Re: [Libav-user] Help : Preserve meta data

or email libav-user-requ...@ffmpeg.org with subject "unsubscribe". Cheers, -- Philippe Gorley Free Software Consultant | Montréal, Qc Savoir-faire Linux ___ Libav-user mailing list Libav-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/l

Re: [Libav-user] Determine if input protocol is RTSP or file

v-user mailing list Libav-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/libav-user To unsubscribe, visit link above, or email libav-user-requ...@ffmpeg.org with subject "unsubscribe". Cheers, -- Philippe Gorley Free Software Cons

Re: [Libav-user] How to seek to a given frame?

<mailto:libav-user-requ...@ffmpeg.org> with subject "unsubscribe". --- http://www.kitfox.com ___ Libav-user mailing list Libav-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/libav-user To unsubscribe, visit link above, or email libav-

Re: [Libav-user] How to choose correct decoder for hw-accelerated decoding?

user-requ...@ffmpeg.org with subject "unsubscribe". -- Philippe Gorley Free Software Consultant | Montréal, Qc Savoir-faire Linux ___ Libav-user mailing list Libav-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/libav-user To unsubscrib

Re: [Libav-user] list all available formats of webcam

nput with options shuts down the querying capabilities of the input, I don't really know, it's just a guess. Regards. ___ Libav-user mailing list Libav-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/libav-user To unsubscribe, vi

Re: [Libav-user] Cleaning AVFrame properly

av-user-requ...@ffmpeg.org with subject "unsubscribe". Cheers, -- Philippe Gorley Free Software Consultant | Montréal, Qc Savoir-faire Linux ___ Libav-user mailing list Libav-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/libav-user To uns

Re: [Libav-user] blackdetect using libavfilter C API

__ Libav-user mailing list Libav-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/libav-user To unsubscribe, visit link above, or email libav-user-requ...@ffmpeg.org with subject "unsubscribe". You want to get lavfi.black_end and lavfi.bla

Re: [Libav-user] blackdetect using libavfilter C API

___ Libav-user mailing list Libav-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/libav-user To unsubscribe, visit link above, or email libav-user-requ...@ffmpeg.org with subject "unsubscribe". -- Philippe Gorley Free Software Consultant | Montréal, Qc Savoir-faire Linux ___

Re: [Libav-user] Converting AV_PIX_FMT_CUDA image (AVFrame) to AV_PIX_FMT_BGRA image

nsubscribe". -- Philippe Gorley Free Software Consultant | Montréal, Qc Savoir-faire Linux ___ Libav-user mailing list Libav-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/libav-user To unsubscribe, visit link above, or email libav-user-requ...@ffmpeg.o

Re: [Libav-user] Getting resulting width and height from scale filter

ffersink_get_h can be used by passing in buffersink_ctx. ___ Libav-user mailing list Libav-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/libav-user To unsubscribe, visit link above, or email libav-user-requ...@ffmpeg.org with subject "

Re: [Libav-user] Overlay filter has incorrect frame rate

On 2018-07-27 11:24 AM, Brian C. Wiles wrote: On 07/27/2018 10:10 AM, Philippe Gorley wrote: Overlay takes frames from each input in timestamp order. It likely overlays two frames when they have matching timestamps. So the fps and setpts filters are necessary if the 2 inputs have different

Re: [Libav-user] Overlay filter has incorrect frame rate

. -Brian ___ Libav-user mailing list Libav-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/libav-user Cheers, -- Philippe Gorley Free Software Consultant | Montréal, Qc Savoir-faire Linux ___ Libav-user mailing list Libav-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/libav-user

[Libav-user] av_buffersink_get_frame_flags always returns EAGAIN

;m doing wrong is greatly appreciated. Thanks, -- Philippe Gorley Free Software Consultant | Montréal, Qc Savoir-faire Linux ___ Libav-user mailing list Libav-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/libav-user

Re: [Libav-user] Scale filter converting to grayscale

On 2018-04-30 03:44 PM, Carl Eugen Hoyos wrote: 2018-04-30 21:10 GMT+02:00, Philippe Gorley : It segfaults when writing the frame. I'm expecting a yuv420p frame But you are asking the filter chain to output gray. enum AVPixelFormat pix_fmts[] = { AV_PIX_FMT_GRAY8, AV_PIX_FMT_NONE };

[Libav-user] Scale filter converting to grayscale

e=0x604040, frame_number=0x0) at video_filter.c:52 #4 0x00401a4f in main (argc=0x1, argv=0x7fffda48) at video_filter.c:203 Any tips on what I'm doing wrong and why libavfilter is converting my frame to AV_PIX_FMT_GRAY8? Cheers, -- Philippe Gorley Free Software Consulta

Re: [Libav-user] New api and deprecation warning

assign it to the stream? Looks like newer API has some design gaps > Thanks. ___ Libav-user mailing list Libav-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/libav-user -- Philippe Gorley Free Software Consultant | Montréal, Qc Savoir-faire Linux Confidentiality Message: This communication (incl

Re: [Libav-user] Video conversion issue

n error, please notify the sender immediately and delete all copies of this message. ___ Libav-user mailing list Libav-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/libav-user -- Philippe Gorley Free Software Consultant | Montréal, Qc Sav

Re: [Libav-user] PRORES decoding using AVCODEC and ffmpeg 3.3.3

and without --enable-version3 in the configure but nothing changes. Anyone experienced decoding of PRORES frame ? Regards Are you registering the codec? IE: are you calling av_register_all() before using libav* code? -- Philippe Gorley Free Software Consultant | Montréal, Qc Savoir-faire

Re: [Libav-user] avcodec_copy_context deprecation

in doc/examples/transcoding.c ___ Libav-user mailing list Libav-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/libav-user Cheers, -- Philippe Gorley Free Software Consultant | Montréal, Qc Savoir-faire Linux Confidentiality Message: Thi

Re: [Libav-user] Extracting samples from audio file

On 2017-08-15 04:40 PM, Paul B Mahol wrote: On 8/15/17, Philippe Gorley wrote: On 2017-08-10 01:17 PM, salsaman wrote: Correct, you would first create the swr_context then use it to convert the data. ___ Libav-user mailing list Libav-user

Re: [Libav-user] Extracting samples from audio file

uct with the sample rate and number of channels. Can anyone look at this and tell me what I'm doing wrong? Thanks, -- Philippe Gorley Free Software Consultant | Montréal, Qc Savoir-faire Linux Confidentiality Message: This communication (including any files transmitted with it) is intended so

Re: [Libav-user] How to use hardware acceleration?

andalone codecs from what I've seen. ___ Libav-user mailing list Libav-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/libav-user Cheers, -- Philippe Gorley Free Software Consultant | Montréal, Qc Savoir-faire Linux Confidentiality Message: This commun

Re: [Libav-user] Extracting samples from audio file

om https://www.openhub.net/accounts/salsaman ___ Libav-user mailing list Libav-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/libav-user Cheers, -- Philippe Gorley Free Software Consultant | Montréal, Qc Savoir-faire Linux Confidentiality Message: This commu

[Libav-user] Extracting samples from audio file

Hi, I need to read an audio file into an array of samples and then deinterleave/resample it. Right now, I'm decoding the file using the avcodec_send_packet/avcodec_receive_frame API. But how do I get the samples from an AVFrame into an int16_t? Cheers, -- Philippe Gorley Free Sof

[Libav-user] When to call av_packet_unref

Hi all, Quick question: is a call to av_packet_unref necessary before returning from my decoding function, on success as well as error? This function is also the one that calls av_packet_init. Thanks, -- Philippe Gorley Consultant en logiciel libre | Montréal, Qc Savoir-faire Linux Message

[Libav-user] Two streams from same webcam

different resolutions and codecs, from the same webcam? Thanks, -- Philippe Gorley Consultant en logiciel libre | Montréal, Qc Savoir-faire Linux Message de confidentialité : Ce courriel (de même que les fichiers joints) est strictement réservé à l'usage de la personne ou de l'entité à q

Re: [Libav-user] avformat_find_stream_info times out on rtp stream

Hello again, I was away for a few days, sorry for the delay in answering. Here is the output of ffmpeg: http://pastebin.com/xk3Tp70Q Philippe ___ Libav-user mailing list Libav-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/libav-user

Re: [Libav-user] avformat_find_stream_info times out on rtp stream

>2016-09-16 20:08 GMT+02:00 Philippe Gorley: >>> > I've compiled FFmpeg with the following configuration: >>> > ./configure --prefix=/usr/local --disable-everything >>> > --disable-programs --enable-protocols >>> > --enable-demuxers --enabl

Re: [Libav-user] avformat_find_stream_info times out on rtp stream

> 2016-09-16 18:16 GMT+02:00 Philippe Gorley > : > > I'm looking to upgrade my application (I'm currently using FFmpeg from the > > Ubuntu 16.04 repo) > > to a more recent release of FFmpeg, such as 3.1.3. Everything went well, > > except that > >

[Libav-user] avformat_find_stream_info times out on rtp stream

Hi, I'm looking to upgrade my application (I'm currently using FFmpeg from the Ubuntu 16.04 repo) to a more recent release of FFmpeg, such as 3.1.3. Everything went well, except that avformat_find_stream_info now times out on my RTP stream, although it does eventually return the info. I've trie

[Libav-user] Hardware acceleration for encoding/decoding

Hi, I'm looking to add hardware acceleration to Ring (ring.cx). It uses several codecs for audio (opus, speex, pcm_alaw, pcm_mulaw, g.722) and video (h.264, vp8, mpeg4, h.263). Ring supports Windows, Mac OSX, Android and GNU/Linux. From what I've read online (mainly the archives and https://tr