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ffmpeg forgets to set AVFormatParameters::pix_fmt when capturing from a
v4l card. In other words, if you type ffmpeg -pix_fmt yuv422 -s 352x288 test.avi the "-pix_fmt yuv422" option will have no effect. Patch by Luca Abeni *** lucabe72 !a! email ! it *** Originally committed as revision 4899 to svn://svn.ffmpeg.org/ffmpeg/trunk
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ffmpeg.c
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ffmpeg.c
@ -3581,6 +3581,7 @@ static void prepare_grab(void)
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vp->device = video_device;
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vp->channel = video_channel;
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vp->standard = video_standard;
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vp->pix_fmt = frame_pix_fmt;
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if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) {
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fprintf(stderr, "Could not find video grab device\n");
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exit(1);
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