Hi all
I am building a live cam which streams h264 over (Flash) RTMP to the
browser. The RTMP part is set up and I can stream h264 from mp4 files to
a browser. I also can capture from a connected USB cam and encode the
stream to h264 (libx264).
The problem is, the frames returned from avcodec_encode_video() look
different than the frames in the MP4 file.
To record a mp4 file:
ffmpeg -s qvga -r 25 -f video4linux2 -i /dev/video0 -vcodec libx264
filename.mp4
Pseudocode for the h264 encoding:
setup in stream
setup out codec
while(av_read_frame(in, frame)) {
encode(frame, pic)
swscale(pic)
encode(pic, buffer)
// What shall I do with the buffer?
sendToRtmp(buffer)
}
What I need to known, after a frame is encoded into h264, are there any
post-decoding before it is written to the mp4-file? I try to analyze the
code, but I couldn't find it.
Many thanks and kind regards
Beat
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