LOG_ONCE          231 libavcodec/h264_mp4toannexb_bsf.c                         LOG_ONCE(ctx, AV_LOG_WARNING, "SPS not present in the stream, nor in AVCC, stream may be unreadable\n");
LOG_ONCE          254 libavcodec/h264_mp4toannexb_bsf.c                     LOG_ONCE(ctx, AV_LOG_WARNING, "PPS not present in the stream, nor in AVCC, stream may be unreadable\n");