Hi all, I try to get a live view of an IP camera on an embedded platform. For this purpose I want to use avconv to receive via RTSP. Receiving the stream an write to a temp mp4- file works fine. avconv -i rtsp://root:[email protected]:554/axis-media/media.amp -an -f mp4 -vcodec copy -y /var/tmp/iptest.mp4
But I want to extract h264 frames to feed a video decoder on the fly. If I use the following command line, I get "h264_mp4toannexb failed for stream 0, codec copy: Invalid argument" Is any patch available for this ? avconv -i rtsp://root:[email protected]:554/axis-media/media.amp -an -vcodec copy -bsf h264_mp4toannexb -y -t 120 /var/tmp/iptest.h264 & avconv version 0.8.3, Copyright (c) 2000-2012 the Libav developers built on Jan 4 2013 13:43:11 with gcc 4.3.3 PHY: 0:02 - Link is Up - 100/Full Jan 4 16:55:26 192 user.info kernel: PHY: 0:02 - Link is Up - 100/Full [rtsp @ 0xd74a80] Estimating duration from bitrate, this may be inaccurate Input #0, rtsp, from 'rtsp://root:[email protected]:554/axis-media/media.amp': Metadata: title : Media Presentation Duration: N/A, start: 0.039989, bitrate: N/A Stream #0.0: Video: h264 (Baseline), yuvj420p, 800x600 [PAR 1:1 DAR 4:3], 25 tbr, 90k tbn, 180k tbc Output #0, h264, to '/var/tmp/iptest.h264': Metadata: title : Media Presentation encoder : Lavf53.21.0 Stream #0.0: Video: libx264, yuvj420p, 800x600 [PAR 1:1 DAR 4:3], q=2-31, 90k tbn, 90k tbc Stream mapping: Stream #0:0 -> #0:0 (copy) Press ctrl-c to stop encoding h264_mp4toannexb failed for stream 0, codec copy: Invalid argument Here is my configuration ./configure --cross-prefix=${CROSS} --enable-cross-compile --target-os=linux --arch=arm --cpu=cortex-a8 --disable-doc --disable-debug --disable-avserver --disable-altivec --disable-sse --disable-armv6 --disable-armv6t2 --disable-mmx --disable-mmx2 --disable-neon --disable-amd3dnow --enable-gpl --enable-version3 --extra-cflags=-I$(pwd)/x264/include --extra-ldflags=-L$(pwd)/x264/lib --enable-libx264 Best regards Holger
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