ffmpeg-libav-tutorial

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Swap from DTS order to PTS order

4

Hi, Thanks for your clear and deep explanations, I finnaly understood a lot of dark items in ffmeg !! Still I have a silly question from the _hello world_ example:...

wpregliasco

Cannot compile, using ffmpeg from sources

6

Hello, I'm using Ubuntu 18.04, did a clean install in a virtual machine. I downloaded libvpx from sources, compiled and installed without any problems. Then I downloaded ffmpeg source (from...

xultz

NVIDIA GPU acceleration version required !

1

this project is GREAT ! wish there is tutorial about FFmpeg with NVIDIA GPU acceleration !

bluebeach

how to call atadenoise function in ffmpeg

2

how to use atadenoise with source code by transplanting it to a video engine. Is there any example to call function "ff_atadenoise_init_x86" in "FFmpeg/libavfilter/atadenoise.h"

xsy123xsy

Encode video frame by frame

3

HI, Can I encode a video frame by frame rather than whole video? How can I do that? Thanks!

devildonkey1392

My app using libav is playing less than the total duration of a clip

1

Playing 12 sec of video using libav in my application only plays the starting 8 sec of video and then it is not showing furxther. what can i do in...

hettpatel

segmentation fault when use transcoding code

1

the detail error is below: `Starting program: /home/projectDEMO/ffmpeg/ffmpeglib/doc/examples/./transcoding_3 [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". Program received signal SIGSEGV, Segmentation fault. 0x0000000000eb9388 in av_strstart (str=0x0, pfx=pfx@entry=0xf77548 "rtp:",...

AnminSZ

Live streaming to Web Browser or Qt desktop app (Widget or QML)

1

First thing. Thank you for your awsome work. My purpose is to study various streaming techniques, band witch usage, recovery over poor connections, cpu utilization etc. I have ROS.org project...

mrspirytus

Simple question

5

Hi! I am new to Github actually and decided to follow along with your tutorial. I apologize if this is not the correct place to ask a simple question. I...

snoopyt98

how to pass the input parameter mpegts_service_id

9

I need to read the input from a tuner card specific program id. In ffmpeg, the input option passed is: -mpegts_service_id How would I set this in the 3_transcoding.c sample?

vandanachadha