Re: [Libav-user] Extracting I-Frame intra-prediction modes

2012-06-28 Thread Rouhi Amirhossein2
Unfortunately -debug does not serve my purpose . i need intra-predictions and i should add some lins in ffmpeg coding like fprint () function to save them in a text file. On 26 June 2012 20:51, Alex Cohn wrote: > On Tue, Jun 26, 2012 at 12:21 PM, Rouhi Amirhossein2 > wrote: > > Hi Misha > > Tha

Re: [Libav-user] Frame number

2012-06-28 Thread Hector Alonso
Hi, you have to use the decoding or presentation timestamp and calculate it from the frame rate (time base of the stream). On Thu, Jun 28, 2012 at 10:09 AM, Jonas Elofsson wrote: > Hi, > > Resending this, it seems my first post never got through... > > I'm taking the first, trembling steps to us

Re: [Libav-user] Segfault on corrupted video

2012-06-28 Thread Tim Pitman
I'm not sure exactly what you mean, but yes as near as I can tell it only freezes after packet loss. It was hard to tell when it was freezing because there wasn't a lot of motion in the video but I'm going to play with it some more today and try to identify more solid patterns. On Wed, Jun 27, 201

[Libav-user] Encoding FLAC - no duration

2012-06-28 Thread GOO Creations
Hi, I'm using the AVCodec API as a basis for encoding audio. I managed to successfully create a WAV file. When I encode a FLAC file the encoding succeeds, but when I open the file, the sound plays, but no media player can detect the length of the FLAC file. When I use the ffmpeg command line

[Libav-user] av_read_frame blocking

2012-06-28 Thread Mark Kenna
Hi All I am trying to implement a way of cancelling the call to av_read_frame(..) which seems to block indefinitely. I have added the interrupt callback to the formatcontext but this callback only gets fired on the call to avformat_open_input(..) not the call to av_read_frame(...). I have als

Re: [Libav-user] Frame number

2012-06-28 Thread Nicolas George
Le primidi 11 messidor, an CCXX, Jonas Elofsson a écrit : > But, what I cannot find is a way to see what frame (displayed framenumber) > I just decoded. Coded framenumber I can see, but they are (of course) not > useable directly, and also are not available for all formats. Displayed > framenumber

[Libav-user] Frame number

2012-06-28 Thread Jonas Elofsson
Hi, Resending this, it seems my first post never got through... I'm taking the first, trembling steps to use FFMpeg in Qt, primary for a video editing SW. So far it is working good, I can decode frames to a QImage in Qt and display them on a label. Even video playback works good on a QLabel up to