But I want to use libav
> code.
> Is there any know issue with RTP streaming ?
None that I know and w/out seeing your code is hard to figure out what
you are exactly doing.
lu
_
On 27/02/15 10:53, ches...@centrum.cz wrote:
Hi community,
I am currently developing an application which is saving data from VP8
RTP stream to WebM file (video-only).
Server is: Ubuntu 14.04.2 LTS.
Libav package version is 6:9.16-0ubuntu.
I am viewing memory usage via: watch -n 1 free
Frames a
On 29/01/15 10:54, Mirko Puliafito wrote:
> Hi,
>
> is it possible to encode and decode G.729 codec on RTP format? What I can
> see from "libavformat/rtp.c" it seems it's not.
>
You might ask Martin about it directly. the format seems simple enough
if I recall correctly.
lu
___
On 29/01/15 20:00, Fred Timmerman wrote:
> Is it possible to open an existing Matroska file and write new audio
> and video frames to it.. Continuing where I left off?Same codecs,
> same streams.. Everything matches codec and stream wise.. all
> structured the same way.. Also, I don't want to
On 20/01/15 21:19, Kai Dohmen wrote:
Hello,
I just want to decode a stream like in this example
https://blinkingblip.wordpress.com/2011/10/08/decoding-and-playing-an-audio-stream-using-libavcodec-libavformat-and-libao/
but with avcodec_decode_audio4.
The data (frame->data[0]) is the right decode
On 16/01/15 20:15, Bernd Pfrommer wrote:
Since nobody posted a clean solution I'll post a nasty hack.
I was planning to check that options could be forwarded from sdp to udp
but I hadn't had time to get to code for it =/
Thanks for sharing the workaround.
lu
__
On 20/01/15 19:07, Éloi Bail wrote:
> Hi,
>
> We are using libav to encode / decode opus audio between two SIP clients.
>
> The encoding client use libopus while the decoding client use either libopus
> (before libavcodec56) or opus native decoder (since libavcodec56).
> Audio encoding format
On 12/01/15 17:32, Arash Shafiei wrote:
> hi,
>
> Suppose you make fragmented files using libav apis:
>
> av_dict_set(&opts, "frag_duration", "100", 0);
> av_dict_set(&opts, "movflags", "empty_moov", 0);
> avformat_write_header(fmt_ctx, &opts);
>
> And you write the packets on the file
On 31/12/14 14:58, Bernd Pfrommer wrote:
Does this issue indeed require an API change (e.g. add an AVOption), and
if yes, what is the cleanest way? If some of the developers can offer
guidance I'm willing to implement and test.
The `buffer_size` url option is there for you.
udp://foo?buff
On 05/12/14 14:39, Florian Iragne wrote:
Hi,
i made an audio decoder based on libav. It works well.
I've come accross two mp3 files that can't be decoded by my decoder. It
fails on avformat_find_stream_info with the message "operation not
permitted"
Avplay can't read the files properly:
* f
On 05/12/14 14:39, Florian Iragne wrote:
Hi,
i made an audio decoder based on libav. It works well.
I've come accross two mp3 files that can't be decoded by my decoder. It
fails on avformat_find_stream_info with the message "operation not
permitted"
Could you please provide the samples?
lu
On 15/11/14 23:55, Joan Charmant wrote:
> Hello
>
> I have an input stream in GRAY8 color space (also called Y800, Y8 or GREY
> elsewhere) that I would like to encode to MJPEG (inside MP4).
>
> In my understanding there is no technical limitation for an MJPEG encoder
> to directly compress GRAY8
On 29/10/14 21:14, Mark Winslow wrote:
Hi, I'm having problems getting ahold of library files for Windows. The
nightly build links seem to be broken:
http://win32.libav.org/win32/
That system is being setup again, sadly it is taking more time than
expected.
MingW doesn't build, nor does C
On 28/10/14 11:19, Markus Eberhard wrote:
> Yes, the codec is available in Windows Media Player 12.
> The problem seems to be in the generation of the video file.
The codec has multiple profiles, maybe the one you are using is not
supported. If you try constrained baseline it should work.
lu
__
On 24/10/14 11:46, Markus Eberhard wrote:
I have a H264 encoded video (self-generated using libav) which cannot be
played by Windows Media Player 12 (Windows 7 Professional SP1), but by other
video players such as VLC.
Unfortunately Media Player (version 12.0.7601.18526) does not provide any
(er
On 16/09/14 09:36, Manuel Torres wrote:
> The Ubuntu version is the following:
> avplay version 9.16-6:9.16-0ubuntu0.14.04.1, Copyright (c) 2003-2014 the
> Libav developers
> built on Aug 10 2014 18:16:02 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
>
> I have not found that exact Windows version but t
On 15/09/14 18:34, Manuel Torres wrote:
> I will double-check tomorrow but it should work regardless of the version,
> right?
Yes, if it doesn't there is a bug somewhere for sure.
lu
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On 15/09/14 16:55, Manuel Torres wrote:
> Hello everyone,
>
> I am trying to open an H.264 RTSP stream with avplay and it works on Ubuntu
> 14.04 but not on Windows 7.
>
Are you using the same version? I do not have wine handy to test but it
should work just fine.
lu
__
On 11/09/14 09:31, Florian Iragne wrote:
> hi,
>
> Le jeu. 11 sept. 2014 09:28:30 CEST, Luca Barbato a écrit :
>> An url even privately with the stream would be enough. possibly this
>> weekend as the soonest.
>
> http://95.81.147.7/6487/nrj_110348.mp3 (public stream
On 10/09/14 20:55, Florian Iragne wrote:
> If devs need more info on this topic, i can provide examples, version
> numbers, etc
An url even privately with the stream would be enough. possibly this
weekend as the soonest.
Thanks.
lu
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On 10/09/14 12:19, Florian Iragne wrote:
> Hi again,
>
> if i set the probesize to a few frames (20k), it works, but it guess
> that i shouldn't do this.
find_stream_info is one of the bad legacies we hadn't fixed yet, sadly
in a good number of situations restricting the amount of data probed is
On 09/09/14 15:55, Florian Iragne wrote:
> Hi,
>
> I've made a c++ class using libav that decodes input audio files into a
> buffer of double values. It works fine.
>
> Now, i want to handle live streams and add the observer/observee design
> pattern so that external objects can perform various a
On 10/08/14 12:08, Prashanth Bhat wrote:
>> - are you using the vaapi hwaccel? It is the only backend
>> supporting Hanswell in release 10 (and 11).
> We compiled the libva with the vaapi hwaccel flag enabled. However,
> our code isn't explicitly using an vaapi calls.
I see, sadly vaapi hadn't be
On 09/08/14 14:05, Prashanth Bhat wrote:
> Hi Luca,
>
> I used release 10.3 of libav on the Haswell CPU. I see the high load average
> of 20+ for just 4 decode channels of 1080p.
> Any idea why the load average is so high, and how to bring it down?
Some questions:
- which operating system are
On 06/08/14 12:39, g kuczera wrote:
> I don't know if this is a proper way to replay, but I just want to inform
> you, that I solved the problem with advice from Luca Barbato.
Good to know =)
> What was wrong with my code, was the lack of FormatFilter, which I added
> later.
>
On 08/08/14 13:57, Prashanth Bhat wrote:
> Hi wm4, Thanks for your response and the suggestion.
>
> As mentioned, I'm using Ubuntu 14.04 on a Haswell CPU. The FFMPEG
> version is 2.1
This is Libav, you might either ask your questions to the mailing list
of the project you are using or use the pro
On 26/07/14 00:58, Joseph Rosensweig wrote:
> I've just started to learn about VP8, so give me some slack if this is a
> dumb question.
> H.264 Example
>
> In the past I've worked mostly with H.264. Whenever I needed to parse H.264
> bit streams, I would leverage libav to help me and use something
On 25/07/14 15:44, Mike Lockhart wrote:
> The snippet is:
> if ((ret = av->codec_open2(c, codec, NULL)) < 0) {
> char buf[1024];
> av->strerror(ret, buf, 1024);
> fprintf(stderr, "Could not open codec: %s\n", buf);
> return false;
> }
>
> The av->strerror is
On 24/07/14 16:29, g kuczera wrote:
> Hi guys, this's my first question on this mailing list (and ever too!), so
> I am feeling exited about posting it right now. :)
>
> What's the problem?
> I wanted to merge some clips, so I acknowledged with the API of LibAV and
> made easy samples.
> The first
On 23/07/14 18:31, Mike Lockhart wrote:
> Hi,
>
> I am using libav to encode audio/video and have started seeing the call
> to codec_open2 fail when it has worked for several months. I'm not sure
> what the -22 means and calling strerror() returns the useless message
> "Error number -22 occurred".
On 03/07/14 14:54, Roman Savchenko wrote:
> Hi,
>
> I trying to remux H264 rtsp based stream to mp4 file on disk and I have
> problem. Its converted without any warnings or errors but stream doesn't
> displayed in player(for example vlc).
> Can someone help me with that?
First question: using av
On 23/06/14 14:33, Luca Barbato wrote:
> On 23/06/14 12:52, Manuel Torres wrote:
>> Updating to mingw64 did not help. I still get the errors. This is the
>> configuration I used: ./configure --arch=x86_64 --target-os=mingw32
>> --cross-prefix=x86_64-w64-mingw32- --
On 23/06/14 12:52, Manuel Torres wrote:
> Updating to mingw64 did not help. I still get the errors. This is the
> configuration I used: ./configure --arch=x86_64 --target-os=mingw32
> --cross-prefix=x86_64-w64-mingw32- --pkg-config=pkg-config --enable-shared
>
> I could find options to enable
On 20/06/14 15:08, Florian Iragne wrote:
> Hi,
>
> i'm using libav in a multithreading context and i'm facing the problem
> of concurrent access to a few libav functions.
>
> I'm programming in c++ and i'm using OpenMP for multithreading.
>
> I have an AudioConverter class. In its init, i do:
>
On 20/06/14 09:33, Manuel Torres wrote:
> Luca,
>
> I have tried to build master to test this patch but I am getting build
> errors in avconv_dxva2: http://pastebin.com/rBU8RYSW
>
> I can build release/10 with no errors.
>
> I am cross-compiling the mingw32 version in Ubuntu 12.04 64bits:
> ./co
On 14/06/14 20:44, Joshua Kordani wrote:
> On 6/13/14 9:07 PM, Luca Barbato wrote:
>> On 13/06/14 21:04, Joshua Kordani wrote:
>>> Attached is a patch to recent trunk that keeps the a=fmtp line around
>>> until after we detect an a=rtpmap line. The rtpmap line paylo
On 13/06/14 21:04, Joshua Kordani wrote:
> Attached is a patch to recent trunk that keeps the a=fmtp line around
> until after we detect an a=rtpmap line. The rtpmap line payload type
> gets propagated down the library, and then after that, the fmtp line
> gets applied to the correct streams. Whe
On 11/06/14 09:41, Manuel Torres wrote:
> First of all, thank you Luca and Joshua for taking the time to help me and
> thank you very much Joshua for that awesome explanation. I see that there
> is a lot to learn.
>
> Back on topic:
> I checked the format context and the codec context and I only f
On 10/06/14 14:11, Manuel Torres wrote:
> Captured with Wireshark:
>
> v=0
> o=- 1293840088672 1293840088672 IN IP4 192.168.2.93
> s=Live
> t=0 0
> m=audio 0 RTP/AVP 0
> c=IN IP4 192.168.2.93
> a=control:rtsp://192.168.2.93/defaultPrimary/mic0/trackID=1
> m=video 0 RTP/AVP 96
> c=IN IP4 192.168.2.
On 10/06/14 12:44, Manuel Torres wrote:
> Would there be any other way to get the missing data? I guess that there
> must be a way since VLC and MPlayer open the stream.
>
Could you please provide the sdp?
lu
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On 06/06/14 09:26, Manuel Torres wrote:
> Hello,
>
> I have a H264 video stream that I cannot open with my libav-based code. I
> tested it with avplay and I got a number of the following traces:
>
> [h264 @ 02F2F400] non-existing PPS referenced
> [h264 @ 02F2F400] non-existing PPS 0 referenced
>
On 05/06/14 10:25, Roman Savchenko wrote:
> HI Luca, did you check it?
Sadly I hadn't had time.
PS: Please don't top-post (gmail is really annoying in this regard, I know).
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On 26/05/14 11:20, Roman Savchenko wrote:
> http://www.datafilehost.com/d/7a0ab51f
> http://www.datafilehost.com/d/a28ea439
>
> Videos are short because stream "dropped" after short time.
>
I'd need the rtsp feed.
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On 26/05/14 21:17, Jonas Deitmerg wrote:
> On 05/23/2014 06:28 PM, Luca Barbato wrote:
>> On 20/05/14 20:36, Jonas Deitmerg wrote:
>>> Hello everyone.
>>>
>>> I'm trying to get libav to work with x264 and have some problems:
>>>
>>> Inst
On 22/05/14 13:39, Roman Savchenko wrote:
> Hi All,
>
> I try to play rtps stream and I have problem with this types:
> 1. Unhandled type 27 (See RFC for implementation details)
> 2. Undefined type (31)
Can you provide a test feed?
> Than I receive SIGPIPE on avformat_close_input.
You shoul
On 20/05/14 20:36, Jonas Deitmerg wrote:
> Hello everyone.
>
> I'm trying to get libav to work with x264 and have some problems:
>
> Installation of libx264 (with --enable-shared) worked without a problem.
> Configuring (with --enable-libx264), building and installing libav
> didn't give
> any er
On 23/04/14 00:58, Ben Ockmore wrote:
> But isn't that the point of the following line?
>
> int stream_no = av_find_best_stream(format_context,AVMEDIA_TYPE_AUDIO,-1,-1,
> NULL,0);
It tells you which is the best audio stream, nothing else.
> Shouldn't this already be giving me the correct stream,
On 22/04/14 19:49, Ben Ockmore wrote:
> Based on a suspicion I had, I looked into ways of removing the metadata
> from the FLAC file. I've found that the problem seems to be occur when the
> FLAC file contains a picture in one of its metadata blocks.
Ah, then it is quite simple. You are getting th
On 19/04/14 00:30, Ben Ockmore wrote:
> Hi everyone,
>
> My first post to this list, after a day of reading through
> documentation and examples and getting nowhere with a little problem
> I've encountered.
>
> Yesterday, I moved from Ubuntu 13.10 to Ubuntu 14.04, and recompiled
> a program I'd w
On 18/04/14 17:49, Roman Savchenko wrote:
> Hi All,
>
> I've very strange AVERROR_EOF while reading rtmp stream. My code is folowing
>
> static int av_interrapt(void *opaque)
>
> {
>
> VideoWorker* self = reinterpret_cast(opaque);
>
> if (self->last != clock_t::time_poi
On 16/04/14 19:00, Ondřej Perutka wrote:
> I saved input packets passed to the decoder into a file for all these
> cases. There were absolutely no differences between these files. (Note: All
> packets had proper 8 byte zero padding in the end of the buffer.)
>
> I found out that setting thread_cou
On 08/04/14 00:24, Michael Rice wrote:
> Yes, this test is mpegts over UDP. Yes, the new stream comes with a new
> PID, so I didn't see a way to check if the PIDs match when I get the
> packet, since the AVPacket only has the stream index.
Nominally you cannot, since the ts demuxer correctly maps
On 07/04/14 22:21, Michael Rice wrote:
> I have setup an application to receive and decode an UDP video stream and
> it's working fine. During initialization, I loop through all of the streams
> in the AVFormatContext and use the first video stream, and I remember that
> stream index. As I'm loopin
On 07/04/14 10:25, Roman Savchenko wrote:
> Hi Luca,
>
> I understand why this value was hidden, may be better adjust them into
> AVOptions, so will save private implementation. But if it difficult to
> implement if they'll exported as side data it will be nice too.
> If somebody interested for no
On 04/04/14 16:40, Roman Savchenko wrote:
> They are still exist in Libav in struct H264Picture. Can I access them in
> legal way?
If those values are needed they can be re-exported for just who needs
them (as side data).
Let me know if it would work for you.
On 24/03/14 07:26, eaglez...@freescale.com wrote:
> Hi,
>
> We are developing our framework based on libav H.264 decoder, now we
> need to pre-allocated all frame buffers due to some limitation in
> video render. But we can't find any frame buffer numbers related
> information reported from libav
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