John Locke scdmusic@... writes:
Is there a way I can encode just one frame to display?
I would like to Encode a single H264 from and then be
able to decode it.
This works fine here with
$ ffmpeg -i input -vframes 1 out.h264
Carl Eugen
___
Jorge Israel Peña jorgepblank@... writes:
Aside from that, what are the benefits of using libavfilter
for converting to the target format over using libswresample?
I believe the main benefit is that if you want to (also)
use another filter, you only need to open one filtergraph.
If you are
René Calles me@... writes:
i would like to ask you for help about pointing me where to
start ( except for programming language ) to understand the
basics in programmatically using Libav in general. I would
like to understand the general basics and hope someone could
point me to some
张弘强 zhanghongqiang@... writes:
Recently, I’m doing development to generate video clips’
thumbnail pic file. But, it is hard without development
guide, would you please show me some example code for it?
First confirm that ffmpeg (the command line application)
allows you to do what you want,
张弘强 zhanghongqiang@... writes:
ffmpeg -i video_clip.3gp -vframes 1 -ss 00:00:01
-vf transpose=1 output.jpg
(the first frame is not good enough)
Do you mean the first frame is black / does not show the
information you would like to have in your output jpg or
is there something wrong with
Nicolas George nicolas.george@... writes:
Any idea, why this doesn't happen, when FFmpeg is
compiled with MSVC?
Not at all. Possibly assembly optimization that are
not used.
The problem comes from asm mmx optimization that
does not get compiled with msvc.
Carl Eugen
xftzg xftzg2013@... writes:
I want to perform a 'Step Forwards/Backwards' operation in my player
This is not a trivial task.
I believe there are two main approaches:
You can cache as many frames as you believe the user will want
to step backwards or you seek backwards to the next keyframe
and
Navin nkipe@... writes:
As I understand, there shouldn't be any licensing issues if one uses
ffmpeg via the ffmpeg DLL's. As provided by Zeranoe in the
ffmpeg-win32-shared builds http://ffmpeg.zeranoe.com/builds/Nav
Why should that be?
Ie, if a license issue applies to the FFmpeg project
Brad O'Hearne brado@... writes:
In lieu of having no luck over several weeks getting video
+ audio samples captured from QTKit resampled and encoded
with Libav to FLV (with video), I've kind of hit a bit of
a brick wall. The runnable Mac app and source
demonstrating this use case hasn't
René J.V. Bertin rjvbertin@... writes:
On 27 March 2013 09:58, Carl Eugen Hoyos cehoyos@... wrote:
not use QTKit? There is definitely a native decoder
that outputs the format that (you believe) QTKit
offers, and that code would not be OSX specific in
the end.
Are you saying
Dolevo Jay cmst@... writes:
When I don't use --disable-yasm option, I got tons
of errors just because the yasm version that we are
using in openembedded is quite old and ffmpeg
requires a newer version of yasm.
That is unexpected since the configure script tests
the yasm version, you
Richard Schilling coderroadie@... writes:
I'm a bit confused, because it seems that FFMPEG should
allow me to write a new filter and add it to the library.
It definitely does.
Either send your patch (that implements the new filter)
to ffmpeg-devel or set up a git clone and ask for a
merge
Lars Hammarstrand lars.hammarstrand@... writes:
Not all iOS devices are born equal in terms of
their ARM core. Which device crashed for you with
bad instruction at
vmov.i8 q0, #128
This function has been unchanged for three years.
If this really is a regression,
Lars Hammarstrand lars.hammarstrand@... writes:
If this really is a regression, please consider
using git bisect to find the version introducing
it. (This isn't trivial with FFmpeg, but I will
support you.)
Ok, thanks - although I believe it will be a quite
lengthy and cumbersome
Lars Hammarstrand lars.hammarstrand@... writes:
(gdb) disass $pc-32,$pc+32
Please add the register dump, some developers can
see the problem if it is present.
Thank you, Carl Eugen
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Lars Hammarstrand lars.hammarstrand@... writes:
Could you run the testsuite (make SAMPLES=path fate) on the
iPhone? This would allow to verify if only H264 is affected
or also other codecs.
4. Sorry, you have to be a bit more specific on this one
since I'm not a ffmpeg core developer.
Lars Hammarstrand lars.hammarstrand@... writes:
(I will open a ticket if all information is available,
Great, here are some additional configure flags.
Please tell me if you need anything else to open a ticket!
Please test if --disable-neon and -cpuflags -neon fix
the problem.
I've no
Lars Hammarstrand lars.hammarstrand@... writes:
but please test if -cpuflags -neon
or --disable-neon helps.
Forgot to ask. Do any of these flags replace any
other flags or should they be used in conjunction
with existing configure flags as below?
--enable-neon
I suspect it is not a
Lars Hammarstrand lars.hammarstrand@... writes:
Success, --disable-neon and -cpuflags -neon did the trick!
I hoped you would first test -cpuflags -neon on
a build with --enable-neon and then --disable-neon
without any cpuflags - sorry for being unclear!
Ok, I'll test that too!
Lars Hammarstrand lars.hammarstrand@... writes:
Initially I want to run the fully automated git
bisect run.
It appears that you know much more about
bisecting FFmpeg than I do. If you report
the first failing commit here on this
mailing list I will forward it to the
bug tracker / the
Lars Hammarstrand lars.hammarstrand@... writes:
Ok, can you please confirm I'm at the correct starting point:
$ git bisect good 3c5fe5b
Only you can answer if 3c5fe5b works ok, if it does,
please test a1bcc76.
(In case this is not obvious: Because of the
peculiarities of the FFmpeg
Lars Hammarstrand lars.hammarstrand@... writes:
Run Status: ffmpeg-d0b7e83: Failed. (rc=132)
Run Status: ffmpeg-8bee8f7: OK.
Does --disable-thumb fix the crashes?
(Or --enable-thumb?)
In any case: Please run your configure line for
both above versions and post the diff for the
following two
Lars Hammarstrand lars.hammarstrand@... writes:
--as='/Users/Shared/xbmc-depends/buildtools-native/bin/gas-preprocessor.pl
Which version of gas-preprocessor.pl is this?
A version prior to October 2012 would likely
explain the crashes you are seeing.
Carl Eugen
praks411 praks411@... writes:
Ok after setting pts, dts and duration of output
packets as per do_streamcopy function in avconv.c
Please note that avconv is known to contain many bugs
(some of them security relevant) and is therefore
unsupported, please see http://ffmpeg.org/download.html
praks411 praks411@... writes:
I'm debugging in vc++ 2012 with libav 9.1.
This fork of FFmpeg contains several hundred known bugs that
are not reproducible with FFmpeg, some of them security
relevant. Please understand that we therefore cannot support
it on this mailing list, please see
Harald Jordan harald.jordan@... writes:
As I am on windows and MSVC (this has reasons),
I cannot really have a look where exactly the
error is
Without a backtrace (and without source code),
this will be impossible to fix.
Either use msvc or gdb to get a backtrace.
Carl Eugen
Reuben Scratton reuben.scratton@... writes:
I maintain a video player app on Android and recently had
occasion to upgrade it's FFmpeg from 0.8.6 to 1.1.3.
Please update to 1.2 which is binary compatible and contains
many bug fixes and features not present in 1.1.
It seems that the 1.1 AAC
andro sendtofaraway@... writes:
I'm looking for a way to mux mjpeg (compressed) video
data into a video container like mp4 or avi.
$ ffmpeg -i input -vcodec mjpeg out.avi
(I'll also need to add audio in the future) .
$ ffmpeg -i input -vcodec mjpeg -acodec ac3 out.avi
I do not want
Lars Hammarstrand lars.hammarstrand@... writes:
3) Write a mail to yuvi and ask him to merge the
changes.
Mailed an update to ffmpeg-devel regarding the docs
that David Conrad intercepted and the repo is now
refreshed with Mans changes.
(Sorry: I had written a mail to him several days
praks411 praks411@... writes:
1. If I play the output (.avi) file in vlc then
I'm just able to play video there is no audio.
How does ffmpeg -i output.avi look like?
(This sounds like a well-known bug in vlc.)
Carl Eugen
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Lars Hammarstrand lars.hammarstrand@... writes:
One idea could be to add an gas option to configure,
like --gas=/abosolute/path/to/gas-preprocessor
This does already exist afaik.
(pls note that this does not work:
--as=/absolute/path/to/gas-preprocessor.pl /path/to/as... ).
Please test
praks411 praks411@... writes:
The output file is perfect. It is working in both
windows and vlc
It appears I misunderstood, I thought the file does
not work with vlc.
Sorry for the noise, Carl Eugen
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Carel Combrink carel.combrink@... writes:
[rawvideo at 01dc8c40] = Invalid pixel format.
Last message repeated 1 times
Input #0, matroska,webm, from 'Recording.avi':
Metadata:
ENCODER : Lavf55.1.100
Duration: 00:00:00.70, start: 0.00, bitrate: N/A
Stream
Reuben Scratton reuben.scratton@... writes:
If I compile with -mfpu=neon then FFmpeg blows up
with SIGILL (ILLOPTPC) when run on a non-Neon CPU.
If I compile with -mfpu=vfvp3 then FFmpeg runs fine,
but presumably without the optimized code
Did you test this? (with a debugger)
I don't
Reuben Scratton reuben.scratton@... writes:
License: nonfree and unredistributable
But this is certainly not the configure line you
use for the version that your Android users
tested and protested performance-wise or am I
wrong?
Carl Eugen
___
Reuben Scratton reuben.scratton@... writes:
License: nonfree and unredistributable
(If you believe something is unclear about
above message and that it does not explain
that you may not legally distribute the
resulting binary, please tell us!)
But this is certainly not the configure line
Steffen.Roeber@... writes:
I read many hours to understand pts in libav.
But it seems there is no common simple way to retrieve.
I used the method from http://dranger.com/ffmpeg/.
This is quite outdated, please have a look at the
examples in doc/examples.
[...]
Dieses Dokument ist
andro sendtofaraway@... writes:
But If I want to write a little program using
libav* library to do the work .
Please look at the example code in doc/examples
in your git checkout.
Please do not top-post here, Carl Eugen
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Steffen Steffen.Roeber@... writes:
I took a look at the decoding examples. There the
AVFRame-pts field is used.
But I have some videos where this field is always 0.
What kind of videos?
You can use -debug_ts to see if FFmpeg (the application)
sees the correct pts (and where it comes from).
Brad O'Hearne brado@... writes:
On Apr 17, 2013, at 9:36 AM, Carl Eugen Hoyos cehoyos@... wrote:
For mp3 and speex, you have to compile FFmpeg with
external libraries (lame and libspeex), to use the
internal aac encoder you have to pass the equivalent
of -strict -2 to the system
Tanim Islam tanim.islam@... writes:
Is it possible to encode from a set of SVG frames,
rather than PNG frames,
FFmpeg does not support decoding svg.
(Patch welcome.)
in avconv?
avconv is known to contain several hundred bugs not
present in ffmpeg, some of them security-relevant,
please
Brad O'Hearne brado@... writes:
Does anyone know what is different about processing with
an AAC encoder vs a ADPCM encoder
One takes s16 (which you probably expect), the other takes
flt-p (which is *not* flt, at least not exactly).
You can test if mono works to find out if planar is your
Mert Gedik gedikmert89@... writes:
But when I configure with --enable-asm, the audio stream
which using mpx(mp1,mp2,mp) codec sounds squeaky.
Did you test --disable-thumb and --disable-neon?
Please try to find the function that is
responsible for the problem.
Carl Eugen
Mert Gedik gedikmert89@... writes:
The sound problem happens on device only when
configure ffmpeg with --enable-asm optimization
parameter, no sound problem exists on simulator
with same configuration...
Is the sound also reproducible with --disable-neon
or --disable-thumb ?
(Honestly:
Mert Gedik gedikmert89@... writes:
./configure ... --enable-asm --disable-neon
--- distortion on sound.
./configure ... --enable-asm --disable-thumb
--- distortion on sound.
I believe if you test the following configuration options,
it should allow to further narrow down the search for
Mert Gedik gedikmert89@... writes:
But when I configure with --enable-asm, the audio stream
which using mpx(mp1,mp2,mp) codec sounds squeaky.
I suspect that this is ticket #2473 which I had to
close because no information whatsoever was provided
that allowed to analyze the problem.
Thanks
Julian Herrera julian.herrera@... writes:
Which gas-preprocessor.pl version are you using? I
came accross a similar issue that affected only
mp* audio on iOS and I found a solution by using
this preprocessor:
Please only use the official gas-preprocessor script
from
Lars Hammarstrand lars.hammarstrand@... writes:
The ffmpeg implementation seems to supports DXVA2
hw-accl codec for H.264/MPEG-4 MPEG-2 (i.e Hi10P)
but I only get CPU decoded and swscale converted
working properly.
Since this is not clear (for me, I am not a native
speaker) from your
Hendrik Leppkes h.leppkes@... writes:
There was a bug a short while back which required
you to pass --enable-dxva2 to configure because the
auto-detection was faulty, but this was fixed in HEAD,
and hopefully backported to 1.2 (not sure on this part).
This would have needed some advanced
Hendrik Leppkes h.leppkes@... writes:
http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=2e2ec66
This cannot be a fix for the mentioned problem, Lars
explained that he also tested git head.
Carl Eugen
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Pradeep Karosiya praks411@... writes:
Bit Rate = 128000 (set by me not sure what to take)
Did you test with a higher value?
Also with a significantly higher value?
Did you test with ffmpeg (the application)?
Carl Eugen
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Neil Menne nhmenne42@... writes:
Would anyone here happen to know the AV_PIX_FMT_*
equivalent to the OpenCV pixel format bgr8 which is
explained as being CV_8UC3?
Probably if you can explain how OpenCV pixel format bgr8
is defined.
Carl Eugen
Alex 3.14pi@... writes:
Hi, I develop decoder that use NVidia CUDA thechnology.
And I have problems, for decode frame on CUDA I need
fill and parse same struc first to CUDA decoder.
But I don't understend where and how I can get params
for my struc.
Did you already look into
Talha muhammad.talha22@... writes:
Anybody who wants to help please take a step forward
because i have not really got any support on ffmpeg
during couple of weeks now.
Where did you ask for support?
When reporting build problems, please post the configure line
you were using (./configure
Gustav González xtingray@... writes:
my question is this: is there any encoder example using
libavformat based onthe latest version of FFmpeg?
Which (other) files in doc/examples did you study?
Carl Eugen
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Brad O'Hearne brado@... writes:
This codec is not to be used for production,
as it will not continue to be developed or supported.
Neither is true as far as I can tell.
(Again, I am not a native speaker, so I may
misunderstand you sentence, but the aac encoder
is neither less nor more
Claudio Freire klaussfreire@... writes:
Indeed this symptom seems to happen only with 2 channels.
Is there any possibility of improvement here?
Patch definitely welcome!
Carl Eugen
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Claudio Freire klaussfreire@... writes:
Surely I could and would like to give it a try,
I've written an AC3 encoder way back so there
should be no surprises.
That sounds incredibly promising!
However, I do have my plate overly full.
Any docs to read about its current limitations
and
Dayana dribas@... writes:
Im trying to make a shared library and for that I
have to get libavs compiled with -fPIC ... I was
trying to do it by setting --enable-pic in the
configure file, however Im still have the same error:
/usr/local/lib/libavcodec.a(lpc_mmx.o)
You are (still)
Claudio Freire klaussfreire@... writes:
I don't have access to AAC standards
These are not the final standards, but should help:
ftp://ftp.tnt.uni-hannover.de/pub/MPEG/audio/mpeg4/documents/
Carl Eugen
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Ratin ratin3@... writes:
./configure --extra-cflags=-fPIC
This is not a good idea since an equivalent
option exists (that may set additional settings).
Carl Eugen
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Gustav González xtingray@... writes:
ERROR: gif only handles the rgb24 pixel format.
Originally, there was a gif muxer that only accepted
rgb24 rawvideo as input.
In current git head, you will find a gif encoder (an
encoder instead of a muxer) that can be used by the
image2 muxer (the same
Andrey Utkin andrey.krieger.utkin at gmail.com writes:
But i am also interested, is there any libraries rich
for such and similar functionality, which are
pluggable to libavfilter?
Some external libraries are supported, please see the
fine documentation.
(Adding more is probably welcome,
cyril apan cyrilapan@... writes:
http://www.filmform.com/logo/Filmform_gray-on-blank.tif
stream-codec-pix_fmt == AV_PIX_FMT_RGB24 instead of
being AV_PIX_FMT_RGBA.
Looks like RGB24 to me, why do you think there is
transparency information?
The other sample is an unsupported format, feel
Carl Eugen Hoyos cehoyos@... writes:
The other sample is an unsupported format, feel free
to open an enhancement request on trac.
The second sample uses separated channels iiuc,
this is very unlikely to get supported (easily).
Carl Eugen
cyril apan cyrilapan@... writes:
cyril apan cyrilapan at ... writes:
http://www.filmform.com/logo/Filmform_gray-on-blank.tif
stream-codec-pix_fmt == AV_PIX_FMT_RGB24 instead of
being AV_PIX_FMT_RGBA.Looks like RGB24 to me, why do you
think there is transparency information?
Open it with
Mert Gedik gedikmert89@... writes:
(ffplay tries to connect/get data for 15-20 seconds then
it timeouts with below log.)
$ ./ffplay http://88.53.197.250/axis-cgi/mjpg/video.cgi?resolution=320x240
mjpeg cannot be autodetected (yet), you have to force the format:
$ ffplay -f mjpeg
Alex Cohn alexcohn@... writes:
I have a file exported from Wireshark for an
audio RTP stream with an AMR codec. I cannot
read it with
ffmpeg -fmt amr -acodec amr-wb
Please provide a sample (and please send a
patch to ffmpeg-devel).
Carl Eugen
Bjoern Drabeck bjoern.drabeck@... writes:
Did you test the -probesize and -analyzeduration options?
Thanks for your reply, I briefly experimented with the
-probesize option, it seems to default to 500, and I
brought it down to 10, without any noticeable effect
What happens if
Gonzalo Garramuno ggarra13@... writes:
I saw this codeccontext variable ctx-request_sample_fmt
and I want to set it to AV_SAMPLE_FMT_S16.
Setting request_sample_fmt does in no way guarantee
that you get what you want.
If you think the documentation is unclear, please
consider improving it
Bjoern Drabeck bjoern.drabeck@... writes:
Is there a suggested range of values
The suggested range of values for probesize and
analyzeduration is 32 to 2147483647.
(32 does not always work.)
for probing online files?
I don't think there are suggested values for online
files, but if you
Will Price wprice@... writes:
The gas linked below
[...]
Allow me to repeat:
The only supported version of gas-preprocessor.pl is the
one mentioned on http://ffmpeg.org/platform.html
You are on your own with any other version.
If you have a compilation problem, please provide the
following
YIRAN LI mrfun.china@... writes:
But when I'm using Ffmpeg interface in my application,
how can I specify the codecs I want to use?
Did you look at avcodec_find_encoder_by_name()?
Carl Eugen
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Kalileo kalileo@... writes:
This is also what I noticed, when playing with
probesize and analyzeduration trying to get the
player to start more quickly (using mpegts
(h264/aac) streams served through a memory buffer).
Since I did not really understand the paragraph I cut:
Do you mean that
Steffen Steffen.Roeber@... writes:
i'm using FFmpeg 1.2 from March 15, 2013.
If you are not a distributor, please always use
current git head.
Carl Eugen
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Joe Flowers joe.flowers@... writes:
I need to use the libav* APIs (specifically the audio
codecs) in a thread-safe way, but they seem to be full
of malloc()s and free()s which aren't re-entrant.
My malloc manual says that it uses mutexes internally to
protect the memory-management data
Will Price wprice@... writes:
On Fri, May 10, 2013 at 11:46 PM, Carl Eugen Hoyos writes:
If you have a compilation problem, please provide the
following information:
Your configure line, (your FFmpeg version,) if (and only
if) compilation fails completely: Run make several times,
always
Gonzalo Garramuño ggarra13@... writes:
I am getting a strange behavior in the latest zeranoe
builds of ffmpeg when I link them to my program.
I believe there is a forum dedicated to such
questions.
Carl Eugen
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Robert Krüger krueger@... writes:
On Mon, May 20, 2013 at 12:11 PM, Carl Eugen Hoyos wrote:
Pradeep Karosiya praks411 at ... writes:
Also I came to know not all codec support
variable frame rate.
(?, that sounds unlikely.)
FFmpeg's mov muxer does not support vfr.
Do you know
Gonzalo Garramuño ggarra13@... writes:
as I found an incompatability with the zeranoe
builds (or so it seems).
Could you be a little more specific?
Carl Eugen
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Rothkin, Steve (NY81 Steve.Rothkin@... writes:
However, when I get more threads running (e.g. 5
videos being processed in parallel and JPEG frames
being streamed to a viewer) I'm getting intermittent
crashes in the DLLs.
Please either provide gdb information as explained on
Steffen Steffen.Roeber@... writes:
ffmpeg.exe -i d:\videos\simpsons_trailer05-de_xhigh.mov
-vcodec rawvideo d:\temp\test2.yuv
Complete, uncut console output missing.
ffplay d:\temp\test2.yuv
[IMGUTILS at 04baf794] Picture size 0x0 is invalid
[rawvideo at 040719c0] Could not find
Christophe Nelson cnelson@... writes:
I am wondering if some of the developers of ffmpeg
have any intention to implement HEVC in ffmpeg ?
Yes.
If you are interested in contributing, please setup your
own git clone and join #ffmpeg-devel on freenode.
Carl Eugen
hamidi hamidi@... writes:
i also tried make install on source of ffmpeg (libav)
Please understand that libav contains several
hundred known, user-reported bugs that are not
reproducible with FFmpeg, some of them security-
relevant, and we therefore cannot support it.
what may be the reason
Christophe Nelson cnelson@... writes:
ffmpeg.exe -i InputFile -c:v libx264 -preset slow
-crf 20 -c:a copy OutputFile.avi
Complete, uncut console output missing.
For future questions: Please avoid highjacking threads.
And please avoid top-posting here, Carl Eugen
prathap prathap.malempati@... writes:
My android.mk file is
The only thing needed (and the only thing
supported here) is your configure line.
Carl Eugen
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Gonzalo Garramuno ggarra13@... writes:
I am wondering what's the difference between the
two formats (Dolby 5.1) vs (Dolby 5.1 (side)).
I am not sure I understand what you mean with
Dolby 5.1 (is that something that FFmpeg prints?)
but the difference between 5.1 and 5.1 (side)
is the
Matheus Henrique Klem Galvez mhkgalvez@... writes:
The aim is simple: to read uncompressed .avi videos
with ffmpeg and send frames to OpenCV format in order
that OpenCV might be able to process these frames.
(Unrelated to your problem:)
You do know that this is possible with ffmpeg
(the
Alexander Wischnewski aw.wisch@... writes:
ffmpeg -v 9 -loglevel 99 -report -i
http://192.168.1.166:86/livestream/12?action=playmedia=video;
output.mp4
I you succeed in saving the incoming stream to a file
(and if the problem is also reproducible with that
file), please upload a sample.
Alexander Wischnewski aw.wisch@... writes:
thanks for the fast reply. It is reproducible, i
dumped the stream to a .avi file
How did you produce the avi file?
Carl Eugen
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Matheus Henrique Klem Galvez mhkgalvez@... writes:
On Tue, Jun 4, 2013 at 11:51 AM, Carl Eugen Hoyos wrote:
Matheus Henrique Klem Galvez mhkgalvez at ... writes:
The aim is simple: to read uncompressed .avi videos
with ffmpeg and send frames to OpenCV format in order
that OpenCV might
Pradeep Karosiya praks411@... writes:
ffmpeg -i rtsp:://input_video_link outputfile.3gp.
Console log:
Unfortunately not =-(
I don't find it completely unlikely that FFmpeg simply
fails to save streams coming from unreliable network
source (FFmpeg by default refuses to write invalid
Alexander Wischnewski aw.wisch@... writes:
The file h264_ip_cam_input.working of the first
camera gets decoded well with the command:
Do I understand correctly that one camera produces
a stream that FFmpeg can decode but another one
produces a stream that cannot be decoded?
Or do I
Alexander Wischnewski aw.wisch@... writes:
The file h264_ip_cam_input.nworking produces the
errors as posted before.
This does not look like a valid h264 file (afaict),
at least the reference decoder refuses to decode it.
Carl Eugen
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Matheus Henrique Klem Galvez mhkgalvez@... writes:
How do I do this?
Please read the fine documentation:
http://ffmpeg.org/ffmpeg-all.html#ocv
Please stop top-posting, it is considered rude here!
Carl Eugen
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Libav-user mailing list
Hendrik Schreiber hs@... writes:
But, when writing the result to a file, I want to use
AV_CODEC_ID_PCM_S24LE, i.e. the least significant
byte is cut off.
AV_CODEC_ID_PCM_S24LE encoder only accepts
AV_SAMPLE_FMT_S32 as input.
Carl Eugen
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Dragos Iordache dragoshiordache@... writes:
The stream is not showing and the recorded video does not
allow seeking, it just freezes and cannot be played.
Can you reproduce the problem with ffmpeg (the application)?
Carl Eugen
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Libav-user
Mark Kenna mark.kenna@... writes:
When using the JPEG decoder (CODEC_ID_MJPEG) sometimes
I find that decoded frames are inverted/upside
down/back to front.
Is this reproducible with ffmpeg?
If yes, a sample may be nice.
Carl Eugen
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Libav-user
Dragos Iordache dragoshiordache@... writes:
On Thu, Jun 13, 2013 at 5:36 PM, Carl Eugen Hoyos wrote:
Dragos Iordache dragoshiordache at ... writes:
The stream is not showing and the recorded video does not
allow seeking, it just freezes and cannot be played.
Can you reproduce
Dragos Iordache dragoshiordache@... writes:
If my output is a file (test.h264) then everything
works ok.
Does that mean if you feed test.h264 into ffmpeg to
produce the rtmp stream that you need (is that correct?),
it works fine, but if you call your application that
uses the libav*
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